/* =========================================================
   华源（浙江）动力科技有限公司 - 官网样式
   ========================================================= */

:root{
  --navy-950:#081d3d;
  --navy-900:#0a2247;
  --navy-800:#0e2b57;
  --navy-700:#123463;
  --blue-600:#1c5aa8;
  --blue-500:#2b74c8;
  --blue-400:#3f8fd9;
  --sky-300:#7fc3ee;
  --green-600:#53a72e;
  --green-500:#6cbe45;
  --green-400:#8ad061;
  --green-300:#a8e084;
  --ink:#1c2738;
  --text:#3c4a60;
  --muted:#64748b;
  --line:#e2eaf4;
  --bg:#f4f8fc;
  --shadow-sm:0 4px 14px rgba(15,42,87,.06);
  --shadow-md:0 12px 34px rgba(15,42,87,.10);
  --shadow-lg:0 22px 60px rgba(15,42,87,.16);
  --grad-accent:linear-gradient(90deg,#8ad061,#3f8fd9);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;color:var(--text);background:#fff;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit}
::selection{background:#cdecc0;color:#123463}

.container{width:min(1200px,92%);margin:0 auto}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:8px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(135deg,#74c447,#53a72e);color:#fff;box-shadow:0 10px 26px rgba(83,167,46,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(83,167,46,.40);color:#fff}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy-700);border-color:#fff}
.btn-blue{background:linear-gradient(135deg,#2b74c8,#1c5aa8);color:#fff;box-shadow:0 10px 26px rgba(28,90,168,.28)}
.btn-blue:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{border-color:#cfe0f2;color:var(--blue-600);background:#fff}
.btn-ghost:hover{border-color:var(--blue-500);color:var(--blue-600);box-shadow:var(--shadow-sm)}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--navy-900);color:rgba(255,255,255,.85);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:20px}
.topbar-left{display:flex;align-items:center;gap:8px;letter-spacing:.04em;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:26px}
.topbar-item{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.topbar-item svg{width:14px;height:14px;opacity:.85;flex-shrink:0}
.topbar-item a{color:inherit}
.topbar-item a:hover{color:#fff}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:-38px;z-index:1000}
.navbar{background:#fff;transition:box-shadow .25s ease}
.site-header.scrolled .navbar{box-shadow:0 6px 24px rgba(15,42,87,.10)}
.navbar-inner{display:flex;align-items:center;height:78px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:28px}
.nav a{position:relative;padding:10px 15px;font-size:15px;font-weight:500;color:#2c3a52;transition:color .2s}
.nav a:hover{color:var(--blue-600)}
.nav a.active{color:var(--blue-600);font-weight:600}
.nav a.active:after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-2px;width:22px;height:3px;border-radius:2px;background:var(--grad-accent);
}
.navbar-cta{display:flex;align-items:center;gap:18px}
.hotline{display:flex;align-items:center;gap:12px;padding-left:24px;border-left:1px solid var(--line)}
.hotline-icon{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#2b74c8,#1c5aa8);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.hotline-icon svg{width:19px;height:19px}
.hotline-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.4}
.hotline-text strong{font-size:16.5px;color:var(--navy-700);letter-spacing:.02em}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy-700);border-radius:2px;transition:all .3s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-overlay{display:none}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 480px at 85% -10%,rgba(47,116,200,.55),transparent 60%),
    radial-gradient(700px 420px at -10% 110%,rgba(108,190,69,.18),transparent 60%),
    linear-gradient(150deg,#0a2144 0%,#0f3468 48%,#0c2a53 100%);
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-glow{position:absolute;border-radius:50%;filter:blur(70px)}
.hero-glow.g1{width:420px;height:420px;background:rgba(63,143,217,.30);top:-140px;right:8%}
.hero-glow.g2{width:360px;height:360px;background:rgba(108,190,69,.18);bottom:-160px;left:-90px}
.hero-ring{
  position:absolute;right:-180px;top:50%;transform:translateY(-50%);
  width:720px;height:720px;opacity:.9;
}
.hero-inner{position:relative;z-index:2;padding:92px 0 120px}
.hero-slider{display:grid}
.hero-slide{
  grid-area:1/1;opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .8s ease,transform .8s ease;
}
.hero-slide.active{opacity:1;transform:none;pointer-events:auto}
.hero-content{max-width:680px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:13px;letter-spacing:.24em;color:#9bdb72;font-weight:600;
  text-transform:uppercase;margin-bottom:22px;
}
.hero-eyebrow:before{content:"";width:34px;height:2px;border-radius:2px;background:var(--grad-accent)}
.hero-title{font-size:46px;line-height:1.3;font-weight:700;margin:0 0 22px;letter-spacing:.01em}
.hero-text{font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);margin:0 0 36px;max-width:580px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{
  position:absolute;left:50%;bottom:36px;transform:translateX(-50%);
  display:flex;gap:10px;z-index:3;
}
.dot{
  width:9px;height:9px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.32);transition:all .25s;
}
.dot.active{width:26px;border-radius:6px;background:linear-gradient(90deg,#8ad061,#3f8fd9)}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:48px;height:48px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;
  display:flex;align-items:center;justify-content:center;transition:all .25s;
}
.hero-arrow:hover{background:rgba(255,255,255,.14)}
.hero-arrow svg{width:20px;height:20px}
.hero-arrow.prev{left:26px}
.hero-arrow.next{right:26px}

/* ---------- 通用区块 ---------- */
.section{padding:90px 0}
.section-light{background:var(--bg)}
.section-head{max-width:780px;margin:0 auto 54px;text-align:center}
.section-head.left{text-align:left;margin-left:0;margin-right:0}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.22em;color:var(--green-600);
  font-weight:600;text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:34px;line-height:1.35;margin:0 0 16px;color:var(--ink);font-weight:700}
.section-desc{color:var(--muted);font-size:15px;line-height:1.9;margin:0}

/* ---------- 核心优势 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:32px 26px;box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.feature-icon{
  width:54px;height:54px;border-radius:12px;margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;
}
.feature-icon svg{width:26px;height:26px}
.feature-icon.c-blue{background:#e8f1fd;color:var(--blue-500)}
.feature-icon.c-green{background:#eaf6e2;color:var(--green-600)}
.feature-icon.c-navy{background:#e7edf7;color:var(--navy-700)}
.feature-icon.c-sky{background:#e6f4fd;color:#1f96d6}
.feature-card h3{font-size:17px;color:var(--ink);margin:0 0 10px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}

/* ---------- 产品卡片 ---------- */
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.product-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe0f2}
.pc-visual{height:200px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.pc-visual.v-board{background:linear-gradient(135deg,#0d2b57,#2064b8)}
.pc-visual.v-solution{background:linear-gradient(135deg,#0f3163 0%,#2b74c8 55%,#63b83e 100%)}
.pc-visual svg{width:72%;max-width:400px;height:auto}
.pc-body{padding:30px 30px 34px}
.pc-title{font-size:22px;color:var(--ink);margin:0 0 12px}
.pc-desc{margin:0 0 18px;color:var(--text);line-height:1.85;font-size:15px}
.pc-list{display:grid;gap:11px;margin:0 0 24px}
.pc-list li{position:relative;padding-left:27px;font-size:14.5px;color:var(--text)}
.pc-list li:before{
  content:"";position:absolute;left:0;top:4px;width:17px;height:17px;border-radius:50%;
  background:#eaf6e2;border:1px solid #bfe3a8;
}
.pc-list li:after{
  content:"";position:absolute;left:6px;top:8.5px;width:6px;height:3px;
  border-left:1.6px solid #4f9e2c;border-bottom:1.6px solid #4f9e2c;transform:rotate(-45deg);
}
.pc-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue-500);font-weight:600;font-size:15px}
.pc-link svg{width:16px;height:16px;transition:transform .2s}
.pc-link:hover{color:var(--blue-600)}
.pc-link:hover svg{transform:translateX(4px)}

/* ---------- 应用领域 ---------- */
.apps-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.app-item{display:block;text-align:center;padding:26px 12px;border-radius:14px;border:1px solid transparent;transition:all .3s ease}
.app-item:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.app-icon{
  width:60px;height:60px;margin:0 auto 16px;border-radius:16px;
  background:linear-gradient(135deg,#e8f1fd,#eaf6e2);color:var(--blue-500);
  display:flex;align-items:center;justify-content:center;transition:all .3s ease;
}
.app-icon svg{width:28px;height:28px}
.app-item:hover .app-icon{background:linear-gradient(135deg,#2b74c8,#57ab2f);color:#fff}
.app-item h3{font-size:15.5px;color:var(--ink);margin:0 0 8px}
.app-item p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0}

/* ---------- 关于我们（首页） ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.about-copy .section-title{margin-bottom:20px}
.about-copy p.lead{font-size:15px;color:var(--text);line-height:2;margin:0 0 14px}
.about-points{display:grid;gap:12px;margin:24px 0 32px}
.about-points li{position:relative;padding-left:27px;font-size:14.5px;color:var(--text)}
.about-points li:before{
  content:"";position:absolute;left:0;top:4px;width:17px;height:17px;border-radius:50%;
  background:#eaf6e2;border:1px solid #bfe3a8;
}
.about-points li:after{
  content:"";position:absolute;left:6px;top:8.5px;width:6px;height:3px;
  border-left:1.6px solid #4f9e2c;border-bottom:1.6px solid #4f9e2c;transform:rotate(-45deg);
}
.stats-panel{
  position:relative;overflow:hidden;border-radius:18px;padding:42px 40px;color:#fff;
  background:linear-gradient(150deg,#0d2b57,#1c5aa8 62%,#2b74c8);
  box-shadow:var(--shadow-lg);
}
.stats-panel svg.panel-ring{position:absolute;right:-110px;bottom:-110px;width:340px;height:340px;opacity:.5}
.stat{position:relative;z-index:2;display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.stat:last-child{border-bottom:0;padding-bottom:6px}
.stat:first-child{padding-top:6px}
.stat-num{font-size:30px;font-weight:700;color:#9bdb72;min-width:104px;letter-spacing:.01em}
.stat-label strong{display:block;font-size:16px;font-weight:600}
.stat-label span{font-size:13px;color:rgba(255,255,255,.65)}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:26px 26px 28px;box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.news-tag{font-size:12px;color:var(--blue-500);background:#e8f1fd;padding:3px 10px;border-radius:20px;white-space:nowrap}
.news-date{font-size:12.5px;color:var(--muted)}
.news-card h3{font-size:16.5px;line-height:1.6;color:var(--ink);margin:0 0 12px}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0}
.news-more{text-align:center;margin-top:44px}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,#0c2a53,#1a4f96 62%,#2264b4)}
.cta-band:before{
  content:"";position:absolute;right:-120px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(108,190,69,.35),transparent 65%);
}
.cta-band:after{
  content:"";position:absolute;left:-80px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 60% 40%,rgba(63,143,217,.4),transparent 65%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0}
.cta-title{font-size:30px;margin:0 0 12px;font-weight:700}
.cta-text{color:rgba(255,255,255,.78);margin:0;font-size:15px;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-900);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;padding:64px 0 8px}
.footer-logo{display:inline-flex;background:#fff;border-radius:12px;padding:8px;margin-bottom:20px}
.footer-logo img{height:54px;width:54px;border-radius:6px}
.footer-name{font-size:16px;font-weight:600;margin:0 0 14px;color:#fff}
.footer-about{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.9;margin:0 0 16px}
.footer-line{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-line svg{width:15px;height:15px;flex-shrink:0;margin-top:4px;opacity:.8}
.footer-col h4{font-size:15px;color:#fff;margin:6px 0 18px;font-weight:600}
.footer-col a{display:block;color:rgba(255,255,255,.66);font-size:14px;padding:6px 0;transition:all .2s}
.footer-col a:hover{color:#9bdb72;transform:translateX(3px)}
.footer-contact-phone{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:600;color:#fff;margin-bottom:12px}
.footer-contact-phone svg{width:17px;height:17px;color:#9bdb72}
.footer-note{font-size:13px;color:rgba(255,255,255,.55);line-height:1.9}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 0;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 内页 Banner ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(130deg,#0a2144,#123463 45%,#194b8e)}
.page-hero:before{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(63,143,217,.42),transparent 68%);
}
.page-hero:after{
  content:"";position:absolute;left:-60px;bottom:-200px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at 55% 45%,rgba(108,190,69,.22),transparent 65%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 56px}
.page-title{font-size:38px;font-weight:700;margin:0 0 6px}
.page-title:after{content:"";display:block;width:44px;height:3px;border-radius:2px;margin-top:16px;background:var(--grad-accent)}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.66);margin-top:18px}
.breadcrumb a{color:rgba(255,255,255,.66);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}

/* ---------- 关于页 ---------- */
.profile-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.profile-text p{font-size:15px;line-height:2;color:var(--text);margin:0 0 16px}
.profile-text .section-title{margin-bottom:22px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 32px;box-shadow:var(--shadow-sm)}
.info-card h3{font-size:17px;color:var(--ink);margin:0 0 16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.info-row{display:flex;gap:16px;padding:10px 0;font-size:14.5px}
.info-row dt{color:var(--muted);min-width:88px;flex-shrink:0}
.info-row dd{margin:0;color:var(--ink);line-height:1.7}
.founder-card{
  display:flex;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:36px;box-shadow:var(--shadow-sm);
}
.founder-avatar{
  width:104px;height:104px;border-radius:50%;flex-shrink:0;color:#fff;
  background:linear-gradient(135deg,#2b74c8,#57ab2f);
  display:flex;align-items:center;justify-content:center;font-size:42px;font-weight:600;
  box-shadow:0 12px 30px rgba(28,90,168,.28);
}
.founder-info h3{font-size:21px;color:var(--ink);margin:0 0 6px}
.founder-role{color:var(--blue-500);font-size:14px;font-weight:600;margin:0 0 12px}
.founder-info p{margin:0;color:var(--text);line-height:1.9;font-size:14.5px}
.timeline{margin-top:8px;padding-left:6px}
.tl-item{position:relative;margin-left:8px;padding:0 0 38px 40px;border-left:2px solid var(--line)}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0}
.tl-item:before{
  content:"";position:absolute;left:-9px;top:2px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--green-500);box-shadow:0 0 0 4px #eaf6e2;
}
.tl-year{font-size:15px;font-weight:700;color:var(--blue-600);margin:0 0 6px}
.tl-item h3{font-size:16.5px;color:var(--ink);margin:0 0 8px;font-weight:600}
.tl-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.culture-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 30px;
  box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.culture-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.culture-icon{
  width:56px;height:56px;border-radius:14px;margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8f1fd,#eaf6e2);color:var(--blue-500);
}
.culture-icon svg{width:27px;height:27px}
.culture-card h3{font-size:17px;color:var(--ink);margin:0 0 10px}
.culture-card p{font-size:14px;color:var(--muted);line-height:1.9;margin:0}

/* ---------- 产品页 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:30px 26px;box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.prod-icon{
  width:62px;height:62px;border-radius:14px;margin-bottom:22px;color:#fff;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1c5aa8,#0d2b57);
}
.prod-card:nth-child(2) .prod-icon{background:linear-gradient(135deg,#57ab2f,#8ad061)}
.prod-card:nth-child(3) .prod-icon{background:linear-gradient(135deg,#2b74c8,#3fa4e8)}
.prod-card:nth-child(4) .prod-icon{background:linear-gradient(135deg,#0e2b57,#2b74c8 60%,#57ab2f)}
.prod-icon svg{width:29px;height:29px}
.prod-card h3{font-size:17.5px;color:var(--ink);margin:0 0 12px}
.prod-card p{font-size:13.8px;color:var(--text);line-height:1.85;margin:0 0 20px}
.prod-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{font-size:12.5px;color:var(--blue-500);background:#eef5fd;border:1px solid #d9e8fa;border-radius:20px;padding:4px 12px}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:46px;margin-top:14px}
.flow-step{position:relative;text-align:center;padding:0 4px}
.flow-step:not(:last-child):after{
  content:"";position:absolute;top:28px;left:calc(50% + 42px);width:calc(100% - 38px);
  border-top:2px dashed #c9dcf1;
}
.flow-num{
  position:relative;z-index:2;width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#2b74c8,#1c5aa8);box-shadow:0 10px 24px rgba(28,90,168,.25);
}
.flow-step:nth-child(2) .flow-num{background:linear-gradient(135deg,#3f8fd9,#2b74c8)}
.flow-step:nth-child(3) .flow-num{background:linear-gradient(135deg,#57ab2f,#8ad061)}
.flow-step:nth-child(4) .flow-num{background:linear-gradient(135deg,#8ad061,#3f8fd9)}
.flow-step h3{font-size:16.5px;color:var(--ink);margin:0 0 10px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- 解决方案页 ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;
  box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.sol-icon{
  width:58px;height:58px;border-radius:14px;margin-bottom:22px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e8f1fd,#eaf6e2);color:var(--blue-500);transition:all .3s ease;
}
.sol-card:hover .sol-icon{background:linear-gradient(135deg,#2b74c8,#57ab2f);color:#fff}
.sol-icon svg{width:28px;height:28px}
.sol-card h3{font-size:18px;color:var(--ink);margin:0 0 12px}
.sol-card p{font-size:14px;color:var(--text);line-height:1.9;margin:0}

/* ---------- 新闻页 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:136px 1fr;gap:30px;
  padding:32px 10px;border-bottom:1px solid var(--line);transition:background .25s;
}
.news-item:hover{background:#f8fbff}
.nd-day{font-size:32px;font-weight:700;color:var(--blue-600);line-height:1}
.nd-ym{font-size:13px;color:var(--muted);margin-top:8px}
.news-item-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.news-item h3{font-size:18px;color:var(--ink);margin:0 0 10px}
.news-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.contact-col{display:grid;gap:22px}
.contact-card{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:28px;box-shadow:var(--shadow-sm);
}
.contact-icon{
  width:52px;height:52px;border-radius:12px;flex-shrink:0;color:var(--blue-500);
  background:linear-gradient(135deg,#e8f1fd,#eaf6e2);
  display:flex;align-items:center;justify-content:center;
}
.contact-icon svg{width:24px;height:24px}
.contact-card h3{font-size:16px;color:var(--ink);margin:0 0 8px}
.contact-strong{font-size:22px;font-weight:700;color:var(--blue-600);letter-spacing:.02em}
.contact-strong a{color:inherit}
.contact-address{font-size:15px;color:var(--ink);line-height:1.8}
.contact-note{font-size:13.5px;color:var(--muted);margin:8px 0 0;line-height:1.85}
.copy-btn{
  margin-top:14px;border:1px solid #cfe0f2;background:#f4f8fc;color:var(--blue-500);
  font-size:13px;padding:8px 18px;border-radius:8px;cursor:pointer;transition:all .2s;
}
.copy-btn:hover{background:#e8f1fd}
.copy-btn.copied{background:#eaf6e2;border-color:#bfe3a8;color:#4f9e2c}
.map-panel{
  position:relative;overflow:hidden;min-height:430px;border-radius:16px;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  text-align:center;padding:44px 36px;
  background:
    radial-gradient(420px 320px at 78% 12%,rgba(63,143,217,.16),transparent 65%),
    radial-gradient(360px 300px at 12% 88%,rgba(108,190,69,.14),transparent 65%),
    linear-gradient(150deg,#eef5fd,#f8fbff);
}
.map-panel:before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(43,116,200,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(43,116,200,.07) 1px,transparent 1px);
  background-size:38px 38px;
}
.map-inner{position:relative;z-index:2;max-width:320px}
.map-pin-wrap{position:relative;width:86px;height:86px;margin:0 auto 22px}
.map-pin-wrap:before,.map-pin-wrap:after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid rgba(43,116,200,.35);animation:pinPulse 2.6s ease-out infinite;
}
.map-pin-wrap:after{animation-delay:1.3s}
.map-pin{
  position:absolute;inset:0;margin:auto;width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,#2b74c8,#1c5aa8);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(28,90,168,.32);
}
.map-pin svg{width:26px;height:26px}
@keyframes pinPulse{
  0%{transform:scale(.42);opacity:.9}
  70%{transform:scale(1);opacity:0}
  100%{transform:scale(1);opacity:0}
}
.map-inner h3{font-size:18px;color:var(--ink);margin:0 0 10px}
.map-inner p{font-size:14px;color:var(--text);line-height:1.9;margin:0 0 6px}
.map-inner .map-tip{font-size:12.5px;color:var(--muted);margin:0}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-arrow{display:none}
}
@media (max-width:1024px){
  .topbar-left{display:none}
  .nav{
    position:fixed;top:0;right:-320px;z-index:1002;width:300px;height:100vh;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:92px 30px 40px;margin:0;
    box-shadow:-14px 0 40px rgba(15,42,87,.18);transition:right .32s ease;
  }
  body.nav-open .nav{right:0}
  .nav a{padding:15px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav a.active:after{left:4px;transform:none;bottom:12px;width:18px;height:2.5px}
  .nav-overlay{
    display:block;position:fixed;inset:0;z-index:1001;background:rgba(8,29,61,.45);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;
  }
  body.nav-open .nav-overlay{opacity:1;visibility:visible}
  .nav-toggle{display:flex}
  .navbar-cta{margin-left:auto}
  .hotline{border-left:0;padding-left:0}
  .hero-inner{padding:76px 0 108px}
  .hero-title{font-size:38px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .apps-grid{grid-template-columns:repeat(3,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:38px 30px}
  .flow-step:not(:last-child):after{display:none}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .profile-grid{grid-template-columns:1fr;gap:34px}
  .culture-grid{grid-template-columns:1fr;gap:18px}
}
@media (max-width:768px){
  .topbar{display:none}
  .site-header{top:0}
  .navbar-inner{height:68px}
  .brand img{height:38px}
  .hotline-text{display:none}
  .hotline{padding-left:0}
  .section{padding:64px 0}
  .section-title{font-size:27px}
  .hero-inner{padding:64px 0 96px}
  .hero-title{font-size:31px}
  .hero-text{font-size:15.5px}
  .hero-dots{bottom:26px}
  .product-grid{grid-template-columns:1fr}
  .pc-visual{height:170px}
  .news-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:54px 0}
  .cta-title{font-size:24px}
  .page-hero-inner{padding:52px 0 46px}
  .page-title{font-size:30px}
  .news-item{grid-template-columns:1fr;gap:14px}
  .founder-card{flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-top:52px}
  .footer-bottom-inner{justify-content:center;text-align:center}
}
@media (max-width:560px){
  .feature-grid{grid-template-columns:1fr}
  .apps-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
}