/* ==========================================================
 * （Bootstrap 基础样式 + Material 主题覆写）
 * 2026-08-21 合并
 * ========================================================== */
body{margin:0}
article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}
a{background-color:transparent}
a:active,a:hover{outline:0}
b,strong{font-weight:bold}
h1{font-size:2em;margin:0.67em 0}
small{font-size:80%}
img{border:0}
svg:not(:root){overflow:hidden}
hr{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;height:0}
pre{overflow:auto}
code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}
button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}
button{overflow:visible}
button,select{text-transform:none}
button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
button[disabled],html input[disabled]{cursor:default}
button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
input{line-height:normal}
input[type="checkbox"],input[type="radio"]{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:0}
input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}
input[type="search"]{-webkit-appearance:textfield;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}
input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}
textarea{overflow:auto}
table{border-collapse:collapse;border-spacing:0}
td,th{padding:0}
*{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
*:before,*:after{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
html{font-size:10px;-webkit-tap-highlight-color:rgba(0,0,0,0)}
body{font-family:"HanHei SC","PingHei","PingFang SC","微软雅黑","Helvetica Neue","Helvetica","Arial",sans-serif;font-size:13px;line-height:1.846;color:#666666;background-color:#ffffff}
input,button,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
a{color:#2196f3;text-decoration:none}
a:hover,a:focus{color:#0a6ebd;text-decoration:underline}
a:focus{outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}
img{vertical-align:middle}
hr{margin-top:23px;margin-bottom:23px;border:0;border-top:1px solid #eeeeee}
h1,h2,h3,h4,h5,h6,.h1,.h2,.h3,.h4,.h5,.h6{font-family:inherit;font-weight:400;line-height:1.1;color:#444444}
h1 small,h2 small,h3 small,h4 small,h5 small,h6 small,.h1 small,.h2 small,.h3 small,.h4 small,.h5 small,.h6 small,h1 .small,h2 .small,h3 .small,h4 .small,h5 .small,h6 .small,.h1 .small,.h2 .small,.h3 .small,.h4 .small,.h5 .small,.h6 .small{font-weight:normal;line-height:1;color:#bbbbbb}
h1,.h1,h2,.h2,h3,.h3{margin-top:23px;margin-bottom:11.5px}
h1 small,.h1 small,h2 small,.h2 small,h3 small,.h3 small,h1 .small,.h1 .small,h2 .small,.h2 .small,h3 .small,.h3 .small{font-size:65%}
h4,.h4,h5,.h5,h6,.h6{margin-top:11.5px;margin-bottom:11.5px}
h4 small,.h4 small,h5 small,.h5 small,h6 small,.h6 small,h4 .small,.h4 .small,h5 .small,.h5 .small,h6 .small,.h6 .small{font-size:75%}
h1,.h1{font-size:56px}
h2,.h2{font-size:45px}
h3,.h3{font-size:34px}
h4,.h4{font-size:24px}
h5,.h5{font-size:20px}
h6,.h6{font-size:14px}
p{margin:0 0 11.5px}
.lead{margin-bottom:23px;font-size:14px;font-weight:300;line-height:1.4}
small,.small{font-size:92%}
ul,ol{margin-top:0;margin-bottom:11.5px}
ul ul,ol ul,ul ol,ol ol{margin-bottom:0}
blockquote{padding:11.5px 23px;margin:0 0 23px;font-size:16.25px;border-left:5px solid #eeeeee}
blockquote p:last-child,blockquote ul:last-child,blockquote ol:last-child{margin-bottom:0}
blockquote footer,blockquote small,blockquote .small{display:block;font-size:80%;line-height:1.846;color:#bbbbbb}
blockquote footer:before,blockquote small:before,blockquote .small:before{content:'\2014 \00A0'}
code,kbd,pre,samp{font-family:Menlo,Monaco,Consolas,"Courier New",monospace}
code{padding:2px 4px;font-size:90%;color:#c7254e;background-color:#f9f2f4;border-radius:3px}
pre{display:block;padding:11px;margin:0 0 11.5px;font-size:12px;line-height:1.846;word-break:break-all;word-wrap:break-word;color:#212121;background-color:#f5f5f5;border:1px solid #cccccc;border-radius:3px}
pre code{padding:0;font-size:inherit;color:inherit;white-space:pre-wrap;background-color:transparent;border-radius:0}
table{background-color:transparent}
th{text-align:left}
table td[class*="col-"],table th[class*="col-"]{position:static;float:none;display:table-cell}
label{display:inline-block;max-width:100%;margin-bottom:5px;font-weight:bold}
input[type="search"]{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
input[type="radio"],input[type="checkbox"]{margin:4px 0 0;margin-top:1px \9;line-height:normal}
input[type="file"]{display:block}
input[type="range"]{display:block;width:100%}
select[multiple],select[size]{height:auto}
input[type="file"]:focus,input[type="radio"]:focus,input[type="checkbox"]:focus{outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}
.form-control{display:block;width:100%;height:37px;padding:6px 16px;font-size:13px;line-height:1.846;color:#666666;background-color:transparent;background-image:none;border:1px solid transparent;border-radius:3px;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);-webkit-transition:border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;-o-transition:border-color ease-in-out .15s,box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s,box-shadow ease-in-out .15s}
.form-control:focus{border-color:#66afe9;outline:0;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(102,175,233,0.6);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(102,175,233,0.6)}
.form-control::-moz-placeholder{color:#bbbbbb;opacity:1}
.form-control:-ms-input-placeholder{color:#bbbbbb}
.form-control::-webkit-input-placeholder{color:#bbbbbb}
.form-control::-ms-expand{border:0;background-color:transparent}
.form-control[disabled],.form-control[readonly],fieldset[disabled] .form-control{background-color:transparent;opacity:1}
.form-control[disabled],fieldset[disabled] .form-control{cursor:not-allowed}
textarea.form-control{height:auto}
input[type="search"]{-webkit-appearance:none}
.form-group{margin-bottom:15px}
input[type="radio"][disabled],input[type="checkbox"][disabled],input[type="radio"].disabled,input[type="checkbox"].disabled,fieldset[disabled] input[type="radio"],fieldset[disabled] input[type="checkbox"]{cursor:not-allowed}
.help-block{display:block;margin-top:5px;margin-bottom:10px;color:#a6a6a6}
.btn{display:inline-block;margin-bottom:0;font-weight:normal;text-align:center;vertical-align:middle;-ms-touch-action:manipulation;touch-action:manipulation;cursor:pointer;background-image:none;border:1px solid transparent;white-space:nowrap;padding:6px 16px;font-size:13px;line-height:1.846;border-radius:3px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.btn:focus,.btn:active:focus,.btn.active:focus,.btn.focus,.btn:active.focus,.btn.active.focus{outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}
.btn:hover,.btn:focus,.btn.focus{color:#444444;text-decoration:none}
.btn:active,.btn.active{outline:0;background-image:none;-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,0.125);box-shadow:inset 0 3px 5px rgba(0,0,0,0.125)}
.btn.disabled,.btn[disabled],fieldset[disabled] .btn{cursor:not-allowed;opacity:0.65;filter:alpha(opacity=65);-webkit-box-shadow:none;box-shadow:none}
a.btn.disabled,fieldset[disabled] a.btn{pointer-events:none}
.btn-primary{color:#ffffff;background-color:#2196f3;border-color:transparent}
.btn-primary:focus,.btn-primary.focus{color:#ffffff;background-color:#0c7cd5;border-color:rgba(0,0,0,0)}
.btn-primary:hover{color:#ffffff;background-color:#0c7cd5;border-color:rgba(0,0,0,0)}
.btn-primary:active,.btn-primary.active,.open>.dropdown-toggle.btn-primary{color:#ffffff;background-color:#0c7cd5;border-color:rgba(0,0,0,0)}
.btn-primary:active:hover,.btn-primary.active:hover,.open>.dropdown-toggle.btn-primary:hover,.btn-primary:active:focus,.btn-primary.active:focus,.open>.dropdown-toggle.btn-primary:focus,.btn-primary:active.focus,.btn-primary.active.focus,.open>.dropdown-toggle.btn-primary.focus{color:#ffffff;background-color:#0a68b4;border-color:rgba(0,0,0,0)}
.btn-primary:active,.btn-primary.active,.open>.dropdown-toggle.btn-primary{background-image:none}
.btn-primary.disabled:hover,.btn-primary[disabled]:hover,fieldset[disabled] .btn-primary:hover,.btn-primary.disabled:focus,.btn-primary[disabled]:focus,fieldset[disabled] .btn-primary:focus,.btn-primary.disabled.focus,.btn-primary[disabled].focus,fieldset[disabled] .btn-primary.focus{background-color:#2196f3;border-color:transparent}
.btn-success{color:#ffffff;background-color:#4caf50;border-color:transparent}
.btn-success:focus,.btn-success.focus{color:#ffffff;background-color:#3d8b40;border-color:rgba(0,0,0,0)}
.btn-success:hover{color:#ffffff;background-color:#3d8b40;border-color:rgba(0,0,0,0)}
.btn-success:active,.btn-success.active,.open>.dropdown-toggle.btn-success{color:#ffffff;background-color:#3d8b40;border-color:rgba(0,0,0,0)}
.btn-success:active:hover,.btn-success.active:hover,.open>.dropdown-toggle.btn-success:hover,.btn-success:active:focus,.btn-success.active:focus,.open>.dropdown-toggle.btn-success:focus,.btn-success:active.focus,.btn-success.active.focus,.open>.dropdown-toggle.btn-success.focus{color:#ffffff;background-color:#327334;border-color:rgba(0,0,0,0)}
.btn-success:active,.btn-success.active,.open>.dropdown-toggle.btn-success{background-image:none}
.btn-success.disabled:hover,.btn-success[disabled]:hover,fieldset[disabled] .btn-success:hover,.btn-success.disabled:focus,.btn-success[disabled]:focus,fieldset[disabled] .btn-success:focus,.btn-success.disabled.focus,.btn-success[disabled].focus,fieldset[disabled] .btn-success.focus{background-color:#4caf50;border-color:transparent}
[data-toggle="buttons"]>.btn input[type="radio"],[data-toggle="buttons"]>.btn-group>.btn input[type="radio"],[data-toggle="buttons"]>.btn input[type="checkbox"],[data-toggle="buttons"]>.btn-group>.btn input[type="checkbox"]{position:absolute;clip:rect(0, 0, 0, 0);pointer-events:none}
.alert{padding:15px;margin-bottom:23px;border:1px solid transparent;border-radius:3px}
.alert h4{margin-top:0;color:inherit}
.alert>p,.alert>ul{margin-bottom:0}
.alert>p+p{margin-top:5px}
.alert-dismissable,.alert-dismissible{padding-right:35px}
.alert-dismissable .close,.alert-dismissible .close{position:relative;top:-2px;right:-21px;color:inherit}
.alert-danger{background-color:#f9bdbb;border-color:#f7a4af;color:#e51c23}
.alert-danger hr{border-top-color:#f58c9a}
.close{float:right;font-size:19.5px;font-weight:normal;line-height:1;color:#000000;text-shadow:none;opacity:0.2;filter:alpha(opacity=20)}
.close:hover,.close:focus{color:#000000;text-decoration:none;cursor:pointer;opacity:0.5;filter:alpha(opacity=50)}
button.close{padding:0;cursor:pointer;background:transparent;border:0;-webkit-appearance:none}
.modal{display:none;overflow:hidden;position:fixed;top:0;right:0;bottom:0;left:0;z-index:1050;-webkit-overflow-scrolling:touch;outline:0}
.modal-dialog{position:relative;width:auto;margin:10px}
.modal-content{position:relative;background-color:#ffffff;border:1px solid #999999;border:1px solid transparent;border-radius:3px;-webkit-box-shadow:0 3px 9px rgba(0,0,0,0.5);box-shadow:0 3px 9px rgba(0,0,0,0.5);-webkit-background-clip:padding-box;background-clip:padding-box;outline:0}
.modal-header{padding:15px;border-bottom:1px solid transparent}
.modal-header .close{margin-top:-2px}
.modal-title{margin:0;line-height:1.846}
.modal-body{position:relative;padding:15px}
.modal-footer{padding:15px;text-align:right;border-top:1px solid transparent}
.modal-footer .btn+.btn{margin-left:5px;margin-bottom:0}
.clearfix:before,.clearfix:after,.dl-horizontal dd:before,.dl-horizontal dd:after,.container:before,.container:after,.container-fluid:before,.container-fluid:after,.row:before,.row:after,.form-horizontal .form-group:before,.form-horizontal .form-group:after,.btn-toolbar:before,.btn-toolbar:after,.btn-group-vertical>.btn-group:before,.btn-group-vertical>.btn-group:after,.nav:before,.nav:after,.navbar:before,.navbar:after,.navbar-header:before,.navbar-header:after,.navbar-collapse:before,.navbar-collapse:after,.pager:before,.pager:after,.panel-body:before,.panel-body:after,.modal-header:before,.modal-header:after,.modal-footer:before,.modal-footer:after{content:" ";display:table}
.clearfix:after,.dl-horizontal dd:after,.container:after,.container-fluid:after,.row:after,.form-horizontal .form-group:after,.btn-toolbar:after,.btn-group-vertical>.btn-group:after,.nav:after,.navbar:after,.navbar-header:after,.navbar-collapse:after,.pager:after,.panel-body:after,.modal-header:after,.modal-footer:after{clear:both}
.hide{display:none !important}
.btn-primary:focus{background-color:#2196f3}
.btn-primary:hover,.btn-primary:active:hover{background-color:#0d87e9}
.btn-primary:active{-webkit-box-shadow:2px 2px 4px rgba(0,0,0,0.4);box-shadow:2px 2px 4px rgba(0,0,0,0.4)}
.btn-success:focus{background-color:#4caf50}
.btn-success:hover,.btn-success:active:hover{background-color:#439a46}
.btn-success:active{-webkit-box-shadow:2px 2px 4px rgba(0,0,0,0.4);box-shadow:2px 2px 4px rgba(0,0,0,0.4)}
.btn{text-transform:uppercase;border:none;-webkit-box-shadow:1px 1px 4px rgba(0,0,0,0.4);box-shadow:1px 1px 4px rgba(0,0,0,0.4);-webkit-transition:all 0.4s;-o-transition:all 0.4s;transition:all 0.4s;position:relative}
.btn:after{content:"";display:block;position:absolute;width:100%;height:100%;top:0;left:0;background-image:-webkit-radial-gradient(circle, #000 10%, transparent 10.01%);background-image:-o-radial-gradient(circle, #000 10%, transparent 10.01%);background-image:radial-gradient(circle, #000 10%, transparent 10.01%);background-repeat:no-repeat;-webkit-background-size:1000% 1000%;background-size:1000% 1000%;background-position:50%;opacity:0;pointer-events:none;-webkit-transition:background .5s, opacity 1s;-o-transition:background .5s, opacity 1s;transition:background .5s, opacity 1s}
.btn:active:after{-webkit-background-size:0% 0%;background-size:0% 0%;opacity:.2;-webkit-transition:0s;-o-transition:0s;transition:0s}
body{-webkit-font-smoothing:antialiased;letter-spacing:.1px}
p{margin:0 0 1em}
input,button{-webkit-font-smoothing:antialiased;letter-spacing:.1px}
a{-webkit-transition:all 0.2s;-o-transition:all 0.2s;transition:all 0.2s}
label{font-weight:normal}
textarea,textarea.form-control,input.form-control,input[type=text],input[type=password],input[type=email],input[type=number],[type=text].form-control,[type=password].form-control,[type=email].form-control,[type=tel].form-control,[contenteditable].form-control{padding:0;border:none;border-radius:0;-webkit-appearance:none;-webkit-box-shadow:inset 0 -1px 0 #ddd;box-shadow:inset 0 -1px 0 #ddd;font-size:16px}
textarea:focus,textarea.form-control:focus,input.form-control:focus,input[type=text]:focus,input[type=password]:focus,input[type=email]:focus,input[type=number]:focus,[type=text].form-control:focus,[type=password].form-control:focus,[type=email].form-control:focus,[type=tel].form-control:focus,[contenteditable].form-control:focus{-webkit-box-shadow:inset 0 -2px 0 #2196f3;box-shadow:inset 0 -2px 0 #2196f3}
textarea[disabled],textarea.form-control[disabled],input.form-control[disabled],input[type=text][disabled],input[type=password][disabled],input[type=email][disabled],input[type=number][disabled],[type=text].form-control[disabled],[type=password].form-control[disabled],[type=email].form-control[disabled],[type=tel].form-control[disabled],[contenteditable].form-control[disabled],textarea[readonly],textarea.form-control[readonly],input.form-control[readonly],input[type=text][readonly],input[type=password][readonly],input[type=email][readonly],input[type=number][readonly],[type=text].form-control[readonly],[type=password].form-control[readonly],[type=email].form-control[readonly],[type=tel].form-control[readonly],[contenteditable].form-control[readonly]{-webkit-box-shadow:none;box-shadow:none;border-bottom:1px dotted #ddd}
select,select.form-control{border:0;border-radius:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-left:0;padding-right:0\9;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAMAAACelLz8AAAAJ1BMVEVmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZmaP/QSjAAAADHRSTlMAAgMJC0uWpKa6wMxMdjkoAAAANUlEQVR4AeXJyQEAERAAsNl7Hf3X6xt0QL6JpZWq30pdvdadme+0PMdzvHm8YThHcT1H7K0BtOMDniZhWOgAAAAASUVORK5CYII=);-webkit-background-size:13px 13px;background-size:13px;background-repeat:no-repeat;background-position:right center;-webkit-box-shadow:inset 0 -1px 0 #ddd;box-shadow:inset 0 -1px 0 #ddd;font-size:16px;line-height:1.5}
select::-ms-expand,select.form-control::-ms-expand{display:none}
select:focus,select.form-control:focus{-webkit-box-shadow:inset 0 -2px 0 #2196f3;box-shadow:inset 0 -2px 0 #2196f3;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAMAAACelLz8AAAAJ1BMVEUhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISEhISF8S9ewAAAADHRSTlMAAgMJC0uWpKa6wMxMdjkoAAAANUlEQVR4AeXJyQEAERAAsNl7Hf3X6xt0QL6JpZWq30pdvdadme+0PMdzvHm8YThHcT1H7K0BtOMDniZhWOgAAAAASUVORK5CYII=)}
select[multiple],select.form-control[multiple]{background:none}
input[type="radio"],.radio input[type="radio"],.radio-inline input[type="radio"]{position:relative;margin-top:6px;margin-right:4px;vertical-align:top;border:none;background-color:transparent;-webkit-appearance:none;appearance:none;cursor:pointer}
input[type="radio"]:focus,.radio input[type="radio"]:focus,.radio-inline input[type="radio"]:focus{outline:none}
input[type="radio"]:before,.radio input[type="radio"]:before,.radio-inline input[type="radio"]:before,input[type="radio"]:after,.radio input[type="radio"]:after,.radio-inline input[type="radio"]:after{content:"";display:block;width:18px;height:18px;border-radius:50%;-webkit-transition:240ms;-o-transition:240ms;transition:240ms}
input[type="radio"]:before,.radio input[type="radio"]:before,.radio-inline input[type="radio"]:before{position:absolute;left:0;top:-3px;background-color:#2196f3;-webkit-transform:scale(0);-ms-transform:scale(0);-o-transform:scale(0);transform:scale(0)}
input[type="radio"]:after,.radio input[type="radio"]:after,.radio-inline input[type="radio"]:after{position:relative;top:-3px;border:2px solid #666666}
input[type="radio"]:checked:before,.radio input[type="radio"]:checked:before,.radio-inline input[type="radio"]:checked:before{-webkit-transform:scale(.5);-ms-transform:scale(.5);-o-transform:scale(.5);transform:scale(.5)}
input[type="radio"]:disabled:checked:before,.radio input[type="radio"]:disabled:checked:before,.radio-inline input[type="radio"]:disabled:checked:before{background-color:#bbbbbb}
input[type="radio"]:checked:after,.radio input[type="radio"]:checked:after,.radio-inline input[type="radio"]:checked:after{border-color:#2196f3}
input[type="radio"]:disabled:after,.radio input[type="radio"]:disabled:after,.radio-inline input[type="radio"]:disabled:after,input[type="radio"]:disabled:checked:after,.radio input[type="radio"]:disabled:checked:after,.radio-inline input[type="radio"]:disabled:checked:after{border-color:#bbbbbb}
input[type="checkbox"],.checkbox input[type="checkbox"],.checkbox-inline input[type="checkbox"]{position:relative;border:none;margin-bottom:-4px;-webkit-appearance:none;appearance:none;cursor:pointer}
input[type="checkbox"]:focus,.checkbox input[type="checkbox"]:focus,.checkbox-inline input[type="checkbox"]:focus{outline:none}
input[type="checkbox"]:focus:after,.checkbox input[type="checkbox"]:focus:after,.checkbox-inline input[type="checkbox"]:focus:after{border-color:#2196f3}
input[type="checkbox"]:after,.checkbox input[type="checkbox"]:after,.checkbox-inline input[type="checkbox"]:after{content:"";display:block;width:18px;height:18px;margin-top:-2px;margin-right:5px;border:2px solid #666666;border-radius:2px;-webkit-transition:240ms;-o-transition:240ms;transition:240ms}
input[type="checkbox"]:checked:before,.checkbox input[type="checkbox"]:checked:before,.checkbox-inline input[type="checkbox"]:checked:before{content:"";position:absolute;top:0;left:6px;display:table;width:6px;height:12px;border:2px solid #fff;border-top-width:0;border-left-width:0;-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg)}
input[type="checkbox"]:checked:after,.checkbox input[type="checkbox"]:checked:after,.checkbox-inline input[type="checkbox"]:checked:after{background-color:#2196f3;border-color:#2196f3}
input[type="checkbox"]:disabled:after,.checkbox input[type="checkbox"]:disabled:after,.checkbox-inline input[type="checkbox"]:disabled:after{border-color:#bbbbbb}
input[type="checkbox"]:disabled:checked:after,.checkbox input[type="checkbox"]:disabled:checked:after,.checkbox-inline input[type="checkbox"]:disabled:checked:after{background-color:#bbbbbb;border-color:transparent}
.alert{border:none;color:#fff}
.alert-danger{background-color:#e51c23}
.alert a:not(.close):not(.btn),.alert .alert-link{color:#fff;font-weight:bold}
.alert .close{color:#fff}
.close{font-size:34px;font-weight:300;line-height:24px;opacity:0.6;-webkit-transition:all 0.2s;-o-transition:all 0.2s;transition:all 0.2s}
.close:hover{opacity:1}
*{margin:0;padding:0;box-sizing:border-box}
body,form,html{height:100%}
.expand-transition{-webkit-transition:all .5s ease;transition:all .5s ease}
.modal{display:block}
.alert.top{position:fixed;top:30px;margin:0 auto;left:0;right:0;width:50%;z-index:1050}
.announcement{background-color:#f8f9fa;color:#6c757d;padding:15px;text-align:center;position:fixed;top:-100px;width:100%;border-bottom:1px solid #dee2e6;z-index:1001;animation:slideDown 0.5s forwards,slideUp 0.5s 7s forwards}
.announcement .close{position:absolute;top:50%;right:15px;transform:translateY(-50%);cursor:pointer;font-size:20px;color:#6c757d}
@media (min-width:768px){.lead{font-size:19.5px}.modal-dialog{width:600px;margin:30px auto}.modal-content{-webkit-box-shadow:0 5px 15px rgba(0,0,0,0.5);box-shadow:0 5px 15px rgba(0,0,0,0.5)}}
@media screen and (-webkit-min-device-pixel-ratio:0){input[type="date"].form-control,input[type="time"].form-control,input[type="datetime-local"].form-control,input[type="month"].form-control{line-height:37px}}
@media (max-width:768px){.alert.top-xs{width:80%}}

/* ===== 统一站点样式：导航 / 首页内容区 / 内容页 / 页脚 / 广告位 / 响应式 ===== */
:root{
    --brand:#2f6fed;
    --brand-d:#1f56c4;
    --text:#333;
    --muted:#888;
    --line:#e6e6e6;
    --bg:#f5f7fb;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:960px;margin:0 auto;padding:0 16px}

/* ---------- 顶部导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:500;box-shadow:0 1px 6px rgba(0,0,0,.04)}
.site-nav{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px}
.site-nav .brand{font-size:20px;font-weight:700;color:var(--brand)}
.site-nav nav{display:flex;gap:18px;flex-wrap:wrap}
.site-nav nav a{color:#444;font-size:15px;white-space:nowrap}
.site-nav nav a:hover,.site-nav nav a.active{color:var(--brand);text-decoration:none}
.site-nav nav a.active{font-weight:600}

/* ---------- 公告（首页独有，可关闭并记忆） ---------- */
.announcement{display:flex;align-items:center;gap:10px;max-width:960px;margin:14px auto 0;padding:10px 40px 10px 14px;position:relative;border-radius:10px;font-size:14px;line-height:1.6;color:#2b4f9e;background:linear-gradient(90deg,#eef3ff,#e3ecfd);border:1px solid #c9d9fb;box-shadow:0 2px 10px rgba(47,111,237,.10);max-height:200px;overflow:hidden;transition:opacity .35s ease,max-height .35s ease,margin .35s ease,padding .35s ease,border-color .35s ease}
.announcement.hide{display:none}
.announcement.auto-hiding{opacity:0;max-height:0;margin-top:0;padding-top:0;padding-bottom:0;border-color:transparent}
.announcement .ann-ico{flex:none;font-size:18px;line-height:1}
.announcement .ann-text{flex:1;word-break:break-word}
.announcement .ann-close{position:absolute;top:50%;right:12px;transform:translateY(-50%);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:rgba(47,111,237,.08);border-radius:50%;cursor:pointer;color:#6b87c9;font-size:18px;line-height:1;transition:.15s}
.announcement .ann-close:hover{background:rgba(47,111,237,.18);color:var(--brand)}

/* ---------- Hero / 工具区（工具优先） ---------- */
.hero{margin:0 auto;padding:54px 16px 30px;background:linear-gradient(160deg,#eef3ff 0%,#f5f7fb 60%);text-align:center}
.hero-inner{max-width:600px;margin:0 auto}
.hero h1{font-size:30px;margin:0 0 10px;letter-spacing:.5px}
.hero .sub{color:var(--muted);margin:0 0 26px;font-size:15px}
.hero-tip{margin:18px 0 0;color:#5a8a3c;font-size:14px;font-weight:600}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 4px 18px rgba(0,0,0,.05);text-align:left}
.tool-card .form-group{margin-bottom:14px}
.tool-card label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.tool-card input[type=text]{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;outline:none}
.tool-card input[type=text]:focus{border-color:var(--brand)}
.btn-generate{display:flex;align-items:center;justify-content:center;width:100%;background:linear-gradient(90deg,var(--brand),#4b82f2);color:#fff;border:none;border-radius:10px;height:50px;padding:0;font-size:17px;font-weight:600;cursor:pointer;box-shadow:0 4px 14px rgba(47,111,237,.35);transition:.2s}
.btn-generate:hover{background:linear-gradient(90deg,var(--brand-d),#3a6fd8);box-shadow:0 6px 18px rgba(47,111,237,.45);transform:translateY(-1px)}
.btn-generate:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(47,111,237,.3)}
.tool-card .btn-wrap{margin-top:8px}
.hint{color:var(--muted);font-size:13px;margin-top:10px;text-align:center}

/* ---------- 区块通用 ---------- */
.section{max-width:960px;margin:40px auto;padding:0 16px}
.section h2{font-size:22px;text-align:center;margin:0 0 6px}
.section .lead{text-align:center;color:var(--muted);margin:0 0 22px;font-size:14px}

/* ---------- 三步使用 ---------- */
.steps-section .lead{margin-bottom:28px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:760px;margin:0 auto}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 18px;text-align:center;position:relative;transition:.2s}
.step:hover{transform:translateY(-4px);box-shadow:0 8px 22px rgba(47,111,237,.12);border-color:#cfe0ff}
.step-num{width:42px;height:42px;line-height:42px;margin:0 auto 12px;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;font-weight:700}
.step h3{font-size:16px;margin:0 0 6px}
.step p{color:var(--muted);font-size:13px;margin:0;line-height:1.6}

/* ---------- 特点卡片 ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;transition:.2s}
.feature:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,.06)}
.feature .ico{width:40px;height:40px;margin:0 auto 10px;color:var(--brand)}
.feature h3{font-size:16px;margin:0 0 6px}
.feature p{color:var(--muted);font-size:13px;margin:0;line-height:1.6}

/* ---------- FAQ 折叠 ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px;padding:0 16px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--muted);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:#555;font-size:14px;line-height:1.8;margin:0 0 14px}

/* ---------- 内容页排版 ---------- */
.page{max-width:820px;margin:32px auto;padding:0 16px}
.page h1{font-size:26px;margin:0 0 6px}
.page .updated{color:var(--muted);font-size:13px;margin-bottom:20px}
.page h2{font-size:19px;margin:26px 0 10px}
.page p,.page li{line-height:1.9;color:#444;font-size:15px}
.page ul{padding-left:22px}
.page a{text-decoration:underline}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:48px;padding:24px 16px;color:var(--muted);font-size:13px;text-align:center;line-height:1.9}
.site-footer .links{margin-bottom:10px}
.site-footer .links a{color:#666;margin:0 4px}
.site-footer .links a:hover{color:var(--brand)}

/* ---------- 广告位占位 ---------- */
.ad-slot{margin:24px auto;max-width:960px;text-align:center;padding:0 16px}
.ad-slot ins{display:block;margin:0 auto}
.ad-label{font-size:12px;color:#bbb;margin-bottom:6px;display:block}

/* ---------- 响应式 ---------- */
@media(max-width:760px){
    .features{grid-template-columns:repeat(2,1fr)}
    .site-nav nav{gap:12px}
    .hero{margin-top:24px}
    .hero h1{font-size:24px}
    .site-nav .brand{font-size:18px}
}

/* ---------- 自定义后缀输入 ---------- */
.custom-suffix-toggle{margin-bottom:10px}
.custom-suffix-toggle .check-line{display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none;font-weight:600;font-size:14px;margin:0;flex-wrap:wrap}
.custom-suffix-toggle input[type=checkbox]{width:16px;height:16px;margin:0;cursor:pointer;accent-color:var(--brand);flex:none}
.custom-suffix-toggle .toggle-sub{color:var(--muted);font-size:12px;font-weight:400}
.suffix-tip{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
.suffix-tip.err{color:#c62828}
.suffix-tip.ok{color:#2e7d32}