@charset "utf-8";
/* ==========================================================================
   XIUJUN — drywallcorner.com design system
   Palette derived from the reference layout: brand red on light industrial grey.
   ========================================================================== */

:root{
  --red:#e60012;
  --red-d:#b8000e;
  --red-l:#ff3b47;
  --red-ink:#8d0009;
  --ink:#1b1c1e;
  --dark:#232629;
  --dark-2:#2c3034;
  --text:#4b4d50;
  --muted:#787b7f;
  --bg:#f5f4f2;
  --bg2:#ecebe8;
  --white:#fff;
  --line:#e3e2df;
  --line-2:#d3d2ce;
  --radius:14px;
  --radius-s:10px;
  --shadow:0 10px 30px rgba(20,20,20,.07);
  --shadow-lg:0 24px 60px rgba(20,20,20,.14);
  --container:1320px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font:"Helvetica Neue",Helvetica,Arial,"Segoe UI",Roboto,"Noto Sans",sans-serif;
  --font-zh:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",var(--font);
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.72;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.24;font-weight:700;letter-spacing:-.01em}
p{margin:0}
button,input,textarea,select{font:inherit;font-size:16px;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--red);color:#fff;padding:12px 20px;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- topbar ---------- */
.topbar{background:var(--dark);color:#c9cbcd;font-size:13.5px;line-height:1}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px;flex-wrap:wrap}
.topbar-list{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar a{color:#c9cbcd}
.topbar a:hover{color:#fff}
.topbar .tb-strong{color:#fff;font-weight:600}
.topbar-right{display:flex;gap:16px;align-items:center}
.lang-switch{display:flex;align-items:center;gap:8px;border-left:1px solid #3c4044;padding-left:16px}
.lang-switch a{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:6px;font-weight:600}
.lang-switch a[aria-current="true"]{background:var(--red);color:#fff}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 auto}
.brand-txt b{display:block;font-size:19px;letter-spacing:.14em;color:var(--ink);line-height:1.1}
.brand-txt span{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:4px}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:flex;align-items:center;gap:5px;padding:10px 13px;font-size:15px;font-weight:600;color:var(--ink);border-radius:8px}
.nav>ul>li>a:hover{background:var(--bg2)}
.nav>ul>li>a[aria-current="page"]{color:var(--red)}
.nav .caret{width:7px;height:7px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6}
.mega{
  position:absolute;left:50%;top:calc(100% + 6px);transform:translate(-50%,8px);
  width:min(760px,86vw);background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:6px 26px;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.nav li:hover>.mega,.nav li:focus-within>.mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega a{display:block;padding:9px 10px;border-radius:8px;font-size:14.5px;color:var(--text)}
.mega a:hover{background:var(--bg);color:var(--red)}
.mega a b{display:block;font-size:14.5px;color:var(--ink);font-weight:600}
.mega a span{display:block;font-size:12.5px;color:var(--muted);line-height:1.45}
.mega-head{grid-column:1/-1;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--red);font-weight:700;padding:0 10px 6px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:.22s var(--ease);white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:0 0 auto}
.btn-red{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(230,0,18,.22)}
.btn-red:hover{background:var(--red-d);transform:translateY(-1px);box-shadow:0 12px 26px rgba(230,0,18,.28)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#000}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line-2);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--dark);overflow:hidden;isolation:isolate;display:flex;align-items:center;min-height:min(78vh,620px)}
.hero-track{position:absolute;inset:0;display:block}
.hero-track::after{content:"";position:absolute;inset:0;background:rgba(12,13,15,.3);z-index:1}
.hero>.container{position:relative;z-index:2;width:100%}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease);pointer-events:none}
.hero-slide.is-active{opacity:1;pointer-events:auto}
.hero-slide img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,15,17,.95) 0%,rgba(14,15,17,.88) 46%,rgba(14,15,17,.6) 74%,rgba(14,15,17,.34) 100%)}
.hero-inner{position:relative;z-index:2;min-height:min(78vh,620px);display:flex;flex-direction:column;justify-content:center;padding:64px 0 88px}
.hero-side{display:flex;align-items:center;gap:16px;margin-top:26px}
.hero-copy{max-width:660px;color:#fff}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:7px 13px;border-radius:999px}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--red-l);display:block}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,54px);line-height:1.14;margin:20px 0 0;letter-spacing:-.02em}
.hero-lead{margin-top:18px;font-size:clamp(15px,1.5vw,18px);line-height:1.75;color:#e2e3e4;max-width:56ch}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:20px}
.hero-meta div{font-size:13px;color:#b9bbbd;line-height:1.5}
.hero-meta b{display:block;color:#fff;font-size:20px;font-weight:700;letter-spacing:-.01em}
.hero-side{position:relative;z-index:3;display:flex;align-items:center;gap:16px;margin-top:26px}
.hero-count{font-size:13px;letter-spacing:.14em;color:#fff;font-weight:700}
.hero-count small{opacity:.5;font-weight:500}
.hero-dots{display:flex;gap:7px}
.hero-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.2s}
.hero-dots button[aria-selected="true"]{background:var(--red);width:26px;border-radius:6px}
.hero-nav{position:absolute;right:24px;top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:8px}
.hero-nav button{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;display:grid;place-items:center;transition:.2s}
.hero-nav button:hover{background:var(--red);border-color:var(--red)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section.tight{padding:48px 0}
.section.white{background:var(--white)}
.section.dark{background:var(--dark);color:#c8cacc}
.section.dark h2,.section.dark h3{color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);margin-bottom:36px;position:relative;flex-wrap:wrap}
.sec-head h2{font-size:clamp(23px,2.4vw,33px);font-weight:700;padding:0 2px 15px;position:relative}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:-1px;height:3px;width:100%;background:var(--red)}
.sec-kicker{display:block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:9px}
.sec-sub{margin-top:12px;max-width:76ch;font-size:15.5px;color:var(--muted)}
.alias-line{margin:16px 0 0;font-size:13.5px;line-height:1.75;color:var(--text)}
.alias-line b{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.alias-note{margin:6px 0 0;font-size:11.5px;line-height:1.6;color:var(--muted);opacity:.75}
.sec-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--ink);padding-bottom:16px}
.sec-link:hover{color:var(--red)}
.sec-link svg{width:15px;height:15px}

/* ---------- answer block (GEO) ---------- */
.answer{
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--red);
  border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);
}
.answer h2{font-size:20px;margin-bottom:12px}
.answer p{font-size:16.5px;line-height:1.8;color:var(--text)}
.answer p+p{margin-top:12px}
.answer .ans-tag{display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--red);margin-bottom:8px}
.answer-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:22px;align-items:stretch}

/* ---------- facts table ---------- */
.facts{width:100%;font-size:14.5px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facts caption{text-align:left;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:16px 18px 12px;font-weight:700}
.facts th,.facts td{padding:10px 18px;text-align:left;border-top:1px solid var(--line);vertical-align:top}
.facts th{width:44%;font-weight:600;color:var(--ink);background:#fafaf8}
.facts td{color:var(--text)}

/* ---------- intro + news ---------- */
.intro-news{display:grid;grid-template-columns:1.28fr .92fr;gap:44px}
.intro-copy h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:16px}
.intro-copy p{font-size:15.5px;line-height:1.85;margin-bottom:14px}
.intro-tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 24px}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink);background:var(--bg2);border-radius:999px;padding:7px 14px}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red)}
.news-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 18px}
.news-col h2{font-size:17px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.news-item{padding:13px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border-bottom:0}
.news-item time{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.news-item h3{font-size:15px;font-weight:600;margin-top:5px;line-height:1.5}
.news-item a:hover h3{color:var(--red)}
.news-item p{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ---------- stats ---------- */
.stats{background:var(--dark);color:#c8cacc;padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px}
.stat{background:var(--dark-2);border:1px solid #3a3f44;border-radius:var(--radius);padding:22px 24px}
.stat b{display:block;font-size:clamp(28px,3vw,38px);font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.02em}
.stat b em{font-style:normal;color:var(--red-l)}
.stat span{display:block;margin-top:6px;font-size:13px;letter-spacing:.06em;color:#9fa2a5;text-transform:uppercase}
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.series-card{background:var(--dark-2);border:1px solid #3a3f44;border-radius:var(--radius);padding:26px 26px 24px;transition:.25s var(--ease)}
.series-card:hover{border-color:var(--red);transform:translateY(-3px)}
.series-ico{width:44px;height:44px;border-radius:11px;background:rgba(230,0,18,.14);color:var(--red-l);display:grid;place-items:center;margin-bottom:16px}
.series-ico svg{width:22px;height:22px}
.series-card h3{font-size:18px;margin-bottom:9px}
.series-card p{font-size:14px;line-height:1.7;color:#a9acaf}
.series-card ul{margin-top:14px;display:grid;gap:6px}
.series-card li{font-size:13.5px;color:#c8cacc;padding-left:14px;position:relative}
.series-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--red)}

/* ---------- product grid ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s var(--ease);display:flex;flex-direction:column}
.prod-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--line-2)}
.prod-media{position:relative;aspect-ratio:1/1;background:#fff;overflow:hidden}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.prod-card:hover .prod-media img{transform:scale(1.05)}
.prod-badge{position:absolute;left:12px;top:12px;background:var(--red);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 9px;border-radius:5px}
.prod-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod-body .cat{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);font-weight:700}
.prod-body h3{font-size:16px;line-height:1.4;font-weight:600}
.prod-body h3 a:hover{color:var(--red)}
.prod-body .spec{font-size:13px;color:var(--muted);line-height:1.6}
.prod-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--ink);padding-top:6px}
.prod-more svg{width:14px;height:14px;transition:transform .2s}
.prod-card:hover .prod-more svg{transform:translateX(4px)}
.prod-more:hover{color:var(--red)}

/* ---------- chip cloud ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:9px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border:1px solid var(--line-2);border-radius:999px;background:#fff;font-size:13.5px;font-weight:500;color:var(--ink);transition:.2s;min-height:42px}
.chip:hover{border-color:var(--red);color:var(--red);background:#fff8f8}
.chip span{font-size:11.5px;color:var(--muted)}
.chip:hover span{color:var(--red)}

/* ---------- inquiry ---------- */
.inquiry{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-top:1px solid var(--line)}
.inquiry-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:start}
.inquiry-copy h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.inquiry-copy p{font-size:15.5px;line-height:1.8;max-width:46ch}
.trust{display:grid;gap:12px;margin-top:26px}
.trust li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink);font-weight:600}
.trust svg{width:20px;height:20px;flex:0 0 auto;color:var(--red);margin-top:1px}
.contact-mini{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);display:grid;gap:10px}
.contact-mini a{display:flex;gap:10px;align-items:center;font-size:15px;font-weight:600;color:var(--ink);min-height:32px}
.contact-mini a:hover{color:var(--red)}
.contact-mini svg{width:18px;height:18px;color:var(--red);flex:0 0 auto}

/* QR pair — WeChat + WhatsApp, equal size, never collapsed */
.qr-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;max-width:400px}
.qr-pair figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 10px 10px;text-align:center}
.qr-pair img{width:100%;height:auto;max-width:170px;margin:0 auto;border-radius:6px;background:#fff}
.qr-pair figcaption{font-size:12px;line-height:1.5;color:var(--muted);margin-top:8px}
.qr-pair figcaption b{display:block;font-size:13px;color:var(--ink);font-weight:700}
.side-card .qr-pair{grid-template-columns:1fr 1fr;gap:10px;margin-top:0;max-width:none}
.side-card .qr-pair img{max-width:100%}
.side-card .qr-pair figcaption{font-size:11.5px}

.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.field label .req{color:var(--red)}
.field input,.field textarea,.field select{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;
  background:#fcfcfb;transition:.2s;font-size:15px;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--red);background:#fff;outline:none;box-shadow:0 0 0 4px rgba(230,0,18,.1)}
.field .hint{font-size:12px;color:var(--muted)}
.form-foot{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:var(--muted);flex:1;min-width:200px}
.form-status{margin-top:14px;font-size:14px;font-weight:600;color:#1a7f37;display:none}
.form-status.is-error{color:var(--red)}
.form-sent{display:none;text-align:center;padding:26px 8px}
.form-sent.is-on{display:block}
/* the WhatsApp hand-off only makes sense when the mail could not be sent */
.form-sent [data-wa-block]{display:none}
.form-sent.is-queued [data-wa-block]{display:block}
.form-sent svg{width:52px;height:52px;color:#1a7f37;margin:0 auto 14px}
.form-sent h3{font-size:20px;margin-bottom:8px}
.form-sent p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;transition:.2s}
.faq details[open]{border-color:var(--line-2);box-shadow:var(--shadow)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);min-height:56px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:10px;height:10px;flex:0 0 auto;border-right:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(45deg);transition:.2s;margin-right:4px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .faq-a{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--text);max-width:88ch}
.faq .faq-a p+p{margin-top:10px}

/* ---------- page hero / breadcrumb ---------- */
.page-hero{background:var(--dark);color:#fff;padding:56px 0 52px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(230,0,18,.28),transparent 68%)}
.page-hero h1{color:#fff;font-size:clamp(26px,3.4vw,42px);position:relative;z-index:1}
.page-hero .lead{margin-top:14px;font-size:16.5px;line-height:1.75;color:#cfd1d3;max-width:74ch;position:relative;z-index:1}
.page-hero .kicker{display:block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--red-l);font-weight:700;margin-bottom:10px;position:relative;z-index:1}
.crumb{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:13px 0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line-2)}
.crumb a:hover{color:var(--red)}
.crumb [aria-current]{color:var(--ink);font-weight:600}

/* ---------- article / spec table ---------- */
.layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.layout.narrow{grid-template-columns:1fr}
.prose{font-size:16px;line-height:1.85;color:var(--text)}
.prose>*+*{margin-top:16px}
.prose h2{font-size:clamp(21px,2.2vw,27px);margin-top:42px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.prose h3{font-size:18px;margin-top:28px}
.prose ul,.prose ol{display:grid;gap:9px;padding-left:0}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;background:var(--red);border-radius:50%}
.prose ol{counter-reset:n;padding-left:0}
.prose ol li{counter-increment:n;position:relative;padding-left:34px}
.prose ol li::before{content:counter(n);position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}
.prose a{color:var(--red-ink);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--red)}
.prose strong{color:var(--ink)}
.prose blockquote{margin:0;padding:18px 22px;background:#fff;border-left:4px solid var(--red);border-radius:0 var(--radius-s) var(--radius-s) 0;font-size:15.5px}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.spec{width:100%;font-size:14px;min-width:560px}
.spec caption{text-align:left;padding:14px 18px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line)}
.spec th,.spec td{padding:11px 18px;text-align:left;border-bottom:1px solid var(--line)}
.spec thead th{background:#fafaf8;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);font-weight:700;white-space:nowrap}
.spec tbody tr:last-child td{border-bottom:0}
.spec tbody tr:hover{background:#fcfbf9}
.spec td b{color:var(--ink)}
.spec .num{font-variant-numeric:tabular-nums;white-space:nowrap}
.sidebar{position:sticky;top:96px;display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:12px}
.side-card ul{display:grid;gap:2px}
.side-card li a{display:block;padding:9px 0;font-size:14px;border-bottom:1px dashed var(--line);color:var(--text)}
.side-card li:last-child a{border-bottom:0}
.side-card li a:hover{color:var(--red)}
.side-card .qr{display:block;width:150px;margin:0 auto 10px;border-radius:8px}
.side-card .qr-cap{font-size:12.5px;color:var(--muted);text-align:center}
.side-cta{background:var(--dark);color:#fff;border-color:var(--dark)}
.side-cta h3{color:#fff}
.side-cta p{font-size:13.5px;color:#b9bbbd;margin-bottom:14px}
.side-cta .btn{width:100%}

/* ---------- cards / grids ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s var(--ease)}
.info-card:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.info-card h3{font-size:17px;margin-bottom:10px}
.info-card p{font-size:14.5px;line-height:1.75;color:var(--text)}
.info-card .ico{width:42px;height:42px;border-radius:11px;background:#fff1f2;color:var(--red);display:grid;place-items:center;margin-bottom:16px}
.info-card .ico svg{width:21px;height:21px}
.info-card ul{margin-top:12px;display:grid;gap:7px}
.info-card li{font-size:13.5px;color:var(--muted);padding-left:16px;position:relative}
.info-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--line-2)}

/* article cards */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.art-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;transition:.25s var(--ease)}
.art-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.art-card .meta{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.art-card h3{font-size:17px;line-height:1.45}
.art-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* cta band */
.cta-band{background:var(--red);color:#fff;padding:52px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:8px;max-width:60ch}
.cta-band .btn{background:#fff;color:var(--red-ink);box-shadow:none}
.cta-band .btn:hover{background:#1b1c1e;color:#fff}

/* ---------- footer ---------- */
.footer{background:var(--dark);color:#a9acaf;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px;border-bottom:1px solid #3a3f44}
.footer h3{color:#fff;font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.footer a:hover{color:#fff}
.footer-brand .brand-txt b{color:#fff}
.footer-brand .brand-txt span{color:#8a8d90}
.footer-brand p{margin-top:16px;line-height:1.8;max-width:38ch;font-size:13.5px}
.footer-contact{display:grid;gap:10px;margin-top:6px}
.footer-contact li{display:flex;gap:10px;line-height:1.65;font-size:13.5px}
.footer-contact svg{width:16px;height:16px;color:var(--red-l);flex:0 0 auto;margin-top:3px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#a9acaf}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding:20px 0;flex-wrap:wrap;font-size:12.5px;color:#8a8d90}
.footer-bottom a{color:#8a8d90}
.footer-bottom .fb-links{display:flex;gap:16px;flex-wrap:wrap}

/* float */
.float-wa{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-wa a{width:52px;height:52px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.18);transition:.2s}
.float-wa a:hover{transform:translateY(-3px)}
.float-wa svg{width:26px;height:26px}
.float-wa .to-top{background:var(--dark)}
.float-wa .to-top svg{width:20px;height:20px}

/* reveal */
.js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .hero-slide{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .layout{grid-template-columns:1fr 280px;gap:32px}
  .nav>ul>li>a{padding:10px 9px;font-size:14.5px}
}
@media (max-width:1024px){
  .header .container{min-height:66px;gap:14px}
  .nav{position:fixed;inset:66px 0 auto;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);display:none;padding:10px 20px 24px;max-height:calc(100vh - 66px);overflow:auto}
  .nav.is-open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li{border-bottom:1px solid var(--line)}
  .nav>ul>li>a{padding:14px 4px;font-size:16px;justify-content:space-between}
  .mega{position:static;transform:none;width:auto;box-shadow:none;border:0;border-radius:0;padding:0 0 12px 10px;grid-template-columns:1fr;opacity:1;visibility:visible;display:none}
  .nav li.is-open>.mega{display:grid}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .intro-news{grid-template-columns:1fr;gap:30px}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:1fr 1fr}
  .card-grid-3,.art-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .answer-grid{grid-template-columns:1fr}
  .inquiry-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:820px){
  .section{padding:52px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .series-grid{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:0}
  .hero-inner{min-height:0;padding:56px 0 64px}
  .hero-nav{display:none}
  .hero-side{position:static;margin-top:26px}
  .hero-slide img{object-position:60% 50%}
  .topbar .container{min-height:34px;font-size:12.5px}
  .topbar-list li:nth-child(2){display:none}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .prod-grid{grid-template-columns:1fr 1fr;gap:12px}
  .prod-body{padding:12px 12px 14px}
  .prod-body h3{font-size:14px}
  .prod-body .spec{font-size:12px}
  .card-grid-3,.card-grid-2,.art-grid,.form-grid{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:16px}
  .hero h1{font-size:27px}
  .hero-lead{font-size:14.5px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .form-card{padding:20px}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .float-wa .to-top{display:none}
}