/* ===== 答题页 quiz.css ===== */

.qz-body{
  min-height:100vh;
  background:
    radial-gradient(1000px 600px at 15% -10%, rgba(109,94,252,.20), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(47,184,255,.14), transparent 60%),
    var(--bg-0);
}

.qz-wrap{
  max-width:860px;
  margin:0 auto;
  padding:34px 20px 60px;
}

.qz-q-title,.qz-opt-label,.qz-q-hint,.qz-notice p{
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* ---------- 顶部 ---------- */
.qz-head{
  position:sticky;
  top:var(--nav-h);
  z-index:20;
  padding:14px 16px 12px;
  border-radius:var(--r-lg);
  background:rgba(13,16,32,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.qz-head-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:12px;
}
.qz-scene{display:flex;align-items:center;gap:10px;min-width:0}
.qz-scene-name{
  font-size:18px;font-weight:800;letter-spacing:.5px;
  background:var(--grad-text);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--tx-0);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.qz-tier{
  flex:none;
  font-size:11px;font-weight:700;line-height:1;
  padding:5px 9px;border-radius:999px;
  color:var(--tx-1);
  border:1px solid var(--line);
  background:var(--glass);
}
.qz-tier.is-member{
  color:#3a2a05;border-color:transparent;
  background:var(--grad-gold);
}
.qz-count{
  flex:none;font-variant-numeric:tabular-nums;
  color:var(--tx-2);font-size:13px;
}
.qz-count b{font-size:20px;color:var(--tx-0);font-weight:800}
.qz-count i{margin:0 3px;font-style:normal;opacity:.5}

/* 流光进度条 */
.qz-bar{
  height:7px;border-radius:999px;overflow:hidden;
  background:rgba(255,255,255,.07);
}
.qz-bar-fill{
  position:relative;
  height:100%;width:0%;
  border-radius:999px;
  background:var(--grad-main);
  transition:width .45s cubic-bezier(.4,0,.2,1);
}
.qz-bar-flow{
  position:absolute;inset:0;
  border-radius:999px;
  background:linear-gradient(100deg,transparent 10%,rgba(255,255,255,.65) 45%,transparent 80%);
  transform:translateX(-100%);
  animation:qzFlow 2.1s linear infinite;
}
@keyframes qzFlow{to{transform:translateX(100%)}}

/* 圆点导航 */
.qz-dots{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:12px;
}
.qz-dot{
  width:26px;height:26px;flex:none;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:11px;font-weight:700;
  color:var(--tx-3);
  background:var(--glass);
  border:1px solid var(--line);
  cursor:not-allowed;
  padding:0;
  transition:transform .18s, background .18s, color .18s, border-color .18s;
}
.qz-dot.is-done{
  color:var(--tx-0);
  cursor:pointer;
  background:rgba(109,94,252,.28);
  border-color:rgba(109,94,252,.6);
}
.qz-dot.is-cur{
  color:#fff;cursor:pointer;
  background:var(--grad-main);
  border-color:transparent;
  box-shadow:0 0 0 3px rgba(109,94,252,.22);
}
.qz-dot.is-deep::after{
  content:'';
  position:absolute;
}
.qz-dot.is-deep{
  border-color:rgba(255,200,107,.45);
}
@media (hover:hover) and (pointer:fine){
  .qz-dot.is-done:hover,.qz-dot.is-cur:hover{transform:translateY(-2px) scale(1.08)}
}

/* ---------- 提示条 ---------- */
.qz-notice{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:16px;padding:13px 15px;
  border-radius:var(--r-md);
  font-size:13.5px;line-height:1.65;
  color:var(--tx-1);
  background:var(--glass);
  border:1px solid var(--line);
}
.qz-notice b{color:var(--tx-0)}
.qz-notice-warn{
  border-color:rgba(255,200,107,.32);
  background:rgba(255,200,107,.08);
}
.qz-notice-ic{
  flex:none;width:20px;height:20px;margin-top:1px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:12px;font-weight:800;color:#3a2a05;
  background:var(--gold);
}
.qz-notice p{margin:0;flex:1}
.qz-notice-link{
  flex:none;align-self:center;
  font-size:12.5px;font-weight:700;
  color:var(--gold);text-decoration:none;
  white-space:nowrap;
}

/* ---------- 题目卡 ---------- */
.qz-stage{margin-top:20px;min-height:280px}

.qz-loading{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:70px 0;color:var(--tx-2);
}
.qz-loading p{margin:0;font-size:14px}
.qz-spin{
  width:34px;height:34px;border-radius:50%;
  border:3px solid rgba(255,255,255,.12);
  border-top-color:var(--aurora-2);
  animation:qzSpin .85s linear infinite;
}
@keyframes qzSpin{to{transform:rotate(360deg)}}

.qz-card{
  padding:26px 24px 24px;
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,var(--glass-2),var(--glass));
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  animation:qzIn .38s cubic-bezier(.22,1,.36,1) both;
}
@keyframes qzIn{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}

.qz-q-meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-bottom:12px;
}
.qz-q-idx{
  font-size:12px;font-weight:800;letter-spacing:1px;
  color:var(--aurora-2);
}
.qz-q-tag{
  font-size:11px;font-weight:700;
  padding:3px 8px;border-radius:999px;
  color:var(--tx-2);
  background:var(--glass);
  border:1px solid var(--line);
}
.qz-q-tag.is-deep{color:var(--gold);border-color:rgba(255,200,107,.35)}

.qz-q-title{
  margin:0 0 6px;
  font-size:22px;line-height:1.45;font-weight:800;
  color:var(--tx-0);
}
.qz-q-hint{
  margin:0 0 18px;
  font-size:13.5px;line-height:1.6;
  color:var(--tx-2);
}

/* 选项 */
.qz-opts{display:flex;flex-direction:column;gap:11px;margin:0;padding:0;list-style:none}
.qz-opt{
  display:flex;align-items:center;gap:13px;
  /* 触控友好：最小 56px 命中区 */
  min-height:56px;
  padding:14px 16px;
  border-radius:var(--r-md);
  cursor:pointer;
  color:var(--tx-1);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:border-color .2s, background .2s, transform .2s;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}
.qz-opt input{position:absolute;opacity:0;width:0;height:0}
.qz-opt-box{
  flex:none;
  width:22px;height:22px;
  display:grid;place-items:center;
  border-radius:50%;
  border:2px solid var(--tx-3);
  transition:border-color .2s, background .2s;
}
.qz-opt-box.is-sq{border-radius:6px}
.qz-opt-box::after{
  content:'';
  width:9px;height:9px;border-radius:50%;
  background:#fff;
  transform:scale(0);
  transition:transform .2s cubic-bezier(.3,1.6,.5,1);
}
.qz-opt-box.is-sq::after{border-radius:2px}
.qz-opt-label{flex:1;font-size:15.5px;line-height:1.55}

.qz-opt.is-on{
  color:var(--tx-0);
  background:rgba(109,94,252,.14);
  border-color:rgba(109,94,252,.65);
}
.qz-opt.is-on .qz-opt-box{
  border-color:var(--aurora-1);
  background:var(--aurora-1);
}
.qz-opt.is-on .qz-opt-box::after{transform:scale(1)}

@media (hover:hover) and (pointer:fine){
  .qz-opt:hover{
    border-color:rgba(47,184,255,.5);
    background:rgba(47,184,255,.08);
    transform:translateY(-2px);
  }
}

/* 自定义补充 */
.qz-custom{margin-top:18px}
.qz-custom-lb{
  display:block;margin-bottom:8px;
  font-size:13px;font-weight:700;color:var(--tx-1);
}
.qz-custom-lb span{
  margin-left:6px;font-weight:600;
  color:var(--aurora-3);font-size:12px;
}
.qz-custom textarea{
  width:100%;
  min-height:92px;
  padding:13px 15px;
  border-radius:var(--r-md);
  font:inherit;font-size:15px;line-height:1.6;
  color:var(--tx-0);
  background:rgba(0,0,0,.28);
  border:1px solid var(--line);
  resize:vertical;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.qz-custom textarea::placeholder{color:var(--tx-3)}
.qz-custom textarea:focus{
  border-color:rgba(47,184,255,.6);
  box-shadow:0 0 0 3px rgba(47,184,255,.14);
}

/* 空 / 错 */
.qz-empty{
  padding:60px 20px;text-align:center;color:var(--tx-2);
}
.qz-empty h3{margin:0 0 10px;color:var(--tx-0);font-size:18px}
.qz-empty p{margin:0 0 20px;font-size:14px;line-height:1.7}

/* ---------- 底部按钮 ---------- */
.qz-actions{
  display:flex;gap:12px;
  margin-top:22px;
}
.qz-btn{
  flex:1;
  min-height:52px;
  padding:14px 20px;
  border-radius:999px;
  font:inherit;font-size:16px;font-weight:800;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s, box-shadow .2s, opacity .2s;
  -webkit-tap-highlight-color:transparent;
}
.qz-btn:disabled{opacity:.4;cursor:not-allowed}
.qz-btn-ghost{
  flex:0 0 32%;
  color:var(--tx-1);
  background:var(--glass);
  border-color:var(--line);
}
.qz-btn-main{
  color:#fff;
  background:var(--grad-main);
  box-shadow:var(--shadow-glow);
}
.qz-btn-main.is-final{background:linear-gradient(135deg,var(--aurora-3),var(--aurora-2) 60%,var(--aurora-1))}
@media (hover:hover) and (pointer:fine){
  .qz-btn:not(:disabled):hover{transform:translateY(-2px)}
  .qz-btn-main:not(:disabled):hover{box-shadow:0 10px 34px rgba(109,94,252,.45)}
}

/* ---------- 升级提示 ---------- */
.qz-upsell{
  display:flex;align-items:center;gap:16px;
  margin-top:24px;padding:18px 20px;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(255,200,107,.10),rgba(255,95,162,.06));
  border:1px solid rgba(255,200,107,.28);
}
.qz-upsell-txt{flex:1;min-width:0}
.qz-upsell-txt h3{
  margin:0 0 6px;font-size:15.5px;font-weight:800;color:var(--gold);
}
.qz-upsell-txt p{
  margin:0;font-size:13.5px;line-height:1.7;color:var(--tx-1);
}
.qz-upsell-txt b{color:var(--tx-0)}
.qz-upsell-btn{
  flex:none;
  padding:11px 18px;border-radius:999px;
  font-size:13.5px;font-weight:800;
  color:#3a2a05;text-decoration:none;
  background:var(--grad-gold);
  white-space:nowrap;
}
@media (hover:hover) and (pointer:fine){
  .qz-upsell-btn:hover{filter:brightness(1.08)}
}

.qz-foot-tip{
  margin:28px 0 0;text-align:center;
  font-size:12px;color:var(--tx-3);
}

/* ---------- 移动端 ---------- */
@media (max-width:768px){
  .qz-wrap{padding:18px 14px 44px}
  .qz-head{padding:12px 13px 10px;border-radius:var(--r-md)}
  .qz-scene-name{font-size:16px}
  .qz-count b{font-size:18px}
  .qz-dots{gap:6px}
  .qz-dot{width:24px;height:24px;font-size:10px}
  .qz-card{padding:20px 16px}
  .qz-q-title{font-size:19px}
  .qz-opt{padding:13px 14px;min-height:58px}
  .qz-opt-label{font-size:15px}
  .qz-btn{font-size:15px;min-height:50px}
  .qz-upsell{flex-direction:column;align-items:stretch;text-align:left}
  .qz-upsell-btn{text-align:center}
  .qz-notice{flex-wrap:wrap}
  .qz-notice-link{align-self:flex-start;padding-left:30px}
}
@media (max-width:380px){
  .qz-q-title{font-size:17.5px}
  .qz-dot{width:22px;height:22px}
}