:root{
  --green:#1aa35a; --teal:#0e7490; --ink:#1f2a30; --muted:#5d6b72;
  --line:#e4e9ec; --bg:#ffffff; --bg-alt:#f4f8f6; --brand:#157a4f;
  --shadow:0 6px 22px rgba(20,60,50,.08);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{width:20px;height:20px;vertical-align:middle}
.container{width:min(1160px,92vw);margin:0 auto}
.muted{color:var(--muted)}
.center{text-align:center;margin-top:26px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:10px;
  font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.18s}
.btn-lg{padding:13px 26px;font-size:15px}
.btn-solid{background:linear-gradient(135deg,var(--green),var(--teal));color:#fff}
.btn-solid:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--green);color:var(--brand)}
.btn-outline:hover{background:var(--bg-alt)}
.btn-ghost{background:transparent;color:var(--ink);padding:8px 14px}
.btn-ghost:hover{color:var(--brand)}

/* 头部 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand)}
.brand-name{letter-spacing:.5px}
.main-nav{display:flex;gap:22px;margin-left:8px}
.main-nav a{color:var(--muted);font-weight:600;font-size:15px;padding:6px 0;position:relative}
.main-nav a:hover{color:var(--brand)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hello{font-size:14px;color:var(--muted);margin-right:4px}

/* 主体 */
.site-main{min-height:60vh}
.hero{background:linear-gradient(135deg,#e8f6ef,#e3f1f7);padding:64px 0 56px}
.hero-text{max-width:720px}
.hero h1{font-size:40px;color:var(--brand);letter-spacing:.5px;line-height:1.2}
.hero-sub{font-size:19px;color:var(--teal);font-weight:700;margin-top:10px}
.hero-desc{margin-top:16px;color:var(--muted);font-size:15.5px;max-width:640px}
.hero-cta{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}

.section{padding:54px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:26px;color:var(--ink);text-align:center}
.section-sub{text-align:center;color:var(--muted);margin-top:8px;margin-bottom:30px;font-size:15px}

/* 类目 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  display:flex;flex-direction:column;gap:7px;transition:.18s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-3px);border-color:var(--green)}
.cat-ico{color:var(--green);background:var(--bg-alt);width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center}
.cat-ico svg{width:24px;height:24px}
.cat-name{font-weight:700;font-size:16px;margin-top:4px}
.cat-desc{font-size:13px;color:var(--muted);flex:1}
.cat-count{font-size:12px;color:var(--teal);font-weight:600}

/* 信息卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.18s;box-shadow:var(--shadow);display:flex;flex-direction:column}
.info-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,60,50,.12)}
.info-cover{aspect-ratio:400/200;overflow:hidden;background:var(--bg-alt)}
.info-cover img{width:100%;height:100%;object-fit:cover}
.info-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.info-cat{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--teal);
  font-weight:600;background:var(--bg-alt);padding:3px 10px;border-radius:20px;align-self:flex-start}
.info-cat svg{width:14px;height:14px}
.info-title{font-size:16.5px;line-height:1.4;color:var(--ink)}
.info-sum{font-size:13.5px;color:var(--muted);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-meta{display:flex;gap:14px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px}
.info-meta span{display:inline-flex;align-items:center;gap:4px}
.info-meta svg{width:14px;height:14px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;box-shadow:var(--shadow)}
.step-ico{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;
  border-radius:50%;background:linear-gradient(135deg,var(--green),var(--teal));color:#fff;margin-bottom:12px}
.step-ico svg{width:26px;height:26px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* 搜索与筛选 */
.search-bar{display:flex;align-items:center;gap:10px;max-width:620px;margin:0 auto 20px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 10px 8px 14px;box-shadow:var(--shadow)}
.search-ico{color:var(--muted);display:flex}
.search-bar input{flex:1;border:none;outline:none;font-size:15px;padding:6px 4px}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:22px;
  border:1px solid var(--line);font-size:13.5px;color:var(--muted);background:#fff;transition:.15s}
.chip svg{width:15px;height:15px}
.chip:hover{border-color:var(--green);color:var(--brand)}
.chip.active{background:linear-gradient(135deg,var(--green),var(--teal));color:#fff;border-color:transparent}
.empty{text-align:center;color:var(--muted);padding:40px 0}

/* 详情 */
.detail-wrap{max-width:920px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px;display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--brand)}
.detail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.detail-cover{aspect-ratio:400/180;background:var(--bg-alt)}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-main{padding:26px 30px 30px}
.detail-title{font-size:26px;margin:10px 0 14px;line-height:1.35}
.detail-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.detail-meta span{display:inline-flex;align-items:center;gap:5px}
.detail-meta svg{width:15px;height:15px}
.block-title{font-size:17px;color:var(--brand);margin:22px 0 10px;border-left:4px solid var(--green);padding-left:10px}
.detail-sum{font-size:15px;color:var(--ink)}
.detail-text p{font-size:14.5px;color:#37454c;margin-bottom:12px}
.contact-box{margin-top:26px;background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.contact-line{display:flex;align-items:center;gap:8px;font-size:15px;margin-bottom:8px}
.contact-line svg{width:18px;height:18px;color:var(--green)}
.contact-line.masked strong{letter-spacing:1px;color:var(--muted)}
.contact-hint{font-size:13.5px;color:var(--muted);margin:6px 0 14px}

/* 表单 */
.form-wrap{max-width:680px}
.form-wrap.narrow{max-width:460px}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);margin-top:10px}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.req{color:#d9534f}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:10px;font-size:14.5px;font-family:inherit;outline:none;transition:.15s;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(26,163,90,.12)}
.field textarea{resize:vertical}
.agree{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin:4px 0 18px}
.agree input{width:16px;height:16px;accent-color:var(--green)}
.agree a{color:var(--brand);text-decoration:underline}
.form-foot{text-align:center;font-size:14px;color:var(--muted);margin-top:14px}
.form-foot a{color:var(--brand);font-weight:600}
.form-note{font-size:13px;color:var(--muted);margin-bottom:16px}
.form-note a{color:var(--brand)}
.alert{padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.alert svg{width:18px;height:18px;flex-shrink:0}
.alert-err{background:#fdecec;color:#b23b3b;border:1px solid #f5c2c2}
.alert-ok{background:#e8f6ef;color:var(--brand);border:1px solid #bfe6d2;flex-direction:column;align-items:flex-start}

/* 文章页 */
.article{max-width:820px}
.article.narrow{max-width:640px}
.lead{font-size:16px;color:var(--muted);margin-bottom:24px}
.article-p{font-size:15px;color:#37454c;margin-bottom:14px}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.about-ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;
  background:var(--bg-alt);color:var(--green);margin-bottom:10px}
.about-ico svg{width:24px;height:24px}
.about-card h3{font-size:16px;margin-bottom:6px}
.about-card p{font-size:13.5px;color:var(--muted)}
.info-list{list-style:none;margin:8px 0 24px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.info-list li{display:flex;padding:14px 18px;border-bottom:1px solid var(--line);font-size:14.5px}
.info-list li:last-child{border-bottom:none}
.il-label{width:120px;color:var(--muted);flex-shrink:0}
.il-val{font-weight:600}
.notice-list{list-style:none;margin:14px 0 24px;display:flex;flex-direction:column;gap:12px}
.notice-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#37454c;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.notice-list svg{width:20px;height:20px;color:var(--green);flex-shrink:0;margin-top:2px}

.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.contact-card h3{font-size:15px;margin:10px 0 6px;color:var(--muted);font-weight:600}
.contact-card p{font-size:16px;font-weight:700;color:var(--ink)}

/* 页脚 */
.site-footer{background:#10231d;color:#cdd8d3;margin-top:40px}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px;padding:44px 0 30px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand img{background:#fff;border-radius:10px;padding:2px}
.footer-name{font-weight:700;color:#fff;font-size:15px}
.footer-sub{font-size:12.5px;color:#9fb0a9;margin-top:4px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:12px}
.footer-col a,.footer-col p{display:block;font-size:13px;color:#aebcb6;margin-bottom:8px;transition:.15s}
.footer-col a:hover{color:#fff}
.footer-bottom{background:#0b1a15;border-top:1px solid #1d332b;padding:14px 0;font-size:12.5px;color:#8fa09a}
.footer-bottom-in{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-links a{color:#8fd0b0;text-decoration:underline}
.footer-links .dot{margin:0 8px;opacity:.6}

/* 后台管理 */
.admin-wrap{max-width:1080px}
.admin-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:8px}
.admin-title{text-align:left}
.admin-sub{text-align:left;margin-bottom:0}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-top:22px;box-shadow:var(--shadow)}
.panel-title{display:flex;align-items:center;gap:8px;font-size:17px;color:var(--brand);margin-bottom:16px}
.panel-title svg{width:20px;height:20px;color:var(--green)}
.panel-head-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head-row .panel-title{margin-bottom:0}
.filter-note{font-size:13.5px;color:var(--muted);margin:-6px 0 14px}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow)}
.stat-card.warn{border-color:#f3d9a8}
.stat-card.off{border-color:#eccaca}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--brand);line-height:1.1}
.stat-card.warn .stat-num{color:#b9770d}
.stat-card.off .stat-num{color:#b23b3b}
.stat-lab{display:block;font-size:13px;color:var(--muted);margin-top:6px}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
.table th,.table td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.table thead th{background:var(--bg-alt);color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#fafdfb}
.td-title{max-width:260px}
.td-title .link{font-weight:600;color:var(--ink)}
.link{color:var(--brand);text-decoration:underline;font-size:13.5px}
.td-actions{display:flex;gap:8px;flex-wrap:wrap;white-space:nowrap}
.td-done{color:#c2cdc8;font-size:13px}

.badge{display:inline-block;padding:3px 11px;border-radius:20px;font-size:12.5px;font-weight:600}
.badge-ok{background:#e8f6ef;color:var(--brand);border:1px solid #bfe6d2}
.badge-warn{background:#fdf3e0;color:#b9770d;border:1px solid #f3d9a8}
.badge-off{background:#fdecec;color:#b23b3b;border:1px solid #f5c2c2}

.btn-sm{padding:6px 13px;font-size:13px;border-radius:8px}
.btn-ok{background:linear-gradient(135deg,var(--green),var(--teal));color:#fff}
.btn-ok:hover{filter:brightness(1.05)}
.btn-off{background:#fff;border:1px solid #e6a3a3;color:#b23b3b}
.btn-off:hover{background:#fdecec}

/* 响应式 */
@media(max-width:900px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps,.about-grid,.contact-cards{grid-template-columns:1fr}
  .main-nav{display:none}
  .footer-in{grid-template-columns:1fr 1fr}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .cat-grid,.card-grid,.footer-in{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .header-in{gap:12px}
  .brand-name{display:none}
}