/* ============================================================
   GAO·JING 产品套件 · 共享设计系统
   暗色玻璃拟态 / 渐变光晕 / 粒子交互
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;800;900&family=Archivo+Black&family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,600;12..96,800&display=swap');
:root{
  --bg:#070810;
  --bg-2:#0b0d18;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --glass-3:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.22);
  --txt:#eef1f8;
  --dim:#9aa3ba;
  --dim-2:#6d768c;
  --accent:#7cf0d0;
  --accent-2:#7aa2ff;
  --accent-soft:rgba(124,240,208,.16);
  --warn:#ffb454;
  --danger:#ff6b81;
  --ok:#5ee9a4;
  --r:18px;
  --r-sm:12px;
  --shadow:0 24px 60px rgba(0,0,0,.55);
  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-display:"Archivo Black","Noto Serif SC",sans-serif;
  --font:"Noto Serif SC",Bricolage Grotesque,"PingFang SC",system-ui,-apple-system,sans-serif;
  --font-deco:"Bricolage Grotesque","Noto Serif SC",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{
  background:var(--bg);color:var(--txt);font-family:var(--font);font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  line-height:1.65;letter-spacing:.005em;
}
body.lock{overflow:hidden;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:14px;color:var(--txt);}
::selection{background:var(--accent);color:#06121a;}
/* 全局标题层级（5 个 App 共用） */
h1,.h1{font-family:var(--font-display);font-weight:400;letter-spacing:-.025em;line-height:.98;}
h2,.h2{font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;line-height:1.05;}
h3,.h3{font-family:var(--font-serif);font-weight:900;letter-spacing:-.005em;line-height:1.2;}
h4,.h4{font-family:var(--font-deco);font-weight:600;letter-spacing:.15em;text-transform:uppercase;font-size:12px;color:var(--dim);}
.eyebrow{font-family:var(--font-deco);font-style:italic;font-weight:600;font-size:12px;letter-spacing:.22em;color:var(--dim);text-transform:uppercase;}

/* 光晕背景 */
.aura{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;}
.aura i{
  position:absolute;display:block;border-radius:50%;filter:blur(90px);opacity:.5;
}
.aura i:nth-child(1){width:520px;height:520px;background:var(--accent);top:-180px;left:-120px;opacity:.22;}
.aura i:nth-child(2){width:560px;height:560px;background:var(--accent-2);bottom:-220px;right:-160px;opacity:.2;}
.aura i:nth-child(3){width:380px;height:380px;background:var(--accent);top:38%;left:52%;opacity:.1;}
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 78%);
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:999px;font-weight:700;font-size:14px;
  background:var(--glass-2);border:1px solid var(--line-2);color:var(--txt);
  transition:transform .18s,background .2s,border-color .2s,box-shadow .25s;
  white-space:nowrap;
}
.btn:hover{background:var(--glass-3);transform:translateY(-2px);}
.btn:active{transform:translateY(0) scale(.98);}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  color:#06121a;border-color:transparent;box-shadow:0 10px 30px -8px var(--accent);
}
.btn-primary:hover{box-shadow:0 16px 40px -10px var(--accent);background:linear-gradient(120deg,var(--accent-2),var(--accent));}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--dim);}
.btn-ghost:hover{color:var(--txt);}
.btn-sm{padding:8px 14px;font-size:13px;}
.btn[disabled]{opacity:.45;pointer-events:none;}

.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);font-size:12.5px;color:var(--dim);
  transition:.2s;cursor:pointer;
}
.chip:hover{border-color:var(--accent);color:var(--txt);background:var(--accent-soft);}
.chip.on{background:var(--accent);color:#06121a;border-color:transparent;font-weight:700;}

.tag{
  display:inline-block;padding:3px 9px;border-radius:6px;font-size:11px;font-weight:700;
  letter-spacing:.04em;background:var(--glass-2);border:1px solid var(--line);color:var(--dim);
}
.tag.hi{background:rgba(255,107,129,.16);border-color:rgba(255,107,129,.4);color:#ffb3bf;}
.tag.mid{background:rgba(255,180,84,.16);border-color:rgba(255,180,84,.4);color:#ffd39a;}
.tag.lo{background:rgba(94,233,164,.14);border-color:rgba(94,233,164,.35);color:#9ff0c8;}
.tag.acc{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent);}

.panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.panel-pad{padding:22px;}

label.fl{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--dim-2);margin:0 0 8px;text-transform:uppercase;}
.field{
  width:100%;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 15px;outline:none;transition:.2s;resize:vertical;
}
.field:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);background:rgba(0,0,0,.42);}
.field::placeholder{color:var(--dim-2);}

.seg{display:inline-flex;background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px;}
.seg button{padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;color:var(--dim);transition:.2s;}
.seg button.on{background:var(--glass-3);color:var(--txt);box-shadow:0 4px 14px rgba(0,0,0,.4);}

.hr{height:1px;background:var(--line);border:0;margin:18px 0;}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:9px;}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.26);}

/* ---------- 顶部栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:14px;
  padding:12px 22px;border-bottom:1px solid var(--line);
  background:rgba(7,8,16,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.brand .logo{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:grid;place-items:center;color:#06121a;font-size:15px;font-weight:900;
}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--dim-2);letter-spacing:.1em;}
.topbar .spacer{flex:1;}
.icon-btn{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--glass);color:var(--dim);transition:.2s;font-size:15px;
}
.icon-btn:hover{color:var(--txt);border-color:var(--line-2);background:var(--glass-2);}
.user-chip{
  display:flex;align-items:center;gap:9px;padding:5px 13px 5px 5px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);font-size:13px;font-weight:600;
}
.user-chip .av{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06121a;
}
.user-chip .guest-dot{width:7px;height:7px;border-radius:50%;background:var(--warn);box-shadow:0 0 8px var(--warn);}

/* ---------- Gate 入口 ---------- */
.gate{
  position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px;
  background:radial-gradient(ellipse at 50% 0%,rgba(255,255,255,.05),transparent 60%);
  backdrop-filter:blur(3px);overflow:auto;
}
.gate.out{animation:gateOut .5s forwards cubic-bezier(.4,0,.2,1);}
@keyframes gateOut{to{opacity:0;transform:scale(1.04);visibility:hidden;}}
.gate-card{
  position:relative;width:100%;max-width:560px;padding:38px 36px 30px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
  border:1px solid var(--line-2);border-radius:26px;box-shadow:var(--shadow);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  animation:gateIn .6s cubic-bezier(.2,.9,.3,1.1);
}
@keyframes gateIn{from{opacity:0;transform:translateY(26px) scale(.97);}to{opacity:1;transform:none;}}
.gate-in{animation:gateIn .6s cubic-bezier(.2,.9,.3,1.1);}
.gate-card .close-x{position:absolute;top:16px;right:16px;color:var(--dim-2);font-size:18px;line-height:1;padding:6px;border-radius:8px;}
.gate-card .close-x:hover{color:var(--txt);background:var(--glass-2);}
.gate-logo{
  width:60px;height:60px;border-radius:18px;display:grid;place-items:center;font-size:26px;margin-bottom:18px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06121a;
  box-shadow:0 16px 40px -12px var(--accent);
}
.gate-kicker{font-size:11.5px;font-weight:800;letter-spacing:.18em;color:var(--accent);margin-bottom:10px;}
.gate-card h1{font-size:clamp(26px,4vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.2;}
.gate-card .sub{color:var(--dim);font-size:14.5px;margin-top:10px;line-height:1.75;}
.feats{list-style:none;margin:24px 0;display:grid;gap:11px;}
.feats li{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;color:var(--dim);}
.feats li b{color:var(--txt);font-weight:700;display:block;font-size:13.5px;}
.feats li .fi{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;font-size:13px;
  background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);
}
.gate-modes{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-bottom:18px;}
.mode{
  padding:15px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(0,0,0,.24);
  text-align:left;transition:.2s;
}
.mode:hover{border-color:var(--line-2);background:rgba(0,0,0,.36);}
.mode.on{border-color:var(--accent);background:var(--accent-soft);}
.mode b{display:block;font-size:13.5px;margin-bottom:3px;}
.mode span{font-size:11.5px;color:var(--dim-2);line-height:1.5;}
.gate-actions{display:flex;gap:11px;flex-wrap:wrap;}
.gate-actions .btn{flex:1;min-width:150px;}
.gate-foot{margin-top:18px;font-size:11.5px;color:var(--dim-2);line-height:1.7;text-align:center;}
.gate-back{margin-top:16px;text-align:center;font-size:12.5px;}
.gate-back a{color:var(--dim-2);border-bottom:1px dashed var(--line-2);padding-bottom:1px;}
.gate-back a:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:22px;
  background:rgba(3,4,10,.72);backdrop-filter:blur(6px);}
.modal.open{display:flex;animation:fadeIn .22s ease;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.modal-box{
  width:100%;max-width:440px;padding:30px;border-radius:22px;
  background:var(--bg-2);border:1px solid var(--line-2);box-shadow:var(--shadow);
  animation:pop .3s cubic-bezier(.2,.9,.3,1.3);
}
@keyframes pop{from{transform:translateY(22px) scale(.96);opacity:0;}to{transform:none;opacity:1;}}
.modal-box h3{font-size:20px;font-weight:800;margin-bottom:8px;}
.modal-box .msub{font-size:13px;color:var(--dim);margin-bottom:20px;}
.modal-box .row{margin-bottom:14px;}
.modal-actions{display:flex;gap:10px;margin-top:20px;}
.modal-actions .btn{flex:1;}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:400;display:grid;gap:9px;justify-items:center;pointer-events:none;}
.toast{
  padding:11px 20px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(14,16,26,.92);border:1px solid var(--line-2);color:var(--txt);
  box-shadow:0 14px 34px rgba(0,0,0,.5);backdrop-filter:blur(14px);
  animation:toastIn .3s cubic-bezier(.2,.9,.3,1.3);
}
.toast.out{animation:toastOut .3s forwards;}
@keyframes toastIn{from{opacity:0;transform:translateY(16px) scale(.94);}to{opacity:1;transform:none;}}
@keyframes toastOut{to{opacity:0;transform:translateY(12px) scale(.96);}}

/* ---------- 粒子 ---------- */
.particle{
  position:fixed;z-index:500;width:6px;height:6px;border-radius:50%;pointer-events:none;
  transition:transform .62s cubic-bezier(.15,.75,.25,1),opacity .62s ease-out;
}

/* ---------- 空态 / 加载 ---------- */
.empty{
  padding:44px 20px;text-align:center;color:var(--dim-2);font-size:13.5px;line-height:1.9;
  border:1px dashed var(--line);border-radius:var(--r);
}
.empty .big{font-size:32px;display:block;margin-bottom:10px;opacity:.7;}
.dots{display:inline-flex;gap:5px;align-items:center;}
.dots i{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:bounce 1.1s infinite;}
.dots i:nth-child(2){animation-delay:.15s;}
.dots i:nth-child(3){animation-delay:.3s;}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.45;}30%{transform:translateY(-6px);opacity:1;}}
.shimmer{
  background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.13),rgba(255,255,255,.05));
  background-size:200% 100%;animation:shim 1.3s infinite;border-radius:8px;
}
@keyframes shim{to{background-position:-200% 0;}}

.rise{opacity:0;transform:translateY(20px);}
.rise.in{opacity:1;transform:none;transition:opacity .6s,transform .6s cubic-bezier(.2,.9,.3,1);}

@media (max-width:820px){
  .gate-card{padding:30px 22px 24px;border-radius:20px;}
  .gate-modes{grid-template-columns:1fr;}
  .topbar{padding:10px 14px;gap:9px;}
  .brand small{display:none;}
  .toast-wrap{bottom:14px;width:calc(100% - 28px);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}