/* ==========================================================================
   绿易网 · 视觉样式表
   沿用原有品牌视觉：深色主视觉 + 大字号白字，绿色为主色、红色为强调色
   ========================================================================== */

:root{
  /* 品牌色 —— 取自原站：绿色 #05a045（原浮动按钮）、红色 #c40000（原导航强调） */
  --brand:      #05a045;
  --brand-d:    #03763a;
  --brand-l:    #e9f6ef;
  --brand-b:    #c9e6d6;
  --accent:     #c40000;
  --accent-l:   #fdecec;

  --ink:        #1b1b1b;
  --ink-2:      #4a4a4a;
  --ink-3:      #7d7d7d;
  --ink-4:      #a6a6a6;

  --line:       #e5e7e6;
  --line-2:     #f0f2f1;
  --bg:         #ffffff;
  --bg-2:       #f7f9f8;
  --dark:       #0b1a12;

  --radius:     10px;
  --radius-l:   16px;
  --shadow:     0 2px 10px rgba(15,40,25,.06);
  --shadow-l:   0 14px 40px rgba(15,40,25,.12);
  --maxw:       1240px;
  --nav-h:      72px;
  --ease:       cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  font-family:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px; line-height:1.8; color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body.nav-open{overflow:hidden}

img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

::selection{background:var(--brand);color:#fff}

/* ---------- 布局工具 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:920px;margin:0 auto;padding:0 28px}
.section{padding:88px 0}
.section-sm{padding:60px 0}
.section.light{background:var(--bg-2)}
.section.green{background:var(--brand-l)}
.section.dark{background:var(--dark);color:#fff}
.section.dark .sec-sub{color:rgba(255,255,255,.65)}
.center{text-align:center}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}.mt-l{margin-top:44px}

/* ---------- 章节标题 ---------- */
.sec-head{max-width:820px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-block;font-size:13px;letter-spacing:.2em;font-weight:700;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";display:inline-block;width:22px;height:2px;background:var(--brand);vertical-align:4px;margin-right:10px}
.sec-head.center .sec-kicker::before{margin-right:8px}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:-.01em}
.sec-title{font-size:clamp(24px,3.2vw,38px)}
.sec-sub{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.9}
.section.dark .sec-title{color:#fff}

/* 红色强调 */
.hl{color:var(--accent);font-weight:700}
.hl-b{color:var(--brand);font-weight:700}
.hl-mark{background:linear-gradient(transparent 62%,rgba(196,0,0,.14) 62%);font-weight:700}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;height:var(--nav-h);
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:all .3s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(0,0,0,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.nav-logo{display:flex;align-items:center;gap:12px;flex:none}
.nav-logo img{height:44px;width:auto}
.nav-logo span{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.nav-logo small{display:block;font-size:10.5px;color:var(--ink-4);letter-spacing:.08em;font-weight:400;line-height:1.2}

.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu > li > a{
  display:block;padding:10px 15px;font-size:15px;color:var(--ink-2);
  border-radius:8px;position:relative;white-space:nowrap;
}
.nav-menu > li > a:hover{color:var(--accent);background:var(--bg-2)}
.nav-menu > li > a.active{color:var(--accent);font-weight:700}
.nav-menu > li > a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-login{font-size:14px;color:var(--ink-3);padding:8px 12px}
.nav-login:hover{color:var(--brand)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius);font-size:15px;font-weight:700;
  transition:all .28s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(5,160,69,.26)}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(5,160,69,.32)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-white{background:#fff;color:var(--brand-d)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.2)}
.btn-line-w{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-line-w:hover{background:#fff;color:var(--brand-d);border-color:#fff}
.btn-sm{padding:9px 20px;font-size:14px}

.nav-burger{display:none;width:42px;height:42px;position:relative;border-radius:8px}
.nav-burger span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s;
}
.nav-burger span:nth-child(1){top:14px}
.nav-burger span:nth-child(2){top:20px}
.nav-burger span:nth-child(3){top:26px}
body.nav-open .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-burger span:nth-child(2){opacity:0}
body.nav-open .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ==========================================================================
   主视觉 Hero
   ========================================================================== */
.hero{
  position:relative;min-height:min(86vh,780px);display:flex;align-items:center;
  justify-content:center;text-align:center;color:#fff;overflow:hidden;
  padding:calc(var(--nav-h) + 48px) 28px 88px;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,20,13,.62) 0%,rgba(6,20,13,.5) 45%,rgba(6,20,13,.78) 100%);
}
.hero-inner{position:relative;z-index:1;max-width:1000px}
.hero-title{
  font-size:clamp(34px,6.2vw,76px);font-weight:700;letter-spacing:.06em;line-height:1.18;
  text-shadow:0 3px 26px rgba(0,0,0,.4);
}
.hero-sub{
  margin-top:20px;font-size:clamp(20px,3.2vw,40px);font-weight:700;letter-spacing:.08em;
  text-shadow:0 3px 22px rgba(0,0,0,.4);
}
.hero-en{
  margin-top:16px;font-size:clamp(12px,1.5vw,17px);letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.72);font-weight:400;
}
.hero-slogan{
  margin-top:34px;display:inline-block;padding:12px 30px;
  border:1px solid rgba(255,255,255,.34);border-radius:100px;
  font-size:clamp(14px,1.7vw,19px);letter-spacing:.08em;background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
.hero-cta{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
}
.hero-scroll::after{
  content:"";display:block;width:1px;height:26px;margin:8px auto 0;
  background:linear-gradient(rgba(255,255,255,.6),transparent);
}

/* 内页页头 */
.page-hero{
  position:relative;display:flex;align-items:flex-end;color:#fff;overflow:hidden;
  min-height:clamp(300px,42vh,440px);
  padding:calc(var(--nav-h) + 40px) 28px 60px;
}
.page-hero .hero-bg::after{
  background:linear-gradient(100deg,rgba(6,20,13,.86) 0%,rgba(6,20,13,.6) 55%,rgba(6,20,13,.44) 100%);
}
/* 无专属主视觉的内页：渐变页头 + 细线纹理 */
.page-hero.is-grad .hero-bg{
  background:linear-gradient(115deg,#052e19 0%,#066b35 52%,#06a84a 100%);
}
.page-hero.is-grad .hero-bg::after{
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px),
    radial-gradient(1100px 460px at 82% 18%,rgba(255,255,255,.14),transparent 70%);
  background-size:62px 62px,62px 62px,auto;
  background-position:0 0,0 0,0 0;
}
.page-hero-inner{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin:0 auto}
.page-hero h1{font-size:clamp(26px,3.6vw,46px);letter-spacing:.02em}
.page-hero .page-en{
  font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.6);
  margin-bottom:14px;
}
.page-hero p{margin-top:16px;max-width:720px;color:rgba(255,255,255,.82);font-size:16px;line-height:1.85}

/* 面包屑 */
.crumb{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
.crumb .wrap{display:flex;align-items:center;gap:10px;height:52px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--ink-4)}
.crumb .cur{color:var(--ink-2)}

/* ==========================================================================
   卡片 / 网格
   ========================================================================== */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:30px 28px;transition:all .32s var(--ease);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--brand-b)}
.card:hover::before{transform:scaleX(1)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.card .card-no{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.14em;margin-bottom:12px;display:block;
}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--brand-l);display:grid;place-items:center;margin-bottom:18px}
.card-icon img{width:30px;height:30px;object-fit:contain}

/* 七小易业务卡 */
.biz-card{display:flex;flex-direction:column}
.biz-card .biz-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--brand-d);
  background:var(--brand-l);border-radius:100px;padding:5px 14px;margin-bottom:16px;align-self:flex-start;
}
.biz-card .biz-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.biz-card h3{font-size:21px}
.biz-card .biz-sub{font-size:13.5px;color:var(--brand-d);font-weight:700;margin-bottom:14px}
.biz-card .biz-img{margin-top:20px;border-radius:var(--radius);overflow:hidden;background:var(--bg-2)}
.biz-card .biz-img img{width:100%;object-fit:contain}
.biz-card .meta{display:grid;gap:12px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.biz-card .meta .row{font-size:14px;line-height:1.8}
.biz-card .meta .k{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand-d);background:var(--brand-l);
  border-radius:4px;padding:1px 8px;margin-right:8px;vertical-align:1px;
}
.biz-card .meta .k.red{color:var(--accent);background:var(--accent-l)}

/* 列表条目 */
.ticks{display:grid;gap:12px}
.ticks li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.8}
.ticks li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
  border:2.5px solid var(--brand);
}
.ticks.red li::before{border-color:var(--accent)}
.ticks.check li::before{
  content:"✓";border:0;color:var(--brand);font-weight:700;font-size:14px;top:0;left:2px;width:auto;height:auto;
}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:22px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:26px 24px;
  transition:all .3s var(--ease);
}
.stat:hover{border-color:var(--brand-b);box-shadow:var(--shadow)}
.stat .n{font-size:clamp(26px,3.4vw,38px);font-weight:700;color:var(--brand);line-height:1.15;letter-spacing:-.02em}
.stat .n small{font-size:.55em;margin-left:3px;font-weight:700}
.stat .l{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.65}
.stat .d{font-size:12.5px;color:var(--ink-4);margin-top:6px}

/* ==========================================================================
   Tab（逆向供应链逻辑）
   ========================================================================== */
.tabs-bar{
  display:flex;gap:6px;flex-wrap:wrap;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:100px;padding:7px;
  max-width:920px;margin:0 auto 40px;
}
.tabs-bar button{
  flex:1;min-width:130px;padding:12px 18px;border-radius:100px;font-size:15px;font-weight:700;
  color:var(--ink-3);transition:all .28s var(--ease);
}
.tabs-bar button:hover{color:var(--brand-d);background:var(--brand-l)}
.tabs-bar button.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(5,160,69,.26)}
.tab-panel{display:none;animation:fadeUp .5s var(--ease)}
.tab-panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.tab-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.tab-grid .tab-img{
  border-radius:var(--radius-l);overflow:hidden;background:var(--bg-2);box-shadow:var(--shadow);
}
.tab-grid .tab-img img{width:100%}
.tab-body h3{font-size:clamp(21px,2.4vw,28px);margin-bottom:14px}
.tab-body .lead{font-size:16px;color:var(--ink-2);line-height:1.9;margin-bottom:22px}
.tab-body .kv{display:grid;gap:14px;margin-top:22px}
.tab-body .kv .item{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:0 var(--radius) var(--radius) 0;padding:14px 18px;
}
.tab-body .kv .item b{display:block;font-size:14.5px;margin-bottom:3px}
.tab-body .kv .item span{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ==========================================================================
   AI 能力 / 全域数据核验 链路图
   ========================================================================== */
.chain{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:44px 32px;margin-top:8px;
}
.chain-flow{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center}
.chain-node{
  border:1.5px solid var(--brand-b);background:var(--brand-l);border-radius:var(--radius);
  padding:22px 24px;text-align:center;
}
.chain-node .t{font-size:12.5px;letter-spacing:.16em;color:var(--brand-d);font-weight:700;text-transform:uppercase}
.chain-node .c{font-size:19px;font-weight:700;margin:10px 0 6px}
.chain-node .d{font-size:14px;color:var(--ink-2);line-height:1.7}
.chain-node .tag{
  display:inline-block;margin-top:12px;background:var(--brand);color:#fff;font-size:12.5px;
  font-weight:700;padding:3px 12px;border-radius:100px;
}
.chain-node.accent{border-color:#f0c4c4;background:var(--accent-l)}
.chain-node.accent .t{color:var(--accent)}
.chain-node.accent .tag{background:var(--accent)}
.chain-arrow{display:grid;place-items:center;color:var(--brand);font-size:26px;font-weight:700}
.chain-note{
  margin-top:30px;padding:18px 22px;background:var(--bg-2);border-radius:var(--radius);
  font-size:14.5px;color:var(--ink-2);line-height:1.85;text-align:center;
}
.chain-note b{color:var(--accent)}
.chain-layer{
  margin-top:34px;display:grid;gap:12px;
}
.chain-layer .layer{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;background:#fff;
}
.chain-layer .layer .k{font-size:13.5px;font-weight:700;color:var(--brand-d)}
.chain-layer .layer .v{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.chain-layer .layer.up{border-left:4px solid var(--accent)}
.chain-layer .layer.up .k{color:var(--accent)}

/* 产品卡（Valuator / 绿易智 / 绿税云） */
.prod{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  display:flex;flex-direction:column;transition:all .32s var(--ease);
}
.prod:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--brand-b)}
.prod-top{padding:28px 28px 0}
.prod-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  background:var(--brand);color:#fff;border-radius:100px;padding:4px 13px;margin-bottom:16px;
}
.prod-badge.gray{background:var(--ink-4)}
.prod h3{font-size:22px;margin-bottom:4px}
.prod .en{font-size:12.5px;letter-spacing:.14em;color:var(--ink-4);text-transform:uppercase;margin-bottom:14px}
.prod p{font-size:15px;color:var(--ink-2);line-height:1.85;padding:0 28px}
.prod .prod-list{padding:20px 28px 26px;margin-top:auto}
.prod .prod-list li{font-size:14px;color:var(--ink-2);padding-left:20px;position:relative;margin-bottom:8px;line-height:1.75}
.prod .prod-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--brand)}

/* ==========================================================================
   信任条 / 资质
   ========================================================================== */
.trust{
  background:var(--dark);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.trust::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.trust .wrap{position:relative;z-index:1}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:36px}
.trust-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);
  padding:22px 24px;transition:all .3s var(--ease);
}
.trust-item:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}
.trust-item .n{font-size:26px;font-weight:700;color:#5fd894;line-height:1.2}
.trust-item .l{font-size:14px;color:rgba(255,255,255,.78);margin-top:8px;line-height:1.7}
.trust-item .d{font-size:12px;color:rgba(255,255,255,.45);margin-top:5px}

/* ==========================================================================
   团队
   ========================================================================== */
.team-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:28px;
  transition:all .3s var(--ease);
}
.team-card:hover{border-color:var(--brand-b);box-shadow:var(--shadow)}
.team-card .avatar{
  width:64px;height:64px;border-radius:50%;background:var(--brand-l);color:var(--brand-d);
  display:grid;place-items:center;font-size:23px;font-weight:700;margin-bottom:18px;
}
.team-card h3{font-size:20px;margin-bottom:3px}
.team-card .role{font-size:13.5px;color:var(--brand-d);font-weight:700;margin-bottom:14px}
.team-card .desc{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px}
.team-card .cv{display:grid;gap:8px;padding-top:16px;border-top:1px dashed var(--line)}
.team-card .cv li{font-size:13.5px;color:var(--ink-3);padding-left:16px;position:relative;line-height:1.7}
.team-card .cv li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brand-b)}

/* ==========================================================================
   时间线 / 政策清单
   ========================================================================== */
.policy-list{display:grid;gap:14px}
.policy-item{
  display:grid;grid-template-columns:104px 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;
  transition:all .28s var(--ease);
}
.policy-item:hover{border-color:var(--brand-b);box-shadow:var(--shadow)}
.policy-item .yr{
  font-size:15px;font-weight:700;color:var(--brand-d);text-align:center;
  background:var(--brand-l);border-radius:8px;padding:8px 4px;line-height:1.4;
}
.policy-item .yr small{display:block;font-size:11px;color:var(--ink-3);font-weight:400}
.policy-item .doc{font-size:15px;font-weight:700;line-height:1.65;margin-bottom:6px}
.policy-item .desc{font-size:13.5px;color:var(--ink-3);line-height:1.75}

/* 阶梯列表 */
.ladder{display:grid;gap:16px;counter-reset:lad}
.ladder li{
  counter-increment:lad;position:relative;padding:22px 26px 22px 74px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  transition:all .3s var(--ease);
}
.ladder li:hover{border-color:var(--brand-b);box-shadow:var(--shadow)}
.ladder li::before{
  content:counter(lad,decimal-leading-zero);position:absolute;left:24px;top:22px;
  font-size:20px;font-weight:700;color:var(--brand);letter-spacing:-.02em;
}
.ladder li b{display:block;font-size:17px;margin-bottom:7px}
.ladder li p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ==========================================================================
   图库
   ========================================================================== */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.gallery figure{
  border-radius:var(--radius);overflow:hidden;background:var(--bg-2);
  aspect-ratio:4/3;position:relative;transition:all .3s var(--ease);
}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.gallery figure:hover{box-shadow:var(--shadow-l)}
.gallery figure:hover img{transform:scale(1.06)}

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta{
  position:relative;overflow:hidden;background:linear-gradient(120deg,#053f22 0%,#067a3d 48%,#05a045 100%);
  color:#fff;padding:80px 0;text-align:center;
}
.cta::after{
  content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta .wrap{position:relative;z-index:1}
.cta h2{font-size:clamp(23px,3vw,35px);color:#fff}
.cta p{margin:16px auto 32px;max-width:660px;color:rgba(255,255,255,.85);font-size:16px;line-height:1.85}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 联系卡 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:38px;text-align:left}
.contact-item{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:22px 24px;
}
.contact-item .k{font-size:12.5px;letter-spacing:.14em;color:rgba(255,255,255,.6);text-transform:uppercase;margin-bottom:9px}
.contact-item .v{font-size:16px;font-weight:700;color:#fff;line-height:1.6;word-break:break-all}
.contact-item .v.todo{color:#ffd166;font-weight:400;font-size:14px}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{background:#0a1710;color:rgba(255,255,255,.62);padding:60px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand img{height:40px;filter:brightness(0) invert(1);opacity:.92;margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;max-width:320px}
.footer-brand .fslogan{margin-top:16px;font-size:14px;color:#5fd894;font-weight:700;letter-spacing:.02em}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.site-footer li{margin-bottom:11px;font-size:13.5px}
.site-footer li a:hover{color:#5fd894}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.42);
}
.footer-bottom a:hover{color:#5fd894}

/* 回到顶部 */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:800;width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 22px rgba(5,160,69,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-d);transform:translateY(-3px)}
.to-top svg{width:19px;height:19px}

/* 悬浮联系按钮（沿用原站浮动按钮位置） */
.float-cta{
  position:fixed;right:26px;bottom:86px;z-index:800;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;
  padding:12px 20px;border-radius:100px;box-shadow:0 8px 22px rgba(5,160,69,.34);
  transition:all .3s var(--ease);
}
.float-cta:hover{background:var(--brand-d);transform:translateY(-3px)}

/* ==========================================================================
   滚动进场
   ========================================================================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1180px){
  .nav-menu > li > a{padding:10px 11px;font-size:14.5px}
  .nav-logo img{height:40px}
}

@media (max-width:1024px){
  .nav-menu,.nav-actions .nav-login{display:none}
  .nav-burger{display:block}


  .nav-menu{
    display:flex;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;background:#fff;
    padding:16px 20px 40px;overflow-y:auto;
    transform:translateX(100%);transition:transform .34s var(--ease);
    border-top:1px solid var(--line);
  }
  body.nav-open .nav-menu{transform:none}
  .nav-menu > li{border-bottom:1px solid var(--line-2)}
  .nav-menu > li > a{padding:17px 6px;font-size:16.5px;border-radius:0}
  .nav-menu > li > a.active::after{display:none}
  .nav-menu > li > a.active{color:var(--accent)}
  .nav-mobile-extra{display:block!important;padding:26px 6px 0}
  .section{padding:64px 0}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .tab-grid{grid-template-columns:1fr;gap:30px}
  .tab-grid .tab-img{order:-1}
  .chain-flow{grid-template-columns:1fr;gap:14px}
  .chain-arrow{transform:rotate(90deg);font-size:22px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:720px){
  body{font-size:15.5px}
  .wrap,.wrap-narrow{padding:0 18px}
  .section{padding:52px 0}
  .section-sm{padding:42px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .sec-head{margin-bottom:32px}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 64px) 18px 72px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-scroll{display:none}
  .page-hero{min-height:auto;padding:calc(var(--nav-h) + 46px) 18px 44px}
  .tabs-bar{border-radius:var(--radius-l);padding:8px;gap:8px}
  .tabs-bar button{flex:1 0 44%;min-width:0;font-size:14px;padding:11px 8px;border-radius:8px}
  .chain{padding:26px 18px}
  .chain-layer .layer{grid-template-columns:1fr;gap:6px}
  .policy-item{grid-template-columns:1fr;gap:12px}
  .policy-item .yr{text-align:left;padding:7px 14px;display:inline-block}
  .ladder li{padding:18px 18px 18px 58px}
  .ladder li::before{left:18px;top:18px;font-size:17px}
  .card{padding:24px 20px}
  .trust{padding:52px 0}
  .cta{padding:56px 0}
  .cta-btns{flex-direction:column}
  .cta-btns .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .float-cta{display:none}
  .to-top{right:16px;bottom:16px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:20px 16px}
}

@media (max-width:420px){
  .stats{grid-template-columns:1fr}
  .tabs-bar button{flex:1 0 100%}
}

/* 打印 */
@media print{
  .site-header,.to-top,.float-cta,.hero-scroll,.cta-btns{display:none!important}
  .hero,.page-hero{min-height:auto;color:#000;padding:20px}
  .hero-bg{display:none}
  .reveal{opacity:1;transform:none}
}


/* ==========================================================================
   补充：页脚联系方式 / 工商信息表 / 案例卡 / 新闻模块 / 后台
   ========================================================================== */

/* 页脚联系方式 */
.footer-contact{display:grid;gap:9px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1)}
.footer-contact a{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);align-items:baseline}
.footer-contact a span{flex:none;font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.4);min-width:28px}
.footer-contact a:hover{color:#5fd894}

/* 工商信息表 */
.info-table{width:100%;border-collapse:collapse;font-size:14.2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden}
.info-table th,.info-table td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line)}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}
.info-table th{background:var(--brand-l);color:#0b5c38;font-weight:700;width:190px;font-size:13.5px;white-space:nowrap}
.info-table td{color:var(--ink-2)}

/* 案例卡 */
.case-card{display:flex;flex-direction:column}
.case-card .case-no{
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);
  background:var(--accent-l);border-radius:100px;padding:3px 12px;align-self:flex-start;margin-bottom:14px;
}
.case-card h3{font-size:18px;margin-bottom:12px}
.case-card .case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.case-card .tag-plain{
  font-size:12.3px;color:var(--ink-2);background:var(--bg-2);border:1px solid var(--line);
  border-radius:5px;padding:2px 10px;
}
.case-card .tag-plain.brand{color:var(--brand-d);background:var(--brand-l);border-color:var(--brand-b);font-weight:700}
.case-card p{font-size:14.3px;color:var(--ink-2);line-height:1.88}

/* ==========================================================================
   新闻模块
   ========================================================================== */
.news-list{display:grid;gap:20px}
.news-item{
  display:grid;grid-template-columns:210px 1fr;gap:28px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;transition:all .3s var(--ease);
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--brand-b)}
.news-item .thumb{background:var(--brand-l);display:grid;place-items:center;overflow:hidden;min-height:170px}
.news-item .thumb img{width:100%;height:100%;object-fit:cover}
.news-item .thumb .ph{color:var(--brand-d);opacity:.5;font-size:12px;letter-spacing:.14em;font-weight:700}
.news-item .txt{padding:26px 28px 26px 0}
.news-item .meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:12px}
.news-item .cat{
  font-size:12px;font-weight:700;color:var(--brand-d);background:var(--brand-l);
  border-radius:5px;padding:2.5px 11px;
}
.news-item .date{font-size:13px;color:var(--ink-4);letter-spacing:.02em}
.news-item h3{font-size:19px;margin-bottom:10px;line-height:1.55}
.news-item h3 a:hover{color:var(--brand)}
.news-item p{font-size:14.3px;color:var(--ink-2);line-height:1.85}
.news-item .more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand)}
.news-empty{
  text-align:center;padding:70px 20px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--radius-l);color:var(--ink-3);
}

/* 文章正文 */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:clamp(26px,5vw,54px)}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:30px}
.article-head h1{font-size:clamp(22px,3.2vw,32px);line-height:1.45}
.article-head .meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:18px}
.article-body{font-size:16.5px;line-height:2.05;color:var(--ink-2)}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:19px;color:var(--ink);margin:32px 0 14px}
.article-body b,.article-body strong{color:var(--ink)}
.article-body ul{margin:0 0 20px 0}
.article-body ul li{padding-left:22px;position:relative;margin-bottom:9px}
.article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-b)}
.article-body img{border-radius:var(--radius);margin:8px 0 22px}
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}

/* ==========================================================================
   后台（admin.html）
   ========================================================================== */
.admin-body{background:var(--bg-2);min-height:100vh;padding:24px 0 80px}
.admin-wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.admin-hd{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:22px 26px;margin-bottom:22px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;align-items:center;
}
.admin-hd h1{font-size:20px}
.admin-hd .sub{font-size:13px;color:var(--ink-3);margin-top:5px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:26px;margin-bottom:20px}
.admin-card h2{font-size:16.5px;margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--ink-2)}
.field input[type=text],.field input[type=date],.field select,.field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:9px;
  font:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(5,160,69,.1)}
.field textarea{min-height:190px;line-height:1.85;resize:vertical;font-family:inherit}
.field .hint{font-size:12.3px;color:var(--ink-4);margin-top:6px;line-height:1.7}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.admin-list{display:grid;gap:10px;margin-bottom:20px}
.admin-row{
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;
}
.admin-row .t{font-size:14.5px;font-weight:700;margin-bottom:3px}
.admin-row .m{font-size:12.5px;color:var(--ink-4)}
.admin-row .ops{display:flex;gap:8px;flex-wrap:wrap}
.btn-xs{padding:6px 14px;font-size:13px;border-radius:7px;font-weight:700}
.btn-danger{background:var(--accent-l);color:var(--accent);border:1px solid #f0c4c4}
.btn-danger:hover{background:var(--accent);color:#fff}
.btn-grey{background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line)}
.btn-grey:hover{border-color:var(--brand);color:var(--brand-d)}
.notice{
  background:var(--amber-l);border:1px solid #ecdca6;border-left:4px solid var(--amber);
  border-radius:0 10px 10px 0;padding:15px 19px;font-size:13.6px;line-height:1.85;color:#7a5b09;margin-bottom:20px;
}
.notice b{color:#5e4607}
.status{font-size:13px;font-weight:700;color:var(--brand-d);margin-left:10px;opacity:0;transition:opacity .3s}
.status.show{opacity:1}
.img-preview{max-width:260px;border-radius:9px;border:1px solid var(--line);margin-top:12px}
.steps{counter-reset:st;display:grid;gap:10px;margin:14px 0 0}
.steps li{counter-increment:st;padding-left:30px;position:relative;font-size:13.8px;color:var(--ink-2);line-height:1.8}
.steps li::before{content:counter(st);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:5px;background:var(--brand-l);color:var(--brand-d);font-size:12px;font-weight:700;display:grid;place-items:center}

/* 桌面导航容纳 8 个栏目 */
@media (min-width:1181px){
  .nav-menu > li > a{padding:10px 12px;font-size:14.5px}
}
@media (max-width:1024px){
  .news-item{grid-template-columns:1fr}
  .news-item .txt{padding:0 24px 24px}
  .news-item .thumb{min-height:190px}
}
@media (max-width:720px){
  .row2{grid-template-columns:1fr}
  .admin-hd,.admin-card{padding:20px}
  .article{padding:24px 20px}
  .info-table th{width:auto}
  .info-table th,.info-table td{display:block;border-bottom:none;padding:9px 16px}
  .info-table tr{border-bottom:1px solid var(--line)}
  .info-table th{padding-bottom:2px}
}


/* ---- 小屏顶栏收纳（避免 logo+CTA+汉堡 挤破视口） ---- */
@media (max-width:880px){
  .nav-actions > .btn{display:none}
}
@media (max-width:560px){
  .nav-logo small{display:none}
  .nav-logo span{font-size:17px}
  .nav-logo img{height:38px}
}
@media (max-width:400px){
  .nav-logo span{display:none}
}


/* ---- 小屏顶栏收纳（避免 logo+CTA+汉堡 挤破视口） ---- */
@media (max-width:880px){
  .nav-actions > .btn{display:none}
}
@media (max-width:560px){
  .nav-logo small{display:none}
  .nav-logo span{font-size:17px}
  .nav-logo img{height:38px}
}
@media (max-width:400px){
  .nav-logo span{display:none}
}


/* ==========================================================================
   产品与系统页
   ========================================================================== */
.notice-block{
  background:var(--brand-l);border:1px solid var(--brand-b);border-radius:var(--radius-l);
  padding:20px 26px;font-size:14.3px;line-height:1.9;color:var(--ink-2);
}
.notice-block b{color:#0b5c38}

.sys-card{display:flex;flex-direction:column;height:100%}
.sys-card .sys-pos{
  font-size:14px;font-weight:700;color:var(--brand-d);
  margin:2px 0 16px;
}
.sys-card .prod-top{padding-bottom:0}
.sys-card .prod-list{padding:20px 28px 0;margin-top:0}
.sys-card .sys-meta{
  padding:20px 28px 0;margin-top:auto;display:grid;gap:12px;
  border-top:1px dashed var(--line);margin-top:20px;padding-top:20px;
}
.sys-card .sys-meta .row{font-size:13.6px;line-height:1.8;color:var(--ink-2)}
.sys-card .sys-meta .k{
  display:inline-block;font-size:11.5px;font-weight:700;color:var(--brand-d);
  background:var(--brand-l);border-radius:4px;padding:1px 8px;margin-right:8px;vertical-align:1px;
}
.sys-card .sys-foot{padding:18px 28px 26px;display:flex;gap:10px;flex-wrap:wrap}

/* 「系统入口」里的可点击卡片 */
a.trust-item{display:block;text-decoration:none;cursor:pointer}
a.trust-item:hover .n{color:#8ef0b6}
a.trust-item .d::after{content:""}


/* ---- 公司架构：两张公司卡并排 ---- */
.org-grid{gap:28px;align-items:stretch}
.org-card{display:flex;flex-direction:column;padding:0;overflow:hidden;height:100%}
.org-card .org-logo{
  display:grid;place-items:center;background:var(--bg-2);
  min-height:190px;padding:26px;
}
.org-card .org-logo img{max-height:150px;width:auto;object-fit:contain}
.org-card .org-body{padding:28px;display:flex;flex-direction:column;flex:1}
.org-card .org-body h3{font-size:19px;margin-bottom:12px;line-height:1.5}
.org-card .org-body p{font-size:14.6px;color:var(--ink-2);line-height:1.9;margin:0}
.org-badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand-d);
  background:var(--brand-l);border-radius:100px;padding:3px 12px;vertical-align:3px;margin-left:6px;
}
@media (max-width:720px){
  .org-card .org-logo{min-height:150px;padding:20px}
  .org-card .org-logo img{max-height:110px}
  .org-card .org-body{padding:22px 20px}
}