/* ===== 楚梦泽新能源 官网样式 ===== */
:root{
  --green:#14663B;
  --green-dark:#0E4D2C;
  --green-light:#1F8550;
  --gold:#E0A93B;
  --bg:#FFFFFF;
  --bg-alt:#F5F8F5;
  --ink:#1C2B22;
  --muted:#6B7B72;
  --line:#E4ECE6;
  --radius:16px;
  --shadow:0 18px 50px -24px rgba(13,77,44,.35);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 24px -12px rgba(20,102,59,.7)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;
  transition:.3s ease;padding:14px 0}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  box-shadow:0 6px 24px -18px rgba(0,0,0,.4);padding:8px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;transition:.3s}
.site-header.scrolled .brand{color:var(--ink)}
.logo{width:38px;height:38px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:2px;opacity:.8}
.nav-links{display:flex;gap:26px}
.nav-links a{color:#fff;font-size:15px;opacity:.92;position:relative;transition:.25s}
.site-header.scrolled .nav-links a{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--gold);transition:.25s}
.nav-links a:hover::after{width:100%}
.nav-cta{color:#fff!important;background:var(--green)}
.site-header.scrolled .nav-cta{background:var(--green)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}
.site-header.scrolled .nav-toggle{color:var(--ink)}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(135deg,#0E4D2C 0%,#14663B 55%,#1F8550 100%);
  color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(circle at 80% 20%,#fff 0 2px,transparent 3px),
    radial-gradient(circle at 20% 70%,#fff 0 1.5px,transparent 2.5px),
    radial-gradient(circle at 60% 90%,#fff 0 2px,transparent 3px);
  background-size:240px 240px,180px 180px,300px 300px}
.hero-inner{position:relative;z-index:2;padding:120px 0 80px;max-width:780px}
.hero-eyebrow{display:inline-block;letter-spacing:3px;font-size:13px;
  text-transform:uppercase;color:var(--gold);margin-bottom:18px;
  border:1px solid rgba(224,169,59,.5);padding:6px 14px;border-radius:999px}
.hero-title{font-size:clamp(34px,6vw,62px);line-height:1.18;font-weight:800;letter-spacing:1px}
.hero-sub{margin:22px 0 34px;font-size:clamp(15px,2vw,19px);opacity:.92;max-width:620px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* 数据统计 */
.stats{background:var(--bg-alt);padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:-60px;position:relative;z-index:5;
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:34px 24px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--green);line-height:1}
.stat .label{margin-top:8px;color:var(--muted);font-size:14px}

/* 通用 section */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:48px}
.section-head.center{text-align:center}
.section-tag{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--green);
  font-weight:700;text-transform:uppercase;margin-bottom:10px}
.section-tag.light{color:var(--gold)}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--ink)}
.section-lead{margin-top:12px;color:var(--muted);font-size:16px}

/* 关于 */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about-desc{font-size:17px;color:#33433b;line-height:1.9}
.about-points{list-style:none;margin-top:24px;display:grid;gap:14px}
.about-points li{position:relative;padding-left:30px;font-size:15px;color:#33433b}
.about-points li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;
  border-radius:4px;background:var(--green);transform:rotate(45deg)}
.about-points li::after{content:"";position:absolute;left:5px;top:11px;width:4px;height:4px;
  border-radius:50%;background:#fff}

/* 卡片（业务） */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.28s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .tag{display:inline-block;font-size:12px;color:var(--green);background:var(--bg-alt);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;font-weight:600}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;line-height:1.7}
.card .feats{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.card .feats span{font-size:12px;color:var(--green-dark);background:#EAF3EC;
  padding:4px 10px;border-radius:8px}

/* 优势 */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv{display:flex;gap:16px;align-items:flex-start;padding:22px;
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
.adv:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.adv .ico{width:46px;height:46px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,var(--green),var(--green-light));
  display:flex;align-items:center;justify-content:center;color:#fff}
.adv h4{font-size:17px;margin-bottom:6px}
.adv p{color:var(--muted);font-size:14px;line-height:1.6}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;position:relative}
.step .step-no{font-size:30px;font-weight:800;color:#D8E6DD}
.step h4{font-size:17px;margin:6px 0 10px}
.step p{color:var(--muted);font-size:13.5px;line-height:1.6}

/* 案例 */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:.25s;position:relative}
.case:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.case .meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:12px}
.case .meta .badge{background:var(--bg-alt);color:var(--green);padding:3px 10px;border-radius:999px;font-weight:600}
.case h3{font-size:19px;margin-bottom:8px}
.case p{color:var(--muted);font-size:14px;line-height:1.7}
.case .cap{margin-top:16px;font-weight:700;color:var(--green)}

/* 新闻 */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.25s}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news-item .cat{font-size:12px;color:var(--gold);font-weight:700}
.news-item .date{font-size:13px;color:var(--muted);float:right}
.news-item h3{font-size:17px;margin:14px 0 10px;line-height:1.5;min-height:48px}
.news-item p{color:var(--muted);font-size:14px;line-height:1.7}

/* 联系 */
.contact{background:linear-gradient(135deg,#0E4D2C,#14663B);color:#fff}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.contact-info h2{font-size:clamp(26px,3.4vw,36px);margin:14px 0 16px}
.contact-info>p{opacity:.9;max-width:440px}
.contact-list{list-style:none;margin-top:26px;display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:center;font-size:15px}
.contact-list .ci{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.contact-form{background:#fff;border-radius:var(--radius);padding:32px;color:var(--ink);
  box-shadow:var(--shadow)}
.contact-form .field{margin-bottom:14px}
.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);
  border-radius:10px;padding:13px 14px;font-size:15px;font-family:inherit;outline:none;transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--green)}
.contact-form textarea{resize:vertical}
.form-tip{margin-top:12px;font-size:14px;color:var(--green);min-height:20px}

/* 页脚 */
.site-footer{background:#0E4D2C;color:#cfe3d6;padding:56px 0 0}
.footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;gap:14px;align-items:center}
.footer-brand .logo{width:42px;height:42px}
.footer-brand strong{color:#fff;font-size:18px}
.footer-brand p{font-size:11px;letter-spacing:2px;opacity:.7}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-cols a,.footer-cols span{display:block;color:#cfe3d6;font-size:14px;margin-bottom:9px;opacity:.85}
.footer-cols a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center}
.admin-link{color:var(--gold)!important}

/* 响应式 */
@media(max-width:980px){
  .about,.contact-inner{grid-template-columns:1fr;gap:30px}
  .cards,.adv-grid,.news{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .cases{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:8px 0;box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links a{color:var(--ink);padding:12px 24px}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .stats-grid{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .stat:nth-child(2){border-right:0}
  .cards,.adv-grid,.news,.process{grid-template-columns:1fr}
  .section{padding:64px 0}
}