/* ===================== VOHON 黑红主题 ===================== */

:root{

  --red:#c21830; --red-dark:#9e1226; --red-deep:#6d0a1a; --red-light:#2a0d12;

  --ink:#eceff3; --ink-soft:#aab2bf; --muted:#828b98;

  --black:#0c0d10; --black-2:#121317; --black-3:#181a1f; --black-deep:#060708;

  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);

  --white:#fff; --radius:14px; --radius-sm:10px;

  --shadow:0 12px 34px rgba(0,0,0,.42); --shadow-md:0 18px 44px rgba(0,0,0,.5);

  --maxw:1200px;

  --font:'Open Sans',system-ui,-apple-system,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif;

  --font-display:'Playfair Display',Georgia,serif;

}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{margin:0;font-family:var(--font);background:var(--black);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;font-weight:400}

a{color:inherit;text-decoration:none}

img{max-width:100%;display:block}

button{font-family:inherit}

ul{list-style:none;margin:0;padding:0}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.2;margin:0 0 .5em;color:#fff;letter-spacing:.3px}

h1{font-size:clamp(30px,5vw,50px)}

h2{font-size:clamp(24px,3.4vw,36px)}

h3{font-size:19px}

p{margin:0 0 1em;color:var(--ink-soft)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.text-center{text-align:center}

.kicker{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:12px}

.lead{font-size:clamp(16px,2vw,19px);color:var(--ink-soft);max-width:640px}

.sep{margin:0 10px;color:var(--muted)}



/* buttons */

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .18s,background .18s,box-shadow .18s,color .18s}

.btn--primary{background:var(--red);color:#fff}.btn--primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 10px 26px rgba(194,24,48,.42)}

.btn--outline{border-color:var(--line-2);color:#fff}.btn--outline:hover{border-color:var(--red);color:#fff;background:var(--red-light)}

.btn--ghost-white{border-color:rgba(255,255,255,.5);color:#fff}.btn--ghost-white:hover{background:rgba(255,255,255,.12)}

.btn--white{background:#fff;color:var(--black)}.btn--white:hover{background:#f0f0f0}

.btn--block{display:flex;width:100%}



/* topbar */

.topbar{background:var(--black-deep);border-bottom:1px solid var(--line);font-size:13.5px}

.topbar__inner{display:flex;align-items:center;gap:22px;height:42px;flex-wrap:wrap}

.topbar__item{display:inline-flex;align-items:center;gap:7px;color:var(--ink-soft)}

.topbar__item svg{width:16px;height:16px;color:var(--red)}

.topbar__quote{margin-left:auto;color:#fff;font-weight:700}

.topbar__quote:hover{color:var(--red)}



/* header / nav */

.site-header{position:sticky;top:0;z-index:120;background:rgba(12,13,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}

.site-header__inner{display:flex;align-items:center;gap:24px;height:72px}

.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:22px;color:#fff}

.brand__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--red);color:#fff;font-size:20px}

.main-nav{margin-left:auto}

.main-nav>ul{display:flex;align-items:center;gap:4px}

.main-nav a{display:inline-flex;align-items:center;padding:10px 14px;border-radius:8px;color:var(--ink);font-weight:600;font-size:15px;transition:color .15s,background .15s}

.main-nav a:hover{color:#fff;background:var(--black-3)}

.has-dropdown{position:relative}

.has-dropdown>.nav-link::after{content:'';display:inline-block;width:6px;height:6px;margin-left:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .2s;opacity:.7}

.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:var(--black-2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:flex;flex-direction:column;gap:4px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;z-index:130}

.has-dropdown:hover>.dropdown,.has-dropdown:focus-within>.dropdown,.dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}

.dropdown a{padding:11px 14px;border-radius:8px;font-size:14.5px;color:var(--ink-soft)}

.dropdown a:hover{background:var(--red);color:#fff}

.lang-switch{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;overflow:hidden}

.lang-switch button{padding:7px 14px;background:transparent;border:0;color:var(--ink-soft);font-weight:700;font-size:13px;cursor:pointer}

.lang-switch button.active{background:var(--red);color:#fff}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:transparent;cursor:pointer;align-items:center;justify-content:center}

.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px}



/* hero */

.hero{position:relative;overflow:hidden;padding:96px 0 84px;background:radial-gradient(1100px 600px at 78% 20%,rgba(194,24,48,.30),transparent 60%),radial-gradient(800px 500px at 10% 90%,rgba(194,24,48,.14),transparent 55%),linear-gradient(160deg,#0e0f13,#08090c)}

.hero::before{content:'';position:absolute;inset:0;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:40px 40px;opacity:.5;mask-image:radial-gradient(80% 80% at 50% 40%,#000,transparent);pointer-events:none}

.hero .container{position:relative;z-index:2}

.hero__kicker{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:14px}

.hero h1{margin:0 0 18px;max-width:640px}

.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}

.hero__stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:42px}

.hero__stat{display:flex;flex-direction:column}

.hero__stat b{font-family:var(--font-display);font-size:24px;color:#fff}

.hero__stat span{font-size:13.5px;color:var(--ink-soft)}

.hero__device{position:absolute;top:50%;right:0;transform:translateY(-50%);max-width:46%;z-index:1;filter:drop-shadow(0 30px 60px rgba(0,0,0,.5));pointer-events:none}



/* sections */

.section{padding:84px 0}

.section--soft{background:var(--black-2)}

.section-head{max-width:720px;margin:0 auto 48px;text-align:center}

.section-head p{margin-top:14px}

.section-cta{text-align:center;margin-top:44px}



/* feature */

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

.feature-card{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .2s,border-color .2s,box-shadow .2s}

.feature-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}

.feature-card .ico{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;background:var(--red-light);color:var(--red);margin-bottom:18px}

.feature-card .ico svg{width:26px;height:26px}

.feature-card h3{margin-bottom:8px}



/* split */

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}

.split__media{position:relative}

.frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--black-3)}

.frame img{width:100%}

.badge{position:absolute;left:-14px;bottom:-14px;background:var(--red);color:#fff;padding:14px 18px;border-radius:12px;font-family:var(--font-display);line-height:1}

.badge b{display:block;font-size:11px;opacity:.8;letter-spacing:2px;margin-top:4px}



/* about video block */

.video-block{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#1a1d23 0%,#0c0d10 60%,#2a0d12 100%);border:1px solid var(--line-2);box-shadow:0 18px 50px -20px rgba(0,0,0,.6)}

.video-block::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(194,24,48,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(194,24,48,.06) 1px,transparent 1px);background-size:40px 40px;opacity:.5}

.video-block__player{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;background:#000}

.check-list li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--ink-soft)}

.check-list li::before{content:'';position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:var(--red-light);border:1px solid var(--red)}

.check-list li::after{content:'';position:absolute;left:6px;top:11px;width:6px;height:3px;border-left:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(-45deg)}



/* products */

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

.product-card{display:flex;flex-direction:column;background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}

.product-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}

.product-card__media{display:block;aspect-ratio:4/3;background:var(--black-3);overflow:hidden}

.product-card__media img{width:100%;height:100%;object-fit:cover}

.product-card__body{padding:22px 22px 6px;flex:1}

.product-card__tag{display:inline-block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:8px}

.product-card__body h3{margin:0 0 8px;font-size:18px}

.product-card__body h3 a:hover{color:var(--red)}

.product-card__body p{font-size:14.5px;margin:0}

.product-card__foot{display:flex;justify-content:space-between;gap:12px;padding:16px 22px 22px}

.product-card__foot a{font-weight:700;font-size:14px;color:var(--red)}

.product-card__foot a:hover{color:#fff}



/* process / steps */

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}

.step{position:relative;background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}

.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:24px;width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-display)}

.step h3{margin:12px 0 8px;font-size:17px}

.step p{font-size:14.5px;margin:0}



/* cases */

.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

.case-card{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}

.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}

.case-card__media{position:relative;aspect-ratio:16/10;background:var(--black-3);overflow:hidden}

.case-card__media img{width:100%;height:100%;object-fit:cover}

.case-card__flag{position:absolute;top:14px;left:14px;background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}

.case-card__body{padding:22px}

.case-card__meta{font-size:13px;color:var(--red);font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}

.case-card__body h3{margin:0 0 8px;font-size:18px}

.case-card__body p{font-size:14.5px;margin:0}



/* videos */

.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

.video-card{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}

.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}

.video-card__thumb{position:relative;aspect-ratio:16/9;background:var(--black-3);overflow:hidden}

.video-card__thumb img{width:100%;height:100%;object-fit:cover}

.video-card__play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}

.video-card__play::before{content:'';width:60px;height:60px;border-radius:50%;background:rgba(194,24,48,.92);border:2px solid rgba(255,255,255,.7);transition:transform .2s}

.video-card__play::after{content:'';position:absolute;left:calc(50% + 4px);top:50%;transform:translate(-50%,-50%);border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}

.video-card:hover .video-card__play::before{transform:scale(1.08)}

.video-card__body{padding:20px 22px}

.video-card__meta{font-size:13px;color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}

.video-card__body h3{margin:0 0 6px;font-size:17px}

.video-card__body p{font-size:14px;margin:0}

.video-player{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}

.video-player iframe,.video-player video{position:absolute;inset:0;width:100%;height:100%}



/* article / blog */

.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

/* 首页 NEWS 列表：2 列横向、无图、无描述（2026-09-05） */

.article-grid--list{display:grid !important;grid-template-columns:repeat(2,1fr) !important;gap:0 40px}

.article-row{padding:18px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px}

.article-row:first-child,.article-row:nth-child(2){border-top:1px solid var(--line)}

.article-row__meta{font-size:13px;color:var(--muted);letter-spacing:.02em}

.article-row h3{margin:0;font-size:18px;line-height:1.4}

.article-row h3 a{color:var(--ink)}

.article-row h3 a:hover{color:var(--red)}

@media (max-width:980px){.article-grid--list{grid-template-columns:1fr !important}}

.article-card{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}

.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}

.article-card__media{aspect-ratio:16/9;background:var(--black-3);overflow:hidden}

.article-card__media img{width:100%;height:100%;object-fit:cover}

.article-card__body{padding:22px}

.article-card__meta{font-size:13px;color:var(--muted);margin-bottom:8px}

.article-card__body h3{margin:0 0 10px;font-size:18px}

.article-card__body h3 a:hover{color:var(--red)}

.article-card__body p{font-size:14.5px;margin:0}



/* page hero + breadcrumb */

.page-hero{padding:28px 0 32px;margin-bottom:0;background:linear-gradient(160deg,var(--black-2),var(--black))}

.page-hero h1{font-size:clamp(22px,3vw,30px);margin:.2em 0 0}

.page-hero p{margin-top:8px}

.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:6px}

.breadcrumb a:hover{color:var(--red)}



/* layout + sidebar */

.layout{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start;padding:52px 0 80px}

.layout__main{min-width:0}

.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:22px;max-height:none;overflow:visible}

.widget{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}

.widget h3{font-size:16px;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--line)}

.widget ul li{margin-bottom:10px}

.widget ul li a{color:var(--ink-soft);font-size:14.5px}

.widget ul li a:hover{color:var(--red)}

.widget--dark{background:var(--black-deep);border-color:var(--line-2)}

.widget--contact .contact-line{display:grid;grid-template-columns:18px 1fr;column-gap:10px;align-items:start;margin-bottom:12px;font-size:14.5px}

.widget--contact .contact-line svg{width:16px;height:16px;color:var(--red);margin-top:4px}

.widget--contact .contact-line a{color:var(--ink)}

.widget--contact .contact-line:has(.contact-addr){align-items:center}

.widget--contact .contact-addr{color:var(--ink-soft);line-height:1.5}

.widget--contact .contact-tip{margin:14px 0 16px;padding-top:14px;border-top:1px dashed var(--line-2);font-size:13px;color:var(--muted);line-height:1.5}



/* contact page */

.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:42px}

.contact-card{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}

.contact-card__ico{display:inline-flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:14px;background:var(--red-light);color:var(--red);margin-bottom:14px}

.contact-card__ico svg{width:24px;height:24px}

.contact-card h3{font-size:17px;margin-bottom:6px}

.contact-card a,.contact-card p{color:var(--ink-soft);font-size:14.5px}



/* product detail */

.product-detail{display:flex;flex-direction:column;gap:36px}

.product-detail__media{background:var(--black-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px}

.product-detail__media .main-img{width:100%;border-radius:10px;background:var(--black-3)}

.thumb-row{display:flex;gap:12px;margin-top:14px}

.thumb-row img{width:84px;height:64px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer;background:var(--black-3)}

.thumb-row img.active{border-color:var(--red)}

.product-detail__info h2{margin:0 0 10px}

.pd-two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}

.pd-two-col h3{margin:0 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}

.spec-list{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}

.spec-list__row{display:grid;grid-template-columns:190px 1fr;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}

.spec-list__row:last-child{border-bottom:0}

.spec-list__row b{color:#fff;font-weight:700}

.spec-list__row span{color:var(--ink-soft)}

.quote-box{background:linear-gradient(150deg,var(--red-dark),var(--red-deep));border-radius:var(--radius);padding:28px;color:#fff}

.quote-box h3{color:#fff;margin:0 0 8px}

.quote-box p{color:rgba(255,255,255,.9);margin:0 0 18px}

.quote-box .btn--white{color:var(--red-deep)}

.pd-col{display:grid;gap:14px}



/* case / blog detail */

.post-head{max-width:820px;margin:0 auto 28px}

.post-head h1{font-size:clamp(26px,4vw,40px)}

.post__cover{aspect-ratio:16/8;background:var(--black-3);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:30px}

.post__cover img{width:100%;height:100%;object-fit:cover}

.post{max-width:820px;margin:0 auto}

.post__meta{font-size:14px;color:var(--muted);margin-bottom:20px}

.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}

.post-nav a{color:var(--red);font-weight:700}



/* cta band */

.cta-band{background:linear-gradient(150deg,var(--red-dark),var(--red-deep));border-radius:var(--radius);padding:54px 48px;text-align:center;color:#fff}

.cta-band h2{color:#fff}

.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 22px}

.cta-band .btn--white{color:var(--red-deep)}



/* filter / chips */

.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:34px}

.filter-label{font-weight:700;color:var(--ink-soft);margin-right:6px}

.chip{padding:9px 18px;border:1px solid var(--line-2);border-radius:999px;background:transparent;color:var(--ink-soft);font-weight:600;font-size:14px;cursor:pointer;transition:.15s}

.chip:hover{border-color:var(--red);color:#fff}

.chip.active{background:var(--red);border-color:var(--red);color:#fff}



/* pagination */

.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}

.pagination a,.pagination span{padding:9px 15px;border:1px solid var(--line);border-radius:8px;color:var(--ink-soft);font-weight:600}

.pagination a:hover{border-color:var(--red);color:#fff}

.pagination .current{background:var(--red);border-color:var(--red);color:#fff}



/* forms */

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.form-group{display:flex;flex-direction:column;gap:8px}

.form-group--full{grid-column:1/-1}

.form-group label{font-size:14px;font-weight:600;color:var(--ink-soft)}

.form-group input,.form-group textarea,.form-group select{padding:13px 15px;background:var(--black-3);border:1px solid var(--line-2);border-radius:10px;color:var(--ink);font-size:15px;font-family:inherit}

.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:0;border-color:var(--red)}

.form-group textarea{min-height:130px;resize:vertical}

.form-tip{font-size:13px;color:var(--muted)}

.form-success{display:none;padding:14px 18px;background:var(--red-light);border:1px solid var(--red);border-radius:10px;color:#ffd9df;margin-bottom:18px}

.form-error{display:none;padding:14px 18px;background:#2a1414;border:1px solid var(--red);border-radius:10px;color:#ffb3b3;margin-bottom:18px}



/* footer */

.site-footer{background:var(--black-deep);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:40px}

.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}

.footer__brand .brand{margin-bottom:16px}

.footer__brand p{font-size:14.5px;max-width:320px}

.social{display:flex;gap:10px;margin-top:16px}

.social a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--black-3);color:var(--red);border:1px solid var(--line)}

.social a:hover{background:var(--red);color:#fff}

.footer__col h3{font-size:15px;margin:0 0 18px}

.footer__col ul li{margin-bottom:11px}

.footer__col ul li a{color:var(--ink-soft);font-size:14.5px}

.footer__col ul li a:hover{color:var(--red)}

.footer__contact p{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-soft);margin:0 0 12px}

.footer__contact svg{width:17px;height:17px;color:var(--red);margin-top:3px;flex:none}

.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}



/* floating buttons */

.wa-float{position:fixed;right:26px;bottom:26px;z-index:150;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;background:#25D366;color:#fff;font-weight:700;font-size:14.5px;box-shadow:0 10px 28px rgba(37,211,102,.4);transition:opacity .3s,visibility .3s}

.wa-float svg{width:20px;height:20px}

.wa-float:hover{color:#fff;transform:translateY(-2px)}

.wa-float.hide{opacity:0;visibility:hidden;pointer-events:none}

.to-top{position:fixed;left:26px;bottom:26px;z-index:150;width:46px;height:46px;border-radius:12px;background:var(--red);color:#fff;border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}

.to-top svg{width:20px;height:20px}



/* reveal */

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}

.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}



/* responsive */

@media (max-width:980px){

  .feature-grid,.steps{grid-template-columns:repeat(2,1fr)}

  .product-grid,.case-grid,.video-grid,.article-grid{grid-template-columns:repeat(2,1fr)}

  .split{grid-template-columns:1fr;gap:36px}

  .layout{grid-template-columns:1fr}

  .sidebar{position:static;flex-direction:column}

  .pd-two-col{gap:36px}

  .footer__grid{grid-template-columns:1fr 1fr}

}

@media (max-width:768px){

  .topbar__inner{height:auto;padding:8px 0;gap:12px}

  .topbar__quote{margin-left:0}

  .nav-toggle{display:flex}

  .main-nav{position:fixed;inset:72px 0 auto 0;background:var(--black-2);border-bottom:1px solid var(--line);max-height:calc(100vh - 72px);overflow:auto;transform:translateY(-12px);opacity:0;visibility:hidden;transition:.2s;margin-left:0}

  .main-nav.open{transform:none;opacity:1;visibility:visible}

  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0;padding:12px}

  .main-nav a{padding:14px 16px;font-size:16px}

  .has-dropdown>.nav-link::after{transform:rotate(45deg)}

  .has-dropdown.open>.nav-link::after{transform:rotate(225deg)}

  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:0 0 8px 14px;display:none;flex-direction:column}

  .dropdown.open{display:flex}

  .dropdown a{padding:12px 14px}

  .hero__device{display:none!important}

  .hero{padding:64px 0 56px}

  .hero__stats{gap:22px}

  .section{padding:60px 0}

  .feature-grid,.steps,.product-grid,.case-grid,.video-grid,.article-grid{grid-template-columns:1fr}

  .pd-two-col{grid-template-columns:1fr;gap:28px}

  .form-grid{grid-template-columns:1fr}

  .spec-list__row{grid-template-columns:130px 1fr}

  .footer__grid{grid-template-columns:1fr}

  .cta-band{padding:40px 24px}

  .contact-grid{grid-template-columns:1fr}

}