/* 桌面界面：2000-2003 年旧 Windows、文件窗口与阶段二工具 */
.desktop-screen{background:#4d5947;font-family:'SimSun','宋体','NSimSun',serif}
.desktop-wallpaper{position:absolute;inset:0 0 42px;overflow:hidden;background:linear-gradient(to bottom,#7894a0 0 68%,#a8b2aa 68% 72%,#697653 72% 100%);filter:saturate(.72) contrast(1.03)}
.desktop-wallpaper:after{content:"";position:absolute;inset:72% 0 0;background:#526044}
.sky-halo{position:absolute;right:7%;top:7%;width:28vw;height:24vw;max-width:410px;max-height:350px;border-radius:45%;background:rgba(237,233,214,.53);filter:blur(22px);animation:halo-breathe 8s linear infinite}
.cloud{position:absolute;z-index:1;width:190px;height:46px;border-radius:45%;background:rgba(235,234,220,.58);filter:blur(7px);animation:cloud-drift 26s linear infinite alternate}.cloud:before,.cloud:after{content:"";position:absolute;bottom:14px;border-radius:45%;background:inherit}.cloud:before{left:31px;width:79px;height:77px}.cloud:after{left:93px;width:61px;height:59px}.cloud-one{top:17%;left:6%}.cloud-two{top:35%;left:53%;transform:scale(.7);animation-duration:22s}.cloud-three{top:11%;left:76%;transform:scale(.55);animation-duration:30s}
.waterline{position:absolute;z-index:2;top:72%;width:100%;height:4%;border-top:1px solid rgba(239,237,224,.48);border-bottom:1px solid rgba(94,110,99,.31);background:rgba(220,226,215,.23);animation:water-shimmer 3s linear infinite}.grass-stain{position:absolute;z-index:3;left:39%;bottom:3%;width:29%;height:13%;border-radius:45%;background:rgba(111,49,43,.09);filter:blur(22px);animation:grass-pollution 7s linear infinite}.wallpaper-label{position:absolute;z-index:4;right:19px;bottom:17px;color:rgba(30,37,31,.33);font:10px 'Courier New',monospace;letter-spacing:1px}.scanline-overlay{position:absolute;inset:0;z-index:40;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg width='4' height='4' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 1h4' stroke='%230a0a0a' stroke-opacity='.13'/%3E%3C/svg%3E");opacity:.42}
.desktop-icons{position:absolute;z-index:41;top:27px;left:23px;display:flex;flex-direction:column;gap:22px}.desktop-icon{position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;width:79px;padding:0;background:transparent;color:#f0eee5;font:12px 'SimSun','宋体',serif;text-shadow:1px 1px 1px rgba(10,10,10,.8);transition:transform .14s cubic-bezier(.4,0,.2,1)}.desktop-icon:nth-child(3n){left:1px}.desktop-icon:hover{transform:translate(1px,-1px)}.desktop-icon:focus-visible{outline:1px dotted #f0eee5;outline-offset:2px}.desktop-icon .icon-glyph{background:#9a8148}.icon-browser .icon-glyph{background:#496b7e}.icon-recycle .icon-glyph{background:#777a72}.icon-folder .icon-glyph{background:#555c56}
.window-layer{position:absolute;z-index:8;inset:0 0 42px;pointer-events:none}.game-window{position:absolute;pointer-events:auto;width:min(420px,calc(100vw - 131px));max-width:calc(100vw - 14px);min-height:230px;overflow:hidden;border:1px solid #6c6961;border-top-color:#dcd8cc;border-left-color:#d1cdc1;border-right-color:#57554f;border-bottom-color:#4f4d48;border-radius:1px;background:#d4d0c5;color:#202d3b;box-shadow:5px 6px 0 rgba(28,31,29,.25);animation:window-open .22s cubic-bezier(.4,0,.2,1) both}.game-window.is-closing{animation:window-close .18s steps(5) forwards}.window-titlebar{display:flex;align-items:center;justify-content:space-between;height:25px;padding:3px 5px 3px 7px;border-bottom:1px solid #ece8dd;background:linear-gradient(90deg,#24466b,#56728a);color:#f3f1e8;cursor:grab;user-select:none}.window-titlebar:active{cursor:grabbing}.window-title{overflow:hidden;font:bold 12px 'SimSun','宋体',serif;letter-spacing:0;text-overflow:ellipsis;white-space:nowrap}.window-close{width:18px;height:17px;padding:0;border:1px solid #6c6962;border-top-color:#eeeade;border-left-color:#eeeade;border-radius:0;background:#c9c4b8;color:#1f2b36;font:bold 12px Tahoma,sans-serif;line-height:13px;box-shadow:inset 0 1px #ded9ce}.window-close:active{left:1px;top:1px;border-style:inset}.window-content{margin:3px;padding:21px 17px 27px;border:1px solid #858178;border-top-color:#757269;border-left-color:#77736b;border-right-color:#e6e2d6;border-bottom-color:#ece8dc;background:#e8e6dd;color:#363e42;font:13px/1.5 'SimSun','宋体',serif}.window-content p{margin:0}.window-content small{display:block;margin-top:13px;color:#696b65;font:11px 'SimSun','宋体',serif}
.system-notification{position:absolute;z-index:45;right:17px;bottom:57px;width:min(300px,calc(100vw - 35px));padding:10px 12px;border:1px solid #706d66;border-top-color:#eeeade;border-left-color:#e3dfd4;border-radius:0;background:#e1ded5;color:#293449;font:11px 'SimSun','宋体',serif;box-shadow:4px 5px 0 rgba(27,30,28,.24);transform:translateX(120%)}.system-notification.is-visible{animation:notification-slide-in .22s cubic-bezier(.4,0,.2,1) forwards}.system-notification.is-leaving{animation:notification-slide-out .18s steps(5) forwards}.taskbar{position:absolute;z-index:50;bottom:0;left:0;right:0;height:42px;display:flex;align-items:center;gap:13px;padding:0 9px;border-top:1px solid #a7afa1;background:#3c4b42;color:#e3dfd1;font:11px 'SimSun','宋体',serif}.start-button{left:1px;padding:4px 11px 4px 9px;border:1px solid #4f5a4d;border-top-color:#9ca996;border-left-color:#919e8c;border-radius:0;background:#5b6857;color:#ece6d5;font:bold 12px 'SimSun','宋体',serif;box-shadow:inset 0 1px #778473}.start-button:hover{background:#667361}.start-button:active{left:2px;top:1px;border-style:inset}.start-logo{margin-right:5px;color:#c5a657}.taskbar-divider{width:1px;height:21px;background:#242e28;border-right:1px solid #758075}.taskbar-status{color:#c0c7b7;font-size:10px}.taskbar-status i{display:inline-block;width:7px;height:7px;margin-right:5px;border-radius:45%;background:#b39a55}.taskbar time{margin-left:auto;letter-spacing:1px}
/* 阶段二：旧式文件系统、查看器与谜题窗口 */
.file-address{display:flex;gap:7px;align-items:center;padding:5px;background:#c6c2b7;border:1px solid #858178;border-top-color:#716e67;border-left-color:#716e67;border-right-color:#ece8dd;border-bottom-color:#ece8dd;font:11px 'Courier New',monospace}.file-address span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-address button,.file-sidebar button,.room-clue-grid button,.audio-actions button,.viewer-toolbar button,.puzzle-submit{position:relative;left:1px;padding:3px 7px 4px;border:1px solid #747169;border-top-color:#f0ece1;border-left-color:#e7e3d8;background:#d3cfc4;color:#283544;font:11px 'SimSun','宋体',serif;box-shadow:inset 0 1px #e6e2d7}.file-address button:active,.file-sidebar button:active,.room-clue-grid button:active,.audio-actions button:active,.viewer-toolbar button:active,.puzzle-submit:active{left:2px;top:1px;border-style:inset}.file-manager-body{display:grid;grid-template-columns:123px 1fr;min-height:221px;margin-top:7px;border:1px solid #858178;background:#eeece4}.file-sidebar{display:flex;flex-direction:column;gap:5px;padding:7px;border-right:1px solid #9d998f;background:#d5d1c7}.file-sidebar button{text-align:left}.file-sidebar button:nth-child(3){left:2px}.file-list{display:flex;flex-direction:column;gap:3px;padding:7px;overflow:auto}.file-row{display:grid;grid-template-columns:25px 1fr auto;align-items:center;gap:7px;padding:5px 7px;border:1px solid transparent;background:transparent;color:#293943;text-align:left;font:12px 'SimSun','宋体',serif}.file-row:nth-child(3n){background:#ebe9e1}.file-row:hover,.file-row.is-selected{border-color:#27466d;background:#315c87;color:#f2f0e8}.file-row b{font-size:17px;color:#92743a}.file-row small{font-size:10px;opacity:.75}.file-status{margin:5px 0 0;color:#686a64;font:10px 'Courier New',monospace}.text-viewer{max-height:320px;margin:0;overflow:auto;white-space:pre-wrap;color:#323a3d;font:13px/1.8 'SimSun','宋体',serif}
.image-stage{position:relative;height:291px;display:grid;place-items:center;overflow:hidden;border:1px solid #77746c;border-top-color:#5f5d57;border-left-color:#5f5d57;background:#171a19;cursor:grab;box-shadow:inset 0 0 22px rgba(10,10,10,.6)}.image-stage:after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 24px rgba(10,10,10,.5)}.image-stage img{max-width:100%;max-height:100%;filter:brightness(.92) contrast(.96) sepia(.08) saturate(.85);transform-origin:center;user-select:none}.viewer-exif{position:absolute;z-index:2;right:7px;bottom:9px;max-width:80%;padding:3px 6px;background:rgba(15,17,16,.8);color:#d1c6aa;font:10px 'Courier New',monospace;opacity:0;transition:opacity .12s linear}.image-stage:hover .viewer-exif{opacity:1}.viewer-toolbar{display:flex;align-items:center;gap:7px;margin-top:7px;padding-top:5px;border-top:1px solid #aaa69c;font:10px 'SimSun','宋体',serif}.viewer-size{margin-left:auto}.recursive-frame{position:absolute;z-index:2;inset:29px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;border:4px solid #293d45;background:#687d7f;color:#eee8d5;font:12px 'Courier New',monospace;box-shadow:0 0 0 1px #b69a51}.recursive-frame b{font:25px Georgia,'SimSun',serif;letter-spacing:7px}.recursive-frame i{color:#d1b263;font-style:normal}
.audio-player{font-family:'SimSun','宋体',serif}.audio-readout{display:flex;justify-content:space-between;color:#4d5b60;font-size:11px}.audio-player input{width:100%;accent-color:#375b75}.audio-actions{display:flex;gap:7px;margin:9px 0 11px}.waveform{display:flex;align-items:center;gap:3px;height:79px;padding:7px;border:1px solid #77746b;border-top-color:#5e5c56;border-left-color:#5e5c56;background:#1c282b}.waveform i{display:block;flex:1;height:var(--h);background:#718f96}.audio-player.reversed{padding:7px;border:1px solid #a38743;box-shadow:0 0 17px rgba(201,168,76,.18)}.audio-player.reversed .waveform{transform:scaleX(-1)}.audio-player.reversed .audio-readout{color:#9b7e3d}.audio-caption{margin:7px 0 0;color:#686f68;font-size:10px}.room-clue-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.room-clue-grid button{min-height:51px}.room-hint{margin:13px 0 0;color:#746b60;font:11px 'SimSun','宋体',serif}.puzzle-prompt{margin:0 0 9px;font:12px 'SimSun','宋体',serif}.puzzle-input{width:100%;padding:7px;border:1px solid #71869a;border-radius:0;background:#f2f0e8;color:#283544;font:16px 'Courier New',monospace;letter-spacing:7px}.puzzle-submit{margin-top:7px}.puzzle-feedback{min-height:17px;margin:9px 0 0;color:#74493b;font:11px 'SimSun','宋体',serif}.anomaly-message{padding:25px 9px;text-align:center;color:#8c713d;font:14px/1.8 Georgia,'SimSun',serif;letter-spacing:2px}.fifth-icon{animation:icon-materialize 2s steps(15) both}.icon-recycle.has-anomaly{animation:recycle-distort .8s steps(6)}.icon-recycle.has-anomaly:after{content:"";position:absolute;width:7px;height:7px;margin:41px 0 0 30px;border-radius:45%;background:#722a27}.desktop-warp{animation:desktop-warp .16s steps(2)}.password-actions{display:flex;flex-wrap:wrap;gap:7px}.password-actions button{position:relative;left:1px;padding:4px 9px;border:1px solid #736f67;border-top-color:#ece8dc;border-left-color:#e6e2d6;background:#d3cfc4;color:#283544;font:11px 'SimSun','宋体',serif;box-shadow:inset 0 1px #e6e2d7}
@keyframes halo-breathe{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:.84;transform:scale(1.06)}}@keyframes cloud-drift{from{margin-left:-19px}to{margin-left:79px}}@keyframes water-shimmer{0%,100%{opacity:.33;transform:translateX(0)}50%{opacity:.54;transform:translateX(7px)}}@keyframes grass-pollution{0%,100%{opacity:.35}50%{opacity:.85}}@keyframes window-open{0%{opacity:0;transform:scale(.92) translate(-3px,2px)}70%{opacity:1;transform:scale(1.01)}100%{transform:scale(1)}}@keyframes window-close{to{opacity:0;transform:scale(.88)}}@keyframes notification-slide-in{to{transform:translateX(0)}}@keyframes notification-slide-out{to{transform:translateX(120%)}}@keyframes icon-materialize{0%{opacity:0;transform:scale(.3);filter:blur(7px)}60%{opacity:1;transform:scale(1.1)}100%{transform:scale(1)}}@keyframes recycle-distort{0%,100%{transform:skewY(0)}50%{transform:skewY(3deg)}}@keyframes desktop-warp{50%{transform:skewX(2deg)}}
@media(max-width:700px){.boot-copy h1{font-size:31px}.crt-monitor{width:90vw}.desktop-icons{left:11px}.game-window{width:calc(100vw - 119px)}.file-manager-body{grid-template-columns:101px 1fr}.window-content{padding:13px 11px 19px}}
.audio-toggle{position:relative;left:1px;padding:3px 7px;border:1px solid #4f5a4d;border-top-color:#9ca996;border-left-color:#919e8c;border-radius:0;background:#4a584b;color:#d7d3c5;font:10px 'SimSun','宋体',serif}.audio-toggle:active{left:2px;top:1px;border-style:inset}
.audio-volume{width:67px;height:13px;accent-color:#9d8749}
/* 阶段四：手机图标与回收站未读徽章 */
.icon-recycle.has-anomaly:after{content:"1";width:13px;height:13px;margin:34px 0 0 28px;border:1px solid #e4d7c0;border-radius:45%;color:#f5f5f0;font:10px/13px 'Courier New',monospace;text-align:center}
.phone-icon .icon-phone-visual{background:#9b9e9d;border-color:#e0e0d8;color:#e8f0e3;text-shadow:1px 1px #59605d}.phone-icon:hover .icon-phone-visual{box-shadow:0 0 14px rgba(113,177,105,.35)}
.cdrive-icon .icon-cdrive-visual{display:grid;place-items:center;width:40px;height:27px;border:1px solid #6e716e;border-top-color:#e2e0d7;border-left-color:#d6d5cc;background:#7e8581;color:#e9e6d8;font:17px 'Courier New',monospace;box-shadow:inset 0 1px #aeb2ab,2px 3px 0 rgba(20,27,25,.24)}
.leave-desktop .desktop-wallpaper{filter:grayscale(.85) brightness(.62) saturate(.35)}
.leave-desktop .desktop-icons{top:31px;left:27px}
.leave-note-icon .icon-visual{display:grid;place-items:center;width:34px;height:28px;border:1px solid #7a786f;background:#d3cfc4;color:#5e625b;font:18px 'Courier New',monospace}
.locked-file-note{color:#8b1a1a!important;font-style:italic}
.recoverable-file{border-color:#9b7e3d!important;background:#eee4c8!important;color:#5d4b2d!important}.recoverable-file small{color:#8b1a1a;font-weight:bold}
.room-reset{margin-top:13px;padding-top:9px;border-top:1px solid #aaa69e;text-align:right}.room-reset button{position:relative;left:1px;padding:4px 9px;border:1px solid #8b1a1a;border-top-color:#f0e9df;border-left-color:#e9e3d8;background:#d9c4bb;color:#74211d;font:11px 'SimSun','宋体',serif}.room-reset button:active{left:2px;top:1px;border-style:inset}