/* ===== 驾考刷题 · H5 ===== */
:root{
  /* 主色：橘红（品牌色） */
  --green:#F4511E; --green-d:#D93F12; --green-l:#FFF1EA;
  --blue:#FF7A3D;  --blue-l:#FFF1EA;
  --teal:#F59E0B;  --teal-l:#FFF7E6;
  --orange:#FF7A18; --red:#E2493F; --red-l:#FDECEA;
  --ink:#231A14; --ink2:#6B5A50; --ink3:#A9968B;
  --bg:#F7F4F1; --card:#fff; --line:#EFE6E0;
  --r:14px; --r-lg:22px;
  --sh:0 2px 10px rgba(20,35,60,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}

#app{max-width:560px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative}
.view{display:block}
.view[hidden]{display:none}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:20;height:40px;display:flex;align-items:center;
  gap:6px;padding:0 10px;background:#141a22;color:#fff;
}
.topbar-title{flex:1;text-align:center;font-size:16px;font-weight:600;letter-spacing:.5px}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:20px;line-height:1;color:inherit;opacity:.92;
}
.icon-btn:active{background:rgba(255,255,255,.14)}

/* ---------- 首页头部 ---------- */
.page-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px 8px;background:#fff;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{
  width:38px;height:38px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#F4511E,#FF8A4C);
  color:#fff;font-weight:700;display:grid;place-items:center;font-size:17px;
  box-shadow:0 4px 12px rgba(244,81,30,.32);
}
.brand-txt{display:flex;flex-direction:column;min-width:0}
.brand-txt b{font-size:15px}
.brand-txt span{font-size:11px;color:var(--ink3)}
.brand-badge{
  font-size:12px;color:var(--green);background:var(--green-l);
  padding:5px 11px;border-radius:20px;font-weight:600;flex:none;
}

/* ---------- Banner ---------- */
.banner{
  margin:0 14px 10px;padding:14px 16px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,#F4511E,#FF7A3D 55%,#FF9E5C);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px;
  box-shadow:0 8px 22px rgba(244,81,30,.26);
}
.banner-txt h1{margin:0;font-size:19px;letter-spacing:1px}
.banner-txt p{margin:4px 0 8px;font-size:12px;opacity:.92}
.banner-txt span{
  display:inline-block;font-size:11.5px;padding:3px 10px;border-radius:20px;
  background:rgba(255,255,255,.22);font-weight:600;
}
.banner-art{display:grid;grid-template-columns:auto auto;gap:2px 6px;flex:none}
.banner-art span{font-size:26px;line-height:1;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}

/* ---------- 通知条 ---------- */
.notice-bar{
  margin:0 14px 12px;height:30px;border-radius:8px;background:#fff7e6;
  display:flex;align-items:center;gap:8px;padding:0 10px;overflow:hidden;
}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none}
.notice-track{
  font-size:12.5px;color:#B4620A;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;flex:1;
}

/* ---------- 车型选择 ---------- */
.licenses{
  display:grid;grid-template-columns:repeat(4,1fr);gap:6px;
  padding:8px 8px 4px;background:#fff;margin-bottom:6px;
}
.lic{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:5px 2px;border-radius:12px;transition:.15s;
}
.lic i{font-size:21px;line-height:1;font-style:normal;filter:grayscale(1);opacity:.5}
.lic span{font-size:11.5px;color:var(--ink3);font-weight:600}
.lic.on{background:var(--green-l)}
.lic.on i{filter:none;opacity:1}
.lic.on span{color:var(--green)}

/* ---------- 科目 Tab ---------- */
.subjects{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  padding:0 14px 8px;background:#fff;margin-bottom:6px;
}
.subj{
  height:32px;border-radius:16px;border:1.5px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink2);background:#fff;
}
.subj.on{background:var(--green);border-color:var(--green);color:#fff;
  box-shadow:0 3px 10px rgba(244,81,30,.3)}
.subj:disabled{color:var(--ink3);border-style:dashed;opacity:.75}

/* ---------- 圆盘区 ---------- */
.hub{background:#fff;padding:6px 8px 4px}
.hub-row{
  display:grid;grid-template-columns:1fr 128px 1fr;
  align-items:center;gap:8px;padding:10px 0;
}
.hub-side{display:flex;flex-direction:column;gap:9px}
.pill{
  height:42px;border-radius:22px;border:1.5px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--ink2);
  box-shadow:0 1px 4px rgba(20,35,60,.05);text-decoration:none;
  display:flex;align-items:center;justify-content:center;
}
.pill:active{background:#f7f8fa;transform:scale(.98)}

.hub-circle{
  position:relative;width:128px;height:128px;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-weight:700;
  box-shadow:0 8px 22px rgba(27,127,212,.28);
}
.hub-blue{background:linear-gradient(150deg,#F4511E,#FF8A4C)}
.hub-teal{background:linear-gradient(150deg,#F59E0B,#FBBF24);
  box-shadow:0 8px 22px rgba(245,158,11,.3)}
.hub-label{font-size:17px;letter-spacing:1px}
.hub-tag{
  position:absolute;top:-4px;left:50%;transform:translateX(-50%);
  font-size:11px;padding:3px 12px;border-radius:12px;font-weight:700;color:#fff;
  white-space:nowrap;
}
.hub-tag-orange{background:#D93F12}
.hub-tag-green{background:#EA8A00}
.hub-circle:active{transform:scale(.97)}

/* ---------- 开始按钮 ---------- */
.start-wrap{padding:10px 14px 16px;background:#fff}
.start-btn{
  width:100%;height:52px;border-radius:26px;color:#fff;font-size:16px;font-weight:700;
  background:linear-gradient(135deg,#F4511E,#FF7A3D);
  box-shadow:0 8px 20px rgba(244,81,30,.32);letter-spacing:.5px;
}
.start-btn:active{transform:scale(.985)}
.quota-line{margin-top:12px;text-align:center;font-size:12.5px;color:var(--ink3)}
.quota-line b{color:var(--green);font-size:15px}

/* 两个圆盘中间的开始按钮：矮一点、靠右延长 */
.start-inline{padding:2px 12px 10px;background:transparent;display:flex;flex-direction:column;align-items:flex-end}
.start-inline .start-btn{width:66%;height:38px;border-radius:19px;font-size:14px}
.start-inline .quota-line{width:66%;margin-top:4px;font-size:11px}

/* ---------- 底部导航 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  max-width:560px;margin:0 auto;height:calc(58px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;color:var(--ink3);font-size:11px;text-decoration:none}
.tab i{font-size:19px;font-style:normal;filter:grayscale(1);opacity:.55}
.tab.active{color:var(--green);font-weight:700}
.tab.active i{filter:none;opacity:1}

/* ---------- 答题页 ---------- */
.progress-line{height:3px;background:#e8ebf0}
.progress-line i{display:block;height:100%;width:0;background:var(--green);
  border-radius:0 2px 2px 0;transition:width .25s}

.q-card{background:#fff;margin:12px;border-radius:var(--r);padding:16px 16px 20px;
  box-shadow:var(--sh);min-height:260px}
.q-meta{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.q-index{font-size:20px;font-weight:800;color:var(--green)}
.q-type{font-size:11.5px;padding:2px 9px;border-radius:10px;
  background:var(--blue-l);color:var(--blue);font-weight:600}
.exam-answered{margin-left:auto;font-size:12px;color:var(--ink3)}
.q-stem{font-size:16.5px;line-height:1.65;font-weight:600;margin-bottom:16px}
.q-stem em{color:var(--red);font-style:normal;font-weight:800;
  background:#ffe9e7;padding:0 2px;border-radius:3px}

/* ---------- 题目配图 ---------- */
.q-img{margin:0 0 14px;text-align:center;background:#fff;border-radius:12px;
  border:1px solid var(--line);padding:6px;cursor:zoom-in}
.q-img img{width:auto;max-width:100%;max-height:26vh;object-fit:contain;
  display:block;margin:0 auto;border-radius:8px;cursor:zoom-in}

/* 选项短的时候两列排（A/B 一行、C/D 一行），少占竖向空间 */
#q-options.two-col{display:grid;grid-template-columns:1fr 1fr;gap:8px}
#q-options.two-col .opt{margin-bottom:0}
.q-img img:active{opacity:.85}

.q-options{display:flex;flex-direction:column;gap:10px}
.opt{
  display:flex;gap:10px;align-items:flex-start;text-align:left;
  padding:12px 13px;border-radius:12px;border:1.5px solid var(--line);
  background:#fbfcfd;font-size:15px;line-height:1.5;
}
.opt b{
  flex:none;width:22px;height:22px;border-radius:50%;background:#eef1f5;
  color:var(--ink2);font-size:12.5px;display:grid;place-items:center;font-weight:700;
}
.opt.right{border-color:var(--green);background:var(--green-l)}
.opt.right b{background:var(--green);color:#fff}
.opt.wrong{border-color:var(--red);background:var(--red-l)}
.opt.wrong b{background:var(--red);color:#fff}
.opt.dim{opacity:.62}
.opt.sel{border-color:var(--primary);background:#fff7f2}
.opt.sel b{background:var(--primary);color:#fff}

.q-explain{margin-top:16px;padding:12px 13px;border-radius:12px;
  background:#f6f8fa;font-size:13.5px;line-height:1.65;color:var(--ink2)}
.q-explain strong{color:var(--green)}

.practice-foot{
  position:fixed;left:0;right:0;bottom:calc(58px + env(safe-area-inset-bottom));
  max-width:560px;margin:0 auto;display:flex;gap:10px;padding:10px 14px;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(8px);
}

/* 答题页底部是固定悬浮的按钮条，内容要留出空间，否则解析会被盖住 */
#view-practice,#view-exam{padding-bottom:150px}
.foot-btn{flex:1;height:46px;border-radius:23px;border:1.5px solid var(--line);
  background:#fff;font-size:15px;font-weight:600;color:var(--ink2)}
.foot-primary{background:var(--green);border-color:var(--green);color:#fff}
.foot-btn:disabled{opacity:.45}

/* ---------- 成绩页 ---------- */
.result-card{background:#fff;margin:16px 14px;border-radius:var(--r);
  padding:28px 18px;text-align:center;box-shadow:var(--sh)}
.result-score{font-size:56px;font-weight:800;line-height:1;color:var(--green)}
.result-score.fail{color:var(--orange)}
.result-verdict{margin-top:10px;font-size:17px;font-weight:700}
.result-meta{margin-top:14px;font-size:13px;color:var(--ink3);line-height:1.9}
.result-actions{display:flex;gap:10px;padding:0 14px}

/* ---------- 列表 / 空态 ---------- */
.cat-list{padding:12px 12px 24px;display:flex;flex-direction:column;gap:10px}
.cat-item{
  display:flex;align-items:center;gap:12px;background:#fff;border-radius:var(--r);
  padding:14px;box-shadow:var(--sh);
}
.cat-item .ci-icon{width:38px;height:38px;border-radius:10px;flex:none;
  display:grid;place-items:center;background:var(--green-l);font-size:18px}
.cat-item .ci-main{flex:1;min-width:0}
.cat-item .ci-main b{display:block;font-size:15px}
.cat-item .ci-main small{color:var(--ink3);font-size:12px}
.cat-item .ci-go{color:var(--ink3);font-size:20px}

.empty-tip{padding:56px 28px;text-align:center;color:var(--ink3);
  font-size:13.5px;line-height:2}

.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 12px 0}
.stat-cell{background:#fff;border-radius:var(--r);padding:14px 8px;text-align:center;
  box-shadow:var(--sh)}
.stat-cell b{display:block;font-size:22px;font-weight:800;color:var(--green)}
.stat-cell span{font-size:11.5px;color:var(--ink3)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:110px;transform:translate(-50%,12px);
  background:rgba(28,36,48,.92);color:#fff;font-size:13.5px;
  padding:10px 18px;border-radius:22px;opacity:0;pointer-events:none;
  transition:.22s;z-index:99;max-width:80%;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:360px){
  .hub-row{grid-template-columns:1fr 112px 1fr}
  .hub-circle{width:112px;height:112px}
  .pill{height:38px;font-size:13px}
}

/* ============================================================
   UI 升级：底部导航 / 胶囊按钮 / 分段切换 / 标签 统一打磨
   ============================================================ */

/* ---------- 底部导航：浮起圆角条 + 选中胶囊 ---------- */
.tabbar{
  grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-top:1px solid rgba(239,230,224,.9);
  box-shadow:0 -6px 22px rgba(31,20,16,.07);
  height:calc(62px + env(safe-area-inset-bottom));
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
  gap:2px;
}
.tab{
  position:relative;gap:3px;border-radius:14px;
  color:#B4A399;font-size:10.5px;font-weight:600;letter-spacing:.2px;
  transition:background .18s,color .18s;
}
.tab i{font-size:20px;line-height:1;font-style:normal;
  filter:grayscale(1);opacity:.5;transition:.18s}
.tab.active{color:#D93F12;font-weight:800;background:#FFF1EA}
.tab.active i{filter:none;opacity:1;transform:translateY(-1px)}
.tab:active{background:#FDF3EE}

/* ---------- 首页胶囊入口：从"扁按钮"改成"小卡片" ---------- */
.hub{padding:10px 10px 6px}
.hub-side{gap:10px}
.pill{
  height:46px;border-radius:14px;border:1px solid #F3E7DF;
  background:#fff;font-size:13.5px;font-weight:700;color:#4A3A31;
  box-shadow:0 2px 8px rgba(31,20,16,.05);
  justify-content:flex-start;padding:0 13px;gap:8px;
  transition:transform .14s,box-shadow .18s,background .18s;
}
.pill::before{
  content:attr(data-ic);font-size:16px;line-height:1;
  filter:grayscale(.15);flex:none;
}
.pill:active{transform:scale(.975);background:#FFF8F4;box-shadow:0 1px 4px rgba(31,20,16,.06)}
.pill.pri{background:linear-gradient(135deg,#F4511E,#FF7A3D);border-color:transparent;color:#fff;
  box-shadow:0 6px 16px rgba(244,81,30,.28)}
.pill.pri::before{filter:none}

/* ---------- 分段切换（汽车 / 摩托车 之类） ---------- */
.seg{display:grid;gap:8px;padding:0 12px 12px}
.seg.two{grid-template-columns:1fr 1fr}
.seg.three{grid-template-columns:repeat(3,1fr)}
.seg.four{grid-template-columns:repeat(4,1fr)}
.sbtn{
  height:44px;border-radius:13px;border:1px solid #F0E4DC;background:#fff;
  font-size:13.5px;font-weight:700;color:#6B5A50;
  box-shadow:0 1px 3px rgba(31,20,16,.04);
  display:flex;align-items:center;justify-content:center;gap:6px;
  transition:.16s;
}
.sbtn.on{
  background:linear-gradient(135deg,#F4511E,#FF7A3D);border-color:transparent;color:#fff;
  box-shadow:0 6px 16px rgba(244,81,30,.26);
}
.sbtn:active{transform:scale(.98)}

/* ---------- 彩色小标签（分类、尺寸、条数） ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 12px}
.chips.scroll{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
.chips.scroll::-webkit-scrollbar{display:none}
.chip{
  flex:none;height:34px;padding:0 15px;border-radius:11px;border:1px solid #F0E4DC;
  background:#fff;font-size:12.5px;font-weight:700;color:#6B5A50;
  display:inline-flex;align-items:center;gap:5px;
  box-shadow:0 1px 3px rgba(31,20,16,.04);transition:.16s;
}
.chip.on{
  background:linear-gradient(135deg,#F4511E,#FF7A3D);border-color:transparent;color:#fff;
  box-shadow:0 5px 14px rgba(244,81,30,.24);
}
.chip:active{transform:scale(.97)}
.chip .n{font-size:11px;opacity:.75;font-weight:600}

/* ---------- 入口大卡（技巧页底部那三块） ---------- */
.entry{
  display:flex;align-items:center;gap:11px;margin:0 12px 10px;padding:13px 15px;
  border-radius:16px;text-decoration:none;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 8px 20px rgba(31,20,16,.12);
}
.entry .eic{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
/* 一项一行：标题和说明并排，不再上下两行 */
.entry .etx{display:flex;align-items:baseline;gap:8px;min-width:0;flex:1}
.entry .et{font-size:15.5px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.entry .es{font-size:11.5px;opacity:.88;line-height:1.4;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.entry .ego{margin-left:auto;font-size:19px;opacity:.85;flex:none}
.entry:active{transform:scale(.985)}
.entry.orange{background:linear-gradient(120deg,#F4511E,#FF8449)}
.entry.green{background:linear-gradient(120deg,#0E7A56,#17AD76)}
.entry.amber{background:linear-gradient(120deg,#B4530A,#F0A02A)}
.entry.slate{background:linear-gradient(120deg,#3B4A5A,#5C7286)}

/* ---------- 板块标题 ---------- */
.blocktitle{
  display:flex;align-items:center;gap:8px;
  margin:4px 14px 10px;font-size:14px;font-weight:800;color:#3A2A22;
}
.blocktitle::before{
  content:"";width:4px;height:15px;border-radius:2px;
  background:linear-gradient(180deg,#F4511E,#FF9A5C);
}
.blocktitle .sub{margin-left:auto;font-size:11.5px;font-weight:600;color:#A9968B}

/* ---------- 顶栏：醒目的橙色返回键 ---------- */
.topbar{height:52px;gap:10px}
.topbar-title{font-size:16.5px;font-weight:800;letter-spacing:.6px}
.icon-btn.back{
  width:40px;height:40px;border-radius:13px;color:#fff;opacity:1;
  background:linear-gradient(135deg,#F4511E,#FF7A3D);
  box-shadow:0 5px 14px rgba(244,81,30,.34);
  font-size:22px;font-weight:700;padding-bottom:2px;
}
.icon-btn.back:active{transform:scale(.94);background:linear-gradient(135deg,#D93F12,#F4511E)}

/* ---------- 首页入口胶囊：每类一个颜色 ---------- */
.pill{position:relative;overflow:hidden}
.pill::before{
  content:attr(data-ic);width:27px;height:27px;border-radius:9px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:14.5px;
  background:#FFF1EA;
}
.pill.o::before{background:#FFEADF}
.pill.a::before{background:#FFF6E0}
.pill.b::before{background:#EAF2FF}
.pill.g::before{background:#E7F8F0}
.pill.r::before{background:#FFEBEA}
.pill.v::before{background:#F3ECFF}
.pill.o{border-color:#FFE2D2;background:linear-gradient(180deg,#FFFDFB,#FFF6F1)}
.pill.a{border-color:#FFEDCF;background:linear-gradient(180deg,#FFFDF7,#FFF8EC)}
.pill.b{border-color:#DCE8FB;background:linear-gradient(180deg,#FBFDFF,#F2F7FF)}
.pill.g{border-color:#D6F0E4;background:linear-gradient(180deg,#FBFFFD,#F0FBF6)}
.pill.r{border-color:#FBDDD9;background:linear-gradient(180deg,#FFFCFB,#FFF3F2)}
.pill.v{border-color:#E6DBFB;background:linear-gradient(180deg,#FDFBFF,#F6F1FF)}
.pill.o{color:#B23C10}.pill.a{color:#9A5B08}.pill.b{color:#1D5FA8}
.pill.g{color:#0E6E4E}.pill.r{color:#B03027}.pill.v{color:#6338C7}

/* ---------- 分段按钮：按驾照配颜色 ---------- */
.sbtn.o{background:#FFF3EA;border-color:#FFE0CE;color:#B23C10}
.sbtn.b{background:#EFF6FF;border-color:#D8E8FF;color:#1D5FA8}
.sbtn.g{background:#EDFBF4;border-color:#D3F0E1;color:#0E6E4E}
.sbtn.v{background:#F5F1FF;border-color:#E6DDFF;color:#6338C7}
.sbtn.o.on{background:linear-gradient(135deg,#F4511E,#FF7A3D);border-color:transparent;color:#fff}
.sbtn.b.on{background:linear-gradient(135deg,#2563EB,#3B82F6);border-color:transparent;color:#fff}
.sbtn.g.on{background:linear-gradient(135deg,#0E7A56,#12A46F);border-color:transparent;color:#fff}
.sbtn.v.on{background:linear-gradient(135deg,#7C3AED,#A855F7);border-color:transparent;color:#fff}
.sbtn.o.on{box-shadow:0 6px 16px rgba(244,81,30,.26)}
.sbtn.b.on{box-shadow:0 6px 16px rgba(37,99,235,.24)}
.sbtn.g.on{box-shadow:0 6px 16px rgba(14,122,86,.24)}
.sbtn.v.on{box-shadow:0 6px 16px rgba(124,58,237,.24)}

/* 语言切换（汉语/维吾尔语） */
.lang-line{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:10px;font-size:13px;color:#8A6B57}
.lang-line .lang-lb{opacity:.75}
.lang-btn{border:1.5px solid #EADFD5;background:#fff;color:#2A1A12;border-radius:16px;padding:5px 14px;font-size:13px;line-height:1.25}
.lang-btn.on{background:#F4511E;border-color:#F4511E;color:#fff}
body.ug{direction:rtl}
body.ug .lang-line,body.ug .start-wrap{direction:ltr}
body.ug .ug-only{display:block}
.ug-only{display:none}