/* ============================================================
   Design Tokens — 取自 yangyuwangluo.cn 现行色板
   ============================================================ */
:root{
  --main:#81cbe5;          /* 主色 · 天蓝 */
  --main-dark:#4aa8c9;     /* 主色加深 · hover */
  --main-soft:#e8f6fc;     /* 主色浅底 */
  /* 单色体系：强调色改用同族深青蓝，取消黄色点缀 */
  --acc:#2e7d9e;           /* 强调色 · 深青蓝 */
  --acc-dark:#1c5c78;      /* 强调加深 */
  --acc-soft:#e4f0f6;      /* 强调浅底 */
  --acc-rgb:46,125,158;    /* 强调色 RGB 通道 */
  --ink:#0f2744;           /* 标题 / 深底 */
  --ink-2:#1c3d63;
  --body:#4b5563;          /* 正文灰 */
  --body-2:#6b7280;
  --line:#e6eaef;
  --bg:#f9fafb;
  --bg-2:#f5f5f5;
  --white:#fff;

  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(15,39,68,.05);
  --shadow:0 8px 28px rgba(15,39,68,.09);
  --shadow-lg:0 18px 48px rgba(15,39,68,.14);

  --maxw:1400px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  font-family:"SourceHanSansCN","Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--body);background:var(--white);
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}

/* 内容区实得 1400px：max-width 含 padding，故此处不设左右 padding */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0}

/* ---------- 通用标题 ---------- */
.sec-title{
  font-size:clamp(30px,3.9vw,46px);line-height:1.25;font-weight:800;
  color:var(--ink);letter-spacing:-.02em;margin:0;
}
.sec-lead{margin:16px 0 0;font-size:17px;line-height:1.9;color:var(--body);max-width:1100px}
.sec-head{margin-bottom:52px}
.sec-head.center{text-align:center}
.sec-head.center .sec-lead{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:100px;font-size:15px;font-weight:700;
  transition:all .28s var(--ease);white-space:nowrap;cursor:pointer;
}
.btn-primary{background:var(--main);color:var(--ink);box-shadow:0 6px 18px rgba(129,203,229,.4)}
.btn-primary:hover{background:var(--acc-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(var(--acc-rgb),.42)}
.btn-acc{background:linear-gradient(135deg,var(--acc) 0%,var(--acc-dark) 100%);color:#fff;box-shadow:0 6px 18px rgba(var(--acc-rgb),.34)}
.btn-acc:hover{background:var(--acc);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(var(--acc-rgb),.42)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc-dark);background:var(--acc-soft)}
.btn-sm{padding:10px 22px;font-size:14px}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:42px;gap:20px}
.topbar-l{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.topbar span{display:inline-flex;align-items:center;gap:6px}
.topbar i{width:5px;height:5px;border-radius:50%;background:var(--main);display:inline-block}
.topbar-r{display:flex;gap:20px;align-items:center}
.topbar-r a:hover{color:var(--main)}
.topbar .hot{color:var(--main);font-weight:700}

/* ============================================================
   HEADER
   ============================================================ */

@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 520px at 78% -8%,rgba(129,203,229,.30),transparent 62%),
    radial-gradient(760px 420px at 6% 108%,rgba(46,125,158,.22),transparent 60%),
    linear-gradient(160deg,#0f2744 0%,#16375c 52%,#0f2744 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;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:radial-gradient(circle at 50% 40%,#000,transparent 78%);
}
.hero .wrap{position:relative;z-index:2;padding:96px 0 0}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}

.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:100px;
  background:rgba(129,203,229,.14);border:1px solid rgba(129,203,229,.34);
  font-size:13px;font-weight:600;color:#bfe6f6;letter-spacing:.04em;
}
.hero-tag b{color:var(--main)}
.hero-tag .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--main);
  box-shadow:0 0 0 0 rgba(129,203,229,.7);animation:pulse 2.2s infinite;
}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(129,203,229,0)}100%{box-shadow:0 0 0 0 rgba(129,203,229,0)}}

.hero h1{
  font-size:clamp(34px,4.7vw,58px);line-height:1.16;font-weight:800;
  letter-spacing:-.025em;margin:26px 0 0;
}
.hero h1 em{font-style:normal;color:var(--main);position:relative}
.hero h1 .hl{
  color:var(--ink);background:linear-gradient(180deg,transparent 56%,rgba(129,203,229,.72) 56%);
  padding:0 6px;border-radius:3px;
}
.hero-sub{margin:24px 0 0;font-size:17.5px;line-height:1.95;color:rgba(255,255,255,.8);max-width:600px}
.hero-sub b{color:#fff;font-weight:700}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}

/* Hero 右侧能力卡 */
.hero-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.15);
  border-radius:20px;padding:34px;backdrop-filter:blur(14px);
  box-shadow:0 26px 70px rgba(0,0,0,.32);
}
.hero-card h3{
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--main);
  text-transform:uppercase;padding-bottom:16px;margin-bottom:6px;
  border-bottom:1px solid rgba(255,255,255,.13);
}
.hero-stat{
  display:flex;align-items:flex-end;gap:14px;
  padding:20px 0;border-bottom:1px dashed rgba(255,255,255,.13);
}
.hero-stat:last-child{border-bottom:none;padding-bottom:0}
.hero-stat .n{
  font-size:44px;font-weight:800;line-height:1;color:#fff;letter-spacing:-.03em;
  min-width:118px;
}
.hero-stat .n small{font-size:20px;font-weight:700;color:var(--main);margin-left:2px}
.hero-stat .d{font-size:14.5px;line-height:1.55;color:rgba(255,255,255,.7);padding-bottom:3px}
.hero-stat .d b{display:block;color:#fff;font-size:15.5px;font-weight:700;margin-bottom:2px}

/* Hero 底部指标条 */
.hero-bar{
  position:relative;z-index:2;margin-top:82px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:34px 0 40px;
}
.hero-bar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hb{text-align:center;position:relative}
.hb + .hb::before{
  content:"";position:absolute;left:0;top:12%;bottom:12%;width:1px;
  background:rgba(255,255,255,.14);
}
.hb .n{font-size:32px;font-weight:800;color:var(--main);line-height:1.1;letter-spacing:-.02em}
.hb .n small{font-size:17px;color:var(--main)}
.hb .t{font-size:13.5px;color:rgba(255,255,255,.62);margin-top:8px;font-weight:500}

/* ============================================================
   SECTION 通用
   ============================================================ */
section{position:relative}
.sec{padding:104px 0}
.sec.bg{background:var(--bg)}
.sec.bg2{background:linear-gradient(180deg,#f5f7f9,#f9fafb)}

/* ============================================================
   八大品类
   ============================================================ */
/* 品类优势条 · 位于标题与八卡之间，承接标题的视觉重量 */
/* 品类优势条 · 横排两张，与下方八宫格同宽对齐 */
.adv-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  margin-top:-18px;margin-bottom:26px;
}
.adv{
  display:grid;grid-template-columns:auto auto 1fr;gap:18px 20px;align-items:center;
  padding:24px 28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  position:relative;overflow:hidden;
  transition:box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.adv::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;
  background:linear-gradient(180deg,var(--main),var(--acc));
}
.adv:hover{box-shadow:var(--shadow-sm);border-color:rgba(46,125,158,.34)}
.adv-ico{
  width:56px;height:56px;border-radius:14px;flex-shrink:0;display:grid;place-items:center;
  background:var(--acc-soft);color:var(--acc-dark);
  transition:all .32s var(--ease);
}
.adv-ico svg{width:28px;height:28px}
.adv:hover .adv-ico{background:var(--acc);color:#fff}
.adv-main{display:flex;align-items:baseline;gap:12px;flex-wrap:nowrap}
.adv-n{
  font-size:42px;font-weight:800;line-height:1;color:var(--ink);
  letter-spacing:-.035em;
}
.adv-n small{font-size:22px;font-weight:700;color:var(--acc);margin-left:1px}
.adv-k{
  font-size:15px;font-weight:700;color:var(--body);letter-spacing:.02em;white-space:nowrap;
}
.adv-desc{
  font-size:14.5px;line-height:1.7;color:var(--body-2);
  padding-left:20px;border-left:1px solid var(--line);
}

/* 区块内小标题 · 左竖线式，与 FAQ 侧栏统一 */
.sub-hd{margin:34px 0 42px;padding-left:18px;border-left:4px solid var(--acc)}
.sub-title{
  font-size:23px;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1.4;
  margin-bottom:20px;
}

.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat{
  position:relative;padding:30px 26px 28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  transition:all .32s var(--ease);overflow:hidden;
}
.cat::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--main),var(--acc));transition:width .38s var(--ease);
}
.cat:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.cat:hover::after{width:100%}
.cat-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--main-soft);color:var(--acc-dark);margin-bottom:18px;
  transition:all .32s var(--ease);
}
.cat:hover .cat-ico{background:var(--main);color:#fff;transform:rotate(-6deg) scale(1.06)}
.cat-ico svg{width:26px;height:26px}
.cat h3{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.cat p{font-size:14.5px;line-height:1.78;color:var(--body-2);margin-top:10px}
.cat .tagline{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:700;
  color:var(--acc-dark);background:var(--main-soft);padding:4px 10px;border-radius:6px;
}

/* ============================================================
   核心服务能力
   ============================================================ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;transition:all .32s var(--ease);
  display:flex;flex-direction:column;
}
.svc:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:rgba(129,203,229,.5)}
.svc-no{
  font-size:13px;font-weight:800;color:var(--main);letter-spacing:.1em;
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.svc-no::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,rgba(129,203,229,.55),transparent)}
.svc h3{font-size:18.5px;font-weight:800;color:var(--ink);line-height:1.5}
.svc h3 .k{color:var(--acc-dark)}
.svc p{font-size:14.8px;line-height:1.82;color:var(--body-2);margin-top:12px;flex:1}
.svc-foot{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--body-2);display:flex;align-items:center;gap:7px;
}
.svc-foot b{color:var(--ink);font-weight:700}
.svc-foot .dot{width:5px;height:5px;border-radius:50%;background:var(--acc)}

/* ============================================================
   解决方案
   ============================================================ */
.sol-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.sol{
  position:relative;border-radius:var(--radius);padding:28px 22px 26px;
  background:linear-gradient(165deg,#0f2744,#1c3d63);color:#fff;overflow:hidden;
  transition:all .36s var(--ease);
  display:flex;flex-direction:column;
}
.sol::before{
  content:"";position:absolute;right:-46px;top:-46px;width:170px;height:170px;
  border-radius:50%;background:radial-gradient(circle,rgba(129,203,229,.28),transparent 68%);
  transition:all .5s var(--ease);
}
.sol:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.sol:hover::before{transform:scale(1.35)}
.sol-no{
  font-size:34px;font-weight:800;line-height:1;color:rgba(129,203,229,.32);
  letter-spacing:-.04em;margin-bottom:12px;
}
.sol h3{font-size:18px;font-weight:800;letter-spacing:-.01em;position:relative;line-height:1.4}
.sol h3::after{
  content:"";display:block;width:32px;height:3px;border-radius:3px;
  background:var(--main);margin-top:10px;
}
.sol p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.74);margin-top:14px;position:relative;flex:1}
.sol-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px;position:relative}
.sol-tags span{
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:100px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);color:#d7e8f3;
}

/* ============================================================
   技术 & 全国化
   ============================================================ */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tech{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;transition:all .32s var(--ease);
  display:flex;flex-direction:column;
}
.tech:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.tech-ico{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--ink),#1c3d63);color:var(--main);margin-bottom:18px;
}
.tech-ico svg{width:24px;height:24px}
.tech h3{font-size:19px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.tech h3 em{
  font-style:normal;font-size:12.5px;font-weight:800;color:var(--acc);
  background:var(--acc-soft);padding:3px 9px;border-radius:6px;
}
.tech p{font-size:15px;line-height:1.85;color:var(--body);margin-top:12px}
.tech-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;flex:1}
.tech-list li{
  list-style:none;font-size:14.5px;line-height:1.82;color:var(--body);
  padding-left:18px;position:relative;
}
.tech-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:50%;
  background:var(--acc);
}
.tech-list li b{
  display:block;color:var(--acc-dark);font-weight:800;
  font-size:15px;letter-spacing:.04em;margin-bottom:5px;
}

/* ============================================================
   案例
   ============================================================ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .34s var(--ease);
}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-top{
  height:132px;position:relative;overflow:hidden;
  display:flex;align-items:flex-end;padding:20px;
}
.case:nth-child(1) .case-top{background:linear-gradient(140deg,#0f2744,#2c5f8a)}
.case:nth-child(2) .case-top{background:linear-gradient(140deg,#1c3d63,#4aa8c9)}
.case:nth-child(3) .case-top{background:linear-gradient(140deg,#16405f,#0f2744)}
.case-top::after{
  content:"";position:absolute;right:-30px;top:-30px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(129,203,229,.34),transparent 66%);
}
.case-cat{
  position:relative;z-index:2;font-size:12.5px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--acc),var(--acc-dark));padding:5px 13px;border-radius:100px;
}
.case-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:18.5px;font-weight:800;color:var(--ink);line-height:1.5}
.case-body p{font-size:14.8px;line-height:1.82;color:var(--body-2);margin-top:12px;flex:1}
.case-kpi{
  display:flex;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
}
.case-kpi div{flex:1}
.case-kpi .n{font-size:19px;font-weight:800;color:var(--acc-dark);line-height:1.2}
.case-kpi .t{font-size:12px;color:var(--body-2);margin-top:3px}

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap{display:grid;grid-template-columns:.62fr 1.38fr;gap:52px;align-items:start}
.faq-side{position:sticky;top:110px;padding-left:24px;border-left:3px solid var(--main)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:all .3s var(--ease);
}
.faq-item.open{border-color:rgba(129,203,229,.55);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--ink);
  transition:background .25s var(--ease);
}
.faq-q:hover{background:var(--main-soft)}
.faq-item.open .faq-q{color:var(--acc-dark)}
.faq-q .q-mark{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--main-soft);color:var(--acc-dark);font-size:15px;font-weight:800;
  transition:all .3s var(--ease);
}
.faq-item.open .faq-q .q-mark{background:var(--main);color:#fff;transform:rotate(180deg)}
.faq-q .q-text{flex:1}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .38s var(--ease);
  background:#fbfcfd;
}
.faq-a p{
  padding:4px 24px 22px 66px;font-size:15px;line-height:1.88;color:var(--body);
  max-width:720px;
}
.faq-a p b{color:var(--ink);font-weight:700}

/* ============================================================
   CTA
   ============================================================ */
.cta{
  position:relative;overflow:hidden;border-radius:24px;
  background:
    radial-gradient(700px 320px at 88% 0%,rgba(129,203,229,.34),transparent 62%),
    linear-gradient(140deg,#0f2744,#1c3d63 70%,#0f2744);
  padding:66px 60px;color:#fff;
  display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
}
.cta::after{
  content:"";position:absolute;inset:0;opacity:.35;
  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:52px 52px;
  mask-image:radial-gradient(circle at 80% 30%,#000,transparent 72%);
}
.cta > *{position:relative;z-index:2}
.cta h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.28;letter-spacing:-.02em}
.cta h2 em{font-style:normal;color:var(--main)}
.cta p{margin:18px 0 0;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.78);max-width:640px}
.cta-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.cta-side{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:18px;padding:28px;backdrop-filter:blur(10px);
}
.cta-side .row{
  display:flex;align-items:center;gap:14px;padding:14px 0;
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.cta-side .row:last-of-type{border-bottom:none}
.cta-side .ico{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(129,203,229,.18);color:var(--main);
}
.cta-side .ico svg{width:19px;height:19px}
.cta-side .k{font-size:12.5px;color:rgba(255,255,255,.58);font-weight:600}
.cta-side .v{font-size:16px;font-weight:700;color:#fff;margin-top:2px;word-break:break-all}
.cta-note{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7;
}



/* 回到顶部 */
.totop{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--main);color:var(--ink);display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(15,39,68,.22);z-index:800;
  opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s var(--ease);
}
.totop.show{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--acc);color:#fff;transform:translateY(-3px)}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .68s var(--ease),transform .68s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid,.sol-grid,.tech-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(3,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:34px}
  .faq-side{position:static}
  .cta{grid-template-columns:1fr;padding:52px 42px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:860px){
  .nav,.header-cta .btn-ghost{display:none}
  .burger{display:flex}
  .topbar-l span:nth-child(n+3){display:none}
  .sec{padding:76px 0}
  .hero .wrap{padding:72px 0 0}
  .hero-bar{margin-top:60px}
  .hero-bar-grid{grid-template-columns:repeat(2,1fr);gap:28px 12px}
  .hb:nth-child(3)::before{display:none}
  .hb:nth-child(n+3){padding-top:16px}
  .hero-card{padding:26px}
  .hero-stat .n{font-size:36px;min-width:96px}
  .cta{padding:40px 26px}
  .cta-side{padding:22px}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .cat-grid,.svc-grid,.sol-grid,.tech-grid,.case-grid,.footer-grid{grid-template-columns:1fr}
  .sol{padding:30px 26px 28px}
  .sol-no{font-size:38px;margin-bottom:14px}
  .sol h3{font-size:19px}
  .sol h3::after{width:36px;margin-top:12px}
  .sol p{font-size:14.5px;margin-top:16px}
  .sol-tags{gap:8px;margin-top:20px}
  .sol-tags span{font-size:12.5px;padding:5px 12px}
  .adv-grid{grid-template-columns:1fr;gap:14px;margin-bottom:32px}
  .adv{grid-template-columns:auto 1fr;gap:12px 16px;padding:20px 22px}
  .adv-ico{width:46px;height:46px;border-radius:12px;grid-row:span 2}
  .adv-ico svg{width:23px;height:23px}
  .adv-n{font-size:34px}
  .adv-n small{font-size:19px}
  .adv-desc{grid-column:2;padding-left:0;border-left:none}
  .adv-desc{font-size:13.5px}
  .hero-actions .btn,.cta-actions .btn{flex:1}
  .faq-a p{padding-left:24px}
  .footer{gap:32px;margin-top:76px}
  .footer-bottom{flex-direction:column;text-align:center}
  .topbar-r a:not(.hot){display:none}
  .case-top{height:112px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}