/* ============================================================
   广西美电新能源有限公司 官网样式 v2 · Mobile-First
   视觉升级：精致排版 / 多层柔和阴影 / 统一图片色调 / 毛玻璃细节
   ============================================================ */
:root{
  --green:#12B76A;
  --green-deep:#0A6E4A;
  --green-dark:#053D2B;
  --blue:#2E90FA;
  --blue-deep:#1570CD;
  --blue-dark:#0B2E4F;
  --orange:#F79009;
  --orange-deep:#DC6803;
  --orange-dark:#5A3606;
  --ink:#16241F;
  --ink-2:#54635C;
  --ink-3:#8A988F;
  --line:#E7ECE9;
  --line-2:#DCE4E0;
  --bg:#F5F7F6;
  --tint:rgba(18,183,106,.10);
  --radius:18px;
  --radius-sm:14px;
  /* 多层柔和阴影：贴地 + 扩散，替代单层硬阴影 */
  --shadow:0 1px 2px rgba(6,60,42,.04),0 4px 12px rgba(6,60,42,.06);
  --shadow-lg:0 2px 4px rgba(6,60,42,.05),0 12px 32px rgba(6,60,42,.10);
  --shadow-hover:0 4px 8px rgba(6,60,42,.06),0 20px 44px rgba(6,60,42,.14);
  --font:-apple-system,"PingFang SC","Noto Sans SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --num:"DIN Alternate","Bahnschrift",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.85;font-size:15px;letter-spacing:.2px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;background:#EEF2F0}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(18,183,106,.22)}
:focus-visible{outline:2px solid rgba(18,183,106,.55);outline-offset:2px;border-radius:4px}
/* 精致滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#F0F4F2}
::-webkit-scrollbar-thumb{background:#C3D2CB;border-radius:99px;border:2px solid #F0F4F2}
::-webkit-scrollbar-thumb:hover{background:#9FB6AC}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(228,234,231,.9);box-shadow:0 1px 0 rgba(6,60,42,.03),0 8px 28px rgba(6,60,42,.05);transition:box-shadow .3s ease}
.site-header.scrolled{box-shadow:0 1px 0 rgba(6,60,42,.05),0 10px 34px rgba(6,60,42,.10)}
/* 顶部阅读进度条 */
.readbar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--green),#7BE8AC);z-index:200;border-radius:0 3px 3px 0;transition:width .12s linear;pointer-events:none}
.blue-page .readbar{background:linear-gradient(90deg,var(--blue),#9CC8FF)}
.orange-page .readbar{background:linear-gradient(90deg,var(--orange),#FFD591)}
/* 回到顶部 */
.totop{position:fixed;right:26px;bottom:30px;width:46px;height:46px;border-radius:50%;border:none;background:#fff;color:var(--green-deep);font-size:18px;cursor:pointer;box-shadow:0 6px 22px rgba(6,60,42,.16),0 1px 3px rgba(6,60,42,.10);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;z-index:97}
.totop.show{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--green-deep);color:#fff;transform:translateY(-3px)}
@media (max-width:767px){.totop{display:none}}
.topbar{background:linear-gradient(90deg,var(--green-dark),var(--green-deep));color:rgba(255,255,255,.75);font-size:12px;display:none;letter-spacing:.4px;box-shadow:inset 0 -1px 0 rgba(255,255,255,.08)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:7px 20px;gap:12px}
.topbar a{color:#fff;font-weight:600;letter-spacing:.5px}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:66px;position:relative}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;flex-shrink:0}
.brand .logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--green-deep) 20%,var(--green));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-family:var(--num);box-shadow:0 3px 10px rgba(18,183,106,.28),inset 0 1px 0 rgba(255,255,255,.25)}
.brand .name{font-size:15.5px;letter-spacing:.4px;line-height:1.25;white-space:nowrap}
.brand .name small{display:block;font-size:9px;font-weight:600;color:var(--ink-3);letter-spacing:1.6px;text-transform:uppercase}
.menu-btn{width:42px;height:42px;border:none;background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;border-radius:12px;transition:.2s}
.menu-btn:hover{background:var(--tint)}
.menu-btn span{display:block;width:21px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-menu{position:fixed;inset:66px 0 0 0;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);padding:0 20px 120px;transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);overflow-y:auto;z-index:99}
.nav-menu.open{transform:translateX(0)}
.nav-menu .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 8px 8px;font-size:11px;color:var(--ink-3);letter-spacing:2.5px;font-weight:700;text-transform:uppercase}
.nav-menu a{display:flex;align-items:center;gap:14px;padding:16px 12px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);transition:.2s}
.nav-menu a .dot{width:9px;height:9px;border-radius:50%;background:var(--green);flex:none;box-shadow:0 0 0 3px rgba(18,183,106,.15)}
.nav-menu a:hover,.nav-menu a.active{color:var(--green-deep)}
.nav-menu a.active{background:var(--tint);border-radius:14px}
.nav-menu a[data-c="blue"].active{color:var(--blue-deep);background:rgba(46,144,250,.10)}
.nav-menu a[data-c="blue"].active .dot{box-shadow:0 0 0 3px rgba(46,144,250,.20)}
.nav-menu a[data-c="orange"].active{color:var(--orange-deep);background:rgba(247,144,9,.10)}
.nav-menu a[data-c="orange"].active .dot{box-shadow:0 0 0 3px rgba(247,144,9,.20)}
.nav-menu .menu-cta{margin-top:20px;background:linear-gradient(135deg,var(--green-deep),var(--green));color:#fff;text-align:center;border-radius:999px;border:none;font-size:16px;font-family:var(--num);letter-spacing:1px;box-shadow:0 6px 18px rgba(18,183,106,.32)}
.nav-menu .menu-cta:hover{background:var(--green-deep);color:#fff}
.nav-phone{display:none}

/* ---------- Hero 大图 ---------- */
.hero{position:relative;min-height:80vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.hero .bg img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.02);animation:kenburns 22s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.12) translate(-1.2%,1%)}}
/* Hero 氛围光斑 */
.hero::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(123,232,172,.16),transparent 65%);top:-200px;right:-140px;z-index:1;pointer-events:none}
.hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.07),transparent 65%);bottom:-180px;left:-120px;z-index:1;pointer-events:none}
.hero .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(4,44,30,.88) 0%,rgba(8,80,54,.62) 48%,rgba(12,110,74,.18) 100%);z-index:1}
.hero.g-blue .veil{background:linear-gradient(100deg,rgba(9,38,66,.88) 0%,rgba(17,90,160,.60) 48%,rgba(28,90,160,.15) 100%)}
.hero.g-orange .veil{background:linear-gradient(100deg,rgba(70,42,5,.88) 0%,rgba(160,80,8,.58) 48%,rgba(200,110,20,.14) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:52px;padding-bottom:60px}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.30);border-radius:999px;padding:7px 18px;font-size:12px;letter-spacing:3.5px;margin-bottom:22px;background:rgba(255,255,255,.10);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 1px 0 rgba(255,255,255,.14)}
.hero .kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:#7BE8AC;box-shadow:0 0 10px rgba(123,232,172,.9)}
.hero.g-blue .kicker::before{background:#9CC8FF;box-shadow:0 0 10px rgba(156,200,255,.9)}
.hero.g-orange .kicker::before{background:#FFD591;box-shadow:0 0 10px rgba(255,213,145,.9)}
.hero h1{font-size:clamp(30px,5.2vw,54px);font-weight:800;letter-spacing:1px;line-height:1.3;max-width:660px;text-shadow:0 2px 24px rgba(0,0,0,.25),0 1px 3px rgba(0,0,0,.18);text-wrap:balance}
.hero p{margin:18px 0 30px;max-width:540px;font-size:clamp(14px,1.6vw,16.5px);line-height:2;color:rgba(255,255,255,.90);text-shadow:0 1px 10px rgba(0,0,0,.22)}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:38px}
.hero-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 16px;font-size:12.5px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);letter-spacing:.5px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 36px;font-size:15px;font-weight:700;cursor:pointer;border:none;transition:all .25s cubic-bezier(.4,0,.2,1);font-family:var(--font);letter-spacing:.5px}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;box-shadow:0 4px 14px rgba(18,183,106,.35),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(18,183,106,.50),0 0 0 5px rgba(18,183,106,.12),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.65);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}
.btn-blue{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 4px 14px rgba(46,144,250,.35)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(46,144,250,.45)}
.btn-orange{background:linear-gradient(135deg,var(--orange),var(--orange-deep));color:#fff;box-shadow:0 4px 14px rgba(247,144,9,.35)}
.btn-orange:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(247,144,9,.45)}
.btn-outline-green{border:1.5px solid var(--green-deep);color:var(--green-deep);background:#fff;box-shadow:var(--shadow)}
.btn-outline-green:hover{background:var(--tint);transform:translateY(-2px)}

/* ---------- 通用区块 ---------- */
section.block{padding:64px 0}
section.block.alt{background:
  radial-gradient(rgba(18,183,106,.045) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(180deg,var(--bg) 0%,#F7FAF8 100%);position:relative}
section.block.alt::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:min(1200px,92vw);height:1px;background:linear-gradient(90deg,transparent,rgba(18,183,106,.18),transparent)}
.sec-head{text-align:center;max-width:660px;margin:0 auto 44px}
.sec-head .tag{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:12px;letter-spacing:3px;font-weight:700;text-transform:uppercase;margin-bottom:14px;background:var(--tint);border:1px solid rgba(18,183,106,.14);border-radius:999px;padding:6px 16px}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:1px;line-height:1.4;text-wrap:balance}
.sec-head p{color:var(--ink-2);font-size:14.5px;margin-top:12px;line-height:1.9}
.sec-head .bar{width:48px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--green),#7BE8AC);margin:18px auto 0;position:relative}
.sec-head .bar::after{content:"";position:absolute;right:-8px;top:0;width:4px;height:4px;border-radius:50%;background:#7BE8AC;opacity:.6}
.blue .sec-head .tag{color:var(--blue-deep);background:rgba(46,144,250,.10)} .blue .sec-head .bar{background:linear-gradient(90deg,var(--blue),#9CC8FF)}
.orange .sec-head .tag{color:var(--orange-deep);background:rgba(247,144,9,.10)} .orange .sec-head .bar{background:linear-gradient(90deg,var(--orange),#FFD591)}

/* ---------- 卡片 ---------- */
.cards{display:grid;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow),inset 0 1px 0 #fff;transition:all .35s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover),inset 0 1px 0 #fff;border-color:rgba(18,183,106,.32)}
.blue .card:hover{border-color:rgba(46,144,250,.38)}
.orange .card:hover{border-color:rgba(247,144,9,.38)}
/* 卡片悬停标题微亮 */
.card:hover h3{color:var(--green-deep)}
.blue .card:hover h3{color:var(--blue-deep)}
.orange .card:hover h3{color:var(--orange-deep)}
.card .pic{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.card .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.6,.2,1);z-index:0;filter:saturate(1.06) contrast(1.04)}
.card:hover .pic img{transform:scale(1.08)}
.card .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,60,42,0) 52%,rgba(6,60,42,.32));z-index:1;pointer-events:none;opacity:.9;transition:opacity .4s}
.card:hover .pic::after{opacity:1}
.card .pic svg{position:relative;z-index:2;width:64px;height:64px;opacity:.95;transition:.4s}
.card:hover .pic svg{transform:scale(1.12)}
.card .pic .label{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:999px;padding:4px 14px;font-size:11.5px;font-weight:700;letter-spacing:1px;z-index:3;box-shadow:0 2px 10px rgba(6,60,42,.14)}
.card .body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:18px;font-weight:800;margin-bottom:9px;letter-spacing:.4px}
.card p{font-size:13.5px;color:var(--ink-2);flex:1;line-height:1.9}
.card .more{margin-top:16px;font-size:13px;font-weight:700;color:var(--green-deep);display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
.card .more::after{content:"→";font-family:var(--num)}
.card .more:hover{gap:10px}
.blue .card .more{color:var(--blue-deep)} .orange .card .more{color:var(--orange-deep)}
.pic.g{background:linear-gradient(135deg,#063C2A,#12B76A)}
.pic.b{background:linear-gradient(135deg,#0B2E4F,#2E90FA)}
.pic.o{background:linear-gradient(135deg,#5A3606,#F79009)}
.pic.soft{background:linear-gradient(135deg,#0A6E4A22,#12B76A33)}

/* ---------- 数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat{text-align:center;padding:26px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);transition:.3s;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:20%;right:20%;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,transparent,var(--green),transparent)}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat .num{font-family:var(--num);font-size:36px;font-weight:800;line-height:1.1;letter-spacing:.5px;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,#0A6E4A 10%,#12B76A);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .num small{font-size:17px}
.stat .cap{font-size:12.5px;color:var(--ink-2);margin-top:6px;letter-spacing:1px}

/* ---------- 图文左右块 ---------- */
.split{display:grid;gap:36px;align-items:center}
.split .visual{border-radius:22px;overflow:hidden;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;background-size:cover;background-position:center;box-shadow:0 16px 40px rgba(6,60,42,.16),0 2px 6px rgba(6,60,42,.06),0 0 0 1px rgba(6,60,42,.06)}
.split .visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;filter:saturate(1.05) contrast(1.03)}
.split h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:16px;letter-spacing:.8px;line-height:1.45;text-wrap:balance}
.split p{color:var(--ink-2);font-size:14.5px;line-height:2}
.split ul.checks{margin-top:20px}
.split ul.checks li{padding-left:32px;position:relative;margin-bottom:12px;font-size:14px;font-weight:600;line-height:1.8}
.split ul.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--tint);color:var(--green-deep);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}

/* ---------- 简介三板块竖排图 ---------- */
.stack3{display:flex;flex-direction:column;gap:12px;align-self:stretch}
.stack3 figure{position:relative;margin:0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);flex:1;min-height:0}
.stack3 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(1.06) contrast(1.03);transition:transform .5s cubic-bezier(.2,.6,.2,1)}
.stack3 figure:hover img{transform:scale(1.06)}
.stack3 figcaption{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.93);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:999px;padding:4px 14px;font-size:12px;font-weight:800;letter-spacing:1px;box-shadow:0 2px 10px rgba(6,60,42,.14)}

/* ---------- 流程时间轴 ---------- */
.steps{display:grid;gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow),inset 0 1px 0 #fff;transition:.3s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg),inset 0 1px 0 #fff}
.step .n{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--green-deep),var(--green));color:#fff;font-family:var(--num);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 4px 12px rgba(18,183,106,.30),inset 0 1px 0 rgba(255,255,255,.22)}
.blue .step .n{background:linear-gradient(135deg,var(--blue-dark),var(--blue));box-shadow:0 4px 12px rgba(46,144,250,.30),inset 0 1px 0 rgba(255,255,255,.22)}
.orange .step .n{background:linear-gradient(135deg,var(--orange-dark),var(--orange));box-shadow:0 4px 12px rgba(247,144,9,.30),inset 0 1px 0 rgba(255,255,255,.22)}
.step b{display:block;font-size:15.5px;margin-bottom:2px}
.step span{font-size:13px;color:var(--ink-2);line-height:1.8}

/* ---------- 证书墙 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 14px 16px;text-align:center;position:relative;transition:.3s;cursor:pointer;box-shadow:var(--shadow);display:block;color:var(--ink)}
.cert:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.cert .frame{aspect-ratio:3/4;background:linear-gradient(180deg,#FFFDF8,#FFF9EE);border:1px solid #EDE4CE;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;margin-bottom:12px;overflow:hidden;position:relative;box-shadow:inset 0 2px 8px rgba(180,150,80,.08)}
.cert .frame::after{content:"";position:absolute;inset:6px;border:1px solid rgba(201,169,92,.16);border-radius:8px;pointer-events:none}
.cert .frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px;background:#fff;transition:transform .4s ease}
.cert:hover .frame img{transform:scale(1.05)}
.cert .frame svg{width:44px;height:44px;color:#C9A95C}
.cert .frame em{font-style:normal;font-size:12px;color:#9AA8A2;max-width:80%;line-height:1.5}
.cert b{font-size:13.5px;display:block;line-height:1.5;min-height:2.9em;display:flex;align-items:center;justify-content:center}
.cert .dl{font-size:12px;color:var(--green-deep);font-weight:700;margin-top:2px;letter-spacing:.5px}
.cert .seal{position:absolute;top:20px;right:20px;background:#FFF6E0;color:#B58A2E;border:1px solid #F2DFAE;font-size:10px;font-weight:700;border-radius:999px;padding:3px 10px;letter-spacing:.5px;z-index:2}

/* ---------- 证书灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(4,25,17,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;flex-direction:column;gap:18px;padding:28px}
.lightbox.open{display:flex;animation:lbIn .25s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lightbox img{max-width:min(92vw,920px);max-height:76vh;object-fit:contain;border-radius:10px;box-shadow:0 24px 80px rgba(0,0,0,.55),0 0 0 8px rgba(255,255,255,.92);background:#fff}
.lightbox .lb-cap{color:#fff;font-size:15px;font-weight:700;letter-spacing:1px;text-align:center}
.lightbox .lb-open{color:rgba(255,255,255,.75);font-size:13px;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:7px 20px;transition:.2s}
.lightbox .lb-open:hover{color:#fff;background:rgba(255,255,255,.12)}
.lightbox .lb-close{position:absolute;top:20px;right:22px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;font-size:17px;cursor:pointer;transition:.2s}
.lightbox .lb-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}

/* ---------- 生态合作卡片 ---------- */
.eco-grid{display:grid;gap:22px}
.eco-card{border-radius:22px;padding:30px 28px;color:#fff;position:relative;overflow:hidden;transition:all .35s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:8px;box-shadow:0 8px 24px rgba(6,60,42,.16),inset 0 1px 0 rgba(255,255,255,.14)}
.eco-card:hover{transform:translateY(-8px);box-shadow:0 20px 48px rgba(6,60,42,.30),inset 0 1px 0 rgba(255,255,255,.18)}
.eco-card .badge{width:52px;height:52px;border-radius:15px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;font-family:var(--num);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.eco-card h3{font-size:19px;font-weight:800;letter-spacing:.5px;margin-top:4px}
.eco-card p{font-size:13.5px;opacity:.85;line-height:1.9}
.eco-card .go{margin-top:12px;display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:9px 24px;font-size:13px;font-weight:800;width:fit-content;transition:.25s;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.eco-card .go:hover{transform:translateX(3px);box-shadow:0 6px 18px rgba(0,0,0,.22)}
.eco-card .url{display:none}
.eco-1{background:linear-gradient(130deg,#053D2B,#0A6E4A 55%,#12B76A)}
.eco-2{background:linear-gradient(130deg,#123A28,#2E7D32 65%,#66BB6A)}
.eco-3{background:linear-gradient(130deg,#0B2E4F,#1570CD)}
.eco-4{background:linear-gradient(130deg,#4A2F08,#DC6803)}
.eco-card .deco{position:absolute;right:-36px;top:-36px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.10)}
.eco-card .deco::after{content:"";position:absolute;inset:30px;border-radius:50%;background:rgba(255,255,255,.05)}
.eco-card img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.20;transition:opacity .4s,transform .5s;filter:saturate(1.1)}
.eco-card:hover img.bg{opacity:.28;transform:scale(1.06)}
.eco-card > *:not(img){position:relative;z-index:1}

/* ---------- 简介三大板块分行 ---------- */
.biz-lines{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.biz-line{display:flex;align-items:flex-start;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow),inset 0 1px 0 #fff;transition:.3s}
.biz-line:hover{transform:translateX(4px);box-shadow:var(--shadow-lg),inset 0 1px 0 #fff}
.biz-line i{width:10px;height:10px;border-radius:50%;flex:none;margin-top:8px}
.biz-line .dot-g{background:var(--green);box-shadow:0 0 0 3px rgba(18,183,106,.15)}
.biz-line .dot-b{background:var(--blue);box-shadow:0 0 0 3px rgba(46,144,250,.15)}
.biz-line .dot-o{background:var(--orange);box-shadow:0 0 0 3px rgba(247,144,9,.15)}
.biz-line b{flex:none;font-size:15px;margin-top:2px;letter-spacing:.5px}
.biz-line:nth-child(1) b{color:var(--green-deep)}
.biz-line:nth-child(2) b{color:var(--blue-deep)}
.biz-line:nth-child(3) b{color:var(--orange-deep)}
.biz-line span{font-size:13.5px;color:var(--ink-2);line-height:1.9}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;gap:24px}
.info-card{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;align-items:flex-start;box-shadow:var(--shadow),inset 0 1px 0 #fff;transition:.3s}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg),inset 0 1px 0 #fff}
.info-card .ic{width:48px;height:48px;border-radius:14px;background:var(--tint);color:var(--green-deep);display:flex;align-items:center;justify-content:center;flex:none;font-size:20px}
.info-card b{display:block;font-size:15px}
.info-card span{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.info-card .num{font-family:var(--num);font-size:20px;font-weight:800;color:var(--green-deep);letter-spacing:.5px}
form.msg{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-lg)}
.f-row{margin-bottom:18px}
.f-row label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;letter-spacing:.5px}
.f-row input,.f-row select,.f-row textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:12px 16px;font-size:14px;font-family:var(--font);outline:none;transition:.25s;background:#FAFCFB}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(18,183,106,.12)}
.map{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(140deg,#EAF4EF,#F5F7F6);min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink-2);font-size:13px;gap:6px}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:linear-gradient(100deg,var(--green-dark) 0%,var(--green-deep) 55%,#0C8A5C 100%);color:#fff;text-align:center;padding:60px 20px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.04);top:-220px;right:-120px}
.cta-band::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.04);bottom:-160px;left:-80px}
/* 光泽扫过 */
.cta-band .sheen{position:absolute;top:0;bottom:0;width:180px;background:linear-gradient(105deg,transparent,rgba(255,255,255,.10),transparent);left:-200px;animation:sheen 5.5s ease-in-out infinite;pointer-events:none}
@keyframes sheen{0%,55%{left:-200px}85%,100%{left:110%}}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;margin-bottom:10px;letter-spacing:1px}
.cta-band p{font-size:14px;opacity:.85;margin-bottom:26px}
.cta-band .phone{font-family:var(--num);font-size:clamp(32px,4.5vw,46px);font-weight:800;letter-spacing:1.5px;display:block;margin-bottom:24px;text-shadow:0 2px 20px rgba(0,0,0,.2)}

/* ---------- 页脚 ---------- */
footer{background:linear-gradient(180deg,#04301F,var(--green-dark));color:#A9C6B9;font-size:13px;padding:52px 0 0;letter-spacing:.3px;position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(133,214,168,.35),transparent)}
footer .cols{display:grid;gap:30px;padding-bottom:36px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:1px}
footer li{margin-bottom:10px;transition:.2s}
footer li:hover{transform:translateX(3px)}
footer a:hover{color:var(--green)}
footer .brand-line{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;letter-spacing:.8px}
footer .brand-line .logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--green-deep),var(--green));display:flex;align-items:center;justify-content:center;font-family:var(--num);font-size:16px;box-shadow:0 3px 10px rgba(0,0,0,.25)}
footer .copy{border-top:1px solid rgba(255,255,255,.10);padding:18px 0;text-align:center;font-size:12px;color:#6E9484;line-height:2.1}
footer .copy a{color:#6E9484;transition:color .2s}
footer .copy a:hover{color:#A9C6B9}

/* ---------- 手机底部快捷栏 ---------- */
.quickbar{position:fixed;bottom:0;left:0;right:0;z-index:98;display:flex;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(6,60,42,.08);padding-bottom:env(safe-area-inset-bottom)}
.quickbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:13px 0;font-size:14px;font-weight:800;text-decoration:none}
.quickbar .tel{color:var(--green-deep)}
.quickbar .msgc{color:#fff;background:linear-gradient(135deg,var(--green),var(--green-deep))}
body{padding-bottom:56px}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--ink-2);padding:11px 0;letter-spacing:.3px}
.crumb a{color:var(--green-deep);font-weight:600}

/* ---------- 滚动浮现 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .card,.card .pic img,.eco-card,.step,.stat,.hero .bg img,.cta-band .sheen{transition:none;animation:none}
  .hero .bg img{transform:scale(1.02)}
}

/* ============================================================
   ≥768px 平板
   ============================================================ */
@media (min-width:768px){
  body{font-size:16px;padding-bottom:0}
  .quickbar{display:none}
  .hero h1{font-size:40px}
  .hero .kicker{font-size:12.5px}
  .sec-head h2{font-size:28px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(4,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .eco-grid{grid-template-columns:repeat(2,1fr)}
  section.block{padding:84px 0}
  .split{grid-template-columns:1fr 1fr;gap:48px}
  .contact-grid{grid-template-columns:1fr 1fr}
  .card .body{padding:22px 24px 26px}
}

/* ============================================================
   ≥1024px 桌面
   ============================================================ */
@media (min-width:1024px){
  .topbar{display:block}
  .menu-btn{display:none}
  .nav-menu{position:static;transform:none;padding:0;background:transparent;overflow:visible;display:flex;align-items:center;gap:2px}
  .nav-menu .drawer-head{display:none}
  .nav-menu a{border:none;padding:8px 13px;font-size:14.5px;position:relative;font-weight:600}
  .nav-menu a .dot{display:none}
  .nav-menu a::after{content:"";position:absolute;left:13px;right:13px;bottom:-2px;height:2.5px;border-radius:99px;background:transparent;transition:.25s}
  .nav-menu a:hover{background:transparent;color:var(--green-deep)}
  .nav-menu a.active{background:transparent}
  .nav-menu a.active{color:var(--green-deep);font-weight:700}
  .nav-menu a.active::after,.nav-menu a:hover::after{background:linear-gradient(90deg,var(--green),#7BE8AC)}
  .nav-menu a[data-c="blue"].active,.nav-menu a[data-c="blue"]:hover{color:var(--blue-deep)}
  .nav-menu a[data-c="blue"].active::after,.nav-menu a[data-c="blue"]:hover::after{background:var(--blue)}
  .nav-menu a[data-c="orange"].active,.nav-menu a[data-c="orange"]:hover{color:var(--orange-deep)}
  .nav-menu a[data-c="orange"].active::after,.nav-menu a[data-c="orange"]:hover::after{background:var(--orange)}
  .nav-menu .menu-cta{margin:0 0 0 12px;padding:10px 22px;font-size:14px;font-family:var(--font);background:linear-gradient(135deg,var(--green-deep),var(--green));box-shadow:0 4px 14px rgba(18,183,106,.32);border-radius:999px}
  .nav-row{height:76px}
  .nav-menu{position:static;margin-left:auto;transform:none}
  .brand .name{font-size:20px}
  .brand .name small{font-size:10.5px;letter-spacing:2.4px}
  .hero{min-height:88vh}
  .hero h1{font-size:clamp(40px,4.6vw,54px)}
  .hero p{font-size:16.5px}
  .sec-head h2{font-size:32px}
  .sec-head{margin-bottom:52px}
  .cards{grid-template-columns:repeat(3,1fr)}
  .cards.four{grid-template-columns:repeat(4,1fr)}
  .cards.four .card h3{font-size:16.5px}
  .cards.four .card p{font-size:13px}
  .cert-grid{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .eco-grid{grid-template-columns:repeat(2,1fr)}
  .split h2{font-size:30px}
  .stat .num{font-size:46px}
  .cta-band .phone{font-size:46px}
  footer .cols{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  section.block{padding:100px 0}
}