/* ====================================
   陕西瑞泉水处理 - 净化水设备营销网站
   主题：简约大气 · 工业科技感
   ==================================== */

/* ---------- 基础重置与变量 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans CN","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.7;
  color:#1f2a37;
  background:#fff;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
:root{
  --c-primary:#0B3D5C;
  --c-primary-dark:#082c43;
  --c-accent:#16A5A5;
  --c-accent-light:#1ec0c0;
  --c-orange:#FF8A3D;
  --c-orange-dark:#f17523;
  --c-text:#1f2a37;
  --c-text-soft:#5a6573;
  --c-text-mute:#8a93a3;
  --c-border:#e6ebf0;
  --c-bg:#ffffff;
  --c-bg-alt:#f5f7fa;
  --c-bg-dark:#0B3D5C;
  --c-shadow:0 8px 24px rgba(11,61,92,.08);
  --c-shadow-lg:0 16px 48px rgba(11,61,92,.12);
  --radius:6px;
  --container:1240px;
}

/* ---------- 通用容器 ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  font-size:15px;font-weight:500;
  border-radius:var(--radius);
  transition:all .25s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--c-orange);color:#fff}
.btn--primary:hover{background:var(--c-orange-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,138,61,.32)}
.btn--ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--outline{border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn--outline:hover{background:var(--c-primary);color:#fff}

/* ---------- 顶部联系条 ---------- */
.topbar{
  background:#082c43;
  color:#cbd5e1;
  font-size:13px;
}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:36px;flex-wrap:wrap;gap:8px}
.topbar__right{display:flex;gap:18px;flex-wrap:wrap}
.topbar__item{display:inline-flex;align-items:center;gap:6px;color:#cbd5e1;transition:color .2s}
.topbar__item:hover{color:#fff}

/* ---------- 导航 + Banner 一体化 ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .3s;
}
.header.is-scrolled{box-shadow:0 4px 20px rgba(11,61,92,.08)}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:80px;gap:30px;
}
.logo{
  display:inline-flex;align-items:center;gap:0;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.5px;
  flex-shrink:0;
}
.logo__brand{
  font-size:30px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:800;
}
.logo__divider{
  font-size:30px;
  font-weight:300;
  color:#c2ccd6;
  margin:0 14px;
  -webkit-text-fill-color:#c2ccd6;
}
.logo__sub{
  font-size:18px;
  font-weight:600;
  color:var(--c-text-soft);
  letter-spacing:1px;
}
.nav{flex:1;display:flex;justify-content:flex-end}
.nav__list{display:flex;gap:6px}
.nav__list a{
  display:block;
  padding:10px 16px;
  font-size:15px;font-weight:500;
  color:var(--c-text);
  position:relative;
  border-radius:4px;
  transition:color .2s,background .2s;
}
.nav__list a:hover{color:var(--c-accent)}
.nav__list a::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;background:var(--c-accent);
  transition:all .25s;transform:translateX(-50%);
}
.nav__list a:hover::after{width:60%}
.nav__toggle{
  display:none;flex-direction:column;gap:5px;padding:8px;
}
.nav__toggle span{
  display:block;width:24px;height:2px;background:var(--c-primary);
  transition:transform .3s,opacity .3s;
}
.nav__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero Banner ---------- */
.hero{position:relative;overflow:hidden;min-height:520px;background:linear-gradient(135deg,#0B3D5C 0%,#16A5A5 100%)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.08) 0,transparent 50%),
    radial-gradient(circle at 80% 70%,rgba(22,165,165,.3) 0,transparent 50%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.02) 0 2px,transparent 2px 20px);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-100px;top:50%;transform:translateY(-50%);
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,165,165,.18) 0,transparent 60%);
  pointer-events:none;
}
.hero__slider{position:relative;width:100%;height:520px;z-index:1}
.hero__slide{
  position:absolute;inset:0;
  display:flex;align-items:center;
  opacity:0;visibility:hidden;
  transition:opacity .6s ease,visibility .6s;
  z-index:1;
}
.hero__slide:nth-child(1){background:linear-gradient(135deg,#0B3D5C 0%,#16A5A5 100%)}
.hero__slide:nth-child(2){background:linear-gradient(135deg,#0e4a72 0%,#1d7a8c 100%)}
.hero__slide:nth-child(3){background:linear-gradient(135deg,#0a3552 0%,#2a8e9e 100%)}
.hero__slide:nth-child(4){background:linear-gradient(135deg,#0c4060 0%,#1a98a0 100%)}
.hero__slide:nth-child(5){background:linear-gradient(135deg,#093750 0%,#16A5A5 100%)}
.hero__slide.is-active{opacity:1;visibility:visible;z-index:2}
.hero__content{position:relative;max-width:780px;color:#fff;width:100%;padding:60px 0}
.hero__slide .hero__eyebrow,
.hero__slide .hero__title,
.hero__slide .hero__desc,
.hero__slide .hero__cta{
  opacity:1;transform:none;
}
.hero__eyebrow{
  display:inline-block;
  font-size:14px;font-weight:500;letter-spacing:3px;
  padding:6px 14px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:30px;
  margin-bottom:20px;
}
.hero__title{
  font-size:48px;font-weight:700;line-height:1.25;
  margin-bottom:18px;
}
.hero__desc{
  font-size:17px;line-height:1.7;
  color:rgba(255,255,255,.88);
  margin-bottom:32px;
}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__dots{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);
  display:flex;gap:10px;z-index:3;
}
.hero__dots button{
  width:36px;height:4px;border-radius:2px;
  background:rgba(255,255,255,.4);
  transition:background .3s,width .3s;
}
.hero__dots button.is-active{background:#fff;width:50px}
.hero__arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.18);
  color:#fff;font-size:30px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  z-index:3;backdrop-filter:blur(8px);
  transition:background .25s;
}
.hero__arrow:hover{background:rgba(255,255,255,.32)}
.hero__arrow--prev{left:30px}
.hero__arrow--next{right:30px}

/* ---------- 核心指标 ---------- */
.metrics{
  background:#fff;
  border-bottom:1px solid var(--c-border);
}
.metrics__grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:48px 0;gap:20px;
}
.metric{
  display:flex;flex-direction:column;align-items:center;
  text-align:center;position:relative;
}
.metric::after{
  content:"";position:absolute;right:0;top:20%;height:60%;
  width:1px;background:var(--c-border);
}
.metric:last-child::after{display:none}
.metric__num{
  font-size:48px;font-weight:800;
  color:var(--c-primary);
  line-height:1;
  font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
.metric__suffix{font-size:18px;color:var(--c-accent);font-weight:600;margin-top:4px}
.metric__label{font-size:14px;color:var(--c-text-soft);margin-top:10px;letter-spacing:1px}

/* ---------- 通用 section ---------- */
.section{padding:90px 0}
.section--alt{background:var(--c-bg-alt)}
.section--dark{background:linear-gradient(135deg,#082c43 0%,#0B3D5C 100%);color:#fff}
.section__head{text-align:center;margin-bottom:60px;max-width:780px;margin-left:auto;margin-right:auto}
.section__eyebrow{
  font-size:13px;font-weight:600;letter-spacing:3px;
  color:var(--c-accent);
  margin-bottom:12px;
  text-transform:uppercase;
}
.section--dark .section__eyebrow{color:#1ec0c0}
.section__title{
  font-size:36px;font-weight:700;
  color:var(--c-primary);
  line-height:1.3;
  margin-bottom:14px;
  position:relative;display:inline-block;
}
.section--dark .section__title{color:#fff}
.section__title::after{
  content:"";display:block;width:50px;height:3px;background:var(--c-orange);
  margin:18px auto 0;border-radius:2px;
}
.section__desc{font-size:16px;color:var(--c-text-soft);line-height:1.8}
.section--dark .section__desc{color:rgba(255,255,255,.78)}

/* ---------- 产品分类筛选 ---------- */
.filter{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:8px;margin-bottom:48px;
}
.filter__btn{
  padding:10px 20px;
  font-size:14px;font-weight:500;
  color:var(--c-text-soft);
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:30px;
  transition:all .2s;
}
.filter__btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.filter__btn.is-active{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
}

/* ---------- 产品网格 ---------- */
.products{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.product{
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--c-border);
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.product:hover{
  transform:translateY(-6px);
  box-shadow:var(--c-shadow-lg);
  border-color:transparent;
}
.product__img{
  position:relative;width:100%;aspect-ratio:4/3;
  overflow:hidden;background:#eef2f5;cursor:zoom-in;
}
.product__img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s;
}
.product:hover .product__img img{transform:scale(1.06)}
.product__cat{
  position:absolute;left:12px;top:12px;
  font-size:12px;padding:4px 10px;
  background:rgba(11,61,92,.85);color:#fff;
  border-radius:3px;backdrop-filter:blur(4px);
}
.product__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.product__title{
  font-size:15px;font-weight:600;color:var(--c-text);
  line-height:1.5;min-height:45px;
}
.product__desc{
  font-size:13px;color:var(--c-text-soft);
  line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;
  overflow:hidden;
}
.product__action{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:8px;padding-top:12px;border-top:1px dashed var(--c-border);
}
.product__action a{font-size:13px;color:var(--c-accent);font-weight:500}
.product__action a:hover{color:var(--c-orange)}
.product.is-hidden{display:none}

/* ---------- 应用场景 ---------- */
.scenarios{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.scenario{
  background:#fff;
  padding:32px 24px;
  border-radius:var(--radius);
  border:1px solid var(--c-border);
  text-align:center;
  transition:all .3s;
}
.scenario:hover{
  transform:translateY(-4px);
  box-shadow:var(--c-shadow);
  border-color:var(--c-accent);
}
.scenario__icon{
  width:64px;height:64px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
}
.scenario h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--c-text)}
.scenario p{font-size:13px;color:var(--c-text-soft);line-height:1.7}

/* ---------- 企业优势 ---------- */
.advantages{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.advantage{
  padding:36px 28px;
  background:#fff;
  border-radius:var(--radius);
  border:1px solid var(--c-border);
  transition:all .3s;
  position:relative;overflow:hidden;
}
.advantage::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:100%;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  transform:scaleY(0);transform-origin:top;transition:transform .3s;
}
.advantage:hover{box-shadow:var(--c-shadow);transform:translateY(-4px)}
.advantage:hover::before{transform:scaleY(1)}
.advantage__icon{
  width:64px;height:64px;border-radius:var(--radius);
  background:var(--c-bg-alt);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.advantage h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--c-text)}
.advantage p{font-size:14px;color:var(--c-text-soft);line-height:1.8}

/* ---------- 行业知识 ---------- */
.news{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news__card{
  background:#fff;
  padding:32px 28px;
  border-radius:var(--radius);
  border:1px solid var(--c-border);
  display:flex;flex-direction:column;gap:12px;
  transition:all .3s;
}
.news__card:hover{box-shadow:var(--c-shadow);transform:translateY(-4px)}
.news__tag{
  align-self:flex-start;
  font-size:12px;font-weight:500;
  color:var(--c-accent);
  padding:4px 10px;background:rgba(22,165,165,.08);
  border-radius:3px;
}
.news__card h3{font-size:18px;font-weight:600;color:var(--c-text);line-height:1.5}
.news__card p{font-size:14px;color:var(--c-text-soft);line-height:1.8;flex:1}
.news__link{font-size:14px;color:var(--c-orange);font-weight:500;transition:transform .2s;align-self:flex-start}
.news__link:hover{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin:0 auto}
.faq__item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq__item:hover{border-color:rgba(22,165,165,.4)}
.faq__item.is-open{box-shadow:var(--c-shadow);border-color:transparent}
.faq__q{
  width:100%;
  display:flex;align-items:center;gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq__num{
  flex-shrink:0;
  width:32px;height:32px;
  border-radius:50%;
  background:var(--c-bg-alt);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  transition:background .2s,color .2s;
}
.faq__item.is-open .faq__num{background:var(--c-accent);color:#fff}
.faq__q-text{flex:1;line-height:1.5}
.faq__plus{
  flex-shrink:0;width:24px;height:24px;
  position:relative;color:var(--c-text-soft);transition:transform .3s;
}
.faq__plus::before,.faq__plus::after{
  content:"";position:absolute;left:50%;top:50%;
  width:14px;height:2px;background:currentColor;
  transform:translate(-50%,-50%);
}
.faq__plus::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .3s}
.faq__item.is-open .faq__plus::after{transform:translate(-50%,-50%) rotate(0)}
.faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq__a-inner{padding:0 24px 22px 74px;font-size:14.5px;color:var(--c-text-soft);line-height:1.85}

/* ---------- 联系我们 ---------- */
.contact{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:8px;
  padding:48px;
  backdrop-filter:blur(8px);
}
.contact__info{display:grid;grid-template-columns:1fr 1fr;gap:24px 30px;align-content:start}
.contact__item{display:flex;flex-direction:column;gap:6px}
.contact__item--hours{grid-column:1/-1}
.contact__label{
  font-size:13px;color:rgba(255,255,255,.55);
  letter-spacing:1px;
}
.contact__value{font-size:16px;color:#fff;font-weight:500;line-height:1.6}
.contact__link{color:#1ec0c0;border-bottom:1px dashed rgba(30,192,192,.4);transition:color .2s,border-color .2s}
.contact__link:hover{color:#fff;border-color:#fff}
.contact__hint{font-size:13px;color:rgba(255,255,255,.55);margin-left:6px}
.contact__qr{display:flex;flex-direction:column;gap:20px;align-items:center;justify-content:center}
.qr{
  background:#fff;
  border-radius:8px;
  padding:18px;
  text-align:center;
  width:100%;max-width:260px;
}
.qr img{width:100%;aspect-ratio:1;object-fit:contain;border-radius:4px}
.qr p{font-size:13px;color:var(--c-text-soft);margin-top:10px;line-height:1.6}
.qr--secondary{background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.18)}
.qr__placeholder{color:rgba(255,255,255,.7);padding:30px 0}
.qr__placeholder p{color:rgba(255,255,255,.7);font-size:13px;margin-top:14px;line-height:1.7}

/* ---------- 友情链接 ---------- */
.friends{
  background:#fff;
  border-top:1px solid var(--c-border);
  padding:48px 0;
}
.friends__title{
  font-size:18px;font-weight:600;
  color:var(--c-primary);
  text-align:center;margin-bottom:24px;
}
.friends__list{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px;
}
.friends__list li a{
  display:inline-block;
  padding:10px 22px;
  font-size:14px;color:var(--c-text-soft);
  background:var(--c-bg-alt);
  border:1px solid var(--c-border);
  border-radius:30px;
  transition:all .2s;
}
.friends__list li a:hover{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
}

/* ---------- 页脚 ---------- */
.footer{background:#082c43;color:#cbd5e1;padding-top:60px}
.footer__inner{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px;
  padding-bottom:50px;
}
.footer__brand{
  font-size:24px;font-weight:800;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent-light) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:14px;
}
.footer__col p{font-size:14px;line-height:1.9;color:rgba(203,213,225,.85)}
.footer__col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:14px}
.footer__col ul li{margin-bottom:8px}
.footer__col ul li a{color:rgba(203,213,225,.75);font-size:14px;transition:color .2s}
.footer__col ul li a:hover{color:#fff}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0;
  font-size:13px;color:rgba(203,213,225,.65);
}
.footer__bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer__bottom a{color:rgba(203,213,225,.85);transition:color .2s}
.footer__bottom a:hover{color:#fff}

/* ---------- 浮动按钮 ---------- */
.floats{
  position:fixed;right:20px;bottom:30px;z-index:80;
  display:flex;flex-direction:column;gap:10px;
}
.floats__btn{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  width:60px;height:60px;border-radius:50%;
  background:var(--c-primary);color:#fff;
  font-size:12px;font-weight:500;
  box-shadow:0 6px 18px rgba(11,61,92,.3);
  transition:transform .2s,background .2s;
}
.floats__btn:hover{transform:translateY(-3px)}
.floats__btn--phone{background:var(--c-orange);box-shadow:0 6px 18px rgba(255,138,61,.4)}
.floats__btn--top{background:var(--c-primary);opacity:0;visibility:hidden;transition:all .3s}
.floats__btn--top.is-visible{opacity:1;visibility:visible}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(8,44,67,.92);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s;
  padding:30px;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox__img{
  max-width:90vw;max-height:82vh;
  object-fit:contain;
  border-radius:4px;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
  animation:lbIn .35s ease;
}
@keyframes lbIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.lightbox__caption{
  position:absolute;left:0;right:0;bottom:40px;
  text-align:center;color:#fff;font-size:15px;
  padding:0 20px;
}
.lightbox__close{
  position:absolute;top:24px;right:24px;
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;
  font-size:30px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.lightbox__close:hover{background:rgba(255,255,255,.3)}

/* ---------- 滚动渐入 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .products{grid-template-columns:repeat(3,1fr)}
  .scenarios{grid-template-columns:repeat(3,1fr)}
  .advantages{grid-template-columns:repeat(2,1fr)}
  .news{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav{position:fixed;top:80px;left:0;right:0;background:#fff;
    box-shadow:0 4px 20px rgba(0,0,0,.08);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:all .3s;border-top:1px solid var(--c-border);
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav__list{flex-direction:column;gap:0;padding:12px 0}
  .nav__list a{padding:14px 24px;border-radius:0}
  .nav__list a::after{display:none}
  .nav__toggle{display:flex}
  .hero{min-height:480px}
  .hero__title{font-size:32px}
  .hero__desc{font-size:15px}
  .metrics__grid{grid-template-columns:repeat(2,1fr);padding:32px 0}
  .metric::after{display:none}
  .metric:nth-child(odd){border-right:1px solid var(--c-border)}
  .section{padding:60px 0}
  .section__title{font-size:28px}
  .products{grid-template-columns:repeat(2,1fr)}
  .scenarios{grid-template-columns:repeat(2,1fr)}
  .news{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;padding:32px 24px}
  .contact__info{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr;gap:30px}
  .hero__arrow{width:40px;height:40px;font-size:24px}
  .hero__arrow--prev{left:12px}
  .hero__arrow--next{right:12px}
  .logo__brand{font-size:24px}
  .logo__sub{font-size:15px}
  .logo__divider{font-size:24px;margin:0 10px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .topbar__left{display:none}
  .header__inner{height:64px}
  .nav{top:64px}
  .hero__title{font-size:26px}
  .hero__cta{flex-direction:column;align-items:flex-start}
  .hero__cta .btn{width:100%}
  .products{grid-template-columns:1fr}
  .scenarios{grid-template-columns:1fr}
  .advantages{grid-template-columns:1fr}
  .news{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .footer__bottom-inner{justify-content:center;text-align:center}
  .floats{right:12px;bottom:20px}
  .floats__btn{width:52px;height:52px;font-size:11px}
  .contact__info{gap:18px}
  .contact__value{font-size:15px}
  .filter__btn{padding:8px 14px;font-size:13px}
}