/* ==========================================================================
   乐瘦 LeShou · 统一主题（绿 / 黑 / 金 · 科技健康）
   学员端 / 指导教练端 / 管理后台 三端共用
   ========================================================================== */

:root{
  /* 底色 */
  --bg:            #06110C;
  --bg-2:          #0A1A13;
  --panel:         #0C2018;
  --panel-2:       #103024;
  --line:          rgba(31,217,138,.16);
  --line-strong:   rgba(31,217,138,.38);

  /* 主色 */
  --green:         #1FD98A;
  --green-deep:    #0E8B57;
  --green-glow:    rgba(31,217,138,.35);
  --mint:          #7CF6C0;

  /* 金 */
  --gold:          #E9C46A;
  --gold-2:        #F5DFA4;
  --gold-deep:     #A8822F;
  --gold-glow:     rgba(233,196,106,.30);

  /* 文本 */
  --tx:            #E9F6EF;
  --tx-2:          #9FBFB0;
  --tx-3:          #6C8C7D;

  /* 语义 */
  --danger:        #FF6B6B;
  --warn:          #FFB020;
  --med-bg:        rgba(255,214,0,.13);
  --med-line:      #FFD600;
  --info:          #4FC3F7;

  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --shadow: 0 10px 40px rgba(0,0,0,.45);
}

*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

html,body{
  margin:0; padding:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{ overflow:hidden; }

.num{ font-variant-numeric:tabular-nums; font-feature-settings:"tnum"; letter-spacing:.5px; }
.mono{ font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace; }

h1,h2,h3,h4{ margin:0; font-weight:700; letter-spacing:.2px; }
p{ margin:0; }
a{ color:var(--green); text-decoration:none; }
::-webkit-scrollbar{ width:8px; height:8px; }
::-webkit-scrollbar-thumb{ background:rgba(31,217,138,.22); border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background:rgba(31,217,138,.4); }
::-webkit-scrollbar-track{ background:transparent; }

/* ---------- 背景光效 ---------- */
.bg-glow{ position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden; }
.bg-glow::before,.bg-glow::after{
  content:""; position:absolute; border-radius:50%; filter:blur(90px); opacity:.5;
}
.bg-glow::before{ width:520px; height:520px; background:rgba(31,217,138,.18); top:-220px; left:-140px; }
.bg-glow::after{ width:460px; height:460px; background:rgba(233,196,106,.12); bottom:-200px; right:-120px; }

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:9px 18px; border-radius:999px; border:1px solid var(--line-strong);
  background:rgba(31,217,138,.08); color:var(--tx);
  font-size:13px; font-weight:600; cursor:pointer; transition:.18s;
  font-family:inherit; white-space:nowrap;
}
.btn:hover{ background:rgba(31,217,138,.18); transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }
.btn.primary{
  background:linear-gradient(135deg,var(--green),#12b673);
  border-color:transparent; color:#04170E;
  box-shadow:0 6px 22px var(--green-glow);
}
.btn.primary:hover{ box-shadow:0 8px 30px var(--green-glow); }
.btn.gold{
  background:linear-gradient(135deg,var(--gold),#c79b34);
  border-color:transparent; color:#2A1E00; box-shadow:0 6px 22px var(--gold-glow);
}
.btn.ghost{ background:transparent; border-color:var(--line); color:var(--tx-2); }
.btn.ghost:hover{ color:var(--tx); border-color:var(--line-strong); background:rgba(31,217,138,.06); }
.btn.danger{ background:rgba(255,107,107,.12); border-color:rgba(255,107,107,.4); color:#FFB3B3; }
.btn.sm{ padding:5px 12px; font-size:12px; }
.btn.xs{ padding:3px 9px; font-size:11px; border-radius:8px; }
.btn.block{ width:100%; }
.btn:disabled{ opacity:.4; cursor:not-allowed; transform:none!important; }

.card{
  background:linear-gradient(160deg,rgba(16,48,36,.86),rgba(10,26,19,.92));
  border:1px solid var(--line); border-radius:var(--r);
  padding:16px; position:relative; overflow:hidden;
}
.card.lit::before{
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--green),transparent); opacity:.6;
}
.tag{
  display:inline-flex; align-items:center; gap:4px;
  padding:2px 9px; border-radius:999px; font-size:11px; font-weight:600;
  border:1px solid var(--line-strong); color:var(--green); background:rgba(31,217,138,.08);
}
.tag.gold{ color:var(--gold); border-color:rgba(233,196,106,.4); background:rgba(233,196,106,.09); }
.tag.gray{ color:var(--tx-3); border-color:rgba(255,255,255,.12); background:rgba(255,255,255,.03); }
.tag.red{  color:#FF9B9B; border-color:rgba(255,107,107,.4); background:rgba(255,107,107,.1); }
.tag.blue{ color:var(--info); border-color:rgba(79,195,247,.4); background:rgba(79,195,247,.1); }

.field{
  width:100%; padding:9px 12px; border-radius:10px;
  background:rgba(4,16,11,.7); border:1px solid var(--line);
  color:var(--tx); font-size:13px; font-family:inherit; outline:none; transition:.15s;
}
.field:focus{ border-color:var(--line-strong); box-shadow:0 0 0 3px rgba(31,217,138,.10); }
.field::placeholder{ color:var(--tx-3); }
select.field{ cursor:pointer; }
textarea.field{ resize:vertical; line-height:1.6; }

.row{ display:flex; gap:10px; align-items:center; }
.row.between{ justify-content:space-between; }
.row.wrap{ flex-wrap:wrap; }
.grow{ flex:1; min-width:0; }
.muted{ color:var(--tx-2); }
.dim{ color:var(--tx-3); font-size:12px; }
.hr{ height:1px; background:var(--line); margin:14px 0; }

.sec-title{ display:flex; align-items:center; gap:8px; font-size:15px; font-weight:700; margin-bottom:12px; }
.sec-title::before{ content:""; width:3px; height:15px; border-radius:2px; background:linear-gradient(180deg,var(--green),var(--gold)); }

.empty{ text-align:center; padding:34px 12px; color:var(--tx-3); font-size:13px; }

/* ---------- 手机壳 ---------- */
.phone{
  width:390px; height:800px; border-radius:44px; padding:11px;
  background:linear-gradient(160deg,#16281F,#050D09);
  border:1px solid rgba(31,217,138,.22);
  box-shadow:0 30px 80px rgba(0,0,0,.65), inset 0 0 0 1px rgba(255,255,255,.03);
  position:relative; flex:0 0 auto;
}
.phone-screen{
  width:100%; height:100%; border-radius:34px; overflow:hidden;
  background:var(--bg); position:relative; display:flex; flex-direction:column;
}
.notch{
  position:absolute; top:11px; left:50%; transform:translateX(-50%);
  width:120px; height:26px; background:#050D09; border-radius:0 0 16px 16px; z-index:60;
}
.phone.landscape{ width:800px; height:390px; }
.phone.landscape .notch{ display:none; }

/* ---------- 状态栏 ---------- */
.statusbar{
  height:34px; flex:0 0 auto; display:flex; align-items:center; justify-content:space-between;
  padding:0 20px; font-size:11px; color:var(--tx-2); position:relative; z-index:50;
}
.statusbar .sb-r{ display:flex; gap:5px; align-items:center; }

/* ---------- Toast ---------- */
#toast-wrap{
  position:fixed; left:50%; bottom:44px; transform:translateX(-50%);
  z-index:9999; display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none;
}
.toast{
  padding:10px 20px; border-radius:999px; font-size:13px; font-weight:600;
  background:rgba(12,32,24,.96); border:1px solid var(--line-strong);
  color:var(--tx); box-shadow:var(--shadow); backdrop-filter:blur(12px);
  animation:toastIn .26s cubic-bezier(.2,1.2,.4,1);
  max-width:78vw; text-align:center;
}
.toast.ok{ border-color:rgba(31,217,138,.6); color:var(--mint); }
.toast.err{ border-color:rgba(255,107,107,.55); color:#FFB3B3; }
@keyframes toastIn{ from{ opacity:0; transform:translateY(14px) scale(.96);} to{ opacity:1; transform:none;} }

/* ---------- 弹层 ---------- */
.mask{
  position:absolute; inset:0; background:rgba(3,10,7,.74); backdrop-filter:blur(6px);
  z-index:200; display:none; align-items:flex-end; justify-content:center;
}
.mask.show{ display:flex; }
.mask.center{ align-items:center; }
.sheet{
  width:100%; background:linear-gradient(180deg,#0F2A1F,#08170F);
  border-top:1px solid var(--line-strong); border-radius:24px 24px 0 0;
  padding:18px 18px 24px; max-height:86%; overflow:auto;
  animation:sheetUp .28s cubic-bezier(.2,1,.3,1);
}
.mask.center .sheet{ width:88%; border-radius:var(--r-lg); border:1px solid var(--line-strong); }
@keyframes sheetUp{ from{ transform:translateY(100%);} to{ transform:none;} }
.sheet h3{ font-size:16px; margin-bottom:12px; }

/* ==========================================================================
   房间 / 同框练习（横屏）
   ========================================================================== */
.room{ position:absolute; inset:0; background:#04100B; overflow:hidden; }

/* 同框：教练画面与学员画面各占 50% 屏幕（横屏左右对半） */
.video-stage{
  position:absolute; left:0; top:0; bottom:66px; width:50%;
  background:#0A1712; overflow:hidden;
}
.video-stage video,.video-stage .coach-canvas{
  width:100%; height:100%; object-fit:cover; display:block;
}
/* 两个画面之间的金色分隔线 */
.room::after{
  content:''; position:absolute; left:50%; top:0; bottom:66px; width:2px; z-index:22;
  background:linear-gradient(180deg,transparent,rgba(233,196,106,.6) 18%,rgba(233,196,106,.6) 82%,transparent);
}
/* 无真实视频时的示例画面 */
.coach-placeholder{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 30% 35%,rgba(31,217,138,.16),transparent 55%),
    radial-gradient(circle at 72% 70%,rgba(233,196,106,.12),transparent 50%),
    linear-gradient(160deg,#0B2118,#04100B);
}
.coach-figure{ position:relative; width:210px; height:300px; }
.coach-figure .head{
  position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:72px; height:72px; border-radius:50%;
  background:linear-gradient(160deg,#2A6E52,#123326); border:2px solid rgba(31,217,138,.5);
}
.coach-figure .body{
  position:absolute; top:62px; left:50%; transform:translateX(-50%);
  width:150px; height:120px; border-radius:60px 60px 26px 26px;
  background:linear-gradient(160deg,#22624A,#0D2A1E); border:2px solid rgba(31,217,138,.34);
}
.coach-figure .limb{
  position:absolute; width:26px; border-radius:14px;
  background:linear-gradient(180deg,#1E5A43,#0C2419); border:1px solid rgba(31,217,138,.22);
  transform-origin:top center;
}
.coach-figure .l-arm{ height:110px; top:80px; left:20px; animation:armL 3.4s ease-in-out infinite; }
.coach-figure .r-arm{ height:110px; top:80px; right:20px; animation:armR 3.4s ease-in-out infinite; }
.coach-figure .l-leg{ height:110px; top:172px; left:58px; animation:legL 3.4s ease-in-out infinite; }
.coach-figure .r-leg{ height:110px; top:172px; right:58px; animation:legR 3.4s ease-in-out infinite; }
@keyframes armL{ 0%,100%{transform:rotate(14deg);} 50%{transform:rotate(-6deg);} }
@keyframes armR{ 0%,100%{transform:rotate(-14deg);} 50%{transform:rotate(6deg);} }
@keyframes legL{ 0%,100%{transform:rotate(4deg);} 50%{transform:rotate(-4deg);} }
@keyframes legR{ 0%,100%{transform:rotate(-4deg);} 50%{transform:rotate(4deg);} }

.scan-line{
  position:absolute; left:0; right:0; height:2px;
  background:linear-gradient(90deg,transparent,var(--green),transparent);
  box-shadow:0 0 14px var(--green-glow); opacity:.5;
  animation:scan 4.5s linear infinite;
}
@keyframes scan{ 0%{ top:8%; } 100%{ top:92%; } }

/* 学员自己的画面：占屏幕右半边 50%，和教练画面等大 */
.self-pip{
  position:absolute; right:0; top:0; bottom:66px; width:50%; height:auto;
  overflow:hidden; background:#0A1F16; z-index:20;
  border:none; border-radius:0; box-shadow:none;
}
.self-pip video{ width:100%; height:100%; object-fit:cover; transform:scaleX(-1); }
.self-pip .pip-off{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-size:12px; color:var(--tx-3); text-align:center; padding:14px; line-height:1.6;
}
/* 「你」角标，让学员分清哪半边是自己 */
.pip-tag{
  position:absolute; right:8px; bottom:8px; z-index:3;
  font-size:10px; font-weight:700; padding:2px 8px; border-radius:999px;
  background:rgba(233,196,106,.9); color:#12210a;
}
.self-pip .pip-live{
  position:absolute; top:6px; left:6px; font-size:10px; padding:1px 6px; border-radius:6px;
  background:rgba(255,107,107,.85); color:#fff; font-weight:700; display:flex; align-items:center; gap:3px;
}
.self-pip .pip-live i{ width:5px; height:5px; border-radius:50%; background:#fff; animation:blink 1.3s infinite; }
@keyframes blink{ 0%,100%{opacity:1;} 50%{opacity:.25;} }

/* 教练：左上角小图 + 名字 + 职位 + 小喇叭 */
.coach-pip{
  position:absolute; left:14px; top:12px; z-index:30;
  display:flex; align-items:center; gap:8px;
  padding:6px 12px 6px 6px; border-radius:999px;
  background:rgba(6,20,14,.72); border:1px solid rgba(31,217,138,.3);
  backdrop-filter:blur(10px);
}
.coach-pip img,.coach-pip .avatar{
  width:34px; height:34px; border-radius:50%; object-fit:cover; object-position:center 18%;
  border:1.5px solid rgba(31,217,138,.65); flex:0 0 auto;
}
.coach-pip .cp-name{ font-size:12px; font-weight:700; line-height:1.25; }
.coach-pip .cp-role{ font-size:10px; color:var(--tx-2); line-height:1.25; }
.speaker{ display:inline-flex; align-items:flex-end; gap:2px; height:13px; }
.speaker i{ width:2.5px; border-radius:2px; background:var(--green); display:block; }
.speaker i:nth-child(1){ height:5px;  animation:eq .9s ease-in-out infinite; }
.speaker i:nth-child(2){ height:11px; animation:eq .9s ease-in-out .15s infinite; }
.speaker i:nth-child(3){ height:7px;  animation:eq .9s ease-in-out .3s infinite; }
@keyframes eq{ 0%,100%{ transform:scaleY(.4);} 50%{ transform:scaleY(1);} }
.speaker.idle i{ animation:none; opacity:.35; height:4px; }

/* 动作异常告警条：技术指导必须喊话，不可以跳过 */
.dk-alert{
  flex:0 0 auto; display:flex; align-items:center; gap:9px;
  padding:8px 10px; border-radius:10px;
  background:rgba(255,176,32,.12); border:1px solid rgba(255,176,32,.45);
}
.dk-alert .da-ico{
  flex:0 0 auto; width:18px; height:18px; border-radius:50%;
  background:var(--warn); color:#241703;
  font-size:12px; font-weight:800; line-height:18px; text-align:center;
}
.dk-alert .da-t{ font-size:12px; font-weight:700; color:var(--warn); line-height:1.3; }
.dk-alert .da-d{ font-size:10px; color:var(--tx-2); line-height:1.3; margin-top:1px; }
.btn.warn{
  background:var(--warn); color:#241703; border:none; font-weight:700;
}
.btn.warn:hover{ filter:brightness(1.08); }

/* 顶部指标条 */
.hud{
  position:absolute; top:12px; left:50%; transform:translateX(-50%); z-index:28;
  display:flex; gap:8px; align-items:center;
}
.hud-pill{
  display:flex; align-items:center; gap:6px;
  padding:5px 13px; border-radius:999px; font-size:12px; font-weight:600;
  background:rgba(6,20,14,.7); border:1px solid var(--line); backdrop-filter:blur(10px);
}
.hud-pill .val{ color:var(--green); font-size:14px; }
.hud-pill .val.kcal{ color:var(--gold); }

/* 飘屏回答（透明底 + 描边 + ≤30字） */
.float-layer{
  position:absolute; left:0; right:0; top:70px; bottom:96px; z-index:40;
  pointer-events:none; overflow:hidden; padding:0 22px;
}
.float-msg{
  display:inline-block; max-width:78%; margin-bottom:10px;
  font-size:20px; font-weight:800; line-height:1.35; letter-spacing:.4px;
  color:rgba(255,255,255,.96);
  background:transparent;
  -webkit-text-stroke:1px rgba(0,0,0,.55);
  text-shadow:0 2px 10px rgba(0,0,0,.9), 0 0 2px rgba(0,0,0,.8);
  border:1.5px solid rgba(31,217,138,.85);
  border-radius:12px; padding:5px 13px;
  animation:floatIn .34s cubic-bezier(.2,1.2,.4,1);
}
.float-msg .fm-head{
  font-size:11px; font-weight:600; color:var(--mint);
  -webkit-text-stroke:0; text-shadow:0 1px 3px rgba(0,0,0,.9);
  margin-right:6px; display:inline-block;
}
.float-msg.med{ border-color:var(--med-line); background:var(--med-bg); }
.float-msg.med .fm-head{ color:#FFE45C; }
.float-msg.sys{ border-color:rgba(233,196,106,.9); }
.float-msg.sys .fm-head{ color:var(--gold-2); }
@keyframes floatIn{ from{ opacity:0; transform:translateY(16px);} to{ opacity:1; transform:none;} }

/* 系统喊话角标（超小图） */
.syscall{
  position:absolute; left:14px; bottom:118px; z-index:42;
  display:none; align-items:center; gap:6px;
  padding:4px 10px 4px 4px; border-radius:999px;
  background:rgba(6,20,14,.8); border:1px solid rgba(233,196,106,.6);
  backdrop-filter:blur(8px); animation:floatIn .3s;
}
.syscall.show{ display:flex; }
.syscall img,.syscall .avatar{
  width:22px; height:22px; border-radius:50%; object-fit:cover; object-position:center 18%;
  border:1px solid rgba(233,196,106,.8);
}
.syscall .sc-txt{ font-size:10px; color:var(--gold-2); font-weight:600; }

/* 底部操作条 */
.room-bar{
  position:absolute; left:0; right:0; bottom:0; z-index:45;
  display:flex; align-items:center; gap:10px; padding:12px 18px 16px;
  background:linear-gradient(0deg,rgba(4,16,11,.94),transparent);
}
.talk-btn{
  width:52px; height:52px; border-radius:50%; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--green),#0E8B57); color:#04170E;
  border:2px solid rgba(255,255,255,.16); cursor:pointer; transition:.18s;
  font-size:22px;
}
.talk-btn.off{ background:rgba(255,255,255,.08); color:var(--tx-3); border-color:rgba(255,255,255,.12); }
.talk-btn.rec{ animation:pulseRing 1.5s infinite; }
@keyframes pulseRing{
  0%{ box-shadow:0 0 0 0 rgba(31,217,138,.55); }
  70%{ box-shadow:0 0 0 16px rgba(31,217,138,0); }
  100%{ box-shadow:0 0 0 0 rgba(31,217,138,0); }
}
.room-bar .hint{
  flex:1; font-size:12px; color:var(--tx-2);
  background:rgba(6,20,14,.6); border:1px solid var(--line);
  padding:9px 14px; border-radius:999px; min-height:40px;
  display:flex; align-items:center; overflow:hidden; white-space:nowrap;
}
.room-bar .hint .live{ color:var(--green); font-weight:700; }
/* 按住说话：一大颗，按住不放录音，松手发出 */
.push-talk{
  flex:1; height:52px; border-radius:26px; border:2px solid rgba(255,255,255,.16);
  background:linear-gradient(135deg,var(--green),#0E8B57); color:#04170E;
  display:flex; align-items:center; justify-content:center; gap:9px;
  font-size:15px; font-weight:800; font-family:inherit; cursor:pointer;
  -webkit-user-select:none; user-select:none; touch-action:none; transition:.15s;
}
.push-talk.rec{
  background:linear-gradient(135deg,#FF7A7A,#C92A2A); color:#fff;
  animation:pulseRing 1.2s infinite;
}
.push-talk .pt-ico{ font-size:19px; }
.push-talk.dis{
  background:rgba(255,255,255,.08); color:var(--tx-3); border-color:rgba(255,255,255,.12);
}
.room-hint{
  position:absolute; left:0; right:0; bottom:86px; z-index:45;
  text-align:center; font-size:11.5px; color:var(--tx-2); padding:0 20px;
  text-shadow:0 1px 4px rgba(0,0,0,.8);
}
.room-hint .live{ color:var(--green); font-weight:700; }

/* 首页三大功能快捷入口（三宫格，第一屏就能看到三个业务） */
.feat3{ display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-bottom:4px; }
.f3{
  border:1px solid rgba(31,217,138,.32); border-radius:14px; padding:11px 5px 10px;
  text-align:center; cursor:pointer; transition:.16s;
  background:linear-gradient(165deg,rgba(31,217,138,.13),rgba(10,26,19,.6) 72%);
}
.f3:hover{ transform:translateY(-2px); border-color:var(--line-strong); }
.f3.gold{ border-color:rgba(233,196,106,.36); background:linear-gradient(165deg,rgba(233,196,106,.15),rgba(10,26,19,.6) 72%); }
.f3 .f3i{ font-size:19px; line-height:1; margin-bottom:7px; color:var(--green); }
.f3.gold .f3i{ color:var(--gold); }
.f3 .f3t{ font-size:12.5px; font-weight:800; letter-spacing:.2px; }
.f3 .f3d{ font-size:10px; color:var(--tx-3); margin-top:4px; line-height:1.3; }

/* 首页三大功能分区 */
.zone{
  border:1px solid var(--line); border-radius:16px; padding:13px 13px 14px;
  margin-bottom:13px; background:rgba(10,26,19,.55);
}
.zone.green{ background:linear-gradient(165deg,rgba(31,217,138,.11),rgba(10,26,19,.6) 60%); border-color:rgba(31,217,138,.3); }
.zone.gold{ background:linear-gradient(165deg,rgba(233,196,106,.13),rgba(10,26,19,.6) 60%); border-color:rgba(233,196,106,.3); }
.zone-head{ display:flex; align-items:center; gap:11px; margin-bottom:11px; }
.zone-head .zn{
  flex:0 0 auto; width:34px; height:34px; border-radius:11px; font-size:14px; font-weight:800;
  display:flex; align-items:center; justify-content:center; font-family:var(--mono,ui-monospace,monospace);
  background:rgba(31,217,138,.16); color:var(--green); border:1px solid rgba(31,217,138,.35);
}
.zone.gold .zone-head .zn{ background:rgba(233,196,106,.16); color:var(--gold); border-color:rgba(233,196,106,.35); }
.zone-head .zt{ font-size:15.5px; font-weight:800; display:flex; align-items:center; gap:6px; }
.zone-head .zd{ font-size:11.5px; color:var(--tx-3); margin-top:3px; line-height:1.5; }
.zone .zmini{ display:flex; gap:8px; margin:0 0 10px; }
.zone .zmini .zm{
  flex:1; text-align:center; padding:8px 4px; border-radius:10px;
  background:rgba(4,16,11,.5); border:1px solid var(--line);
}
.zone .zmini .zm b{ display:block; font-size:14px; color:var(--green); }
.zone.gold .zmini .zm b{ color:var(--gold); }
.zone .zmini .zm span{ font-size:10px; color:var(--tx-3); }
.zone .zlist{ font-size:12px; color:var(--tx-2); line-height:1.9; margin-bottom:10px; }
.zone .zlist i{ color:var(--green); font-style:normal; margin-right:5px; }
.zone.gold .zlist i{ color:var(--gold); }
.icon-btn{
  width:42px; height:42px; border-radius:12px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  background:rgba(6,20,14,.7); border:1px solid var(--line); color:var(--tx);
  font-size:18px; transition:.15s;
}
.icon-btn:hover{ border-color:var(--line-strong); background:rgba(31,217,138,.1); }
.icon-btn.on{ border-color:var(--gold); color:var(--gold); }

/* 浮动键盘（浮在视频上，点开才有输入框） */
.kb{
  position:absolute; left:0; right:0; bottom:0; z-index:120;
  background:rgba(8,24,17,.97); border-top:1px solid var(--line-strong);
  backdrop-filter:blur(14px); padding:12px 16px 16px;
  transform:translateY(110%); transition:transform .26s cubic-bezier(.2,1,.3,1);
}
.kb.show{ transform:none; }
.kb .kb-row{ display:flex; gap:10px; align-items:flex-end; }
.kb .kb-input{
  flex:1; background:rgba(4,16,11,.9); border:1px solid var(--line);
  border-radius:12px; padding:11px 14px; color:var(--tx); font-size:14px;
  font-family:inherit; outline:none; resize:none; max-height:80px; line-height:1.5;
}
.kb .kb-input:focus{ border-color:var(--line-strong); }
.kb .kb-send{
  padding:11px 20px; border-radius:12px; border:none; cursor:pointer;
  background:linear-gradient(135deg,var(--green),#0E8B57); color:#04170E;
  font-weight:700; font-size:14px; font-family:inherit;
}
.kb .kb-tip{ font-size:11px; color:var(--tx-3); margin-top:8px; }
.kb .kb-quick{ display:flex; gap:8px; flex-wrap:wrap; margin-top:10px; }
.kb .kb-quick span{
  font-size:12px; padding:5px 12px; border-radius:999px; cursor:pointer;
  border:1px solid var(--line); color:var(--tx-2);
}
.kb .kb-quick span:hover{ border-color:var(--line-strong); color:var(--tx); }

/* ---------- 手势/详情弹窗（学员端） ---------- */
.room-topbar{
  position:absolute; right:16px; top:12px; z-index:46;
  display:flex; align-items:center; gap:8px;
}
.room-exit{
  width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:rgba(6,20,14,.7); border:1px solid var(--line); color:var(--tx-2); cursor:pointer; font-size:15px;
}
/* 房间里的「返回首页」：横屏时也在右上角找得到 */
.room-home{
  height:34px; padding:0 14px; border-radius:999px; display:flex; align-items:center; gap:5px;
  background:rgba(6,20,14,.7); border:1px solid var(--line); color:var(--tx-2);
  cursor:pointer; font-size:12.5px; white-space:nowrap;
}
.room-home:hover{ border-color:var(--line-strong); color:var(--mint); }

/* ---------- 引导提示（演示用） ---------- */
.coach-tip{
  position:absolute; left:50%; bottom:26%; transform:translateX(-50%);
  padding:8px 18px; border-radius:999px; font-size:13px;
  background:rgba(233,196,106,.14); border:1px solid rgba(233,196,106,.5);
  color:var(--gold-2); z-index:38; animation:floatIn .3s; white-space:nowrap;
}

/* ==========================================================================
   内部页面（学员端 / 指导教练端 的非房间部分）
   ========================================================================== */
.scroll{ flex:1; overflow-y:auto; overflow-x:hidden; position:relative; z-index:1; }
.pad{ padding:14px 16px 20px; }

.topnav{
  flex:0 0 auto; display:flex; align-items:center; justify-content:center;
  height:42px; position:sticky; top:0; font-size:16px; font-weight:700; z-index:30;
  background:linear-gradient(180deg,rgba(6,17,12,.97) 60%,rgba(6,17,12,.82));
  backdrop-filter:blur(8px);
}
.topnav .back{
  position:absolute; left:12px; top:50%; transform:translateY(-50%);
  width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  cursor:pointer; color:var(--tx-2); font-size:17px;
}
.topnav .back:hover{ background:rgba(31,217,138,.1); color:var(--tx); }
.topnav .tn-t{ font-size:15px; }
/* 每个子页右上角都有「返回首页」，不用退着退着才知道怎么回 */
.topnav .tn-home{
  position:absolute; right:12px; top:50%; transform:translateY(-50%);
  padding:5px 11px; border-radius:999px; cursor:pointer;
  font-size:11.5px; font-weight:600; white-space:nowrap;
  color:var(--mint); background:rgba(31,217,138,.1); border:1px solid var(--line);
}
.topnav .tn-home:hover{ border-color:var(--line-strong); background:rgba(31,217,138,.18); }

/* 页面级「返回首页」：每个 HTML 页都有，跳出手机壳回演示大厅。
   放右上角而不是右下角 —— 右下角会压住学员端底部导航的「我的」。 */
.home-fab{
  position:fixed; right:18px; top:18px; z-index:400;
  display:inline-flex; align-items:center; gap:6px;
  padding:9px 15px; border-radius:999px;
  font-size:12.5px; font-weight:700; text-decoration:none;
  color:var(--mint); background:rgba(6,20,14,.9); border:1px solid var(--line-strong);
  backdrop-filter:blur(10px); box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.home-fab:hover{ background:rgba(31,217,138,.16); color:var(--tx); }
body.embed .home-fab{ display:none; }

/* ==========================================================================
   宣传视频卡 / 视频播放弹层 / 广告弹窗（学员端）
   ========================================================================== */
.promovid{
  border:1px solid var(--line-strong); border-radius:var(--r-lg); overflow:hidden;
  background:rgba(8,22,16,.6); cursor:pointer; margin-bottom:14px;
  transition:border-color .18s, transform .18s;
}
.promovid:hover{ border-color:var(--green); transform:translateY(-1px); }
.promovid .pv-cover{
  position:relative; width:100%; aspect-ratio:16/9;
  background:linear-gradient(145deg,rgba(31,217,138,.22),rgba(233,196,106,.14) 55%,rgba(4,16,11,.95));
  display:flex; align-items:center; justify-content:center;
}
.promovid.gold .pv-cover{
  background:linear-gradient(145deg,rgba(233,196,106,.26),rgba(31,217,138,.12) 55%,rgba(4,16,11,.95));
}
.promovid .pv-cover::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(115deg,transparent 0 22px,rgba(255,255,255,.035) 22px 23px);
}
.promovid .pv-play{
  position:relative; z-index:2; width:54px; height:54px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:19px; padding-left:4px;
  background:rgba(6,20,14,.72); border:1px solid var(--line-strong); color:var(--mint);
}
.promovid .pv-cap{
  position:absolute; left:12px; right:12px; bottom:9px; z-index:2;
  font-size:10.5px; color:rgba(255,255,255,.72); letter-spacing:.5px;
}
.promovid .pv-dur{
  position:absolute; right:9px; bottom:9px; z-index:2;
  font-size:10.5px; padding:2px 7px; border-radius:5px;
  background:rgba(0,0,0,.55); color:#fff;
}
.promovid .pv-body{ padding:11px 13px 13px; }
.promovid .pv-t{ font-size:14px; font-weight:800; margin-bottom:3px; }
.promovid .pv-d{ font-size:11.5px; color:var(--tx-3); line-height:1.65; }

/* 播放弹层：占满手机壳的一条，播放器 16:9 */
.vwrap{ padding:2px 0 0; }
.vwrap video{ width:100%; aspect-ratio:16/9; background:#000; border-radius:12px; display:block; }
.vwrap .vw-ph{
  width:100%; aspect-ratio:16/9; border-radius:12px; border:1px dashed var(--line-strong);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:7px;
  background:linear-gradient(145deg,rgba(31,217,138,.13),rgba(4,16,11,.9));
  text-align:center; padding:18px;
}
.vwrap .vw-t{ font-size:14px; font-weight:800; }
.vwrap .vw-s{ font-size:11.5px; color:var(--tx-3); line-height:1.7; }
.vwrap .vw-bar{ display:flex; align-items:center; justify-content:space-between; gap:10px; margin-top:9px; }

/* 广告弹窗 */
.adbox{ position:relative; }
.adbox .ad-head{ display:flex; align-items:center; gap:7px; margin-bottom:9px; }
.adbox .ad-tag{
  font-size:10px; font-weight:700; letter-spacing:1px; padding:2px 7px; border-radius:5px;
  color:#2A1E00; background:linear-gradient(100deg,var(--gold),var(--green));
}
.adbox .ad-t{ font-size:13.5px; font-weight:800; }
.adbox .ad-close{
  margin-top:11px; width:100%; padding:11px; border-radius:11px; cursor:pointer;
  font-size:13px; font-weight:700; text-align:center;
  background:rgba(31,217,138,.13); border:1px solid var(--line-strong); color:var(--mint);
}
.adbox .ad-close.wait{
  opacity:.55; cursor:default; color:var(--tx-3);
  background:rgba(255,255,255,.05); border-color:var(--line);
}

.tabbar{
  flex:0 0 auto; display:flex; border-top:1px solid var(--line);
  background:rgba(6,20,14,.94); backdrop-filter:blur(12px); padding-bottom:4px; z-index:30;
}
.tabbar .tb{
  flex:1; text-align:center; padding:8px 2px 6px; cursor:pointer; color:var(--tx-3);
  font-size:10px; transition:.15s;
}
.tabbar .tb .ico{ display:block; font-size:19px; line-height:1.35; }
.tabbar .tb.on{ color:var(--green); }

/* 首页 hero */
.hero{
  position:relative; border-radius:var(--r-lg); overflow:hidden;
  border:1px solid var(--line); margin-bottom:14px;
  background:linear-gradient(150deg,rgba(31,217,138,.16),rgba(233,196,106,.08) 60%,rgba(6,17,12,.9));
  padding:20px 18px;
}
.hero h2{ font-size:22px; line-height:1.35; margin-bottom:6px; }
.hero h2 em{ font-style:normal; color:var(--gold); }
.hero .sub{ font-size:12px; color:var(--tx-2); margin-bottom:14px; }
.hero .stats{ display:flex; gap:18px; }
.hero .stats b{ display:block; font-size:17px; color:var(--green); }
.hero .stats span{ font-size:10px; color:var(--tx-3); }

/* 房间视频墙 */
.video-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:10px;
}
.vcard{
  border-radius:var(--r); overflow:hidden; position:relative; cursor:pointer;
  border:1px solid var(--line); background:#0A1A13; aspect-ratio:16/11;
  transition:.18s;
}
.vcard:hover{ border-color:var(--line-strong); transform:translateY(-2px); }
.vcard .thumb{
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 34% 40%,rgba(31,217,138,.2),transparent 58%),
    linear-gradient(160deg,#0D271C,#061410);
}
.vcard .mini-fig{
  position:absolute; left:50%; bottom:8px; transform:translateX(-50%);
  width:44px; height:62px;
}
.vcard .mini-fig i{ position:absolute; display:block; border-radius:50%; background:rgba(31,217,138,.28); }
.vcard .mini-fig i:nth-child(1){ width:18px; height:18px; left:13px; top:0; }
.vcard .mini-fig i:nth-child(2){ width:36px; height:30px; left:4px; top:16px; border-radius:16px 16px 8px 8px; }
.vcard .mini-fig i:nth-child(3){ width:9px; height:22px; left:8px; top:44px; border-radius:5px; }
.vcard .mini-fig i:nth-child(4){ width:9px; height:22px; left:27px; top:44px; border-radius:5px; }
.vcard .vlive{
  position:absolute; left:7px; top:7px; font-size:9px; padding:1px 7px; border-radius:6px;
  background:rgba(31,217,138,.9); color:#04170E; font-weight:700;
}
.vcard .vinfo{
  position:absolute; left:0; right:0; bottom:0; padding:16px 8px 6px;
  background:linear-gradient(0deg,rgba(3,10,7,.92),transparent);
  font-size:11px; display:flex; justify-content:space-between; align-items:center;
}
.vcard .vname{ font-weight:600; }
.vcard .vnum{ color:var(--gold); font-size:10px; }

/* 业务卡 */
.biz{
  display:flex; gap:12px; align-items:center; padding:14px;
  border-radius:var(--r); border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(16,48,36,.7),rgba(8,22,16,.85));
  margin-bottom:11px; cursor:pointer; transition:.18s; position:relative; overflow:hidden;
}
.biz:hover{ border-color:var(--line-strong); transform:translateY(-1px); }
.biz .bi{
  width:46px; height:46px; border-radius:14px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; font-size:22px;
  background:rgba(31,217,138,.12); border:1px solid var(--line-strong);
}
.biz.g .bi{ background:rgba(233,196,106,.12); border-color:rgba(233,196,106,.4); }
.biz .bt{ font-size:14px; font-weight:700; margin-bottom:2px; }
.biz .bd{ font-size:11px; color:var(--tx-2); line-height:1.5; }
.biz .bp{ font-size:13px; color:var(--gold); font-weight:800; white-space:nowrap; flex:0 0 auto; }
.biz .bp small{ font-size:10px; color:var(--tx-3); font-weight:400; }

/* 价格卡 */
.price-card{
  border:1px solid var(--line-strong); border-radius:var(--r); padding:16px;
  background:linear-gradient(150deg,rgba(31,217,138,.14),rgba(8,22,16,.9));
  position:relative; overflow:hidden; cursor:pointer; transition:.18s;
}
.price-card:hover{ transform:translateY(-2px); box-shadow:0 12px 34px rgba(0,0,0,.4); }
.price-card.gold{ border-color:rgba(233,196,106,.5); background:linear-gradient(150deg,rgba(233,196,106,.14),rgba(8,22,16,.9)); }
.price-card .pc-old{ font-size:12px; color:var(--tx-3); text-decoration:line-through; margin-left:6px; }
.price-card .pc-num{ font-size:26px; font-weight:800; color:var(--green); }
.price-card.gold .pc-num{ color:var(--gold); }
.price-card .pc-num small{ font-size:13px; font-weight:600; }
.price-card .pc-tag{
  position:absolute; right:-26px; top:11px; transform:rotate(38deg);
  background:linear-gradient(90deg,var(--gold),#c79b34); color:#2A1E00;
  font-size:10px; font-weight:800; padding:3px 30px;
}

/* 列表行 */
.li{
  display:flex; align-items:center; gap:11px; padding:12px; border-radius:var(--r);
  border:1px solid var(--line); background:rgba(10,26,19,.6); margin-bottom:9px;
}
.li .lic{
  width:40px; height:40px; border-radius:12px; flex:0 0 auto; object-fit:cover;
  object-position:center 18%; border:1px solid var(--line-strong);
}
.li .lt{ font-size:13px; font-weight:600; }
.li .ld{ font-size:11px; color:var(--tx-2); }

/* 滚屏公告（双份内容无缝滚动，首屏即可见） */
.marquee{
  overflow:hidden; white-space:nowrap; border-radius:999px;
  border:1px solid rgba(233,196,106,.28); background:rgba(233,196,106,.07);
  padding:6px 0; margin-bottom:13px; position:relative;
}
.marquee .mq-in{
  display:inline-flex; white-space:nowrap; animation:marquee 34s linear infinite; will-change:transform;
}
.marquee .mq-in span{
  padding-right:64px; font-size:12px; color:var(--gold-2); white-space:nowrap;
}
.marquee .mq-in span b{ color:var(--green); }
@keyframes marquee{ 0%{ transform:translateX(0); } 100%{ transform:translateX(-50%); } }

/* ==========================================================================
   指导教练端
   ========================================================================== */
.gd-layout{ display:flex; height:100%; }
.gd-rooms{
  width:132px; flex:0 0 auto; border-right:1px solid var(--line);
  overflow-y:auto; background:rgba(6,18,13,.7);
}
.gd-room{
  padding:9px 10px; border-bottom:1px solid rgba(31,217,138,.08); cursor:pointer;
  position:relative; transition:.14s;
}
.gd-room:hover{ background:rgba(31,217,138,.06); }
.gd-room.on{ background:rgba(31,217,138,.12); box-shadow:inset 3px 0 0 var(--green); }
.gd-room .gr-n{ font-size:12px; font-weight:600; display:flex; justify-content:space-between; gap:4px; }
.gd-room .gr-s{ font-size:10px; color:var(--tx-3); margin-top:2px; }
.gd-room .dot{
  position:absolute; right:8px; top:11px; width:7px; height:7px; border-radius:50%; background:var(--tx-3);
}
.gd-room .dot.ask{ background:var(--green); animation:blink 1.2s infinite; }
.gd-room .dot.bad{ background:var(--danger); animation:blink 1s infinite; }
.gd-room .dot.mine{ background:var(--gold); }

.gd-main{ flex:1; display:flex; flex-direction:column; min-width:0; }
.gd-head{
  padding:10px 14px; border-bottom:1px solid var(--line); flex:0 0 auto;
  background:rgba(8,22,16,.8);
}
.gd-body{ flex:1; overflow-y:auto; padding:13px 14px; }

/* 当前问题（一行显示） */
.q-line{
  border:1px solid var(--line-strong); border-radius:var(--r); padding:12px 14px;
  background:linear-gradient(140deg,rgba(31,217,138,.1),rgba(8,22,16,.85)); margin-bottom:12px;
}
.q-line.med{ border-color:var(--med-line); background:var(--med-bg); }
.q-line .ql-head{ display:flex; align-items:center; gap:7px; margin-bottom:7px; }
.q-line .ql-txt{
  font-size:14px; font-weight:600; line-height:1.5;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.q-line .ql-meta{ font-size:11px; color:var(--tx-3); margin-top:5px; }

/* 排队列表（只一行，不显示对话） */
.queue-item{
  display:flex; align-items:center; gap:8px; padding:8px 11px; border-radius:10px;
  background:rgba(10,26,19,.7); border:1px solid var(--line); margin-bottom:7px;
  font-size:12px; cursor:pointer;
}
.queue-item:hover{ border-color:var(--line-strong); }
.queue-item .qi-t{ flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.queue-item .qi-n{ font-size:10px; color:var(--tx-3); }

/* AI 预填框 */
.ai-box{
  border:1px dashed rgba(31,217,138,.4); border-radius:var(--r); padding:11px;
  background:rgba(31,217,138,.05); margin-bottom:12px;
}
.ai-box .ab-head{
  font-size:11px; color:var(--green); font-weight:700; display:flex;
  justify-content:space-between; align-items:center; margin-bottom:8px;
}
.answer-list{ display:flex; flex-direction:column; gap:6px; }
.answer-opt{
  font-size:12px; padding:7px 11px; border-radius:9px; cursor:pointer;
  border:1px solid var(--line); background:rgba(4,16,11,.6); color:var(--tx-2);
  transition:.14s; line-height:1.5;
}
.answer-opt:hover{ border-color:var(--line-strong); color:var(--tx); }
.answer-opt.on{ border-color:var(--green); color:var(--tx); background:rgba(31,217,138,.13); }

/* 喊话面板 */
.shout-box{
  border:1px solid rgba(233,196,106,.4); border-radius:var(--r); padding:12px;
  background:rgba(233,196,106,.06); margin-bottom:12px;
}
.shout-box .sb-head{ font-size:11px; color:var(--gold); font-weight:700; margin-bottom:8px; display:flex; align-items:center; gap:6px; }
.shout-opt{
  display:flex; align-items:center; gap:9px; padding:8px 10px; border-radius:9px;
  border:1px solid var(--line); background:rgba(4,16,11,.6); margin-bottom:6px; cursor:pointer;
}
.shout-opt:hover{ border-color:rgba(233,196,106,.5); }
.shout-opt.on{ border-color:var(--gold); background:rgba(233,196,106,.12); }
.shout-opt .so-t{ flex:1; font-size:12px; }
.play-mini{
  width:26px; height:26px; border-radius:50%; flex:0 0 auto; cursor:pointer;
  display:flex; align-items:center; justify-content:center; font-size:11px;
  background:rgba(233,196,106,.15); border:1px solid rgba(233,196,106,.45); color:var(--gold);
}

/* 异常告警 */
.alert-line{
  display:flex; align-items:center; gap:9px; padding:9px 12px; border-radius:11px;
  border:1px solid rgba(255,107,107,.42); background:rgba(255,107,107,.09);
  margin-bottom:9px; font-size:12px;
}
.alert-line .al-ico{ font-size:15px; }

/* 统计小卡 */
.mini-stat{
  flex:1; text-align:center; padding:9px 4px; border-radius:11px;
  border:1px solid var(--line); background:rgba(10,26,19,.6);
}
.mini-stat b{ display:block; font-size:17px; color:var(--green); }
.mini-stat span{ font-size:10px; color:var(--tx-3); }

/* ==========================================================================
   管理后台
   ========================================================================== */
.admin{ display:flex; height:100vh; overflow:hidden; position:relative; z-index:1; }
.side{
  width:216px; flex:0 0 auto; border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,26,19,.95),rgba(6,17,12,.98));
  display:flex; flex-direction:column;
}
.side .brand{
  padding:18px 18px 14px; display:flex; align-items:center; gap:10px;
  border-bottom:1px solid var(--line);
}
.side .brand img{ width:34px; height:34px; border-radius:10px; object-fit:cover; flex:0 0 auto; }
.side .brand b{ font-size:16px; display:block; letter-spacing:1px; white-space:nowrap; }
.side .brand span{ font-size:10px; color:var(--gold); letter-spacing:1.6px; }
.nav{ flex:1; overflow-y:auto; padding:10px 9px; }
.nav .ng{ font-size:10px; color:var(--tx-3); padding:11px 10px 5px; letter-spacing:1px; }
.nav a{
  display:flex; align-items:center; gap:9px; padding:9px 11px; border-radius:10px;
  color:var(--tx-2); font-size:13px; cursor:pointer; margin-bottom:2px; transition:.14s;
}
.nav a:hover{ background:rgba(31,217,138,.08); color:var(--tx); }
.nav a.on{ background:linear-gradient(90deg,rgba(31,217,138,.2),rgba(31,217,138,.03)); color:var(--tx); box-shadow:inset 3px 0 0 var(--green); }
.nav a .badge{
  margin-left:auto; font-size:10px; padding:1px 7px; border-radius:999px;
  background:rgba(255,107,107,.9); color:#fff; font-weight:700;
}
.side .foot{ padding:12px; border-top:1px solid var(--line); font-size:11px; color:var(--tx-3); }

.main-wrap{ flex:1; display:flex; flex-direction:column; min-width:0; }
.topbar{
  height:56px; flex:0 0 auto; border-bottom:1px solid var(--line); display:flex;
  align-items:center; justify-content:space-between; padding:0 22px;
  background:rgba(8,22,16,.7); backdrop-filter:blur(10px);
}
.topbar h2{ font-size:16px; }
.topbar .sub{ font-size:11px; color:var(--tx-3); }
.content{ flex:1; overflow-y:auto; padding:20px 22px 40px; }

.kpi-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:12px; margin-bottom:18px; }
.kpi{
  border:1px solid var(--line); border-radius:var(--r); padding:14px;
  background:linear-gradient(150deg,rgba(31,217,138,.09),rgba(8,22,16,.85));
}
.kpi .k-l{ font-size:11px; color:var(--tx-3); margin-bottom:5px; }
.kpi .k-v{ font-size:24px; font-weight:800; color:var(--green); }
.kpi .k-v.gold{ color:var(--gold); }
.kpi .k-d{ font-size:11px; color:var(--tx-2); margin-top:3px; }

table.tb{ width:100%; border-collapse:collapse; font-size:12.5px; }
table.tb th{
  text-align:left; padding:10px 12px; color:var(--tx-3); font-weight:600; font-size:11.5px;
  border-bottom:1px solid var(--line); white-space:nowrap; letter-spacing:.3px;
}
table.tb td{ padding:11px 12px; border-bottom:1px solid rgba(31,217,138,.07); vertical-align:middle; }
table.tb tr:hover td{ background:rgba(31,217,138,.04); }
.tb-wrap{ border:1px solid var(--line); border-radius:var(--r); overflow:hidden; background:rgba(8,22,16,.5); }
.tb-wrap .tb-scroll{ overflow-x:auto; }

.avatar-s{ width:32px; height:32px; border-radius:9px; object-fit:cover; object-position:center 18%; border:1px solid var(--line-strong); }

.pager{ display:flex; gap:6px; align-items:center; justify-content:flex-end; padding:11px 12px; font-size:12px; color:var(--tx-3); }

.form-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:13px; }
.form-item label{ display:block; font-size:11.5px; color:var(--tx-2); margin-bottom:5px; }
.form-item .field{ font-size:13px; }

.modal{
  position:fixed; inset:0; background:rgba(3,10,7,.8); backdrop-filter:blur(7px);
  z-index:9000; display:none; align-items:center; justify-content:center; padding:24px;
}
.modal.show{ display:flex; }
.modal .mbox{
  width:100%; max-width:640px; max-height:86vh; overflow:auto;
  background:linear-gradient(160deg,#102A20,#08170F);
  border:1px solid var(--line-strong); border-radius:var(--r-lg);
  padding:22px; box-shadow:var(--shadow);
}
.modal .mbox h3{ font-size:16px; margin-bottom:4px; }
.modal .mfoot{ display:flex; justify-content:flex-end; gap:9px; margin-top:18px; }

.switch{
  width:40px; height:22px; border-radius:999px; border:1px solid var(--line);
  background:rgba(4,16,11,.8); position:relative; cursor:pointer; transition:.18s; flex:0 0 auto;
  display:inline-block; vertical-align:middle;
}
.switch i{
  position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%;
  background:var(--tx-3); transition:.18s;
}
.switch.on{ background:rgba(31,217,138,.25); border-color:var(--line-strong); }
.switch.on i{ left:20px; background:var(--green); }

/* 分层图（后台「框架」页） */
.layer-map{ display:flex; flex-direction:column; }
.lm-row{ display:flex; align-items:stretch; gap:12px; }
.lm-tag{
  flex:0 0 54px; display:flex; align-items:center; justify-content:center;
  border-radius:10px; font-size:12px; font-weight:700; color:var(--gold);
  background:rgba(233,196,106,.10); border:1px solid rgba(233,196,106,.32);
}
.lm-boxes{ flex:1; display:flex; gap:9px; flex-wrap:wrap; }
.lm-box{
  flex:1 1 150px; padding:9px 12px; border-radius:10px; font-size:12px; line-height:1.45;
  background:var(--panel); border:1px solid var(--line);
}
.lm-box:hover{ border-color:var(--line-strong); }
.lm-link{
  text-align:center; font-size:13px; color:var(--tx-3); padding:5px 0 5px 66px;
}

/* 柱状图（纯 CSS） */
.bars{ display:flex; align-items:flex-end; gap:9px; height:130px; padding:0 4px; }
.bars .bar{
  flex:1; border-radius:8px 8px 0 0; min-height:4px;
  background:linear-gradient(180deg,var(--green),rgba(31,217,138,.18));
  position:relative; transition:.4s;
}
.bars .bar:hover{ filter:brightness(1.25); }
.bars .bar span{
  position:absolute; bottom:-20px; left:50%; transform:translateX(-50%);
  font-size:10px; color:var(--tx-3); white-space:nowrap;
}
.bars .bar b{
  position:absolute; top:-17px; left:50%; transform:translateX(-50%);
  font-size:10px; color:var(--mint); font-weight:700;
}

/* 提示条 */
.tip{
  display:flex; gap:9px; align-items:flex-start; padding:11px 13px; border-radius:11px;
  font-size:12px; line-height:1.6; margin-bottom:14px;
  border:1px solid var(--line); background:rgba(31,217,138,.06); color:var(--tx-2);
}
.tip.gold{ border-color:rgba(233,196,106,.34); background:rgba(233,196,106,.07); color:var(--gold-2); }
.tip.red{ border-color:rgba(255,107,107,.34); background:rgba(255,107,107,.07); color:#FFB3B3; }
.tip .ti{ font-size:15px; line-height:1.3; flex:0 0 auto; }

/* ==========================================================================
   演示大厅 / 同屏
   ========================================================================== */
.stage-wrap{ display:flex; gap:20px; align-items:flex-start; justify-content:center; padding:24px; }
.stage-col{ display:flex; flex-direction:column; gap:10px; align-items:center; }
.stage-col .lbl{
  font-size:11px; letter-spacing:1.4px; color:var(--tx-3); text-transform:uppercase;
}
.stage-frame{
  border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--line);
  background:#061410; box-shadow:var(--shadow); position:relative;
}
.stage-frame iframe{ display:block; border:0; background:#061410; }

.sync-toolbar{
  position:fixed; left:50%; bottom:18px; transform:translateX(-50%); z-index:500;
  display:flex; gap:9px; align-items:center; padding:10px 16px; border-radius:999px;
  background:rgba(8,22,16,.94); border:1px solid var(--line-strong);
  backdrop-filter:blur(14px); box-shadow:var(--shadow);
}
.sync-toolbar .st-lbl{ font-size:12px; color:var(--tx-2); margin-right:4px; }
.sync-toolbar .st-lbl b{ color:var(--gold); }

.hall{ max-width:1180px; margin:0 auto; padding:44px 24px 90px; position:relative; z-index:1; }
.hall-head{ text-align:center; margin-bottom:38px; }
.hall-head .logo{ width:74px; height:74px; border-radius:20px; object-fit:cover; margin-bottom:16px; border:1px solid var(--line-strong); }
.hall-head h1{ font-size:38px; letter-spacing:5px; background:linear-gradient(100deg,var(--green),var(--gold)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hall-head .sh{ font-size:13px; color:var(--tx-2); letter-spacing:3px; margin-top:8px; }
.hall-head .desc{ font-size:13px; color:var(--tx-3); margin-top:14px; line-height:1.9; max-width:640px; margin-left:auto; margin-right:auto; }

.entry-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:16px; margin-bottom:34px; }
.entry{
  border:1px solid var(--line); border-radius:var(--r-lg); padding:22px;
  background:linear-gradient(155deg,rgba(16,48,36,.8),rgba(8,22,16,.9));
  cursor:pointer; transition:.2s; position:relative; overflow:hidden;
}
.entry:hover{ transform:translateY(-3px); border-color:var(--line-strong); box-shadow:0 16px 44px rgba(0,0,0,.4); }
.entry::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 85% 10%,rgba(31,217,138,.14),transparent 60%);
  opacity:0; transition:.25s;
}
.entry:hover::after{ opacity:1; }
.entry .ei{
  width:50px; height:50px; border-radius:15px; display:flex; align-items:center; justify-content:center;
  font-size:24px; margin-bottom:13px; background:rgba(31,217,138,.12); border:1px solid var(--line-strong);
}
.entry.gold .ei{ background:rgba(233,196,106,.12); border-color:rgba(233,196,106,.4); }
.entry h3{ font-size:16px; margin-bottom:6px; }
.entry p{ font-size:12px; color:var(--tx-2); line-height:1.75; }
.entry .ef{ margin-top:14px; font-size:12px; color:var(--green); font-weight:600; }
.entry.gold .ef{ color:var(--gold); }

.feat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:13px; }
.feat{ border:1px solid var(--line); border-radius:var(--r); padding:15px; background:rgba(10,26,19,.6); }
.feat b{ font-size:13px; display:block; margin-bottom:5px; color:var(--tx); }
.feat span{ font-size:11.5px; color:var(--tx-2); line-height:1.7; }

/* ---------- 语音录制台 ---------- */
.rec-card{ border-color:var(--line-strong); }
.rec-stage{
  margin-top:14px; padding:16px 14px; border-radius:12px; text-align:center;
  background:linear-gradient(180deg,rgba(6,20,14,.9),rgba(4,14,10,.9));
  border:1px solid var(--line); transition:.2s;
}
.rec-stage.on{ border-color:var(--green); box-shadow:0 0 0 1px rgba(31,217,138,.28) inset, 0 0 22px rgba(31,217,138,.14); }
.rec-time{ font-size:30px; font-weight:800; letter-spacing:1px; color:var(--green); line-height:1.1; }
.rec-stage.on .rec-time{ color:#FF6B6B; }
.rec-bars{ display:flex; align-items:center; justify-content:center; gap:3px; height:34px; margin:10px 0 8px; }
.rec-bars i{
  display:block; width:4px; height:5px; border-radius:2px; background:var(--green);
  opacity:.35; transition:height .09s linear, opacity .09s linear;
}
.rec-stage.on .rec-bars i{ background:#FF6B6B; }

/* ---------- 逐条录：当前要念的那一句 ---------- */
.rec-line{
  font-size:17px; line-height:1.65; font-weight:700; color:var(--text);
  padding:14px 16px; border-radius:12px;
  background:linear-gradient(180deg, rgba(31,217,138,.10), rgba(31,217,138,.03));
  border:1px dashed rgba(31,217,138,.34);
  min-height:62px; display:flex; align-items:center;
}

/* ---------- 分享给配音人：勾选句子 / 进度条 ---------- */
.task-pick{ display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:7px; }
.tp{
  display:flex; align-items:flex-start; gap:7px; cursor:pointer;
  padding:8px 10px; border-radius:9px; font-size:12px; line-height:1.55;
  background:rgba(8,22,16,.5); border:1px solid var(--line); color:var(--text-dim);
}
.tp.on{ border-color:rgba(31,217,138,.4); color:var(--text); background:rgba(31,217,138,.07); }
.tp input{ margin-top:2px; accent-color:#1FD98A; }
.prog{ height:7px; border-radius:99px; background:rgba(255,255,255,.08); overflow:hidden; }
.prog i{ display:block; height:100%; background:linear-gradient(90deg,#1FD98A,#F5C451); transition:width .3s; }

/* ---------- 分页 ---------- */
.pager{
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  margin:10px 0 4px; padding:9px 12px; border-radius:10px;
  background:rgba(8,22,16,.55); border:1px solid var(--line);
}
.pager .dim{ font-size:11.5px; }
.pager .btn[disabled]{ opacity:.38; cursor:not-allowed; }
.pg-num{ font-size:12px; font-weight:700; color:var(--gold); min-width:46px; text-align:center; }

/* ---------- 视频审核预览框 ---------- */
.vd-box{
  border:1px solid var(--line); border-radius:10px; overflow:hidden; background:rgba(4,14,10,.7);
}
.vd-ph{
  padding:26px 14px; text-align:center; display:flex; flex-direction:column; gap:6px; align-items:center;
}

/* 响应式 */
@media (max-width:1240px){
  .stage-wrap{ flex-wrap:wrap; }
}
@media (max-width:900px){
  .side{ width:64px; }
  .side .brand span,.nav a span,.side .foot,.nav .ng{ display:none; }
  .nav a{ justify-content:center; }
}

/* 移动端：手机壳去掉外框，占满视口，核心操作一屏放下（375/414） */
@media (max-width:480px){
  .phone{
    width:100vw; height:100vh; height:100dvh;
    border-radius:0; padding:0; border:0; box-shadow:none;
  }
  .phone-screen{ border-radius:0; }
  .notch{ display:none; }
  .statusbar{ padding-top:env(safe-area-inset-top,0); }
  .tabbar{ padding-bottom:env(safe-area-inset-bottom,0); }
  .home-fab{ display:none; }
  /* 竖屏进房：网页没法强制横屏。第一行留给教练卡片与右上按钮，
     指标条下移到第二行，飘屏再往下，避免互相压住 */
  .hud{ top:70px; gap:6px; }
  .hud-pill{ padding:4px 10px; font-size:11px; white-space:nowrap; }
  .float-layer{ top:112px; }
}


/* ---------- 房间文字聊天（学员端 / 教练端共用） ---------- */
.chat{ display:flex; flex-direction:column; min-height:0; height:100%; }
.chat-list{
  flex:1 1 auto; min-height:0; overflow-y:auto; padding:10px 12px;
  display:flex; flex-direction:column; gap:8px; -webkit-overflow-scrolling:touch;
}
.cb{ max-width:82%; padding:7px 10px; border-radius:12px; font-size:13px; line-height:1.55; word-break:break-word; overflow-wrap:anywhere; }
.cb.ot{ align-self:flex-start; background:rgba(233,196,106,.12); border:1px solid rgba(233,196,106,.35); }
.cb.me{ align-self:flex-end; background:rgba(31,217,138,.16); border:1px solid rgba(31,217,138,.4); }
.cb.me.sending{ opacity:.65; }
.cb.me.failed{ border-color:rgba(255,107,107,.7); }
.cb-n{ font-size:10.5px; color:var(--gold); margin-bottom:2px; }
.cb-t{ white-space:pre-wrap; }
.cb-m{ font-size:10px; color:var(--tx-3); margin-top:2px; text-align:right; }
.cb-retry{ color:#FF6B6B; cursor:pointer; text-decoration:underline; }
.cb-more{ text-align:center; font-size:11.5px; }
.cb-more a{ color:var(--mint); cursor:pointer; }
.cb-empty{ text-align:center; color:var(--tx-3); font-size:12px; padding:18px 0; }
.chat-compose{ flex:0 0 auto; display:flex; gap:8px; align-items:flex-end; padding:8px 12px 0; }
.chat-in{
  flex:1; min-width:0; background:rgba(4,16,11,.9); border:1px solid var(--line);
  border-radius:12px; padding:9px 12px; color:var(--tx); font-size:14px;
  font-family:inherit; outline:none; resize:none; max-height:80px; line-height:1.5;
}
.chat-in:focus{ border-color:var(--line-strong); }
.chat-send{
  flex:0 0 auto; padding:9px 16px; border-radius:12px; border:none; cursor:pointer;
  background:linear-gradient(135deg,var(--green),#0E8B57); color:#04170E;
  font-weight:700; font-size:14px; font-family:inherit;
}
.chat-cnt{ flex:0 0 auto; text-align:right; font-size:10px; color:var(--tx-3); padding:2px 14px 8px; }
/* 学员房间内的聊天面板：靠右浮层，不遮住底部操作条 */
.chatp{
  position:absolute; right:0; top:0; bottom:0; z-index:125; width:min(360px,64%);
  display:none; flex-direction:column;
  background:rgba(8,24,17,.97); border-left:1px solid var(--line-strong); backdrop-filter:blur(14px);
}
.chatp.show{ display:flex; }
.chatp-h{ flex:0 0 auto; display:flex; align-items:center; justify-content:space-between; padding:10px 14px; font-size:13px; font-weight:700; border-bottom:1px solid var(--line); }
.chatp-h .x{ cursor:pointer; color:var(--tx-2); padding:0 4px; }
.chatp-b{ flex:1 1 auto; min-height:0; }
.icon-btn{ position:relative; }
.icon-btn .dot{ position:absolute; right:3px; top:3px; width:9px; height:9px; border-radius:50%; background:#FF6B6B; display:none; }
.icon-btn.has-new .dot{ display:block; }
/* 教练端聊天页 */
.cchat{ display:flex; flex-direction:column; height:100%; min-height:0; }
.cchat-rooms{ flex:0 0 auto; display:flex; gap:7px; overflow-x:auto; padding:10px 12px 8px; border-bottom:1px solid var(--line); }
.cchat-rooms .rt{
  flex:0 0 auto; position:relative; font-size:12px; padding:6px 12px; border-radius:999px; cursor:pointer;
  border:1px solid var(--line); color:var(--tx-2); white-space:nowrap;
}
.cchat-rooms .rt.on{ border-color:var(--green); color:var(--tx); background:rgba(31,217,138,.12); }
.cchat-rooms .rt.new::after{ content:''; position:absolute; right:2px; top:2px; width:8px; height:8px; border-radius:50%; background:#FF6B6B; }
.cchat-body{ flex:1 1 auto; min-height:0; }
@media (max-width:480px){
  .chatp{ width:100%; }
  .cb{ max-width:90%; }
}

/* ---------- 管理后台：手机宽度不横向溢出 ---------- */
.login-box{ max-width:calc(100vw - 32px); }
@media (max-width:480px){
  .login-box{ width:auto; }
  .login-screen{ padding:16px; }
  .topbar{ height:auto; flex-wrap:wrap; gap:8px; padding:8px 12px; }
  .topbar .row{ flex-wrap:wrap; }
  .content{ padding:14px 12px 30px; }
  .modal{ padding:12px; }
  .grid-2,.grid-3{ grid-template-columns:1fr; }
}