:root{
  --blue:#185FA5; --blue-dark:#0C447C; --blue-50:#EEF4FB; --blue-100:#DCE9F7;
  --ink:#1F2937; --muted:#5B6B7C; --line:#E2E8F0; --bg-soft:#F5F8FC;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-size:15px;line-height:1.65}
img{max-width:100%}
a{color:var(--blue)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:76px}

/* ============ buttons & badges ============ */
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-ghost:hover{background:var(--blue-50)}
.btn-sm{padding:7px 14px;font-size:13px}
.btn-danger{border-color:#E24B4A;color:#A32D2D;background:transparent}
.btn-danger:hover{background:#FCEBEB}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-new{background:#FAEEDA;color:#854F0B}
.badge-read{background:#E6F1FB;color:#185FA5}
.badge-rep{background:#EAF3DE;color:#3B6D11}
.badge-clo{background:#F1EFE8;color:#5F5E5A}

.flash{margin:14px 0;padding:12px 16px;border-radius:8px;font-size:14px}
.flash-ok{background:#EAF3DE;border:1px solid #C0DD97;color:#27500A}
.flash-err{background:#FCEBEB;border:1px solid #F7C1C1;color:#791F1F}

/* ============ site header ============ */
body.site header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font-size:19px;font-weight:700;color:var(--blue-dark);letter-spacing:1px;text-decoration:none;line-height:1.1}
.logo small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:2px}
body.site nav a{color:var(--ink);text-decoration:none;font-size:14px;margin-left:24px;padding-bottom:4px}
body.site nav a:hover,body.site nav a.on{color:var(--blue);border-bottom:2px solid var(--blue)}

/* ============ site sections ============ */
.hero{background:var(--blue-50);padding:68px 0 54px}
.kicker{font-size:13px;font-weight:600;color:var(--blue);letter-spacing:.5px;margin-bottom:12px}
.hero h1{font-size:34px;line-height:1.28;font-weight:700;color:var(--blue-dark);max-width:840px}
.hero p{margin:18px 0 26px;font-size:16.5px;color:var(--muted);max-width:720px}
.trust{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px;font-size:13.5px;color:var(--muted)}
.trust span{position:relative;padding-left:16px}
.trust span::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:var(--blue)}

.sec{padding:60px 0}
.sec-alt{background:var(--bg-soft)}
h2.sec-t{font-size:26px;font-weight:700;color:var(--blue-dark);margin-bottom:8px}
.lead{color:var(--muted);max-width:780px;margin-bottom:30px;font-size:15.5px}
h3{font-size:16px;font-weight:600;margin-bottom:6px}
.num{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:1px;margin-bottom:6px}

.cards2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{border:1px solid var(--line);border-radius:14px;padding:26px;background:#fff;display:flex;flex-direction:column}
.pcard .tag{display:inline-block;background:var(--blue-100);color:var(--blue-dark);font-size:12px;font-weight:600;border-radius:999px;padding:3px 12px;margin-bottom:12px;align-self:flex-start}
.pcard h3{font-size:17px;color:var(--blue-dark)}
.pcard p{color:var(--muted);font-size:14px;margin:8px 0 16px;flex:1}
.pcard a{color:var(--blue);font-size:14px;font-weight:600;text-decoration:none}
.ph{background:var(--blue-50);border:1px solid var(--blue-100);border-radius:10px;height:120px;display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:700;font-size:15px;margin-bottom:16px;letter-spacing:.5px}

.feat{border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.feat h3{font-size:14.5px;color:var(--blue-dark)}
.feat p{font-size:13.5px;color:var(--muted);margin-top:4px}

table.data{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.data th{background:var(--blue-50);color:var(--blue-dark);text-align:left;font-weight:600;padding:11px 14px;border-bottom:1px solid var(--line)}
table.data td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.data tr:last-child td{border-bottom:none}
.tnote{font-size:13px;color:var(--muted);margin-top:12px}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.chip{background:var(--blue-50);border:1px solid var(--blue-100);color:var(--blue-dark);border-radius:999px;padding:5px 14px;font-size:13px}

details.faq{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
details.faq summary{padding:13px 18px;font-weight:600;font-size:14.5px;cursor:pointer;color:var(--blue-dark);list-style:none}
details.faq summary::before{content:"+";color:var(--blue);font-weight:700;margin-right:10px}
details.faq[open] summary::before{content:"−"}
details.faq p{padding:0 18px 14px 40px;font-size:14px;color:var(--muted)}

.case{background:var(--blue-50);border-left:4px solid var(--blue);border-radius:8px;padding:20px 26px;margin-top:26px}
.case b{color:var(--blue-dark)}
.case p{color:var(--muted);font-size:14px;margin-top:6px}
.about-p{max-width:800px;margin-bottom:16px;color:var(--ink)}

.cta-band{text-align:center;padding:14px 0 6px}

/* ============ contact form ============ */
.contact-band{background:var(--blue-dark);color:#fff;padding:60px 0}
.contact-band h2{color:#fff;font-size:26px;font-weight:700;margin-bottom:8px}
.contact-band .lead{color:#C9DCEF}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:780px}
.form input,.form select,.form textarea{width:100%;padding:11px 13px;border-radius:8px;border:1px solid #B9CFE8;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
.form .full{grid-column:1/-1}
.form .btn{justify-self:start;margin-top:4px}
.fnote{font-size:12.5px;color:#9FBEDF;margin-top:14px;max-width:780px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}

/* ============ site footer ============ */
body.site footer{background:#fff;border-top:1px solid var(--line);padding:28px 0 38px;font-size:13px;color:var(--muted)}
body.site footer .kw{margin-top:8px;font-size:12px;color:#8895A5}
body.site footer a{color:var(--muted)}

/* ============ 404 ============ */
.nf{padding:90px 0;text-align:center}
.nf h1{font-size:60px;color:var(--blue-100)}

/* ============================================================ */
/* ============================ ADMIN ========================= */
/* ============================================================ */
body.admin{background:var(--bg-soft)}
.ashell{display:flex;min-height:100vh}
.aside{width:212px;flex-shrink:0;background:var(--blue-dark);color:#C9DCEF;padding:18px 0;display:flex;flex-direction:column}
.abrand{font-size:16px;font-weight:700;color:#fff;padding:6px 20px 16px;letter-spacing:1px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:10px}
.aside a,.aside button.linklike{display:block;padding:10px 20px;color:#C9DCEF;text-decoration:none;font-size:14px;background:none;border:none;text-align:left;cursor:pointer;font-family:inherit;font-size:14px}
.aside a:hover,.aside button.linklike:hover{background:rgba(255,255,255,.08);color:#fff}
.aside a.on{background:var(--blue);color:#fff;font-weight:600}
.aside .spacer{flex:1}
.amain{flex:1;padding:26px 30px;min-width:0}
.amain h1{font-size:21px;color:var(--blue-dark);margin-bottom:18px;font-weight:700}
.warn{background:#FCEBEB;border:1px solid #F7C1C1;color:#791F1F;padding:10px 14px;border-radius:8px;font-size:13.5px;margin-bottom:14px}

.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.stat .v{font-size:26px;font-weight:700;color:var(--blue-dark)}
.stat .k{font-size:13px;color:var(--muted);margin-top:2px}
.stat.alert .v{color:#A32D2D}

.acard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}
.acard h2{font-size:15px;color:var(--blue-dark);margin-bottom:12px;font-weight:600}
.rowflex{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

table.atable{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
table.atable th{background:var(--blue-50);color:var(--blue-dark);text-align:left;font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.atable td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.atable tr:hover td{background:#FAFCFF}
.mut{color:var(--muted);font-size:12.5px}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tabs a{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;text-decoration:none}
.tabs a.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}

.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--blue-dark);margin-bottom:5px}
.field input[type=text],.field input[type=email],.field input[type=password],.field input[type=number],.field input[type=url],.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid #C9D3DE;border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
.field textarea{min-height:90px;resize:vertical}
.field .hint{font-size:12px;color:#8895A5;margin-top:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.chk{display:flex;align-items:center;gap:8px;font-size:14px;margin:6px 0 14px}
.chk input{width:16px;height:16px}

.dl{display:grid;grid-template-columns:130px 1fr;gap:8px 14px;font-size:14px}
.dl dt{color:var(--muted)}
.dl dd{color:var(--ink);word-break:break-word}
.msgbox{background:var(--bg-soft);border:1px solid var(--line);border-radius:8px;padding:14px;white-space:pre-wrap;font-size:13.5px}

/* ============ login ============ */
.loginpage{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--blue-50)}
.loginbox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;width:380px}
.loginbox h1{font-size:19px;color:var(--blue-dark);margin-bottom:4px}
.loginbox .sub{font-size:13px;color:var(--muted);margin-bottom:18px}

/* ============ responsive ============ */
@media (max-width:860px){
  .cards2,.cards3,.form,.grid2,.statgrid{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .ashell{flex-direction:column}
  .aside{width:100%;flex-direction:row;flex-wrap:wrap;padding:8px}
  .abrand{width:100%;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:8px;margin-bottom:4px}
  .aside a,.aside button.linklike{padding:8px 12px}
  .aside .spacer{display:none}
  .amain{padding:18px}
}