/* ============ 基础变量 ============ */
:root{
  --brand:#14507a;
  --brand-soft:#e8f0f7;
  --brand-2:#2f7fbf;
  --bg:#f3f5f8;
  --card:#ffffff;
  --text:#16202a;
  --text-2:#43535f;
  --muted:#7d8b97;
  --line:#e6ebf0;
  --line-strong:#d6dee6;
  --ok:#1e8e5a;
  --ok-soft:#e6f5ee;
  --warn:#c8621f;
  --warn-soft:#fdf0e6;
  --shadow:0 1px 2px rgba(16,32,48,.04),0 8px 24px rgba(16,32,48,.06);
  --radius:16px;
  --topbar-h:54px;
  --tabbar-h:62px;
  --fs:1;
}
html[data-fs="0"]{--fs:.94}
html[data-fs="1"]{--fs:1}
html[data-fs="2"]{--fs:1.1}
html[data-theme="dark"]{
  --brand:#7fb6e0;
  --brand-soft:#1b2a36;
  --brand-2:#4d94c9;
  --bg:#10161c;
  --card:#18212a;
  --text:#e8eef4;
  --text-2:#b9c6d1;
  --muted:#8494a1;
  --line:#26323d;
  --line-strong:#31404d;
  --ok:#4cc38a;
  --ok-soft:#16291f;
  --warn:#e0955b;
  --warn-soft:#2b1e14;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button{font-family:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;font-size:inherit}
input{font-family:inherit}
b,strong{font-weight:600}
em{font-style:normal}

/* ============ 顶栏 ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:60;
  display:flex;align-items:center;gap:6px;padding:0 8px;
  background:color-mix(in srgb,var(--card) 88%,transparent);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top);
  height:calc(var(--topbar-h) + env(safe-area-inset-top));
}
.topbar-title{flex:1;font-size:17px;font-weight:600;letter-spacing:.2px;text-align:center;padding-right:0}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;color:var(--text-2);
  transition:background .15s;
}
.icon-btn:active{background:var(--line)}

/* ============ 通用 ============ */
main{
  padding-top:calc(var(--topbar-h) + 4px + env(safe-area-inset-top));
  padding-bottom:calc(var(--tabbar-h) + 12px + env(safe-area-inset-bottom));
  min-height:100dvh;
}
.view{padding:0 14px}
[hidden]{display:none !important}

.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:7px;
  font-size:12px;font-weight:500;letter-spacing:.2px;background:var(--brand-soft);color:var(--brand);
  white-space:nowrap;
}
.chip-code{background:var(--bg);color:var(--muted);font-variant-numeric:tabular-nums}

/* ============ 首页 hero ============ */
.hero{
  margin:10px 0 14px;padding:18px 18px 16px;border-radius:20px;
  background:linear-gradient(135deg,#12496f 0%,#1c6ea3 55%,#2f8fbd 100%);
  color:#fff;position:relative;overflow:hidden;
  box-shadow:0 10px 26px rgba(18,73,111,.24);
}
.hero::after{
  content:"";position:absolute;right:-42px;top:-52px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.hero-kicker{font-size:12px;opacity:.82;letter-spacing:.4px}
.hero-title{margin:4px 0 14px;font-size:24px;font-weight:700;letter-spacing:1px}
.hero-stats{display:flex;gap:8px;margin-bottom:12px}
.stat{flex:1;background:rgba(255,255,255,.14);border-radius:12px;padding:8px 10px;backdrop-filter:blur(4px)}
.stat b{display:block;font-size:20px;line-height:1.2;font-weight:700;font-variant-numeric:tabular-nums}
.stat span{font-size:11px;opacity:.85}
.hero-bar{height:5px;border-radius:99px;background:rgba(255,255,255,.22);overflow:hidden}
.hero-bar i{display:block;height:100%;width:0;border-radius:99px;background:#ffd479;transition:width .4s ease}
.hero-note{margin-top:8px;font-size:11.5px;opacity:.8}

/* ============ 继续背题 / 搜索入口 ============ */
.resume{
  width:100%;display:flex;align-items:center;gap:12px;padding:13px 15px;margin-bottom:10px;
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);text-align:left;
}
.resume:active{transform:scale(.995)}
.resume-icon{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
}
.resume-text{flex:1;min-width:0}
.resume-text b{display:block;font-size:15px}
.resume-text em{display:block;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chev{color:var(--muted);font-size:20px;line-height:1}

.search-entry{
  display:flex;align-items:center;gap:9px;height:44px;padding:0 14px;margin-bottom:18px;
  background:var(--card);border-radius:14px;box-shadow:var(--shadow);color:var(--muted);font-size:14.5px;
}
.section-title{
  font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.3px;
  margin:2px 4px 10px;display:flex;align-items:baseline;gap:8px;
}
.section-sub{font-weight:400;color:var(--muted);font-size:11.5px}

/* ============ 岗位列表 ============ */
.chapters{display:flex;flex-direction:column;gap:9px}
.chapter{
  display:flex;align-items:center;gap:12px;padding:13px 14px;background:var(--card);
  border-radius:var(--radius);box-shadow:var(--shadow);text-align:left;width:100%;
}
.chapter:active{background:var(--brand-soft)}
.ch-no{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.ch-body{flex:1;min-width:0}
.ch-name{font-size:15.5px;font-weight:600;margin-bottom:5px;display:flex;align-items:baseline;gap:8px}
.ch-name small{font-weight:400;color:var(--muted);font-size:11.5px;flex:0 0 auto}
.ch-progress{height:4px;border-radius:99px;background:var(--line);overflow:hidden}
.ch-progress i{display:block;height:100%;width:0;background:var(--brand-2);border-radius:99px;transition:width .4s}
.ch-done{font-size:11.5px;color:var(--muted);margin-top:5px;font-variant-numeric:tabular-nums}

.footnote{
  margin:22px 4px 8px;font-size:11.5px;line-height:1.75;color:var(--muted);
}
#buildNote{opacity:.75}

/* ============ 岗位内指导书列表 ============ */
.chp-head{
  display:flex;align-items:baseline;gap:9px;padding:14px 4px 4px;
}
.chp-name{font-size:15.5px;font-weight:700;letter-spacing:.2px}
.chp-meta{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}

.glist{display:flex;flex-direction:column;gap:1px;background:var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.gitem{
  display:flex;align-items:flex-start;gap:11px;padding:13px 14px;background:var(--card);text-align:left;width:100%;
}
.gitem:active{background:var(--brand-soft)}
.g-no{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--bg);color:var(--muted);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.gitem.done .g-no{background:var(--ok-soft);color:var(--ok)}
.g-body{flex:1;min-width:0}
.g-title{display:block;font-size:14.8px;font-weight:600;line-height:1.45}
.g-sub{display:block;font-size:11.5px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums}
.g-title mark{background:#ffe6a8;color:#7a4b00;border-radius:3px;padding:0 1px}
html[data-theme="dark"] .g-title mark{background:#5a4310;color:#ffd88a}
.g-marks{flex:0 0 auto;display:flex;align-items:center;gap:5px;padding-top:2px;font-size:11px}

/* 岗位目录内搜索：吸顶 */
.chp-search{
  position:sticky;top:calc(var(--topbar-h) + env(safe-area-inset-top));z-index:30;
  margin:0 -14px;padding:8px 14px 2px;background:var(--bg);
}
.chp-search .search-bar{margin:0 0 8px}

/* ============ 指导书正文 ============ */
.doc{padding:18px 17px 18px}
.doc-title{
  font-size:calc(19px * var(--fs));line-height:1.5;margin:0 0 8px;font-weight:700;letter-spacing:.1px;
}
.card-top{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.card{
  background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:18px 17px 16px;
  position:relative;
}
.pill{
  font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:7px;
  background:var(--brand-soft);color:var(--brand);
}
.card-code{flex:1;font-size:11px;color:var(--muted);letter-spacing:.3px;font-variant-numeric:tabular-nums;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fav-btn{width:34px;height:34px;margin:-6px -6px -6px 0;display:grid;place-items:center;color:var(--muted);border-radius:10px}
.fav-btn.on{color:#e0a02a}
.fav-btn.on svg path{fill:#f0b53c;stroke:#e0a02a}
.fav-btn:active{background:var(--line)}

.src{
  font-size:12.5px;color:var(--muted);line-height:1.6;padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.src-row{display:block}
.src-row + .src-row{margin-top:2px}

.answer{padding-top:14px;animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* 答案内目录导航 */
.sec-nav{
  display:flex;align-items:center;gap:8px;padding-bottom:10px;margin-bottom:2px;
  border-bottom:1px dashed var(--line);
}
.sec-nav-t{flex:0 0 auto;font-size:11.5px;color:var(--muted)}
.sec-nav-scroll{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px 0}
.sec-nav-scroll::-webkit-scrollbar{display:none}
.sec-chip{
  flex:0 0 auto;height:27px;padding:0 10px;border-radius:8px;font-size:12px;
  background:var(--bg);color:var(--text-2);border:1px solid var(--line);
}
.sec-chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
html[data-theme="dark"] .sec-chip.on{color:#0e1620}

/* 一级分节标题 */
.ans-s{
  display:flex;align-items:center;gap:8px;margin:20px 0 10px;
  font-size:calc(16px * var(--fs));font-weight:700;color:var(--text);letter-spacing:.2px;
  scroll-margin-top:calc(var(--topbar-h) + env(safe-area-inset-top) + 10px);
}
.sec-nav + .ans-s{margin-top:14px}
.ans-s i{
  flex:0 0 auto;width:21px;height:21px;border-radius:6px;display:grid;place-items:center;
  background:var(--brand);color:#fff;font-size:11.5px;font-weight:700;font-style:normal;
  font-variant-numeric:tabular-nums;line-height:1;
}
.ans-h{
  font-size:calc(15px * var(--fs));font-weight:700;color:var(--brand);
  margin:14px 0 8px;padding-left:9px;border-left:3px solid var(--brand-2);line-height:1.4;
}
.ans-h:first-child{margin-top:0}
.ans-p{margin:0 0 10px;font-size:calc(16.5px * var(--fs));line-height:1.85;color:var(--text);letter-spacing:.2px}
.ans-list{margin:0 0 12px;padding:0;list-style:none;counter-reset:li}
.ans-list li{
  counter-increment:li;position:relative;padding-left:26px;margin-bottom:9px;
  font-size:calc(16.5px * var(--fs));line-height:1.85;letter-spacing:.2px;
}
.ans-list li::before{
  content:counter(li);position:absolute;left:0;top:.32em;
  width:19px;height:19px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:11.5px;font-weight:600;display:grid;place-items:center;line-height:1;
  font-variant-numeric:tabular-nums;
}
.tbl-wrap{overflow-x:auto;margin:10px 0 14px;-webkit-overflow-scrolling:touch;border-radius:10px;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:13.5px}
td,th{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:middle;
  white-space:normal;word-break:break-word;color:var(--text-2);min-width:2.4em;line-height:1.5}
tr:first-child td{background:var(--brand-soft);color:var(--brand);font-weight:600}

.doc-foot{
  display:flex;gap:9px;margin-top:22px;padding-top:14px;border-top:1px dashed var(--line);
}
.doc-nav-btn{
  flex:1;height:44px;border-radius:12px;background:var(--bg);color:var(--text-2);
  font-size:13.5px;font-weight:600;border:1px solid var(--line);
}
.doc-nav-btn:active{background:var(--brand-soft);color:var(--brand)}

/* ============ 列表视图 ============ */
.search-bar{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:12px 0 10px;
  background:var(--card);border-radius:14px;box-shadow:var(--shadow);color:var(--muted);
}
.search-bar input{
  flex:1;border:0;outline:0;background:none;font-size:15px;color:var(--text);min-width:0;
}
.search-bar input::placeholder{color:var(--muted)}
.search-bar input::-webkit-search-cancel-button,
.search-bar input::-webkit-search-decoration{-webkit-appearance:none;display:none}
.clear-btn{width:26px;height:26px;border-radius:50%;background:var(--line);color:var(--text-2);font-size:16px;line-height:1;display:grid;place-items:center}

.filters{display:flex;gap:7px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.filters::-webkit-scrollbar{display:none}
.f-chip{
  flex:0 0 auto;height:31px;padding:0 13px;border-radius:99px;font-size:13px;
  background:var(--card);color:var(--text-2);border:1px solid var(--line);white-space:nowrap;
}
.f-chip.on{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
html[data-theme="dark"] .f-chip.on{color:#0e1620}

.list-info{font-size:12px;color:var(--muted);padding:0 4px 8px;display:flex;justify-content:space-between;gap:10px}
.list{display:flex;flex-direction:column;gap:8px}
.item{
  background:var(--card);border-radius:14px;padding:13px 14px;box-shadow:var(--shadow);text-align:left;width:100%;
  display:flex;flex-direction:column;gap:6px;
}
.item:active{background:var(--brand-soft)}
.item-top{display:flex;align-items:center;gap:7px}
.item-q{font-size:15px;font-weight:600;line-height:1.5}
.item-src{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-snip{font-size:12.5px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-snip mark, .item-q mark{background:#ffe6a8;color:#7a4b00;border-radius:3px;padding:0 1px}
html[data-theme="dark"] .item-snip mark, html[data-theme="dark"] .item-q mark{background:#5a4310;color:#ffd88a}
.tag-dot{width:7px;height:7px;border-radius:50%;flex:0 0 7px}
.empty{text-align:center;color:var(--muted);font-size:13.5px;padding:48px 20px;line-height:1.9}
.list-more{text-align:center;padding:16px 0 8px}
.more-btn{
  height:40px;padding:0 22px;border-radius:99px;background:var(--card);box-shadow:var(--shadow);
  font-size:13.5px;color:var(--text-2);font-weight:600;
}
.loading{display:flex;align-items:center;justify-content:center;gap:9px;padding:40px 0;color:var(--muted);font-size:13.5px}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--line-strong);border-top-color:var(--brand-2);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 底部标签栏 ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  display:flex;background:color-mix(in srgb,var(--card) 92%,transparent);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-top:1px solid var(--line);z-index:60;
}
body.studying .tabbar{display:none}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11px;color:var(--muted);padding-top:2px;
}
.tab.active{color:var(--brand)}
.tab.active svg{transform:translateY(-1px)}

/* ============ 设置面板 ============ */
.sheet-mask{position:fixed;inset:0;background:rgba(12,20,28,.42);z-index:80;animation:fade .2s}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:81;background:var(--card);
  border-radius:22px 22px 0 0;padding:10px 18px calc(22px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 30px rgba(0,0,0,.16);animation:up .26s cubic-bezier(.22,.8,.3,1);
}
@keyframes up{from{transform:translateY(100%)}to{transform:none}}
.sheet-handle{width:38px;height:4px;border-radius:99px;background:var(--line-strong);margin:0 auto 12px}
.sheet-title{font-size:16px;font-weight:700;margin-bottom:10px}
.sheet-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.sheet-row b{display:block;font-size:14.5px;font-weight:600}
.sheet-row em{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.switch{position:relative;width:46px;height:28px;flex:0 0 46px}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch i{
  position:absolute;inset:0;border-radius:99px;background:var(--line-strong);transition:background .2s;
  pointer-events:none;
}
.switch i::after{
  content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;
  transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + i{background:var(--brand-2)}
.switch input:checked + i::after{transform:translateX(18px)}
.sheet-danger{
  width:100%;height:46px;margin-top:16px;border-radius:13px;background:var(--warn-soft);color:var(--warn);
  font-size:14.5px;font-weight:600;
}
.sheet-foot{font-size:11.5px;color:var(--muted);margin-top:12px;text-align:center;line-height:1.6}

/* 字号分段选择 */
.seg{display:flex;background:var(--bg);border-radius:10px;padding:3px;gap:2px;flex:0 0 auto}
.seg button{
  min-width:40px;height:28px;border-radius:8px;font-size:12.5px;color:var(--text-2);
}
.seg button.on{background:var(--card);color:var(--brand);font-weight:600;box-shadow:0 1px 3px rgba(16,32,48,.1)}

.toast{
  position:fixed;left:50%;bottom:calc(var(--tabbar-h) + 28px);transform:translate(-50%,10px);
  background:rgba(20,30,40,.9);color:#fff;font-size:13px;padding:9px 16px;border-radius:99px;
  opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:90;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ 大屏适配 ============ */
@media (min-width:720px){
  .view,#view-list{max-width:720px;margin:0 auto}
  .topbar{max-width:none}
  .topbar-title{font-size:18px}
  .card{padding:24px 24px 22px}
  .tabbar{max-width:720px;left:50%;transform:translateX(-50%);border-radius:18px 18px 0 0;border:1px solid var(--line);border-bottom:0}
}