/* ===== 团星云 · 服务概览 · 共享样式（视频背景 / 左右布局 / 简约玻璃风） ===== */
:root{
  --accent:#7cc4ff;
  --text:#f4f7fb;
  --muted:rgba(244,247,251,.78);
  --sidebar-w:300px;
  --line:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.10);
  --glass-hover:rgba(255,255,255,.15);
}
*{box-sizing:border-box;margin:0;padding:0;}

/* 链接重置：去掉浏览器默认蓝色与下划线 */
a,a:visited,a:hover,a:focus,a:active{
  color:inherit;
  text-decoration:none;
  outline:none;
}

html,body{height:100%;}
body{
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:#0b1020;
  line-height:1.7;
  overflow-x:hidden;
  font-weight:400;
}

/* 视频背景（缺失时由渐变兜底） */
/* 渐变仅作兜底，置于最底层；视频在其上，存在时自然覆盖渐变 */
.bg-grad{
  position:fixed;inset:0;z-index:-3;
  background:linear-gradient(135deg,#0b1020,#14213d 50%,#1b2a4a);
  background-size:400% 400%;animation:shift 20s ease infinite;
}
@keyframes shift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.bg-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;}
.bg-ov{
  position:fixed;inset:0;z-index:-1;
  background:radial-gradient(circle at 28% 18%,rgba(124,196,255,.14),transparent 42%),rgba(8,12,26,.52);
}

/* 左侧栏 */
.side{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100%;
  padding:42px 30px;display:flex;flex-direction:column;
  border-right:1px solid var(--line);
  background:rgba(10,14,28,.28);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  z-index:5;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand .logo{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(124,196,255,.18);border:1px solid rgba(124,196,255,.35);
}
.brand h1{font-size:21px;font-weight:600;letter-spacing:1px;}
.brand .tag{color:var(--muted);font-size:11px;letter-spacing:3px;text-transform:uppercase;margin-top:1px;}

.nav{margin-top:40px;display:flex;flex-direction:column;gap:5px;}
.nav a{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:11px;
  color:var(--muted);font-size:15px;transition:.18s;border:1px solid transparent;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav a.active{color:#fff;background:rgba(124,196,255,.14);border-color:rgba(124,196,255,.32);}
.nav a .ni{width:20px;display:inline-flex;justify-content:center;}

.side-foot{margin-top:auto;color:var(--muted);font-size:12px;line-height:1.7;}
.side-foot a{color:var(--muted);transition:.15s;}
.side-foot a:hover{color:#fff;}
.side-foot .br{display:block;height:3px;}

/* 移动端内容页脚：桌面默认隐藏，手机端显示（承载备案信息） */
.foot{display:none;}

/* 右侧内容 */
.main{margin-left:var(--sidebar-w);padding:64px 56px;max-width:1180px;}
.page-head{margin-bottom:38px;}
.page-head .ey{color:var(--accent);font-size:12px;letter-spacing:4px;text-transform:uppercase;}
.page-head h2{font-size:34px;font-weight:600;margin:10px 0 8px;letter-spacing:.5px;text-shadow:0 2px 18px rgba(0,0,0,.55);}
.page-head p{color:var(--muted);max-width:660px;font-size:15px;text-shadow:0 1px 12px rgba(0,0,0,.5);}

/* 卡片网格 */
.grid{display:grid;gap:20px;}
.cols-2{grid-template-columns:repeat(2,1fr);}
.cols-3{grid-template-columns:repeat(3,1fr);}

.card{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:24px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:.2s;
}
.card:hover{border-color:rgba(124,196,255,.42);background:var(--glass-hover);transform:translateY(-3px);}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(124,196,255,.16);margin-bottom:14px;}
.card h3{font-size:18px;margin-bottom:6px;font-weight:500;}
.card .desc{color:var(--muted);font-size:14px;}
.idtag{display:inline-block;margin-top:12px;font-size:12px;color:var(--accent);background:rgba(124,196,255,.12);padding:4px 10px;border-radius:7px;font-weight:500;}

/* 域名详情 */
.domain .name{font-size:26px;font-weight:600;color:#fff;word-break:break-all;}
.kv{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.kv:last-child{border-bottom:0;}
.kv .k{color:var(--muted);}
.kv .v{font-weight:500;text-align:right;}
.pill{display:inline-flex;align-items:center;gap:7px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;}
.pill.green{background:rgba(24,169,87,.18);color:#5ee29a;}
.pill .pul{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(94,226,154,.18);}

/* 链接行 */
.link-row{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);
  border-radius:13px;background:var(--glass);transition:.18s;backdrop-filter:blur(8px);
}
.link-row:hover{border-color:var(--accent);background:rgba(124,196,255,.10);}
.link-row .ic{font-size:22px;display:inline-flex;}
.link-row .txt{flex:1;min-width:0;}
.link-row .txt .t{font-weight:500;font-size:15px;}
.link-row .txt .u{color:var(--muted);font-size:13px;word-break:break-all;}
.link-row .txt .d{color:rgba(244,247,251,.62);font-size:12px;margin-top:4px;line-height:1.5;}
.card .desc,.link-row .txt .u,.link-row .txt .d,.quick p{text-shadow:0 1px 9px rgba(0,0,0,.45);}

/* 内容切换淡入 + 首屏载入动画 */
.fade-in{animation:fadeUp .45s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

.loader{
  position:fixed;inset:0;z-index:50;background:#0b1020;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s ease,visibility .6s ease;
}
.loader.hide{opacity:0;visibility:hidden;pointer-events:none;}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:14px;animation:loaderIn .7s ease both;}
.spinner{
  width:42px;height:42px;border-radius:50%;
  border:3px solid rgba(124,196,255,.22);border-top-color:var(--accent);
  animation:spin .9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.loader-brand{font-size:22px;font-weight:600;letter-spacing:3px;}
.loader-sub{font-size:11px;letter-spacing:4px;color:var(--muted);}
@keyframes loaderIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.progress{width:200px;height:4px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:4px;}
.progress-bar{width:0;height:100%;background:linear-gradient(90deg,var(--accent),#b794ff);border-radius:999px;}
.progress-num{font-size:12px;color:var(--muted);letter-spacing:1px;margin-top:8px;}
.link-row .go{display:inline-flex;align-items:center;color:var(--muted);font-weight:500;font-size:13px;white-space:nowrap;}

/* 概览快捷卡 */
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.quick a{display:block;background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.2s;backdrop-filter:blur(10px);}
.quick a:hover{border-color:rgba(124,196,255,.42);background:var(--glass-hover);transform:translateY(-3px);}
.quick .qi{margin-bottom:12px;display:inline-flex;}
.quick h3{font-size:18px;margin-bottom:6px;font-weight:500;}
.quick p{color:var(--muted);font-size:13px;}

/* 统计条 */
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.stat{flex:1;min-width:150px;background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:18px 20px;backdrop-filter:blur(8px);}
.stat .n{font-size:24px;font-weight:600;color:#fff;}
.stat .l{color:var(--muted);font-size:13px;margin-top:2px;}

/* Lucide 图标尺寸统一 */
.logo svg,.ni svg,.ic svg,.ico svg,.qi svg,.go svg{display:block;}
.logo svg{width:24px;height:24px;}
.ni svg{width:20px;height:20px;}
.ic svg{width:22px;height:22px;}
.ico svg{width:22px;height:22px;}
.qi svg{width:26px;height:26px;}
.go svg{width:16px;height:16px;}

/* 响应式：窄屏时左侧栏转为顶部吸顶栏 + 横滑导航 */
@media (max-width:880px){
  .side{
    position:sticky;top:0;width:100%;height:auto;
    flex-direction:row;align-items:center;gap:14px;
    padding:12px 14px;border-right:0;border-bottom:1px solid var(--line);
    background:rgba(10,14,28,.55);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    z-index:10;
  }
  .brand{flex:0 0 auto;margin:0;gap:10px;}
  .brand .tag{display:none;} /* 手机端隐藏英文副标题，节省横向空间 */
  .nav{
    margin-top:0;flex:1 1 auto;min-width:0;
    flex-direction:row;gap:6px;justify-content:flex-start;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .nav::-webkit-scrollbar{display:none;}
  .nav a{flex:0 0 auto;padding:8px 12px;font-size:13px;white-space:nowrap;}
  .nav a .ni{width:16px;}
  .nav a .ni svg{width:16px;height:16px;}
  .main{touch-action:pan-y;} /* 内容区：横向滑动交给我们处理，纵向仍可滚动 */
  .side-foot{display:none;}

  .main{margin-left:0;padding:26px 18px 44px;max-width:none;}
  .page-head{margin-bottom:24px;}
  .page-head h2{font-size:25px;}
  .page-head p{font-size:14px;}

  .card{padding:20px;}
  .cols-2,.cols-3,.quick{grid-template-columns:1fr;}
  .quick{margin-top:4px;}
  .stats{margin-top:24px;}

  /* 移动端显示内容页脚（备案信息） */
  .foot{
    display:block;margin-top:30px;padding-top:18px;
    border-top:1px solid var(--line);
    color:var(--muted);font-size:12px;text-align:center;line-height:1.9;
  }
  .foot a{color:var(--accent);}
}

/* 更小屏（手机竖屏）：进一步收窄间距与字号 */
@media (max-width:480px){
  .side{padding:12px 14px;gap:10px;}
  .brand h1{font-size:19px;}
  .main{padding:22px 14px 40px;}
  .page-head h2{font-size:22px;}
  .card{padding:18px;}
  .kv{font-size:13px;}
  .domain .name{font-size:22px;}
}