/* ============================================================
   江西龙烨新能源科技有限责任公司 · 官网设计系统 v2
   品牌：玉青青龙 + 鎏金火炬 ｜ 工业火焰 × 数字控制
   ============================================================ */
:root{
  --ink:#161b1f;          /* 石墨钢黑（深底/页脚） */
  --ink-2:#1e262c;        /* 次级深底 */
  --jade:#1c8c83;         /* 玉青（品牌主色·青龙/数字） */
  --jade-d:#13706a;       /* 玉青深 */
  --jade-l:#e6f2f0;       /* 玉青浅底 */
  --gold:#c08a35;         /* 鎏金（火炬金/高端点缀） */
  --gold-l:#e8c98c;       /* 浅金 */
  --flame:#e8621c;        /* 焰橙（能源/主行动） */
  --flame-d:#cf4f12;      /* 焰橙深 */
  --paper:#ffffff;
  --mist:#f6f5f2;         /* 暖灰背景 */
  --line:#e6e4de;         /* 发丝线 */
  --t1:#181d21;           /* 主文字 */
  --t2:#5b656b;           /* 次文字 */
  --t3:#8b949a;           /* 弱文字 */
  --white-86:rgba(255,255,255,.86);
  --white-62:rgba(255,255,255,.62);
  --white-14:rgba(255,255,255,.14);
  --shadow-sm:0 1px 2px rgba(20,27,31,.06),0 2px 8px rgba(20,27,31,.05);
  --shadow:0 8px 30px rgba(20,27,31,.10);
  --shadow-lg:0 24px 60px rgba(20,27,31,.18);
  --radius:14px;
  --radius-lg:20px;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--font);color:var(--t1);background:var(--paper);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.5px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,#f0742b,var(--flame) 55%,var(--flame-d));color:#fff;box-shadow:0 10px 26px rgba(232,98,28,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(232,98,28,.42)}
.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn-jade{background:var(--jade);color:#fff;box-shadow:0 10px 26px rgba(28,140,131,.28)}
.btn-jade:hover{background:var(--jade-d);transform:translateY(-2px)}
.btn-line{border:1px solid var(--line);color:var(--t1);background:#fff}
.btn-line:hover{border-color:var(--jade);color:var(--jade-d)}
.btn-lg{padding:16px 38px;font-size:16px}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:46px;height:46px;border-radius:50%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.brand b{display:block;font-size:18px;font-weight:800;letter-spacing:1px;color:#fff;line-height:1.25}
.brand span{display:block;font-size:10.5px;letter-spacing:2.5px;color:var(--white-62);font-weight:500}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line),0 8px 30px rgba(20,27,31,.06)}
.site-header.scrolled .brand b{color:var(--ink)}
.site-header.scrolled .brand span{color:var(--t3)}
.site-header.scrolled .nav a{color:var(--t1)}
.site-header.scrolled .nav a:hover,.site-header.scrolled .nav a.active{color:var(--jade-d)}
.site-header.scrolled .nav-cta{border-color:var(--line);color:var(--t1)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 14px;font-size:15px;font-weight:500;color:var(--white-86);border-radius:8px;transition:color .2s,background .2s}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.nav-cta{margin-left:10px;border:1px solid rgba(255,255,255,.35);color:#fff!important;background:rgba(255,255,255,.06)!important;border-radius:999px!important;padding:10px 22px!important;font-weight:600}
.nav-cta:hover{background:var(--flame)!important;border-color:var(--flame)!important}
.nav-soon{margin-left:8px;font-size:12.5px;color:var(--white-62);border:1px dashed rgba(255,255,255,.3);border-radius:999px;padding:8px 14px}
.site-header.scrolled .nav-soon{color:var(--t3);border-color:var(--line)}
.burger{display:none;flex-direction:column;gap:5px;width:46px;height:42px;align-items:center;justify-content:center;border-radius:10px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.site-header.scrolled .burger span{background:var(--ink)}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(15,20,24,.55);z-index:1001;opacity:0;transition:opacity .3s}
.drawer{position:fixed;top:0;right:0;width:320px;max-width:86%;height:100vh;background:#fff;z-index:1002;transition:transform .32s var(--ease);display:flex;flex-direction:column;box-shadow:-20px 0 60px rgba(0,0,0,.18);transform:translateX(105%)}
.drawer.open{transform:translateX(0)}
.drawer-mask.open{display:block;opacity:1}
.drawer-head{padding:22px 24px;background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;display:flex;align-items:center;gap:12px}
.drawer-head img{width:42px;height:42px;border-radius:50%;background:#fff}
.drawer-head b{font-size:16px}
.drawer-head small{display:block;color:var(--white-62);font-size:11px;letter-spacing:1px}
.drawer nav{padding:10px 12px;overflow:auto}
.drawer nav a{display:flex;align-items:center;gap:12px;padding:15px 14px;border-radius:10px;font-size:15.5px;color:var(--t1);border-bottom:1px solid #f1f0ec}
.drawer nav a:hover{background:var(--jade-l);color:var(--jade-d)}
.drawer-foot{margin-top:auto;padding:18px 20px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,20,24,.94) 0%,rgba(18,26,30,.82) 38%,rgba(20,27,31,.42) 72%,rgba(20,27,31,.62) 100%)}
.hero-inner{position:relative;z-index:2;padding-block:130px 90px;max-width:var(--maxw);margin:0 auto;width:100%}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(90deg,#000,transparent 70%)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;letter-spacing:2px;color:var(--gold-l);border:1px solid rgba(232,201,140,.35);padding:7px 16px;border-radius:999px;background:rgba(192,138,53,.1);margin-bottom:26px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--flame);box-shadow:0 0 0 4px rgba(232,98,28,.25)}
.hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.18;font-weight:900;letter-spacing:1px;max-width:760px}
.hero h1 .accent{background:linear-gradient(120deg,var(--gold-l),#f3a24c 55%,var(--flame));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:24px 0 36px;font-size:clamp(15.5px,1.6vw,19px);color:var(--white-86);max-width:620px;line-height:1.9}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-specs{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px;max-width:880px;border:1px solid var(--white-14);border-radius:var(--radius);background:rgba(20,27,31,.5);backdrop-filter:blur(8px);overflow:hidden}
.hero-spec{padding:22px 24px;border-right:1px solid var(--white-14)}
.hero-spec:last-child{border-right:none}
.hero-spec b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.hero-spec b em{font-style:normal;font-size:14px;color:var(--gold-l);font-weight:600;margin-left:2px}
.hero-spec span{font-size:13px;color:var(--white-62)}
.hero-note{position:relative;z-index:2;margin-top:14px;font-size:12px;color:rgba(255,255,255,.4)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section.mist{background:var(--mist)}
.section.ink{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:#fff}
.sec-head{max-width:720px;margin:0 auto 58px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.sec-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--jade-d);text-transform:uppercase}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--gold)}
.ink .sec-kicker{color:var(--gold-l)}
.sec-head h2{font-size:clamp(27px,3.4vw,38px);font-weight:850;letter-spacing:.5px;margin:14px 0 14px;line-height:1.3}
.sec-head p{color:var(--t2);font-size:16px}
.ink .sec-head p{color:var(--white-62)}

/* ---------- 数据条 ---------- */
.statband{background:var(--ink);color:#fff;padding:0}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.stat{padding:44px 20px;text-align:center;border-right:1px solid var(--white-14)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:clamp(28px,3vw,40px);font-weight:850;color:var(--gold-l);font-variant-numeric:tabular-nums;line-height:1}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--white-62)}

/* ---------- 业务板块 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.biz-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s;display:flex;flex-direction:column}
.biz-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.biz-media{position:relative;height:200px;overflow:hidden}
.biz-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.biz-card:hover .biz-media img{transform:scale(1.06)}
.biz-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(20,27,31,.72))}
.biz-no{position:absolute;top:16px;left:18px;z-index:2;font-size:13px;letter-spacing:2px;color:var(--gold-l);font-weight:700}
.biz-media h3{position:absolute;left:18px;bottom:14px;z-index:2;color:#fff;font-size:21px;font-weight:800;letter-spacing:.5px}
.biz-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.biz-body p{font-size:14.5px;color:var(--t2);line-height:1.85;flex:1}
.biz-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.biz-tags i{font-style:normal;font-size:12.5px;color:var(--jade-d);background:var(--jade-l);padding:4px 11px;border-radius:999px}
.biz-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--flame);padding:6px 0;min-height:36px}
.biz-more svg{width:15px;height:15px;transition:transform .25s}
.biz-card:hover .biz-more svg{transform:translateX(4px)}
.biz-card.wide{grid-column:span 3;flex-direction:row}
.biz-card.wide .biz-media{width:38%;height:auto;min-height:260px}
.biz-card.wide .biz-body{justify-content:center;padding:40px 44px}

/* ---------- 技术优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv{border:1px solid var(--white-14);border-radius:var(--radius);padding:30px 28px;background:rgba(255,255,255,.03);transition:background .3s,border-color .3s,transform .3s}
.adv:hover{background:rgba(255,255,255,.06);border-color:rgba(232,201,140,.4);transform:translateY(-4px)}
.adv .ic{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(28,140,131,.35),rgba(28,140,131,.12));border:1px solid rgba(28,140,131,.4);margin-bottom:18px}
.adv .ic svg{width:25px;height:25px;stroke:var(--gold-l)}
.adv h3{font-size:18px;color:#fff;margin-bottom:10px;font-weight:750}
.adv p{font-size:14px;color:var(--white-62);line-height:1.85}
.patent-note{margin-top:34px;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}
.patent-note b{color:var(--gold-l);font-weight:600}

/* ---------- 数字平台（冷青） ---------- */
.platform{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.platform-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.platform-media img{width:100%;height:420px;object-fit:cover}
.platform-media .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.platform h2{font-size:clamp(26px,3vw,34px);font-weight:850;line-height:1.35;margin-bottom:18px}
.platform p.lead{color:var(--t2);font-size:16px;margin-bottom:26px}
.plat-list{display:grid;gap:16px;margin-bottom:30px}
.plat-item{display:flex;gap:15px;align-items:flex-start}
.plat-item .n{flex:none;width:38px;height:38px;border-radius:10px;background:var(--jade-l);color:var(--jade-d);display:flex;align-items:center;justify-content:center;font-weight:800;font-variant-numeric:tabular-nums}
.plat-item h4{font-size:16px;margin-bottom:3px}
.plat-item p{font-size:14px;color:var(--t2)}

/* ---------- 应用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene{position:relative;border-radius:var(--radius);overflow:hidden;height:230px;color:#fff}
.scene img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.scene:hover img{transform:scale(1.07)}
.scene .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,27,31,.1),rgba(20,27,31,.85));display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
.scene h3{font-size:18px;font-weight:750}
.scene p{font-size:13px;color:var(--white-86);margin-top:4px}

/* ---------- 加盟阶梯 ---------- */
.partner-band{background:linear-gradient(150deg,#14201f,#162b28 60%,#10261f);color:#fff;border-radius:var(--radius-lg);padding:60px 56px;position:relative;overflow:hidden}
.partner-band::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(192,138,53,.22),transparent 70%)}
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:38px 0;position:relative;z-index:2}
.lvl{background:rgba(255,255,255,.05);border:1px solid var(--white-14);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.3s}
.lvl:hover{background:rgba(255,255,255,.09);border-color:rgba(232,201,140,.45);transform:translateY(-5px)}
.lvl .lv-tag{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--gold-l);border:1px solid rgba(232,201,140,.4);border-radius:999px;padding:4px 14px;margin-bottom:14px}
.lvl h3{font-size:20px;font-weight:800;margin-bottom:10px}
.lvl p{font-size:13.5px;color:var(--white-62);line-height:1.8}
.partner-cta{display:flex;gap:16px;flex-wrap:wrap;position:relative;z-index:2;align-items:center}
.partner-band h2{font-size:clamp(25px,3vw,33px);font-weight:850;position:relative;z-index:2}
.partner-band .sub{color:var(--white-62);margin-top:12px;position:relative;z-index:2}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card .bar{height:6px;background:linear-gradient(90deg,var(--jade),var(--gold))}
.news-body{padding:24px 24px 26px}
.news-tag{display:inline-block;font-size:12px;color:var(--jade-d);background:var(--jade-l);padding:3px 11px;border-radius:999px;margin-bottom:13px}
.news-card h3{font-size:17.5px;line-height:1.55;font-weight:750;margin-bottom:11px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px}
.news-card p{font-size:14px;color:var(--t2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t3);border-top:1px solid var(--line);padding-top:14px}

/* ---------- 资质合规 ---------- */
.cred-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cred{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 22px;transition:.3s}
.cred:hover{border-color:var(--jade);box-shadow:var(--shadow-sm)}
.cred .ic{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;background:var(--jade-l);display:flex;align-items:center;justify-content:center}
.cred .ic svg{width:28px;height:28px;stroke:var(--jade-d)}
.cred h3{font-size:16.5px;margin-bottom:8px}
.cred p{font-size:13px;color:var(--t2);line-height:1.7}

/* ---------- 底部CTA ---------- */
.cta{position:relative;color:#fff;padding:84px 0;text-align:center;overflow:hidden;background:linear-gradient(135deg,#1a2320,#15201d)}
.cta::before{content:"";position:absolute;inset:0;opacity:.5;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}
.cta .wrap{position:relative;z-index:2}
.cta h2{font-size:clamp(27px,3.6vw,40px);font-weight:850;margin-bottom:16px}
.cta p{color:var(--white-86);font-size:17px;margin-bottom:34px}
.cta .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta .hotline{margin-top:26px;font-size:15px;color:var(--white-62)}
.cta .hotline b{font-size:22px;color:var(--gold-l);font-variant-numeric:tabular-nums;letter-spacing:1px;margin-left:8px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:var(--white-62);padding:70px 0 0}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:46px}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.f-brand img{width:48px;height:48px;border-radius:50%;background:#fff}
.f-brand b{color:#fff;font-size:17px;letter-spacing:1px}
.footer p.f-desc{font-size:13.5px;line-height:1.9;max-width:340px}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer ul li{margin-bottom:11px}
.footer ul a,.footer ul span{font-size:13.5px;color:var(--white-62);transition:color .2s}
.footer ul a:hover{color:var(--gold-l)}
.f-contact li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;margin-bottom:13px}
.f-contact svg{width:16px;height:16px;flex:none;margin-top:3px;stroke:var(--gold-l)}
.footer-bottom{border-top:1px solid var(--white-14);padding:22px 0}
.footer-bottom .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px}
.beian{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.beian a{display:inline-flex;align-items:center;gap:6px;color:var(--white-62)}
.beian a:hover{color:var(--gold-l)}
.beian img{height:18px;width:auto;background:#fff;border-radius:2px;padding:1px 2px}

/* ---------- 内页横幅 ---------- */
.page-hero{position:relative;margin-top:0;padding:150px 0 70px;color:#fff;background:linear-gradient(135deg,var(--ink),#152522);overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(192,138,53,.18),transparent 70%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(30px,4vw,44px);font-weight:850;letter-spacing:1px}
.page-hero p{margin-top:14px;color:var(--white-86);font-size:17px;max-width:680px}
.crumb{font-size:13px;color:var(--white-62);margin-bottom:18px}
.crumb a:hover{color:var(--gold-l)}

/* ---------- 滚动揭示（克制） ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .biz-card.wide{grid-column:span 2;flex-direction:column}
  .biz-card.wide .biz-media{width:100%;min-height:220px}
  .biz-card.wide>div:first-child{flex:0 0 auto!important;padding:38px 0 10px}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cred-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:none}
  .platform{grid-template-columns:1fr;gap:36px}
  .platform-media img{height:340px}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .ladder{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .wrap{padding:0 18px}
  .section{padding:64px 0}
  .nav,.nav-cta,.nav-soon{display:none}
  .burger{display:flex}
  .hero{min-height:auto}
  .hero-inner{padding-block:108px 60px}
  .hero-specs{grid-template-columns:repeat(2,1fr);margin-top:44px;min-width:0}
  .hero-spec{padding:16px 16px;min-width:0}
  .hero-spec b{font-size:20px;line-height:1.25;word-break:break-word}
  .hero-spec b em{display:block;margin:2px 0 0;font-size:11px}
  .hero-spec:nth-child(2){border-right:none}
  .hero-spec:nth-child(1),.hero-spec:nth-child(2){border-bottom:1px solid var(--white-14)}
  .hero h1{font-size:clamp(27px,8.2vw,34px);overflow-wrap:anywhere;word-break:break-word}
  .hero-eyebrow{white-space:normal;gap:8px;padding:8px 14px}
  .hero-actions .btn{width:100%;justify-content:center;white-space:normal;text-align:center}
  img,svg{max-width:100%}
  .biz-grid,.adv-grid,.news-grid{grid-template-columns:1fr}
  .biz-card.wide{grid-column:span 1}
  .scene-grid{grid-template-columns:1fr}
  .cred-grid{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2n){border-right:none}
  .partner-band{padding:42px 26px}
  .ladder{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom .wrap{justify-content:center;text-align:center}
  .platform-media img{height:240px}
  .biz-card.wide>div:first-child{padding:30px 0 8px}
  .biz-more{min-height:44px;padding:10px 0}
  .burger{height:44px}
  .beian a{padding:6px 0}
  .hero-spec span{font-size:13.5px}
  .patent-note{font-size:13.5px;line-height:1.8}
}