@charset "utf-8";
/* ============================================================
   中原茶乡 · 桐柏  —  全站统一绿色茶道主题样式
   墨绿 / 茶绿 / 嫩绿 / 宣纸米白 / 淡金
   ============================================================ */
:root{
  --ink:#1d3b2b;          /* 墨绿(深色底) */
  --ink-2:#16302380;
  --tea:#2e7d4f;          /* 主茶绿 */
  --tea-d:#236339;        /* 深茶绿 */
  --tea-l:#3f9b66;        /* 亮茶绿 */
  --sprout:#9ccc65;       /* 嫩嫩绿 */
  --jade:#dcebd0;         /* 茶汤高光 */
  --paper:#f6f4ec;        /* 宣纸米白 */
  --paper-2:#fbfaf5;
  --ink-txt:#2a3a2f;      /* 正文墨色 */
  --gray:#6c7a6f;
  --line:#e3e7da;
  --gold:#b89a5f;         /* 淡金点缀 */
  --white:#ffffff;
  --shadow:0 10px 34px rgba(29,59,43,.10);
  --shadow-sm:0 4px 14px rgba(29,59,43,.08);
  --radius:12px;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink-txt);
  background:var(--paper);
  line-height:1.8;
  font-size:15px;
  letter-spacing:.3px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .3s,background .3s,opacity .3s}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.4;color:var(--ink)}
.container{width:min(1200px,92%);margin:0 auto}
.text-center{text-align:center}

/* ============ 顶部通栏 ============ */
.topbar{background:var(--ink);color:#cfe0d2;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a:hover{color:var(--sprout)}
.topbar .tb-r span{margin-left:22px}
.topbar .tb-r i{color:var(--sprout);font-style:normal;margin-right:5px}

/* ============ 头部 / 导航（保留六组下拉交互动画） ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:linear-gradient(120deg,rgba(22,48,35,.96),rgba(30,74,50,.94));
  box-shadow:0 2px 18px rgba(0,0,0,.18);
  backdrop-filter:blur(6px);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo .seal{
  width:46px;height:46px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,var(--sprout),var(--tea-l));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:25px;color:#15301f;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
}
.logo .lg-cn{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:3px;line-height:1.2}
.logo .lg-en{font-family:"Raleway",sans-serif;font-size:10.5px;letter-spacing:2.4px;color:#a9cbb4;text-transform:uppercase}

nav .main{display:flex;justify-content:center}
.main>li{position:relative}
.main>li>a{
  display:block;padding:27px 17px 26px;
  color:#eaf4ec;font-size:15.5px;letter-spacing:2px;
  font-family:var(--serif);
  border-bottom:3px solid transparent;
}
.main>li:hover>a,.main>li.active>a{color:#fff;background:rgba(255,255,255,.07);border-bottom-color:var(--sprout)}
.main>li>a .en{display:block;font-family:"Raleway",sans-serif;font-size:9px;letter-spacing:1.5px;color:#8fb79c;text-align:center;margin-top:1px}
.drop{
  position:absolute;left:50%;top:100%;transform:translateX(-50%);
  min-width:158px;padding:6px 0;
  background:rgba(22,48,35,.97);
  border:1px solid rgba(156,204,101,.25);border-top:2px solid var(--sprout);
  border-radius:0 0 10px 10px;
  box-shadow:0 16px 30px rgba(0,0,0,.28);
  visibility:hidden;
}
.main>li:hover .drop{visibility:visible}
.drop li{opacity:0;transform-origin:top center}
.drop li a{
  display:block;padding:9px 20px;color:#cfe0d2;font-size:14px;letter-spacing:1.5px;
  text-align:center;border-bottom:1px dashed rgba(255,255,255,.08);
  font-family:var(--serif);
}
.drop li:last-child a{border-bottom:0}
.drop li a:hover{background:var(--tea);color:#fff}
/* menu1 旋转飞入 */
.main li:hover .menu1 li{animation:m1 .35s ease-in-out forwards}
.main li:hover .menu1 li:nth-child(1){animation-delay:.05s}
.main li:hover .menu1 li:nth-child(2){animation-delay:.13s}
.main li:hover .menu1 li:nth-child(3){animation-delay:.21s}
.main li:hover .menu1 li:nth-child(4){animation-delay:.29s}
@keyframes m1{from{opacity:0;transform:translateX(28px) rotateY(90deg)}to{opacity:1;transform:translateX(0) rotateY(0)}}
/* menu2 缩放 */
.main li:hover .menu2 li{animation:m2 .35s ease-in-out forwards}
.main li:hover .menu2 li:nth-child(1){animation-delay:.05s}
.main li:hover .menu2 li:nth-child(2){animation-delay:.13s}
.main li:hover .menu2 li:nth-child(3){animation-delay:.21s}
.main li:hover .menu2 li:nth-child(4){animation-delay:.29s}
@keyframes m2{0%{opacity:0;transform:scale(.6)}60%{opacity:.6;transform:scale(1.08)}100%{opacity:1;transform:scale(1)}}
/* menu3 侧滑 */
.main li:hover .menu3 li{animation:m3 .35s ease-in-out forwards}
.main li:hover .menu3 li:nth-child(1){animation-delay:.05s}
.main li:hover .menu3 li:nth-child(2){animation-delay:.13s}
.main li:hover .menu3 li:nth-child(3){animation-delay:.21s}
.main li:hover .menu3 li:nth-child(4){animation-delay:.29s}
@keyframes m3{from{opacity:0;transform:translateX(-22px)}to{opacity:1;transform:translateX(0)}}
/* menu4 翻转 */
.main li:hover .menu4 li{animation:m4 .35s ease-in-out forwards}
.main li:hover .menu4 li:nth-child(1){animation-delay:.05s}
.main li:hover .menu4 li:nth-child(2){animation-delay:.13s}
.main li:hover .menu4 li:nth-child(3){animation-delay:.21s}
.main li:hover .menu4 li:nth-child(4){animation-delay:.29s}
@keyframes m4{from{opacity:0;transform:translateX(40px) rotate(-90deg)}to{opacity:1;transform:translateX(0) rotate(0)}}
/* menu5 翻立 */
.main li:hover .menu5 li{animation:m5 .35s ease-in-out forwards}
.main li:hover .menu5 li:nth-child(1){animation-delay:.05s}
.main li:hover .menu5 li:nth-child(2){animation-delay:.13s}
.main li:hover .menu5 li:nth-child(3){animation-delay:.21s}
.main li:hover .menu5 li:nth-child(4){animation-delay:.29s}
@keyframes m5{from{opacity:0;transform:rotateX(-90deg)}to{opacity:1;transform:rotateX(0)}}
/* menu6 绽放 */
.main li:hover .menu6 li{animation:m6 .35s ease-in-out forwards}
.main li:hover .menu6 li:nth-child(1){animation-delay:.03s}
.main li:hover .menu6 li:nth-child(2){animation-delay:.09s}
.main li:hover .menu6 li:nth-child(3){animation-delay:.15s}
.main li:hover .menu6 li:nth-child(4){animation-delay:.21s}
@keyframes m6{from{opacity:0;transform:scale(1.8)}to{opacity:1;transform:scale(1)}}

/* 汉堡按钮 */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;position:relative}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;border-radius:2px;transition:.3s}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 首页轮播 Hero ============ */
.hero{position:relative;height:600px;overflow:hidden;background:var(--ink)}
.hero .slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.2s ease;
  display:flex;align-items:center;
}
.hero .slide.on{opacity:1}
.hero .slide::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,43,30,.82) 0%,rgba(24,58,40,.55) 45%,rgba(24,58,40,.18) 100%);
}
.hero-inner{position:relative;z-index:2;color:#fff;width:min(1200px,92%);margin:0 auto}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Raleway",sans-serif;letter-spacing:4px;font-size:13px;color:var(--sprout);
  text-transform:uppercase;margin-bottom:18px;
}
.hero-kicker::before{content:"";width:38px;height:1px;background:var(--sprout)}
.hero h2{
  color:#fff;font-size:52px;letter-spacing:6px;line-height:1.35;margin-bottom:20px;
  text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero h2 small{display:block;font-size:20px;letter-spacing:8px;color:#d8e8d6;margin-top:12px;font-weight:400}
.hero p.lead{font-size:16.5px;color:#e2ede2;max-width:600px;margin-bottom:34px;line-height:2}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{position:absolute;z-index:5;bottom:26px;left:0;right:0;display:flex;justify-content:center;gap:10px}
.hero-dots button{
  width:34px;height:4px;border:0;border-radius:3px;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s;text-indent:-999px;
}
.hero-dots button.on{background:var(--sprout);width:52px}
.hero-arrow{
  position:absolute;z-index:5;top:50%;transform:translateY(-50%);
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  background:rgba(22,48,35,.35);color:#fff;font-size:20px;cursor:pointer;transition:.3s;
}
.hero-arrow:hover{background:var(--tea);border-color:var(--tea)}
.hero-arrow.prev{left:26px}.hero-arrow.next{right:26px}

/* ============ 内页横幅 ============ */
.page-hero{
  position:relative;height:340px;background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;
}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,43,30,.55),rgba(18,43,30,.78))}
.page-hero .ph-inner{position:relative;z-index:2;padding:0 20px}
.page-hero h1{color:#fff;font-size:40px;letter-spacing:8px;margin-bottom:12px;text-shadow:0 3px 18px rgba(0,0,0,.4)}
.page-hero .crumb{font-size:13.5px;color:#cfe0d2;letter-spacing:2px}
.page-hero .crumb a:hover{color:var(--sprout)}
.page-hero .ph-sep{margin:0 10px;color:var(--sprout)}
.page-hero .ph-en{font-family:"Raleway",sans-serif;letter-spacing:5px;font-size:12px;color:var(--sprout);text-transform:uppercase;margin-bottom:10px}

/* ============ 通用区块 ============ */
section{padding:72px 0}
.section-head{text-align:center;margin-bottom:48px}
.section-head .sh-en{font-family:"Raleway",sans-serif;letter-spacing:5px;font-size:12px;color:var(--tea-l);text-transform:uppercase}
.section-head h2{font-size:32px;letter-spacing:5px;margin:8px 0 14px;position:relative;display:inline-block}
.section-head h2::after{
  content:"";display:block;width:56px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--sprout),var(--tea));margin:14px auto 0;
}
.section-head p{color:var(--gray);font-size:14.5px;max-width:680px;margin:0 auto}
.sec-soft{background:var(--paper-2)}
.sec-green{background:linear-gradient(160deg,var(--ink),var(--tea-d));color:#dfeadf}
.sec-green h2,.sec-green h3{color:#fff}
.sec-green .section-head .sh-en{color:var(--sprout)}
.sec-green .section-head p{color:#bcd0bf}

/* 按钮 */
.btn{
  display:inline-block;padding:13px 34px;border-radius:30px;font-size:15px;letter-spacing:3px;
  font-family:var(--serif);cursor:pointer;border:1px solid transparent;transition:.35s;
}
.btn-primary{background:linear-gradient(120deg,var(--tea-l),var(--tea));color:#fff;box-shadow:0 8px 20px rgba(46,125,79,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(46,125,79,.42)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--tea-d)}
.btn-line{border-color:var(--tea);color:var(--tea-d);background:transparent}
.btn-line:hover{background:var(--tea);color:#fff}
.btn-gold{background:linear-gradient(120deg,#cbb07f,var(--gold));color:#fff}

/* ============ 数据条（悬浮卡片） ============ */
.stats-wrap{position:relative;z-index:10;margin-top:-58px;padding-bottom:10px}
.stat-strip{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.stat-strip .st{padding:34px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-strip .st:last-child{border-right:0}
.stat-strip .st b{
  font-family:"Raleway",sans-serif;font-size:40px;font-weight:700;
  color:var(--tea-d);display:block;line-height:1.1;
}
.stat-strip .st b em{font-style:normal;font-size:15px;color:var(--gray);margin-left:3px;font-family:var(--sans)}
.stat-strip .st span{font-size:14px;color:var(--gray);letter-spacing:2px}

/* ============ 首页 · 茶乡简介 ============ */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}
.about-img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img img{width:100%;height:440px;object-fit:cover;transition:transform 6s ease}
.about-img:hover img{transform:scale(1.07)}
.about-img::after{
  content:"淮源茗韵";position:absolute;left:18px;bottom:18px;
  font-family:var(--serif);color:#fff;font-size:20px;letter-spacing:6px;
  padding:8px 18px;border:1px solid rgba(255,255,255,.55);border-radius:4px;
  background:rgba(22,48,35,.42);backdrop-filter:blur(3px);
}
.about-text h3{font-size:26px;letter-spacing:3px;margin-bottom:8px}
.about-text .at-en{color:var(--tea-l);font-family:"Raleway",sans-serif;font-size:12px;letter-spacing:3px;margin-bottom:20px;text-transform:uppercase}
.about-text p{margin-bottom:16px;color:#44544a;text-align:justify}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 28px}
.about-feats li{
  display:flex;align-items:center;gap:10px;font-size:14.5px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:10px 14px;
}
.about-feats li::before{content:"❖";color:var(--tea-l);font-size:13px}

/* ============ 品牌卡片（首页+品牌页通用） ============ */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.brand-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:.4s;border:1px solid var(--line);
}
.brand-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.brand-card .bc-img{position:relative;height:230px;overflow:hidden}
.brand-card .bc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.brand-card:hover .bc-img img{transform:scale(1.1)}
.brand-card .bc-tag{
  position:absolute;top:14px;left:14px;background:rgba(22,48,35,.78);color:var(--sprout);
  font-size:12px;letter-spacing:2px;padding:4px 12px;border-radius:20px;
}
.brand-card .bc-body{padding:22px 20px 24px}
.brand-card h3{font-size:20px;letter-spacing:2px;margin-bottom:4px}
.brand-card .bc-en{font-family:"Raleway",sans-serif;font-size:10.5px;letter-spacing:2px;color:var(--tea-l);text-transform:uppercase;margin-bottom:12px}
.brand-card p{font-size:13.5px;color:var(--gray);line-height:1.85;min-height:72px}
.brand-card .bc-more{display:inline-block;margin-top:14px;color:var(--tea-d);font-size:13.5px;letter-spacing:2px}
.brand-card .bc-more:hover{color:var(--gold)}

/* ============ 文化四谛 ============ */
.virtue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.virtue{
  text-align:center;padding:44px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:.4s;
}
.virtue:hover{background:rgba(255,255,255,.12);transform:translateY(-6px);border-color:var(--sprout)}
.virtue .vt-char{
  width:84px;height:84px;margin:0 auto 18px;border-radius:50%;
  border:2px solid var(--sprout);display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:38px;color:var(--sprout);
  background:radial-gradient(circle at 35% 30%,rgba(156,204,101,.22),transparent 70%);
}
.virtue h3{font-size:22px;letter-spacing:4px;margin-bottom:10px}
.virtue p{font-size:13.5px;color:#c3d6c6;line-height:1.9}

/* ============ 资讯列表 ============ */
.news-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:34px;align-items:stretch}
.news-col{display:flex;flex-direction:column;gap:26px}
.news-col .news-feature{flex:1;min-height:180px}
.news-feature{
  position:relative;border-radius:var(--radius);overflow:hidden;display:block;
  box-shadow:var(--shadow-sm);background:var(--ink);
}
.news-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform .8s,opacity .4s}
.news-feature:hover img{transform:scale(1.05);opacity:1}
.news-feature .nf-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 26px 22px;
  background:linear-gradient(transparent,rgba(15,34,24,.92));color:#fff;
}
.news-feature .nf-cap .tag{display:inline-block;font-size:12px;color:var(--sprout);letter-spacing:2px;margin-bottom:8px}
.news-feature h3{color:#fff;font-size:21px;letter-spacing:1.5px;margin-bottom:8px}
.news-feature .nf-date{font-size:13px;color:#bcd0bf}
.news-list{background:#fff;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:8px 24px}
.news-list .nl-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 0 14px;border-bottom:2px solid var(--tea);margin-bottom:6px;
}
.news-list .nl-head h3{font-size:19px;letter-spacing:3px}
.news-list .nl-head a{font-size:13px;color:var(--gray)}
.news-list .nl-head a:hover{color:var(--tea-d)}
.news-item{
  display:flex;gap:16px;align-items:flex-start;padding:16px 4px;
  border-bottom:1px dashed var(--line);
}
.news-item:last-child{border-bottom:0}
.news-item .ni-date{
  flex:none;width:58px;text-align:center;border-right:1px solid var(--line);padding-right:14px;
}
.news-item .ni-date b{display:block;font-family:"Raleway",sans-serif;font-size:26px;color:var(--tea-d);line-height:1.1}
.news-item .ni-date span{font-size:12px;color:var(--gray)}
.news-item .ni-body h4{font-size:16px;margin-bottom:5px;font-family:var(--sans);font-weight:600;line-height:1.6}
.news-item .ni-body h4 a:hover{color:var(--tea-d)}
.news-item .ni-body p{font-size:13px;color:var(--gray);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .ni-tag{
  display:inline-block;font-size:11px;color:var(--tea-d);background:var(--jade);
  border-radius:3px;padding:0 7px;margin-right:8px;vertical-align:1px;
}

/* 产业页 卡片网格 */
.cat-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.cat-tabs button{
  border:1px solid var(--line);background:#fff;color:var(--gray);
  padding:9px 26px;border-radius:24px;cursor:pointer;font-size:14.5px;letter-spacing:2px;
  font-family:var(--serif);transition:.3s;
}
.cat-tabs button.on,.cat-tabs button:hover{background:var(--tea);border-color:var(--tea);color:#fff}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.article-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.4s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.article-card .ac-img{height:200px;overflow:hidden}
.article-card .ac-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.article-card:hover .ac-img img{transform:scale(1.09)}
.article-card .ac-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.article-card .ac-meta{font-size:12px;color:#93a297;margin-bottom:10px}
.article-card .ac-meta .tag{color:var(--tea-d);background:var(--jade);padding:1px 8px;border-radius:3px;margin-right:8px}
.article-card h3{font-size:17.5px;line-height:1.6;margin-bottom:9px;font-family:var(--sans);font-weight:600}
.article-card h3 a:hover{color:var(--tea-d)}
.article-card p{font-size:13.3px;color:var(--gray);line-height:1.85;flex:1}
.article-card .ac-foot{margin-top:14px;font-size:13px;color:var(--tea-d);letter-spacing:2px}

/* ============ 时间线（茶艺/茶史） ============ */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:40px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--sprout),var(--tea))}
.tl-item{position:relative;padding:0 0 38px 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-39px;top:4px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:4px solid var(--tea-l);box-shadow:0 0 0 4px var(--jade);
}
.tl-item h3{font-size:19px;letter-spacing:2px;margin-bottom:7px}
.tl-item .tl-sub{font-size:13px;color:var(--tea-l);letter-spacing:2px;margin-bottom:6px;font-family:"Raleway",sans-serif}
.tl-item p{color:#44544a;font-size:14.5px}

/* 双栏文化排版 */
.cul-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.cul-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cul-img img{width:100%;height:380px;object-fit:cover}
.cul-text h3{font-size:25px;letter-spacing:3px;margin-bottom:18px}
.cul-text p{margin-bottom:14px;color:#44544a;text-align:justify}
.cul-quote{
  margin:22px 0;padding:20px 26px;border-left:4px solid var(--sprout);
  background:var(--paper-2);border-radius:0 8px 8px 0;
  font-family:var(--serif);font-size:17px;color:var(--tea-d);letter-spacing:2px;
}
.cul-quote cite{display:block;margin-top:8px;font-size:13px;color:var(--gray);font-style:normal;letter-spacing:1px}

/* ============ 合作页 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 22px 28px;text-align:center;box-shadow:var(--shadow-sm);transition:.35s;
}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--tea-l)}
.flow-step::before{
  counter-increment:flow;content:"0" counter(flow);
  font-family:"Raleway",sans-serif;font-size:34px;font-weight:700;color:var(--jade);
  position:absolute;top:12px;right:18px;
}
.flow-step .fs-ico{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(140deg,var(--jade),#eef6e4);
  display:flex;align-items:center;justify-content:center;font-size:28px;
}
.flow-step h3{font-size:18px;letter-spacing:2px;margin-bottom:8px}
.flow-step p{font-size:13.3px;color:var(--gray)}
.policy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.policy-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:34px 28px;transition:.35s}
.policy-card:hover{background:rgba(255,255,255,.12);transform:translateY(-5px)}
.policy-card h3{font-size:20px;letter-spacing:3px;margin-bottom:14px;color:#fff}
.policy-card h3 .pi{color:var(--sprout);margin-right:9px}
.policy-card ul li{position:relative;padding:7px 0 7px 20px;font-size:14px;color:#c3d6c6;border-bottom:1px dashed rgba(255,255,255,.1)}
.policy-card ul li:last-child{border-bottom:0}
.policy-card ul li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;background:var(--sprout);border-radius:50%}

/* 产业链 */
.chain-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;align-items:stretch}
.chain-node{
  text-align:center;padding:30px 12px;position:relative;
  background:#fff;border:1px solid var(--line);
}
.chain-node:not(:last-child){border-right:0}
.chain-node:not(:last-child)::after{
  content:"›";position:absolute;right:-10px;top:50%;transform:translateY(-50%);z-index:2;
  width:22px;height:22px;border-radius:50%;background:var(--tea);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
}
.chain-node .cn-ico{font-size:30px;margin-bottom:10px}
.chain-node h3{font-size:16px;letter-spacing:1px}
.chain-node p{font-size:12.5px;color:var(--gray);margin-top:4px}

/* ============ 留言表单 / 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:stretch}
.contact-info{background:linear-gradient(165deg,var(--ink),var(--tea-d));border-radius:var(--radius);padding:40px 34px;color:#dfeadf;display:flex;flex-direction:column;justify-content:center}
.contact-info h3{color:#fff;font-size:23px;letter-spacing:3px;margin-bottom:24px}
.ci-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.ci-item .ci-ico{
  flex:none;width:44px;height:44px;border-radius:10px;background:rgba(156,204,101,.15);
  border:1px solid rgba(156,204,101,.4);display:flex;align-items:center;justify-content:center;
  font-size:19px;color:var(--sprout);
}
.ci-item b{display:block;color:#fff;font-size:15px;letter-spacing:1.5px;margin-bottom:2px}
.ci-item span,.ci-item a{font-size:14px;color:#c3d6c6}
.ci-item a:hover{color:var(--sprout)}
.ci-qr{margin-top:26px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:18px;align-items:center}
.ci-qr .qr-box{width:96px;height:96px;background:#fff;border-radius:8px;padding:8px}
.ci-qr .qr-box img{width:100%;height:100%;object-fit:contain}
.ci-qr p{font-size:13px;color:#bcd0bf;line-height:1.8}
.form-card{background:#fff;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:38px 36px;display:flex;flex-direction:column}
.form-card form{flex:1;display:flex;flex-direction:column}
.field-grow{flex:1;display:flex;flex-direction:column}
.field-grow textarea{flex:1}
.form-card h3{font-size:22px;letter-spacing:3px;margin-bottom:6px}
.form-card .f-sub{font-size:13.5px;color:var(--gray);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-txt);margin-bottom:7px;letter-spacing:1px}
.field label .req{color:#c0392b;margin-left:3px}
.field input,.field textarea,.field select{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;
  font-size:14.5px;font-family:inherit;color:var(--ink-txt);background:var(--paper-2);transition:.25s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:0;border-color:var(--tea-l);background:#fff;box-shadow:0 0 0 3px rgba(63,155,102,.13);
}
.field textarea{resize:vertical;min-height:120px}
.field .err{display:none;margin-top:5px;font-size:12.5px;color:#c0392b}
.field.bad input,.field.bad textarea{border-color:#c0392b;background:#fdf3f2}
.field.bad .err{display:block}
.form-msg{display:none;margin-top:14px;padding:11px 16px;border-radius:8px;font-size:14px}
.form-msg.ok{display:block;background:#eaf6ea;color:var(--tea-d);border:1px solid #bfe0bf}
.form-msg.fail{display:block;background:#fdf0ef;color:#c0392b;border:1px solid #f0c5c0}

.map-box{margin-top:46px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.map-box img{width:100%;height:360px;object-fit:cover}

/* ============ 文章详情 ============ */
.article-wrap{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-main{background:#fff;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:46px 50px}
.article-main h1{font-size:28px;letter-spacing:2px;line-height:1.5;margin-bottom:16px}
.art-meta{padding-bottom:20px;border-bottom:1px solid var(--line);font-size:13.5px;color:#8a978e;margin-bottom:28px}
.art-meta span{margin-right:22px}
.art-meta .tag{color:var(--tea-d);background:var(--jade);padding:2px 10px;border-radius:3px}
.art-cover{border-radius:10px;overflow:hidden;margin-bottom:30px}
.art-cover img{width:100%;max-height:430px;object-fit:cover}
.art-body{font-size:16px;line-height:2.05;color:#3a4a3f}
.art-body p{margin-bottom:20px;text-align:justify}
.art-body h2{font-size:21px;margin:32px 0 14px;letter-spacing:2px;padding-left:14px;border-left:4px solid var(--tea-l)}
.art-foot{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}
.art-foot a{color:var(--tea-d)}
.art-foot a:hover{color:var(--gold)}
.art-side .side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 24px;margin-bottom:26px}
.art-side h3{font-size:18px;letter-spacing:2px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--tea)}
.art-side .hot-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.art-side .hot-item:last-child{border-bottom:0}
.art-side .hot-item b{
  flex:none;width:22px;height:22px;border-radius:5px;background:var(--jade);color:var(--tea-d);
  font-family:"Raleway",sans-serif;font-size:12.5px;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.art-side .hot-item:nth-child(-n+3) b{background:var(--tea);color:#fff}
.art-side .hot-item a:hover{color:var(--tea-d)}
.art-side .side-cta{background:linear-gradient(160deg,var(--ink),var(--tea-d));color:#fff;text-align:center;padding:30px 22px}
.art-side .side-cta h3{border:0;color:#fff;margin-bottom:10px}
.art-side .side-cta p{font-size:13.5px;color:#c3d6c6;margin-bottom:18px}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;background-size:cover;background-position:center;
  padding:84px 0;text-align:center;color:#fff;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(18,43,30,.82)}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:32px;letter-spacing:5px;margin-bottom:14px}
.cta-band p{color:#d2e1d4;font-size:15.5px;margin-bottom:30px}
.cta-band .cta-phone{font-family:"Raleway",sans-serif;font-size:30px;color:var(--sprout);letter-spacing:2px;font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:#142b1f;color:#a9bfae;padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer h4{color:#e6f0e6;font-size:16.5px;letter-spacing:3px;margin-bottom:18px;font-family:var(--serif)}
.site-footer p,.site-footer li{font-size:13.5px;line-height:2.1}
.site-footer a:hover{color:var(--sprout)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{line-height:1.9}
.footer-links li{position:relative;padding-left:16px;border-bottom:1px dashed rgba(255,255,255,.06);padding-top:4px;padding-bottom:4px}
.footer-links li::before{content:"";position:absolute;left:0;top:15px;width:5px;height:5px;background:var(--tea-l);border-radius:50%}
.footer-contact li{margin-bottom:8px}
.footer-contact .fi{color:var(--sprout);margin-right:7px}
.footer-bottom{padding:18px 0;font-size:12.8px;text-align:center;color:#7d9283;letter-spacing:1px}
.footer-bottom a:hover{color:var(--sprout)}
/* 返回顶部 */
.back-top{
  position:fixed;right:26px;bottom:34px;z-index:900;width:46px;height:46px;border-radius:10px;
  background:var(--tea);color:#fff;border:0;font-size:18px;cursor:pointer;opacity:0;visibility:hidden;
  transition:.35s;box-shadow:0 8px 22px rgba(35,99,57,.4);
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--tea-d);transform:translateY(-3px)}

/* 品牌详情区块 */
.pd-block{padding:64px 0}
.pd-block:nth-of-type(even){background:var(--paper-2)}
.pd-feats{margin:6px 0 26px}
.pd-feats li{position:relative;padding:8px 0 8px 24px;font-size:14.5px;color:#44544a;border-bottom:1px dashed var(--line)}
.pd-feats li::before{content:"";position:absolute;left:4px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--tea-l)}
.pd-block .cul-img img{height:420px}
@media (min-width:761px){
  .pd-block:nth-of-type(even) .cul-grid{grid-template-columns:1fr 1fr}
  .pd-block:nth-of-type(even) .cul-img{order:2}
}

/* ============ 响应式：平板 ============ */
@media (max-width:1024px){
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .virtue-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .policy-grid{grid-template-columns:1fr}
  .chain-grid{grid-template-columns:repeat(2,1fr)}
  .chain-node:nth-child(2)::after{display:none}
  .article-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
/* ============ 响应式：手机 ============ */
@media (max-width:760px){
  html,body{overflow-x:hidden}
  body{font-size:14.5px}
  .topbar{display:none}
  .site-header .container{height:60px}
  .logo .seal{width:40px;height:40px;font-size:22px}
  .logo .lg-cn{font-size:18px;letter-spacing:2px}
  .logo .lg-en{font-size:9px}
  .nav-toggle{display:block}
  nav{
    position:fixed;top:60px;left:0;right:0;bottom:0;
    background:rgba(20,43,31,.985);overflow-y:auto;
    transform:translateX(100%);transition:transform .35s ease;visibility:hidden;
  }
  nav.open{transform:translateX(0);visibility:visible}
  .main{display:block;padding:8px 0 40px}
  .main>li{border-bottom:1px solid rgba(255,255,255,.08)}
  .main>li>a{padding:14px 22px;border-bottom:0;display:flex;justify-content:space-between;align-items:center}
  .main>li>a .en{display:none}
  .main>li>a::after{content:"＋";color:var(--sprout);font-size:16px;font-family:var(--sans)}
  .main>li.mopen>a::after{content:"－"}
  .drop{
    position:static;transform:none;visibility:visible;min-width:0;width:100%;
    background:rgba(0,0,0,.18);border:0;border-radius:0;box-shadow:none;
    display:none;padding:0;
  }
  .main>li.mopen .drop{display:block}
  .drop li{opacity:1;animation:none!important}
  .drop li a{text-align:left;padding:11px 34px;border-bottom:1px solid rgba(255,255,255,.05)}
  section{padding:48px 0}
  .hero{height:520px}
  .hero h2{font-size:32px;letter-spacing:3px}
  .hero h2 small{font-size:15px;letter-spacing:4px}
  .hero p.lead{font-size:14.5px}
  .hero-arrow{display:none}
  .page-hero{height:240px}
  .page-hero h1{font-size:27px;letter-spacing:4px}
  .section-head h2{font-size:24px;letter-spacing:3px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-strip .st{padding:22px 10px;border-bottom:1px solid var(--line)}
  .stat-strip .st:nth-child(2){border-right:0}
  .stat-strip .st:nth-child(3){border-bottom:0}
  .stat-strip .st b{font-size:30px}
  .stats-wrap{margin-top:-44px}
  .about-grid,.cul-grid,.news-wrap,.contact-grid{grid-template-columns:1fr;gap:30px}
  .about-img img{height:300px}
  .cul-img img{height:260px}
  .news-col .news-feature{flex:none;height:240px}
  .brand-grid,.article-grid,.virtue-grid,.flow-grid{grid-template-columns:1fr}
  .chain-grid{grid-template-columns:1fr 1fr}
  .about-feats{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:28px 20px}
  .article-main{padding:30px 20px}
  .article-main h1{font-size:22px}
  .art-body{font-size:15px}
  .cta-band{padding:60px 0}
  .cta-band h2{font-size:24px;letter-spacing:3px}
  .cta-band .cta-phone{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .back-top{right:16px;bottom:20px;width:42px;height:42px}
}