/* ========== 基础 & 变量 ========== */
:root {
  --bg: #080818;
  --bg2: #0d0d2b;
  --card: rgba(255,255,255,0.06);
  --gold: #FFD700;
  --red: #E53935;
  --text: #fff;
  --muted: rgba(255,255,255,0.55);
  --border: rgba(255,215,0,0.15);
  --radius: 16px;
  --grad-1: #1a0a3e;
  --grad-2: #0d0d2b;
  --grad-3: #080818;
  --tech-grad: linear-gradient(135deg, #1a0a3e 0%, #151540 30%, #0a0a2e 60%, #080820 100%);
  --slot-item-h: 80px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  background:linear-gradient(-45deg,#8b5cf6,#d946ef,#ec4899,#3b82f6,#22d3ee,#a855f7);
  background-size:400% 400%;
  animation:gradientShift 25s ease infinite;
  color:var(--text);min-height:100vh;overflow-x:hidden;
}
@keyframes gradientShift{
  0%{background-position:0% 50%;}
  25%{background-position:50% 0%;}
  50%{background-position:100% 50%;}
  75%{background-position:50% 100%;}
  100%{background-position:0% 50%;}
}
#app{min-height:100vh;position:relative;z-index:1;}

/* ========== 通用按钮 ========== */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 36px;border:none;border-radius:50px;
  font-size:17px;font-weight:700;cursor:pointer;
  background:linear-gradient(135deg,#FFD700,#FFA500);
  color:#1a0a2e;box-shadow:0 4px 24px rgba(255,215,0,0.4);
  transition:all .3s;text-decoration:none;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 6px 32px rgba(255,215,0,0.6);}
.btn-glow:disabled{opacity:0.4;cursor:not-allowed;transform:none;}

/* ========== 背景粒子 ========== */
.bg-particle{
  position:absolute;border-radius:50%;
  background:rgba(255,215,0,0.4);
  animation:particleFloat linear infinite;
}
@keyframes particleFloat{
  0%{transform:translateY(0) scale(1);opacity:0;}
  10%{opacity:0.6;}
  90%{opacity:0.6;}
  100%{transform:translateY(-100vh) scale(0.5);opacity:0;}
}

/* 网格背景 */
.idle-bg-grid,.search-bg-grid,.lottery-bg-grid{
  position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,215,0,0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,215,0,0.03) 1px,transparent 1px);
  background-size:60px 60px;
}

/* 科技渐变光效背景 */
.tech-bg-glow{
  position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(120,50,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(0,180,255,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(255,215,0,0.04) 0%, transparent 70%);
  animation:bgGlowShift 8s ease-in-out infinite alternate;
}
@keyframes bgGlowShift{
  0%{opacity:0.7;filter:hue-rotate(0deg);}
  100%{opacity:1;filter:hue-rotate(15deg);}
}

/* ========== 登录页 ========== */
.login-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
  background:transparent;
}
.login-particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;}
.login-box{width:100%;max-width:420px;padding:20px;position:relative;z-index:2;text-align:center;}
.login-logo-img{
  width:95%;max-width:480px;margin:0 auto 4px;display:block;
  filter:drop-shadow(0 0 20px rgba(255,215,0,0.3));
  animation:logoFloat 3s ease-in-out infinite;
}
@keyframes logoFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-6px);}
}
.login-slogan{font-size:16px;color:var(--muted);letter-spacing:8px;margin-bottom:36px;}
.login-card{
  background:var(--card);backdrop-filter:blur(20px);
  border-radius:var(--radius);padding:28px 24px;
  border:1px solid var(--border);
}
.login-field{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.06);border:2px solid rgba(255,215,0,0.15);
  border-radius:12px;padding:4px 16px;margin-bottom:16px;
  transition:border-color .3s;
}
.login-field:focus-within{border-color:var(--gold);}
.field-icon{font-size:18px;flex-shrink:0;}
.login-field input{
  flex:1;border:none;background:transparent;color:#fff;font-size:16px;padding:12px 0;outline:none;
}
.login-field input::placeholder{color:var(--muted);}
.login-card .btn-glow{width:100%;margin-top:8px;}
.login-hint{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.6;}

/* ========== 待机页 ========== */
.idle-screen{
  min-height:100vh;position:relative;overflow:hidden;cursor:pointer;
  background:transparent;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
}
.idle-particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:1;}
.idle-center{position:relative;z-index:3;text-align:center;}
.idle-title-img{
  width:95%;max-width:800px;display:block;margin:0 auto;
  filter:drop-shadow(0 0 30px rgba(255,215,0,0.3));
  animation:titleFloat 4s ease-in-out infinite;
}
@keyframes titleFloat{
  0%,100%{transform:translateY(0) scale(1);}
  50%{transform:translateY(-8px) scale(1.02);}
}
.idle-subtitle{
  font-size:22px;color:rgba(255,255,255,0.6);letter-spacing:10px;margin-top:12px;
  text-shadow:0 0 20px rgba(255,215,0,0.2);
}
.idle-hint{
  position:absolute;bottom:80px;left:50%;transform:translateX(-50%);z-index:3;
  font-size:18px;color:rgba(255,215,0,0.7);letter-spacing:6px;
  animation:hintPulse 2s ease-in-out infinite;
  text-shadow:0 0 15px rgba(255,215,0,0.3);
}
@keyframes hintPulse{
  0%,100%{opacity:0.5;transform:translateX(-50%) scale(1);}
  50%{opacity:1;transform:translateX(-50%) scale(1.05);}
}
.idle-actions{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;gap:12px;
}
.idle-action-btn{
  padding:10px 20px;border-radius:24px;
  background:rgba(255,255,255,0.08);border:1px solid var(--border);
  color:var(--muted);font-size:14px;cursor:pointer;
  transition:all .3s;backdrop-filter:blur(8px);
}
.idle-action-btn:hover{background:rgba(255,215,0,0.15);color:var(--gold);border-color:var(--gold);}

/* 奖品飘浮气泡 - 放大版 */
.idle-prize-float{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2;pointer-events:none;overflow:hidden;}
.prize-bubble{
  position:absolute;
  width:180px;padding:10px 12px;border-radius:18px;text-align:center;
  background:rgba(10,10,26,0.9);border:1px solid var(--border);
  backdrop-filter:blur(12px);
  box-shadow:var(--glow);
  animation:bubbleFloat var(--duration) var(--delay) linear infinite;
  opacity:0;
}
.bubble-icon{width:100px;height:80px;margin:0 auto 6px;overflow:hidden;}
.bubble-icon img{width:100%;height:100%;object-fit:contain;}
.bubble-level{font-size:16px;font-weight:800;color:var(--color);}
.bubble-name{font-size:12px;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

@keyframes bubbleFloat{
  0%{left:-200px;top:var(--startY);opacity:0;transform:translateY(0) scale(0.8);}
  3%{opacity:0.9;transform:translateY(-10px) scale(1);}
  15%{transform:translateY(25px) scale(1.03);}
  30%{transform:translateY(-20px) scale(0.97);opacity:0.9;}
  45%{transform:translateY(15px) scale(1.02);}
  60%{transform:translateY(-25px) scale(0.96);opacity:0.85;}
  75%{transform:translateY(20px) scale(1.01);}
  90%{opacity:0.7;transform:translateY(-10px) scale(0.98);}
  100%{left:110%;top:calc(var(--startY) - 30px);opacity:0;transform:translateY(0) scale(0.8);}
}

/* ========== 中奖播报 Toast ========== */
.winner-toast{
  position:fixed;top:60px;right:-400px;z-index:999;
  background:linear-gradient(135deg,rgba(26,10,62,0.95),rgba(10,10,26,0.95));
  border:1px solid var(--gold);border-radius:16px;
  padding:12px 20px;display:flex;align-items:center;gap:14px;
  box-shadow:0 0 30px rgba(255,215,0,0.3);
  transition:right .5s cubic-bezier(0.68,-0.55,0.265,1.55);
  max-width:360px;
}
.winner-toast.wt-show{right:20px;}
.wt-img{width:50px;height:50px;border-radius:10px;overflow:hidden;flex-shrink:0;border:2px solid var(--gold);}
.wt-img img{width:100%;height:100%;object-fit:cover;}
.wt-name{font-size:16px;font-weight:700;color:var(--gold);}
.wt-prize{font-size:13px;font-weight:600;margin-top:2px;}

/* ========== 搜索页 ========== */
.search-screen{
  min-height:100vh;padding:20px;position:relative;
  background:transparent;
}
.search-header{display:flex;align-items:center;gap:16px;margin-bottom:24px;position:relative;z-index:2;}
.search-back{color:var(--gold);font-size:16px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .3s;}
.search-back:hover{background:rgba(255,215,0,0.1);}
.search-title{font-size:20px;font-weight:700;color:var(--gold);}
.search-body{max-width:520px;margin:0 auto;position:relative;z-index:2;}

.search-input-wrap{position:relative;margin-bottom:20px;}
.search-input-wrap input{
  width:100%;padding:16px 20px;font-size:18px;
  background:var(--card);border:2px solid var(--border);
  border-radius:14px;color:#fff;outline:none;
  transition:border-color .3s;backdrop-filter:blur(10px);
}
.search-input-wrap input:focus{border-color:var(--gold);}
.search-input-wrap input::placeholder{color:var(--muted);}

.autocomplete-list{
  position:absolute;left:0;right:0;top:100%;z-index:100;
  background:#1a0a3e;border:1px solid var(--border);border-radius:12px;
  max-height:240px;overflow-y:auto;margin-top:4px;
}
.ac-item{
  padding:12px 16px;cursor:pointer;
  border-bottom:1px solid rgba(255,255,255,0.05);
  display:flex;justify-content:space-between;align-items:center;
}
.ac-item:hover{background:rgba(255,215,0,0.08);}
.ac-name{font-weight:700;color:var(--gold);font-size:15px;}
.ac-detail{font-size:12px;color:var(--muted);}

.student-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;text-align:center;
  margin-bottom:20px;backdrop-filter:blur(10px);
}
.sc-name{font-size:22px;font-weight:700;color:var(--gold);}
.sc-detail{font-size:14px;color:var(--muted);margin-top:6px;}

.btn-start-lottery{width:100%;font-size:20px;padding:18px;}

/* ========== 抽奖页 ========== */
.lottery-screen{
  min-height:100vh;position:relative;overflow:hidden;
  background:transparent;
}
.lottery-header{
  display:flex;align-items:center;justify-content:center;
  padding:8px 20px;position:relative;z-index:5;
}
.lottery-back{color:var(--gold);font-size:16px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .3s;}
.lottery-back:hover{background:rgba(255,215,0,0.1);}

.lottery-body-slot{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:calc(100vh - 40px);padding:0 12px 6px;
  position:relative;z-index:2;gap:4px;
}

/* ========== 学生名字 ========== */
.lottery-student-hero{
  text-align:center;position:relative;z-index:5;
}
.lsh-name{
  font-size:42px;font-weight:900;letter-spacing:4px;
  background:linear-gradient(135deg,#FFD700,#FFF,#FF6B35,#FFD700);
  background-size:200% 200%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  animation:nameShimmer 3s ease-in-out infinite;
  filter:drop-shadow(0 0 20px rgba(255,215,0,0.4));
}
@keyframes nameShimmer{
  0%,100%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
}
.lsh-campus{
  font-size:15px;color:rgba(255,215,0,0.7);margin-top:1px;letter-spacing:3px;
  font-weight:600;
}

/* ========== 老虎机布局 ========== */
.slot-layout{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  width:100%;
  max-width:1400px;
}

/* ========== 侧边奖品卡片 ========== */
.side-prizes{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.side-prize-row{
  display:flex;
  gap:6px;
}
.side-prize-card{
  display:flex;flex-direction:column;align-items:center;
  width:180px;padding:8px 6px 6px;border-radius:14px;
  background:rgba(10,10,30,0.9);border:1.5px solid var(--border);
  backdrop-filter:blur(12px);
  transition:all .3s;
}
.side-prize-card.big{
  width:280px;padding:12px 12px 10px;
}
.side-prize-card.big .spc-img{
  width:200px;height:130px;
}
.side-prize-card.big .spc-level{font-size:26px;}
.side-prize-card.big .spc-name{font-size:16px;line-height:1.6;max-height:none;white-space:normal;}
.side-prize-card.small{
  width:200px;padding:10px 8px 8px;
}
.side-prize-card.small .spc-img{
  width:140px;height:95px;
}
.side-prize-card.small .spc-level{font-size:18px;}
.side-prize-card.small .spc-name{font-size:14px;line-height:1.5;max-height:none;white-space:normal;}
.side-prize-card.small .spc-remaining{font-size:12px;}
.side-prize-card.small .spc-count{font-size:14px;}
.side-prize-card:hover{
  border-color:var(--spc-color);
  box-shadow:var(--spc-glow);
  transform:translateY(-3px);
}
.spc-img{
  width:150px;height:100px;border-radius:12px;overflow:hidden;
  margin-bottom:4px;
  border:2px solid var(--spc-color,var(--gold));
  box-shadow:0 4px 15px rgba(0,0,0,0.3),var(--spc-glow,none);
}
.spc-img img{width:100%;height:100%;object-fit:cover;}
.spc-level{font-size:16px;font-weight:800;color:var(--spc-color,var(--gold));}
.spc-name{font-size:13px;color:var(--muted);margin-top:3px;text-align:center;line-height:1.5;word-break:keep-all;overflow-wrap:anywhere;white-space:normal;max-height:none;}
.spc-remaining{font-size:12px;color:var(--muted);margin-top:3px;}
.spc-count{color:var(--gold);font-weight:700;font-size:14px;}

/* ========== 老虎机主体 ========== */
.slot-machine{
  position:relative;
  display:flex;flex-direction:column;align-items:center;
  padding:14px 20px 16px;
  border-radius:22px;
  background:linear-gradient(180deg,#1a1a3e 0%,#0d0d2b 50%,#080820 100%);
  border:3px solid #B8860B;
  box-shadow:
    0 0 40px rgba(255,215,0,0.15),
    0 0 80px rgba(255,215,0,0.08),
    inset 0 1px 0 rgba(255,215,0,0.3),
    inset 0 -1px 0 rgba(0,0,0,0.5),
    inset 0 0 60px rgba(0,0,0,0.5);
  flex-shrink:0;
}

/* 灯带 */
.slot-lights{
  display:flex;
  justify-content:center;
  gap:9px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.slot-light{
  width:10px;height:10px;border-radius:50%;
  background:#FFD700;
  box-shadow:0 0 8px rgba(255,215,0,0.6);
  animation:lightChase 1.8s ease-in-out infinite;
}
@keyframes lightChase{
  0%,100%{opacity:0.2;transform:scale(0.8);}
  50%{opacity:1;transform:scale(1.1);}
}

/* 老虎机标题 */
.slot-header{
  font-size:26px;font-weight:900;
  letter-spacing:5px;
  background:linear-gradient(135deg,#FFD700,#FFF8DC,#FFA500,#FFD700);
  background-size:200% 200%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  animation:slotTitleShimmer 3s ease-in-out infinite;
  margin-bottom:14px;
  text-shadow:none;
  filter:drop-shadow(0 0 12px rgba(255,215,0,0.5));
}
@keyframes slotTitleShimmer{
  0%,100%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
}

/* 滚轴框架 */
.slot-reels-frame{
  position:relative;
  border-radius:16px;
  padding:4px;
  background:linear-gradient(180deg,#B8860B,#8B6914,#B8860B);
  box-shadow:inset 0 0 20px rgba(0,0,0,0.5);
}

/* 滚轴容器 */
.slot-reels{
  display:flex;
  gap:4px;
  border-radius:12px;
  overflow:hidden;
  background:#050510;
  padding:0;
}

/* 单个滚轴窗口 */
.slot-reel{
  width:140px;
  height:calc(var(--slot-item-h) * 3); /* 显示3行 */
  overflow:hidden;
  position:relative;
  background:#080818;
}
/* 中间行高亮带 */
.slot-reel::after{
  content:'';
  position:absolute;
  top:var(--slot-item-h);
  left:0;right:0;
  height:var(--slot-item-h);
  background:rgba(255,215,0,0.04);
  border-top:1px solid rgba(255,215,0,0.15);
  border-bottom:1px solid rgba(255,215,0,0.15);
  pointer-events:none;
  z-index:5;
}

/* 滚轴条（内部滚动部分）*/
.slot-reel-strip{
  position:absolute;
  top:0;left:0;
  width:100%;
  will-change:transform;
}

/* 滚轴内的单个字符项 */
.slot-item{
  width:100%;
  height:var(--slot-item-h);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  border-bottom:1px solid rgba(255,255,255,0.06);
  padding:4px 8px;
  background:rgba(10,10,30,0.95);
  position:relative;
}
/* 单个大字 */
.si-char{
  font-size:62px;font-weight:900;
  text-shadow:0 2px 12px rgba(0,0,0,0.8),0 0 20px currentColor;
  line-height:1;
  letter-spacing:2px;
}
/* 中间行高亮（通过reel的伪元素实现） */

/* 中奖线 */
.slot-line{
  position:absolute;
  top:50%;left:0;right:0;
  transform:translateY(-50%);
  height:3px;
  background:linear-gradient(90deg,transparent 0%,#FFD700 10%,#FF6B35 50%,#FFD700 90%,transparent 100%);
  z-index:20;
  pointer-events:none;
  box-shadow:0 0 12px rgba(255,215,0,0.6);
}
/* 中奖线两端箭头 */
.slot-line::before,.slot-line::after{
  content:'';
  position:absolute;top:50%;
  transform:translateY(-50%);
  width:0;height:0;
  border-top:8px solid transparent;
  border-bottom:8px solid transparent;
}
.slot-line::before{
  left:2px;
  border-left:10px solid #FFD700;
}
.slot-line::after{
  right:2px;
  border-right:10px solid #FFD700;
}

/* 玻璃覆盖层 */
.slot-glass{
  position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(180deg,
    rgba(255,255,255,0.06) 0%,
    transparent 20%,
    transparent 80%,
    rgba(0,0,0,0.15) 100%);
  pointer-events:none;
  z-index:21;
  border-radius:12px;
}

/* 滚轴停止闪烁效果 */
.slot-reel.reel-stopped{
  animation:reelFlash 0.3s ease;
}
@keyframes reelFlash{
  0%{background:#080818;}
  50%{background:rgba(255,215,0,0.15);}
  100%{background:#080818;}
}

/* 老虎机抖动效果 */
.slot-machine.slot-shaking{
  animation:slotShake 0.15s ease-in-out infinite;
}
@keyframes slotShake{
  0%,100%{transform:translateX(0);}
  25%{transform:translateX(-2px);}
  75%{transform:translateX(2px);}
}

/* 拉杆按钮 */
.slot-pull-btn{
  margin-top:12px;
  width:260px;height:60px;
  border:none;border-radius:30px;
  background:linear-gradient(135deg,#FFD700,#FFA500,#FF8C00);
  color:#1a0a2e;
  font-size:24px;font-weight:900;
  cursor:pointer;letter-spacing:3px;
  box-shadow:
    0 0 30px rgba(255,215,0,0.4),
    0 4px 15px rgba(0,0,0,0.3),
    inset 0 2px 4px rgba(255,255,255,0.4);
  transition:all .2s;
  position:relative;
  overflow:hidden;
}
.slot-pull-btn::after{
  content:'';position:absolute;
  top:-50%;left:-50%;width:200%;height:200%;
  background:linear-gradient(45deg,transparent 40%,rgba(255,255,255,0.15) 50%,transparent 60%);
  animation:btnShine 3s ease-in-out infinite;
}
@keyframes btnShine{
  0%,100%{transform:translateX(-100%) rotate(45deg);}
  50%{transform:translateX(100%) rotate(45deg);}
}
.slot-pull-btn:hover{
  transform:translateY(-3px);
  box-shadow:0 0 40px rgba(255,215,0,0.6),0 6px 20px rgba(0,0,0,0.3);
}
.slot-pull-btn:active{transform:translateY(2px);}
.slot-pull-btn:disabled{
  opacity:0.5;cursor:not-allowed;transform:none;
}

/* ========== 结果弹窗 ========== */
.result-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,0.85);z-index:1000;
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .3s;
}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

.result-modal{
  text-align:center;padding:40px 32px;border-radius:28px;
  background:linear-gradient(135deg,#1a0a3e,#0a0a1a);
  border:2px solid var(--gold);
  box-shadow:0 0 80px rgba(255,215,0,0.3);
  max-width:440px;width:90%;
  animation:resultPop .5s cubic-bezier(0.68,-0.55,0.265,1.55);
}
@keyframes resultPop{from{transform:scale(0.5);opacity:0;}to{transform:scale(1);opacity:1;}}

.result-prize-img{
  width:160px;height:160px;border-radius:16px;
  overflow:hidden;margin:0 auto 20px;
  animation:badgeBounce 1.2s ease infinite;
}
.result-prize-img img{width:100%;height:100%;object-fit:cover;}
@keyframes badgeBounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.result-congrats{font-size:24px;color:var(--gold);font-weight:700;margin-bottom:8px;}
.result-level{font-size:48px;font-weight:900;margin-bottom:6px;}
.result-prize-name{font-size:17px;color:#fff;margin-bottom:20px;line-height:1.4;}
.result-student{
  background:var(--card);border-radius:12px;padding:14px;
  margin-bottom:24px;border:1px solid var(--border);
}
.rs-name{font-size:20px;font-weight:700;color:var(--gold);}
.rs-info{font-size:14px;color:var(--muted);margin-top:4px;}

/* 已抽奖弹窗 */
.already-drawn-modal{
  border-color:#00E5FF;
  box-shadow:0 0 60px rgba(0,229,255,0.3);
}
.ad-icon{font-size:60px;margin-bottom:12px;}
.ad-title{font-size:26px;font-weight:900;color:#00E5FF;margin-bottom:16px;}
.ad-student{font-size:24px;font-weight:700;color:var(--gold);margin-bottom:6px;}
.ad-campus{font-size:15px;color:var(--muted);margin-bottom:16px;}
.ad-prize-info{
  background:rgba(0,229,255,0.08);border:1px solid rgba(0,229,255,0.2);
  border-radius:12px;padding:14px;margin-bottom:20px;
}
.ad-prize-level{font-size:20px;font-weight:700;color:#00E5FF;}
.ad-prize-name{font-size:14px;color:var(--muted);margin-top:4px;}

/* 撒花 */
.confetti-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:999;overflow:hidden;}
.confetti{position:absolute;top:-10px;animation:confettiFall linear forwards;}
@keyframes confettiFall{0%{transform:translateY(0) rotate(0deg);opacity:1;}100%{transform:translateY(100vh) rotate(720deg);opacity:0;}}

/* ========== 记录页 ========== */
.records-screen{
  min-height:100vh;padding:20px;max-width:600px;margin:0 auto;
  background:transparent;
}
.records-header{display:flex;align-items:center;gap:16px;margin-bottom:20px;}
.records-back{color:var(--gold);font-size:16px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .3s;}
.records-back:hover{background:rgba(255,215,0,0.1);}
.records-title{font-size:20px;font-weight:700;color:var(--gold);}
.records-summary{margin-bottom:12px;}
.campus-stats-row{
  display:flex;gap:10px;margin-bottom:16px;justify-content:center;flex-wrap:wrap;
}
.campus-stat-box{
  padding:12px 18px;border-radius:12px;background:var(--card);border:1px solid var(--border);
  text-align:center;backdrop-filter:blur(8px);min-width:90px;
}
.campus-stat-num{font-size:24px;font-weight:800;color:var(--gold);}
.campus-stat-label{font-size:12px;color:var(--muted);margin-top:2px;}
.records-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;margin-bottom:16px;
  overflow-x:auto;
}

/* ========== 统计页 ========== */
.stats-screen{
  min-height:100vh;padding:20px;max-width:600px;margin:0 auto;
  background:transparent;
}
.stats-header{display:flex;align-items:center;gap:16px;margin-bottom:20px;}
.stats-back{color:var(--gold);font-size:16px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .3s;}
.stats-back:hover{background:rgba(255,215,0,0.1);}
.stats-title{font-size:20px;font-weight:700;color:var(--gold);}
.stats-summary{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;}
.stat-box{padding:16px;border-radius:12px;background:var(--card);border:1px solid var(--border);text-align:center;backdrop-filter:blur(8px);}
.stat-num{font-size:28px;font-weight:900;color:var(--gold);}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px;}
.stats-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;margin-bottom:16px;
  backdrop-filter:blur(8px);
}
.stats-card h3{color:var(--gold);font-size:15px;margin-bottom:12px;}
.stats-table{width:100%;border-collapse:collapse;font-size:13px;}
.stats-table th{background:rgba(255,215,0,0.08);color:var(--gold);padding:10px 6px;text-align:left;font-weight:600;font-size:12px;}
.stats-table td{padding:10px 6px;border-bottom:1px solid rgba(255,255,255,0.04);}
.stats-table .warn{color:var(--red);font-weight:700;}
.stats-table .prize-name-cell{font-size:11px;color:var(--muted);}
.stats-table .phone-cell{font-size:12px;color:var(--muted);}
.stats-table .time-cell{font-size:11px;color:var(--muted);}
.records-scroll{max-height:400px;overflow-y:auto;}

/* ========== 管理后台 ========== */
.admin-screen{
  min-height:100vh;padding:20px;max-width:600px;margin:0 auto;
  background:transparent;
}
.admin-header{display:flex;align-items:center;gap:16px;margin-bottom:20px;}
.admin-back{color:var(--gold);font-size:16px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .3s;}
.admin-back:hover{background:rgba(255,215,0,0.1);}
.admin-title{font-size:20px;font-weight:700;color:var(--gold);}
.admin-tabs{display:flex;gap:0;margin-bottom:20px;background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--border);}
.atab{flex:1;padding:12px 8px;text-align:center;cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);border:none;background:transparent;transition:all .3s;}
.atab.active{background:linear-gradient(135deg,#E53935,#FF6B35);color:#fff;}

.acard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;backdrop-filter:blur(8px);}
.acard h3{color:var(--gold);font-size:15px;margin-bottom:16px;}
.ahint{color:var(--muted);font-size:13px;margin-bottom:16px;line-height:1.8;}
.ahint strong{color:var(--gold);}
.afield{margin-bottom:14px;}
.afield label{display:block;margin-bottom:6px;color:var(--gold);font-size:13px;font-weight:600;}
.afield input,.afield select{width:100%;padding:12px;background:rgba(255,255,255,0.06);border:2px solid rgba(255,215,0,0.15);border-radius:10px;color:#fff;font-size:15px;outline:none;transition:border-color .3s;}
.afield input:focus,.afield select:focus{border-color:var(--gold);}
.afield select option{background:#1a0a3e;color:#fff;}

.import-zone{border:2px dashed rgba(255,215,0,0.3);border-radius:12px;padding:24px;text-align:center;cursor:pointer;transition:border-color .3s;margin-bottom:12px;}
.import-zone:hover{border-color:var(--gold);}
.iz-icon{font-size:36px;margin-bottom:8px;}
.iz-text{color:var(--muted);font-size:14px;}
.import-errors{margin-top:8px;text-align:left;font-size:12px;color:#ff6b6b;max-height:150px;overflow-y:auto;}

.user-list{margin-top:12px;}
.uitem{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid rgba(255,255,255,0.04);flex-wrap:wrap;gap:4px;}
.uitem-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.uitem-account{font-size:13px;color:var(--muted);}
.uitem-name{font-weight:600;font-size:14px;}
.uitem-role{font-size:11px;padding:2px 8px;border-radius:4px;background:rgba(255,215,0,0.12);color:var(--gold);}
.uitem-role.admin{background:rgba(229,57,53,0.2);color:var(--red);}
.uitem-campus{font-size:11px;color:var(--muted);background:rgba(255,255,255,0.06);padding:2px 6px;border-radius:4px;}
.uitem-del{background:none;border:none;color:var(--red);cursor:pointer;font-size:13px;padding:4px 8px;}

/* ========== 响应式 ========== */
@media(max-width:900px){
  .slot-layout{
    flex-direction:column;
    gap:10px;
  }
  .side-prizes{
    flex-direction:column;
    align-items:center;
  }
  .side-prize-row{
    justify-content:center;
  }
  .side-prize-card.big{
    width:250px;padding:10px 8px 8px;
  }
  .side-prize-card.big .spc-img{width:180px;height:115px;}
  .side-prize-card.big .spc-level{font-size:22px;}
  .side-prize-card.big .spc-name{font-size:14px;max-height:none;white-space:normal;}
  .side-prize-card.small{
    width:180px;padding:8px 6px 6px;
  }
  .side-prize-card.small .spc-img{width:130px;height:85px;}
  .side-prize-card.small .spc-level{font-size:16px;}
  .side-prize-card.small .spc-name{font-size:12px;max-height:none;white-space:normal;}
  .spc-name{font-size:12px;}
  .slot-reel{width:95px;}
  .si-char{font-size:38px;}
  .slot-pull-btn{width:180px;height:50px;font-size:18px;}
  .lsh-name{font-size:36px;}
  .lsh-campus{font-size:14px;}
  .result-prize-img{width:110px;height:110px;}
  .result-level{font-size:36px;}
  .winner-toast{max-width:280px;padding:10px 14px;}
  .wt-img{width:40px;height:40px;}
  .wt-name{font-size:14px;}
  .wt-prize{font-size:11px;}
  .idle-title-img{max-width:420px;}
  .idle-subtitle{font-size:16px;letter-spacing:4px;}
  .prize-bubble{width:140px;padding:8px;}
  .bubble-icon{width:70px;height:55px;}
  .bubble-level{font-size:13px;}
  .bubble-name{font-size:10px;}
}

@media(min-width:1200px){
  .side-prize-card.big{width:300px;padding:14px 14px 12px;}
  .side-prize-card.big .spc-img{width:220px;height:145px;}
  .side-prize-card.big .spc-level{font-size:28px;}
  .side-prize-card.big .spc-name{font-size:17px;max-height:none;white-space:normal;}
  .side-prize-card.small{width:220px;padding:10px 10px 8px;}
  .side-prize-card.small .spc-img{width:160px;height:108px;}
  .side-prize-card.small .spc-level{font-size:20px;}
  .side-prize-card.small .spc-name{font-size:14px;max-height:none;white-space:normal;}
  .slot-reel{width:160px;}
  .si-char{font-size:70px;}
  .slot-pull-btn{width:300px;height:66px;font-size:26px;}
  .idle-title-img{max-width:960px;}
  .idle-subtitle{font-size:24px;letter-spacing:12px;}
  .lsh-name{font-size:52px;}
  .lsh-campus{font-size:17px;}
  .result-prize-img{width:180px;height:180px;}
  .result-level{font-size:56px;}
  .prize-bubble{width:200px;padding:12px;}
  .bubble-icon{width:110px;height:88px;}
  .bubble-level{font-size:18px;}
  .bubble-name{font-size:13px;}
  .slot-layout{gap:32px;}
}