/* ===========================================================
   宪法知识有奖竞答 · 移动端样式
   色系：宪法红 + 宣纸白 + 暗金；标题取宋体，正文取黑体
   =========================================================== */
:root{
  --ink:#1A1C20;
  --ink2:#4A4D53;
  --muted:#8C8880;
  --paper:#F5F1E9;
  --paper2:#FFFDF9;
  --red:#A8202B;
  --red-deep:#7B141C;
  --red-light:#C4363F;
  --gold:#B08A4A;
  --gold-light:#D8BE86;
  --line:rgba(26,28,32,.10);
  --shadow:0 1px 2px rgba(26,28,32,.04),0 8px 24px -12px rgba(26,28,32,.14);
  --serif:"Songti SC","STSong","SimSun",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
h1,h2,h3,p{margin:0;}
img{max-width:100%;display:block;}

.app{
  max-width:520px;margin:0 auto;min-height:100vh;
  background:var(--paper);
  position:relative;
  padding-bottom:calc(64px + var(--safe-b));
  overflow-x:hidden;
}
/* 答题页隐藏底部 Tab，页面自身撑满一屏，内部再分区滚动 */
.app.no-tab{padding-bottom:0;}

/* ---------------- 顶部导航 ---------------- */
.navbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 6px;
  background:rgba(245,241,233,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-back{width:40px;height:40px;display:grid;place-items:center;color:var(--ink);border-radius:50%;}
.nav-back:active{background:rgba(0,0,0,.05);}
.nav-title{font-size:15px;font-weight:600;letter-spacing:.04em;}
.nav-right{width:40px;}

/* ---------------- 首页 Hero ---------------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(168deg,#8C1720 0%,#A8202B 46%,#7B141C 100%);
  color:#fff;
  padding:calc(26px + env(safe-area-inset-top,0px)) 24px 30px;
  border-radius:0 0 22px 22px;
}
.hero-texture{
  position:absolute;inset:0;opacity:.5;
  background-image:
    repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 9px),
    radial-gradient(circle at 82% 14%,rgba(216,190,134,.20),transparent 46%),
    radial-gradient(circle at 6% 92%,rgba(0,0,0,.22),transparent 52%);
}
.hero-inner{position:relative;z-index:2;}
.org{
  font-size:11.5px;letter-spacing:.22em;color:rgba(255,255,255,.74);
  padding-left:1px;
}
.hero-title{
  font-family:var(--serif);
  font-size:33px;line-height:1.24;font-weight:600;
  letter-spacing:.10em;
  margin:14px 0 0;
  text-shadow:0 2px 18px rgba(0,0,0,.22);
}
.hero-rule{display:flex;align-items:center;gap:9px;margin:16px 0 12px;max-width:196px;}
.hero-rule i{flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(216,190,134,.75));}
.hero-rule i:last-child{background:linear-gradient(90deg,rgba(216,190,134,.75),transparent);}
.hero-rule span{font-size:7px;color:var(--gold-light);}
.hero-sub{font-size:12.5px;letter-spacing:.10em;color:rgba(255,255,255,.86);line-height:1.7;}
.hero-meta{
  margin-top:20px;display:inline-block;
  font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.78);
  border:1px solid rgba(216,190,134,.34);
  padding:5px 12px;border-radius:3px;
}
.seal{
  position:absolute;right:20px;bottom:26px;z-index:3;
  width:60px;height:60px;border-radius:50%;
  border:1.5px solid rgba(216,190,134,.55);
  display:grid;place-items:center;
  color:rgba(255,236,214,.92);
  transform:rotate(-9deg);
}
.seal::after{
  content:"";position:absolute;inset:4px;border-radius:50%;
  border:.5px solid rgba(216,190,134,.32);
}
.seal span{font-family:var(--serif);font-size:26px;letter-spacing:0;}

/* ---------------- 通用布局 ---------------- */
.body{padding:18px 18px 8px;}
.pt-lg{padding-top:26px;}
.card{
  background:var(--paper2);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow);
}
.sec-title{
  display:flex;align-items:center;gap:10px;
  margin:26px 0 12px;padding-left:0;
  font-size:14px;font-weight:600;letter-spacing:.14em;color:var(--ink);
}
.sec-title::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:linear-gradient(180deg,var(--red),var(--red-deep));
}
.sec-title span{flex:1;}
.sec-title::after{
  content:"";flex:0 0 auto;width:38px;height:1px;
  background:linear-gradient(90deg,var(--line),transparent);
}

/* ---------------- 按钮 ---------------- */
.btn{
  display:flex;align-items:center;justify-content:center;
  width:100%;height:48px;border-radius:9px;
  font-size:16px;font-weight:600;letter-spacing:.14em;
  transition:transform .12s ease,opacity .12s ease,background .2s;
}
.btn:active{transform:scale(.985);opacity:.92;}
.btn-primary{
  background:linear-gradient(180deg,var(--red-light),var(--red) 42%,var(--red-deep));
  color:#fff;
  box-shadow:0 6px 18px -8px rgba(168,32,43,.72);
}
.btn-ghost{
  background:transparent;color:var(--ink2);
  border:1px solid var(--line);
  font-weight:500;
}
.btn[disabled]{opacity:.42;pointer-events:none;}

/* ---------------- 状态卡 ---------------- */
.status-card{padding:20px 18px 18px;margin-top:-34px;position:relative;z-index:5;}
.status-grid{display:flex;align-items:center;margin-bottom:18px;}
.status-item{flex:1;text-align:center;}
.status-div{width:1px;height:34px;background:var(--line);}
.status-num{
  display:block;font-family:var(--serif);
  font-size:27px;font-weight:600;color:var(--red);
  letter-spacing:.02em;line-height:1.2;
}
.status-label{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px;}
.status-hint{
  margin-top:12px;font-size:11.5px;color:var(--muted);
  text-align:center;letter-spacing:.02em;line-height:1.6;
}

/* ---------------- 奖项 ---------------- */
.prize-list{display:flex;flex-direction:column;gap:9px;}
.prize-item{
  display:flex;align-items:center;gap:13px;
  background:var(--paper2);border:1px solid var(--line);
  border-radius:12px;padding:13px 14px;
  box-shadow:var(--shadow);
}
.prize-badge{
  flex:0 0 auto;width:46px;height:46px;border-radius:10px;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:15px;font-weight:600;
  letter-spacing:0;color:#fff;
  background:linear-gradient(150deg,#C9A45E,#9E7A3C);
}
.prize-badge.lv-first{background:linear-gradient(150deg,#C4363F,#7B141C);}
.prize-badge.lv-second{background:linear-gradient(150deg,#9A8459,#6E5C38);}
.prize-badge.lv-third{background:linear-gradient(150deg,#8A8F96,#5D6369);}
.prize-main{flex:1;min-width:0;}
.prize-name{font-size:15px;font-weight:600;letter-spacing:.04em;}
.prize-desc{font-size:11.5px;color:var(--muted);margin-top:2px;}
.prize-stock{
  flex:0 0 auto;font-size:11.5px;color:var(--gold);
  font-family:var(--serif);letter-spacing:.04em;
  border:1px solid rgba(176,138,74,.3);border-radius:3px;padding:2px 7px;
}

/* ---------------- 规则 ---------------- */
.rules{padding:16px 18px 18px;}
.rules ol{margin:0;padding:0;list-style:none;counter-reset:r;}
.rules li{
  counter-increment:r;position:relative;
  padding-left:26px;font-size:13px;line-height:1.85;color:var(--ink2);
  margin-bottom:9px;
}
.rules li:last-child{margin-bottom:0;}
.rules li::before{
  content:counter(r,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--serif);font-size:12px;color:var(--red);
  font-weight:600;letter-spacing:0;
}
.rules b{color:var(--ink);font-weight:600;}

/* ---------------- 表单 ---------------- */
.form-head h2{
  font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:.08em;
  margin-bottom:10px;
}
.form-head p{font-size:12.5px;color:var(--ink2);line-height:1.8;letter-spacing:.02em;}
.form-card{padding:6px 18px 20px;margin-top:20px;}
.field{display:block;border-bottom:1px solid var(--line);padding:14px 0 10px;}
.field-label{
  display:block;font-size:11.5px;color:var(--muted);
  letter-spacing:.14em;margin-bottom:4px;
}
.field input{
  width:100%;border:none;outline:none;background:transparent;
  font-size:17px;font-family:var(--sans);color:var(--ink);
  padding:4px 0;letter-spacing:.04em;
}
.field input::placeholder{color:#C3BEB4;font-size:16px;letter-spacing:0;}
.field-tip{font-size:11.5px;color:var(--muted);line-height:1.7;margin:14px 0 18px;}
.privacy{font-size:11px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.8;}
.form-card .btn{margin-top:4px;}

/* ---------------- 答题 ---------------- */
/* 三段式：头部固定 / 中间独立滚动 / 底部常驻，避免长题干时选项被按钮压住 */
#page-quiz:not([hidden]){
  display:flex;flex-direction:column;
  /* 顶部有 48px 导航栏，答题页高度须扣掉，否则底部操作条会被挤出视口 */
  height:calc(100vh - 48px);
  height:calc(100dvh - 48px);
  overflow:hidden;
}
.quiz-head{
  flex:0 0 auto;
  background:var(--paper);
  padding:14px 18px 0;
}
.quiz-progress-row{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:9px;}
.quiz-idx{font-size:12px;color:var(--muted);letter-spacing:.1em;}
.quiz-idx b{font-family:var(--serif);font-size:20px;color:var(--red);font-weight:600;letter-spacing:0;}
.quiz-timer{font-size:12px;color:var(--ink2);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.quiz-timer.warn{color:var(--red);font-weight:600;}
.quiz-bar{height:2px;background:rgba(26,28,32,.09);border-radius:2px;overflow:hidden;}
.quiz-bar i{display:block;height:100%;width:10%;background:linear-gradient(90deg,var(--red),var(--red-light));border-radius:2px;transition:width .35s ease;}

.quiz-body{
  flex:1 1 auto;min-height:0;
  overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding-top:24px;padding-bottom:22px;
}
.q-type{
  display:inline-block;font-size:10.5px;letter-spacing:.16em;
  color:var(--red);border:1px solid rgba(168,32,43,.24);
  border-radius:3px;padding:2px 8px;margin-bottom:14px;
}
.q-stem{
  font-family:var(--serif);font-size:17.5px;line-height:1.7;font-weight:600;
  letter-spacing:.02em;color:var(--ink);margin-bottom:20px;
}
.opts{display:flex;flex-direction:column;gap:10px;}
.opt{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--paper2);border:1px solid var(--line);
  border-radius:11px;padding:14px 15px;
  text-align:left;font-size:14.5px;line-height:1.6;color:var(--ink);
  transition:border-color .18s,background .18s,box-shadow .18s;
  box-shadow:var(--shadow);
}
.opt-key{
  flex:0 0 auto;width:23px;height:23px;border-radius:50%;
  display:grid;place-items:center;
  font-size:11.5px;font-weight:600;
  background:rgba(26,28,32,.055);color:var(--ink2);
  margin-top:1px;transition:all .18s;
}
.opt.sel{border-color:var(--red);background:#FDF7F5;}
.opt.sel .opt-key{background:var(--red);color:#fff;}
.opt:active{transform:scale(.995);}
.quiz-foot{
  flex:0 0 auto;z-index:35;
  display:flex;gap:10px;
  padding:10px 18px calc(10px + var(--safe-b));
  background:var(--paper);
  border-top:1px solid var(--line);
}
.quiz-foot .btn{height:46px;font-size:15px;}
.quiz-foot .btn-ghost{flex:0 0 96px;background:rgba(255,253,249,.9);}
.quiz-foot .btn-primary{flex:1;}

/* ---------------- 成绩 ---------------- */
.result-card{
  position:relative;overflow:hidden;
  background:var(--paper2);border:1px solid var(--line);border-radius:16px;
  padding:32px 20px 26px;text-align:center;box-shadow:var(--shadow);
}
.result-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--red-deep),var(--red-light),var(--gold));
}
.result-score{
  font-family:var(--serif);color:var(--red);line-height:1;
  letter-spacing:-.01em;
}
.result-score span{font-size:66px;font-weight:600;}
.result-score small{font-size:15px;margin-left:5px;color:var(--muted);font-family:var(--sans);}
.result-sub{font-size:13px;color:var(--ink2);letter-spacing:.08em;margin-top:10px;}
.result-stamp{
  position:absolute;right:16px;top:22px;
  width:62px;height:62px;border-radius:50%;
  border:1.6px solid rgba(168,32,43,.42);
  display:grid;place-items:center;
  font-family:var(--serif);font-size:16px;font-weight:600;
  color:rgba(168,32,43,.78);letter-spacing:.06em;
  transform:rotate(-12deg);line-height:1.15;text-align:center;
  padding:4px;
}
.result-stamp.fail{border-color:rgba(140,136,128,.4);color:rgba(140,136,128,.8);}
.result-actions{padding:16px;margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.result-actions .btn{height:46px;font-size:15px;}
.result-tip{font-size:12px;color:var(--muted);text-align:center;line-height:1.7;margin-top:4px;}

.review{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.rev-item{
  background:var(--paper2);border:1px solid var(--line);border-radius:12px;
  padding:15px 16px;box-shadow:var(--shadow);
}
.rev-top{display:flex;gap:9px;align-items:flex-start;margin-bottom:10px;}
.rev-flag{
  flex:0 0 auto;font-size:10.5px;padding:1px 6px;border-radius:3px;
  letter-spacing:.06em;margin-top:3px;
}
.rev-flag.ok{background:rgba(42,122,74,.1);color:#2A7A4A;}
.rev-flag.no{background:rgba(168,32,43,.09);color:var(--red);}
.rev-stem{font-size:13.5px;line-height:1.7;font-weight:500;}
.rev-opts{margin:0;padding:0;list-style:none;font-size:13px;color:var(--ink2);line-height:1.9;}
.rev-opts li{padding-left:16px;position:relative;}
.rev-opts li::before{content:"";position:absolute;left:4px;top:11px;width:4px;height:4px;border-radius:50%;background:rgba(26,28,32,.22);}
.rev-opts li.right{color:#2A7A4A;}
.rev-opts li.right::before{background:#2A7A4A;}
.rev-opts li.wrong{color:var(--red);}
.rev-opts li.wrong::before{background:var(--red);}
.rev-ana{
  margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);
  font-size:12px;color:var(--ink2);line-height:1.8;
}
.rev-ana em{font-style:normal;color:var(--muted);letter-spacing:.06em;}

/* ---------------- 抽奖 ---------------- */
.draw-body{padding-top:24px;text-align:center;}
.draw-stage{perspective:1200px;padding:6px 0 26px;}
.draw-card{
  position:relative;width:236px;height:308px;margin:0 auto;
  transform-style:preserve-3d;transition:transform .85s cubic-bezier(.4,.1,.2,1);
}
.draw-card.flipped{transform:rotateY(180deg);}
.draw-face{
  position:absolute;inset:0;border-radius:16px;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  border:1px solid rgba(176,138,74,.4);
  box-shadow:0 14px 40px -18px rgba(26,28,32,.4);
}
.draw-front{
  background:linear-gradient(165deg,#8C1720,#A8202B 52%,#78131B);
  color:#fff;
}
.draw-front::before{
  content:"";position:absolute;inset:9px;border-radius:11px;
  border:1px solid rgba(216,190,134,.28);
}
.draw-emblem{
  width:74px;height:74px;border-radius:50%;
  border:1.5px solid rgba(216,190,134,.6);
  display:grid;place-items:center;
  font-family:var(--serif);font-size:36px;color:#F6E9D2;
  margin-bottom:22px;
}
.draw-word{font-family:var(--serif);font-size:19px;letter-spacing:.24em;padding-left:.24em;}
.draw-hint{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.2em;margin-top:8px;}
.draw-back{
  background:var(--paper2);transform:rotateY(180deg);
  padding:26px 20px;
}
.draw-result{display:flex;flex-direction:column;align-items:center;width:100%;}
.dr-kicker{font-size:11px;letter-spacing:.22em;color:var(--muted);}
.dr-level{
  font-family:var(--serif);font-size:30px;font-weight:600;color:var(--red);
  letter-spacing:.06em;margin:8px 0 2px;
}
.dr-prize{font-size:14px;color:var(--ink);line-height:1.6;margin-top:2px;}
.dr-code{
  margin-top:16px;padding:9px 14px;border-radius:6px;
  background:rgba(176,138,74,.1);border:1px dashed rgba(176,138,74,.42);
  font-family:ui-monospace,Menlo,monospace;font-size:15px;
  letter-spacing:.16em;color:#8A6A31;
}
.dr-none{font-family:var(--serif);font-size:22px;color:var(--ink2);letter-spacing:.08em;}
.dr-none-sub{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.8;}
#btnDraw{margin:0 auto;}
.draw-note{font-size:11.5px;color:var(--muted);margin-top:14px;line-height:1.7;}
.claim-card{margin-top:22px;padding:16px 18px;text-align:left;}
.claim-card h3{font-size:13px;letter-spacing:.12em;margin-bottom:9px;color:var(--ink);}
.claim-card p{font-size:12.5px;color:var(--ink2);line-height:1.85;}
.claim-card .row{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;padding:6px 0;border-bottom:1px dashed var(--line);}
.claim-card .row:last-child{border:none;}
.claim-card .row span:first-child{color:var(--muted);flex:0 0 auto;}
.claim-card .row span:last-child{text-align:right;color:var(--ink);}

/* ---------------- 我的 ---------------- */
.me-card{display:flex;align-items:center;gap:13px;padding:16px;margin-top:6px;}
.me-avatar{
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(150deg,#A8202B,#7B141C);color:#fff;
  font-family:var(--serif);font-size:19px;
}
.me-info{flex:1;min-width:0;}
.me-name{font-size:15.5px;font-weight:600;letter-spacing:.04em;}
.me-phone{font-size:12px;color:var(--muted);margin-top:2px;letter-spacing:.06em;}
.me-edit{font-size:12px;color:var(--red);border:1px solid rgba(168,32,43,.26);border-radius:4px;padding:4px 10px;}
.list{display:flex;flex-direction:column;gap:9px;}
.list-item{
  background:var(--paper2);border:1px solid var(--line);border-radius:11px;
  padding:13px 15px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow);
}
.li-main{flex:1;min-width:0;}
.li-title{font-size:14px;font-weight:600;letter-spacing:.03em;}
.li-sub{font-size:11.5px;color:var(--muted);margin-top:2px;letter-spacing:.03em;}
.li-tag{
  flex:0 0 auto;font-size:11px;padding:3px 8px;border-radius:3px;letter-spacing:.06em;
  background:rgba(26,28,32,.05);color:var(--ink2);
}
.li-tag.win{background:rgba(168,32,43,.08);color:var(--red);}
.li-tag.ok{background:rgba(42,122,74,.09);color:#2A7A4A;}
.li-code{
  font-family:ui-monospace,Menlo,monospace;font-size:13px;letter-spacing:.14em;color:#8A6A31;
}
.empty{
  text-align:center;padding:26px 0;font-size:12.5px;color:var(--muted);letter-spacing:.06em;
}

/* ---------------- 底部 Tab ---------------- */
.tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:45;
  max-width:520px;margin:0 auto;
  display:flex;
  background:rgba(255,253,249,.94);
  backdrop-filter:blur(14px) saturate(180%);
  border-top:1px solid var(--line);
  padding-bottom:var(--safe-b);
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 0 7px;font-size:10.5px;color:var(--muted);letter-spacing:.1em;
  transition:color .18s;
}
.tab.active{color:var(--red);}
.tab svg{opacity:.72;}
.tab.active svg{opacity:1;}

.foot-note{
  font-size:11px;color:var(--muted);text-align:center;line-height:1.9;
  margin:26px 0 8px;letter-spacing:.02em;
}

/* ---------------- Toast ---------------- */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,14px);
  background:rgba(26,28,32,.9);color:#fff;
  padding:11px 18px;border-radius:8px;
  font-size:13px;line-height:1.5;max-width:78vw;text-align:center;
  opacity:0;pointer-events:none;transition:all .26s ease;z-index:99;
  backdrop-filter:blur(8px);
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ---------------- 动画 ---------------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.page:not([hidden]){animation:fadeUp .32s ease both;}
.page[hidden]{display:none;}

/* 抽奖按钮微光 */
@keyframes glow{0%,100%{box-shadow:0 6px 18px -8px rgba(168,32,43,.72);}50%{box-shadow:0 8px 26px -6px rgba(168,32,43,.9);}}
#btnDraw.pulse{animation:glow 2.4s ease-in-out infinite;}

/* hidden 兜底：避免被 display 类选择器覆盖 */
[hidden]{display:none !important;}