/* 基础 & 排版（全部使用系统字体，无外部字体请求） */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:#0d0d0f;color:#e6e1d6;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;}
a{color:#f0c040;text-decoration:none}a:hover{color:#ffe58a}
.serif{font-family:Georgia,"Times New Roman","Songti SC","SimSun",serif}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,13,15,.92);backdrop-filter:blur(6px);border-bottom:1px solid rgba(201,169,92,.25);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:#f0c040;font-family:Georgia,"Songti SC","SimSun",serif;font-weight:700;font-size:24px;letter-spacing:2px;flex-shrink:0}
.brand img{height:44px;display:block}
.main-nav{display:flex;gap:32px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{color:#d8cfbe;font-size:15px;font-weight:500;position:relative;padding-bottom:4px;white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:#c9a95c;transition:width .25s}
.main-nav a:hover{color:#fff}.main-nav a:hover::after{width:100%}

/* Hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;justify-content:center;text-align:center;background-size:cover;background-position:center center;background-color:#14100a}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.hero-slide.on{opacity:1}
.hero-video{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover}
.hero-iframe{border:0;pointer-events:none}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(to bottom, rgba(13,13,15,.7), rgba(13,13,15,.2) 60%, rgba(13,13,15,.85))}
.hero-content{position:relative;z-index:2;max-width:1100px;width:100%;padding:40px 20px}
.hero h1{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(34px,5vw,64px);margin:0 0 18px;color:#f0c040;text-shadow:0 4px 24px rgba(0,0,0,.8);letter-spacing:2px}
.hero-desc{font-size:clamp(15px,2vw,20px);color:#111;font-weight:600;max-width:640px;margin:0 auto 40px;line-height:1.8}

/* 下载卡片（PC/安卓/iOS 图标 + 完整包/更新包） */
.download-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.dl-card{background:rgba(28,28,32,.92);border:1px solid rgba(201,169,92,.35);border-radius:10px;padding:20px;text-align:left;transition:transform .2s,border-color .2s}
.dl-card:hover{transform:translateY(-4px);border-color:#f0c040}
.dl-head{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:14px}
.dl-icon{width:18px;height:18px;color:#f0c040;flex-shrink:0}
.dl-name{font-family:Georgia,"Songti SC","SimSun",serif;font-size:18px;color:#f0c040;letter-spacing:1px}
.dl-pkg{display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(0,0,0,.32);border:1px solid rgba(201,169,92,.15);border-radius:8px;padding:10px 12px;margin-top:10px}
.pkg-info{min-width:0}
.pkg-info b{display:block;color:#e8dfc8;font-size:14px}
.pkg-info span{display:block;font-size:12px;color:#9e968a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-btn{flex-shrink:0;display:inline-block;color:#fff;font-weight:700;font-size:13px;padding:7px 18px;border-radius:5px;transition:filter .2s}
.dl-btn:hover{filter:brightness(1.2);color:#fff}
.dl-unavailable{color:#9e968a;font-size:13px;flex-shrink:0}
.dl-card.pc .dl-btn{background:#8b3a3a}
.dl-card.android .dl-btn{background:#3a7a5a}
.dl-card.ios .dl-btn{background:#3a5a7a}

/* 内容区 */
.section{padding:64px 20px}
.container{max-width:1200px;margin:0 auto}
.container.narrow{max-width:860px}
.section-title{font-family:Georgia,"Songti SC","SimSun",serif;font-size:28px;color:#f0c040;text-align:center;margin:0 0 40px;position:relative}
.section-title::after{content:"";display:block;width:60px;height:2px;background:#c9a95c;margin:12px auto 0}

/* 新闻卡片（首页） */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.news-card{background:#141418;border:1px solid rgba(201,169,92,.2);border-radius:8px;padding:22px;transition:border-color .2s}
.news-card:hover{border-color:#c9a95c}
.news-card .news-date{font-size:12px;color:#9e968a;margin-bottom:6px}
.news-card h3{color:#f0c040;font-size:17px;margin:0 0 10px}
.news-card p{color:#bbb;font-size:14px;margin:0;line-height:1.6}

/* 新闻列表页 */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-row{display:flex;align-items:center;gap:16px;padding:16px 18px;background:#141418;border:1px solid rgba(201,169,92,.15);border-radius:8px;transition:border-color .2s}
.news-row:hover{border-color:#c9a95c}
.news-row .news-date{color:#9e968a;font-size:13px;white-space:nowrap}
.news-row .news-title{color:#e6e1d6;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 新闻详情 */
.news-article h1{font-family:Georgia,"Songti SC","SimSun",serif;color:#f0c040;font-size:28px;margin:0 0 8px}
.news-article .meta{color:#9e968a;font-size:13px;margin-bottom:22px}
.news-article .content{color:#d8d0c4;font-size:15px;line-height:2;overflow-wrap:break-word}
.news-article .content img{max-width:100%;height:auto}
.news-article .content p{margin:0 0 14px}

/* 分页 */
.pagination{display:flex;gap:10px;justify-content:center;margin-top:30px}
.pagination a{padding:6px 14px;background:#141418;border:1px solid rgba(201,169,92,.2);color:#c9a95c;border-radius:4px;font-size:14px}
.pagination a.active{background:#c9a95c;color:#111;font-weight:700}

/* 子页面顶部 */
.sub-hero{position:relative;height:240px;display:flex;align-items:center;justify-content:center;text-align:center;background-size:cover;background-position:center 30%;background-color:#14100a}
.sub-hero-title{position:relative;z-index:2;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(24px,3.5vw,42px);color:#f0c040;text-shadow:0 4px 24px rgba(0,0,0,.8)}
.page-content{color:#d8d0c4;font-size:15px;line-height:2;overflow-wrap:break-word}
.page-content img{max-width:100%;height:auto}
.page-content h2,.page-content h3{color:#f0c040}
.page-content p{margin:0 0 14px}
.page-content ol{padding-left:22px}
.page-content li{margin-bottom:8px}

/* 悬浮按钮菜单 */
.float-menu{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:10px;user-select:none;-webkit-user-select:none;touch-action:none;cursor:grab}
.float-menu.dragging{cursor:grabbing;opacity:.85}
.fm-btn{display:block;min-width:118px;text-align:center;padding:12px 18px;color:#ffe9b0;font-weight:700;font-size:15px;letter-spacing:1px;
    background:linear-gradient(180deg,#8a6a2a 0%,#5d4718 100%);border:1px solid #c9a95c;border-radius:6px;
    text-shadow:0 1px 2px rgba(0,0,0,.8);box-shadow:0 4px 14px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.15);
    background-size:cover;background-position:center;transition:filter .15s}
.fm-btn:hover{filter:brightness(1.15);color:#fff}
.fm-btn.has-bg{background-color:#333;text-shadow:0 1px 3px #000,0 0 8px rgba(0,0,0,.9)}

/* 底部 */
.site-footer{background:#0a0a0d;border-top:1px solid rgba(201,169,92,.2);padding:32px 20px;text-align:center;color:#777;font-size:13px}
.site-footer .admin-link{margin-top:10px;font-size:12px}
.site-footer .admin-link a{color:#666}

.center{text-align:center;margin-top:24px}
.more-link{display:inline-block;padding:8px 22px;border:1px solid #c9a95c;color:#c9a95c;border-radius:4px}
.more-link:hover{background:#c9a95c;color:#111}

/* 毛玻璃（首页 Hero 标题/副标题/下载按钮） */
.hero h1{display:inline-block;background:rgba(255,255,255,.14);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.28);border-radius:14px;padding:18px 34px}
.hero-desc{display:inline-block;background:rgba(255,255,255,.12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:14px 26px;margin-bottom:24px}
.hero .more-link.glass{background:rgba(255,255,255,.15);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-color:rgba(255,255,255,.45);color:#fff}
.hero .more-link.glass:hover{background:rgba(255,255,255,.3);color:#111}

/* 导航高亮 */
.main-nav a.active{color:#f0c040}
.main-nav a.active::after{width:100%}

/* QQ群卡片 */
.qq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.qq-card{background:#141418;border:1px solid rgba(201,169,92,.2);border-radius:10px;padding:22px;text-align:center;transition:border-color .2s;display:flex;flex-direction:column}
.qq-card:hover{border-color:#c9a95c}
.qq-card .qq-icon{margin-bottom:10px}
.qq-card h3{color:#f0c040;font-size:17px;margin:0 0 6px}
.qq-card .qq-num{color:#e8dfc8;font-size:14px;margin-bottom:8px}
.qq-card .qq-desc{color:#bbb;font-size:14px;margin:0 0 16px;line-height:1.7;flex:1}
.qq-join{display:inline-block;background:#3a5a7a;color:#fff;font-weight:700;padding:8px 22px;border-radius:5px;transition:filter .2s;align-self:center}
.qq-join:hover{filter:brightness(1.2);color:#fff}

/* 返回顶部 */
.back-top{position:fixed;right:18px;bottom:174px;z-index:91;width:44px;height:44px;border-radius:50%;border:1px solid rgba(201,169,92,.4);background:rgba(28,28,32,.9);color:#c9a95c;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:#c9a95c;color:#111;border-color:#c9a95c}

/* 锁定按钮定位（管理员钉位置，固定在屏幕上，滚动页面不移动） */
.fm-locked{position:fixed;z-index:89;display:inline-flex;align-items:center;justify-content:center;min-width:118px;text-align:center;padding:12px 18px;color:#ffe9b0;font-weight:700;font-size:15px;letter-spacing:1px;background:linear-gradient(180deg,#8a6a2a 0%,#5d4718 100%);border:1px solid #c9a95c;border-radius:6px;text-shadow:0 1px 2px rgba(0,0,0,.8);box-shadow:0 4px 14px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.15);background-size:cover;background-position:center;transition:filter .15s;cursor:pointer}
.fm-locked:hover{filter:brightness(1.15);color:#fff}
.fm-locked.has-bg{background-color:#333;text-shadow:0 1px 3px #000,0 0 8px rgba(0,0,0,.9)}
.fm-pos-lt{left:18px;top:12%}
.fm-pos-lm{left:18px;top:50%;transform:translateY(-50%)}
.fm-pos-lb{left:18px;bottom:12%}
.fm-pos-rt{right:18px;top:12%}
.fm-pos-rm{right:18px;top:50%;transform:translateY(-50%)}
.fm-pos-rb{right:18px;bottom:12%}
.fm-pos-tc{left:50%;top:12%;transform:translateX(-50%)}
.fm-pos-bc{left:50%;bottom:12%;transform:translateX(-50%)}
.fm-pos-custom{transform:none}

/* 首页板块独立背景 */
.nav-section{position:relative}
.nav-section.has-bg{background-size:cover;background-position:center;background-attachment:scroll}
.nav-section.has-bg::before{content:'';position:absolute;inset:0;background:rgba(10,10,14,.78)}
.nav-section.has-bg > .container{position:relative;z-index:1}

/* ===== H5 / PC 自适应 ===== */
@media (max-width:960px){
  .download-row{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
}
@media (max-width:860px){
  .nav-inner{flex-direction:column;height:auto;padding:12px 16px;gap:8px}
  .main-nav{gap:20px;justify-content:flex-start;width:100%;padding-bottom:4px}
  .hero{min-height:auto;padding:64px 0}
  .hero h1{font-size:30px}
  .hero-content{padding:20px 16px}
  .section{padding:44px 16px}
  .sub-hero{height:160px}
  .news-grid{grid-template-columns:1fr}
  .float-menu{right:10px}
  .fm-btn{min-width:96px;padding:10px 12px;font-size:13px}
}
@media (max-width:420px){
  .brand{font-size:19px}
  .brand img{height:36px}
  .pkg-info span{white-space:normal}
}