/* 全站品牌绿：主色 #177739；浅底 #C7ECD4；渐变/悬停辅色 #1a6b32、#125a2d */
:root {
    --fm-brand: #177739;
    --fm-brand-hover: #125a2d;
    --fm-brand-mid: #1a6b32;
    --fm-brand-soft: #c7ecd4;
    --fm-brand-surface: #edf7f0;
    --fm-accent: #d4a93a;
    --fm-accent-hover: #be942d;
    --fm-text: #1f2937;
    --fm-text-soft: #4b5563;
    --fm-text-muted: #9ca3af;
    --fm-line: #e5e7eb;
    --fm-card-line: #eef1f4;
    --fm-page-bg: #f5f7fa;
    --fm-card-bg: #ffffff;
    --fm-card-radius: 4px;
    --fm-card-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    --fm-card-shadow-hover: 0 10px 26px rgba(15, 23, 42, 0.08);
    --fm-input-border: #d9e2ec;
    --fm-shell-max: 1200px;
    --fm-shell-pad: 12px;
    --fm-shell-inner: calc(var(--fm-shell-max) - (var(--fm-shell-pad) * 2));
}

html,
body {
    height: 100%;
    width: 100%;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
    background-color: var(--fm-page-bg);
    color: var(--fm-text);
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: var(--fm-text);
}

a:hover,
a:focus {
    color: var(--fm-brand-hover);
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    letter-spacing: 0;
    color: var(--fm-text);
}

p {
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 16px;
    color: var(--fm-text-soft);
}
/* 仅作用于主内容区内：不作用于顶栏 nav>.container；用后代选择器以便兼容仍嵌套 html/body 的旧版详情模板 */
main.content .container {
    width: 100%;
    max-width: var(--fm-shell-max);
    margin: 0 auto;
    padding-left: var(--fm-shell-pad);
    padding-right: var(--fm-shell-pad);
    box-sizing: border-box;
}

/* frontend.css 的 main.content{padding:15px} 在部分环境下仍会占左右 15px，与顶栏 nav>.container（仅 12px 内边距）不同步；用 !important 只清主站 layout 的 main#article_lists 左右，避免整页多出「15px+12px」视觉缝 */
body:not(.fm-user-layout) main#article_lists.content {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/*
 * layout 内主栏直接子级 .container：与顶栏 nav>.container 同一套数字，!important 压过 Bootstrap 各断点 .container{width:750/970/1170}，
 * 否则主栏版心会随断点变窄、与固定顶栏参照不一致。
 */
body:not(.fm-user-layout) main#article_lists.content > .container {
    width: 100% !important;
    max-width: var(--fm-shell-max) !important;
    padding-left: var(--fm-shell-pad) !important;
    padding-right: var(--fm-shell-pad) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box !important;
}

/* 首页/文章列表：单根 .fm-dl；去掉 Bootstrap .container clearfix 伪元素，避免与栅格叠出额外占位（仅 :has 支持时生效） */
body:not(.fm-user-layout) main#article_lists.content > .container:has(> .fm-dl)::before,
body:not(.fm-user-layout) main#article_lists.content > .container:has(> .fm-dl)::after {
    content: none !important;
    display: none !important;
}

/* 顶栏与主内容同一 max-width / 左右 padding；全宽断点统一，避免 <768 时 Bootstrap .container 左右 15px 与主栏 12px 不一致（会员中心除外） */
body:not(.fm-user-layout) nav.navbar.navbar-fixed-top > .container {
    width: 100% !important;
    max-width: var(--fm-shell-max) !important;
    padding-left: var(--fm-shell-pad) !important;
    padding-right: var(--fm-shell-pad) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box !important;
}

body:not(.fm-user-layout) > .container {
    width: 100% !important;
    max-width: var(--fm-shell-max) !important;
    padding-left: var(--fm-shell-pad) !important;
    padding-right: var(--fm-shell-pad) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box !important;
}

@media (min-width: 992px) {
    body:not(.fm-user-layout) nav.navbar.navbar-fixed-top > .container {
        max-width: var(--fm-shell-inner) !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar.navbar-fixed-top > .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .fm-navbar-site-header {
        flex: 0 0 auto;
        margin-left: 0;
        margin-right: 0;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar #header-navbar {
        flex: 1 1 auto;
        min-width: 0;
        padding-left: 0;
        padding-right: 0;
        margin-left: 0;
        margin-right: 0;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .navbar-menu {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 15px;
        min-width: 0;
        width: 100%;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .navbar-menu > .navbar-nav {
        display: flex;
        align-items: center;
        gap: 2px;
        margin: 0;
        float: none;
        min-width: 0;
        margin-left: 0;
    }
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .fm-navbar-auth-row {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-left: 0;
    }
}

.navbar-logo {
    float: left;
    width: 172px;
    height: 60px;
    display: flex;
    align-items: center;
    line-height: 1;
    box-sizing: border-box;
}
.navbar-logo-link {
    display: flex;
    align-items: center;
    height: 100%;
    line-height: 0;
}
.navbar-logo-link img {
    display: block;
    max-height: 40px;
    max-width: 150px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0;
    vertical-align: middle;
}
.header_write{float: right;line-height:60px;margin-right: 12px}
.header_write a{
    border: 1px solid var(--fm-brand);
    color: var(--fm-brand);
    border-radius: 4px;
    padding: 9px 14px;
    font-weight: 600;
    background: var(--fm-card-bg);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.02);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    line-height: 1;
}
.header_write a:hover{
    background-color: var(--fm-brand-surface);
    color: var(--fm-brand-hover);
    border-color: var(--fm-brand-hover);
}
.header_write i{margin-right: 5px;}

.header_user{float: right;line-height: 60px;margin-right:12px;}
.header_user img{margin-right: 5px;margin-top: 0;display:block}

.header_login{padding: 12px 0; font-size: 14px;color: #fff;float: right;font-weight: 600}
.header_button{
    float: left;
    height: 38px;
    background-color: var(--fm-brand);
    line-height: 38px;
    padding: 0 14px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(23, 119, 57, 0.18);
}
.header_button:hover{background-color: var(--fm-brand-hover);}
.user_logo img{width: 35px;height: 35px; border-radius:20px;margin-right:5px; }
.header_button a{font-size: 14px;color: #fff ;}
.header_button a:hover,
.header_button a:focus{font-weight: 600;color: #fff !important;}
.menu_on a{color: var(--fm-brand) !important;font-weight: 600}
.header_button span{margin:  0 3px;}

.header_search{float: right;margin-right:10px !important;padding-top: 12px;padding-bottom: 12px;}
.header_search form{
    display: flex;
    align-items: center;
    position: relative;
}
.header_search input,
.header_search .header_search_input{
    height: 38px;
    width: 280px;
    background-color: var(--fm-card-bg);
    border: 1px solid var(--fm-input-border);
    color: var(--fm-text);
    border-radius: 4px;
    padding-left: 12px;
    float: none;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.02);
}
.header_search input::placeholder,
.header_search .header_search_input::placeholder{color: #999;opacity: 1;}
.header_search input::-webkit-input-placeholder,
.header_search .header_search_input::-webkit-input-placeholder{color: #999;}
.header_search input::-moz-placeholder,
.header_search .header_search_input::-moz-placeholder{color: #999;opacity: 1;}
.header_search input:-ms-input-placeholder,
.header_search .header_search_input:-ms-input-placeholder{color: #999;}
.header_search input:focus,
.header_search .header_search_input:focus{
    border-color: var(--fm-brand);
    box-shadow: 0 0 0 3px rgba(23, 119, 57, 0.08);
    outline: none;
}
.header_search button{
    height: 38px;
    border: none;
    background-color: transparent;
    margin-left: -38px;
    color: var(--fm-brand);
    font-size:16px;
    float: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px 0 0;
}
.header_search i{margin-right: 0px;}

#mainbody {
    position: relative;
    width: 100%;
    min-height: auto;
    overflow-y: hidden;
    background: #f1f6fd;
    color: #474157;
    height: calc(100vh - 61px);
}

#mainbody > .container > .text-center {
    text-align: center;
    padding: 350px 0 50px;
    position: relative;
    height: 100vh;
}

#mainbody > .container > .text-center h1 {
    font-size: 50px;
    font-weight: bold;
    color: #171347
}

#mainbody > .container > .text-center > a {
    background: #177739;
    background: -webkit-linear-gradient(#1a6b32, #177739);
    background: linear-gradient(to bottom, #1a6b32, #177739);
    color: #fff !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 4px;
    margin-top: 20px;
    padding: 10px 45px;
    font-size: 14px;
    text-decoration: none;
    border: none;
}
#mainbody > .container > .text-center > a:hover,
#mainbody > .container > .text-center > a:focus {
    background: linear-gradient(to bottom, #209648, #177739);
    color: #fff !important;
}

@media (max-height: 500px) {
    #mainbody {
        height: inherit;
    }
}

/* 勿写全局 .navbar-default：会盖掉主站顶栏底色；仅 landing #mainbody 需要透明顶栏时再单独写 */
@media (min-width: 768px) {
    #mainbody .index-text {
        text-align: left;
    }
}

@media (max-width: 767px) {

    #mainbody > .container > .text-center {


        padding: 130px 0 0 0;
        height: calc(100vh - 261px);
    }

    #mainbody > .container > .text-center > h1 {


        font-size: 50px;
        margin-bottom: 20px;
    }
}
.clear{clear: both;height: 0 !important;width: 0 !important;border: none !important;}
.go_top{
    position: fixed;
    right: 20px;
    bottom:10%;
    display: none;
    background-color: var(--fm-brand);
    font-size:16px;
    color: #fff;
    width: 46px;
    text-align: center;
    height: 46px;
    line-height:42px;
    border-radius: 4px;
    box-shadow: 0 10px 24px rgba(23, 119, 57, 0.24);
}

.index_article{padding-bottom: 15px;}

body:not(.fm-user-layout) nav.navbar.navbar-default.navbar-white.navbar-fixed-top {
    min-height: 60px;
    border-bottom: 1px solid rgba(229, 231, 235, 0.96);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

body:not(.fm-user-layout) nav.navbar .header_login {
    color: var(--fm-text);
    padding: 0;
    float: none;
}

body:not(.fm-user-layout) nav.navbar .user_logo {
    color: var(--fm-text) !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

body:not(.fm-user-layout) nav.navbar .header_user a {
    color: var(--fm-text-soft);
    font-weight: 500;
}

body:not(.fm-user-layout) nav.navbar .header_user a:hover {
    color: var(--fm-brand);
}

body:not(.fm-user-layout) #header-navbar .navbar-nav > li > a {
    height: 60px;
    padding: 0 14px;
    display: flex;
    align-items: center;
    color: var(--fm-text-soft);
    font-size: 14px;
    font-weight: 500;
}

body:not(.fm-user-layout) #header-navbar .navbar-nav > li > a:hover,
body:not(.fm-user-layout) #header-navbar .navbar-nav > li > a:focus {
    color: var(--fm-brand);
}

body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_user {
    float: none;
    margin-right: 0;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_user img {
    margin-right: 0;
    margin-top: 0;
}

body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_write {
    float: none;
    margin-right: 16px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
}

body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_search {
    float: none;
    margin-left: auto !important;
    margin-right: 16px !important;
    padding-top: 0;
    padding-bottom: 0;
}

body.fm-site-shell:not(.fm-user-layout) main#article_lists.content {
    padding-top: 18px !important;
    padding-bottom: 24px;
}

body.fm-site-shell:not(.fm-user-layout) main#article_lists.content > .container {
    position: relative;
}

@media (max-width: 767px) {
    body.fm-site-shell:not(.fm-user-layout) #header-navbar {
        padding-left: 0;
        padding-right: 0;
    }

    body.fm-site-shell:not(.fm-user-layout) #header-navbar.collapsing {
        height: auto !important;
        overflow: visible !important;
        transition: none !important;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .navbar-menu {
        display: block;
        padding: 8px 0 0;
    }

    body.fm-site-shell:not(.fm-user-layout) #header-navbar .navbar-nav {
        margin: 0;
    }

    body.fm-site-shell:not(.fm-user-layout) #header-navbar .navbar-nav > li > a {
        height: auto;
        min-height: 0;
        padding: 12px 19px;
        line-height: 1.4;
        display: block;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_search,
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_write,
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .fm-navbar-auth-row {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 19px;
        padding-right: 19px;
        box-sizing: border-box;
        width: 100%;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_search {
        margin-bottom: 8px;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_search form {
        width: 100%;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_search .header_search_input {
        width: 100%;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_write {
        display: inline-flex;
        margin-top: 6px;
        margin-bottom: 8px;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .fm-navbar-auth-row {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_user,
    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_login {
        padding-bottom: 0;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_user {
        padding-left: 19px;
    }

    body.fm-site-shell:not(.fm-user-layout) nav.navbar .header_login {
        padding-right: 19px;
    }
}