/* ============================================================
   护苗知识答题活动 · 前台样式（糖果卡通风格，匹配效果图）
   ============================================================ */
:root{
  --cream:#fff7e6; --cream2:#fdeecb; --ink:#6b4a34; --ink2:#8a6a52;
  --orange:#ff9a3d; --orange2:#ffc24d; --red:#ff6f61; --red2:#ff8a72;
  --green:#7cc47f; --green2:#a7e0a0; --blue:#5fb0e6; --blue2:#9ad4f2;
  --pink:#ff92b7; --pink2:#ffb8d0; --purple:#a884e0; --purple2:#c3a8ef;
  --shadow:0 8px 20px rgba(40,20,60,.28);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;width:100%;overflow-x:hidden}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink); min-height:100vh; position:relative; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* 背景层（图片由 index.php / JS 注入） */
body::before{
  content:""; position:fixed; inset:0; z-index:-2;
  background:#7a8fd0 center/cover no-repeat;
}
body::after{ /* 轻微暗角，提升卡片对比 */
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:radial-gradient(120% 80% at 50% 20%, transparent 60%, rgba(30,20,60,.22) 100%);
}
img{max-width:100%}
button{font-family:inherit}

/* ---------- 布局容器 ---------- */
.screen{max-width:480px;margin:0 auto;padding:18px 16px 40px;position:relative;min-height:100vh}
.hidden{display:none!important}

/* ---------- 首页：背景图 + 图片按钮 ---------- */
.home-screen{padding:0;min-height:100vh;position:relative}
.home-blur{position:fixed;inset:0;background-size:cover;background-position:center;filter:blur(26px) brightness(.55);transform:scale(1.1);z-index:0}
.home-wrap{position:relative;z-index:1;width:100%;max-width:480px;margin:0 auto;line-height:0}
.home-bg{display:block;width:100%;height:auto}
.home-btn{position:absolute;border:none;background:transparent;padding:0;margin:0;cursor:pointer;line-height:0;
  transition:transform .08s;-webkit-tap-highlight-color:rgba(255,255,255,.25)}
.home-btn:active{transform:scale(.96)}
.home-btn img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}

/* ---------- 顶部装饰 & 标题 ---------- */
.deco{position:fixed;font-size:26px;z-index:-1;opacity:.9;filter:drop-shadow(0 3px 4px rgba(0,0,0,.2));animation:float 5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.header{text-align:center;padding:8px 8px 6px}
/* 标题：避免 background-clip + 粗描边在微信里只剩白团、字体重叠 */
.candy-title{
  position:relative;display:inline-block;font-weight:900;line-height:1.35;
  font-size:clamp(18px,5.2vw,30px);letter-spacing:.5px;
  max-width:92vw;padding:2px 6px;
  white-space:normal;word-break:keep-all;overflow-wrap:break-word;
  color:#ffe29a;
  text-shadow:
    -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff,
    0 2px 0 #ff8a45, 0 3px 0 #e86a30,
    0 4px 10px rgba(0,0,0,.35);
}
.candy-title::before{content:none;display:none}
.candy-title.sm{font-size:clamp(17px,4.8vw,26px)}
.ribbon{
  position:relative;display:inline-block;margin-top:12px;padding:8px 30px;
  background:linear-gradient(#ff9cb8,#f877a0);color:#fff;font-weight:800;font-size:18px;
  border-radius:10px;letter-spacing:1px;
  box-shadow:inset 0 -3px 0 rgba(140,30,70,.25),inset 0 2px 0 rgba(255,255,255,.4),0 5px 12px rgba(0,0,0,.22);
  text-shadow:0 2px 2px rgba(160,40,80,.4);
}
.ribbon::before,.ribbon::after{
  content:"";position:absolute;top:8px;bottom:8px;width:14px;background:#d95d84;z-index:-1;
}
.ribbon::before{left:-9px;border-radius:4px 0 0 4px;transform:skewX(0)}
.ribbon::after{right:-9px;border-radius:0 4px 4px 0}
.slogan{margin-top:12px;color:#ffd9a0;font-weight:700;font-size:14px;letter-spacing:2px;text-shadow:0 1px 3px rgba(0,0,0,.4)}

/* ---------- 糖果按钮 ---------- */
.cbtn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:999px;color:#fff;font-weight:900;font-size:20px;
  padding:16px 30px;cursor:pointer;position:relative;letter-spacing:1px;
  text-shadow:0 2px 2px rgba(0,0,0,.22);
  box-shadow:inset 0 3px 0 rgba(255,255,255,.5),inset 0 -6px 0 rgba(0,0,0,.14),0 8px 16px rgba(0,0,0,.26);
  transition:transform .08s ease, filter .15s;
}
.cbtn:active{transform:translateY(3px);box-shadow:inset 0 3px 0 rgba(255,255,255,.5),inset 0 -3px 0 rgba(0,0,0,.14),0 4px 8px rgba(0,0,0,.26)}
.cbtn .arrow{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:16px;text-shadow:none}
.cbtn.block{display:flex;width:100%}
.cbtn.lg{font-size:24px;padding:20px 30px}
.cbtn--orange{background:linear-gradient(#ffcf6b,#ff9a3d)}
.cbtn--orange .arrow{color:#ff7a2d}
.cbtn--green{background:linear-gradient(#a6e29a,#6cbb6f)} .cbtn--green .arrow{color:#5aa85d}
.cbtn--blue{background:linear-gradient(#8fd0f2,#4fa6e0)} .cbtn--blue .arrow{color:#3f92cf}
.cbtn--pink{background:linear-gradient(#ffb0cc,#ff77a5)} .cbtn--pink .arrow{color:#f06596}
.cbtn--purple{background:linear-gradient(#c6abef,#9d76e0)} .cbtn--purple .arrow{color:#8a63d0}
.cbtn--red{background:linear-gradient(#ff9184,#f5655a)} .cbtn--red .arrow{color:#e0554b}
.cbtn.ghost{background:linear-gradient(#fff3d6,#ffe6ad);color:var(--orange);text-shadow:none}
.cbtn.ghost .arrow{background:var(--orange);color:#fff}

/* 大号开始按钮所在的“云朵”底托 */
.cloud-wrap{position:relative;margin:22px 0 8px;padding:26px 18px;text-align:center}
.cloud-wrap::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:#fffaf0;border-radius:60px;
  box-shadow:0 10px 24px rgba(0,0,0,.18);
  filter:drop-shadow(0 0 0 #fff);
  clip-path:polygon(0% 55%,4% 35%,14% 28%,18% 12%,34% 8%,44% 20%,56% 8%,70% 10%,80% 24%,92% 30%,98% 46%,100% 62%,96% 82%,84% 92%,66% 90%,54% 98%,42% 90%,26% 94%,12% 86%,3% 72%);
}

/* ---------- 导航卡片（活动介绍/规则/奖品/记录…） ---------- */
.nav-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}
.nav-card{
  border:none;cursor:pointer;border-radius:20px;padding:14px 6px 12px;text-align:center;
  color:var(--ink);font-weight:800;font-size:13px;position:relative;
  box-shadow:inset 0 -5px 0 rgba(0,0,0,.08),inset 0 3px 0 rgba(255,255,255,.6),0 6px 14px rgba(0,0,0,.2);
  transition:transform .08s;
}
.nav-card:active{transform:translateY(2px)}
.nav-card .ic{font-size:30px;display:block;margin-bottom:6px;filter:drop-shadow(0 2px 2px rgba(0,0,0,.2))}
.nav-card .go{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;color:#fff;font-size:13px;margin-top:6px}
.nav-card.pink{background:linear-gradient(#ffd7e4,#ffbcd2)} .nav-card.pink .go{background:#f278a2}
.nav-card.yellow{background:linear-gradient(#ffeab0,#ffdc86)} .nav-card.yellow .go{background:#f0ad2e}
.nav-card.green{background:linear-gradient(#cdeec0,#a7e09a)} .nav-card.green .go{background:#6cbb6f}
.nav-card.blue{background:linear-gradient(#cfeaf9,#a6d8f2)} .nav-card.blue .go{background:#4fa6e0}

/* 底部双按钮（查看奖品/立即参与） */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.big-card{
  border:none;cursor:pointer;border-radius:24px;padding:18px 12px;color:#fff;text-align:center;position:relative;
  box-shadow:inset 0 3px 0 rgba(255,255,255,.4),inset 0 -6px 0 rgba(0,0,0,.16),0 8px 16px rgba(0,0,0,.24);
  transition:transform .08s;
}
.big-card:active{transform:translateY(2px)}
.big-card .t{font-size:20px;font-weight:900;text-shadow:0 2px 2px rgba(0,0,0,.2)}
.big-card .s{font-size:12px;opacity:.95;margin-top:3px}
.big-card.purple{background:linear-gradient(#b79bea,#9a76e0)}
.big-card.pink{background:linear-gradient(#ff9dbc,#ff77a5)}

/* ---------- 答题页 ---------- */
.progress{display:flex;align-items:center;gap:12px;background:var(--cream);border-radius:999px;padding:10px 16px;margin:16px 0;font-weight:800;
  box-shadow:inset 0 -3px 0 rgba(0,0,0,.06),0 5px 12px rgba(0,0,0,.16)}
.progress .lbl{white-space:nowrap;color:var(--ink)}
.progress .lbl b{color:var(--orange);font-size:18px;margin:0 2px}
.progress .track{flex:1;height:12px;background:#ecdcbb;border-radius:999px;overflow:hidden;box-shadow:inset 0 2px 3px rgba(0,0,0,.12)}
.progress .fill{height:100%;width:0;background:linear-gradient(90deg,#ffd15c,#ff9a3d);border-radius:999px;transition:width .3s}
.timer{display:inline-flex;align-items:center;gap:6px;background:var(--cream);border-radius:999px;padding:6px 16px;font-weight:900;color:var(--red);
  box-shadow:0 4px 10px rgba(0,0,0,.16);font-variant-numeric:tabular-nums}
.timer.warn{animation:pulse .8s infinite}
@keyframes pulse{50%{transform:scale(1.08);color:#e0392b}}
.q-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.q-type{background:#ffe0a3;color:#c8791b;font-weight:800;font-size:12px;padding:3px 10px;border-radius:999px}
.q-card{
  background:linear-gradient(#fffdf6,#fdf3df);border-radius:26px;padding:22px 20px;margin-bottom:16px;
  border:3px solid #ffe1a0;font-size:19px;font-weight:800;line-height:1.5;color:#5b4636;position:relative;
  box-shadow:inset 0 -6px 0 rgba(0,0,0,.05),0 8px 18px rgba(0,0,0,.18)}
.q-card .hint{font-size:12px;color:#b89a6d;font-weight:700;margin-top:8px}
.opt{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:none;cursor:pointer;
  border-radius:20px;padding:16px 16px;margin:11px 0;font-size:17px;font-weight:800;color:#5b4636;position:relative;
  box-shadow:inset 0 -5px 0 rgba(0,0,0,.08),inset 0 2px 0 rgba(255,255,255,.5),0 5px 12px rgba(0,0,0,.14);
  transition:transform .08s,box-shadow .12s}
.opt:active{transform:scale(.99)}
.opt .lb{flex:none;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;font-weight:900;color:#a1703a}
.opt .tx{flex:1}
.opt .ck{flex:none;width:26px;height:26px;border-radius:50%;border:2px solid rgba(0,0,0,.15);background:rgba(255,255,255,.5)}
.opt.sel .ck{background:var(--green);border-color:#fff;box-shadow:0 0 0 2px var(--green)}
.opt.sel .ck::after{content:"✓";color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;height:100%}
.opt.sel{outline:3px solid #ff8a5c;transform:scale(1.015)}
.opt.c0{background:linear-gradient(#ffe6ae,#ffd583)}
.opt.c1{background:linear-gradient(#d3efc4,#b3e3a0)}
.opt.c2{background:linear-gradient(#cfe8f8,#aad6f2)}
.opt.c3{background:linear-gradient(#ffd6e4,#ffb6cf)}
.opt.c4{background:linear-gradient(#e6d9f6,#cdb4ef)}
.opt.c5{background:linear-gradient(#ffe0c9,#ffc39e)}
.opt.correct{outline:3px solid #3f9a45!important;box-shadow:0 0 0 3px rgba(63,154,69,.25),inset 0 -5px 0 rgba(0,0,0,.08)}
.opt.correct .ck{background:var(--green);border-color:#fff;box-shadow:0 0 0 2px var(--green)}
.opt.correct .ck::after{content:"✓";color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;height:100%}
.opt.wrong{outline:3px solid #e0392b!important;opacity:.92;box-shadow:0 0 0 3px rgba(224,57,43,.2),inset 0 -5px 0 rgba(0,0,0,.08)}
.opt.wrong .ck{background:#e0392b;border-color:#fff}
.opt.wrong .ck::after{content:"✗";color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;height:100%}
.opt:disabled{cursor:default}
.ans-feedback{margin-top:12px;padding:12px 14px;border-radius:16px;font-weight:800;text-align:center}
.ans-feedback.ok{background:#d6f3d0;color:#2f7a35}
.ans-feedback.no{background:#fde2e2;color:#c0342b}
.ans-feedback .ans-right{margin-top:6px;font-size:14px;color:#5b4636;font-weight:700;line-height:1.5}
@keyframes shake{
  0%,100%{transform:translateX(0)}
  15%{transform:translateX(-8px)}
  30%{transform:translateX(8px)}
  45%{transform:translateX(-6px)}
  60%{transform:translateX(6px)}
  75%{transform:translateX(-3px)}
  90%{transform:translateX(3px)}
}
.shake{animation:shake .45s ease-in-out}
.q-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}

/* ---------- 结果页 ---------- */
.result-card{background:linear-gradient(#fffdf6,#fdf1da);border-radius:30px;padding:26px 20px;text-align:center;position:relative;
  box-shadow:0 10px 24px rgba(0,0,0,.2);border:3px solid #ffe1a0}
.score-big{font-size:96px;font-weight:900;line-height:1;
  background:linear-gradient(#ff8a5c,#e8433a);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 2px rgba(150,40,20,.25))}
.score-big small{font-size:34px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--cream);border-radius:22px;padding:16px 6px;margin:16px 0;
  box-shadow:0 6px 14px rgba(0,0,0,.14)}
.stats .st{text-align:center;position:relative}
.stats .st+.st::before{content:"";position:absolute;left:0;top:14%;height:72%;width:2px;background:#ecdcbb}
.stats .st .ic{font-size:22px}
.stats .st .v{font-size:26px;font-weight:900;margin-top:2px}
.stats .st .k{font-size:12px;color:#a1875f;font-weight:700}
.st.ok .v{color:var(--green)} .st.no .v{color:var(--red)} .st.tm .v{color:var(--blue)}
.congrats{background:linear-gradient(#fff2c9,#ffe6a0);border-radius:22px;padding:16px;margin:8px 0 4px;display:flex;gap:12px;align-items:center;
  box-shadow:0 6px 14px rgba(0,0,0,.14)}
.congrats .em{font-size:44px}
.congrats .txt{text-align:left}
.congrats .txt .big{font-size:20px;font-weight:900;color:var(--red)}
.congrats .txt .sub{font-size:13px;color:#c8791b;font-weight:700;margin-top:4px}
.congrats.fail{background:linear-gradient(#e9eef5,#dbe4ee)}
.congrats.fail .big{color:#5b7089}
.tri{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.tri .cbtn{font-size:16px;padding:16px 6px;flex-direction:column;gap:4px}
.tri .cbtn .ic{font-size:24px}

/* ---------- 抽奖转盘 ---------- */
.wheel-box{position:relative;width:320px;max-width:86vw;aspect-ratio:1;margin:8px auto 6px}
.wheel-ring{position:absolute;inset:0;border-radius:50%;background:linear-gradient(#ffd98c,#ff9a3d);
  box-shadow:0 10px 26px rgba(0,0,0,.3),inset 0 0 0 6px rgba(255,255,255,.35)}
.bulb{position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;
  box-shadow:0 0 6px 2px rgba(255,240,160,.9);margin:-5px 0 0 -5px;animation:bulb 1s infinite alternate}
@keyframes bulb{to{opacity:.4}}
.wheel-rotor{position:absolute;inset:14px;border-radius:50%;overflow:hidden;transition:transform 4.6s cubic-bezier(.12,.62,.2,1);
  box-shadow:inset 0 0 0 4px rgba(255,255,255,.7)}
.seg-label{position:absolute;left:50%;top:50%;transform-origin:0 0;color:#fff;font-weight:800;font-size:11.5px;line-height:1.15;text-align:center;width:76px;
  text-shadow:0 1px 2px rgba(0,0,0,.4)}
.seg-label .em{font-size:22px;display:block;margin-bottom:1px}
.wheel-center{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;
  background:linear-gradient(#ffd15c,#ff9a3d);color:#fff;font-weight:900;font-size:19px;border:5px solid #fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-direction:column;line-height:1.15;z-index:3;
  box-shadow:0 6px 14px rgba(0,0,0,.3)}
.wheel-center:active{transform:translate(-1px,1px) scale(.97)}
.wheel-center.spinning{pointer-events:none;filter:saturate(.8)}
.wheel-pointer{position:absolute;left:50%;top:-6px;width:0;height:0;margin-left:-14px;z-index:4;
  border-left:14px solid transparent;border-right:14px solid transparent;border-top:26px solid #ff5252;
  filter:drop-shadow(0 3px 3px rgba(0,0,0,.3))}
.draw-tip{text-align:center;background:#caa26a;color:#fff;font-weight:800;border-radius:999px;padding:6px 18px;display:inline-block;margin:6px 0 2px;
  box-shadow:0 4px 10px rgba(0,0,0,.2)}
.draw-count{text-align:center;color:#fff;font-weight:800;margin:6px 0;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.draw-count b{color:#ffe15c;font-size:20px;margin:0 3px}

/* ---------- 领奖表单 ---------- */
.form-card{background:linear-gradient(#fffdf6,#fdf1da);border-radius:28px;padding:22px 20px;border:3px solid #ffe1a0;
  box-shadow:0 10px 24px rgba(0,0,0,.2)}
.field{display:flex;align-items:center;gap:12px;background:#fff8ea;border-radius:18px;padding:14px 16px;margin:14px 0;
  box-shadow:inset 0 2px 5px rgba(0,0,0,.06)}
.field .ic{font-size:24px}
.field label{font-weight:900;color:#8a5a2a;white-space:nowrap}
.field input{flex:1;border:none;background:transparent;font-size:17px;font-weight:700;color:#5b4636;outline:none;min-width:0}
.field input::placeholder{color:#c7b48f;font-weight:600}
.prize-info{background:linear-gradient(#fff0bf,#ffe59a);border-radius:20px;padding:16px;margin:16px 0;display:flex;gap:14px;align-items:center;
  box-shadow:0 6px 14px rgba(0,0,0,.12)}
.prize-info .em{font-size:50px}
.prize-info .t{font-weight:900;color:#8a5a2a;font-size:18px}
.prize-info .s{color:var(--red);font-weight:800;font-size:13px;margin-top:4px}

/* ---------- 我的记录 ---------- */
.panel{background:var(--cream);border-radius:22px;padding:16px;margin:14px 0;box-shadow:0 8px 18px rgba(0,0,0,.16)}
.panel h4{margin:0 0 10px;color:#8a5a2a;font-size:16px}
.rec{display:flex;justify-content:space-between;align-items:center;padding:10px 8px;border-bottom:1px dashed #ecdcbb;font-weight:700}
.rec:last-child{border-bottom:none}
.rec .l .s{font-size:12px;color:#a1875f}
.rec .score{font-size:20px;font-weight:900;color:var(--orange)}
.badge{font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px}
.badge.ok{background:#d6f3d0;color:#3f9a45} .badge.no{background:#f3d6d6;color:#c34}
.badge.won{background:#ffe0a3;color:#c8791b} .badge.claimed{background:#d6ecf7;color:#3f92cf}
.empty{text-align:center;color:#b89a6d;padding:18px;font-weight:700}

/* ---------- 通用元件 ---------- */
.center{text-align:center}
.mt{margin-top:16px}.mt-s{margin-top:8px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:800;background:rgba(0,0,0,.22);border:none;border-radius:999px;padding:8px 16px;cursor:pointer;margin-bottom:6px}
.loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-weight:700;gap:14px}
.spinner{width:44px;height:44px;border:5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(20,10,40,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.modal-box{background:linear-gradient(#fffdf6,#fdf1da);border-radius:24px;padding:24px 22px;max-width:400px;width:100%;max-height:80vh;overflow:auto;position:relative;
  border:3px solid #ffe1a0;box-shadow:0 16px 40px rgba(0,0,0,.4)}
.modal-close{position:absolute;right:14px;top:12px;border:none;background:#ffd7a3;width:30px;height:30px;border-radius:50%;font-size:20px;color:#8a5a2a;cursor:pointer;font-weight:900}
.modal-box h3{margin:0 0 14px;color:var(--red);font-size:22px;text-align:center}
.modal-body{color:#5b4636;font-size:15px;line-height:1.7;font-weight:600;white-space:pre-wrap}
.modal-actions{margin-top:18px;text-align:center}

/* 抽奖结果弹窗 */
.win-pop{text-align:center}
.win-pop .em{font-size:72px;animation:pop .5s}
@keyframes pop{0%{transform:scale(.3)}70%{transform:scale(1.15)}100%{transform:scale(1)}}
.win-pop .pn{font-size:26px;font-weight:900;color:var(--red);margin:6px 0}

/* 轻提示 */
.toast{position:fixed;left:50%;bottom:60px;transform:translateX(-50%);background:rgba(30,15,50,.9);color:#fff;padding:12px 22px;border-radius:999px;font-weight:700;z-index:99;max-width:80%;text-align:center;box-shadow:0 8px 20px rgba(0,0,0,.4)}

/* 开场视频（5 秒后可跳过） */
.intro-video-layer{position:fixed;inset:0;z-index:200;background:#000;display:flex;align-items:center;justify-content:center}
.intro-video-inner{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.intro-video-inner video{width:100%;height:100%;object-fit:contain;background:#000}
.intro-video-skip{position:absolute;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));z-index:10;padding:8px 18px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(0,0,0,.55);color:#fff;font-size:14px;font-weight:700;cursor:pointer;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);box-shadow:0 4px 12px rgba(0,0,0,.35)}
.intro-video-skip.hidden{display:none}
.intro-video-skip:active{opacity:.85;transform:scale(.98)}
.intro-video-tip{position:absolute;left:0;right:0;bottom:28px;text-align:center;color:rgba(255,255,255,.85);font-weight:700;font-size:14px;pointer-events:none;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.intro-video-layer.need-tap::after{content:"点击屏幕开始播放";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800;background:rgba(0,0,0,.35);pointer-events:none}

/* 纪念证书 */
.cert-wrap{text-align:center}
.cert-canvas{max-width:100%;height:auto;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.18);background:#fff;-webkit-touch-callout:default;user-select:none}
.cert-tip{margin-top:10px;font-size:13px;color:#c8791b;font-weight:700;line-height:1.4}
.modal-box:has(.cert-wrap){max-width:440px}
.cert-save-layer{position:fixed;inset:0;z-index:220;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;padding:16px;box-sizing:border-box}
.cert-save-inner{width:100%;max-width:420px;text-align:center}
.cert-save-tip{color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;line-height:1.5;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.cert-save-inner img{width:100%;height:auto;border-radius:10px;background:#fff;-webkit-touch-callout:default}
.cert-save-close{margin-top:16px}