/* ===========================================================================
   QnASKer · 主样式
   设计语言：玻璃卡片 + 发丝分割线 + 顶部光晕 + 细网格底纹（整体蓝色调）
   变量 --brand / --line / --glow 等由 PHP 按主题内联注入
   ======================================================================== */

:root{
  --brand:#2563eb;
  --brand-deep:#1a49c4;
  --tint:#eff4ff;
  --line:rgba(37,99,235,.20);
  --line-2:rgba(37,99,235,.44);
  --glow:rgba(147,197,253,.45);
  --soft:rgba(37,99,235,.07);

  --ink:#131c2e;
  --ink-2:#46536a;
  --muted:#8593a8;
  --bg:#f8fbff;
  --glass:rgba(255,255,255,.55);
  --glass-solid:rgba(255,255,255,.86);
  --glass-edge:rgba(255,255,255,.8);
  --grid:rgba(37,99,235,.045);

  --ok:#0f9d58;
  --ok-soft:rgba(15,157,88,.10);
  --warn:#d97706;
  --warn-soft:rgba(217,119,6,.12);
  --danger:#dc2626;
  --danger-soft:rgba(220,38,38,.10);

  --ease:cubic-bezier(.22,.7,.24,1);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --shadow:0 14px 30px -26px rgba(20,50,130,.7);
  --radius:14px;
  --blur:blur(16px) saturate(150%);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  font-size:14.5px;
  line-height:1.65;
  background-color:var(--bg);
  background-image:
    radial-gradient(760px 380px at 50% -180px, var(--glow), rgba(255,255,255,0) 70%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:auto,30px 30px,30px 30px;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none;}
a.tlink{color:var(--brand);}
a.tlink:hover{border-bottom:1px solid var(--line-2);}
button{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px;}
p{margin:0 0 10px;}
img{max-width:100%;}
code,.kbd,.mono{font-family:var(--mono);}
.small{font-size:12.5px;}
.muted{color:var(--muted);}
.center{text-align:center;}
.nowrap{white-space:nowrap;}
.mt0{margin-top:0!important;}
.mt8{margin-top:8px;}
.mt16{margin-top:16px;}
.mt24{margin-top:24px;}
.mb0{margin-bottom:0!important;}
.mb8{margin-bottom:8px;}
.mb16{margin-bottom:16px;}
.flex{display:flex;gap:10px;align-items:center;}
.flex-wrap{flex-wrap:wrap;}
.spacer{flex:1;}
.hide{display:none!important;}
svg.ico-14{width:14px;height:14px;}
svg.ico-16{width:16px;height:16px;}
svg.ico-18{width:18px;height:18px;}
svg.ico-22{width:22px;height:22px;}

/* ------------------------------ 容器 ------------------------------ */
.wrap{max-width:900px;margin:0 auto;padding:0 20px;}
.wrap-wide{max-width:1180px;margin:0 auto;padding:0 22px;}
main.wrap{padding-bottom:56px;}
section{padding:32px 0 0;scroll-margin-top:80px;}

/* ------------------------------ 卡片 ------------------------------ */
.card{
  background:var(--glass);
  -webkit-backdrop-filter:var(--blur);
  backdrop-filter:var(--blur);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:inset 0 1px 0 var(--glass-edge), var(--shadow);
  overflow:hidden;
}
.card-pad{padding:16px 18px;}
.card-head{
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-bottom:1px solid var(--line);
}
.card-head h3{font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:8px;}
.card-head svg{width:17px;height:17px;color:var(--brand);}
.card-head .right{margin-left:auto;display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);}
.card-foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.line{
  display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  padding:13px 16px;border-top:1px solid var(--line);transition:background .25s var(--ease);
}
.line:first-child{border-top:0;}
.line:hover{background:rgba(255,255,255,.55);}
.line .lab{font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--brand);white-space:nowrap;}
.line .body{min-width:0;}
.line .t{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;font-weight:600;}
.line .s{display:block;margin:4px 0 0;font-family:var(--mono);font-size:11px;color:var(--muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.line-main{display:grid;gap:2px;min-width:0;}
@media (max-width:620px){
  .line{grid-template-columns:auto 1fr;row-gap:10px;}
  .line > .line-acts{grid-column:1 / -1;display:flex;gap:8px;}
  .line > .line-acts .btn{flex:1;}
}

/* ------------------------------ 按钮 ------------------------------ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  font-size:13.5px;padding:10px 17px;border-radius:9px;background:#fff;
  border:1px solid var(--line-2);color:var(--brand);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),
    transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:15px;height:15px;}
.btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px);
  box-shadow:0 12px 22px -16px rgba(30,60,150,.95);}
.btn:active{transform:none;background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn.primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn.ghost:hover{background:#fff;color:var(--brand);border-color:var(--line-2);transform:none;box-shadow:none;}
.btn.danger{color:var(--danger);border-color:rgba(220,38,38,.35);}
.btn.danger:hover{background:var(--danger);border-color:var(--danger);color:#fff;}
.btn.sm{font-size:12.5px;padding:8px 13px;border-radius:9px;}
.btn.sm svg{width:14px;height:14px;}
.btn.lg{font-size:14.5px;padding:13px 24px;border-radius:12px;}
.btn.lg svg{width:17px;height:17px;}
.btn.block{width:100%;}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:10px;
}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;}

/* ------------------------------ 徽章 ------------------------------ */
.badge{
  display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:600;
  padding:2px 8px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);color:var(--ink-2);white-space:nowrap;
}
.badge svg{width:12px;height:12px;}
.badge-brand{color:var(--brand);border-color:var(--line-2);background:var(--tint);}
.badge-ok{color:var(--ok);border-color:rgba(15,157,88,.3);background:var(--ok-soft);}
.badge-warn{color:var(--warn);border-color:rgba(217,119,6,.3);background:var(--warn-soft);}
.badge-danger{color:var(--danger);border-color:rgba(220,38,38,.3);background:var(--danger-soft);}
.badge-muted{color:var(--muted);}

/* ------------------------------ 顶栏 ------------------------------ */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:50;pointer-events:none;}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--glow));transform:scaleX(0);transform-origin:0 50%;}
header.top{
  position:sticky;top:0;z-index:30;
  background:rgba(248,251,255,.84);
  -webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
header.top.pinned{background:rgba(248,251,255,.94);box-shadow:0 10px 26px -22px rgba(20,50,130,.7);}
.top-in{display:flex;align-items:center;gap:14px;height:64px;}
.brand{display:flex;align-items:center;gap:9px;flex:none;}
.brand svg{width:23px;height:23px;color:var(--brand);transition:transform .6s var(--ease);}
.brand:hover svg{transform:rotate(12deg);}
.brand b{font-size:15.5px;font-weight:700;letter-spacing:.3px;}
.nav{margin-left:auto;display:flex;gap:22px;}
.nav a{position:relative;font-size:13.5px;color:var(--ink-2);padding:3px 0;}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--brand);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .3s var(--ease);}
.nav a:hover,.nav a.on{color:var(--brand);}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1);}
.top-cta{margin-left:auto;flex:none;display:flex;align-items:center;gap:8px;}
.top-cta .nav + &,.nav + .top-cta{margin-left:18px;}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;cursor:pointer;
  border:1px solid var(--line);border-radius:10px;background:#fff;}
.burger svg{width:18px;height:18px;color:var(--brand);}
@media (max-width:860px){
  .nav{display:none;}
  .burger{display:inline-flex;margin-left:auto;}
  .top-cta{margin-left:auto;}
  .top-cta .u-name{display:none;}
}
@media (max-width:520px){
  .top-cta .btn span{display:none;}
}

/* 用户菜单 */
.umenu{position:relative;}
.umenu-btn{display:flex;align-items:center;gap:7px;cursor:pointer;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:5px 11px 5px 5px;transition:border-color .2s var(--ease);}
.umenu-btn:hover{border-color:var(--line-2);}
.umenu-btn svg{width:14px;height:14px;color:var(--muted);}
.avatar{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:12.5px;font-weight:700;
  background:var(--tint);color:var(--brand);border:1px solid var(--line);}
.u-name{font-size:13px;max-width:9em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.umenu-panel{
  position:absolute;right:0;top:calc(100% + 8px);min-width:196px;padding:8px;z-index:40;
  background:var(--glass-solid);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 46px -30px rgba(20,50,130,.7);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.umenu.on .umenu-panel{opacity:1;visibility:visible;transform:none;}
.umenu-panel a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;font-size:13.5px;}
.umenu-panel a:hover{background:var(--soft);color:var(--brand);}
.umenu-panel a svg{width:16px;height:16px;color:var(--brand);}
.um-head{padding:8px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:6px;}
.um-head b{display:block;font-size:13.5px;}
.um-head span{font-family:var(--mono);font-size:11px;color:var(--muted);}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:45;visibility:hidden;opacity:0;
  background:rgba(19,28,46,.24);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:opacity .28s var(--ease),visibility .28s;}
.drawer.in{opacity:1;visibility:visible;}
.drawer-panel{margin:14px;padding:14px;border-radius:18px;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(20px) saturate(160%);backdrop-filter:blur(20px) saturate(160%);
  border:1px solid var(--line);box-shadow:0 24px 50px -30px rgba(20,50,130,.6);
  transform:translateY(-12px);transition:transform .38s var(--ease);}
.drawer.in .drawer-panel{transform:none;}
.dw-head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 12px;border-bottom:1px solid var(--line);margin-bottom:6px;}
.brand-mini{display:flex;align-items:center;gap:8px;font-size:14.5px;}
.brand-mini svg{width:20px;height:20px;color:var(--brand);}
.dw-x{border:0;background:transparent;cursor:pointer;padding:4px;}
.dw-x svg{width:18px;height:18px;color:var(--muted);}
.drawer-panel > a{display:flex;align-items:center;gap:10px;padding:13px 8px;font-size:14.5px;border-bottom:1px solid var(--line);}
.drawer-panel > a svg{width:18px;height:18px;color:var(--brand);}
.drawer-panel > a.btn{border-bottom:0;margin-top:10px;}

/* ------------------------------ 首页 ------------------------------ */
.hero{padding:30px 0 4px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:26px;}}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;color:var(--brand);text-transform:uppercase;}
h1{font-size:clamp(27px,6.4vw,37px);line-height:1.16;margin:12px 0 10px;}
.hero h1 .hl{color:var(--brand);}
.desc{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2);max-width:32em;}
.hero-acts{display:flex;gap:12px;margin:24px 0 0;flex-wrap:wrap;}
.vercard .head{padding:16px 18px 12px;}
.vercard .head .k{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--brand);}
.vercard .head .k i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
.vercard .head h3{margin:10px 0 4px;font-size:19px;}
.vercard .head .sub{margin:0;font-size:13px;color:var(--muted);}

.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:13px;}
.sec-head .idx{font-family:var(--mono);font-size:11.5px;color:var(--brand);letter-spacing:1px;}
.sec-head h2{font-size:17px;font-weight:700;letter-spacing:.3px;}
.sec-head .rule{flex:1;height:1px;background:var(--line);}
.sec-head .hint{font-family:var(--mono);font-size:11px;color:var(--muted);}

.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}
.grid3 .cell{padding:18px;border-left:1px solid var(--line);transition:background .25s var(--ease);}
.grid3 .cell:first-child{border-left:0;}
.grid3 .cell:hover{background:rgba(255,255,255,.6);}
.grid3 .cell svg.ico{width:22px;height:22px;color:var(--brand);transition:transform .5s var(--ease);}
.grid3 .cell:hover svg.ico{transform:rotate(9deg);}
.grid3 .cell h3{margin:12px 0 6px;font-size:14.5px;font-weight:600;}
.grid3 .cell p{margin:0;font-size:13px;line-height:1.85;color:var(--muted);}
@media (max-width:760px){
  .grid3 .cell{border-left:0;border-top:1px solid var(--line);}
  .grid3 .cell:first-child{border-top:0;}
}
.type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;}
.type-cell{display:block;padding:18px;border-left:1px solid var(--line);transition:background .25s var(--ease);}
.type-cell:first-child{border-left:0;}
.type-cell:hover{background:rgba(255,255,255,.6);}
.type-cell .tc-top{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;}
.type-cell .tc-top svg{width:19px;height:19px;color:var(--brand);}
.type-cell p{margin:8px 0 0;font-size:12.5px;color:var(--muted);line-height:1.8;}
.type-cell .tc-tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap;}
@media (max-width:760px){
  .type-cell{border-left:0;border-top:1px solid var(--line);}
  .type-cell:first-child{border-top:0;}
}
.notice-card{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 18px;margin-top:26px;align-items:start;}
.notice-card > svg{width:22px;height:22px;color:var(--brand);margin-top:2px;}
.notice-card b{font-size:13.5px;}
.notice-card p{margin:4px 0 0;font-size:13px;color:var(--ink-2);line-height:1.8;}

/* 下拉操作菜单 */
.dd{position:relative;}
.dd > summary{list-style:none;cursor:pointer;}
.dd > summary::-webkit-details-marker{display:none;}
.dd[open] > summary{border-color:var(--brand);color:var(--brand);}
.dd-panel{position:absolute;right:0;top:calc(100% + 6px);z-index:35;min-width:176px;padding:6px;
  background:var(--glass-solid);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--line);border-radius:12px;box-shadow:0 24px 46px -30px rgba(20,50,130,.7);}
.dd-panel a,.dd-panel button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;border-radius:8px;
  font-size:13px;background:transparent;border:0;cursor:pointer;text-align:left;color:var(--ink-2);}
.dd-panel a:hover,.dd-panel button:hover{background:var(--soft);color:var(--brand);}
.dd-panel a.danger,.dd-panel button.danger{color:var(--danger);}
.dd-panel a.danger:hover,.dd-panel button.danger:hover{background:var(--danger-soft);}
.dd-panel svg{width:15px;height:15px;flex:none;}
.dd-panel form{margin:0;}
.dd-sep{height:1px;background:var(--line);margin:5px 0;}

/* 主题色选择 */
.theme-picker{display:flex;gap:8px;flex-wrap:wrap;}
.theme-dot{position:relative;cursor:pointer;width:30px;height:30px;border-radius:50%;border:2px solid rgba(255,255,255,.9);
  box-shadow:0 0 0 1px var(--line);transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.theme-dot:hover{transform:scale(1.08);}
.theme-dot input{position:absolute;opacity:0;width:0;height:0;}
.theme-dot.on,.theme-dot:has(input:checked){box-shadow:0 0 0 2px var(--brand);}

/* 测验等级 */
.grade-row{display:grid;grid-template-columns:90px 1fr 1.4fr auto;gap:8px;align-items:center;margin-bottom:8px;}
@media (max-width:700px){.grade-row{grid-template-columns:80px 1fr;}}

/* 答卷详情 */
.ans-item{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:15px 18px;border-top:1px solid var(--line);}
.ans-item:first-child{border-top:0;}
.ans-item .an-q{font-family:var(--mono);font-size:11px;color:var(--brand);letter-spacing:1px;padding-top:3px;}
.ans-item .an-title{font-size:14px;font-weight:600;margin-bottom:8px;}
.ans-item .an-val{font-size:14px;line-height:1.8;word-break:break-word;}
.ans-empty{color:var(--muted);font-style:italic;}

/* ------------------------------ 表单控件 ------------------------------ */
.input,select.input,textarea.input{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:rgba(255,255,255,.86);border:1px solid var(--line);
  border-radius:11px;padding:11px 13px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:#a9b4c6;}
.input:hover{border-color:var(--line-2);}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--soft);}
textarea.input{resize:vertical;line-height:1.75;}
select.input{appearance:none;-webkit-appearance:none;padding-right:34px;cursor:pointer;}
.select-wrap{position:relative;}
.select-wrap::after{content:"";position:absolute;right:14px;top:50%;width:7px;height:7px;border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none;}
.input-sm{font-size:13px;padding:8px 10px;border-radius:9px;}
.field{display:grid;gap:6px;margin-bottom:14px;}
.field > label{font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;}
.field .fx{font-size:12px;color:var(--muted);font-weight:400;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.form-grid .field-full{grid-column:1 / -1;}
@media (max-width:700px){.form-grid{grid-template-columns:1fr;}}
.switch{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:13.5px;user-select:none;}
.switch input{position:absolute;opacity:0;width:0;height:0;}
.switch i{width:40px;height:22px;border-radius:999px;background:rgba(133,147,168,.32);position:relative;transition:background .22s var(--ease);flex:none;}
.switch i::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;
  box-shadow:0 1px 3px rgba(20,40,90,.3);transition:transform .22s var(--ease);}
.switch input:checked + i{background:var(--brand);}
.switch input:checked + i::after{transform:translateX(18px);}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line);}
.switch-row:first-of-type{border-top:0;}
.switch-row .sw-txt b{display:block;font-size:13.5px;font-weight:600;}
.switch-row .sw-txt span{font-size:12px;color:var(--muted);}
.form-note{font-size:12px;color:var(--muted);line-height:1.7;}

/* 选项卡 */
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:0 4px;}
.tab{padding:11px 14px;font-size:13.5px;color:var(--ink-2);cursor:pointer;border-bottom:2px solid transparent;
  background:transparent;border-top:0;border-left:0;border-right:0;}
.tab:hover{color:var(--brand);}
.tab.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}
.tab-panel{display:none;}
.tab-panel.on{display:block;}

/* ------------------------------ 问卷填写 ------------------------------ */
.fill-shell{max-width:760px;margin:0 auto;}
.survey-head{padding:20px 22px 16px;}
.survey-head .sh-type{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--brand);}
.survey-head .sh-type svg{width:14px;height:14px;flex:none;}
.survey-head h1{font-size:clamp(22px,4.6vw,29px);margin:12px 0 10px;line-height:1.3;}
.survey-head .sh-intro{font-size:14px;color:var(--ink-2);line-height:1.9;white-space:pre-wrap;}
.sh-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px;font-family:var(--mono);font-size:11px;color:var(--muted);}
.sh-meta b{color:var(--brand);font-weight:600;}

.fill-progress{padding:10px 22px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;}
.fill-progress .fp-bar{flex:1;height:5px;border-radius:99px;background:var(--soft);overflow:hidden;}
.fill-progress .fp-bar i{display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--brand),var(--glow));transition:width .35s var(--ease);}
.fill-progress .fp-txt{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap;}

.q-block{padding:16px 20px;border-top:1px solid var(--line);}
.q-block:first-child{border-top:0;}
.q-head{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;}
.q-idx{font-family:var(--mono);font-size:11.5px;color:var(--brand);letter-spacing:1px;padding-top:4px;min-width:1.6em;}
.q-title{font-size:15px;font-weight:600;line-height:1.6;}
.q-title .req{color:var(--danger);font-style:normal;margin-left:4px;}
.q-hint{margin:5px 0 0;font-size:12.5px;color:var(--muted);line-height:1.75;}
.q-type{font-family:var(--mono);font-size:10.5px;color:var(--muted);border:1px solid var(--line);
  border-radius:99px;padding:2px 8px;white-space:nowrap;}
.q-body{margin-top:14px;}
.q-err{margin:10px 0 0;font-size:12.5px;color:var(--danger);display:flex;align-items:center;gap:6px;}
.q-tip{margin:9px 0 0;font-size:12px;color:var(--muted);}
.q-block.invalid{border-left:3px solid var(--danger);background:rgba(220,38,38,.035);}
/* fill page: cleaner, no question-type label */
body.page-fill .q-type{display:none;}
body.page-fill .q-head{grid-template-columns:auto 1fr;}
body.page-fill .q-block{padding:15px 20px;}
@media (max-width:620px){
  .q-head{grid-template-columns:auto 1fr;}
  .q-type{grid-column:2;}
  .q-block,.survey-head,.fill-progress{padding-left:16px;padding-right:16px;}
}

/* 选项 */
.opts{display:grid;gap:9px;}
.opts.cols-2{grid-template-columns:1fr 1fr;}
.opts.cols-3{grid-template-columns:repeat(3,1fr);}
@media (max-width:640px){.opts.cols-2,.opts.cols-3{grid-template-columns:1fr;}}
.opt{
  display:flex;align-items:center;gap:11px;cursor:pointer;position:relative;
  padding:12px 14px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.72);
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.opt:hover{border-color:var(--line-2);transform:translateY(-1px);}
.opt input{position:absolute;opacity:0;width:0;height:0;}
.opt-mark{width:19px;height:19px;flex:none;border:1.6px solid var(--line-2);background:#fff;position:relative;transition:all .2s var(--ease);}
input[type="radio"] + .opt-mark{border-radius:50%;}
input[type="checkbox"] + .opt-mark{border-radius:6px;}
.opt-mark::after{content:"";position:absolute;inset:0;margin:auto;opacity:0;transition:opacity .2s var(--ease);}
input[type="radio"] + .opt-mark::after{width:9px;height:9px;border-radius:50%;background:var(--brand);}
input[type="checkbox"] + .opt-mark::after{width:10px;height:10px;border-radius:2px;background:var(--brand);}
.opt input:checked + .opt-mark{border-color:var(--brand);background:var(--tint);}
.opt input:checked + .opt-mark::after{opacity:1;}
.opt input:focus-visible + .opt-mark{outline:2px solid var(--brand);outline-offset:2px;}
.opt.on,.opt:has(input:checked){border-color:var(--brand);background:var(--tint);}
.opt-text{font-size:14px;line-height:1.6;}
.opts-image{grid-template-columns:repeat(2,1fr);}
@media (max-width:640px){.opts-image{grid-template-columns:1fr;}}
.opts-image .opt{flex-direction:column;align-items:stretch;gap:10px;padding:10px;}
.opt-img{width:100%;height:132px;object-fit:cover;border-radius:8px;background:var(--tint);}
.opts-image .opt .opt-mark{position:absolute;right:12px;top:12px;}

/* 评分 */
.rating{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.rating .star{cursor:pointer;padding:2px;}
.rating .star input{position:absolute;opacity:0;width:0;height:0;}
.rating .star-ico svg{width:26px;height:26px;color:rgba(133,147,168,.5);transition:color .18s var(--ease),transform .18s var(--ease);}
.rating .star:hover .star-ico svg{transform:scale(1.08);}
.rating .star.on .star-ico svg{color:#f59e0b;}
.rating-txt{margin-left:8px;font-family:var(--mono);font-size:12px;color:var(--muted);}

/* 量表 */
.scale-row{display:flex;gap:6px;flex-wrap:wrap;}
.scale-btn{position:relative;cursor:pointer;min-width:42px;text-align:center;padding:10px 8px;border:1px solid var(--line);
  border-radius:10px;background:rgba(255,255,255,.72);font-family:var(--mono);font-size:13px;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);}
.scale-btn input{position:absolute;opacity:0;width:0;height:0;}
.scale-btn:hover{border-color:var(--line-2);transform:translateY(-1px);}
.scale-btn.on,.scale-btn:has(input:checked){border-color:var(--brand);background:var(--brand);color:#fff;box-shadow:0 10px 20px -16px rgba(30,60,150,.95);}
.scale-labels{display:flex;justify-content:space-between;gap:14px;margin-top:8px;font-size:11.5px;color:var(--muted);}
@media (max-width:520px){.scale-btn{min-width:34px;padding:9px 5px;font-size:12px;}}

/* 滑块 */
.slider-wrap{display:grid;gap:10px;}
.slider-out{font-family:var(--mono);font-size:15px;color:var(--brand);font-weight:600;}
input.slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:var(--soft);outline:none;}
input.slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--brand);
  border:3px solid #fff;box-shadow:0 2px 8px rgba(30,60,150,.45);cursor:pointer;}
input.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--brand);border:3px solid #fff;cursor:pointer;}

/* 矩阵 */
.matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.6);}
table.matrix{width:100%;border-collapse:collapse;font-size:13px;min-width:420px;}
table.matrix th,table.matrix td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:center;}
table.matrix thead th{font-size:12px;font-weight:600;color:var(--ink-2);background:rgba(255,255,255,.7);}
table.matrix th.mx-row{text-align:left;font-weight:500;font-size:13px;color:var(--ink);min-width:120px;}
table.matrix tr:last-child th,table.matrix tr:last-child td{border-bottom:0;}
.mx-cell{display:inline-flex;cursor:pointer;position:relative;}
.mx-cell input{position:absolute;opacity:0;width:0;height:0;}
.mx-cell span{width:19px;height:19px;border-radius:50%;border:1.6px solid var(--line-2);background:#fff;position:relative;transition:all .2s var(--ease);}
.mx-cell span::after{content:"";position:absolute;inset:0;margin:auto;width:9px;height:9px;border-radius:50%;background:var(--brand);opacity:0;transition:opacity .2s var(--ease);}
.mx-cell input:checked + span{border-color:var(--brand);background:var(--tint);}
.mx-cell input:checked + span::after{opacity:1;}

/* 上传 */
.upload-box{display:flex;align-items:center;gap:10px;cursor:pointer;padding:16px;border:1.6px dashed var(--line-2);
  border-radius:12px;background:rgba(255,255,255,.6);transition:background .2s var(--ease),border-color .2s var(--ease);}
.upload-box:hover{background:var(--tint);border-color:var(--brand);}
.upload-box svg{width:20px;height:20px;color:var(--brand);flex:none;}
.upload-box .up-txt{font-size:13px;color:var(--ink-2);}
.upload-box input{display:none;}
.upload-name{font-family:var(--mono);font-size:12px;color:var(--brand);}

/* 提交区 */
.fill-foot{padding:15px 20px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
@media (max-width:620px){.fill-foot{padding:16px;}.fill-foot .btn{flex:1;}}
.page-dots{display:flex;gap:6px;margin-left:auto;}
.page-dots i{width:7px;height:7px;border-radius:50%;background:var(--line-2);display:block;}
.page-dots i.on{background:var(--brand);transform:scale(1.25);}

/* 结果页 */
.result-hero{padding:34px 24px;text-align:center;}
.result-hero .rh-ico{width:52px;height:52px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;
  background:var(--tint);border:1px solid var(--line);}
.result-hero .rh-ico svg{width:26px;height:26px;color:var(--brand);}
.result-hero h1{font-size:24px;margin-bottom:8px;}
.score-ring{display:grid;place-items:center;gap:6px;margin:18px auto;}
.score-ring b{font-family:var(--mono);font-size:40px;color:var(--brand);line-height:1;}
.score-ring span{font-size:12px;color:var(--muted);}
.grade-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:99px;background:var(--tint);
  border:1px solid var(--line-2);color:var(--brand);font-weight:600;font-size:14px;}

/* ------------------------------ 问卷卡片列表 ------------------------------ */
.surv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px;}
.surv-card{display:flex;flex-direction:column;background:var(--glass);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:inset 0 1px 0 var(--glass-edge),var(--shadow);
  padding:18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);}
.surv-card:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:0 22px 40px -30px rgba(20,50,130,.9);}
.sc-top{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap;}
.sc-title{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:8px;display:block;}
.sc-title:hover{color:var(--brand);}
.sc-intro{font-size:13px;color:var(--ink-2);line-height:1.8;margin:0 0 14px;min-height:2.6em;}
.sc-meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-family:var(--mono);
  font-size:11px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);}
.sc-foot{display:flex;gap:8px;margin-top:12px;}
.sc-foot .btn{flex:1;}

/* ------------------------------ 统计 ------------------------------ */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;}
.stat-card{display:grid;grid-template-columns:auto 1fr;gap:13px;align-items:center;padding:14px 16px;}
.stat-card .st-ico{width:40px;height:40px;border-radius:12px;background:var(--tint);border:1px solid var(--line);
  display:grid;place-items:center;}
.stat-card .st-ico svg{width:20px;height:20px;color:var(--brand);}
.st-label{font-size:12px;color:var(--muted);}
.st-value{display:block;font-family:var(--mono);font-size:22px;font-weight:600;letter-spacing:-.5px;line-height:1.3;}
.st-sub{font-size:11.5px;color:var(--muted);}
.bar-row{padding:11px 0;border-top:1px solid var(--line);}
.bar-row:first-of-type{border-top:0;}
.bar-top{display:flex;align-items:baseline;gap:10px;font-size:13px;}
.bar-lab{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.bar-num{font-family:var(--mono);font-size:11.5px;color:var(--muted);white-space:nowrap;}
.bar{height:7px;border-radius:99px;background:var(--soft);margin-top:7px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--glow));transition:width .8s var(--ease);}
.qstat-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line);}
.qstat-head .qn{font-family:var(--mono);font-size:11px;color:var(--brand);letter-spacing:1px;}
.qstat-head h3{font-size:14.5px;font-weight:600;flex:1;min-width:0;}
.qstat-body{padding:14px 16px;}
.kv-row{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.kv-row b{font-family:var(--mono);color:var(--brand);font-weight:600;}
.text-item{padding:11px 0;border-top:1px solid var(--line);font-size:13.5px;line-height:1.8;word-break:break-word;}
.text-item:first-child{border-top:0;}
.text-item .ti-meta{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:4px;}
.dist-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(64px,1fr));gap:8px;}
.dist-cell{border:1px solid var(--line);border-radius:10px;padding:9px;text-align:center;background:rgba(255,255,255,.6);}
.dist-cell b{display:block;font-family:var(--mono);font-size:13px;}
.dist-cell span{font-size:11px;color:var(--muted);}

/* ------------------------------ 表格 ------------------------------ */
.table-wrap{overflow-x:auto;}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px;}
table.tbl th{
  text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.6px;color:var(--muted);
  font-weight:500;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(255,255,255,.5);
}
table.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle;}
table.tbl tbody tr{transition:background .2s var(--ease);}
table.tbl tbody tr:hover{background:rgba(255,255,255,.55);}
table.tbl tbody tr:last-child td{border-bottom:0;}
table.tbl .num{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);}
table.tbl .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;}
table.tbl td.right,table.tbl th.right{text-align:right;}
.tbl-empty{padding:34px;text-align:center;color:var(--muted);font-size:13.5px;}

/* 分页 */
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:14px 18px;border-top:1px solid var(--line);}
.pg-btn{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:32px;padding:0 10px;
  border:1px solid var(--line);border-radius:9px;font-size:12.5px;background:#fff;color:var(--ink-2);transition:all .2s var(--ease);}
.pg-btn:hover{border-color:var(--brand);color:var(--brand);}
.pg-btn.cur{background:var(--brand);border-color:var(--brand);color:#fff;}
.pg-btn.disabled{opacity:.45;pointer-events:none;}
.pg-info{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--muted);}

/* ------------------------------ 空态 / toast / 回顶 ------------------------------ */
.empty{padding:44px 22px;text-align:center;}
.empty svg.em-ico{width:34px;height:34px;color:var(--line-2);margin:0 auto 12px;}
.empty h3{font-size:16px;margin-bottom:6px;}
.empty p{font-size:13px;color:var(--muted);max-width:34em;margin:0 auto 16px;line-height:1.8;}
.toast-wrap{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:70;display:grid;gap:8px;width:min(92vw,420px);}
.toast{background:rgba(19,28,46,.93);color:#fff;font-size:13px;padding:11px 16px;border-radius:11px;
  box-shadow:0 18px 34px -24px rgba(10,20,50,.9);animation:toast-in .32s var(--ease);backdrop-filter:blur(8px);}
.toast-ok{background:rgba(15,110,70,.94);}
.toast-warn{background:rgba(160,95,10,.94);}
.toast-err{background:rgba(170,30,30,.94);}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.totop{position:fixed;right:18px;bottom:24px;z-index:35;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;border:1px solid var(--line-2);background:rgba(255,255,255,.8);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s,transform .25s var(--ease);}
.totop svg{width:18px;height:18px;color:var(--brand);}
.totop.on{opacity:1;visibility:visible;}
.totop:hover{transform:translateY(-2px);}
body:has(.beian) .totop{bottom:60px;}

/* ------------------------------ 页脚 ------------------------------ */
footer{margin-top:40px;padding:22px 0 26px;border-top:1px solid var(--line);}
.foot{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.foot .fbrand{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;font-size:14px;}
.foot .fbrand svg{width:20px;height:20px;color:var(--brand);}
.foot .fdesc{margin:8px 0 0;max-width:38em;line-height:1.8;}
.foot-links{display:flex;gap:18px;}
.foot-links a:hover{color:var(--brand);}
.copy{margin:14px 0 0;font-size:11.5px;color:var(--muted);}
.fstudio{margin:8px 0 0;font-size:12px;color:var(--muted);}
.fstudio b{color:var(--ink-2);font-weight:600;}
.copy a:hover{color:var(--brand);}
.beian{
  position:fixed;left:0;right:0;bottom:0;z-index:34;
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  font-size:11.5px;color:var(--muted);font-family:var(--mono);
  background:rgba(248,251,255,.88);
  -webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);
  border-top:1px solid var(--line);
}
.beian a:hover{color:var(--brand);}
.beian .sep{opacity:.5;}
@media (max-width:560px){.beian .hide-sm{display:none;}}
body:has(.beian){padding-bottom:46px;}

/* ------------------------------ 登录 / 注册 ------------------------------ */
.auth-wrap{max-width:440px;margin:0 auto;}
.auth-card{padding:28px 24px;}
.auth-card h1{font-size:22px;margin:10px 0 6px;}
.auth-card .auth-sub{font-size:13px;color:var(--muted);margin-bottom:20px;}
.auth-foot{margin-top:16px;font-size:13px;color:var(--muted);text-align:center;}
.auth-foot a{color:var(--brand);}
.auth-side{padding:20px 24px;border-top:1px solid var(--line);}
.auth-bullets{display:grid;gap:8px;margin:0;padding:0;list-style:none;font-size:13px;color:var(--ink-2);}
.auth-bullets li{display:flex;align-items:center;gap:8px;}
.auth-bullets svg{width:15px;height:15px;color:var(--brand);flex:none;}

/* ------------------------------ 编辑器 ------------------------------ */
.ed-shell{display:grid;grid-template-columns:1fr 320px;gap:18px;align-items:start;}
@media (max-width:960px){.ed-shell{grid-template-columns:1fr;}}
.ed-list{display:grid;gap:12px;}
.ed-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.62);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.ed-item.on{border-color:var(--line-2);box-shadow:0 14px 30px -26px rgba(20,50,130,.8);}
.ed-item.dragging{opacity:.45;}
.ed-head{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);}
.ed-drag{cursor:grab;color:var(--muted);display:grid;place-items:center;padding:2px;}
.ed-drag svg{width:16px;height:16px;}
.ed-drag:active{cursor:grabbing;}
.ed-title{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;min-width:0;}
.ed-title .ed-txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ed-title .ed-qn{font-family:var(--mono);font-size:11px;color:var(--brand);}
.ed-tools{display:flex;gap:4px;align-items:center;}
.icon-btn{width:30px;height:30px;display:grid;place-items:center;border:1px solid transparent;border-radius:8px;
  background:transparent;cursor:pointer;color:var(--muted);transition:all .18s var(--ease);}
.icon-btn:hover{background:var(--soft);color:var(--brand);border-color:var(--line);}
.icon-btn.danger:hover{color:var(--danger);background:var(--danger-soft);border-color:rgba(220,38,38,.25);}
.icon-btn svg{width:15px;height:15px;}
.ed-body{padding:14px;display:none;}
.ed-item.on .ed-body{display:block;}
.ed-opts{display:grid;gap:8px;margin-top:10px;}
.ed-opt{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center;}
.ed-opt .drag-mini{color:var(--muted);cursor:grab;}
.ed-opt .drag-mini svg{width:14px;height:14px;}
.ed-opt .score-in{width:64px;}
.qt-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px;}
.qt-btn{display:grid;gap:6px;justify-items:center;padding:12px 8px;border:1px solid var(--line);border-radius:11px;
  background:rgba(255,255,255,.7);cursor:pointer;font-size:12px;color:var(--ink-2);transition:all .2s var(--ease);}
.qt-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);background:var(--tint);}
.qt-btn svg{width:19px;height:19px;color:var(--brand);}
.ed-side{position:sticky;top:80px;display:grid;gap:14px;}
@media (max-width:960px){.ed-side{position:static;}}
.side-block{padding:16px 18px;}
.side-block h4{font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.side-block h4 svg{width:16px;height:16px;color:var(--brand);}
.preview-box{padding:18px;border-top:1px solid var(--line);background:rgba(255,255,255,.4);}
.ed-toast{position:fixed;right:20px;bottom:26px;z-index:60;}

/* ------------------------------ 后台 ------------------------------ */
.admin-body{background-image:
  radial-gradient(700px 340px at 20% -140px, var(--glow), rgba(255,255,255,0) 72%),
  linear-gradient(var(--grid) 1px, transparent 1px),
  linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:auto,30px 30px,30px 30px;}
@media (max-width:860px){.admin-top .burger{display:inline-flex;}}
.admin-shell{display:grid;grid-template-columns:216px 1fr;gap:22px;padding-top:22px;align-items:start;}
@media (max-width:900px){.admin-shell{grid-template-columns:1fr;}}
.side{position:sticky;top:82px;display:grid;gap:3px;padding:12px;
  background:var(--glass);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:inset 0 1px 0 var(--glass-edge),var(--shadow);}
@media (max-width:900px){.side{display:none;}}
.side-head{padding:6px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:6px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:1.2px;color:var(--muted);text-transform:uppercase;}
.side-link{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:10px;font-size:13.5px;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);}
.side-link svg{width:17px;height:17px;color:var(--muted);transition:color .2s var(--ease);}
.side-link:hover{background:rgba(255,255,255,.7);color:var(--brand);}
.side-link:hover svg{color:var(--brand);}
.side-link.on{background:var(--tint);color:var(--brand);font-weight:600;border:1px solid var(--line);}
.side-link.on svg{color:var(--brand);}
.side-foot{display:flex;justify-content:space-between;gap:8px;padding:12px 10px 4px;margin-top:6px;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:10.5px;color:var(--muted);}
.admin-main{display:grid;gap:16px;min-width:0;padding-bottom:60px;}
.page-head{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;}
.page-head h1{font-size:21px;letter-spacing:-.3px;}
.page-desc{margin:6px 0 0;font-size:13px;color:var(--muted);}
.page-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);}
.filters .input{width:auto;min-width:140px;}
.filters .grow{flex:1;min-width:180px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:12.5px;background:#fff;color:var(--ink-2);transition:all .2s var(--ease);}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff;}
.user-cell{display:flex;align-items:center;gap:10px;}
.user-cell .u-sub{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);}
.mini-bar{height:6px;border-radius:99px;background:var(--soft);overflow:hidden;min-width:80px;}
.mini-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--glow));}
.log-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;padding:12px 18px;border-top:1px solid var(--line);font-size:13px;}
.log-row:first-child{border-top:0;}
.log-time{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap;}
.log-act{font-family:var(--mono);font-size:11.5px;color:var(--brand);}

/* 趋势柱状图 */
.trend{display:flex;gap:5px;align-items:flex-end;height:142px;padding:18px 18px 6px;}
.trend-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;height:100%;}
.trend-col i{width:100%;border-radius:7px 7px 3px 3px;background:linear-gradient(180deg,var(--brand),var(--glow));
  min-height:3px;transition:height .9s var(--ease),opacity .2s var(--ease);}
.trend-col:hover i{opacity:.75;}
.trend-col b{font-family:var(--mono);font-size:10.5px;color:var(--ink-2);line-height:1;}
.trend-col span{font-family:var(--mono);font-size:9.5px;color:var(--muted);white-space:nowrap;}
.trend-foot{display:flex;justify-content:space-between;gap:10px;padding:0 18px 14px;font-family:var(--mono);font-size:11px;color:var(--muted);}
.sys-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;}
.sys-cell{padding:15px 18px;border-left:1px solid var(--line);border-top:1px solid var(--line);}
.sys-cell:nth-child(3n+1){border-left:0;}
.sys-cell .k{font-family:var(--mono);font-size:11px;color:var(--muted);}
.sys-cell .v{font-size:14px;font-weight:600;margin-top:4px;word-break:break-all;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;}
.dot-ok{background:var(--ok);}
.dot-warn{background:var(--warn);}
.dot-bad{background:var(--danger);}
.code-block{font-family:var(--mono);font-size:12px;background:rgba(19,28,46,.94);color:#d7e3ff;padding:14px 16px;
  border-radius:11px;overflow-x:auto;line-height:1.7;}
.share-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.share-input{flex:1;min-width:180px;font-family:var(--mono);font-size:12px;}



/* ------------------------------ 动画 ------------------------------ */
.rise{opacity:0;transform:translateY(10px);animation:rise .6s var(--ease) forwards;animation-delay:var(--d,0ms);}
@keyframes rise{to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  .rise{animation:none;opacity:1;transform:none;}
  *{transition-duration:.01ms!important;}
}

/* 打印 */
@media print{
  header.top,footer,.beian,.totop,.toast-wrap,.fill-foot,.btn,.progress{display:none!important;}
  body{background:#fff;}
  .card{box-shadow:none;border-color:#ccc;}
}

/* ===========================================================================
   Share visual card (canvas preview + actions)
   ======================================================================== */
.share-visual{display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px;margin-top:14px;
  border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.55);}
.share-visual canvas{display:block;width:100%;max-width:340px;height:auto;border-radius:12px;background:#fff;
  border:1px solid var(--line);box-shadow:0 16px 34px -26px rgba(20,50,130,.9);}
.share-visual .qr-acts{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;}
.share-visual .qr-tip{font-size:12px;color:var(--muted);text-align:center;margin:0;}

/* ===========================================================================
   Mobile refinements (<= 640px)
   ======================================================================== */
@media (max-width:640px){
  .wrap,.wrap-wide{padding:0 15px;}
  body{font-size:14px;}
  h1{font-size:22px;}
  .desc{font-size:14px;}
  section{padding:24px 0 0;}
  .card{border-radius:12px;}
  .card-pad{padding:14px;}
  .card-head{padding:11px 14px;}
  .card-foot{padding:11px 14px;}
  .line{padding:12px 14px;gap:10px;}
  .sec-head{margin-bottom:11px;gap:9px;}
  .sec-head h2{font-size:15.5px;}
  .sec-head .hint{display:none;}
  .hero{padding:22px 0 0;}
  .hero-grid{gap:18px;}
  .hero h1{font-size:clamp(24px,7.2vw,30px);}
  .hero-acts{gap:10px;margin-top:18px;}
  .vercard .head{padding:14px 15px 11px;}
  .vercard .head h3{font-size:17px;}
  .q-block{padding:14px 15px;}
  .q-title{font-size:14.5px;}
  .q-head{gap:10px;}
  .survey-head{padding:18px 16px 14px;}
  .survey-head h1{font-size:21px;}
  .fill-progress{padding:10px 16px;}
  .fill-foot{padding:14px 15px;gap:10px;}
  .fill-foot .btn{flex:1;min-width:44%;}
  .stat-card{padding:12px 14px;}
  .stats-row{grid-template-columns:1fr 1fr;gap:10px;}
  .surv-grid{grid-template-columns:1fr;gap:12px;}
  .type-grid,.grid3{grid-template-columns:1fr;}
  .filters{padding:12px 14px;gap:7px;}
  .filters .input,.filters .grow{width:100%;min-width:0;}
  .filters .btn{flex:1;}
  .page-head h1{font-size:19px;}
  .page-actions{width:100%;}
  .admin-shell{padding-top:14px;gap:14px;}
  .ed-shell{gap:14px;}
  .ed-opt{grid-template-columns:auto 1fr auto;row-gap:7px;}
  .ed-opt .score-in{width:100%;}
  .qt-picker{grid-template-columns:1fr 1fr;}
  .trend{height:118px;gap:3px;padding:14px 12px 4px;}
  .trend-col span{font-size:8px;}
  .trend-col b{font-size:9px;}
  .share-row .input{min-width:0;}
  .share-visual{padding:12px;}
  .share-visual canvas{max-width:265px;}
  .foot{gap:14px;}
  .foot-links{gap:14px;}
  .drawer-panel{margin:10px;padding:12px;}
  .code-block{font-size:11px;}
  .kv-row{gap:10px;}
  .opt{padding:11px 13px;}
  .opt-img{height:118px;}
  .scale-btn{min-width:32px;padding:8px 4px;font-size:11.5px;}
  .matrix th,.matrix td{padding:8px 9px;font-size:12px;}
  body.page-fill .q-block{padding:13px 14px;}
  .modal-card{padding:18px;}
  .pager{padding:12px 14px;gap:5px;}
  .pg-info{width:100%;text-align:right;}
  .qstat-head,.qstat-body,.ans-item{padding:12px 14px;}
  .table-wrap{-webkit-overflow-scrolling:touch;}
}

/* iOS：输入框字号不小于 16px，避免聚焦时页面被放大 */
@media (max-width:640px){
  .input,select.input,textarea.input,.input-sm{font-size:16px;}
}

/* 触摸设备：加大可点区域 */
@media (hover:none){
  .btn{padding:11px 18px;}
  .btn.sm{padding:9px 14px;}
  .side-link,.drawer-panel > a{padding:13px 12px;}
  .opt{padding:13px 14px;}
  .scale-btn{padding:11px 8px;}
  .icon-btn{width:34px;height:34px;}
}

/* 超小屏 */
@media (max-width:400px){
  .wrap,.wrap-wide{padding:0 12px;}
  .stats-row{grid-template-columns:1fr;}
  .fill-foot .btn{flex:1 0 100%;}
  .hero-acts .btn{width:100%;}
  .qt-picker{grid-template-columns:1fr;}
  .share-visual canvas{max-width:230px;}
}
/* ===========================================================================
   Split layouts (replaces inline grid-template; responsive by default)
   ======================================================================== */
.split-half{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start;}
.split-side{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start;}
@media (max-width:820px){.split-half{grid-template-columns:1fr;}}
@media (max-width:960px){.split-side{grid-template-columns:1fr;}}

/* ===========================================================================
   Small-screen fixes for admin topbar / dashboard / trend chart
   ======================================================================== */
@media (max-width:640px){
  .admin-top .top-in{gap:10px;}
  .admin-top .brand span{display:none;}
  .admin-top .top-cta{gap:7px;}
  .admin-top .top-cta .btn span{display:none;}
  .admin-top .top-cta .btn{padding:9px 11px;}
  .log-row{grid-template-columns:1fr;gap:3px;padding:11px 14px;}
  .log-row .log-time{order:-1;}
  .trend{height:98px;padding:12px 12px 0;}
  .trend-col span{display:none;}
  .trend-col b{font-size:9px;}
  .trend-foot{padding:4px 12px 12px;}
  .scale-row{gap:4px;}
  .scale-btn{min-width:28px;padding:9px 3px;font-size:11.5px;}
  .sys-cell{padding:12px 13px;}
  .sys-cell:nth-child(3n+1){border-left:1px solid var(--line);}
  .sys-cell:nth-child(odd){border-left:0;}
  .sys-grid{grid-template-columns:1fr;}
  .qstat-head{padding:11px 13px;}
  .qstat-body{padding:12px 13px;}
  .ans-item{padding:12px 13px;}
}

/* keep stat cards in two columns even on very small screens */
@media (max-width:400px){
  .stats-row{grid-template-columns:1fr 1fr;}
}