/* 爱搜索123 · 科技风官网样式 */
:root{
  --primary:#10B981;
  --primary-bright:#34d399;
  --bg:#0b1020;
  --bg-2:#0d1428;
  --card:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --text:#c9d1e0;
  --text-strong:#eef2fa;
  --muted:#8a93a8;
  --radius:12px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --grad:linear-gradient(120deg,#10B981,#34d399);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font:16px/1.7 "PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
.container.narrow{width:min(760px,92%)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}

/* ============ 顶栏 ============ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,16,32,.75);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-strong);font-size:18px}
.brand img{height:36px;width:36px;border-radius:8px}
.site-nav{display:flex;align-items:center;gap:28px}
.site-nav a{font-size:14.5px;color:var(--text);transition:color .2s}
.site-nav a:hover,.site-nav a.is-active{color:var(--primary-bright)}
.nav-toggle{display:none;background:none;border:0;color:var(--text-strong);cursor:pointer;padding:8px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:8px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:.25s;
}
.btn-primary{background:var(--grad);color:#04140d;box-shadow:0 4px 24px rgba(16,185,129,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(16,185,129,.5)}
.btn-ghost{border-color:rgba(16,185,129,.5);color:var(--primary-bright);background:transparent}
.btn-ghost:hover{background:rgba(16,185,129,.1)}
.btn-sm{padding:8px 18px;font-size:13.5px}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* ============ 通用区块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head.left{margin:0 0 48px;text-align:left}
.eyebrow{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--primary-bright);
  border:1px solid rgba(16,185,129,.35);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
h1,h2,h3{color:var(--text-strong);line-height:1.25}
h1{font-size:clamp(34px,4.6vw,56px);font-weight:700}
h2{font-size:clamp(26px,3vw,38px);font-weight:700}
h3{font-size:19px}
.section-head p{margin-top:14px;color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 网格背景 & 光晕 */
.grid-bg{
  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:48px 48px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 40%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 40%,transparent 100%);
  position:absolute;inset:0;pointer-events:none;
}
.glow{
  position:absolute;width:640px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,185,129,.22),transparent 65%);
  filter:blur(40px);pointer-events:none;animation:drift 12s ease-in-out infinite alternate;
}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(60px,40px)}}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:190px 0 110px}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero-lead{margin:22px 0 34px;font-size:17px;max-width:540px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.tag{font-family:var(--mono);font-size:12px;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{border-radius:16px;border:1px solid var(--line);box-shadow:0 24px 80px rgba(0,0,0,.5);aspect-ratio:1;object-fit:cover;width:100%}
.hero-media::after{
  content:"";position:absolute;inset:-1px;border-radius:16px;pointer-events:none;
  background:linear-gradient(200deg,rgba(16,185,129,.25),transparent 45%);
}

/* 页眉横幅（子页） */
.page-hero{position:relative;overflow:hidden;padding:170px 0 80px}
.page-hero .glow{top:-140px;right:0}
.page-hero-inner{position:relative;z-index:1}
.page-hero p{margin-top:16px;max-width:640px;color:var(--muted);font-size:16.5px}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:var(--card)}
.stat b{display:block;font-family:var(--mono);font-size:38px;font-weight:700;color:var(--primary-bright)}
.stat span{font-size:14px;color:var(--muted)}

/* ============ 卡片 ============ */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:border-color .25s,box-shadow .25s,transform .25s;
}
.card:hover{border-color:rgba(16,185,129,.6);box-shadow:0 0 32px rgba(16,185,129,.12);transform:translateY(-4px)}
.card .icon{
  width:44px;height:44px;border-radius:10px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.25);color:var(--primary-bright);
}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}

/* 产品卡（带图） */
.product-card{overflow:hidden;padding:0;display:flex;flex-direction:column}
.product-card .card-media{aspect-ratio:16/9;overflow:hidden}
.product-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.product-card:hover .card-media img{transform:scale(1.05)}
.product-card .card-body{padding:24px}
.product-card .idx{font-family:var(--mono);font-size:12px;color:var(--primary-bright);letter-spacing:.12em}

/* ============ 序号列表 ============ */
.adv-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.adv-item{display:flex;gap:18px;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;background:var(--card);transition:border-color .25s}
.adv-item:hover{border-color:rgba(16,185,129,.5)}
.adv-item .no{font-family:var(--mono);color:var(--primary-bright);font-weight:700;font-size:15px;flex-shrink:0}
.adv-item p{font-size:15px;color:var(--text)}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;counter-increment:step}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--mono);font-size:26px;font-weight:700;color:var(--primary-bright);display:block;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--muted)}
@media(min-width:881px){
  .step::after{content:"";position:absolute;top:36px;right:-17px;width:17px;height:1px;background:rgba(16,185,129,.4)}
  .step:last-child::after{display:none}
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:16px;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.4);aspect-ratio:1;object-fit:cover}
.check-list{list-style:none;margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.check-list svg{flex-shrink:0;margin-top:4px;color:var(--primary-bright)}

/* ============ 新闻卡 ============ */
.news-card{padding:0;overflow:hidden}
.news-card a{display:block}
.news-card .card-media{aspect-ratio:16/9;overflow:hidden;background:#111a30}
.news-card .card-media img{width:100%;height:100%;object-fit:cover}
.news-card .card-body{padding:24px}
.news-card time{font-family:var(--mono);font-size:12px;color:var(--primary-bright)}
.news-card h3{margin:8px 0;font-size:17px}
.news-more{text-align:center;margin-top:40px}

/* ============ 资质 ============ */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cert{display:flex;align-items:center;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;background:var(--card)}
.cert svg{color:var(--primary-bright);flex-shrink:0}
.cert .lab{font-family:var(--mono);font-size:11.5px;color:var(--primary-bright);letter-spacing:.1em}
.cert .val{font-size:14.5px;color:var(--text-strong)}

/* ============ 表格（服务模式） ============ */
.mode-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.mode{border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;background:var(--card);text-align:center;transition:border-color .25s}
.mode:hover{border-color:rgba(16,185,129,.6)}
.mode b{display:block;font-family:var(--mono);color:var(--primary-bright);margin-bottom:8px;font-size:13px}
.mode p{font-size:14px;color:var(--text)}

/* ============ 表单 ============ */
.form{display:grid;gap:18px}
.form label{display:grid;gap:8px;font-size:14px;color:var(--text)}
.form input,.form textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;
  padding:12px 16px;color:var(--text-strong);font:inherit;font-size:15px;outline:none;transition:border-color .2s;
  width:100%;resize:vertical;
}
.form input:focus,.form textarea:focus{border-color:var(--primary)}
.form-msg{font-size:14px;min-height:22px}

/* ============ 联系信息卡 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.contact-item{display:flex;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--card)}
.contact-item .icon{width:40px;height:40px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.25);color:var(--primary-bright)}
.contact-item h3{font-size:15px;margin-bottom:4px}
.contact-item p,.contact-item a{font-size:15px;color:var(--muted)}
.contact-item a:hover{color:var(--primary-bright)}

/* ============ CTA 条 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band .inner{position:relative;z-index:1;text-align:center;padding:80px 0}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--muted);margin-bottom:30px}
.cta-band .glow{top:-100px;left:50%;margin-left:-320px}

/* ============ 页脚 ============ */
.site-footer{background:#080d1a;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand img{height:36px;width:36px;border-radius:8px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px}
.site-footer h4{color:var(--text-strong);font-size:15px;margin-bottom:16px}
.footer-links{display:grid;gap:10px;align-content:start}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary-bright)}
.footer-contact{font-style:normal;display:grid;gap:10px}
.footer-contact p,.footer-contact a{font-size:14px;color:var(--muted)}
.footer-contact a:hover{color:var(--primary-bright)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:var(--muted)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .mode-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:880px){
  .section{padding:64px 0}
  .hero{padding:150px 0 80px}
  .hero-inner,.split{grid-template-columns:1fr}
  .hero-media{order:-1}
  .grid-3,.grid-2,.stats,.adv-list,.cert-grid,.contact-grid{grid-template-columns:1fr}
  .steps,.mode-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .site-nav{
    position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,16,32,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
    padding:12px 4%;display:none;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:12px 8px;border-top:1px solid var(--line)}
  .site-nav a.btn{border:1px solid transparent;margin:12px 8px;justify-content:center}
}