/* ============================================================
   河北元九农业发展有限公司 · 官网样式
   风格：清新 · 高级 · 商务
   主色取自《河北净菜VIS》：标准绿 #30A243 / 深绿 #038A43
   ============================================================ */

:root{
  --bg:        #FAF8F1;   /* 米白暖底 */
  --paper:     #FFFFFF;
  --ink:       #1E2B22;   /* 墨绿近黑 */
  --muted:     #66716A;
  --brand:     #30A243;   /* VIS 标准绿 */
  --deep:      #0E6B33;   /* 深绿 */
  --forest:    #0B3D22;   /* 墨绿（页脚/深色带） */
  --gold:      #C99A3F;   /* 点缀金 */
  --line:      #E6E0D0;
  --radius:    14px;
  --shadow:    0 18px 40px -22px rgba(11,61,34,.28);
  --serif:     "Noto Serif SC","Source Han Serif SC","Source Han Serif CN","Songti SC","STSong","SimSun",serif;
  --sans:      -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 28px}

/* ---------- 顶部提示条 ---------- */
.topbar{
  background:var(--forest);
  color:#DCE8DD;
  font-size:13px;
  letter-spacing:.06em;
  text-align:center;
  padding:8px 16px;
}
.topbar b{color:#F0D9A8;font-weight:600}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,241,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo img{height:52px;width:auto}
.nav-toggle{display:none}
.nav-toggle-label{display:none;cursor:pointer;font-size:26px;line-height:1;padding:6px 10px}
nav.menu ul{display:flex;gap:6px;align-items:center}
nav.menu a{
  display:block;padding:10px 16px;font-size:15.5px;letter-spacing:.04em;
  border-radius:8px;color:#33413A;transition:color .2s,background .2s;
}
nav.menu a:hover{color:var(--deep);background:rgba(48,162,67,.08)}
nav.menu a.active{color:var(--deep);font-weight:600}
nav.menu a.nav-cta{
  margin-left:14px;background:var(--deep);color:#fff;padding:10px 22px;
  border-radius:999px;font-weight:500;
}
nav.menu a.nav-cta:hover{background:var(--forest);color:#fff}

/* ---------- 通用节 ---------- */
section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--deep);font-size:13.5px;letter-spacing:.32em;font-weight:600;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
h1,h2,h3{font-family:var(--serif);font-weight:700;color:var(--ink)}
h2.sec-title{font-size:38px;line-height:1.35;margin-bottom:16px;letter-spacing:.02em}
.sec-lead{color:var(--muted);max-width:720px;font-size:16.5px}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-head.center .sec-lead{margin:0 auto}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.center .eyebrow::before{display:none}

/* ---------- Hero ---------- */
.hero{padding:88px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:72px;align-items:center}
.hero-kicker{
  display:inline-block;border:1px solid rgba(14,107,51,.35);color:var(--deep);
  font-size:13px;letter-spacing:.18em;padding:7px 18px;border-radius:999px;margin-bottom:26px;
  background:rgba(48,162,67,.06);
}
.hero h1{font-size:52px;line-height:1.28;letter-spacing:.02em;margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--deep)}
.hero p.lead{color:#4C594F;font-size:17px;max-width:520px;margin-bottom:38px}
.btn-row{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:14px 34px;border-radius:999px;font-size:15.5px;
  letter-spacing:.08em;transition:all .25s;
}
.btn-primary{background:var(--deep);color:#fff;box-shadow:0 10px 24px -10px rgba(14,107,51,.5)}
.btn-primary:hover{background:var(--forest);transform:translateY(-2px)}
.btn-ghost{border:1px solid #B8C4B4;color:#33413A}
.btn-ghost:hover{border-color:var(--deep);color:var(--deep)}
.hero-figure{position:relative}
.hero-figure .ph{
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.hero-figure .ph img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:-34px;bottom:-30px;width:132px;padding:14px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.hero-badge img{width:100%}
.hero-badge span{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:6px;letter-spacing:.05em}
.hero-note{
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;gap:38px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;letter-spacing:.03em;
}
.hero-note b{display:block;font-family:var(--serif);font-size:22px;color:var(--ink);letter-spacing:0}

/* ---------- 数字带 ---------- */
.stats-band{background:var(--forest);color:#EAF2EA;padding:72px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center}
.stat b{
  display:block;font-family:var(--serif);font-size:46px;color:#F0D9A8;
  line-height:1.2;margin-bottom:8px;
}
.stat b small{font-size:20px;margin-left:2px}
.stat span{font-size:14.5px;color:#B9CDBB;letter-spacing:.08em}

/* ---------- 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 34px;transition:transform .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .num{
  font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.2em;margin-bottom:16px;display:block;
}
.card h3{font-size:20.5px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}

/* 图片卡 */
.photo-card{border-radius:var(--radius);overflow:hidden;background:var(--paper);border:1px solid var(--line)}
.photo-card .pic{aspect-ratio:4/3;overflow:hidden}
.photo-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.photo-card:hover .pic img{transform:scale(1.05)}
.photo-card .cap{padding:20px 24px}
.photo-card .cap h3{font-size:18px;margin-bottom:6px}
.photo-card .cap p{font-size:14px;color:var(--muted)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split .pic{border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.split .pic img{width:100%;height:100%;object-fit:cover}
.split.rev .pic{order:2}
.checklist li{
  padding:13px 0 13px 34px;position:relative;border-bottom:1px dashed var(--line);
  color:#3C4A40;font-size:15.5px;
}
.checklist li:last-child{border-bottom:none}
.checklist li::before{
  content:"";position:absolute;left:2px;top:22px;width:16px;height:16px;
  background:var(--brand);
  -webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M6.5 12.2 2.3 8l1.4-1.4 2.8 2.8 5.8-5.8L13.7 5z"/></svg>') center/contain no-repeat;
  mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M6.5 12.2 2.3 8l1.4-1.4 2.8 2.8 5.8-5.8L13.7 5z"/></svg>') center/contain no-repeat;
}
.checklist li b{color:var(--ink)}

/* ---------- 品质体系四联 ---------- */
.pill-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.pill{
  border:1px solid rgba(14,107,51,.3);color:var(--deep);border-radius:999px;
  padding:8px 20px;font-size:14px;letter-spacing:.1em;background:rgba(48,162,67,.05);
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:840px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:118px;top:6px;bottom:6px;width:1px;background:var(--line);
}
.tl-item{display:grid;grid-template-columns:96px 44px 1fr;margin-bottom:38px}
.tl-item .year{
  font-family:var(--serif);font-size:22px;color:var(--deep);text-align:right;line-height:1.4;
}
.tl-item .dot{position:relative}
.tl-item .dot::before{
  content:"";position:absolute;left:18px;top:12px;width:9px;height:9px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(201,154,63,.18);
}
.tl-item .body h3{font-size:18px;margin-bottom:6px}
.tl-item .body p{color:var(--muted);font-size:14.5px}

/* ---------- 渠道墙 ---------- */
.partner-wall{display:flex;flex-wrap:wrap;gap:14px}
.partner-wall span{
  background:var(--paper);border:1px solid var(--line);border-radius:10px;
  padding:12px 26px;font-size:15px;color:#3C4A40;letter-spacing:.05em;
}

/* ---------- 页内横幅 CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--forest) 0%,#11552F 60%,#186A3B 100%);
  border-radius:22px;color:#fff;padding:64px 72px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-band p{color:#C4D6C6;font-size:15px;max-width:560px}
.cta-band .btn-primary{background:#fff;color:var(--forest)}
.cta-band .btn-primary:hover{background:#F0D9A8;transform:translateY(-2px)}

/* ---------- 子页头图 ---------- */
.page-hero{
  padding:88px 0 72px;
  background:
    radial-gradient(1100px 380px at 88% -8%,rgba(48,162,67,.14),transparent 60%),
    radial-gradient(700px 320px at 4% 110%,rgba(201,154,63,.12),transparent 60%);
  border-bottom:1px solid var(--line);
}
.page-hero .crumb{font-size:13.5px;color:var(--muted);letter-spacing:.12em;margin-bottom:20px}
.page-hero .crumb a:hover{color:var(--deep)}
.page-hero h1{font-size:44px;letter-spacing:.03em;margin-bottom:16px}
.page-hero p{color:var(--muted);max-width:700px;font-size:16.5px}

/* ---------- 文章段落 ---------- */
.prose{max-width:820px;font-size:16.5px;color:#374439}
.prose p{margin-bottom:22px;text-align:justify}

/* 使命愿景 */
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.mvv .card{text-align:center;padding:48px 34px}
.mvv .card .zh{
  font-family:var(--serif);font-size:15px;letter-spacing:.4em;color:var(--gold);margin-bottom:18px;display:block;
}
.mvv .card h3{font-size:22px;margin-bottom:14px}

/* ---------- 八维价值 ---------- */
.dims{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dim{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;text-align:center;transition:transform .25s,box-shadow .25s;
}
.dim:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.dim b{
  display:inline-grid;place-items:center;width:56px;height:56px;border-radius:50%;
  font-family:var(--serif);font-size:24px;color:#fff;background:var(--deep);margin-bottom:14px;
}
.dim h3{font-size:16.5px;margin-bottom:6px}
.dim p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
th{
  background:rgba(14,107,51,.06);font-family:var(--serif);font-size:15.5px;color:var(--forest);
  text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);letter-spacing:.05em;
}
td{padding:15px 22px;border-bottom:1px solid #EFEAE0;color:#3C4A40}
tr:last-child td{border-bottom:none}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:42px}
.contact-card h3{font-size:20px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.contact-card li{display:flex;gap:14px;padding:10px 0;font-size:15.5px;color:#3C4A40}
.contact-card li b{color:var(--muted);font-weight:500;flex-shrink:0;min-width:76px}

/* ---------- 页脚 ---------- */
footer{background:var(--forest);color:#AFC4B1;margin-top:40px}
.foot-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding:72px 0 56px}
.foot-brand h3{color:#fff;font-size:22px;letter-spacing:.1em;margin-bottom:14px}
.foot-brand p{font-size:13.5px;line-height:2}
.foot-col h4{
  color:#E8EFE8;font-size:14.5px;letter-spacing:.16em;margin-bottom:20px;font-weight:600;
}
.foot-col a{display:block;padding:5px 0;font-size:14px;color:#AFC4B1;transition:color .2s}
.foot-col a:hover{color:#F0D9A8}
.foot-col p{font-size:14px;line-height:2.2}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0;font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7E9B84;
}

/* ---------- 证书展示 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-grid .photo-card .pic{
  aspect-ratio:3/4;background:#F6F3EA;display:grid;place-items:center;padding:18px;
}
.cert-grid .photo-card .pic img{width:100%;height:100%;object-fit:contain}
.cert-grid .photo-card.feature{border-color:rgba(14,107,51,.35);box-shadow:0 14px 34px -20px rgba(11,61,34,.4)}
.cert-grid .cap h3{font-size:16px}
.cert-grid .cap p{font-size:13px}
@media (max-width:900px){.cert-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cert-grid{grid-template-columns:1fr}}

/* ---------- 引言带 ---------- */
.quote-band{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:76px 0;text-align:center;
}
.quote-band .q{
  font-family:var(--serif);font-size:27px;color:var(--forest);letter-spacing:.1em;
  line-height:1.9;max-width:760px;margin:0 auto;
}
.quote-band .src{margin-top:18px;color:var(--muted);font-size:13.5px;letter-spacing:.2em}

/* ---------- 新闻 ---------- */
.news-card{display:flex;flex-direction:column}
.news-card .meta{font-size:12.5px;color:var(--gold);letter-spacing:.14em;margin-bottom:14px}
.news-card h3{font-size:19px;line-height:1.55;margin-bottom:12px}
.news-card p{color:var(--muted);font-size:14.5px;flex:1}
.news-card .more{margin-top:18px;color:var(--deep);font-size:14px;letter-spacing:.06em}
.article{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:56px 64px;max-width:900px;margin:0 auto 44px;
}
.article .a-meta{color:var(--gold);font-size:13px;letter-spacing:.16em;margin-bottom:14px}
.article h2{font-family:var(--serif);font-size:29px;line-height:1.5;margin-bottom:8px}
.article .a-sub{color:var(--muted);font-size:14.5px;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article p{color:#374439;font-size:15.5px;margin-bottom:18px;text-align:justify}
.article h3{font-size:18.5px;margin:30px 0 12px;color:var(--forest)}
.article blockquote{
  border-left:3px solid var(--brand);background:rgba(48,162,67,.05);
  padding:16px 24px;margin:22px 0;color:#3C4A40;font-size:15px;border-radius:0 10px 10px 0;
}
@media (max-width:680px){.article{padding:34px 24px}}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid,.split{grid-template-columns:1fr;gap:44px}
  .split.rev .pic{order:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.mvv{grid-template-columns:1fr 1fr}
  .dims{grid-template-columns:repeat(2,1fr)}
  .foot-main{grid-template-columns:1fr 1fr}
  .hero h1{font-size:42px}
}
@media (max-width:680px){
  section{padding:64px 0}
  .container{padding:0 20px}
  .nav-wrap{height:70px}
  .logo img{height:42px}
  .nav-toggle-label{display:block}
  nav.menu{
    position:absolute;left:0;right:0;top:100%;background:var(--bg);
    border-bottom:1px solid var(--line);display:none;padding:10px 20px 24px;
  }
  nav.menu ul{flex-direction:column;align-items:stretch;gap:2px}
  nav.menu a.nav-cta{margin-left:0;margin-top:10px;text-align:center}
  .nav-toggle:checked ~ nav.menu{display:block}
  .grid-3,.grid-2,.mvv,.contact-grid{grid-template-columns:1fr}
  .dims{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  h2.sec-title{font-size:29px}
  .page-hero h1{font-size:33px}
  .cta-band{padding:44px 30px}
  .timeline::before{left:86px}
  .tl-item{grid-template-columns:70px 34px 1fr}
  .hero-badge{left:12px;bottom:-24px;width:104px}
  .foot-main{grid-template-columns:1fr;gap:32px}
}