/* ==========================================================
   八戒牧业 · 绿色生态生猪养殖全产业链网站
   主题：绿色 / 生态 / 环保
   ========================================================== */
:root{
  --green-900:#0f3d22;
  --green-800:#14532d;
  --green-700:#15803d;
  --green-600:#16a34a;
  --green-500:#22c55e;
  --green-100:#dcfce7;
  --green-50:#f0fdf4;
  --amber-500:#f59e0b;
  --amber-600:#d97706;
  --ink:#1f2a22;
  --muted:#65756a;
  --bg:#f7faf5;
  --card:#ffffff;
  --line:#e3ecdf;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(20,83,45,.06);
  --shadow-md:0 10px 30px rgba(20,83,45,.10);
  --shadow-lg:0 18px 44px rgba(20,83,45,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit;transition:color .2s}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 18px rgba(20,83,45,.06)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--green-900)}
.logo-text small{display:block;font-size:10px;letter-spacing:2.5px;color:var(--muted);font-weight:600;line-height:1.2}
.logo-light{color:#fff}
.logo-light .logo-text small{color:#9cc7a2}
.nav{display:flex;gap:28px}
.nav a{font-size:15px;font-weight:500;color:#33463a;position:relative;padding:4px 0}
.nav a.active,.nav a:hover{color:var(--green-700)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--green-600);border-radius:2px;transition:.25s}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--green-800);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:.25s}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-primary{background:linear-gradient(135deg,#22c55e,#15803d);color:#fff;box-shadow:0 8px 20px rgba(22,163,74,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,163,74,.36)}
.btn-outline{background:#fff;border:1.5px solid var(--green-600);color:var(--green-700)}
.btn-outline:hover{background:var(--green-50);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green-800)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.75);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}

/* ---------- 首页 Hero ---------- */
.hero{padding:64px 0 76px;background:radial-gradient(1200px 500px at 85% -10%,#dff0d8 0%,transparent 60%),linear-gradient(180deg,#f2f8ec,#f7faf5)}
.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--green-50);border:1px solid #cfe8c8;color:var(--green-700);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.28;color:var(--green-900);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--green-600)}
.hero .lead{font-size:16px;color:var(--muted);margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hero-stats strong{font-size:26px;color:var(--green-800);display:block;line-height:1.3}
.hero-stats span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative}
.float-chip{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow-md);padding:8px 14px;font-size:13px;font-weight:600;color:var(--green-800);display:flex;gap:8px;align-items:center;animation:float 4s ease-in-out infinite;white-space:nowrap}
.float-chip svg{color:var(--green-600)}
.chip1{top:8%;left:-4%}
.chip2{top:40%;right:-5%;animation-delay:1.2s}
.chip3{bottom:5%;left:9%;animation-delay:2.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- 通用 Section ---------- */
.section{padding:84px 0}
.section.alt{background:#f2f7ee}
.section-head{text-align:center;max-width:660px;margin:0 auto 48px}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--green-600);font-weight:700;font-size:13px;letter-spacing:3px;margin-bottom:10px}
.kicker::before,.kicker::after{content:"";width:18px;height:1.5px;background:var(--green-500);border-radius:2px}
.section-title{font-size:30px;color:var(--green-900);margin-bottom:12px}
.section-desc{color:var(--muted);font-size:15px}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#c9e5c9}
.card h3{font-size:17px;margin-bottom:8px;color:var(--green-900)}
.card p{font-size:14px;color:var(--muted)}
.icon-wrap{width:52px;height:52px;border-radius:14px;background:var(--green-50);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--green-600);flex-shrink:0}

/* ---------- 产业链流程 ---------- */
.chain-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.3s;overflow:hidden}
.chain-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step-idx{position:absolute;top:10px;right:14px;font-size:44px;font-weight:800;color:var(--green-100);line-height:1}
.chain-step h3{font-size:17px;color:var(--green-900);margin:0 0 8px}
.chain-step p{font-size:13.5px;color:var(--muted)}

/* ---------- 认养 / 众筹 双入口 ---------- */
.dual-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.entry{border-radius:20px;padding:38px;color:#fff;position:relative;overflow:hidden;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;transition:.3s}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.entry h3{font-size:24px}
.entry p{font-size:14px;opacity:.94;max-width:420px}
.entry .entry-cta{margin-top:10px;align-self:flex-start;background:#fff;color:var(--green-800);font-weight:700;font-size:14px;padding:10px 22px;border-radius:999px}
.entry::before{content:"";position:absolute;right:-50px;top:-50px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.12)}
.entry-icon{position:absolute;right:20px;top:20px;opacity:.28}
.entry-ad{background:linear-gradient(120deg,#14532d,#2f9e4f)}
.entry-cf{background:linear-gradient(120deg,#8a4b10,#e08b1d)}
.entry-cf .entry-cta{color:#8a4b10}

/* ---------- 数据带 ---------- */
.stats-band{background:linear-gradient(135deg,#0f3d22,#1c7a3f);color:#fff;padding:64px 0}
.stats-band .grid-4{gap:20px}
.stat{text-align:center}
.stat strong{font-size:40px;font-weight:800;display:block;line-height:1.2}
.stat strong i{font-style:normal;font-size:20px;margin-left:2px}
.stat span{font-size:13px;color:#bfe3c6}

/* ---------- 新闻卡片 ---------- */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-thumb{height:170px;display:flex;align-items:center;justify-content:center;color:#fff}
.thumb-a{background:linear-gradient(135deg,#2f8f4e,#74c69d)}
.thumb-b{background:linear-gradient(135deg,#3a7d44,#95d5b2)}
.thumb-c{background:linear-gradient(135deg,#52796f,#84a98c)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-meta{font-size:12px;color:var(--muted);display:flex;gap:12px;align-items:center}
.news-tag{background:var(--green-50);color:var(--green-700);padding:2px 10px;border-radius:999px;font-weight:600}
.news-body h3{font-size:16px;color:var(--green-900);line-height:1.5}
.news-body p{font-size:13.5px;color:var(--muted);flex:1}
.news-more{font-size:13px;color:var(--green-600);font-weight:600}
.news-card:hover .news-more{color:var(--green-700)}

/* ---------- CTA 横条 ---------- */
.cta-strip{background:linear-gradient(120deg,#14532d,#2f8f4e);color:#fff;padding:56px 0;margin-top:80px}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;margin-bottom:6px}
.cta-inner p{font-size:14px;opacity:.9}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#12301c;color:#cfe3cf;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.4fr 1fr;gap:32px;padding:56px 0 36px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col li{margin-bottom:9px;font-size:13.5px}
.footer-col a:hover{color:#fff}
.footer-slogan{font-size:13.5px;line-height:1.9;margin-top:14px;max-width:280px;color:#9cc7a2}
.footer-contact li{color:#a7c9ab}
.qr-box{width:92px;height:92px;background:#fff;border-radius:10px;padding:8px}
.qr-box img{width:100%;height:100%;object-fit:cover;display:block;border-radius:6px}
.qr-cap{font-size:12px;margin-top:8px;color:#9cc7a2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12.5px;color:#7fa384}
.footer-bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- 返回顶部 ---------- */
.back-top{position:fixed;right:26px;bottom:30px;width:44px;height:44px;border-radius:50%;background:var(--green-600);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transform:translateY(14px);transition:.3s;z-index:60}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{background:var(--green-700)}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- 内页 Banner ---------- */
.page-banner{background:linear-gradient(135deg,#0f3d22,#1c7a3f 55%,#3fa04b);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
.page-banner::before,.page-banner::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.page-banner::before{width:260px;height:260px;right:-60px;top:-90px}
.page-banner::after{width:150px;height:150px;right:180px;bottom:-70px}
.page-banner h1{font-size:34px;margin:6px 0 8px;position:relative;z-index:1}
.page-banner .banner-desc{font-size:14.5px;color:#cfe8d2;max-width:560px;position:relative;z-index:1}
.crumb{font-size:13px;color:#a9d6ae;position:relative;z-index:1}
.crumb a{color:#cfe8d2}
.crumb a:hover{color:#fff}

/* ---------- 产业链详情行 ---------- */
.chain-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:60px}
.chain-row:last-child{margin-bottom:0}
.chain-row.flip .chain-visual{order:2}
.chain-visual{background:linear-gradient(150deg,#e9f5e0,#cfe8c2);border:1px solid var(--line);border-radius:20px;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.chain-visual .big-idx{position:absolute;bottom:2px;right:16px;font-size:72px;font-weight:800;color:rgba(22,163,74,.14);line-height:1}
.chain-copy h2{font-size:24px;color:var(--green-900);margin-bottom:6px}
.chain-copy .chain-sub{color:var(--green-600);font-weight:600;font-size:14px;margin-bottom:14px}
.chain-copy p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.check-list li{display:flex;gap:10px;font-size:14px;color:#41544a;padding:5px 0}
.check-list li svg{color:var(--green-600);flex-shrink:0;margin-top:5px}

/* ---------- 认养套餐 ---------- */
.plan{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 28px;position:relative;transition:.3s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.plan.featured{border:2px solid var(--green-600);box-shadow:var(--shadow-md)}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#22c55e,#15803d);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;white-space:nowrap}
.plan-name{font-size:15px;font-weight:700;color:var(--green-600);letter-spacing:1px;margin-bottom:8px}
.plan-price{font-size:36px;font-weight:800;color:var(--green-900);line-height:1.2}
.plan-price small{font-size:14px;color:var(--muted);font-weight:500}
.plan-desc{font-size:13.5px;color:var(--muted);margin:8px 0 16px;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.plan-list{flex:1;margin-bottom:22px}
.plan-list li{display:flex;gap:9px;font-size:13.5px;color:#41544a;padding:6px 0}
.plan-list li::before{content:"✓";color:var(--green-600);font-weight:800}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--green-600);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:16px;color:var(--green-900);margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}

/* ---------- 云牧场监控 ---------- */
.monitor-panel{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm)}
.monitor-screen{position:relative;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,#e3f2d9,#bfe3ac);min-height:300px}
.live-badge{position:absolute;top:14px;left:14px;background:rgba(15,40,20,.55);color:#fff;padding:6px 12px;border-radius:999px;font-size:12px;display:flex;gap:8px;align-items:center;backdrop-filter:blur(4px);z-index:2}
.live-dot{width:8px;height:8px;background:#ff5252;border-radius:50%;animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,82,82,.5)}70%{box-shadow:0 0 0 8px rgba(255,82,82,0)}100%{box-shadow:0 0 0 0 rgba(255,82,82,0)}}
.monitor-time{position:absolute;bottom:12px;right:14px;background:rgba(15,40,20,.55);color:#fff;font-size:12px;padding:5px 10px;border-radius:8px;font-variant-numeric:tabular-nums;z-index:2}
.sensor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.sensor{background:var(--green-50);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.sensor span{font-size:12px;color:var(--muted);display:block;margin-bottom:2px}
.sensor strong{font-size:18px;color:var(--green-800)}
.sensor small{font-size:12px;color:var(--green-600);font-weight:600}

/* ---------- 溯源查询 ---------- */
.trace-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow-sm)}
.trace-row{display:flex;gap:12px;margin-top:16px}
.trace-row input{flex:1}
.trace-result{margin-top:14px;padding:14px 16px;border-radius:12px;font-size:14px;line-height:1.9}
.trace-result.ok{background:var(--green-50);border:1px solid #bfe3c6;color:var(--green-900)}
.trace-result.warn{background:#fef3c7;border:1px solid #fde68a;color:#92400e}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field label i{color:#dc2626;font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid #d7e2d3;border-radius:10px;font-size:14px;background:#fbfdfa;font-family:inherit;color:var(--ink);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green-600);box-shadow:0 0 0 3px rgba(22,163,74,.12)}
.field textarea{resize:vertical;min-height:96px}
.agree-row{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 14px}
.agree-row input{margin-top:4px;accent-color:var(--green-600)}
.form-tip{margin-top:12px;font-size:14px;font-weight:600;color:#b91c1c;min-height:1.4em}
.form-tip.ok{color:var(--green-700)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;padding:16px 20px;font-weight:600;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:none;border:none;font-size:15px;color:var(--green-900)}
.faq-q::after{content:"+";font-size:20px;color:var(--green-600);transition:.25s;line-height:1}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 16px;font-size:14px;color:var(--muted)}

/* ---------- 筛选 Tabs ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px;justify-content:center}
.tab-btn{padding:8px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;color:#41544a;transition:.2s}
.tab-btn:hover{border-color:var(--green-500);color:var(--green-700)}
.tab-btn.active{background:var(--green-600);color:#fff;border-color:var(--green-600)}

/* ---------- 众筹项目卡 ---------- */
.project-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow-sm);position:relative;display:flex;flex-direction:column;gap:13px;transition:.3s}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.project-card.featured{border:2px solid var(--amber-500)}
.project-badge{position:absolute;top:-12px;right:18px;background:var(--amber-500);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;box-shadow:0 4px 12px rgba(245,158,11,.4)}
.project-tag{align-self:flex-start;background:var(--green-50);color:var(--green-700);font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px}
.project-card h3{font-size:18px;color:var(--green-900)}
.project-card>p{font-size:13.5px;color:var(--muted)}
.project-stats{display:flex;gap:26px}
.project-stats strong{display:block;font-size:19px;color:var(--green-800);line-height:1.3}
.project-stats span{font-size:12px;color:var(--muted)}
.progress{height:10px;background:#e8f0e6;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#4ade80,#16a34a);transition:width 1.4s cubic-bezier(.22,.61,.36,1)}
.progress-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
.progress-meta strong{color:var(--green-700)}
.tier-list{display:grid;gap:10px;border-top:1px dashed var(--line);padding-top:14px}
.tier{border:1px dashed #c9dfc0;border-radius:12px;padding:11px 14px;background:#fbfdfa}
.tier-head{display:flex;justify-content:space-between;align-items:center;font-size:14px}
.tier-head strong{color:var(--amber-600);font-size:15px}
.tier-head span{font-size:12px;color:var(--green-700);font-weight:600}
.tier p{font-size:12.5px;color:var(--muted);margin-top:3px}

/* ---------- 监管 / 风险 ---------- */
.note-card{border-radius:14px;padding:24px;font-size:14px}
.note-card h3{font-size:16px;margin-bottom:12px}
.note-card li{padding:5px 0;display:flex;gap:9px;font-size:13.5px}
.note-audit{background:var(--green-50);border:1px solid #cfe8c8;color:#2c4a35}
.note-audit h3{color:var(--green-800)}
.note-audit li::before{content:"·";color:var(--green-600);font-weight:800}
.note-risk{background:#fffbeb;border:1px solid #fde68a;color:#78450f}
.note-risk h3{color:#92400e}
.note-risk li::before{content:"·";color:var(--amber-600);font-weight:800}

/* ---------- 关于我们 ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.about-copy p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.about-media{background:linear-gradient(160deg,#e7f3df,#cfe8c2);border-radius:20px;min-height:360px;position:relative;overflow:hidden;border:1px solid var(--line)}
.media-cap{position:absolute;left:16px;bottom:14px;background:rgba(255,255,255,.85);backdrop-filter:blur(4px);border-radius:10px;padding:6px 14px;font-size:12px;font-weight:600;color:var(--green-800)}
.mini-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 24px;box-shadow:var(--shadow-sm)}
.mini-stats strong{font-size:30px;color:var(--green-700);display:block;line-height:1.3}
.mini-stats span{font-size:13px;color:var(--muted)}

.timeline{max-width:780px;margin:0 auto}
.tl-item{position:relative;padding:0 0 40px 110px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:86px;top:14px;bottom:-4px;width:2px;background:#cfe3c9}
.tl-item:last-child::before{display:none}
.tl-year{position:absolute;left:0;top:0;background:var(--green-600);color:#fff;padding:4px 0;width:64px;text-align:center;border-radius:999px;font-weight:700;font-size:13.5px}
.tl-dot{position:absolute;left:79px;top:9px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--green-600)}
.tl-item h3{font-size:17px;color:var(--green-900);margin-bottom:4px}
.tl-item p{font-size:14px;color:var(--muted)}

.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.honor{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:14px;align-items:center;transition:.3s}
.honor:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.honor .icon-wrap{margin:0;width:46px;height:46px}
.honor strong{font-size:14.5px;color:var(--green-900);display:block;line-height:1.5}
.honor span{font-size:12px;color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:36px;align-items:start}
.contact-item{display:flex;gap:14px;margin-bottom:20px}
.contact-item .icon-wrap{margin:0;width:44px;height:44px}
.contact-item h4{font-size:14.5px;color:var(--green-900);margin-bottom:2px}
.contact-item p{font-size:13.5px;color:var(--muted)}
.contact-form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow-sm)}
.map-box{margin-top:36px;height:260px;border-radius:18px;overflow:hidden;border:1px solid var(--line);position:relative;background:linear-gradient(135deg,#e4f0dc,#cfe6c4)}
.map-label{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);background:#fff;border-radius:12px;padding:10px 18px;font-size:13px;font-weight:700;color:var(--green-900);box-shadow:var(--shadow-md);display:flex;gap:8px;align-items:center}
.map-label svg{color:#dc2626}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px}
.page-btn{min-width:38px;height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;color:#41544a;transition:.2s}
.page-btn:hover{border-color:var(--green-500);color:var(--green-700)}
.page-btn.active{background:var(--green-600);color:#fff;border-color:var(--green-600)}

/* ---------- 订阅 ---------- */
.newsletter{background:linear-gradient(120deg,#14532d,#2f8f4e);border-radius:20px;padding:40px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.newsletter h3{font-size:22px;margin-bottom:4px}
.newsletter p{font-size:13.5px;opacity:.9}
.newsletter form{display:flex;gap:10px;flex:1;max-width:420px;min-width:280px}
.newsletter input{flex:1;padding:12px 16px;border-radius:999px;border:none;font-size:14px}
.newsletter input:focus{outline:2px solid #a7f3d0}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 24px 18px;gap:4px;box-shadow:var(--shadow-lg);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;z-index:60}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav-toggle{display:flex}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .hero-visual{max-width:540px;margin:0 auto;width:100%}
  .chip2{right:0}
  .chip1{left:0}
  .chain-row{grid-template-columns:1fr;gap:24px}
  .chain-row.flip .chain-visual{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .monitor-panel{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .about-media{min-height:260px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mini-stats{grid-template-columns:repeat(2,1fr)}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .stats-band .stat strong{font-size:32px}
  .section{padding:64px 0}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.dual-cards{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .section-title{font-size:25px}
  .page-banner h1{font-size:27px}
  .form-grid{grid-template-columns:1fr}
  .stats-band .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .project-stats{gap:18px}
  .float-chip{font-size:12px;padding:6px 10px}
}

/* ===== 资讯正文弹层（news.html 官网文章详情） ===== */
.news-modal{display:none;position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:1200;align-items:center;justify-content:center;padding:20px}
.news-modal.show{display:flex}
.nm-panel{background:#fff;border-radius:14px;max-width:720px;width:100%;max-height:82vh;overflow-y:auto;padding:28px 26px;position:relative;animation:nmIn .22s ease}
@keyframes nmIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.nm-panel p{color:#374151;font-size:15px;line-height:1.9;margin:0 0 12px}
.nm-close{position:absolute;top:10px;right:12px;width:36px;height:36px;border:0;background:#f3f4f6;border-radius:50%;font-size:20px;color:#6b7280;cursor:pointer;line-height:1}
.nm-close:hover{background:#e5e7eb;color:#111827}
@media (max-width:640px){.nm-panel{padding:22px 16px;max-height:86vh}}

/* ===== 手机端体验增强（≤640）：触控目标 + iOS 输入不自动放大 ===== */
@media (max-width:640px){
  .btn{padding:13px 22px;min-height:46px;font-size:16px}
  .btn-sm{padding:11px 18px;min-height:40px;font-size:14px}
  .nav-toggle{padding:12px;min-width:46px;min-height:46px}
  .nav-toggle span{width:24px}
  .logo-text small{font-size:11px}
  .tab-btn{padding:10px 16px;min-height:42px}
  .field input,.field select,.field textarea,.newsletter input{font-size:16px}
  .hero{padding:40px 0 52px}
}