@charset "UTF-8";
/* rx-control.com — 配色方案 2 科技蓝 */
:root{
  --c-primary:#003366;
  --c-accent:#0099CC;
  --c-highlight:#00CC66;
  --c-light:#CCFFFF;
  --c-white:#FFFFFF;
  --c-dark:#000033;
  --shadow:0 6px 20px rgba(0,51,102,.12);
  --radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--c-white);color:var(--c-dark);
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.8;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0 0 .6em;line-height:1.35}
p{margin:0 0 1em}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.center{text-align:center;margin-top:24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:8px 14px;z-index:99}
.skip-link:focus{left:8px;top:8px}

/* header */
.site-header{background:var(--c-primary);color:var(--c-white);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-white)}
.logo:hover{color:var(--c-light)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:8px;background:var(--c-accent);color:#fff;font-size:22px;font-weight:700;flex:0 0 auto}
.logo-text{font-size:17px;font-weight:700;line-height:1.25;display:flex;flex-direction:column}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:.5px;color:var(--c-light);font-weight:400}
.main-nav ul{display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{display:block;color:var(--c-white);padding:10px 14px;border-radius:6px;font-size:15px}
.main-nav a:hover{background:var(--c-accent)}
.main-nav a.active{background:var(--c-highlight);color:var(--c-dark);font-weight:700}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:20px;border-radius:6px;padding:4px 12px;cursor:pointer}

/* hero */
.hero{position:relative;background:var(--c-primary);color:var(--c-white);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-inner{position:relative;padding:76px 16px 84px;max-width:1200px}
.hero-tag{display:inline-block;background:rgba(0,204,102,.9);color:var(--c-dark);font-size:13px;font-weight:700;padding:5px 14px;border-radius:20px;margin-bottom:14px}
.hero h1{font-size:34px;color:var(--c-white);text-shadow:0 2px 10px rgba(0,0,0,.35)}
.hero-sub{max-width:760px;font-size:16px;color:#E8F8FF}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;padding:11px 26px;border-radius:26px;font-size:15px;font-weight:700;border:2px solid transparent;cursor:pointer;transition:all .25s ease}
.btn-primary{background:var(--c-highlight);color:var(--c-dark);border-color:var(--c-highlight)}
.btn-primary:hover{background:#00b85c;color:var(--c-dark)}
.btn-ghost{background:transparent;color:var(--c-white);border-color:var(--c-light)}
.btn-ghost:hover{background:var(--c-light);color:var(--c-primary)}
.btn-line{border-color:var(--c-accent);color:var(--c-primary);background:var(--c-white)}
.btn-line:hover{background:var(--c-accent);color:#fff}
.btn-sm{padding:8px 18px;font-size:14px}

/* blocks */
.block{padding:56px 0}
.block-title{font-size:26px;color:var(--c-primary);text-align:center;position:relative;padding-bottom:16px;margin-bottom:34px}
.block-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:64px;height:4px;border-radius:2px;background:var(--c-highlight)}
.block-title.left{text-align:left}
.block-title.left::after{left:0;transform:none}
.block-title.light{color:var(--c-white)}

/* grids */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv{background:var(--c-white);border:1px solid var(--c-light);border-top:4px solid var(--c-accent);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.adv:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(0,51,102,.18)}
.adv h3{font-size:18px;color:var(--c-primary)}

/* cards */
.card{background:var(--c-white);border:1px solid #DCF1F8;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(0,51,102,.18)}
.card-pic{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--c-light)}
.card-pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-pic img{transform:scale(1.06)}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-num{font-size:12px;color:var(--c-accent);font-weight:700;letter-spacing:2px;margin:0 0 4px}
.card-title{font-size:17px;margin:0 0 6px}
.card-title a{color:var(--c-primary)}
.card-title a:hover{color:var(--c-accent)}
.card-meta{font-size:13px;color:#5B7C99;margin:0 0 8px}
.card-sum{font-size:14px;color:#35506B;margin:0 0 14px;flex:1}
.more{font-size:14px;font-weight:700;color:var(--c-accent)}
.more:hover{color:var(--c-highlight)}

/* band */
.band{background:var(--c-primary);color:var(--c-white);padding:54px 0}
.band .block-title{color:#fff}
.band-cta{background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.shot{margin:0;background:rgba(255,255,255,.08);border-radius:var(--radius);overflow:hidden}
.shot a{display:block;aspect-ratio:4/3;overflow:hidden}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{padding:10px 14px;font-size:14px;color:var(--c-light)}
.cta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-btn{margin:0}

/* about brief */
.two-col{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:center}
.col-pic img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 22px}
.stats li{background:var(--c-light);border-radius:8px;padding:12px 8px;text-align:center}
.stats strong{display:block;font-size:20px;color:var(--c-primary)}
.stats span{font-size:12px;color:#2A5A7A}

/* page head */
.page-head{background:linear-gradient(135deg,var(--c-primary),#00507F);color:var(--c-white);padding:34px 0 40px}
.page-head h1{font-size:30px;color:#fff;margin:14px 0 10px}
.page-head .lead{color:#D6F2FF;margin:0;max-width:760px}
.page-head-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:center}
.page-head-pic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:0 10px 26px rgba(0,0,0,.28)}
.breadcrumb{font-size:13px;color:var(--c-light)}
.breadcrumb a{color:var(--c-light)}
.breadcrumb a:hover{color:var(--c-highlight)}

/* filter */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--c-light);border-radius:var(--radius);padding:14px 18px;margin-bottom:26px}
.filter-bar label{font-size:14px;color:var(--c-primary);font-weight:700}
.filter-bar input{flex:1;min-width:200px;padding:9px 14px;border:1px solid #9ED8EC;border-radius:22px;font-size:14px;font-family:inherit}
.filter-bar input:focus{outline:2px solid var(--c-accent);outline-offset:1px}
.filter-count{font-size:13px;color:#2A5A7A}
.empty-tip{text-align:center;color:#5B7C99;padding:30px 0}

/* article */
.article-wrap{padding:28px 0 56px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article{background:var(--c-white);border:1px solid #E1F2F8;border-radius:var(--radius);padding:26px 28px 30px;box-shadow:var(--shadow)}
.article h1{font-size:27px;color:var(--c-primary)}
.meta{font-size:13px;color:#5B7C99;border-bottom:1px dashed #C9E7F2;padding-bottom:12px}
.art-pic{margin:0 0 20px;border-radius:var(--radius);overflow:hidden}
.art-pic img{width:100%;aspect-ratio:16/10;object-fit:cover}
.lead{font-size:16px;background:var(--c-light);border-left:4px solid var(--c-accent);border-radius:0 8px 8px 0;padding:14px 18px;color:#123}
.art-sec{margin-top:30px}
.art-sec h2{font-size:20px;color:var(--c-primary);border-left:5px solid var(--c-highlight);padding-left:12px}
.art-sec p{color:#22364A}
.tick li{position:relative;padding-left:22px;margin-bottom:10px;color:#22364A}
.tick li::before{content:"✔";position:absolute;left:0;top:0;color:var(--c-highlight);font-weight:700}
.rel-list li{margin-bottom:8px}
.rel-list a{font-size:15px}
.rel-list a::before{content:"· ";color:var(--c-accent)}
.back{margin-top:20px}
.info-list li{padding:9px 0;border-bottom:1px dashed #D7EBF4;font-size:15px}
.info-list.big li{font-size:16px}
.note{font-size:13px;color:#5B7C99;background:#F3FBFE;border-radius:8px;padding:10px 14px}
.map-sketch{background:#F3FBFE;border:1px dashed #9ED8EC;border-radius:var(--radius);padding:16px 18px}
.ms-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#22364A;padding:6px 0}
.ms-dot{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-accent);color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}

/* form */
.contact-form{max-width:640px}
.form-row{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.form-row label{font-size:14px;font-weight:700;color:var(--c-primary)}
.form-row input,.form-row select,.form-row textarea{padding:10px 14px;border:1px solid #9ED8EC;border-radius:8px;font-size:15px;font-family:inherit;background:#FBFEFF}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:2px solid var(--c-accent);outline-offset:1px}
.form-row .btn{align-self:flex-start}

/* aside */
.side{display:flex;flex-direction:column;gap:20px}
.side-box{background:var(--c-white);border:1px solid #E1F2F8;border-top:4px solid var(--c-accent);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.side-title{font-size:17px;color:var(--c-primary);margin-bottom:12px}
.side-list li{margin-bottom:8px;font-size:14px}
.side-list a::before{content:"› ";color:var(--c-highlight);font-weight:700}

/* footer */
.site-footer{background:var(--c-dark);color:#C9DDEA;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:30px;padding:44px 16px 30px}
.f-title{font-size:16px;color:var(--c-white);margin-bottom:12px}
.footer-grid p{font-size:14px;margin:0 0 8px}
.footer-grid a{color:#C9DDEA}
.footer-grid a:hover{color:var(--c-highlight)}
.f-nav li{margin-bottom:7px;font-size:14px}
.copyright{border-top:1px solid rgba(255,255,255,.15);padding:16px;text-align:center;font-size:13px;color:#9FB8CC}
.copyright p{margin:0}

/* to top */
.to-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;border:none;background:var(--c-accent);color:#fff;font-size:20px;cursor:pointer;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary)}

/* responsive */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .article-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .page-head-grid{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15px}
  .nav-toggle{display:block}
  .main-nav{display:none;width:100%}
  .main-nav.open{display:block}
  .header-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .main-nav ul{flex-direction:column;gap:0;width:100%}
  .main-nav a{padding:12px 6px;border-top:1px solid rgba(255,255,255,.15)}
  .hero-inner{padding:52px 16px 58px}
  .hero h1{font-size:24px}
  .hero-sub{font-size:15px}
  .block{padding:38px 0}
  .block-title{font-size:22px}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .article{padding:20px 16px 24px}
  .article h1{font-size:22px}
  .page-head h1{font-size:23px}
  .cta{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .logo-text{font-size:15px}
}