/* ========== 报名表单跳转系统 ========== */
:root{
  --navy-900:#050f26; --navy-800:#0a1c44; --navy-700:#0f2a5e; --navy-600:#143a7c;
  --blue:#1c5fd0; --gold:#c8a45c; --gold-light:#e3c98f;
  --ink:#1c2b45; --muted:#6b7a94; --line:#e3e9f2; --bg:#f4f7fc; --bg-alt:#eef3fa;
  --red:#c0392b; --green:#1a8a5a;
  --shadow:0 10px 34px rgba(10,28,68,.10);
  --shadow-sm:0 4px 14px rgba(10,28,68,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:15px}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
h1,h2,h3,h4{font-weight:700}

/* ========== 导航 ========== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(5,15,38,.92);backdrop-filter:blur(10px);box-shadow:0 2px 18px rgba(0,0,0,.25)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-mark{color:var(--gold);font-size:18px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:2px;display:flex;flex-direction:column;line-height:1.1}
.brand-text small{font-size:9px;letter-spacing:2px;color:rgba(255,255,255,.55);font-weight:400}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{color:rgba(255,255,255,.82);padding:9px 18px;font-size:15px;border-radius:4px}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* ========== Hero Banner ========== */
.hero{position:relative;height:56vh;min-height:420px;max-height:620px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,10,28,.92) 0%,rgba(4,12,32,.78) 42%,rgba(5,15,38,.30) 78%,rgba(5,15,38,.12) 100%)}
.hero-inner{position:relative;padding:0 24px}
.hero-eyebrow{color:var(--gold-light);letter-spacing:5px;font-size:14px;margin-bottom:14px}
.hero-title{color:#fff;font-size:52px;font-weight:800;letter-spacing:6px;line-height:1.25;font-family:Georgia,"Songti SC","SimSun",serif;text-shadow:0 4px 24px rgba(0,0,0,.4)}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;margin-top:18px;max-width:680px;letter-spacing:1px}

/* ========== 表单 ========== */
.form-section{padding:0 0 70px;margin-top:-58px;position:relative;z-index:2}
.form-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:40px 46px;border:1px solid var(--line)}
.form-card-head{text-align:center;margin-bottom:30px}
.form-card-head h2{font-size:26px;color:var(--navy-800);letter-spacing:2px}
.form-card-head p{color:var(--muted);font-size:14px;margin-top:8px}
.form-err{margin-bottom:20px}
.select-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px}
.select-field{display:flex;flex-direction:column;gap:10px}
.select-field>span{font-size:15px;font-weight:700;color:var(--navy-800)}
.select-field>span i{display:inline-flex;width:22px;height:22px;border-radius:50%;background:var(--navy-700);color:#fff;font-style:normal;font-size:12px;align-items:center;justify-content:center;margin-right:6px;font-family:Georgia,serif}
.select-field select{width:100%;padding:15px 16px;border:1.5px solid #cfd8e6;border-radius:10px;font-size:15.5px;font-family:inherit;color:var(--ink);background:#fbfcfe;cursor:pointer;transition:.2s;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%230f2a5e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:42px}
.select-field select:focus{outline:none;border-color:var(--blue);background-color:#fff;box-shadow:0 0 0 4px rgba(28,95,208,.12)}
.select-field select:disabled{background-color:#f0f3f8;color:var(--muted);cursor:not-allowed}
.btn-submit{display:block;width:100%;margin-top:32px;padding:18px;border:none;border-radius:10px;cursor:pointer;
  background:linear-gradient(135deg,var(--gold),#b08a44);color:#fff;font-size:19px;font-weight:800;letter-spacing:6px;
  font-family:inherit;box-shadow:0 10px 26px rgba(176,138,68,.35);transition:.2s}
.btn-submit:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 32px rgba(176,138,68,.45)}
.btn-submit .arrow{font-size:20px;margin-left:8px}
.form-foot-tip{text-align:center;color:var(--muted);font-size:13px;margin-top:14px}

/* 使用说明 */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.how-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.how-no{display:block;font-family:Georgia,serif;font-size:30px;font-weight:800;color:var(--gold);margin-bottom:10px}
.how-item p{color:var(--muted);font-size:14.5px}
.how-item b{color:var(--navy-800)}

/* ========== 提示页 ========== */
.msg-section{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:130px 24px 70px}
.msg-card{max-width:560px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:50px 44px;text-align:center}
.msg-ic{font-size:56px;color:var(--gold);font-family:Georgia,serif;font-weight:800;margin-bottom:16px}
.msg-card h1{font-size:24px;color:var(--navy-800);margin-bottom:14px}
.msg-card p{color:var(--muted);margin-bottom:10px}
.msg-contact{background:var(--bg-alt);border-radius:10px;padding:16px;margin:22px 0;font-size:14.5px}
.btn-line-big{display:inline-block;margin-top:14px;padding:13px 40px;border:1.5px solid var(--navy-700);color:var(--navy-700);border-radius:8px;font-weight:700}
.btn-line-big:hover{background:var(--navy-800);color:#fff}

/* ========== 页脚 ========== */
.footer{background:var(--navy-900);color:rgba(255,255,255,.72);padding:56px 0 22px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{color:#fff;font-size:18px;font-weight:800;letter-spacing:1px;margin-bottom:14px}
.footer h4{color:var(--gold-light);font-size:15px;margin-bottom:12px;letter-spacing:1px}
.footer p{font-size:13.5px;margin-bottom:7px;color:rgba(255,255,255,.62)}
.footer-note{max-width:380px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.45)}
.footer-admin{color:rgba(255,255,255,.45)}
.footer-admin:hover{color:var(--gold-light)}

/* ========== Flash ========== */
.flash-wrap{max-width:1080px;margin:86px auto 0;padding:0 24px}
.flash{padding:13px 20px;border-radius:8px;margin-bottom:12px;font-size:14.5px}
.flash.ok{background:#e7f6ee;color:#176b47;border:1px solid #b7e2c9}
.flash.error{background:#fbe9e7;color:#9c2b20;border:1px solid #f0c2bc}

/* ================================================================== */
/* ============================== 后台 ============================== */
/* ================================================================== */
.admin-body{background:var(--bg)}
.admin-layout{display:flex;min-height:100vh}
.admin-side{width:230px;background:linear-gradient(180deg,var(--navy-900),var(--navy-800));color:#fff;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.admin-logo{padding:26px 22px;font-size:17px;font-weight:800;letter-spacing:1px;border-bottom:1px solid rgba(255,255,255,.1);color:var(--gold-light)}
.admin-side nav{flex:1;padding:14px 0}
.admin-side a{display:block;padding:12px 22px;color:rgba(255,255,255,.72);font-size:14.5px}
.admin-side a:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-side a.on{background:rgba(200,164,92,.18);color:var(--gold-light);border-left:3px solid var(--gold);padding-left:19px}
.side-group{color:rgba(255,255,255,.35);font-size:11px;letter-spacing:2px;padding:16px 22px 6px}
.side-home{padding:16px 22px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px;color:rgba(255,255,255,.6)}
.side-home:hover{color:var(--gold-light)}
.admin-main{flex:1;padding:34px 40px;min-width:0}
.page-title{font-size:26px;color:var(--navy-800);margin-bottom:6px}
.page-sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.admin-main .flash{border-radius:8px}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:26px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 18px;text-align:center;box-shadow:var(--shadow-sm);transition:.2s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-num{font-size:40px;font-weight:800;color:var(--navy-700);font-family:Georgia,serif;line-height:1}
.stat-card.gold .stat-num{color:#a8813c}
.stat-label{color:var(--muted);font-size:14px;margin-top:10px}

.admin-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 28px;margin-bottom:22px;box-shadow:var(--shadow-sm)}
.admin-box h3{font-size:17px;color:var(--navy-800);margin-bottom:18px}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.data-table th{background:var(--navy-800);color:#fff;padding:11px 13px;text-align:left;font-weight:600;white-space:nowrap}
.data-table td{padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:middle}
.data-table tbody tr:hover{background:#f2f7ff}
.nowrap{white-space:nowrap}
.url-cell{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.url-cell a{color:var(--blue)}
.empty-tip{text-align:center;color:var(--muted);padding:30px 10px}
.ops{white-space:nowrap}
.op{font-size:13.5px;color:var(--blue);margin-right:10px;cursor:pointer}
.op.danger{color:var(--red)}
.inline{display:inline}
.linklike{background:none;border:none;padding:0;font:inherit;cursor:pointer;color:var(--blue)}
.linklike.danger{color:var(--red)}

.btn-mini{display:inline-block;padding:9px 18px;border:1px solid #cfd8e6;border-radius:7px;background:#fff;color:var(--ink);font-size:14px;cursor:pointer;font-family:inherit;transition:.2s;text-decoration:none}
.btn-mini:hover{border-color:var(--navy-700);color:var(--navy-700)}
.btn-mini.primary{background:var(--navy-700);color:#fff;border-color:var(--navy-700)}
.btn-mini.primary:hover{background:var(--navy-600)}

.inline-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.inline-form input[type=text],.inline-form select{padding:10px 14px;border:1px solid #cfd8e6;border-radius:7px;font-size:14.5px;font-family:inherit;min-width:220px}
.filter-bar{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.filter-bar select{padding:9px 14px;border:1px solid #cfd8e6;border-radius:7px;font-size:14px;min-width:200px}
.form-hint{color:var(--muted);font-size:13px;margin-top:12px;line-height:1.8}
.form-hint b{color:var(--navy-700)}

.af-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px;margin-bottom:20px}
.afield{display:flex;flex-direction:column;gap:7px;font-size:14px}
.afield.wide{grid-column:1/-1}
.afield span{font-weight:600}
.afield input,.afield select{padding:11px 14px;border:1px solid #cfd8e6;border-radius:7px;font-size:14.5px;font-family:inherit;width:100%}
.rule-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px 20px;margin-bottom:18px}
.rule-grid .wide{grid-column:1/-1}

.banner-preview{width:100%;aspect-ratio:16/7;background-size:cover;background-position:center;border-radius:10px;border:1px solid var(--line);margin-bottom:16px;background-color:var(--navy-900)}
.upload-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.reset-banner{margin-top:6px}
.batch-head{font-size:13px;color:var(--muted);margin:10px 0 6px;letter-spacing:2px}
textarea{width:100%;padding:12px 14px;border:1px solid #cfd8e6;border-radius:8px;font-size:13.5px;font-family:Menlo,Consolas,monospace;resize:vertical;line-height:1.8}
.mono{font-family:Menlo,Consolas,monospace}

.search-input{padding:10px 14px;border:1px solid #cfd8e6;border-radius:7px;font-size:14.5px;min-width:280px;flex:1;max-width:520px}
.search-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(28,95,208,.12)}
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;white-space:nowrap}
.tag-std{background:#e8f0fe;color:#1a4fa0}
.tag-custom{background:#f7ecd7;color:#8a6420}
.region-table-scroll{max-height:66vh;overflow:auto}
.region-table-scroll thead th{position:sticky;top:0;z-index:2}

/* ========== 响应式（手机） ========== */
@media (max-width:900px){
  .nav-links{position:absolute;top:68px;left:0;right:0;background:rgba(5,15,38,.97);flex-direction:column;align-items:stretch;padding:10px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 18px}
  .nav-toggle{display:block}
  .hero{height:46vh;min-height:340px}
  .hero-title{font-size:34px;letter-spacing:3px}
  .hero-sub{font-size:15.5px}
  .form-section{margin-top:-44px;padding-bottom:50px}
  .form-card{padding:28px 22px;border-radius:14px}
  .form-card-head h2{font-size:22px}
  .select-row{grid-template-columns:1fr;gap:18px}
  .how{grid-template-columns:1fr;gap:14px;margin-top:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
  .admin-side{display:none}
  .admin-main{padding:22px 16px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .af-grid,.rule-grid{grid-template-columns:1fr}
  .inline-form input[type=text],.inline-form select{min-width:0;width:100%}
  .search-input{min-width:0;max-width:none}
  .filter-bar{flex-direction:column;align-items:stretch}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero-title{font-size:28px}
  .btn-submit{font-size:17px;letter-spacing:3px;padding:16px}
  .stat-grid{grid-template-columns:1fr}
  .msg-card{padding:38px 24px}
}