/* =========================================================
   中益环保 · 企业营销站设计系统「ZHONGYI ECO 森境 SENSES」
   设计语言：森林深绿骨架 × 生机翠绿主张 × 沙金点缀 · 化工环保行业
   风格定位：明亮生态底 + 深色骨架节奏 / 细线框卡片 / 超大留白 / 编辑感排版
   参考气质：国际环保集团官网（Veolia · Suez 式企业感）
   全部 JS DOM 钩子与后台数据逻辑保持不变（仅表现层重构）。
   版本标记 &t=eco6 用于浏览器缓存穿透。
   ========================================================= */

/* ---------- 设计变量 ---------- */
:root{
  /* 深色骨架 */
  --ink:#04190f;
  --ink-2:#07261a;
  --ink-3:#0a3524;
  --ink-4:#0d4230;
  /* 品牌绿系 */
  --brand:#0e8a5f;          /* 森林绿（主品牌色） */
  --brand-dark:#0a6b49;     /* 悬停/文字 */
  --brand-deep:#064a33;     /* 深绿 */
  --leaf:#2ec27e;           /* 生机绿（亮点/数据/悬停高光） */
  --leaf-soft:#dcf6e8;
  --teal:#0d9488;           /* 青瓷绿（辅助） */
  --sky:#3fa9d8;            /* 天青（极少点缀） */
  --accent:#c8973f;         /* 沙金（克制点缀） */
  --accent-dark:#a87a29;
  --accent-soft:#fbf4e6;
  /* 底色层次 */
  --bg:#ffffff;
  --bg-soft:#f6faf8;
  --bg-soft-2:#eaf3ee;
  --bg-soft-3:#dcebe3;
  --text:#0d2118;
  --muted:#5a7268;
  --line:#e6eee9;
  --line-strong:#cfdfd6;
  /* 形状与节奏 */
  --radius:8px;
  --radius-sm:5px;
  --radius-xs:4px;
  --maxw:1400px;
  --header-h:76px;
  --catbar-h:0px;
  --sec-y:104px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  /* 阴影（克制：细线感优先，阴影只做浮起暗示） */
  --shadow-sm:0 1px 2px rgba(4,25,15,.04),0 4px 12px -8px rgba(4,25,15,.10);
  --shadow:0 2px 6px rgba(4,25,15,.04),0 16px 40px -26px rgba(4,25,15,.20);
  --shadow-lg:0 4px 12px rgba(4,25,15,.05),0 32px 60px -32px rgba(4,25,15,.26);
  --shadow-glow:0 12px 28px -14px rgba(14,138,95,.45);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.75;font-size:15px;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:14px}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid rgba(14,138,95,.5);outline-offset:2px}
h1,h2,h3{text-wrap:balance}
.num,.count-up,.ap-num,.b-num,.ins-date,.art-date .d{font-variant-numeric:tabular-nums}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* 跳转无障碍 */
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--brand);color:#fff;
  padding:8px 16px;font-size:13px}
.skip-link:focus{left:0}

/* ---------- 通用按钮（方形微圆角，企业感） ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 28px;
  font-size:14px;font-weight:700;letter-spacing:.02em;border-radius:var(--radius-xs);
  transition:all .3s var(--ease);white-space:nowrap}
.btn .arr{transition:transform .3s var(--ease);font-weight:700}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);
  box-shadow:0 16px 34px -14px rgba(14,138,95,.55)}
.btn-outline{border:1px solid var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 栏目标题（编辑感：细线 + 序号水印） ---------- */
.sec{padding:var(--sec-y) 0;position:relative}
.sec-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:linear-gradient(150deg,var(--ink),var(--ink-3) 62%,var(--brand-deep));color:#a9c6b8}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:52px;flex-wrap:wrap;position:relative}
.sec-head>div{flex:1;min-width:220px;position:relative;z-index:2}
/* 大号序号水印（编辑感排版） */
.sec-head[data-num]::after{content:attr(data-num);position:absolute;right:0;top:-46px;z-index:1;
  font-size:clamp(64px,8vw,120px);font-weight:800;line-height:1;letter-spacing:-.04em;
  color:var(--brand);opacity:.07;pointer-events:none;user-select:none}
.sec-dark .sec-head[data-num]::after{color:#fff;opacity:.06}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;font-weight:800;
  letter-spacing:.24em;text-transform:uppercase;color:var(--brand-dark);
  padding:0 0 0 14px;position:relative;margin-bottom:16px}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;background:var(--brand)}
.eyebrow svg{width:13px;height:13px;color:var(--brand);flex-shrink:0}
.sec-head h2{font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.18;
  letter-spacing:-.012em;color:var(--ink);position:relative}
.sec-head h2::after{content:"";display:block;width:44px;height:3px;border-radius:0;margin-top:18px;
  background:var(--brand)}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head h2::after{background:var(--leaf)}
.sec-sub{margin-top:14px;color:var(--muted);font-size:14.5px;max-width:600px;line-height:1.9}
.sec-dark .sec-sub{color:#8fb3a3}
.sec-more{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;
  font-weight:700;letter-spacing:.03em;color:var(--brand-dark);padding:11px 22px;
  border:1px solid var(--line-strong);border-radius:var(--radius-xs);transition:all .3s var(--ease);
  background:#fff;position:relative;z-index:2}
.sec-more:hover{background:var(--brand);border-color:var(--brand);color:#fff;gap:12px}
.sec-dark .sec-more{color:#fff;border-color:rgba(255,255,255,.28);background:transparent}
.sec-dark .sec-more:hover{background:var(--leaf);color:var(--ink);border-color:var(--leaf)}

/* 自然叶片装饰图标（保留钩子） */
.leaf-ic{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

/* ---------- 顶部导航（浅底 · 细线 · 玻璃） ---------- */
.topbar{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--header-h);
  background:rgba(255,255,255,.94);backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);
  border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease),border-color .3s}
.topbar::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:1;
  background:linear-gradient(90deg,var(--brand),var(--leaf) 62%,var(--accent))}
.topbar.scrolled{box-shadow:0 10px 30px -20px rgba(4,25,15,.30);border-bottom-color:var(--line-strong)}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:100%;
  display:flex;align-items:center;gap:20px}
.topbar-logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-img{height:46px;width:auto;display:block;object-fit:contain}
.logo-fallback{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;
  color:var(--ink);letter-spacing:-.01em}
.logo-fallback .lf-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  font-size:11px;font-weight:800;letter-spacing:.1em;color:#fff;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  border-radius:var(--radius-xs);box-shadow:0 8px 18px -10px rgba(14,138,95,.7)}
.logo-fallback .lf-mark svg{width:19px;height:19px}
.logo-fallback .lf-text{display:flex;flex-direction:column;line-height:1.15}
.logo-fallback .lf-text em{font-style:normal;font-size:9px;font-weight:700;letter-spacing:.26em;
  color:var(--brand);margin-top:3px}
.topbar-date{flex-shrink:0;display:flex;flex-direction:column;justify-content:center;line-height:1.3;
  padding-left:18px;margin-left:4px;border-left:1px solid var(--line-strong)}
.topbar-date b{color:var(--ink);font-size:12.5px;font-weight:800;letter-spacing:.02em}
.topbar-date i{font-style:normal;color:var(--muted);font-size:11px;letter-spacing:.06em;margin-top:2px}
.topbar-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.topbar-nav>a{position:relative;padding:9px 15px;font-size:14px;font-weight:600;
  letter-spacing:.02em;color:#2c4438;transition:color .25s;border-radius:var(--radius-xs)}
.topbar-nav>a:hover{color:var(--brand-dark)}
.topbar-nav>a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.topbar-nav>a:hover::after,.topbar-nav>a.active::after{transform:scaleX(1)}
.topbar-nav>a.active{color:var(--brand-dark);font-weight:700}
.topbar-phone{display:flex;align-items:center;gap:8px;color:var(--ink);
  font-weight:800;font-size:14px;letter-spacing:.01em;flex-shrink:0;
  border:1px solid var(--line-strong);border-radius:var(--radius-xs);padding:8px 15px;
  transition:border-color .25s,color .25s}
.topbar-phone:hover{border-color:var(--brand);color:var(--brand-dark)}
.topbar-phone svg{width:15px;height:15px;color:var(--brand)}
.btn-nav{background:var(--brand);color:#fff!important;font-weight:700;letter-spacing:.02em;
  border-radius:var(--radius-xs);padding:10px 22px!important;margin-left:4px;font-size:13px;
  transition:all .3s var(--ease);box-shadow:var(--shadow-glow)}
.btn-nav:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-nav::after{display:none}
.topbar-cta{display:inline-flex;margin-left:2px;flex-shrink:0}
.hamburger{display:none;flex-direction:column;gap:4.5px;padding:8px;margin-left:auto}
.hamburger span{width:24px;height:2px;background:var(--ink);transition:all .3s var(--ease)}
.hamburger.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* 移动端抽屉菜单（深色骨架） */
.mobile-menu{position:fixed;inset:0;z-index:195;
  background:linear-gradient(155deg,var(--ink),var(--ink-3));
  opacity:0;visibility:hidden;transition:all .35s var(--ease)}
.mobile-menu.active{opacity:1;visibility:visible}
.mobile-menu-inner{height:100%;display:flex;flex-direction:column;justify-content:center;
  padding:80px 36px;gap:2px;overflow-y:auto}
.mobile-menu-inner a{font-size:21px;font-weight:700;color:#fff;padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;
  align-items:center;transition:all .25s;letter-spacing:.01em}
.mobile-menu-inner a::after{content:"\2192";color:var(--leaf);font-size:17px}
.mobile-menu-inner a:hover{color:var(--leaf);padding-left:8px}
.mobile-menu-inner a.cta{color:var(--leaf)}
.mobile-menu-inner .mm-cats{margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.mobile-menu-inner .mm-cats a{font-size:15px;font-weight:500;color:rgba(255,255,255,.62)}
.mobile-menu-inner .mm-cats a::after{content:""}

/* ---------- 首页 HERO：幻灯片（纯净广告图展示） ---------- */
.hero-slider{position:relative;width:100%;aspect-ratio:2560/800;height:auto;
  margin-top:var(--header-h);background:var(--ink-2);overflow:hidden;transition:height .4s var(--ease)}
body:has(.cat-bar) .hero-slider{margin-top:calc(var(--header-h) + var(--catbar-h))}
@supports not (aspect-ratio: 1 / 1){
  .hero-slider{min-height:420px}
}
.hero-stage{position:absolute;inset:0;overflow:hidden;z-index:2}
.hero-track{display:flex;height:100%;width:100%;transition:transform .8s var(--ease);will-change:transform}
.hero-slide-item{flex:0 0 100%;height:100%;position:relative;min-width:0;overflow:hidden}
.hero-slide-item img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-slide-item.is-active img{animation:kbFade 1s ease-out both}
@keyframes kbFade{from{opacity:.9}to{opacity:1}}
.hero-slide-item>a{display:block;height:100%}
.hero-slide-item .noimg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--ink-3),var(--brand-deep));color:#fff;font-weight:800;
  font-size:26px;letter-spacing:.1em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero-ctrl{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:5;
  display:flex;align-items:center;gap:14px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);
  box-shadow:0 12px 30px -16px rgba(4,25,15,.45)}
.hero-arrow{width:36px;height:36px;border:1px solid var(--line-strong);color:var(--ink);border-radius:50%;
  background:#fff;transition:all .28s var(--ease);display:flex;align-items:center;
  justify-content:center;flex-shrink:0}
.hero-arrow:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.hero-arrow svg{width:16px;height:16px}
.hero-dots{display:flex;gap:7px;align-items:center}
.slide-dot{width:24px;height:3px;border-radius:0;background:var(--line-strong);border:none;
  padding:0;cursor:pointer;transition:all .28s var(--ease)}
.slide-dot.active{background:var(--brand);width:40px}

@media (max-width:720px){
  .hero-slider{aspect-ratio:16/10;min-height:280px;max-height:none}
  .hero-ctrl{bottom:14px;gap:10px;padding:6px 10px}
  .hero-arrow{width:30px;height:30px}
  .slide-dot{width:16px}.slide-dot.active{width:26px}
}

/* ---------- 绿色发展理念：环保价值带（深色骨架） ---------- */
.eco-band{background:linear-gradient(120deg,var(--ink),var(--ink-3) 55%,var(--brand-deep));position:relative;overflow:hidden}
.eco-band::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px}
.eco-band::after{content:"";position:absolute;right:-100px;top:-130px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(46,194,126,.22),transparent 70%)}
.eco-band-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:34px 32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.eco-pillar{display:flex;align-items:center;gap:15px;padding:8px 26px;
  border-left:1px solid rgba(255,255,255,.12);transition:background .3s var(--ease)}
.eco-pillar:first-child{border-left:none;padding-left:0}
.eco-pillar:hover{background:rgba(255,255,255,.04)}
.ep-icon{width:46px;height:46px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.09);flex-shrink:0;border:1px solid rgba(255,255,255,.16)}
.ep-icon svg{width:22px;height:22px;color:var(--leaf)}
.ep-1{background:rgba(46,194,126,.14);border-color:rgba(46,194,126,.32)}
.ep-2{background:rgba(13,148,136,.16);border-color:rgba(13,148,136,.34)}
.ep-3{background:rgba(63,169,216,.14);border-color:rgba(63,169,216,.32)}
.ep-4{background:rgba(200,151,63,.14);border-color:rgba(200,151,63,.32)}
.ep-2 svg{color:#5fd3c8}
.ep-3 svg{color:#6cc4e6}
.ep-4 svg{color:#e0b463}
.ep-copy h3{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:.02em}
.ep-copy p{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:3px;letter-spacing:.02em}
@media (max-width:1080px){
  .eco-band-inner{grid-template-columns:repeat(2,1fr);gap:10px;padding:26px 32px}
  .eco-pillar{padding:8px 18px}
  .eco-pillar:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:720px){
  .eco-band-inner{grid-template-columns:1fr;gap:2px;padding:20px 16px}
  .eco-pillar{padding:10px 0;border-left:none}
}

/* ---------- 核心业务：细线框封面卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  display:flex;flex-direction:column}
.svc-card::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--leaf));
  transition:width .4s var(--ease);z-index:6}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand)}
.svc-card:hover::before{width:100%}
.svc-row-link{position:absolute;inset:0;z-index:3}
.svc-cover{position:relative;aspect-ratio:2560/800;display:flex;align-items:center;justify-content:center;
  overflow:hidden;background:linear-gradient(140deg,var(--brand),var(--brand-deep))}
.svc-cover::after{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 80% at 85% 15%,rgba(255,255,255,.16),transparent 55%)}
.svc-cover img{width:100%;height:100%;object-fit:contain;display:block;position:relative;z-index:1;
  transition:filter .5s var(--ease)}
.svc-card:hover .svc-cover img{filter:brightness(1.05)}
.svc-cover .svc-icon{width:66px;height:66px;border-radius:var(--radius);margin:0;position:relative;z-index:1;
  box-shadow:0 16px 32px -16px rgba(4,25,15,.5);transition:transform .35s var(--ease)}
.svc-cover .svc-icon svg{width:32px;height:32px}
.svc-card:hover .svc-cover .svc-icon{transform:scale(1.06) rotate(-3deg)}
.svc-icon{display:flex;align-items:center;justify-content:center;color:#fff}
.svc-num{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:800;color:#fff;
  background:rgba(255,255,255,.18);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);
  padding:3px 11px;border-radius:var(--radius-xs);letter-spacing:.08em;z-index:4}
.svc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;position:relative;z-index:2}
.svc-body h3{font-size:18px;font-weight:800;color:var(--ink);line-height:1.35;letter-spacing:-.005em;
  position:relative;z-index:2;transition:color .25s}
.svc-card:hover .svc-body h3{color:var(--brand-dark)}
.svc-body>p{margin-top:9px;color:var(--muted);font-size:13.5px;line-height:1.78;position:relative;z-index:2;flex:1}
.si-1{background:linear-gradient(140deg,var(--brand),var(--brand-deep))}
.si-2{background:linear-gradient(140deg,#12a150,#0a6b3f)}
.si-3{background:linear-gradient(140deg,var(--teal),#0a6b62)}
.si-4{background:linear-gradient(140deg,#3fa9d8,#1d6f96)}
.si-5{background:linear-gradient(140deg,#0ea5e9,#0b6d9e)}
.si-6{background:linear-gradient(140deg,#2ec27e,#12855c)}
.si-7{background:linear-gradient(140deg,#16a34a,#0b6b31)}
.si-8{background:linear-gradient(140deg,#65a30d,#3f6b0a)}
.svc-subs{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px;position:relative;z-index:4}
.svc-subs a{font-size:11.5px;letter-spacing:.02em;font-weight:600;color:var(--brand-dark);
  background:#fff;border:1px solid var(--line);padding:4px 11px;border-radius:var(--radius-xs);transition:all .25s}
.svc-subs a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.svc-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:12.5px;
  font-weight:800;letter-spacing:.06em;color:var(--brand-dark);position:relative;z-index:4;
  transition:gap .25s var(--ease)}
.svc-card:hover .svc-arrow{gap:12px;color:var(--brand)}

/* ---------- 核心优势 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px 32px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;overflow:hidden}
.feat-card::before{content:"";position:absolute;left:0;top:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--leaf));transition:width .4s var(--ease)}
.feat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand)}
.feat-card:hover::before{width:100%}
.feat-icon{position:relative;width:62px;height:62px;border-radius:var(--radius);margin:0 0 22px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:transform .4s var(--ease)}
.feat-icon svg{width:28px;height:28px}
.fe-1,.fi-1{background:linear-gradient(140deg,var(--brand),var(--brand-deep))}
.fe-2,.fi-2{background:linear-gradient(140deg,#12a150,#0a6b3f)}
.fe-3,.fi-3{background:linear-gradient(140deg,var(--teal),#0a6b62)}
.fe-4,.fi-4{background:linear-gradient(140deg,#3fa9d8,#1d6f96)}
.feat-card:hover .feat-icon{transform:translateY(-4px)}
.feat-card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px;letter-spacing:-.005em}
.feat-card p{color:var(--muted);font-size:13.5px;line-height:1.85}

/* ---------- 关于我们：实力带（明亮生态底 + 细网格） ---------- */
.about-strip{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:var(--sec-y) 0;position:relative;overflow:hidden}
.about-strip::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:linear-gradient(rgba(14,138,95,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,138,95,.045) 1px,transparent 1px);
  background-size:56px 56px}
.about-strip-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.as-media{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;
  background:var(--bg-soft-2);border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.as-media a{display:block;width:100%;height:100%}
.as-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.as-media:hover img{transform:scale(1.03)}
.as-media .badge{position:absolute;left:0;bottom:0;background:#fff;border-top:1px solid var(--line);
  border-right:1px solid var(--line);border-radius:0 var(--radius) 0 0;padding:14px 22px;box-shadow:var(--shadow)}
.as-media .badge .b-num{font-size:24px;font-weight:800;color:var(--brand);line-height:1}
.as-media .badge .b-num em{font-style:normal;color:var(--accent);font-size:17px}
.as-media .badge .b-label{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.05em}
.as-copy h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.012em}
.as-copy h2::after{content:"";display:block;width:44px;height:3px;margin-top:18px;background:var(--brand)}
.as-copy p{margin-top:22px;color:#3c5548;font-size:15.5px;line-height:2.02;text-align:justify;
  text-justify:inter-ideograph}
.as-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:32px;
  border-top:1px solid var(--line-strong)}
.as-stat{padding:18px 16px 0 0;border-right:1px solid var(--line);transition:all .3s var(--ease)}
.as-stat:last-child{border-right:none}
.as-stat .num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.1;
  display:flex;align-items:baseline;gap:2px}
.as-stat .num em{font-style:normal;color:var(--accent);font-size:18px}
.as-stat .label{font-size:11.5px;color:var(--muted);margin-top:5px;letter-spacing:.05em}
.as-stat:hover .num{color:var(--brand-dark)}
.as-copy .btn{margin-top:28px}

/* ---------- 企业风采图墙（about.php） ---------- */
.about-gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:150px;gap:12px;margin-top:36px}
.about-gallery .ag-item{margin:0;border-radius:var(--radius-sm);overflow:hidden;position:relative;
  background:var(--bg-soft-2);border:1px solid var(--line);transition:transform .4s var(--ease),border-color .4s}
.about-gallery .ag-item a{display:block;width:100%;height:100%}
.about-gallery .ag-item:hover{transform:translateY(-3px);border-color:var(--brand)}
.about-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.about-gallery .ag-item:hover img{transform:scale(1.04)}
.about-gallery .ag-wide{grid-column:span 2;grid-row:span 2}
.about-gallery .ag-item::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 72%,rgba(4,25,15,.24))}

/* ---------- 行业实力条响应式补充 ---------- */
@media (max-width:1080px){
  .about-strip-grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:720px){
  .as-stats{grid-template-columns:repeat(2,1fr);gap:0}
  .as-stat{padding:14px 12px 0 0}
  .as-stat:nth-child(2n){border-right:none}
  .about-gallery{grid-auto-rows:120px;gap:9px}
  .about-gallery .ag-wide{grid-column:span 4}
  .about-gallery .ag-item{grid-column:span 2}
}

/* ---------- 合作表单（深色骨架 CTA） ---------- */
.cta-band{position:relative;background:linear-gradient(150deg,var(--ink),var(--ink-3) 58%,var(--brand-deep));
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--ink-4)}
.cta-band::before{content:"";position:absolute;right:-70px;top:-70px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(46,194,126,.26),transparent 70%)}
.cta-band::after{content:"";position:absolute;left:-70px;bottom:-110px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,151,63,.16),transparent 70%)}
.cta-inner{max-width:var(--maxw);margin:0 auto;padding:60px 40px;display:grid;
  grid-template-columns:1fr 1fr;gap:44px;align-items:center;position:relative;z-index:2}
.cta-pitch h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.2;color:#fff;letter-spacing:-.012em}
.cta-pitch>p{margin-top:16px;color:#a5c4b5;font-size:15px;max-width:470px;line-height:1.9}
.cta-perks{margin-top:26px;display:grid;gap:12px}
.cta-perks li{display:flex;align-items:center;gap:12px;font-size:14px;color:#d5e7dd}
.cta-perks li svg{width:17px;height:17px;color:var(--leaf);flex-shrink:0}
.cta-phone{margin-top:26px;display:flex;align-items:baseline;gap:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-xs);padding:14px 20px;
  width:fit-content}
.cta-phone .ap-label{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#87a998}
.cta-phone .ap-num{font-size:27px;font-weight:800;color:#fff;letter-spacing:.01em}
.form-card{background:#fff;border-radius:var(--radius);padding:32px 30px;box-shadow:var(--shadow-lg)}
.form-card .fc-title{font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-dark);margin-bottom:22px;display:flex;align-items:center;gap:9px}
.form-card .fc-title::before{content:"";width:20px;height:2px;background:var(--brand)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--muted)}
.req{color:var(--accent-dark)}
.form-group input,.form-group select,.form-group textarea{
  border:1px solid var(--line-strong);border-radius:var(--radius-xs);padding:11px 13px;
  background:#fff;color:var(--text);transition:border-color .25s,box-shadow .25s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,138,95,.10)}
.form-group textarea{min-height:80px;resize:vertical}
#phoneError{display:none;color:#d24a33;font-size:12px;margin-top:9px;grid-column:1/-1}
.form-agree{display:flex;align-items:flex-start;gap:8px;margin-top:17px;font-size:12px;color:var(--muted)}
.form-agree input{margin-top:2px;accent-color:var(--brand);width:15px;height:15px}
.form-agree a{color:var(--brand-dark);font-weight:600}
.btn-submit{width:100%;margin-top:19px;padding:14px;background:var(--brand);color:#fff;
  font-size:14.5px;font-weight:800;border-radius:var(--radius-xs);letter-spacing:.03em;
  transition:all .28s var(--ease);display:flex;align-items:center;justify-content:center;gap:8px;
  box-shadow:var(--shadow-glow)}
.btn-submit:hover:not(:disabled){background:var(--brand-dark);transform:translateY(-2px)}
.btn-submit:disabled{opacity:.6;cursor:not-allowed}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;animation:rot .7s linear infinite;display:inline-block}
@keyframes rot{to{transform:rotate(360deg)}}
.form-success{display:none;text-align:center;padding:36px 16px}
.form-success.show{display:block}
.form-success .fs-icon{font-size:44px;color:var(--brand);line-height:1}
.form-success h3{font-size:19px;font-weight:800;color:var(--ink);margin-top:14px}
.form-success p{color:var(--muted);margin-top:9px}

/* ---------- 页脚（深色骨架 · 细线分栏） ---------- */
.footer{background:linear-gradient(170deg,var(--ink),#03130b 72%);color:#7ba791;position:relative;margin-top:0}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;
  background:linear-gradient(90deg,var(--brand),var(--leaf) 55%,var(--accent))}
.footer::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px}
.footer-top{max-width:var(--maxw);margin:0 auto;padding:72px 32px 48px;position:relative;z-index:2;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand{font-size:clamp(24px,2.2vw,34px);font-weight:800;color:#fff;line-height:1.2;margin-bottom:16px;
  letter-spacing:-.01em}
.footer-brand em{font-style:normal;color:var(--leaf)}
.footer-brand-col{max-width:420px}
.footer-col h4{font-size:11px;font-weight:800;letter-spacing:.22em;color:#fff;
  margin-bottom:18px;text-transform:uppercase;position:relative;padding-bottom:11px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--brand)}
.footer-col p{font-size:13px;line-height:1.9;color:#6d9a85}
.footer-col a{display:block;font-size:13px;color:#6d9a85;padding:6px 0;transition:all .25s}
.footer-col a:hover{color:var(--leaf);padding-left:5px}
.footer-tel{display:inline-block;margin-top:16px;font-size:22px;font-weight:800;color:#fff;
  letter-spacing:.01em}
.footer-tel:hover{color:var(--leaf)!important;padding-left:0}
.footer-contact{display:flex;flex-direction:column;gap:7px;margin-top:14px}
.footer-contact .fc-item{font-size:12.5px;color:#6d9a85;letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.footer-contact .fc-item::before{content:"";width:4px;height:4px;background:var(--brand);flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);position:relative;z-index:2}
.footer-bottom-inner{max-width:var(--maxw);margin:0 auto;padding:20px 32px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;letter-spacing:.03em;color:rgba(255,255,255,.34)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--leaf)}

/* 返回顶部 */
.back-to-top{position:fixed;right:26px;bottom:26px;z-index:150;width:44px;height:44px;
  border:none;color:#fff;font-size:16px;border-radius:var(--radius-xs);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s var(--ease);
  background:var(--brand);box-shadow:var(--shadow-glow)}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--brand-dark);transform:translateY(-3px)}

/* ---------- 内页 HERO（深色骨架） ---------- */
.page-hero{position:relative;background:linear-gradient(150deg,var(--ink),var(--ink-3) 60%,var(--brand-deep));
  color:#fff;overflow:hidden;padding:calc(var(--header-h) + var(--catbar-h) + 64px) 0 56px}
.page-hero::before{content:"";position:absolute;inset:0;
  background:
    radial-gradient(46% 60% at 88% 8%,rgba(46,194,126,.20),transparent 62%),
    radial-gradient(40% 52% at 6% 96%,rgba(14,138,95,.22),transparent 62%)}
.page-hero::after{content:"";position:absolute;inset:0;opacity:.6;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px}
.page-hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.ph-en{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:800;
  letter-spacing:.24em;color:var(--leaf);text-transform:uppercase;margin-bottom:16px;
  padding-left:14px;position:relative}
.ph-en::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:13px;background:var(--leaf)}
.page-hero h1{font-size:clamp(28px,3.4vw,46px);font-weight:800;letter-spacing:-.012em;line-height:1.2}
.page-hero p{margin-top:14px;color:rgba(255,255,255,.7);font-size:15px;max-width:660px;line-height:1.9}

/* ---------- 面包屑 ---------- */
.breadcrumb{max-width:var(--maxw);margin:0 auto;padding:20px 32px 0;font-size:12.5px;
  letter-spacing:.02em;color:var(--muted);display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.breadcrumb a{color:var(--muted);transition:color .25s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--ink);font-weight:700}
.crumb-light{font-size:12.5px;letter-spacing:.02em;color:rgba(255,255,255,.55);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.crumb-light i{font-style:normal;color:var(--leaf);font-weight:700}
.crumb-light a{color:rgba(255,255,255,.7);transition:color .25s}
.crumb-light a:hover{color:var(--leaf)}
.crumb-light span{color:#fff;font-weight:700}

/* ---------- 内页布局：侧栏 + 主区 ---------- */
.page-main{background:var(--bg);min-height:50vh}
.layout{max-width:var(--maxw);margin:0 auto;padding:44px 32px 80px;
  display:grid;grid-template-columns:272px 1fr;gap:44px;align-items:start}
.main-content{min-width:0}
.sidebar{position:sticky;top:calc(var(--header-h) + var(--catbar-h) + 22px);display:flex;flex-direction:column;gap:22px}
.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.sidebar-card h3{font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--ink);
  margin-bottom:16px;text-transform:uppercase;display:flex;align-items:center;gap:9px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.sidebar-card h3::before{content:"";width:3px;height:13px;background:var(--brand)}
.sidebar-card>a{display:flex;justify-content:space-between;align-items:center;
  padding:10px 0;font-size:13.5px;font-weight:600;color:#2c4438;
  border-bottom:1px solid var(--line);transition:all .25s}
.sidebar-card>a:last-child{border-bottom:none}
.sidebar-card>a::after{content:"\2192";color:var(--line-strong);font-weight:700;transition:all .25s}
.sidebar-card>a:hover{color:var(--brand-dark);padding-left:4px}
.sidebar-card>a:hover::after{color:var(--brand)}
.sidebar-card>a.act{color:var(--brand-dark);font-weight:800}
.sidebar-card>a.act::after{color:var(--brand)}

/* ---------- 文章列表（细线框卡片） ---------- */
.art-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.art-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.art-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand)}
.art-overlay{position:absolute;inset:0;z-index:4}
.art-thumb{position:relative;aspect-ratio:2560/800;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft-2),var(--bg-soft-3))}
.art-thumb img{width:100%;height:100%;object-fit:contain;transition:filter .4s var(--ease)}
.art-card:hover .art-thumb img{filter:brightness(1.04)}
.art-date{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:7px 11px;text-align:center;z-index:3}
.art-date .d{font-size:18px;font-weight:800;color:var(--brand-dark);line-height:1;display:block}
.art-date .ym{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.art-main{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.art-main h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5;transition:color .25s;
  letter-spacing:-.005em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card:hover .art-main h3{color:var(--brand-dark)}
.art-main .desc{color:var(--muted);font-size:13px;margin-top:9px;line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.art-main .meta-line{margin-top:11px;padding-top:11px;border-top:1px solid var(--line)}

/* ---------- 分页 ---------- */
.pagination-info{margin-top:26px;font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.pagination-wrap{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:14px}
.pagination{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.page-numbers{display:flex;gap:6px;align-items:center}
.pagination a,.pagination .current,.pagination .page-disabled{
  min-width:38px;height:38px;padding:0 11px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-xs);background:#fff;font-size:13px;font-weight:700;
  transition:all .25s;color:var(--ink)}
.pagination a:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.pagination .current{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination .page-disabled{opacity:.3}
.pagination .dots{color:var(--muted);padding:0 3px}
.page-jump{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);letter-spacing:.03em}
.page-jump-input{width:54px;height:36px;border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:0 8px;background:#fff;outline:none;text-align:center}
.page-jump-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,138,95,.10)}

/* ---------- 文章详情 ---------- */
.article-wrap{max-width:var(--maxw);margin:0 auto;padding:24px 32px 80px}
.article-header{padding:26px 0 22px;border-bottom:1px solid var(--line)}
.article-header h1{font-size:clamp(24px,2.8vw,38px);font-weight:800;line-height:1.35;
  letter-spacing:-.012em;color:var(--ink)}
.article-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:12px;
  color:var(--muted);flex-wrap:wrap;letter-spacing:.02em}
.article-meta time{font-style:normal}
.article-cover{margin:24px 0;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--bg-soft-2),var(--bg-soft-3));aspect-ratio:2560/800;
  border:1px solid var(--line)}
.article-cover img{width:100%;height:100%;object-fit:contain;display:block}
.article-summary{border-left:3px solid var(--brand);padding:16px 22px;
  font-size:14.5px;color:#2c4438;margin-bottom:28px;line-height:1.95;background:var(--bg-soft)}
.article-body{font-size:15.5px;line-height:2.05;color:#22352b;overflow-wrap:break-word;word-break:break-word}
.article-body p{margin-bottom:17px}
.article-body h2{font-size:21px;font-weight:800;color:var(--ink);margin:36px 0 16px;
  padding-bottom:10px;border-bottom:1px solid var(--line);line-height:1.4;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;bottom:-1px;width:40px;height:2px;background:var(--brand)}
.article-body h3{font-size:17.5px;font-weight:800;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:15.5px;font-weight:700;color:var(--ink);margin:20px 0 9px}
.article-body h1{font-size:23px;font-weight:800;color:var(--ink);margin:32px 0 15px;
  padding-bottom:10px;border-bottom:1px solid var(--line)}
.article-body h5,.article-body h6{font-size:15px;font-weight:700;color:var(--ink);margin:16px 0 9px}
.article-body ul,.article-body ol{margin:0 0 17px 20px}
.article-body ul li{list-style:none;position:relative;padding-left:20px;margin-bottom:7px}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--brand)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:7px}
.article-body img{max-width:100%;height:auto;margin:17px 0;border-radius:var(--radius-sm)}
.article-body figure{margin:22px 0;text-align:center}
.article-body figcaption{font-size:11.5px;color:var(--muted);margin-top:7px}
.article-body blockquote{border-left:3px solid var(--brand);padding:15px 22px;
  margin:22px 0;color:#2c4438;font-size:14.5px;background:var(--bg-soft)}
.article-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;
  border-collapse:collapse;margin:22px 0;width:100%}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;font-size:13px}
.article-body th{background:var(--bg-soft);font-weight:700}
.article-body pre{max-width:100%;overflow-x:auto;background:var(--ink);color:#a9c6b8;
  padding:17px;font-size:12.5px;margin:22px 0;border-radius:var(--radius-sm)}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.article-body p:empty,.article-body div:empty{display:none}
.article-body br+br{display:none}
.article-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:34px;
  padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.article-tags a{border:1px solid var(--line);padding:5px 13px;font-size:11.5px;
  letter-spacing:.02em;color:var(--muted);border-radius:var(--radius-xs);transition:all .25s;background:#fff}
.article-tags a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.ai-badge{margin-top:17px;display:inline-block;font-size:11px;letter-spacing:.05em;
  color:var(--muted);border:1px dashed var(--line-strong);padding:6px 13px;border-radius:var(--radius-xs)}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:40px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.article-nav a{padding:20px 22px;display:block;transition:background .25s var(--ease)}
.article-nav a:first-child{border-right:1px solid var(--line)}
.article-nav a:hover{background:var(--bg-soft)}
.article-nav .nav-label{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--brand);text-transform:uppercase}
.article-nav .nav-title{display:block;margin-top:8px;font-size:14px;font-weight:700;
  line-height:1.5;color:var(--ink)}
.article-nav-next{text-align:right}
.related-box{margin-top:40px}
.related-box h3{font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--ink);
  text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:9px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.related-box h3::before{content:"";width:3px;height:13px;background:var(--brand)}
.related-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.related-list a{display:flex;align-items:baseline;gap:11px;padding:14px 16px;font-size:13.5px;
  font-weight:600;color:#2c4438;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:#fff;transition:all .25s}
.related-list a::before{content:"\2192";color:var(--brand);font-weight:800;transition:transform .25s}
.related-list a:hover{color:var(--brand-dark);border-color:var(--brand);transform:translateX(3px)}

/* ---------- 关于我们页 ---------- */
.about-content{max-width:var(--maxw);margin:0 auto;padding:56px 32px 80px}
.about-custom{font-size:15.5px;line-height:2.05;color:#22352b}
.about-content>h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;color:var(--ink);
  margin:52px 0 22px;display:flex;align-items:center;gap:14px;letter-spacing:-.012em}
.about-content>h2:first-child{margin-top:0}
.about-content>h2::before{content:"";width:22px;height:3px;background:var(--brand)}
.about-intro{font-size:15px;line-height:2.05;color:#22352b}
.about-intro p{margin-bottom:14px}
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);margin:38px 0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.sb-item{padding:28px 20px;border-right:1px solid var(--line);text-align:center;transition:background .3s var(--ease)}
.sb-item:last-child{border-right:none}
.sb-item:hover{background:var(--bg-soft)}
.sb-item .num{font-size:clamp(24px,2.4vw,38px);color:var(--ink);line-height:1.1;font-weight:800}
.sb-item .num em{font-style:normal;color:var(--accent)}
.sb-item .label{font-size:11px;letter-spacing:.14em;color:var(--muted);margin-top:8px;text-transform:uppercase}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;background:#fff}
.info-card{padding:32px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .3s var(--ease)}
.info-card:nth-child(2n){border-right:none}
.info-card:nth-last-child(-n+2){border-bottom:none}
.info-card:hover{background:var(--bg-soft)}
.info-card .ic-icon{width:56px;height:56px;border-radius:var(--radius);color:#fff;display:flex;align-items:center;
  justify-content:center;margin-bottom:20px;background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  transition:transform .35s var(--ease)}
.info-card:hover .ic-icon{transform:translateY(-3px)}
.info-card .ic-icon svg{width:26px;height:26px}
.info-card .ic-icon.ai-1{background:linear-gradient(140deg,var(--brand),var(--brand-deep))}
.info-card .ic-icon.ai-2{background:linear-gradient(140deg,#12a150,#0a6b3f)}
.info-card .ic-icon.ai-3{background:linear-gradient(140deg,var(--teal),#0a6b62)}
.info-card .ic-icon.ai-4{background:linear-gradient(140deg,#3fa9d8,#1d6f96)}
.info-card .ic-icon.ai-5{background:linear-gradient(140deg,#2ec27e,#12855c)}
.info-card .ic-icon.ai-6{background:linear-gradient(140deg,#0ea5e9,#0b6d9e)}
.info-card .ic-icon.ai-7{background:linear-gradient(140deg,var(--accent),var(--accent-dark))}
.info-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:9px;letter-spacing:-.005em}
.info-card p{font-size:13.5px;color:var(--muted);line-height:1.8}
/* 时间轴 */
.timeline{position:relative;margin-top:14px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line-strong)}
.tl-item{position:relative;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-34px;top:6px;width:13px;height:13px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);z-index:2;transition:transform .3s var(--ease),border-color .3s}
.tl-item:hover .tl-dot{transform:scale(1.2);border-color:var(--leaf)}
.tl-content h4{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.005em}
.tl-content h4 em{font-style:normal;color:var(--brand);margin-right:12px;font-weight:900}
.tl-content p{font-size:13.5px;color:var(--muted);margin-top:7px;max-width:600px;line-height:1.85}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:70px 20px}
.empty-icon{font-size:44px;font-weight:800;color:var(--bg-soft-3);line-height:1}
.empty-state h3,.empty-state h1{font-size:20px;font-weight:800;color:var(--ink);margin-top:16px}
.empty-state p{color:var(--muted);margin-top:9px}
.empty-state a{display:inline-block;margin-top:22px;font-size:13px;font-weight:700;letter-spacing:.03em;
  color:#fff;background:var(--brand);padding:12px 26px;border-radius:var(--radius-xs);
  transition:all .3s var(--ease)}
.empty-state a:hover{background:var(--brand-dark);transform:translateY(-2px)}

/* ---------- toast ---------- */
.toast{position:fixed;top:calc(var(--header-h) + var(--catbar-h) + 14px);left:50%;transform:translate(-50%,-14px);
  z-index:300;background:var(--ink);color:#fff;padding:13px 24px;font-size:13px;letter-spacing:.01em;
  opacity:0;visibility:hidden;transition:all .3s var(--ease);display:flex;align-items:center;gap:10px;
  box-shadow:var(--shadow-lg);max-width:88vw;border-radius:var(--radius-xs)}
.toast.success,.toast.error{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast.success{border:1px solid var(--brand)}
.toast.error{border:1px solid #d24a33}
.toast-icon{font-weight:800}
.toast.success .toast-icon{color:var(--leaf)}
.toast.error .toast-icon{color:#ff8a76}

/* ---------- 滚动揭示 ---------- */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
html.js .reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:34px}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .topbar-nav,.topbar-phone,.topbar-cta,.topbar-date{display:none}
  .hamburger{display:flex}
  .layout{grid-template-columns:1fr;gap:34px}
  .sidebar{position:static;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px}
  .related-list{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .info-card{border-right:none}
  .info-card:nth-child(n){border-bottom:1px solid var(--line)}
  .info-card:last-child{border-bottom:none}
  .toast{top:calc(var(--header-h) + 14px)}
}
@media (max-width:720px){
  :root{--sec-y:60px}
  .wrap,.topbar-inner,.page-hero-inner,.cta-inner,.footer-top,.footer-bottom-inner,.layout,.article-wrap,.about-content,.breadcrumb{padding-left:18px;padding-right:18px}
  .logo-img{height:38px}
  .sec-head{margin-bottom:34px}
  .sec-head[data-num]::after{top:-30px;font-size:64px}
  .svc-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .art-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .sb-item:nth-child(3),.sb-item:nth-child(4){border-top:1px solid var(--line)}
  .sb-item:nth-child(3){border-right:none}
  .footer-top{grid-template-columns:1fr;padding-top:52px}
  .article-nav{grid-template-columns:1fr}
  .article-nav a:first-child{border-right:none;border-bottom:1px solid var(--line)}
  .article-nav-next{text-align:left}
  .page-hero{padding-top:calc(var(--header-h) + 36px)}
  .about-content>h2{margin:38px 0 18px}
  .cta-inner{padding:40px 22px}
}

/* =========================================================
   企业营销站组件（eco6）：导航下拉 / 资质带 /
   服务流程四步法 / 行业洞察 / 信任条 / 咨询卡
   ========================================================= */

/* ---------- 导航下拉（CSS-only :hover / :focus-within） ---------- */
.nav-drop{position:relative}
.nav-drop>a{position:relative;padding:9px 15px;font-size:14px;font-weight:600;
  letter-spacing:.02em;color:#2c4438;transition:color .25s;border-radius:var(--radius-xs);
  display:inline-flex;align-items:center;gap:5px}
.nav-drop>a:hover{color:var(--brand-dark)}
.nav-drop>a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-drop:hover>a::after,.nav-drop>a.active::after{transform:scaleX(1)}
.nav-drop>a.active{color:var(--brand-dark);font-weight:700}
.nd-chev{width:13px;height:13px;transition:transform .3s var(--ease)}
.nav-drop:hover .nd-chev,.nav-drop:focus-within .nd-chev{transform:rotate(180deg)}
.nav-drop-menu{position:absolute;top:calc(100% + 8px);left:50%;
  transform:translate(-50%,10px);min-width:330px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:10px;opacity:0;visibility:hidden;transition:all .28s var(--ease);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;z-index:220}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-drop-menu::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.nav-drop-menu a{padding:10px 12px;font-size:13px;font-weight:600;color:#2c4438;
  border-radius:var(--radius-xs);transition:all .22s;white-space:nowrap;display:flex;align-items:center;gap:8px}
.nav-drop-menu a::before{content:"";width:4px;height:4px;background:var(--line-strong);
  transition:background .22s;flex-shrink:0}
.nav-drop-menu a:hover{background:var(--bg-soft);color:var(--brand-dark)}
.nav-drop-menu a:hover::before{background:var(--brand)}
.nav-drop-menu .nd-all{grid-column:1/-1;margin-top:6px;padding-top:11px;border-top:1px solid var(--line);
  color:var(--brand-dark);font-weight:800;justify-content:center}
.nav-drop-menu .nd-all::before{display:none}

/* ---------- 信任条（深色 hero / 内页复用） ---------- */
.hero-trust-strip{margin-top:26px;display:flex;gap:0;flex-wrap:wrap}
.hero-trust-strip span{font-size:13px;color:rgba(255,255,255,.78);letter-spacing:.03em;
  display:inline-flex;align-items:baseline;gap:6px;padding-right:26px}
.hero-trust-strip b{font-size:20px;font-weight:800;color:#fff}
.hero-trust-strip span+span{padding-left:26px;border-left:1px solid rgba(255,255,255,.18)}

/* ---------- 资质信任带（细线态） ---------- */
.qualify-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}
.qb-inner{display:flex;flex-wrap:wrap;gap:0;justify-content:center}
.qb-chip{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--ink);
  padding:6px 26px;letter-spacing:.02em;border-left:1px solid var(--line);transition:color .3s var(--ease)}
.qb-chip:first-child{border-left:none}
.qb-chip svg{width:16px;height:16px;color:var(--brand);flex-shrink:0}
.qb-chip:hover{color:var(--brand-dark)}

/* ---------- 服务流程：四步法（深色骨架 + 玻璃卡） ---------- */
.sec-dark{position:relative;overflow:hidden}
.sec-dark::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px}
.sec-dark::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,194,126,.20),transparent 68%)}
.sec-dark .wrap{position:relative;z-index:2}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.process-step{position:relative;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:34px 26px 32px;
  transition:transform .35s var(--ease),background .35s var(--ease),border-color .35s;overflow:visible;
  backdrop-filter:blur(6px)}
.process-step::before{content:"";position:absolute;left:0;top:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--leaf),var(--brand));transition:width .4s var(--ease)}
.process-step:hover{transform:translateY(-6px);background:rgba(255,255,255,.07);border-color:rgba(46,194,126,.45)}
.process-step:hover::before{width:100%}
.step-num{display:inline-flex;align-items:center;gap:0;font-size:12px;font-weight:800;letter-spacing:.2em;
  color:var(--leaf);margin-bottom:24px}
.step-icon{position:relative;width:56px;height:56px;border-radius:var(--radius);margin:0 0 22px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:transform .4s var(--ease)}
.step-icon svg{width:26px;height:26px}
.sp-1{background:linear-gradient(140deg,var(--brand),var(--brand-deep))}
.sp-2{background:linear-gradient(140deg,#12a150,#0a6b3f)}
.sp-3{background:linear-gradient(140deg,var(--teal),#0a6b62)}
.sp-4{background:linear-gradient(140deg,var(--leaf),var(--brand))}
.process-step:hover .step-icon{transform:translateY(-3px)}
.process-step h3{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:-.005em}
.process-step p{color:#9dbdae;font-size:13.5px;line-height:1.85}
.step-arrow{position:absolute;right:-22px;top:50%;transform:translateY(-50%);
  font-size:22px;color:rgba(255,255,255,.22);z-index:2;pointer-events:none;
  transition:color .3s}
.process-step:hover+.process-step .step-arrow{color:var(--leaf)}
.process-step:last-child .step-arrow{display:none}

/* ---------- 行业洞察：精选资讯 ---------- */
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.insight-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.insight-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--brand)}
.ins-thumb{position:relative;aspect-ratio:2560/800;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft-2),var(--bg-soft-3))}
.ins-thumb img{width:100%;height:100%;object-fit:contain;object-position:center;transition:filter .4s var(--ease)}
.insight-card:hover .ins-thumb img{filter:brightness(1.04)}
.ins-tag{position:absolute;top:12px;left:12px;font-size:11px;font-weight:800;letter-spacing:.05em;
  color:#fff;background:var(--brand);padding:4px 11px;border-radius:var(--radius-xs)}
.ins-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.ins-date{font-size:12px;color:var(--muted);letter-spacing:.03em}
.ins-title{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5;margin-top:7px;
  letter-spacing:-.005em;transition:color .25s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.insight-card:hover .ins-title{color:var(--brand-dark)}
.ins-excerpt{color:var(--muted);font-size:13px;line-height:1.78;margin-top:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.ins-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:12.5px;
  font-weight:800;letter-spacing:.04em;color:var(--brand-dark);transition:gap .25s var(--ease)}
.insight-card:hover .ins-more{gap:11px;color:var(--brand)}

/* ---------- 标签 / 元信息（列表与详情共用） ---------- */
.meta-line{display:flex;align-items:center;gap:12px;font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.meta-line time{font-style:normal}
.tag{font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--brand-dark);
  background:var(--leaf-soft);padding:2px 10px;border-radius:var(--radius-xs)}
.pin{display:inline-block;font-size:10px;font-weight:700;color:#fff;background:var(--accent);
  padding:2px 8px;border-radius:var(--radius-xs)}

/* ---------- 企业营销站组件响应式 ---------- */
@media (max-width:1080px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .insights-grid{grid-template-columns:repeat(2,1fr)}
  .step-arrow{display:none}
}
@media (max-width:900px){
  .nav-drop-menu{display:none}
}
@media (max-width:720px){
  .process-grid{grid-template-columns:1fr}
  .insights-grid{grid-template-columns:1fr}
  .hero-trust-strip{gap:0}
  .hero-trust-strip span{padding-right:16px}
  .hero-trust-strip span+span{padding-left:16px}
  .hero-trust-strip b{font-size:17px}
  .hero-ctrl{bottom:12px}
  .qb-inner{gap:0}
  .qb-chip{padding:6px 14px;font-size:12.5px}
  .qb-chip:nth-child(odd){border-left:none}
}

/* ============ 内页咨询卡（news/about/services 侧栏） ============ */
.consult-card .cc-desc{font-size:13px;line-height:1.78;color:var(--muted);margin-bottom:16px}
.consult-card .cc-btn{display:block;text-align:center;padding:12px 14px;border-radius:var(--radius-xs);
  background:var(--brand);color:#fff;
  font-size:13.5px;font-weight:800;letter-spacing:.03em;transition:all .25s}
.consult-card .cc-btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.consult-card .cc-phone{display:block;margin-top:14px;text-align:center;font-size:17px;font-weight:800;
  color:var(--brand-dark);letter-spacing:.01em}
.consult-card .cc-phone:hover{color:var(--brand)}