/* ==========================================
   前后端分离版 - Win12 亚克力 · 流体画布 · 沉浸式毛玻璃
   设计语言：flow-canvas / fluid-typography / immersive-glass
   ========================================== */

/* ========== Reset & Base ========== */
html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent}
body{line-height:1}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
nav ul{list-style:none}
blockquote,q{quotes:none}
blockquote:before,blockquote:after,q:before,q:after{content:none}
a{margin:0;padding:0;font-size:100%;vertical-align:baseline;background:transparent;text-decoration:none}
mark{background-color:#ff9;color:#000;font-style:italic;font-weight:bold}
del{text-decoration:line-through}
abbr[title],dfn[title]{border-bottom:1px dotted;cursor:help}
table{border-collapse:collapse;border-spacing:0}
hr{display:block;height:1px;border:0;border-top:1px solid #ccc;margin:1em 0;padding:0}
input,select{vertical-align:middle}
li{list-style:none}
html,body{width:100%;height:100%}
html{-webkit-tap-highlight-color:rgba(0,0,0,0)}
body{font:normal 75% Arial,Helvetica,sans-serif}
canvas{display:block;vertical-align:bottom}

body.desktop{
    font-family:'Segoe UI','PingFang SC',Arial,sans-serif;
    height:100vh;margin:0;padding:0;
    overflow:hidden;position:relative;
}

/* ========== 粒子背景 ========== */
#particles-js{position:fixed;width:100%;height:100%;top:0;left:0;z-index:0;pointer-events:none;}

/* ========== Win12 顶部胶囊栏 ========== */
.toolbar{
    position:fixed;top:14px;left:50%;transform:translateX(-50%);
    display:flex;align-items:center;justify-content:space-between;
    padding:8px 28px;gap:20px;min-width:460px;
    background:rgba(0,0,0,.35);backdrop-filter:blur(24px) saturate(180%);
    -webkit-backdrop-filter:blur(24px) saturate(180%);
    border-radius:28px;border:1px solid rgba(255,255,255,.1);
    box-shadow:0 4px 24px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08);
    z-index:9999;box-sizing:border-box;width:auto;max-width:94vw;
    transition:all .4s cubic-bezier(.25,.8,.25,1);
}
.toolbar-brand{
    color:#fff;font-size:18px;font-weight:700;letter-spacing:.5px;
    text-shadow:0 1px 4px rgba(0,0,0,.4);
    display:flex;align-items:center;gap:8px;
    animation:gbFadeIn .8s ease-out;
}
@keyframes gbFadeIn{from{opacity:0;filter:blur(4px);}to{opacity:1;filter:blur(0);}}
.toolbar-right{display:flex;align-items:center;gap:8px;}

/* 主题/语言下拉 */
.lang-select,.theme-select,.bg-select{
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
    border-radius:16px;padding:6px 14px;font-size:14px;cursor:pointer;color:rgba(255,255,255,.85);outline:none;
    backdrop-filter:blur(8px) saturate(150%);box-shadow:0 2px 8px rgba(0,0,0,.15);
    transition:all .3s cubic-bezier(.25,.8,.25,1);
}
.lang-select:hover,.theme-select:hover,.bg-select:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.2);}
.lang-select option,.theme-select option,.bg-select option{background:#222;color:#fff;}

/* ========== Win12 悬浮 Dock 栏 ========== */
.taskbar{
    position:fixed;bottom:14px;left:50%;transform:translateX(-50%);
    display:flex;align-items:center;gap:0;padding:8px 18px;
    background:rgba(0,0,0,.3);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
    border-radius:22px;border:1px solid rgba(255,255,255,.08);
    box-shadow:0 8px 40px rgba(0,0,0,.35),
        inset 0 1px 0 rgba(255,255,255,.06);
    z-index:1000;box-sizing:border-box;
    transition:all .4s cubic-bezier(.25,.8,.25,1);
}
.taskbar-left{display:flex;align-items:center;gap:6px;}
.taskbar-icons{display:flex;align-items:center;gap:6px;}

/* Dock 图标 - Win12 悬浮放大 */
.thumbnail{
    width:40px;height:40px;transition:all .35s cubic-bezier(.34,1.56,.64,1);
    cursor:pointer;border-radius:14px;position:relative;
    box-shadow:0 3px 10px rgba(0,0,0,.25);background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.06);
}
.thumbnail:hover{
    transform:scale(1.35) translateY(-22px);
    box-shadow:0 14px 35px rgba(0,0,0,.4),
        0 0 20px rgba(100,180,255,.15);
    z-index:10;border-color:rgba(255,255,255,.15);
    filter:drop-shadow(0 0 10px rgba(102,126,234,.4));
}
/* hover 提示 */
.thumbnail::after{
    content:attr(title);position:absolute;bottom:115%;left:50%;transform:translateX(-50%);
    background:rgba(0,0,0,.8);color:#fff;font-size:11px;padding:4px 10px;border-radius:8px;
    white-space:nowrap;opacity:0;transition:opacity .2s ease .1s;pointer-events:none;
    backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);
}
.thumbnail:hover::after{opacity:1;}


.taskbar-center{display:flex;align-items:center;padding:0 14px;}
.taskbar-text{color:rgba(255,255,255,.7);font-size:13px;white-space:nowrap;}
.taskbar-right{display:flex;align-items:center;padding-left:8px;}
.online-count{color:rgba(255,255,255,.7);font-size:13px;white-space:nowrap;}

/* ========== MDI 子窗口（Win12 亚克力） ========== */
#mdi-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:500;}
.mdi-window{
    position:absolute;min-width:180px;max-width:92vw;
    background:rgba(255,255,255,.06);border-radius:16px;
    box-shadow:0 8px 40px rgba(0,0,0,.35),
        inset 0 1px 0 rgba(255,255,255,.12),
        inset 0 0 60px rgba(100,180,255,.04);
    backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);
    border:1px solid rgba(255,255,255,.1);
    pointer-events:auto;display:flex;flex-direction:column;overflow:hidden;
    transition:box-shadow .4s cubic-bezier(.25,.8,.25,1),
               border-color .4s cubic-bezier(.25,.8,.25,1);
}
.mdi-window:hover{
    box-shadow:0 12px 48px rgba(0,0,0,.4),
        inset 0 1px 0 rgba(255,255,255,.15),
        inset 0 0 80px rgba(100,180,255,.06);
    border-color:rgba(255,255,255,.15);
}
.mdi-window .title-bar{
    background:transparent;height:28px;border-bottom:1px solid rgba(255,255,255,.08);
    border-radius:16px 16px 0 0;display:flex;align-items:center;padding:0 14px;
    font-weight:bold;color:#fff;cursor:move;flex-shrink:0;
}
.mdi-title-text{
    flex-grow:1;font-size:14px;font-weight:600;color:rgba(255,255,255,.8);
    text-shadow:0 1px 3px rgba(0,0,0,.3);margin-left:6px;
    overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.mdi-window .window-controls button{background:transparent;border:none;width:20px;height:20px;margin-left:4px;cursor:pointer;font-size:11px;line-height:20px;text-align:center;color:rgba(255,255,255,.4);border-radius:8px;transition:all .25s cubic-bezier(.25,.8,.25,1);}
.mdi-window .window-controls button:hover{color:#fff;background:rgba(255,255,255,.1);}

.mdi-body{overflow-y:auto;padding:14px 16px;flex-grow:1;min-height:0;font-size:15px!important;color:rgba(255,255,255,.85);}
.mdi-body h2,.mdi-body h3{color:rgba(255,255,255,.9);}
.mdi-body h2{font-size:16px!important;font-weight:700!important;margin-bottom:10px!important;}
.mdi-body h3{font-size:15px!important;font-weight:600!important;margin-bottom:8px!important;}
.mdi-body .ql-editor{font-size:15px!important;line-height:1.6!important;
    background:rgba(255,255,255,.88);border-radius:10px;padding:14px!important;color:#222!important;}
.mdi-body .ql-editor h2{font-size:18px!important;color:#111!important;}
.mdi-body .ql-editor h3{font-size:16px!important;color:#111!important;}
.mdi-body .ql-editor p{font-size:15px!important;color:#222!important;}
.mdi-body .ql-editor a{color:#1976D2!important;}
.mdi-body .ql-editor pre,.mdi-body .ql-editor code{background:#f5f5f5;color:#333;border-radius:6px;padding:2px 6px;}

.mdi-minimized{display:none!important;}
.mdi-maximized{width:92vw!important;height:90vh!important;top:5vh!important;left:4vw!important;}

/* ========== 软件按钮网格 ========== */
.software-type-section{margin-bottom:10px;}
.software-type-section h3{
    font-size:15px;font-weight:700;color:rgba(255,255,255,.9);text-shadow:0 1px 3px rgba(0,0,0,.3);
    margin-bottom:8px;padding:3px 0;border-bottom:1px solid rgba(255,255,255,.06);
}
.software-buttons{
    display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
}
.aero-button{
    display:flex;align-items:center;justify-content:center;gap:5px;
    padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);font-size:14px;font-weight:500;
    cursor:pointer;transition:all .35s cubic-bezier(.25,.8,.25,1);min-height:40px;text-align:center;
    backdrop-filter:blur(4px);word-break:break-word;white-space:normal;line-height:1.4;
}
.aero-button:hover{
    background:rgba(255,255,255,.16);transform:scale(1.04) translateY(-2px);
    box-shadow:0 8px 24px rgba(0,0,0,.3),
        0 0 16px rgba(100,180,255,.08);
    border-color:rgba(255,255,255,.2);color:#fff;
}
.aero-button:active{transform:scale(.97);}
.aero-button img{height:18px;flex-shrink:0;border-radius:4px;}

/* ========== 新闻卡片 ========== */
.category-section{margin-bottom:10px;flex-shrink:0;}
.category-section h2{font-size:15px;font-weight:700;color:rgba(255,255,255,.85);text-shadow:0 1px 3px rgba(0,0,0,.3);margin-bottom:14px;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.news-buttons-container{display:block;}
.news-buttons-container .news-buttons-container{display:flex;flex-direction:column;gap:0;}

.news-card{
    display:block;width:100%;padding:10px 12px;border-radius:14px;
    border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.04);
    cursor:pointer;transition:all .3s cubic-bezier(.25,.8,.25,1);text-align:left;font-size:12px;color:rgba(255,255,255,.8);
    backdrop-filter:blur(4px);
}
.news-card:hover{
    background:rgba(255,255,255,.14);transform:scale(1.015);
    box-shadow:0 6px 24px rgba(0,0,0,.25),
        0 0 12px rgba(100,180,255,.06);
    border-color:rgba(255,255,255,.15);
}
.news-card-icon{float:left;margin-right:8px;font-size:16px;}

/* 保留旧类名兼容 */
.news-aero-button{
    display:block;width:100%;padding:14px 16px;border-radius:14px;margin-bottom:8px;
    border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.04);
    cursor:pointer;transition:all .3s cubic-bezier(.25,.8,.25,1);text-align:left;font-size:14px;color:rgba(255,255,255,.8);
    backdrop-filter:blur(4px);line-height:1.6;
}
.news-aero-button small{font-size:12px;}
.news-aero-button:last-child{margin-bottom:0;}
.news-aero-button:hover{
    background:rgba(255,255,255,.14);transform:scale(1.015);
    box-shadow:0 6px 24px rgba(0,0,0,.25),
        0 0 12px rgba(100,180,255,.06);
    border-color:rgba(255,255,255,.15);
}
.news-aero-button small{display:block;font-size:12px;opacity:.55;margin-top:4px;}

/* ========== 链接/介绍按钮 ========== */
.intro-buttons-container{display:flex;flex-direction:column;gap:6px;}

.intro-aero-button{
    display:flex;align-items:center;gap:6px;width:100%;padding:10px 14px;
    border-radius:14px;border:1px solid rgba(255,255,255,.06);
    background:rgba(255,255,255,.04);color:rgba(255,255,255,.8);font-size:14px;font-weight:500;
    cursor:pointer;transition:all .3s cubic-bezier(.25,.8,.25,1);text-align:left;
    backdrop-filter:blur(4px);
}
.intro-aero-button:hover{
    background:rgba(255,255,255,.14);transform:scale(1.03) translateY(-1px);
    box-shadow:0 6px 24px rgba(0,0,0,.25),
        0 0 12px rgba(100,180,255,.06);
    border-color:rgba(255,255,255,.15);color:#fff;
}
.intro-aero-button:active{transform:scale(.97);}

/* ========== 通用原窗口（旧） ========== */
.window,.news-panel,.vista-window,.ilink-window{
    background:rgba(255,255,255,.1);border-radius:10px;
    box-shadow:0 8px 32px rgba(31,38,135,.37), 0 31px 45px rgba(0,0,0,.2);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.18);
}

/* ========== 模态窗口 ========== */
.modal{display:none;position:fixed;z-index:10000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgba(0,0,0,.4);}
.modal-content{background-color:#fefefe;margin:5% auto;padding:0;border:1px solid #888;width:80%;max-width:600px;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,.3);position:relative;display:flex;flex-direction:column;max-height:80vh;}
.modal .modal-content{background:rgba(255,255,255,.12);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3);box-shadow:0 8px 32px 0 rgba(31,38,135,.37),inset 0 0 0 1px rgba(255,255,255,.2),inset 0 0 20px rgba(255,255,255,.1);}
.modal .modal-titlebar{background:transparent;border-bottom:1px solid rgba(255,255,255,.4);padding:15px 20px;height:auto;box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 1px 3px rgba(0,0,0,.1);display:flex;justify-content:space-between;align-items:center;border-radius:8px 8px 0 0;}
.modal .modal-titlebar .title{font-size:16px;font-weight:bold;color:#333;text-shadow:0 1px 0 rgba(255,255,255,.5);margin:0;padding:0;}
.modal .close{position:static;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 1px 2px rgba(0,0,0,.1);cursor:pointer;transition:all .2s ease;background:rgba(255,255,255,.2);font-size:20px;font-weight:bold;color:#333;}
.modal .close:hover{background:rgba(255,0,0,.2);transform:scale(1.1);color:#f00;}
.modal-content-scrollable{padding:20px;overflow-y:auto;max-height:calc(80vh - 50px);border-radius:0 0 8px 8px;background:rgba(255,255,255,.85);box-shadow:inset 0 1px 0 rgba(255,255,255,.5);scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.2) rgba(255,255,255,.1);}
.modal-content-scrollable::-webkit-scrollbar{width:8px;}
.modal-content-scrollable::-webkit-scrollbar-track{background:rgba(255,255,255,.1);margin:4px 0;border-radius:4px;}
.modal-content-scrollable::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2);border-radius:4px;border:2px solid transparent;background-clip:padding-box;}
.modal-content-scrollable::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.3);}
.modal-content-scrollable h2{font-size:20px!important;font-weight:bold!important;margin-bottom:12px!important;color:#222!important;}
.modal-content-scrollable{font-size:15px!important;}
.modal-content-scrollable .ql-editor{font-size:15px!important;line-height:1.7!important;}
.modal-content-scrollable .ql-editor h2{font-size:19px!important;}
.modal-content-scrollable .ql-editor h3{font-size:17px!important;}
.modal-content-scrollable .ql-editor p{font-size:15px!important;}
.modal-content h1,.modal-content h2,.modal-content h3{color:#000;}
.modal-content h1:hover{color:#66B2FF;}
.modal-content h2:hover{color:#09F;}
.modal-content h3:hover{color:#00A2DE;}
.modal-titlebar{background:linear-gradient(to bottom,#e0e0e0,#c0c0c0);height:30px;border-bottom:1px solid grey;border-radius:6px 6px 0 0;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-weight:bold;color:#333;position:relative;box-shadow:inset 0 -1px 0 rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.1);}

.media-container{text-align:center;margin:20px 0;}
#modal-image,#modal-video{max-width:100%;display:block;margin:20px auto;}
#modal-video{height:auto;width:100%;}
.quill-container{border:1px solid #ccc;margin-top:10px;height:auto!important;min-height:100px;background:#fff;}
p{margin-bottom:.5em;}

/* ========== 右键菜单 ========== */
#custom-menu{display:none;position:absolute;min-width:100px;background:rgba(245,245,245,.5);border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.15);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);padding:8px 0;z-index:1000;--menu-bg:#5B8FF9;background:linear-gradient(145deg,var(--menu-bg) 0%,color-mix(in srgb,var(--menu-bg),white 15%) 100%);}
#custom-menu ul{list-style:none;margin:0;padding:0;}
#custom-menu li{padding:8px 16px;cursor:pointer;color:#333;font-family:'Segoe UI',sans-serif;font-size:14px;transition:background .2s;}
#custom-menu li:hover{background:rgba(0,0,0,.1);border-radius:10px;}

/* ========== 动画 ========== */
.loading-inline{text-align:center;padding:20px;color:rgba(255,255,255,.7);font-size:14px;}
.flash-border{box-shadow:0 0 0 3px #ff0;animation:flashOutline .5s ease-out;}
@keyframes flashOutline{0%{box-shadow:0 0 0 3px #ff0}50%{box-shadow:0 0 0 3px orange}100%{box-shadow:0 0 0 3px #ff0}}
.minimized{transform:scale(0) translateY(100%);opacity:0;pointer-events:none;}

/* ========== 白天模式 ========== */
body.light-mode{background-color:#e8ecf1!important;}
body.light-mode .mdi-window{background:rgba(255,255,255,.7);box-shadow:0 8px 40px rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.3);border:1px solid rgba(0,0,0,.06);}
body.light-mode .mdi-window .title-bar{border-bottom:1px solid rgba(0,0,0,.06);}
body.light-mode .mdi-title-text{color:#333;text-shadow:0 1px 0 rgba(255,255,255,.5);}
body.light-mode .mdi-body{color:#222;}
body.light-mode .mdi-body h2,
body.light-mode .mdi-body h3,
body.light-mode .software-type-section h3,
body.light-mode .category-section h2{color:#222!important;text-shadow:none;}
body.light-mode .taskbar{background:rgba(255,255,255,.55);border:1px solid rgba(0,0,0,.06);}
body.light-mode .taskbar-text,.body.light-mode .online-count{color:#444;}
body.light-mode .toolbar{background:rgba(255,255,255,.5);border:1px solid rgba(0,0,0,.06);}
body.light-mode .toolbar-brand{color:#333;text-shadow:none;}
body.light-mode .lang-select,body.light-mode .theme-select,body.light-mode .bg-select{background:rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.08);color:#444;}
body.light-mode .lang-select option,body.light-mode .theme-select option,body.light-mode .bg-select option{background:#fff;color:#333;}
body.light-mode .aero-button{background:rgba(255,255,255,.7);color:#333;border-color:rgba(0,0,0,.06);}
body.light-mode .news-aero-button,body.light-mode .intro-aero-button{background:rgba(255,255,255,.65);color:#333;}
body.light-mode .news-card{background:rgba(255,255,255,.65);color:#333;border-color:rgba(0,0,0,.04);}
body.light-mode .news-card:hover{background:rgba(255,255,255,.9);}
body.light-mode .quill-container,body.light-mode .ql-editor{background:#fff;}
body.light-mode #custom-menu{background:rgba(255,255,255,.9);}
body.light-mode .thumbnail{background:rgba(255,255,255,.25);border-color:rgba(0,0,0,.04);}

@supports not (backdrop-filter:blur(16px)){.taskbar{background:rgba(30,30,30,.85);}.toolbar{background:rgba(0,0,0,.6);}}