/* ============ 共享设计令牌与基础（mn.3dmgame-s.com.cn） ============ */
:root{
  --bg:#120d09;
  --bg-2:#1b140e;
  --bg-3:#241a11;
  --panel:#1e1610;
  --line:#3a2c1c;
  --gold:#c9a24b;
  --gold-bright:#e8c876;
  --gold-dim:#8a6f3a;
  --red:#a63a2b;
  --red-bright:#d05a3f;
  --text:#ece1c8;
  --text-dim:#a99a7d;
  --ok:#7fae6b;
  --serif:"Songti SC","STSong","Noto Serif SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  background-image:
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(201,162,75,.12), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.015) 0 1px, transparent 1px 4px);
}
a{color:var(--gold-bright);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
img,svg{display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.4}
h2{font-size:26px;color:var(--gold-bright);margin-bottom:18px;display:flex;align-items:center;gap:12px}
h2::before{content:"";width:6px;height:26px;background:linear-gradient(180deg,var(--gold-bright),var(--red));border-radius:2px;flex:none}
h3{font-size:18px;color:var(--gold-bright)}
section{padding:40px 0}
.muted{color:var(--text-dim)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg,#c9a24b,#9a7634);
  color:#1a1208;font-weight:700;padding:11px 24px;border-radius:4px;border:none;
  cursor:pointer;font-size:15px;transition:transform .15s,filter .2s;
}
.btn:hover{filter:brightness(1.12);color:#1a1208;transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--gold-dim);color:var(--gold-bright)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ============ 顶部公告条 ============ */
.topbar{background:#0c0805;border-bottom:1px solid var(--line);font-size:13px}
.topbar .wrap{display:flex;align-items:center;gap:14px;min-height:40px}
.topbar .clock{color:var(--gold);white-space:nowrap;font-variant-numeric:tabular-nums}
.marquee{flex:1;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent)}
.marquee-track{display:inline-block;white-space:nowrap;animation:mq 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{margin-right:56px;color:var(--text-dim)}
.marquee-track b{color:var(--gold-bright);font-weight:600}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============ 导航 ============ */
header{position:sticky;top:0;z-index:50;background:rgba(18,13,9,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand .seal{width:40px;height:40px;border:1px solid var(--gold);border-radius:6px;display:flex;align-items:center;justify-content:center;background:var(--bg-2)}
.brand .seal svg{width:24px;height:24px}
.brand .name{font-family:var(--serif);font-size:20px;color:var(--gold-bright);font-weight:700}
.brand .sub{font-size:11px;color:var(--text-dim);letter-spacing:2px}
.menu{display:flex;gap:6px;list-style:none}
.menu a{display:block;padding:9px 16px;color:var(--text);border-radius:4px;font-size:15px}
.menu a:hover,.menu a.active{color:var(--gold-bright);background:var(--bg-3)}
.menu a.active{border-bottom:2px solid var(--gold)}
.burger{display:none;background:none;border:1px solid var(--gold-dim);border-radius:4px;padding:8px 10px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--gold-bright);margin:4px 0}

/* ============ 页头小标题区（内页） ============ */
.page-head{padding:40px 0 10px}
.page-head h1{font-size:30px;color:#f3e6c4;margin-bottom:10px}
.page-head h1 em{font-style:normal;color:var(--gold-bright)}
.page-head .crumb{font-size:13.5px;color:var(--text-dim)}
.page-head .crumb a{color:var(--gold)}

/* ============ 表格 ============ */
.table-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:760px}
.table-toolbar{display:flex;gap:12px;align-items:center;padding:14px 16px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.table-toolbar input{background:var(--bg);border:1px solid var(--line);border-radius:4px;color:var(--text);padding:9px 12px;min-width:220px;font-size:16px}
.table-toolbar .hint{color:var(--text-dim);font-size:13px;margin-left:auto}
col.c-time{width:15%}col.c-name{width:19%}col.c-ver{width:13%}col.c-feat{width:29%}col.c-status{width:11%}col.c-go{width:13%}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;word-break:break-word}
th{background:var(--bg-3);color:var(--gold);font-weight:600;font-size:13.5px}
.status-tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12.5px;white-space:nowrap}
.st-open{background:rgba(127,174,107,.15);color:var(--ok)}
.st-soon{background:rgba(201,162,75,.15);color:var(--gold-bright)}
.st-off{background:rgba(166,58,43,.18);color:var(--red-bright)}
.go-link{font-size:13.5px;white-space:nowrap}
.table-foot{padding:14px 16px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}

/* ============ 筛选 chips ============ */
.chips{display:flex;gap:8px;flex-wrap:wrap;padding:14px 16px;border-bottom:1px solid var(--line)}
.chip{padding:6px 14px;border:1px solid var(--line);border-radius:16px;font-size:13.5px;color:var(--text-dim);cursor:pointer;background:var(--bg);transition:all .15s}
.chip:hover{color:var(--gold-bright);border-color:var(--gold-dim)}
.chip.active{background:linear-gradient(180deg,#c9a24b,#9a7634);color:#1a1208;border-color:transparent;font-weight:600}
.empty-row td{text-align:center;color:var(--text-dim);padding:30px}

/* ============ 版本卡片 ============ */
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ver-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px;transition:border-color .2s,transform .15s;display:block;color:var(--text)}
.ver-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.ver-card h3{margin-bottom:8px}
.ver-card p{font-size:13.5px;color:var(--text-dim)}
.ver-card .tag{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--gold)}
.metric{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.metric span{font-size:12.5px;color:var(--text-dim);border:1px solid var(--line);border-radius:4px;padding:2px 8px}

/* ============ 资讯 ============ */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.news-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;color:var(--text)}
.news-item .n-head{display:flex;gap:16px}
.news-item .n-date{flex:none;width:64px;text-align:center;border-right:1px solid var(--line);padding-right:14px}
.news-item .n-date .d{font-family:var(--serif);font-size:24px;color:var(--gold-bright);font-weight:700}
.news-item .n-date .m{font-size:12.5px;color:var(--text-dim)}
.news-item h3{margin-bottom:6px;font-size:16.5px}
.news-item p{font-size:13.5px;color:var(--text-dim)}
.news-item .n-more{margin-top:10px;font-size:13.5px;color:var(--gold);cursor:pointer;background:none;border:none;padding:0}
.news-body{display:none;margin-top:12px;border-top:1px dashed var(--line);padding-top:12px;color:var(--text-dim);font-size:14.5px}
.news-item.open .news-body{display:block}
.news-item.open .n-more::after{content:" 收起"}

/* ============ 信任模块 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px;text-align:center}
.trust svg{width:34px;height:34px;margin:0 auto 10px}
.trust h3{font-size:16px;margin-bottom:6px}
.trust p{font-size:13px;color:var(--text-dim)}

/* ============ 深度写作 ============ */
.deep{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:28px}
.deep p{margin-bottom:14px;color:var(--text-dim);font-size:15px}
.deep p strong{color:var(--text)}
.deep h3{margin:22px 0 10px}
.deep ul{margin:6px 0 14px 22px;color:var(--text-dim)}
.deep li{margin-bottom:6px}

/* ============ 步骤时间轴（关于页） ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px;position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--serif);font-size:30px;color:var(--gold-dim);font-weight:700;display:block;margin-bottom:8px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--text-dim)}

/* ============ 表单 ============ */
.form-card{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:24px;max-width:640px}
.form-card label{display:block;font-size:14px;color:var(--text-dim);margin:12px 0 6px}
.form-card input,.form-card textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:4px;color:var(--text);padding:10px 12px;font-size:16px;font-family:var(--sans)}
.form-card textarea{min-height:110px;resize:vertical}
.form-card .btn{margin-top:16px}

/* ============ 页脚 ============ */
footer{border-top:1px solid var(--line);background:#0c0805;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;padding:36px 0 24px}
.foot-col h4{font-family:var(--serif);color:var(--gold-bright);font-size:16px;margin-bottom:12px}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:8px}
.foot-col a{color:var(--text-dim);font-size:14px}
.foot-col a:hover{color:var(--gold-bright)}
.foot-col p{color:var(--text-dim);font-size:13.5px}
.copyright{border-top:1px solid var(--line);padding:16px 0;text-align:center;color:#6f6148;font-size:13px}

.toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:#241a11;border:1px solid var(--gold);color:var(--gold-bright);padding:12px 22px;border-radius:6px;opacity:0;pointer-events:none;transition:all .25s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:900px){
  .ver-grid{grid-template-columns:repeat(2,1fr)}
  .news-list{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .page-head h1{font-size:25px}
}
@media (max-width:640px){
  .topbar .clock{display:none}
  .topbar .wrap{gap:0}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#14100c;border-bottom:1px solid var(--line);padding:8px}
  .menu.open{display:flex}
  .burger{display:block}
  .ver-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  th,td{padding:10px 8px;font-size:13px}
  .table-toolbar input{min-width:100%;width:100%}
  .table-toolbar .hint{display:none}
}