/* Minimal 前台 - 温润精简 · 米白 + 衬线 + 留白 */
:root{
    --m-bg:#FAF9F7;--m-fg:#3A2F26;--m-border:#E5E2DC;--m-accent:#A88A6E;
    --m-card:#FFFFFF;--m-muted:#8A7E72;--m-hover:#F1ECE4;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:'Source Serif 4',Georgia,serif;font-size:16px;line-height:1.65;color:var(--m-fg);background:var(--m-bg);user-select:none;-webkit-user-select:none}
input,textarea,select{user-select:text;-webkit-user-select:text}
a{color:var(--m-accent);text-decoration:none}
a:hover{text-decoration:underline}
.m-body{min-height:100vh;display:flex;flex-direction:column}

/* 头部 */
.m-header{border-bottom:1px solid var(--m-border);background:var(--m-card)}
.m-header-inner{max-width:880px;margin:0 auto;padding:18px 24px;display:flex;align-items:center;gap:32px}
.m-logo{font-family:'Source Serif 4',serif;font-size:20px;font-weight:600;color:var(--m-fg);letter-spacing:.02em}
.m-nav{flex:1;display:flex;gap:24px}
.m-nav a{font-family:'Inter',sans-serif;font-size:14px;color:var(--m-muted)}
.m-nav a:hover{color:var(--m-accent);text-decoration:none}
.m-lang{display:flex;gap:6px;font-family:'Inter',sans-serif;font-size:12px}
.m-lang a{padding:4px 8px;color:var(--m-muted);border:1px solid transparent;border-radius:4px}
.m-lang a.on{color:var(--m-accent);border-color:var(--m-border);background:var(--m-hover)}

/* 公告 */
.m-announce{max-width:880px;margin:24px auto 0;padding:0 24px;font-size:13px}
.m-announce-item{padding:10px 14px;background:var(--m-card);border-left:3px solid var(--m-accent);border-radius:2px;display:flex;gap:10px;align-items:baseline;animation:fadeIn .4s}
.m-announce-tag{font-family:'Inter',sans-serif;font-size:11px;color:var(--m-accent);background:var(--m-hover);padding:1px 8px;border-radius:10px;letter-spacing:.05em;text-transform:uppercase}
.m-announce-content{color:var(--m-muted)}

/* 主区 */
.m-main{flex:1;max-width:880px;width:100%;margin:0 auto;padding:48px 24px}
.m-h1{font-size:32px;font-weight:600;line-height:1.3;margin-bottom:12px}
.m-lead{font-size:16px;color:var(--m-muted);margin-bottom:36px}

/* 首页 */
.m-home{text-align:center}
.m-home .m-lead{margin-bottom:48px}
.m-rooms{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}
.m-room-card{display:block;text-align:left;background:var(--m-card);border:1px solid var(--m-border);border-radius:8px;padding:32px;transition:all .25s;color:var(--m-fg)}
.m-room-card:hover{text-decoration:none;border-color:var(--m-accent);transform:translateY(-2px);box-shadow:0 4px 16px rgba(168,138,110,.08)}
.m-room-tag{display:inline-block;background:var(--m-accent);color:#fff;font-family:'Inter',sans-serif;font-weight:600;font-size:12px;padding:4px 12px;border-radius:4px;margin-bottom:16px;letter-spacing:.1em}
.m-room-name{font-size:24px;font-weight:600;margin-bottom:8px}
.m-room-desc{color:var(--m-muted);margin-bottom:8px;font-size:14px}
.m-room-desc strong{color:var(--m-accent);font-weight:600}
.m-room-meta{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--m-muted);opacity:.7}
.m-os-list{font-family:'Inter',sans-serif;font-size:13px;color:var(--m-muted);padding:24px 0;border-top:1px solid var(--m-border)}
.m-os-list .m-os-label{margin-bottom:8px;font-weight:500}
.m-os-list span{margin:0 8px}

/* 机房页面 */
.m-page-head{display:flex;align-items:center;gap:16px;margin-bottom:36px}
.m-page-head .m-h1{margin-bottom:4px;font-size:28px}
.m-page-head .m-lead{margin-bottom:0;font-size:14px}

/* 表单 */
.m-form{background:var(--m-card);border:1px solid var(--m-border);border-radius:8px;padding:32px;margin-bottom:24px}
.m-fr{margin-bottom:20px}
.m-fr label{display:block;font-family:'Inter',sans-serif;font-size:13px;font-weight:500;color:var(--m-fg);margin-bottom:6px}
.m-fr input,.m-fr select,.m-fr textarea{width:100%;padding:10px 12px;font-family:'JetBrains Mono',monospace;font-size:14px;border:1px solid var(--m-border);border-radius:4px;background:var(--m-bg);color:var(--m-fg);transition:border-color .2s}
.m-fr input:focus,.m-fr select:focus,.m-fr textarea:focus{outline:0;border-color:var(--m-accent)}
.m-fr select{font-family:'Inter',sans-serif}
.m-fr-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.m-fr-2>div{margin-bottom:0}
.m-fr-k{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.m-fr-k>div{margin-bottom:0}

.m-btn{display:inline-block;padding:12px 32px;background:var(--m-accent);color:#fff;border:0;border-radius:4px;font-family:'Inter',sans-serif;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}
.m-btn:hover{background:#8e7257}

.m-btn-sm{padding:6px 14px;background:var(--m-bg);color:var(--m-fg);border:1px solid var(--m-border);border-radius:4px;font-family:'Inter',sans-serif;font-size:12px;cursor:pointer;transition:all .2s}
.m-btn-sm:hover{background:var(--m-accent);color:#fff;border-color:var(--m-accent)}

/* 输出 */
.m-output-wrap{background:var(--m-card);border:1px solid var(--m-border);border-radius:8px;overflow:hidden;animation:fadeIn .4s}
.m-output-head{padding:14px 20px;background:var(--m-hover);border-bottom:1px solid var(--m-border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.m-output-count{font-family:'Inter',sans-serif;font-size:13px;color:var(--m-muted)}
.m-output-actions{display:flex;gap:8px}
.m-output{padding:20px;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.6;color:var(--m-fg);background:var(--m-bg);max-height:560px;overflow:auto;white-space:pre;word-wrap:normal;user-select:text;-webkit-user-select:text}

.m-err{padding:12px 16px;background:#FBE9E7;border-left:3px solid #C84B3A;color:#7A2418;font-size:13px;border-radius:4px;margin-top:16px;animation:fadeIn .3s}

/* 广告 */
.m-ad-wrap{max-width:880px;margin:48px auto 0;padding:0 24px;text-align:center}
.m-ad-img{max-width:100%;border-radius:6px;display:inline-block}

/* 底部 */
.m-footer{margin-top:64px;padding:32px 24px;border-top:1px solid var(--m-border);background:var(--m-card);text-align:center}
.m-friends{margin-bottom:12px;font-family:'Inter',sans-serif;font-size:13px}
.m-friends-label{color:var(--m-muted);margin-right:8px}
.m-friends a{margin:0 8px;color:var(--m-accent)}
.m-copy{font-family:'Inter',sans-serif;font-size:12px;color:var(--m-muted)}

@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* 移动端 */
@media(max-width:768px){
    .m-header-inner{padding:14px 16px;gap:16px;flex-wrap:wrap}
    .m-nav{order:3;flex:1 0 100%;gap:16px;margin-top:8px}
    .m-main{padding:32px 16px}
    .m-h1{font-size:24px}
    .m-rooms{grid-template-columns:1fr}
    .m-fr-2,.m-fr-k{grid-template-columns:1fr}
    .m-form{padding:20px}
    .m-output{font-size:12px;padding:14px}
}