/* 百家姓 · 7628工具网风格（清爽绿） */
:root{
  --green:#22c55e; --green-dark:#16a34a; --green-deep:#15803d;
  --green-soft:#dcfce7; --green-bg:#f0fdf4; --green-line:#bbf7d0;
  --ink:#1f2937; --ink-2:#4b5563; --ink-3:#6b7280;
  --line:#e5e7eb; --bg:#f6f8f7; --card:#ffffff; --amber:#f59e0b;
  --radius:12px; --shadow:0 2px 14px rgba(22,163,74,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; font-size:15px;
}
a{color:var(--green-deep);text-decoration:none}
a:hover{color:var(--green-dark);text-decoration:underline}
img{max-width:100%}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* ---------- header ---------- */
.site-header{
  background:linear-gradient(120deg,#16a34a 0%,#22c55e 60%,#4ade80 100%);
  box-shadow:0 2px 12px rgba(22,163,74,.25); position:sticky; top:0; z-index:50;
}
.header-inner{max-width:1100px;margin:0 auto;padding:0 16px;height:64px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff}
.logo-text{font-size:21px;font-weight:700;color:#fff;line-height:1.1}
.logo-text small{display:block;font-size:11px;font-weight:400;opacity:.85;letter-spacing:1px}
.main-nav{display:flex;gap:4px;flex:1}
.main-nav a{color:#eafff1;padding:7px 13px;border-radius:8px;font-size:15px;white-space:nowrap}
.main-nav a:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none}
.header-search{display:flex;flex-shrink:0}
.header-search input{width:170px;height:38px;border:none;border-radius:8px 0 0 8px;padding:0 12px;font-size:14px;outline:none}
.header-search button{height:38px;border:none;background:#0f7a3a;color:#fff;padding:0 18px;border-radius:0 8px 8px 0;cursor:pointer;font-size:14px}
.header-search button:hover{background:#0c6630}

/* ---------- crumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.crumb-bar .container{padding-top:9px;padding-bottom:9px}
.crumb-bar a{color:var(--ink-2)}
.crumb-bar em{color:#bbb;font-style:normal;margin:0 5px}
.crumb-bar span{color:var(--ink-3)}

.site-main{padding:22px 16px 40px;min-height:60vh}

/* ---------- hero / search ---------- */
.hero{background:linear-gradient(160deg,#ffffff 0%,#f0fdf4 100%);
  border:1px solid var(--green-line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow);margin-bottom:22px}
.hero h1{font-size:26px;color:var(--green-deep);margin-bottom:6px}
.hero p.sub{color:var(--ink-2);margin-bottom:18px}
.big-search{display:flex;max-width:560px}
.big-search input{flex:1;height:48px;border:2px solid var(--green);border-right:none;border-radius:10px 0 0 10px;padding:0 16px;font-size:16px;outline:none}
.big-search button{height:48px;border:none;background:linear-gradient(90deg,#22c55e,#16a34a);color:#fff;padding:0 34px;border-radius:0 10px 10px 0;font-size:17px;cursor:pointer;font-weight:700}
.big-search button:hover{filter:brightness(.96)}
.hot-line{margin-top:12px;font-size:13px;color:var(--ink-3)}
.hot-line a{margin:0 6px}

/* ---------- letter bar ---------- */
.letter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 4px}
.letter-bar a{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 8px;
  background:#fff;border:1px solid var(--green-line);border-radius:8px;color:var(--green-deep);font-weight:700}
.letter-bar a:hover,.letter-bar a.active{background:var(--green);color:#fff;text-decoration:none;border-color:var(--green)}
.letter-bar a .n{font-size:11px;font-weight:400;opacity:.7;margin-left:3px}
.letter-bar a.active .n{opacity:.9}

/* ---------- section / cards ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;margin-bottom:22px}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--green-soft)}
.panel-head h2{font-size:19px;color:var(--green-deep)}
.panel-head h2 em{font-style:normal;color:var(--green);}
.panel-head .more{margin-left:auto;font-size:13px;color:var(--ink-3)}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.filter-chips a{padding:5px 13px;border-radius:999px;background:var(--green-bg);border:1px solid var(--green-line);font-size:14px;color:var(--green-deep)}
.filter-chips a.active,.filter-chips a:hover{background:var(--green);color:#fff;text-decoration:none}

/* ---------- surname grid ---------- */
.name-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:10px}
.name-cell{position:relative;display:flex;flex-direction:align-items;align-items:center;justify-content:center;
  min-height:64px;background:var(--green-bg);border:1px solid var(--green-line);border-radius:10px;
  font-size:24px;color:var(--ink);transition:.15s}
.name-cell:hover{background:var(--green);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 14px rgba(34,197,94,.3)}
.name-cell .rank{position:absolute;left:5px;top:3px;font-size:10px;color:var(--amber);font-weight:700}
.name-cell:hover .rank{color:#fff7ed}
.name-cell .py{position:absolute;bottom:2px;font-size:10px;color:var(--ink-3);font-weight:400}
.name-cell:hover .py{color:#eafff1}

.list-title{font-size:16px;margin:18px 0 10px;color:var(--green-deep)}
.list-title small{color:var(--ink-3);font-weight:400;font-size:13px;margin-left:8px}

/* ---------- detail ---------- */
.detail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:22px}
.char-head{display:flex;gap:24px;align-items:center;padding:26px 28px;background:linear-gradient(120deg,#f0fdf4,#ffffff);border-bottom:1px solid var(--green-line);flex-wrap:wrap}
.char-zi{flex-shrink:0;width:148px;height:148px;border-radius:14px;
  background:url("../images/tzg-td.png") center center/100% 100% no-repeat;
  display:flex;align-items:center;justify-content:center}
.char-zi .hzi{font-size:92px;color:#2c5d3f;font-weight:700;line-height:1;
  font-family:"KaiTi","STKaiti","楷体","Microsoft YaHei",serif;text-shadow:0 1px 2px rgba(0,0,0,.08)}
.char-zi .hzi-len2{font-size:58px;letter-spacing:2px}
.char-zi .hzi-len3{font-size:42px;letter-spacing:1px}
.char-meta{flex:1;min-width:280px}
.char-meta h1{font-size:30px;color:var(--green-deep);margin-bottom:4px}
.char-meta .py-line{font-size:18px;color:var(--amber);margin-bottom:12px}
.meta-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px 22px}
.meta-grid .mi{font-size:14px;color:var(--ink-2)}
.meta-grid .mi b{color:var(--ink);font-weight:600}
.pager-prevnext{display:flex;gap:14px;margin:16px auto 0;max-width:900px}
.pn-link{flex:1;background:#fff;border:1px solid var(--green-line);border-radius:10px;padding:12px 18px;color:var(--ink-2);transition:.15s}
.pn-link:hover{background:var(--green);color:#fff;text-decoration:none;border-color:var(--green)}
.pn-link .pn-tag{display:block;font-size:12px;opacity:.7}
.pn-link .pn-name{font-size:20px;font-weight:700}

.view-section{padding:22px 28px;border-bottom:1px solid var(--line)}
.view-section:last-child{border-bottom:none}
.view-section h3{font-size:19px;color:var(--green-deep);margin-bottom:14px;padding-left:12px;border-left:4px solid var(--green);line-height:1.2}
.view-section p{margin-bottom:12px;color:#374151}
.view-section strong{color:var(--green-deep)}
.view-section table{width:100%;border-collapse:collapse;margin:4px 0;font-size:14px}
.view-section table th,.view-section table td{border:1px solid var(--green-line);padding:8px 10px;text-align:center}
.view-section table th{background:var(--green-bg);color:var(--green-deep)}
.view-section table td.gray{color:#9ca3af}

/* 起名推荐 */
.name-tags{display:flex;flex-wrap:wrap;gap:10px}
.name-tags a{display:inline-block;padding:7px 16px;background:var(--green-bg);border:1px solid var(--green-line);
  border-radius:999px;color:var(--green-deep);font-size:15px}
.name-tags a:hover{background:var(--green);color:#fff;text-decoration:none}
.name-tags .nm-chip{display:inline-block;padding:7px 16px;background:var(--green-bg);border:1px solid var(--green-line);
  border-radius:999px;color:var(--green-deep);font-size:15px}
.name-empty{color:var(--ink-3);font-size:14px}

/* 关联姓氏 */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:8px}
.related-grid a{display:flex;align-items:center;justify-content:center;height:46px;background:var(--green-bg);
  border:1px solid var(--green-line);border-radius:8px;font-size:20px;color:var(--ink)}
.related-grid a:hover{background:var(--green);color:#fff;text-decoration:none}

/* 搜索结果 */
.result-item{display:flex;align-items:center;gap:16px;padding:14px 18px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
.result-item .rc{width:52px;height:52px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:var(--green-bg);border:1px solid var(--green-line);border-radius:10px;font-size:26px;color:var(--green-deep)}
.result-item .rt{flex:1}
.result-item .rt a{font-size:20px;font-weight:700}
.result-item .rs{font-size:13px;color:var(--ink-3)}
.no-result{padding:36px;text-align:center;color:var(--ink-3)}

/* ---------- footer ---------- */
.site-footer{background:#0f3d24;color:#cfeeda;margin-top:30px}
.footer-cols{display:grid;grid-template-columns:1fr 1.2fr 2fr;gap:30px;padding:34px 0 24px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;color:#a7d8bc;margin-bottom:8px;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-letters,.footer-names{display:flex;flex-wrap:wrap;gap:6px}
.footer-letters a,.footer-names a{display:inline-block;margin:0;padding:3px 9px;border:1px solid rgba(255,255,255,.15);
  border-radius:6px;font-size:13px}
.footer-names a{font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;text-align:center}
.footer-links{margin-bottom:8px}
.footer-links a{color:#cfeeda;margin:0 12px;font-size:14px}
.footer-links a:hover{color:#fff}
.copyright{font-size:13px;color:#7fb394}

/* ---------- back to top ---------- */
.back-to-top{position:fixed;right:26px;bottom:60px;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;font-size:24px;display:flex;align-items:center;
  justify-content:center;cursor:pointer;box-shadow:0 6px 18px rgba(22,163,74,.4);opacity:0;visibility:hidden;
  transform:translateY(14px);transition:.25s;z-index:60;user-select:none}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{filter:brightness(1.05)}

@media(max-width:860px){
  .header-inner{flex-wrap:wrap;height:auto;padding:10px 16px;gap:10px}
  .main-nav{order:3;width:100%;overflow-x:auto}
  .header-search input{width:120px}
  .footer-cols{grid-template-columns:1fr;gap:22px}
  .char-head{padding:20px}
  .view-section{padding:18px 16px}
}