/* ============================================================
   齐鲁农超 · 官方网站设计系统
   视觉调性：农业绿 + 丰收金，清新、专业、可信赖
   参考：浙江农合数字官网（绿色农业国企风格）
   ============================================================ */

:root{
  /* 品牌色 —— 农业绿（严格匹配浙江农合数字官网） */
  --green-900:#001529;
  --green-800:#003d1f;
  --green-700:#00823b;
  --green-600:#00a946;   /* 主色 */
  --green-500:#1db557;
  --green-400:#4dd17a;
  --green-100:#d1e8d7;
  --green-50:#f0f9f2;

  /* 点缀 —— 丰收金 */
  --gold:#e0a526;
  --gold-dark:#c98a14;

  /* 中性色 */
  --ink:#000000;
  --body:#44564c;
  --muted:#7a8a80;
  --line:#e3ebe5;
  --bg:#ffffff;
  --bg-soft:#f5f7fa;

  /* 排版 */
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;

  /* 圆角 & 阴影 */
  --r-sm:8px; --r-md:14px; --r-lg:22px;
  --shadow-sm:0 4px 14px rgba(16,60,32,.06);
  --shadow-md:0 12px 32px rgba(16,60,32,.10);
  --shadow-lg:0 24px 60px rgba(16,60,32,.16);

  --maxw:1200px;
  --header-h:72px;
}

/* ---------- 基础重置 ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--body);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;font-weight:800;letter-spacing:.5px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-weight:700;font-size:15px;
  cursor:pointer;border:2px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{background:var(--green-600);color:#fff;box-shadow:0 10px 24px rgba(26,122,60,.28)}
.btn-primary:hover{background:var(--green-700);transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,122,60,.34)}
.btn-ghost{background:transparent;color:var(--green-700);border-color:var(--green-600)}
.btn-ghost:hover{background:var(--green-50)}
.btn-gold{background:var(--gold);color:#3a2a00;box-shadow:0 10px 24px rgba(224,165,38,.3)}
.btn-gold:hover{background:var(--gold-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green-700)}
.btn-light:hover{background:var(--green-50)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:.3s;
}
.site-header.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:22px;color:var(--green-700)}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--green-500),var(--green-800));
  color:#fff;font-size:22px;font-weight:900;box-shadow:var(--shadow-sm);
}
.brand-text{letter-spacing:2px}
.site-header .brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-sub{font-size:12px;font-weight:400;color:#999;letter-spacing:3px;margin-top:5px;white-space:nowrap}
.brand-logo{height:44px;width:auto;display:block}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:10px 16px;font-weight:600;color:var(--ink);border-radius:999px;
  transition:.2s;font-size:15px;
}
.nav-link:hover{color:var(--green-600);background:var(--green-50)}
.nav-link.active{color:var(--green-600)}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;border-radius:3px;
  background:var(--green-500);
}
.nav-cta{margin-left:10px;padding:10px 22px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--green-700);border-radius:3px;transition:.3s}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:3px;
  color:var(--green-600);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--green-500);
  vertical-align:middle;margin-right:10px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.section-head.left{text-align:left;margin-left:0}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;transition:.3s;box-shadow:var(--shadow-sm);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--green-100)}

/* 网格 */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;margin-top:var(--header-h);
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(42,157,84,.35),transparent 60%),
    linear-gradient(135deg,var(--green-900),var(--green-700) 55%,var(--green-500));
  color:#fff;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;padding:96px 0 104px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.25);padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;margin-bottom:22px;
}
.hero h1{color:#fff;font-size:52px;line-height:1.18;margin-bottom:20px;font-weight:900}
.hero h1 .hl{color:var(--gold)}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);object-fit:cover;width:100%;height:420px}
.hero-float{
  position:absolute;left:-28px;bottom:34px;background:#fff;color:var(--ink);
  border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--shadow-md);display:flex;gap:14px;align-items:center;
}
.hero-float .num{font-size:26px;font-weight:900;color:var(--green-600);line-height:1}
.hero-float .lbl{font-size:13px;color:var(--muted)}

/* 数据条 */
.stats{
  position:relative;z-index:3;margin-top:-44px;
}
.stats-bar{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:repeat(4,1fr);padding:30px 10px;
  border:1px solid var(--line);
}
.stat{text-align:center;padding:6px 18px;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:18%;height:64%;width:1px;background:var(--line)}
.stat .num{font-size:40px;font-weight:900;color:var(--green-600);line-height:1}
.stat .num .suffix{font-size:22px}
.stat .lbl{color:var(--muted);font-size:15px;margin-top:6px}

/* 优势卡片 */
.feat-icon{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
  background:var(--green-50);color:var(--green-600);font-size:30px;margin-bottom:20px;
  border:1px solid var(--green-100);
}
.feat-card h3{font-size:20px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:15px}

/* 产品卡 */
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:.3s;cursor:pointer;box-shadow:var(--shadow-sm);
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.product-thumb{position:relative;height:200px;overflow:hidden;background:var(--green-50)}
.product-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.product-card:hover .product-thumb img{transform:scale(1.06)}
.product-tag{
  position:absolute;top:14px;left:14px;background:rgba(13,61,32,.85);color:#fff;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.product-body{padding:20px 22px 24px}
.product-body h3{font-size:18px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-body p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-more{margin-top:14px;color:var(--green-600);font-weight:700;font-size:14px;display:inline-flex;gap:6px;align-items:center}
.product-price{display:flex;align-items:baseline;gap:8px;margin-top:12px}
.product-price .price{color:#e0563c;font-weight:800;font-size:20px}
.product-price s{color:var(--muted);font-size:13px;font-weight:400}

/* 视频/品牌区 */
.brand-video{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:380px;
  background:linear-gradient(135deg,var(--green-800),var(--green-500));display:grid;place-items:center;box-shadow:var(--shadow-md)}
.brand-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.play-btn{
  position:relative;z-index:2;width:84px;height:84px;border-radius:50%;background:#fff;
  display:grid;place-items:center;box-shadow:var(--shadow-lg);cursor:pointer;transition:.25s;
}
.play-btn::after{content:"";border-left:22px solid var(--green-600);border-top:14px solid transparent;
  border-bottom:14px solid transparent;margin-left:6px}
.play-btn.playing::after{content:"";border:0;width:26px;height:26px;background:linear-gradient(to right,var(--green-600) 36%,transparent 36%,transparent 64%,var(--green-600) 64%);margin:0}
.play-btn:hover{transform:scale(1.08)}
.brand-video .cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;z-index:2;color:#fff;font-weight:700}

/* 新闻卡 */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:.3s;box-shadow:var(--shadow-sm);cursor:pointer}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.news-thumb{height:190px;overflow:hidden;background:var(--green-50)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px}
.news-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:10px}
.news-cat{background:var(--green-50);color:var(--green-600);font-weight:700;padding:3px 10px;border-radius:999px}
.news-body h3{font-size:18px;margin-bottom:10px;line-height:1.45}
.news-body p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.grid-tip{grid-column:1/-1;text-align:center;color:var(--muted);font-size:15px;padding:60px 0}
.load-more{display:flex;justify-content:center;margin-top:40px}
.load-more[hidden]{display:none}

/* 合作伙伴 */
.partners{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.partner-chip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 30px;
  font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px;transition:.25s;box-shadow:var(--shadow-sm);
}
.partner-chip:hover{border-color:var(--green-400);color:var(--green-600);transform:translateY(-3px)}
.partner-chip .dot{width:10px;height:10px;border-radius:50%;background:var(--green-500)}

/* CTA 横幅 */
.cta-band{
  background:linear-gradient(135deg,var(--green-800),var(--green-500));
  border-radius:var(--r-lg);padding:54px 56px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow-md);
  margin-top:48px
}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08)}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.9)}

/* ---------- 内页 Banner ---------- */
.page-hero{
  margin-top:var(--header-h);
  color:#fff;position:relative;overflow:hidden;padding:110px 0 96px;
  background:center/cover no-repeat;
}
.page-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(0,40,18,.72) 0%,rgba(0,40,18,.45) 60%,rgba(0,40,18,.25) 100%);}
.page-hero .container{position:relative;z-index:2}
.page-hero.banner-about{background-image:url(../assets/banner-about.jpg)}
.page-hero.banner-products{background-image:url(../assets/banner-products.jpg)}
.page-hero.banner-news{background-image:url(../assets/banner-news.jpg)}
.page-hero.banner-history{background-image:url(../assets/banner-history.jpg)}
.page-hero.banner-join{background-image:url(../assets/banner-join.jpg)}
.page-hero.banner-contact{background-image:url(../assets/banner-contact.jpg)}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:14px}
.breadcrumb a:hover{color:#fff}
.page-hero h1{color:#fff;font-size:42px;font-weight:900;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.9);max-width:640px;font-size:16px;line-height:1.7}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.about-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.about-img img{width:100%;height:440px;object-fit:cover}
.about-text h2{font-size:30px;margin-bottom:18px}
.about-text p{margin-bottom:16px;color:var(--body)}
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:26px}
.value-item{display:flex;gap:14px;align-items:flex-start}
.value-item .vi{width:46px;height:46px;border-radius:12px;background:var(--green-50);color:var(--green-600);
  display:grid;place-items:center;font-size:22px;flex:none}
.value-item h4{font-size:17px;margin-bottom:4px}
.value-item p{font-size:14px;color:var(--muted);margin:0}

.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mission-card{background:var(--green-50);border:1px solid var(--green-100);border-radius:var(--r-lg);padding:34px;text-align:center}
.mission-card .ic{font-size:34px;margin-bottom:14px}
.mission-card h3{font-size:20px;margin-bottom:10px}
.mission-card p{color:var(--muted);font-size:15px}

/* 产品筛选 */
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.filter-btn{
  border:1px solid var(--line);background:#fff;color:var(--body);padding:10px 22px;border-radius:999px;
  font-weight:600;cursor:pointer;transition:.2s;font-size:14px;
}
.filter-btn:hover{border-color:var(--green-400);color:var(--green-600)}
.filter-btn.active{background:var(--green-600);border-color:var(--green-600);color:#fff}

/* 产品详情弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(13,36,24,.55);backdrop-filter:blur(4px);
  z-index:2000;display:none;align-items:center;justify-content:center;padding:24px}
.modal-mask.open{display:flex}
.modal{
  background:#fff;border-radius:var(--r-lg);max-width:860px;width:100%;max-height:90vh;overflow:auto;
  display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow-lg);animation:pop .3s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
.modal-img{background:var(--green-50)}
.modal-img img{width:100%;height:100%;object-fit:cover;min-height:420px}
.modal-info{padding:38px}
.modal-info .m-tag{display:inline-block;background:var(--green-50);color:var(--green-600);font-weight:700;
  font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.modal-info h3{font-size:26px;margin-bottom:14px}
.modal-info .m-desc{color:var(--body);margin-bottom:20px}
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.spec{border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}
.spec .k{font-size:12px;color:var(--muted)}
.spec .v{font-weight:700;color:var(--ink);font-size:15px}
.modal-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;border:0;
  background:rgba(255,255,255,.9);font-size:20px;cursor:pointer;z-index:3;box-shadow:var(--shadow-sm)}
.modal-close:hover{background:#fff}

/* 新闻详情页 */
.article{max-width:820px;margin:0 auto}
.article-hero{border-radius:var(--r-lg);overflow:hidden;margin-bottom:30px;box-shadow:var(--shadow-sm)}
.article-hero img{width:100%;height:380px;object-fit:cover}
.article-meta{display:flex;gap:14px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:18px}
.article h1{font-size:34px;margin-bottom:18px;line-height:1.35}
.article-body p{margin-bottom:18px;font-size:17px;color:var(--body)}
.article-body h3{font-size:22px;margin:28px 0 12px}
.back-link{display:inline-flex;gap:8px;align-items:center;color:var(--green-600);font-weight:700;margin-bottom:24px}

/* 发展历程 时间轴 */
.timeline{position:relative;max-width:880px;margin:0 auto;padding:10px 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:var(--green-100);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:18px 44px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%}
.tl-dot{position:absolute;top:30px;width:18px;height:18px;border-radius:50%;background:var(--green-500);
  border:4px solid #fff;box-shadow:0 0 0 3px var(--green-100);z-index:2}
.tl-item:nth-child(odd) .tl-dot{right:-9px}
.tl-item:nth-child(even) .tl-dot{left:-9px}
.tl-year{font-size:26px;font-weight:900;color:var(--green-600)}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;margin-top:10px;
  box-shadow:var(--shadow-sm);display:inline-block;text-align:left}
.tl-card h4{font-size:18px;margin-bottom:8px}
.tl-card p{font-size:14px;color:var(--muted)}

/* 合作加盟 */
.step-wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.step .n{width:52px;height:52px;border-radius:50%;background:var(--green-600);color:#fff;font-weight:900;font-size:20px;
  display:grid;place-items:center;margin:0 auto 16px;box-shadow:0 8px 18px rgba(26,122,60,.3)}
.step h4{font-size:17px;margin-bottom:8px}
.step p{font-size:13px;color:var(--muted)}
.step:not(:last-child)::after{content:"";position:absolute;top:54px;right:-12px;width:24px;height:2px;background:var(--green-100)}

.join-mode{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mode-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-sm);transition:.3s}
.mode-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--green-100)}
.mode-card .mi{font-size:34px;margin-bottom:14px}
.mode-card h3{font-size:20px;margin-bottom:12px}
.mode-card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.mode-card ul li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--body);font-size:14px}
.mode-card ul li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--green-500)}

.policy-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.policy{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-sm)}
.policy .pi{font-size:28px;flex:none}
.policy h4{font-size:17px;margin-bottom:6px}
.policy p{font-size:14px;color:var(--muted);margin:0}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .ci{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.contact-info .ci .ic{width:50px;height:50px;border-radius:14px;background:var(--green-50);color:var(--green-600);
  display:grid;place-items:center;font-size:24px;flex:none}
.contact-info .ci h4{font-size:16px;margin-bottom:3px}
.contact-info .ci p{color:var(--muted);font-size:15px;margin:0}
.map-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);min-height:360px}
.map-frame iframe{width:100%;height:380px;border:0;display:block}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow-md)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;color:var(--ink);margin-bottom:8px;font-size:14px}
.field input,.field textarea,.field select{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--r-sm);font-family:var(--font);
  font-size:15px;color:var(--ink);background:#fff;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--green-500);box-shadow:0 0 0 3px var(--green-100)}
.field textarea{resize:vertical;min-height:120px}
.field .err{color:#d23b3b;font-size:13px;margin-top:6px;display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid textarea{border-color:#d23b3b}
.form-note{font-size:13px;color:var(--muted);margin-top:6px}

/* Toast */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--green-700);color:#fff;padding:14px 26px;border-radius:999px;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transition:.3s;z-index:3000;font-weight:600}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--green-600);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(26,122,60,.35);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.3s;z-index:2000}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top.show:hover{background:var(--green-700);transform:translateY(-3px)}
.back-top svg{width:20px;height:20px}

/* 页脚 */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.8);padding:64px 0 28px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--green-500),var(--green-800))}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin:18px 0;font-size:14px;max-width:300px;color:rgba(255,255,255,.7)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.7);padding:6px 0;font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .beian{display:inline-flex;align-items:center;flex-wrap:wrap;gap:14px}
.footer-bottom .beian a{color:rgba(255,255,255,.55);text-decoration:none;transition:.2s}
.footer-bottom .beian a:hover{color:var(--gold)}
.footer-bottom .beian .gongan{display:inline-flex;align-items:center;gap:5px}
.footer-bottom .gongan-icon{width:14px;height:14px;vertical-align:middle}

/* 滚动揭示动画 —— 禁用，确保内容直接可见 */
.reveal{opacity:1;transform:none;transition:none}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero h1{font-size:42px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .step-wrap{grid-template-columns:repeat(3,1fr)}
  .step:not(:last-child)::after{display:none}
}
@media (max-width:920px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:12px 16px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    max-height:0;overflow:hidden;transition:max-height .35s ease;opacity:0;
  }
  .main-nav.open{max-height:520px;opacity:1}
  .nav-link{padding:14px 12px;border-radius:var(--r-sm)}
  .nav-link.active::after{display:none}
  .nav-cta{margin:10px 0 0}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 80px}
  .hero h1{font-size:38px}
  .hero-visual img{height:320px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .mission-grid,.join-mode,.policy-list{grid-template-columns:1fr}
  .modal{grid-template-columns:1fr}
  .modal-img img{min-height:260px}
  .grid-3{grid-template-columns:1fr}
  .section{padding:72px 0}
}
@media (max-width:680px){
  .container{padding:0 18px}
  .grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:not(:last-child)::after{display:none}
  .stat:nth-child(odd)::after{display:none}
  .stat{padding:10px}
  .hero h1{font-size:32px}
  .brand-logo{height:38px}
  .section-head h2,.page-hero h1{font-size:28px}
  .page-hero{padding:78px 0 66px}
  .cta-band{padding:36px 28px;flex-direction:column;align-items:flex-start;margin-top:32px}
  .form-row{grid-template-columns:1fr}
  .timeline::before{left:20px}
  .tl-item{width:100%;left:0!important;text-align:left!important;padding:14px 0 14px 52px}
  .tl-item .tl-dot{left:11px!important;right:auto!important}
  .back-top{right:14px;bottom:14px;width:40px;height:40px}
  .footer-top{grid-template-columns:1fr 1fr}
  .step-wrap{grid-template-columns:1fr}
}
@media (max-width:460px){
  .footer-top{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
  .spec-list{grid-template-columns:1fr}
}

/* ============================================================
   线性图标系统（内联 SVG，描边继承 currentColor）
   ============================================================ */
i[data-icon]{display:inline-flex;align-items:center;justify-content:center;line-height:0}
i[data-icon] svg{
  width:1em;height:1em;display:block;
  fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;
}
/* 个别需要固定小尺寸的位置 */
.hero-badge i[data-icon]{width:16px;height:16px;margin-right:2px}
.news-meta i[data-icon]{width:14px;height:14px;flex:none;margin-right:5px}
.contact-info .ci .ic i[data-icon]{width:24px;height:24px}
.feat-icon i[data-icon],.value-item .vi i[data-icon]{width:30px;height:30px}
.mission-card .ic i[data-icon],.mode-card .mi i[data-icon]{width:34px;height:34px}
.policy .pi i[data-icon]{width:28px;height:28px}

/* ============================================================
   首页新版 —— 严格复刻参考图布局
   ============================================================ */
.home-banner{
  position:relative;
  height:760px;
  background:url(../assets/banner-bg.jpg) center/cover no-repeat;
  display:flex;align-items:center;
  margin-top:var(--header-h);
}
.home-banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.08) 60%,transparent 100%);
}
.home-banner__inner{position:relative;z-index:2}
.home-banner__copy{max-width:680px;color:#fff;padding-top:40px}
.home-banner__copy h2{
  font-size:40px;font-weight:700;line-height:1.35;color:#fff;
  margin-bottom:20px;letter-spacing:1px;
}
.home-banner__copy p{
  font-size:20px;line-height:1.7;color:rgba(255,255,255,.92);max-width:560px;
}

.home-services{padding:100px 0 20px;background:#fff}
.home-section-head{text-align:center;margin-bottom:40px}
.home-section-head h2{font-size:30px;font-weight:700;color:var(--ink)}
.home-section-head p{margin-top:12px;color:#a0a0a6;font-size:16px}
.home-muted{color:#a0a0a6}

.svc-row{
  display:flex;justify-content:space-between;align-items:center;
  gap:40px;margin-bottom:80px;
}
.svc-row.reverse{flex-direction:row-reverse}
.svc-text{flex:0 0 486px;max-width:486px}
.svc-text h3{font-size:24px;font-weight:700;color:var(--ink);margin-bottom:20px}
.svc-text p{font-size:16px;line-height:30px;color:#a0a0a6}
.svc-img{flex:0 0 588px;max-width:588px}
.svc-img img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-md)}

.home-app{background:var(--bg-soft);padding:80px 0}
.home-app__inner{display:flex;align-items:center;gap:40px}
.app-phone{flex:1;text-align:center}
.app-phone img{width:349px;height:620px;object-fit:contain}
.app-info{flex:1;padding-top:20px}
.app-info h3{font-size:30px;font-weight:700;color:var(--ink);margin-bottom:30px}
.app-info p{font-size:16px;line-height:30px;color:#a0a0a6;margin-bottom:20px}
.qr-code{width:120px;height:120px;border-radius:var(--r-sm);box-shadow:var(--shadow-sm)}

.home-video{padding:96px 0;background:#fff}
.home-video .home-section-head{margin-bottom:50px}

.home-about{
  min-height:610px;
  background:url(../assets/about-bg.png) center/cover no-repeat;
  padding:100px 0;display:flex;align-items:center;
}
.home-about__box{
  max-width:996px;margin:0 auto;
  padding:60px 102px;
  background:rgba(0,0,0,.3);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-radius:var(--r-lg);
  text-align:center;color:#fff;
}
.home-about__box h3{font-size:30px;font-weight:700;color:#fff;margin-bottom:30px}
.home-about__box p{font-size:16px;line-height:30px;margin-bottom:20px;text-align:left;color:rgba(255,255,255,.95)}
.home-about__box p:last-of-type{margin-bottom:30px}
.home-about__btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:150px;height:48px;border-radius:24px;
  background:#fff;color:var(--green-600);font-weight:700;
  transition:.25s;
}
.home-about__btn:hover{background:var(--green-50);color:var(--green-700)}

/* 首页响应式 */
@media (max-width:1180px){
  .svc-row,.svc-row.reverse{flex-direction:column;align-items:flex-start}
  .svc-text,.svc-img{flex:auto;max-width:100%;width:100%}
  .svc-img img{height:auto}
  .home-app__inner{flex-direction:column}
  .app-phone,.app-info{flex:auto;width:100%;text-align:center}
  .app-info{padding-top:0}
  .home-about__box{padding:48px 36px;margin:0 24px}
}
@media (max-width:680px){
  .home-banner{height:560px;padding:0 18px}
  .home-banner__copy h2{font-size:28px}
  .home-banner__copy p{font-size:16px}
  .home-services{padding:72px 0 10px}
  .svc-row{margin-bottom:52px;gap:28px}
  .home-app{padding:60px 0}
  .app-phone img{width:240px;height:auto}
  .home-about{padding:72px 0}
  .home-about__box{padding:36px 24px}
  .home-about__box p{text-align:justify}
}
@media (max-width:460px){
  .home-banner{height:480px}
  .home-banner__copy h2{font-size:24px}
}