:root{
  --navy:#0b2b4a;
  --navy-2:#123a63;
  --cyan:#12a5c9;
  --cyan-soft:#e6f7fb;
  --ink:#16303f;
  --muted:#6b8194;
  --line:#dbe6ee;
  --bg:#f4f8fb;
  --card:#ffffff;
  --ok:#12805c;
  --ok-soft:#e4f6ee;
  --warn:#b06a00;
  --warn-soft:#fdf3e0;
  --err:#c02b3a;
  --err-soft:#fdecee;
  --radius:14px;
  --shadow:0 1px 2px rgba(11,43,74,.06),0 8px 24px rgba(11,43,74,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  -webkit-text-size-adjust:100%;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:var(--navy-2);text-decoration:none}
a:hover{text-decoration:underline}
.small{font-size:13px}
.muted{color:var(--muted)}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:720px}
.center{text-align:center}
.right{text-align:right}
h1,h2,h3{line-height:1.3;margin:0 0 8px}
h1{font-size:22px}
h2{font-size:18px}
h3{font-size:16px}
.mt0{margin-top:0}.mt1{margin-top:8px}.mt2{margin-top:16px}.mt3{margin-top:24px}
.mb1{margin-bottom:8px}.mb2{margin-bottom:16px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.spread{flex:1}

/* ---------- 顶部 ---------- */
.topbar{background:var(--navy);color:#fff;padding:12px 0;box-shadow:0 1px 0 rgba(0,0,0,.1)}
.topbar a{color:#fff}
.topbar .brand{font-weight:700;letter-spacing:.5px;font-size:17px}
.topbar .brand span{color:#7fd8ee}
.topnav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.topnav a{opacity:.85;padding:4px 0;border-bottom:2px solid transparent}
.topnav a.on,.topnav a:hover{opacity:1;border-bottom-color:var(--cyan);text-decoration:none}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.card.tight{padding:14px}
.page{padding:20px 0 40px;flex:1}

/* ---------- 表单 ---------- */
label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
.req:after{content:" *";color:var(--err)}
input[type=text],input[type=tel],input[type=password],input[type=date],input[type=number],select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;
  background:#fff;color:var(--ink);font-family:inherit;appearance:none;
}
textarea{min-height:76px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-soft)}
.hint{font-size:12.5px;color:var(--muted);margin-top:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}
.check{display:flex;gap:9px;align-items:flex-start;margin-top:14px;font-size:13.5px;font-weight:400}
.check input{width:18px;height:18px;margin-top:2px;flex:0 0 auto}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

.btn{display:inline-block;padding:11px 18px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;background:var(--navy);color:#fff;text-align:center;
  -webkit-tap-highlight-color:transparent}
.btn:hover{background:var(--navy-2);text-decoration:none}
.btn.block{display:block;width:100%}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.ghost:hover{background:var(--cyan-soft);border-color:var(--cyan)}
.btn.sm{padding:7px 12px;font-size:13.5px;border-radius:8px}
.btn.danger{background:var(--err)}
.btn.cyan{background:var(--cyan)}

/* ---------- 徽章 ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12.5px;font-weight:600;
  background:var(--cyan-soft);color:var(--navy-2);white-space:nowrap}
.badge.gray{background:#eef2f5;color:var(--muted)}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}
.st-todo{background:#eef2f5;color:var(--muted)}
.st-doing{background:var(--warn-soft);color:var(--warn)}
.st-done{background:var(--ok-soft);color:var(--ok)}

/* ---------- 进度条 ---------- */
.bar{height:8px;border-radius:20px;background:#e8eef3;overflow:hidden}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--navy-2));border-radius:20px}
.bar.sm{height:6px}
.pctline{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:5px}

/* ---------- 统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat b{display:block;font-size:26px;line-height:1.2;color:var(--navy)}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12.5px;color:var(--muted);font-weight:600;background:#fafcfe;white-space:nowrap}
tbody tr:hover{background:#fafdff}
td.nowrap,th.nowrap{white-space:nowrap}

/* ---------- 阶段时间线 ---------- */
.stages{list-style:none;padding:0;margin:0}
.stage{position:relative;padding:0 0 16px 26px;border-left:2px solid var(--line)}
.stage:last-child{border-left-color:transparent;padding-bottom:0}
.stage:before{content:"";position:absolute;left:-8px;top:5px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid var(--line)}
.stage.done:before{background:var(--ok);border-color:var(--ok)}
.stage.doing:before{background:var(--warn);border-color:var(--warn)}
.stage .head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.stage .nm{font-weight:600}
.stage .meta{font-size:12.5px;color:var(--muted)}
.stage form{margin-top:8px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.stage select,.stage input[type=date]{width:auto;min-width:110px;padding:7px 9px;font-size:13.5px}
.stage input[type=text]{flex:1;min-width:160px;padding:7px 9px;font-size:13.5px}

/* ---------- 其他 ---------- */
.kv{display:grid;grid-template-columns:96px 1fr;gap:6px 12px;font-size:14px}
.kv dt{color:var(--muted);font-size:13px}
.kv dd{margin:0}
.hero{background:linear-gradient(160deg,var(--navy),#0f4a72 60%,#0b6b86);color:#fff;padding:34px 0 30px;border-radius:0}
.hero h1{font-size:26px;margin-bottom:10px}
.hero p{opacity:.9;margin:0 0 18px;font-size:15px}
.hero .btn{background:#fff;color:var(--navy);margin-right:10px;margin-bottom:8px}
.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.12)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.steps{grid-template-columns:1fr}}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.step-card .n{width:26px;height:26px;border-radius:50%;background:var(--cyan-soft);color:var(--navy-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-bottom:8px}
.toasts{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:99;width:calc(100% - 32px);max-width:520px}
.toast{padding:11px 14px;border-radius:10px;margin-bottom:8px;font-size:14px;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}
.toast-ok{background:var(--ok-soft);border-color:#bfe6d5;color:var(--ok)}
.toast-error{background:var(--err-soft);border-color:#f4c7cd;color:var(--err)}
.toast-warn{background:var(--warn-soft);border-color:#f0dcb4;color:var(--warn)}
.site-footer{margin-top:auto;padding:22px 16px;text-align:center;color:var(--muted);font-size:12.5px;
  border-top:1px solid var(--line);background:#fff}
.filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:10px;align-items:end}
@media(max-width:760px){.filters{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.filters{grid-template-columns:1fr}}
.filters label{margin-top:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.linkbox{background:#f7fbfd;border:1px dashed var(--line);border-radius:10px;padding:10px 12px;font-size:13px;
  word-break:break-all;font-family:ui-monospace,Menlo,Consolas,monospace}
.qr{width:170px;height:170px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.course-block{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:#fff}
.course-block .t{font-weight:600}
.stage-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}