/* ═══ 归远承和 · 自然生态主题 ═══ */
:root {
  --green-900: #1E3A24;
  --green-800: #2D5A3D;
  --green-700: #3A6B4A;
  --green-600: #4A7D5A;
  --green-500: #5A8E6A;
  --green-400: #6B9E78;
  --green-300: #8AB896;
  --green-200: #A8D4A0;
  --green-100: #C5E0BC;
  --green-50:  #E8F0E4;
  --green-25:  #F7FAF5;
  --text-primary: #3A4A3C;
  --text-secondary: #5A7A5E;
  --text-muted: #7A9A7E;
  --border: #E0E8DC;
  --white: #FFFFFF;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-width: 1200px;
  --header-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--green-25);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }

/* ═══ HEADER ═══ */
.header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo a { font-size: 20px; font-weight: 600; color: var(--green-800); letter-spacing: 2px; }
.logo span { color: var(--green-400); }
.nav { display: flex; gap: 24px; }
.nav a { font-size: 14px; color: var(--text-secondary); }
.nav a:hover, .nav a.active { color: var(--green-800); font-weight: 500; }
.mobile-menu { display: none; background: none; border: none; font-size: 24px; color: var(--green-800); cursor: pointer; }

/* ═══ HERO ═══ */
.hero {
  background: linear-gradient(160deg, #E8F0E4 0%, #D4E4D0 30%, #C5D9C0 70%, #B8CDB2 100%);
  padding: 80px 40px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(107,158,120,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; }
.hero .leaf { font-size: 48px; margin-bottom: 16px; display: block; opacity: 0.6; }
.hero h1 { font-size: 32px; font-weight: 400; color: var(--green-800); letter-spacing: 2px; margin-bottom: 16px; }
.hero .subtitle { font-size: 15px; color: var(--text-secondary); max-width: 560px; margin: 0 auto 32px; line-height: 1.9; }
.cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--green-800);
  color: var(--white);
  padding: 13px 32px;
  border-radius: 24px;
  font-size: 15px;
  transition: background 0.3s;
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--green-900); }
.btn-outline {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--green-400);
  color: var(--green-800);
  padding: 13px 32px;
  border-radius: 24px;
  font-size: 15px;
  transition: all 0.3s;
  display: inline-block;
  cursor: pointer;
}
.btn-outline:hover { background: var(--white); }

/* ═══ SECTIONS ═══ */
.section { padding: 64px 40px; max-width: var(--max-width); margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 24px; font-weight: 400; color: var(--green-800); letter-spacing: 1px; }
.section-title .bar { width: 48px; height: 3px; background: linear-gradient(90deg, var(--green-400), var(--green-200)); margin: 12px auto 0; border-radius: 2px; }
.section-title p { font-size: 14px; color: var(--text-muted); margin-top: 10px; }

/* ═══ PILLAR CARDS (HOME) ═══ */
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: block;
}
.pillar-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-400), var(--green-200));
  opacity: 0;
  transition: opacity 0.3s;
}
.pillar-card:hover { box-shadow: 0 8px 32px rgba(45,90,61,0.08); transform: translateY(-2px); }
.pillar-card:hover::after { opacity: 1; }
.pillar-card .icon-ring {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 18px;
  color: var(--green-800);
}
.pillar-card h3 { font-size: 16px; font-weight: 500; color: var(--green-800); margin-bottom: 8px; }
.pillar-card p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.pillar-card .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.tag {
  background: var(--green-50);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
}

/* ═══ ECO SECTION (HOME) ═══ */
.eco-section {
  background: var(--green-800);
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}
.eco-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(168,212,160,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.eco-inner { max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 1; }
.eco-inner .section-title h2 { color: var(--green-50); }
.eco-inner .section-title .bar { background: var(--green-200); }
.eco-inner .section-title p { color: #A8C8AC; }
.eco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.eco-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(168,212,160,0.2);
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.3s;
  display: block;
}
.eco-card:hover { background: rgba(255,255,255,0.1); border-color: rgba(168,212,160,0.4); }
.eco-card .eco-icon { font-size: 28px; margin-bottom: 10px; display: block; }
.eco-card h3 { font-size: 15px; color: var(--green-50); margin-bottom: 6px; }
.eco-card p { font-size: 12px; color: #A8C8AC; line-height: 1.8; }

/* ═══ ARTICLE LIST (PILLAR PAGES) ═══ */
.article-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.article-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 24px;
  transition: all 0.3s;
  display: block;
}
.article-item:hover { border-color: var(--green-400); box-shadow: 0 4px 16px rgba(45,90,61,0.06); }
.article-item h3 { font-size: 15px; color: var(--green-800); font-weight: 500; margin-bottom: 4px; }
.article-item p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ═══ ARTICLE CONTENT ═══ */
.article-wrap { max-width: 760px; margin: 0 auto; padding: 48px 24px 64px; }
.article-wrap .breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.article-wrap .breadcrumb a { color: var(--green-600); }
.article-wrap .breadcrumb a:hover { text-decoration: underline; }
.article-wrap h1 { font-size: 26px; font-weight: 500; color: var(--green-800); line-height: 1.5; margin-bottom: 12px; }
.article-wrap .article-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.article-wrap h2 { font-size: 20px; font-weight: 500; color: var(--green-800); margin: 32px 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--green-50); }
.article-wrap h3 { font-size: 17px; font-weight: 500; color: var(--green-700); margin: 24px 0 12px; }
.article-wrap p { margin-bottom: 16px; line-height: 1.9; color: var(--text-primary); }
.article-wrap ul { margin: 0 0 16px 20px; }
.article-wrap li { margin-bottom: 6px; line-height: 1.8; color: var(--text-primary); }
.article-wrap .content-table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 14px; }
.article-wrap .content-table th { background: var(--green-50); color: var(--green-800); font-weight: 500; padding: 10px 14px; text-align: left; border: 1px solid var(--border); }
.article-wrap .content-table td { padding: 10px 14px; border: 1px solid var(--border); line-height: 1.7; }
.article-wrap .content-table tr:nth-child(even) { background: var(--green-25); }
.article-wrap .disclaimer { background: var(--green-50); border-radius: 8px; padding: 16px 20px; margin-top: 32px; font-size: 13px; color: var(--text-muted); line-height: 1.8; }

/* ═══ FAQ ═══ */
.faq-section { padding: 64px 40px; max-width: 800px; margin: 0 auto; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-row {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 22px;
  transition: all 0.3s;
}
.faq-row:hover { border-color: var(--green-400); }
.faq-row h4 { font-size: 15px; color: var(--green-800); font-weight: 500; margin-bottom: 4px; }
.faq-row p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ═══ RELATED ARTICLES ═══ */
.related-section { background: var(--green-50); padding: 48px 40px; }
.related-inner { max-width: 760px; margin: 0 auto; }
.related-inner h3 { font-size: 16px; color: var(--green-800); margin-bottom: 16px; }
.related-links { display: flex; flex-direction: column; gap: 8px; }
.related-link {
  display: block;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--green-700);
  transition: all 0.3s;
}
.related-link:hover { border-color: var(--green-400); color: var(--green-800); }

/* ═══ FOOTER ═══ */
.footer { background: var(--green-900); color: #8AA88E; padding: 48px 40px 28px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 28px; }
.footer-brand h3 { font-size: 18px; color: var(--green-50); margin-bottom: 8px; }
.footer-brand p { font-size: 13px; line-height: 1.8; }
.footer-col h4 { font-size: 14px; color: var(--green-50); margin-bottom: 10px; }
.footer-col a { display: block; font-size: 13px; color: #8AA88E; margin-bottom: 7px; }
.footer-col a:hover { color: var(--green-50); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 18px; font-size: 12px; text-align: center; color: #6A8A6E; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .header { padding: 0 16px; }
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--border); gap: 12px; box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
  .nav.show { display: flex; }
  .mobile-menu { display: block; }
  .hero { padding: 48px 20px 64px; }
  .hero h1 { font-size: 22px; }
  .section { padding: 40px 20px; }
  .pillar-grid { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; align-items: center; }
  .article-wrap { padding: 32px 16px 48px; }
  .article-wrap h1 { font-size: 22px; }
  .article-wrap h2 { font-size: 18px; }
}

/* ===== P0: ICP / 联系卡片 / 留资表单 ===== */
.icp-line{margin-top:6px;font-size:12px}
.icp-line a{color:var(--muted,#7A9A7E);text-decoration:none}
.icp-line a:hover{text-decoration:underline}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0}
.contact-card{background:var(--white,#fff);border:1px solid var(--border,#E0E8DC);border-radius:12px;padding:20px;text-align:center}
.contact-card .ci{font-size:28px;line-height:1}
.contact-card h3{margin:10px 0 6px;font-size:16px;color:var(--green-800,#2D5A3D)}
.contact-card p{margin:4px 0;font-size:14px;color:var(--text,#3A4A3C)}
.contact-card .cs{color:var(--muted,#7A9A7E);font-size:12px}
.contact-card a{color:var(--green-800,#2D5A3D);text-decoration:none;font-weight:500}
.contact-card a:hover{text-decoration:underline}
.qr{width:120px;height:120px;object-fit:contain;border-radius:8px}
.lead-form{background:var(--white,#fff);border:1px solid var(--border,#E0E8DC);border-radius:12px;padding:24px;margin:20px 0}
.lead-form label{display:block;margin-bottom:14px;font-size:14px;color:var(--text,#3A4A3C);font-weight:500}
.lead-form label em{color:#c0392b;font-style:normal;margin-left:2px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--border,#E0E8DC);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text,#3A4A3C)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--green-600,#6B9E78)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-submit{width:100%;border:none;cursor:pointer;font-size:16px;padding:12px;border-radius:8px;background:var(--green-800,#2D5A3D);color:#fff}
.form-submit:hover{background:var(--green-900,#1E4A2E)}
.form-submit:disabled{opacity:.6;cursor:not-allowed}
.form-note{font-size:12px;color:var(--muted,#7A9A7E);margin-top:10px}
.form-note a{color:var(--muted,#7A9A7E)}
.form-status{margin-top:10px;font-size:14px;font-weight:500;min-height:20px}
.form-status.ok{color:#2D5A3D}
.form-status.err{color:#c0392b}
.cta-form-section{background:var(--bg,#F7FAF5);border-top:1px solid var(--border,#E0E8DC);padding:40px 0;margin-top:40px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}

/* P1-13 信息图 */
.article-figure{margin:26px 0 30px;}
.article-figure img{width:100%;height:auto;border-radius:10px;border:1px solid #dfe8df;background:#fff;}
.article-figure figcaption{font-size:13px;color:#6e7870;text-align:center;margin-top:8px;}

/* p4-series-backlink */
.series-backlink{margin:14px 0 22px;padding:10px 16px;background:var(--green-50);border-left:3px solid var(--green-400);border-radius:0 8px 8px 0;font-size:14px;color:var(--text-secondary)}
.series-backlink a{color:var(--green-800);font-weight:600;text-decoration:none}
.series-backlink a:hover{text-decoration:underline}

/* p5-geo-boxes — 与正文原生样式一致，不做任何色彩区分 */
.tldr{margin:24px 0}
.tldr .tldr-title{font-size:17px;font-weight:500;color:var(--green-700);margin:0 0 12px}
.tldr ul{margin:0 0 0 20px}
.tldr li{margin-bottom:6px;line-height:1.8;color:var(--text-primary)}
.data-box{margin:24px 0}
.data-box .db-title{font-size:17px;font-weight:500;color:var(--green-700);margin:0 0 12px}
.data-box ul{margin:0 0 0 20px}
.data-box li{margin-bottom:6px;line-height:1.8;color:var(--text-primary)}
.local-box{margin:24px 0}
.local-box .lb-title{font-size:17px;font-weight:500;color:var(--green-700);margin:0 0 12px}
.local-box p{margin:0;line-height:1.9;color:var(--text-primary)}

/* ═══ 第八步 · 销售钩子 + CTA（恩启式宽松留白 · 原生绿色系 · 不跳色） ═══ */
.cta-band{background:linear-gradient(180deg,var(--green-25) 0%,var(--green-50) 100%);
  border-top:1px solid var(--border);padding:60px 24px}
.cta-band-inner{max-width:680px;margin:0 auto;text-align:center}
.cta-band-inner h3{font-size:23px;font-weight:500;color:var(--green-900);letter-spacing:.5px;margin-bottom:14px}
.cta-band-inner .cta-lead{font-size:15px;color:var(--text-secondary);line-height:1.95;margin:0 auto 26px;max-width:520px}
.cta-phone-wrap{margin-bottom:28px}
.cta-phone{display:inline-block;font-size:18px;font-weight:600;color:var(--green-800);letter-spacing:4px;
  padding:11px 40px 11px 44px;border:1px solid var(--green-200);border-radius:30px;background:rgba(255,255,255,.6);transition:all .3s}
.cta-phone:hover{background:var(--white);border-color:var(--green-400)}
.cta-phone-note{display:block;font-size:12.5px;color:var(--text-muted);margin-top:10px}
.cta-band-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.cta-band-row .btn-primary,.cta-band-row .btn-outline{padding:15px 38px;font-size:15.5px}
.cta-band-lite{padding:48px 24px}
.cta-band-lite .cta-band-inner h3{font-size:20px}
.cta-band-lite .cta-phone{font-size:16px;padding:10px 34px 10px 38px}

/* CTA Modal — 左二维码面板 / 右表单 双栏 */
.cta-modal-overlay{position:fixed;inset:0;background:rgba(20,35,24,.5);backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;z-index:1000;padding:24px}
.cta-modal-overlay.open{display:flex}
.cta-modal{background:var(--white);border-radius:18px;max-width:640px;width:100%;
  box-shadow:0 24px 70px rgba(20,40,25,.28);overflow:hidden;animation:ctaPop .22s ease}
@keyframes ctaPop{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.cta-modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:20px 26px;border-bottom:1px solid var(--border)}
.cta-modal-title{font-size:18px;font-weight:600;color:var(--green-900);margin:0}
.cta-modal-close{background:none;border:none;cursor:pointer;font-size:28px;line-height:1;
  color:var(--text-muted);transition:color .2s;padding:0 4px}
.cta-modal-close:hover{color:var(--green-800)}
.cta-modal-body{display:grid;grid-template-columns:244px 1fr}
.cta-modal-qr{background:var(--green-25);padding:34px 24px;text-align:center;border-right:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center}
.cta-modal-qr img{width:180px;height:180px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--border)}
.cta-modal-qr .qr-title{font-size:15px;font-weight:600;color:var(--green-900);margin-top:16px}
.cta-modal-qr p{font-size:13px;color:var(--text-secondary);margin-top:6px;line-height:1.75}
.cta-modal-form-wrap{padding:28px 26px}
.cta-modal-form{background:transparent;border:none;padding:0;margin:0}
.cta-modal-form label{margin-bottom:16px}
.cta-modal-form .form-submit{margin-top:4px;padding:13px}
@media(max-width:640px){
  .cta-band{padding:44px 20px}
  .cta-band-row{flex-direction:column;align-items:stretch}
  .cta-band-row .btn-primary,.cta-band-row .btn-outline{width:100%}
  .cta-modal{max-width:100%}
  .cta-modal-body{grid-template-columns:1fr}
  .cta-modal-qr{border-right:none;border-bottom:1px solid var(--border);padding:26px 20px}
  .cta-modal-qr img{width:150px;height:150px}
  .cta-modal-form-wrap{padding:24px 20px}
}