/* ============================================================
   ECHO-09 · 回声档案   ——   视觉系统 v3（拟真电脑）
   目标：看起来是一台 2011 年的真的电脑，而不是一张设计稿。
   手法：真实照片壁纸 + 彩色应用图标 + 浅色拟真窗口（Aqua）+
        各站点按 2011 年真实网站的样式来做（白底、蓝链接、灰表单）。
   ============================================================ */

:root{
  /* 系统文字 */
  --txt:#1d1d1f;
  --txt-2:#56565c;
  --txt-3:#8e8e93;

  /* 分隔 */
  --line:rgba(0,0,0,.10);
  --line-2:rgba(0,0,0,.16);
  --line-3:rgba(0,0,0,.26);

  /* 窗体 */
  --bg-win:#ffffff;
  --bg-soft:#f5f5f7;
  --bg-gray:#ececee;
  --bg-head:linear-gradient(180deg,#fdfdfd,#f1f0ee);

  /* 系统色 */
  --blue:#0a6cff;
  --blue-d:#0857c8;
  --link:#1558d6;
  --green:#1d9d55;
  --red:#d93a2b;
  --amber:#c77700;

  /* 兼容旧命名（少量内联样式仍引用） */
  --acc:var(--blue);
  --acc-2:var(--amber);
  --acc-dim:rgba(10,108,255,.10);
  --acc-line:rgba(10,108,255,.32);
  --pink:#b0527d;
  --violet:#6c4fd8;
  --mint:#1d9d55;
  --danger:var(--red);
  --panel:var(--bg-win);
  --panel-2:var(--bg-soft);
  --panel-3:#e6e6e9;
  --bg:var(--bg-win);
  --bg-deep:#111;

  --radius:11px;
  --shadow:0 26px 70px rgba(0,0,0,.38), 0 0 0 .5px rgba(0,0,0,.28);
  --shadow-sm:0 2px 10px rgba(0,0,0,.16);

  --mono:"SF Mono",Menlo,Consolas,"Cascadia Mono","Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:Georgia,"Times New Roman","Songti SC","Noto Serif CJK SC","Source Han Serif SC",SimSun,serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans);
  background:#111;
  color:var(--txt);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,textarea{font-family:inherit;color:inherit}
::selection{background:rgba(10,108,255,.22)}

:focus-visible{outline:2px solid rgba(10,108,255,.55);outline-offset:2px}

/* 图标与文字混排基线 */
.ic{display:inline-block;flex:0 0 auto;vertical-align:-.16em}

/* 应用图标（拟真瓷片） */
.app-tile{
  position:relative;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.34), inset 0 -1px 2px rgba(0,0,0,.20), 0 1px 3px rgba(0,0,0,.30);
}
.app-tile::after{
  content:"";position:absolute;inset:1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.30),rgba(255,255,255,.05) 46%,transparent 47%);
}
.app-tile .ic{position:relative;z-index:1}

/* 滚动条 */
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(0,0,0,.22);border-radius:8px;border:3px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.34);border:3px solid transparent;background-clip:padding-box}

.hidden{display:none !important}
.blink{animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ============================================================
   开机层：像真电脑开机（黑屏 + 进度条）
   ============================================================ */
.boot{position:fixed;inset:0;background:#0a0a0b;display:flex;align-items:center;justify-content:center;z-index:9999}
.boot-inner{width:min(560px,86vw);text-align:center}
.boot-logo{
  font-family:var(--mono);font-size:11px;line-height:1.15;color:#c8c8cc;
  margin:0 auto 30px;overflow-x:auto;text-align:left;display:inline-block;opacity:.92;
}
.boot-lines{font-family:var(--mono);font-size:12px;color:#8a8a90;line-height:1.9;min-height:130px;text-align:left}
.boot-lines .ok{color:#7fd89b}
.boot-lines .warn{color:#f0b45c}
.boot-lines .dim{color:#55555c}
.boot-bar{margin:26px auto 0;height:5px;width:220px;background:rgba(255,255,255,.16);border-radius:5px;overflow:hidden}
.boot-bar-fill{height:100%;width:0;background:#e8e8ec;border-radius:5px;transition:width .25s linear}
.boot-cta{
  margin-top:24px;font-family:var(--mono);font-size:12.5px;color:#b9b9c0;
  letter-spacing:1px;opacity:0;transition:opacity .5s;
}
.boot-cta.show{opacity:1}

.scanlines{position:absolute;inset:0;pointer-events:none;opacity:.35;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.02) 0 1px,transparent 1px 3px)}

/* ============================================================
   桌面：真实照片壁纸
   ============================================================ */
.desktop{position:fixed;inset:0;overflow:hidden}
.wallpaper{
  position:absolute;inset:0;
  background:url("../assets/img/wallpaper.jpg") center/cover no-repeat;
}
/* 给壁纸顶部压一层淡光、底部压一层暗角，保证界面文字可读 */
.wall-glow{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(255,255,255,.30) 0%,rgba(255,255,255,.06) 9%,transparent 22%),
    radial-gradient(120% 90% at 50% 118%, rgba(0,0,0,.34) 0%, transparent 62%);
}
.wall-grid{display:none}
.noise{position:absolute;inset:0;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 顶部菜单栏（拟真） */
.menubar{
  position:absolute;top:0;left:0;right:0;height:28px;z-index:400;
  display:flex;align-items:center;justify-content:space-between;padding:0 12px;
  background:rgba(250,250,252,.66);
  backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  border-bottom:.5px solid rgba(0,0,0,.14);
  font-size:13px;color:var(--txt);
}
.mb-left,.mb-right{display:flex;align-items:center;gap:2px;height:100%}
.mb-logo{display:flex;align-items:center;padding:0 8px;height:100%;color:var(--txt)}
.mb-item{
  display:flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:6px;
  cursor:pointer;user-select:none;white-space:nowrap;transition:background .14s;
}
.mb-item:hover{background:rgba(0,0,0,.09)}
.mb-item b{font-weight:600}
.mb-clock{font-size:13px;color:var(--txt);padding:0 8px 0 10px;font-variant-numeric:tabular-nums}

/* 桌面图标（右上，白字投影，像真的桌面） */
.desk-icons{position:absolute;top:44px;right:18px;display:grid;grid-template-columns:88px;gap:8px;z-index:10}
.desk-icon{
  width:88px;padding:8px 4px 7px;border-radius:9px;text-align:center;cursor:pointer;
  border:1px solid transparent;transition:background .16s,border-color .16s;
}
.desk-icon:hover{background:rgba(255,255,255,.28);border-color:rgba(255,255,255,.5)}
.desk-icon .ico{display:flex;justify-content:center;margin-bottom:6px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.35))}
.desk-icon .lbl{
  font-size:11.5px;color:#fff;line-height:1.3;letter-spacing:.2px;
  text-shadow:0 1px 3px rgba(0,0,0,.75), 0 0 8px rgba(0,0,0,.4);
}

/* ============================================================
   Dock（拟真玻璃托盘）
   ============================================================ */
.dock{
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);z-index:500;
  display:flex;align-items:flex-end;gap:9px;padding:9px 11px;border-radius:22px;
  background:rgba(255,255,255,.42);
  backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);
  border:.5px solid rgba(255,255,255,.65);
  box-shadow:0 12px 40px rgba(0,0,0,.30), inset 0 1px 0 rgba(255,255,255,.6);
  max-width:94vw;overflow-x:auto;
}
.dock-btn{
  position:relative;width:50px;height:50px;border-radius:12px;cursor:pointer;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s cubic-bezier(.3,1.3,.5,1);
}
.dock-btn:hover{transform:translateY(-9px) scale(1.12)}
.dock-btn.active::after{
  content:"";position:absolute;bottom:-7px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:rgba(0,0,0,.62);
}
.dock-btn .tip{
  position:absolute;bottom:64px;left:50%;transform:translateX(-50%) translateY(5px);
  background:rgba(28,28,30,.86);color:#fff;padding:5px 11px;border-radius:8px;
  font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:.18s;
}
.dock-btn:hover .tip{opacity:1;transform:translateX(-50%) translateY(0)}
.dock-sep{width:1px;height:40px;background:rgba(0,0,0,.16);margin:0 3px;flex:0 0 auto}

/* ============================================================
   窗口（拟真 Aqua）
   ============================================================ */
.windows{position:absolute;inset:28px 0 84px 0;pointer-events:none}
.win{
  position:absolute;pointer-events:auto;display:flex;flex-direction:column;
  min-width:340px;min-height:220px;border-radius:11px;overflow:hidden;
  background:var(--bg-win);border:.5px solid rgba(0,0,0,.30);
  box-shadow:var(--shadow);
  animation:winIn .22s cubic-bezier(.2,.9,.3,1);
}
@keyframes winIn{from{opacity:0;transform:translateY(10px) scale(.988)}to{opacity:1;transform:none}}
.win.min{display:none}
.win.focus{box-shadow:0 34px 88px rgba(0,0,0,.46), 0 0 0 .5px rgba(0,0,0,.34)}
.win-bar{
  position:relative;height:38px;flex:0 0 auto;display:flex;align-items:center;gap:8px;
  padding:0 12px;cursor:grab;user-select:none;
  background:var(--bg-head);border-bottom:.5px solid rgba(0,0,0,.16);
}
.win-bar:active{cursor:grabbing}
.win-dots{display:flex;gap:8px;margin-right:2px}
.win-dots i{
  position:relative;
  width:12px;height:12px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:filter .14s;box-shadow:inset 0 0 0 .5px rgba(0,0,0,.22);
}
/* 扩大热区：视觉上仍是 12px 圆点，但可点区域约 30px（整条标题栏高度） */
.win-dots i::before{
  content:"";position:absolute;left:50%;top:50%;width:30px;height:30px;
  transform:translate(-50%,-50%);
}
.win-dots i:hover{filter:brightness(1.08)}
.win-dots .r{background:#ff5f57}.win-dots .y{background:#febc2e}.win-dots .g{background:#28c840}
.win-dots i::after{
  font:600 9px/1 var(--sans);color:rgba(0,0,0,.55);opacity:0;transition:opacity .12s;
  position:relative;pointer-events:none;
}
.win-bar:hover .win-dots i::after,
.win-dots i:hover::after{opacity:1}
.win-dots .r::after{content:"✕"}
.win-dots .y::after{content:"−"}
.win-dots .g::after{content:"+"}

.win-title{
  position:absolute;left:64px;right:64px;top:0;bottom:0;
  display:flex;align-items:center;justify-content:center;gap:7px;
  font-size:13px;font-weight:600;color:#3c3c43;pointer-events:none;
}
.win-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.win.focus .win-title{color:#1d1d1f}
.win-body{flex:1;overflow:auto;position:relative;background:var(--bg-win)}
.win-body.pad{padding:22px 24px}

/* ============================================================
   通用元素（浅色拟真控件）
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:.5px solid rgba(0,0,0,.18);background:linear-gradient(180deg,#fff,#f3f3f4);
  color:var(--txt);padding:7px 15px;border-radius:8px;font-size:13px;cursor:pointer;
  box-shadow:0 1px 2px rgba(0,0,0,.10);
  transition:background .15s,transform .15s,box-shadow .15s;
}
.btn:hover{background:linear-gradient(180deg,#fff,#ececee)}
.btn:active{transform:translateY(.5px);box-shadow:none}
.btn.primary{
  background:linear-gradient(180deg,#3a90ff,#0a6cff);color:#fff;border-color:var(--blue-d);font-weight:600;
}
.btn.primary:hover{background:linear-gradient(180deg,#4a99ff,#1673ff)}
.btn.ghost{background:transparent;box-shadow:none}
.btn.ghost:hover{background:rgba(0,0,0,.05)}
.btn.sm{padding:4px 11px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

input[type=text],input[type=password],textarea{
  background:#fff;border:.5px solid rgba(0,0,0,.24);border-radius:8px;padding:9px 12px;
  font-size:13.5px;outline:none;transition:border-color .15s,box-shadow .15s;width:100%;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.05);
}
input[type=text]:focus,input[type=password]:focus,textarea:focus{
  border-color:var(--blue);box-shadow:0 0 0 3.5px rgba(10,108,255,.18);
}
input::placeholder{color:var(--txt-3)}

.tag{
  display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;
  border:.5px solid rgba(0,0,0,.16);color:var(--txt-2);background:rgba(0,0,0,.035);
}
.tag.acc{color:var(--blue);border-color:rgba(10,108,255,.35);background:rgba(10,108,255,.08)}
.tag.warn{color:var(--amber);border-color:rgba(199,119,0,.35);background:rgba(199,119,0,.08)}
.tag.dan{color:var(--red);border-color:rgba(217,58,43,.32);background:rgba(217,58,43,.07)}
.tag.vio{color:var(--violet);border-color:rgba(108,79,216,.32);background:rgba(108,79,216,.07)}

.hint-box,.ok-box,.err-box{
  display:flex;align-items:flex-start;gap:9px;line-height:1.7;font-size:12.5px;
  border-radius:9px;padding:11px 14px;margin:12px 0;border:.5px solid transparent;
}
.hint-box{background:#fff8e1;border-color:rgba(199,119,0,.22);color:#7a5300}
.ok-box{background:#e9f7ee;border-color:rgba(29,157,85,.24);color:#116b39}
.err-box{background:#fdecea;border-color:rgba(217,58,43,.24);color:#9c2a1e}
.hint-box .ic,.ok-box .ic,.err-box .ic{margin-top:2px}

.sec-title{
  font-size:11px;letter-spacing:1.6px;color:var(--txt-3);text-transform:uppercase;
  margin:18px 0 10px;font-weight:600;
}
.sec-title:first-child{margin-top:0}
.divider{height:.5px;background:var(--line-2);margin:16px 0}

/* 返回链接（像网页里的“返回”） */
.back-link{
  display:inline-flex;align-items:center;gap:4px;cursor:pointer;color:var(--link);
  transition:opacity .15s;user-select:none;font-weight:500;
}
.back-link:hover{opacity:.7;text-decoration:underline;text-underline-offset:2px}

/* ============================================================
   应用 · 搜鸿搜索（像 2011 年的真搜索引擎）
   ============================================================ */
.app-search .win-body{background:#fff}
.se-head{padding:30px 30px 18px;border-bottom:1px solid var(--line)}
.se-logo{font-size:30px;font-weight:800;letter-spacing:2px;color:var(--link)}
.se-logo::first-letter{color:var(--red)}
.se-sub{font-size:11.5px;color:var(--txt-3);margin-top:5px;letter-spacing:.4px}
.se-form{display:flex;gap:10px;margin-top:18px;max-width:640px}
.se-form input{border-radius:22px;padding:10px 19px;font-size:14px;border:.5px solid rgba(0,0,0,.22)}
.se-count{padding:12px 30px;font-size:12px;color:var(--txt-3)}
.se-res{padding:2px 30px 34px;max-width:760px}
.se-item{padding:13px 0;border-bottom:1px solid rgba(0,0,0,.05);cursor:pointer;border-radius:8px}
.se-item:hover{background:#f7f9fc}
.se-url{font-size:12px;color:var(--green);display:flex;align-items:center;gap:8px}
.se-url .av{width:16px;height:16px;border-radius:4px;flex:0 0 auto;
  background:linear-gradient(180deg,#54a9ff,#1668e0);box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}
.se-t{font-size:16px;color:var(--link);margin:4px 0;font-weight:400;line-height:1.4}
.se-item:hover .se-t{text-decoration:underline;text-underline-offset:3px}
.se-d{font-size:13px;color:#4d5156;line-height:1.65}
.se-lock{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--amber);margin-top:5px}
.se-empty{padding:44px 26px;text-align:center;color:var(--txt-3);font-size:13px;line-height:2.1}
.se-empty code{
  background:#f1f1f3;border:.5px solid var(--line-2);padding:2px 8px;border-radius:6px;
  color:var(--txt-2);font-family:var(--mono);font-size:11.5px;
}

/* ============================================================
   应用 · 深蓝 BBS（像 2011 年的 Discuz! 论坛）
   ============================================================ */
.app-forum .win-body{background:#f2f3f5}
.fm-head{
  background:linear-gradient(180deg,#3f74ad,#2c568c);
  padding:14px 20px;border-bottom:1px solid #1f4470;
}
.fm-name{font-size:19px;font-weight:700;color:#fff;letter-spacing:1px;text-shadow:0 -1px 0 rgba(0,0,0,.25)}
.fm-name span{color:#ffd77a}
.fm-meta{font-size:11.5px;color:#c9d9ec;margin-top:4px}
.fm-tabs{display:flex;gap:4px;padding:10px 16px;background:#e8eaee;border-bottom:1px solid #d6d9de;flex-wrap:wrap}
.fm-tab{
  padding:6px 14px;border-radius:4px;font-size:12.5px;color:#3c5a7d;cursor:pointer;
  transition:.14s;border:1px solid transparent;font-weight:600;
}
.fm-tab:hover{background:#dde3ea;color:#1f3b5c}
.fm-tab.on{background:#fff;color:#1f3b5c;border-color:#c8cdd4;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.fm-list{background:#fff;border-bottom:1px solid #d6d9de}
.fm-row{
  display:flex;align-items:center;gap:12px;padding:11px 18px;
  border-bottom:1px solid #eceef1;cursor:pointer;transition:background .13s;
}
.fm-row:hover{background:#f4f8fd}
.fm-row .num{font-family:var(--mono);font-size:11px;color:var(--txt-3);width:16px;flex:0 0 auto}
.fm-row .ttl{flex:1;font-size:13.5px;color:#15497e;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-row:hover .ttl{text-decoration:underline;text-underline-offset:2px}
.fm-row .au{font-size:12px;color:var(--txt-3);width:84px;flex:0 0 auto;text-align:right}
.fm-row .dt{font-size:11px;color:var(--txt-3);width:58px;flex:0 0 auto;text-align:right;font-family:var(--mono)}
.fm-row .rp{font-size:11px;color:var(--txt-3);width:32px;flex:0 0 auto;text-align:right;font-family:var(--mono)}
.fm-row.pin .num{color:var(--amber)}
.fm-row.pin .ttl::before{content:"置顶";display:inline-block;margin-right:7px;font-size:10px;letter-spacing:1px;
  color:#fff;background:var(--amber);padding:1px 5px;border-radius:3px;vertical-align:1px}

.fm-post{padding:20px 22px;background:#fff}
.fm-ptitle{font-size:18px;font-weight:700;color:#1a1a1c;line-height:1.5}
.fm-pmeta{font-size:12px;color:var(--txt-3);margin:8px 0 16px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.post{display:flex;gap:14px;padding:16px 0;border-top:1px solid #eceef1}
.post:first-of-type{border-top:none}
.avatar{
  width:42px;height:42px;border-radius:6px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:700;font-size:17px;color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3), 0 1px 2px rgba(0,0,0,.2);
}
.post-main{flex:1;min-width:0}
.post-hd{display:flex;align-items:center;gap:9px;margin-bottom:7px;flex-wrap:wrap}
.post-au{font-size:13px;color:#15497e;font-weight:600}
.post-lv{font-size:10.5px;color:var(--txt-3);border:1px solid #d9dce1;padding:1px 6px;border-radius:3px;background:#f7f8fa}
.post-fl{font-size:10.5px;color:#fff;background:var(--amber);padding:1px 6px;border-radius:3px}
.post-dt{font-size:11px;color:var(--txt-3);font-family:var(--mono);margin-left:auto}
.post-tx{font-size:13.5px;line-height:1.85;color:#2a2a2e;white-space:pre-wrap;word-break:break-word}
.post-tx .kw{
  color:var(--link);background:rgba(10,108,255,.07);padding:0 3px;border-radius:3px;cursor:pointer;font-weight:600;
  border-bottom:1px dashed rgba(10,108,255,.5);
}
.post-tx .kw:hover{background:rgba(10,108,255,.14)}
.post-sig{
  margin-top:12px;padding-top:9px;border-top:1px dashed #d9dce1;
  font-size:11.5px;color:var(--txt-3);font-style:italic;line-height:1.7;
}
.quote{
  display:flex;align-items:flex-start;gap:9px;margin:11px 0;padding:10px 14px;
  background:#f6f7f9;border-left:3px solid #c3cbd6;
  border-radius:0 6px 6px 0;font-size:12.5px;color:#4a4f57;line-height:1.75;
}
.quote .ic{margin-top:2px;opacity:.7}
.deleted{opacity:.45;font-style:italic}

/* ============================================================
   应用 · 云雀网盘（像真网盘）
   ============================================================ */
.app-drive .win-body{background:#fff}
.dr-head{
  padding:16px 22px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:13px;
}
.dr-logo{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(180deg,#54c2ff,#1d8fe6);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 1px 3px rgba(0,0,0,.2);
}
.dr-name{font-size:15px;font-weight:700;color:var(--txt)}
.dr-sub{font-size:11.5px;color:var(--txt-3);margin-top:2px}
.dr-body{padding:20px 22px}
.dr-lock{max-width:430px;margin:34px auto;text-align:center}
.dr-lock .big{color:var(--amber);margin-bottom:14px}
.dr-lock p{font-size:13px;color:var(--txt-2);line-height:1.9;margin-bottom:20px}
.dr-lock b{color:var(--txt)}
.dr-code{display:flex;gap:9px;justify-content:center;margin-bottom:14px}
.dr-code input{max-width:190px;text-align:center;letter-spacing:8px;font-family:var(--mono);font-size:17px}
.dr-files{display:grid;gap:8px}
.dr-file{
  display:flex;align-items:center;gap:13px;padding:12px 15px;border:1px solid #e4e6ea;
  border-radius:9px;background:#fff;cursor:pointer;
  transition:background .15s,border-color .15s;
}
.dr-file:hover{background:#f5f9ff;border-color:#bcd6f5}
.dr-file.on{background:#eaf2ff;border-color:var(--blue)}
.dr-file .fi{
  width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:#5b8dd6;background:#f0f4fa;flex:0 0 auto;
}
.dr-file:hover .fi,.dr-file.on .fi{color:var(--blue);background:#e2edfd}
.dr-file .fn{flex:1;font-size:13.5px;color:var(--txt)}
.dr-file .fs{font-size:11.5px;color:var(--txt-3);font-family:var(--mono)}
.file-view{
  font-family:var(--mono);font-size:12.5px;line-height:1.9;color:#33363b;
  white-space:pre-wrap;background:#fbfbfc;border:1px solid #e4e6ea;border-radius:9px;padding:18px 20px;
}
.file-view .c{color:var(--txt-3)}
.file-view .h{color:#0b57a4;font-weight:700}
.file-view .r{color:var(--red)}

/* ============================================================
   应用 · 星尘邮箱（像 2011 年的企业 WebMail）
   ============================================================ */
.app-mail .win-body{background:#fff;display:flex;flex-direction:column}
.ml-login{max-width:400px;margin:52px auto;padding:0 24px}
.ml-login h3{font-size:21px;margin-bottom:8px;color:var(--txt);letter-spacing:.3px}
.ml-login p{font-size:12.5px;color:var(--txt-3);margin-bottom:22px;line-height:1.8}
.ml-field{margin-bottom:13px}
.ml-field label{display:block;font-size:12px;color:var(--txt-2);margin-bottom:6px}
.ml-wrap{display:flex;flex:1;min-height:0}
.ml-side{width:212px;flex:0 0 auto;border-right:1px solid #e4e6ea;padding:12px 0;overflow:auto;background:#f7f8fa}
.ml-folder{
  padding:8px 20px;font-size:13px;color:var(--txt-2);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;transition:.13s;
}
.ml-folder:hover{background:#eceef2;color:var(--txt)}
.ml-folder.on{background:#dceaff;color:#0a4fb0;font-weight:600}
.ml-folder .c{font-size:11px;background:rgba(0,0,0,.07);padding:1px 7px;border-radius:9px;font-family:var(--mono)}
.ml-list{flex:1;overflow:auto;border-right:1px solid #e4e6ea;background:#fff}
.ml-item{padding:12px 18px;border-bottom:1px solid #f0f1f4;cursor:pointer;transition:background .13s}
.ml-item:hover{background:#f5f8fc}
.ml-item.on{background:#eaf2ff}
.ml-item .row1{display:flex;justify-content:space-between;gap:10px;margin-bottom:4px;align-items:baseline}
.ml-item .fr{font-size:13px;color:var(--txt);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ml-item.unread .fr{font-weight:700}
.ml-item .dt{font-size:11px;color:var(--txt-3);flex:0 0 auto;font-family:var(--mono)}
.ml-item .sb{font-size:12px;color:var(--txt-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ml-item.unread .sb{color:var(--txt-2)}
.ml-item.unread .row1::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:-3px;vertical-align:middle}
.ml-read{flex:1.4;overflow:auto;padding:22px 24px;background:#fff}
.ml-subj{font-size:17px;font-weight:700;color:var(--txt);line-height:1.5;margin-bottom:10px}
.ml-from{font-size:12px;color:var(--txt-3);line-height:1.9;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:16px}
.ml-from b{color:var(--txt-2);font-weight:600}
.ml-tx{font-size:13.5px;line-height:1.9;color:#2a2a2e;white-space:pre-wrap}
.ml-tx .kw{color:var(--link);font-weight:600;background:rgba(10,108,255,.07);padding:0 3px;border-radius:3px;border-bottom:1px dashed rgba(10,108,255,.5)}
.ml-empty{display:flex;align-items:center;justify-content:center;gap:8px;height:100%;color:var(--txt-3);font-size:13px}

/* ============================================================
   应用 · 星尘内网（保留终端绿字：内网系统本来就长这样）
   ============================================================ */
.app-db .win-body{background:#0c1210;font-family:var(--mono)}
.db-login{max-width:400px;margin:56px auto;padding:0 24px;font-family:var(--sans)}
.db-login .lg{font-size:11px;color:#6fd0a4;letter-spacing:3.5px;margin-bottom:10px}
.db-head{padding:15px 20px;background:#101a16;border-bottom:1px solid #1e3529}
.db-head .t{font-size:13.5px;color:#7fe0ae;letter-spacing:2.2px}
.db-head .s{font-size:11px;color:#5d8a71;margin-top:4px}
.db-tabs{display:flex;gap:4px;padding:10px 15px;border-bottom:1px solid #1e3529;flex-wrap:wrap}
.db-tab{padding:6px 12px;border-radius:6px;font-size:12px;color:#5d8a71;cursor:pointer;transition:.14s;border:1px solid transparent}
.db-tab:hover{background:#15251d;color:#9fe6c4}
.db-tab.on{background:#1b3a2a;color:#a9f0ca;border-color:#2c5b41}
.db-body{padding:16px 20px 30px;font-size:12.5px;line-height:1.9;color:#a8c9b6}
.db-card{border:1px solid #234434;border-radius:9px;padding:14px 16px;margin-bottom:12px;background:#101a16}
.db-card .k{color:#5d8a71;font-size:11px;letter-spacing:1.4px}
.db-sec{color:#5d8a71;font-size:11px;letter-spacing:1.4px;margin-bottom:13px}
.db-card .v{color:#d7f0e2;font-size:13.5px;margin-top:3px}
.db-card .v.red{color:#f0907c}
.db-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:11px;margin-bottom:14px}
.db-log{border-left:2px solid #2c5b41;padding:9px 0 9px 14px;margin-bottom:11px}
.db-log .t{font-size:11px;color:#5d8a71;font-family:var(--mono)}
.db-log .c{font-size:12.5px;color:#bfe3ce;margin-top:2px;line-height:1.8}
.db-log .c.hi{color:#ffd166;font-weight:700}
.db-log.red{border-color:#8a3a2c}
.db-log.red .c{color:#f0a391}
.db-warn{border:1px solid #6e2f24;background:#1d1210;border-radius:9px;padding:14px 16px;color:#f0a391;font-size:12.5px;line-height:1.85}
.db-table{border:1px solid #234434;border-radius:9px;overflow:hidden;margin-top:4px}
.db-tr{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:8px;padding:10px 15px;font-size:12px}
.db-tr.head{background:#15251d;font-size:11px;color:#5d8a71;letter-spacing:1px}
.db-tr:not(.head){border-top:1px solid #1e3529;color:#a8c9b6}
.db-tr.red{color:#f0907c;background:#1d1210}

/* ============================================================
   应用 · 终端（真终端的样子）
   ============================================================ */
.app-term .win-body{
  background:#15171a;font-family:var(--mono);padding:14px 16px;
  font-size:12.5px;line-height:1.8;overflow:auto;
}
.term-line{white-space:pre-wrap;word-break:break-all;color:#d6d6da}
.term-line.cmd{color:#fff}
.term-line.cmd::before{content:"archivist@echo:~$ ";color:#6fd0a4}
.term-line.err{color:#ff7a6b}
.term-line.sys{color:#8e8e96}
.term-line.out{color:#c8ccd2}
.term-line.hi{color:#ffd166}
.term-line.big{color:#6fd0a4;font-weight:600}
.term-input{display:flex;gap:8px;align-items:center;margin-top:6px}
.term-input span{color:#6fd0a4;flex:0 0 auto}
.term-input input{
  background:transparent;border:none;outline:none;padding:0;
  font-family:var(--mono);font-size:12.5px;color:#fff;flex:1;
}
.term-input input:focus{box-shadow:none}

/* ============================================================
   应用 · 线索板（软木板 + 便签）
   ============================================================ */
.app-notes .win-body{background:#e8e4db}
.nt-head{padding:18px 22px;border-bottom:1px solid rgba(0,0,0,.12);background:rgba(255,255,255,.55)}
.nt-head > div:first-child{font-size:16px;font-weight:700;color:var(--txt)}
.nt-prog{display:flex;align-items:center;gap:12px;margin-top:12px}
.nt-bar{flex:1;height:6px;background:rgba(0,0,0,.12);border-radius:6px;overflow:hidden}
.nt-bar i{display:block;height:100%;background:linear-gradient(180deg,#3a90ff,#0a6cff);transition:width .5s;border-radius:6px}
.nt-pct{font-family:var(--mono);font-size:12px;color:#0a4fb0;font-weight:600}
.nt-body{padding:16px 20px 40px}
.nt-clue{
  border-radius:3px;padding:14px 16px 16px;margin-bottom:12px;
  background:linear-gradient(180deg,#fffbe6,#fdf3b8);
  border:1px solid #e5d68a;
  box-shadow:0 2px 6px rgba(0,0,0,.16);
  animation:winIn .3s;position:relative;
}
.nt-clue::before{
  content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(-2deg);
  width:52px;height:14px;border-radius:2px;background:rgba(214,84,66,.72);
  box-shadow:0 1px 3px rgba(0,0,0,.28);
}
.nt-clue .h{display:flex;align-items:center;gap:9px;margin-bottom:7px}
.nt-clue .ic{
  width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  color:#7a5300;background:rgba(199,119,0,.14);
}
.nt-clue .ti{font-size:13px;color:#3d3320;font-weight:700}
.nt-clue .tm{margin-left:auto;font-size:10.5px;color:#8d7f5c;font-family:var(--mono)}
.nt-clue .tx{font-size:12.5px;color:#4a4130;line-height:1.8}
.nt-empty{text-align:center;padding:36px 10px;color:#8d8574;font-size:12.5px;line-height:2.1}
.nt-hints{
  margin-top:22px;padding:16px 18px;border:1px solid rgba(0,0,0,.12);
  border-radius:10px;background:rgba(255,255,255,.72);
}
.nt-hints h4{font-size:12px;color:var(--amber);margin-bottom:11px;letter-spacing:1.6px;font-weight:700}
.nt-hint-lv{display:flex;gap:8px;margin-bottom:13px;flex-wrap:wrap}
.nt-hint-box{
  display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:#5a4a1e;line-height:1.8;
  background:#fffdf4;border:1px solid #e5d68a;padding:12px 14px;border-radius:8px;
}
.nt-hint-box .ic{margin-top:3px}

/* ============================================================
   应用 · 博客 / 委托信（真实博客的样子，配真实照片）
   ============================================================ */
.app-blog .win-body{background:#fff}
.bl-head{
  padding:0 0 22px;border-bottom:1px solid var(--line);text-align:center;
  background:linear-gradient(180deg,#fdfdfd,#f7f6f4);
}
.bl-head.has-cover{
  padding-top:150px;position:relative;
  background:url("../assets/img/blog-cover.jpg") center/cover no-repeat;
}
.bl-head.has-cover::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,20,30,.30),rgba(10,20,30,.62));
}
.bl-head.has-cover .bl-title,
.bl-head.has-cover .bl-sub{position:relative;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.bl-title{font-family:var(--serif);font-size:26px;color:var(--txt);letter-spacing:4px;font-weight:700;padding-top:28px}
.bl-head.has-cover .bl-title{padding-top:0}
.bl-sub{font-size:11.5px;color:var(--txt-3);margin-top:8px;letter-spacing:2.5px}
.bl-body{padding:24px 28px 50px;max-width:680px;margin:0 auto}
.bl-post{border-bottom:1px solid rgba(0,0,0,.07);padding:22px 0;cursor:pointer}
.bl-post:hover .t{color:var(--pink)}
.bl-post .t{font-family:var(--serif);font-size:18px;color:var(--txt);font-weight:700;margin-bottom:8px;letter-spacing:.5px;transition:color .15s}
.bl-post .m{font-size:11.5px;color:var(--txt-3);margin-bottom:10px;font-family:var(--mono)}
.bl-post .e{font-size:13px;color:var(--txt-2);line-height:1.9}
.bl-full .t{font-family:var(--serif);font-size:22px;color:var(--txt);font-weight:700;line-height:1.5;margin-bottom:10px;letter-spacing:.5px}
.bl-full .m{font-size:11.5px;color:var(--txt-3);margin-bottom:22px;font-family:var(--mono)}
.bl-full .e{font-family:var(--serif);font-size:15px;line-height:2.1;color:#33363b;white-space:pre-wrap}
.bl-full .e .kw{color:var(--pink);font-weight:700;border-bottom:1px solid rgba(176,82,125,.45)}

/* 委托信：一张真的信纸 */
.win[data-app="brief"] .win-body{background:linear-gradient(180deg,#f3f1ec,#e9e6df)}
.win[data-app="brief"] .bl-head{background:none;border:none;padding-top:8px}
.win[data-app="brief"] .bl-title{font-family:var(--serif);letter-spacing:2px;padding-top:10px}
.win[data-app="brief"] .bl-full .e{font-family:var(--serif);color:#3a3630}
.win[data-app="brief"] .btn.primary{box-shadow:0 1px 3px rgba(0,0,0,.2)}

/* ============================================================
   模态 / 结局
   ============================================================ */
.modal{
  position:fixed;inset:0;z-index:8000;display:flex;align-items:center;justify-content:center;
  background:rgba(20,22,26,.46);backdrop-filter:blur(8px) saturate(140%);-webkit-backdrop-filter:blur(8px) saturate(140%);
  padding:24px;
}
.modal-card{
  width:min(660px,94vw);max-height:86vh;overflow:auto;background:#fff;
  border-radius:14px;box-shadow:0 40px 100px rgba(0,0,0,.5), 0 0 0 .5px rgba(0,0,0,.2);
  animation:winIn .3s cubic-bezier(.2,.9,.3,1);padding:30px 34px;
}
.modal-card h2{font-size:22px;margin-bottom:6px;color:var(--txt);letter-spacing:.5px}
.modal-card .sub{font-size:12px;color:var(--txt-3);margin-bottom:22px;letter-spacing:1px}
.modal-card p{font-size:13.5px;line-height:1.95;color:var(--txt-2);margin-bottom:14px}
.modal-card p b{color:var(--txt)}
.modal-card .acts{display:flex;gap:11px;justify-content:flex-end;margin-top:24px;flex-wrap:wrap}
.modal-card .field{margin-bottom:14px}
.modal-card label{display:block;font-size:12px;color:var(--txt-2);margin-bottom:6px}

.ending{text-align:center}
.ending .glyph{color:var(--blue);margin-bottom:14px}
.ending h2{font-family:var(--serif);font-size:28px;letter-spacing:8px;color:var(--txt)}
.ending .sub{margin-bottom:20px}
.ending .line{font-family:var(--serif);font-size:15px;line-height:2.1;color:#33363b;text-align:left;margin:16px 0}
.ending .quote{
  display:block;font-family:var(--serif);font-size:14px;line-height:2.05;color:#2f4a5e;
  border:1px solid rgba(10,108,255,.22);background:#f2f8ff;border-radius:12px;
  padding:18px 20px;margin:22px 0;text-align:left;white-space:pre-wrap;
}
.ending .quote .who{color:var(--txt-3);font-size:11px;display:block;margin-top:14px;letter-spacing:1px}

/* 结局二选一 */
.choices{display:grid;gap:10px;margin-top:6px;text-align:left}
.choice{
  display:flex;align-items:center;gap:13px;width:100%;text-align:left;cursor:pointer;
  padding:14px 16px;border-radius:12px;border:1px solid rgba(0,0,0,.14);
  background:linear-gradient(180deg,#fff,#f7f7f8);
  transition:background .15s,border-color .15s,transform .15s,box-shadow .15s;
}
.choice:hover{border-color:var(--blue);background:#f2f8ff;transform:translateY(-1px);box-shadow:0 4px 14px rgba(10,108,255,.14)}
.choice .ci{
  width:42px;height:42px;border-radius:10px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(180deg,#3a90ff,#0a6cff);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 1px 3px rgba(0,0,0,.2);
}
.choice .ct{display:flex;flex-direction:column;gap:3px;min-width:0}
.choice .ct b{font-size:14px;color:var(--txt);font-weight:600}
.choice .ct i{font-size:11.5px;color:var(--txt-3);font-style:normal;line-height:1.6}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:22px 0}
.stat{background:#f7f7f8;border:1px solid rgba(0,0,0,.09);border-radius:11px;padding:14px}
.stat .v{font-size:19px;color:#0a4fb0;font-family:var(--mono);font-weight:600}
.stat .l{font-size:11px;color:var(--txt-3);margin-top:4px;letter-spacing:.5px}
.ach{
  display:flex;align-items:center;gap:11px;padding:10px 13px;border:1px solid rgba(0,0,0,.10);
  border-radius:10px;margin-bottom:8px;font-size:12.5px;color:var(--txt-3);background:#fafafa;
}
.ach.got{border-color:rgba(199,119,0,.35);background:#fff8e1;color:#7a5300}
.ach .i{display:flex;color:var(--txt-3)}
.ach.got .i{color:var(--amber)}
.ach b{color:inherit;font-weight:600}

/* ============================================================
   Toast
   ============================================================ */
.toast{
  position:fixed;left:50%;top:44px;transform:translateX(-50%) translateY(-16px);z-index:9000;
  display:flex;align-items:center;justify-content:center;gap:9px;
  background:rgba(250,250,252,.94);border:.5px solid rgba(0,0,0,.18);border-radius:11px;padding:11px 20px;
  font-size:13px;color:var(--txt);box-shadow:0 12px 40px rgba(0,0,0,.28);
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  opacity:0;pointer-events:none;transition:opacity .26s,transform .26s;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.good{border-color:rgba(29,157,85,.4);color:#116b39}
.toast.good .ic{color:var(--green)}
.toast.bad{border-color:rgba(217,58,43,.4);color:#9c2a1e}
.toast.bad .ic{color:var(--red)}
.toast.warn{border-color:rgba(199,119,0,.4);color:#7a5300}
.toast.warn .ic{color:var(--amber)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:860px){
  .win{position:fixed !important;left:2% !important;top:40px !important;width:96% !important;height:calc(100% - 128px) !important;min-width:0}
  .ml-wrap{flex-direction:column}
  .ml-side{width:100%;border-right:none;border-bottom:1px solid var(--line);display:flex;overflow-x:auto}
  .ml-folder{padding:8px 14px;white-space:nowrap}
  .ml-folder.on{border-bottom:2px solid var(--blue)}
  .ml-list{max-height:200px;flex:0 0 auto;border-right:none;border-bottom:1px solid var(--line)}
  .desk-icons{grid-template-columns:72px;gap:4px}
  .desk-icon{width:72px}
  .desk-icon .ico .app-tile{width:34px !important;height:34px !important}
  .mb-left .mb-item:not(:first-child){display:none}
  .stats{grid-template-columns:1fr}
  .modal-card{padding:24px 22px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}