:root{
    --ink:#0b2a3f;
    --ink-2:#123a54;
    --ink-3:#1a4a69;
    --blue:#005c96;
    --glow:#4faee6;
    --text:#22313c;
    --muted:#64737e;
    --line:#dbe2e8;
    --paper:#ecf0f3;
    --paper-2:#e4eaef;
    --white:#fff;
    --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
    --num:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
    --maxw:1320px;
    --ease:cubic-bezier(.2,.7,.2,1);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;font-family:var(--font);font-size:15px;line-height:1.8;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul{list-style:none;padding:0}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  :focus-visible{outline:2px solid var(--blue);outline-offset:3px}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 48px}
  .num{font-family:var(--num);letter-spacing:.01em}

  /* ---------- top line ---------- */
  .topline{background:#071b28;color:#7d8d99;font-size:12.5px;letter-spacing:.02em}
  .topline .wrap{display:flex;align-items:center;justify-content:space-between;height:36px;gap:20px}
  .topline .l{display:flex;align-items:center;gap:18px}
  .topline .l b{font-family:var(--num);font-weight:600;color:#f3f6f8;font-size:13px;letter-spacing:.06em}
  .topline .l i{font-style:normal;width:1px;height:11px;background:#0e3248}
  .topline nav{display:flex;gap:22px}
  .topline nav a:hover{color:var(--glow)}
  .topline .r{color:#8999a5}
  .topline .r b{font-family:var(--num);font-weight:600;color:#f3f6f8;font-size:13px;letter-spacing:.06em;margin-left:4px}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:70;background:#0b2a3f;border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s}
  .site-header.stuck{box-shadow:0 14px 34px -28px rgba(0,0,0,.95);border-bottom-color:rgba(255,255,255,.09)}
  .site-header .wrap{height:86px;display:flex;align-items:center;gap:40px}
  .brand{display:flex;align-items:center;gap:13px;flex:none;color:#fff}
  .brand-mark{width:50px;height:50px;flex:none}
  .brand-type b{display:block;font-size:22px;font-weight:600;letter-spacing:.14em;line-height:1.15;color:#fff}
  .brand-type i{display:block;font-style:normal;font-family:var(--num);font-size:9px;letter-spacing:.26em;color:#8e9eaa;margin-top:4px}
  .nav{margin-left:auto;display:flex;align-items:center;gap:2px}
  .nav > li > a,.nav > li > button{display:flex;align-items:center;gap:6px;height:86px;padding:0 16px;font-size:15px;color:#d7e0e7;position:relative;letter-spacing:.01em;transition:color .2s;white-space:nowrap;flex:none}
  .nav > li > a::after,.nav > li > button::after{content:"";position:absolute;left:16px;right:16px;bottom:22px;height:1px;background:#4faee6;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
  .nav > li:hover > a::after,.nav > li:hover > button::after,.nav > li > a.on::after{transform:scaleX(1)}
  .nav > li:hover > a,.nav > li:hover > button{color:#fff}
  .nav .caret{width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6}
  .has-mega{position:static}
  .mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid #0b2a3f;border-top:1px solid rgba(255,255,255,.12);display:none;padding:34px 0 38px;cursor:default}
  .has-mega:hover .mega,.has-mega:focus-within .mega{display:block}
  .mega-in{max-width:var(--maxw);margin:0 auto;padding:0 48px;display:grid;grid-template-columns:repeat(4,1fr);gap:2px 44px}
  .mega-in a{display:flex;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid #e2e9ef;color:#123a54;font-size:14px;transition:color .18s,border-color .18s}
  .mega-in a span{font-family:var(--num);font-size:10.5px;color:#9eacb8;letter-spacing:.08em}
  .mega-in a:hover{color:var(--blue);border-color:var(--blue)}
  .head-tools{display:flex;align-items:center;gap:12px;flex:none}
  .hsearch{display:flex;align-items:center;height:40px;padding-left:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color-scheme:dark;transition:border-color .2s,background .2s}
  .hsearch:focus-within{border-color:rgba(79,174,230,.6);background:rgba(255,255,255,.1)}
  .hsearch input[type=text]{width:168px;border:0;background:none;font:inherit;font-size:13.5px;color:#fff;padding:0 8px 0 0}
  .hsearch input[type=text]::placeholder{color:#8999a5}
  .hsearch input[type=text]:focus{outline:none}
  .hsearch button{width:38px;height:38px;display:grid;place-items:center;color:#d4dee6;flex:none;transition:color .2s}
  .hsearch button:hover{color:var(--glow)}
  .hsearch svg{width:16px;height:16px}
  .btn-ink{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;background:var(--ink);color:#fff;font-size:14px;transition:background .2s}
  .btn-ink:hover{background:var(--ink-3)}
  .burger{display:none;width:42px;height:42px;place-items:center;border:1px solid rgba(255,255,255,.24)}
  .burger span{width:18px;height:1px;background:#fff;position:relative;display:block}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:#fff}
  .burger span::before{top:-6px}.burger span::after{top:6px}

  /* ---------- hero ---------- */
  .hero{position:relative;background:radial-gradient(78% 100% at 2% 112%,rgba(79,174,230,.34) 0%,rgba(79,174,230,0) 56%),radial-gradient(90% 80% at 92% -10%,rgba(79,174,230,.22) 0%,rgba(58,145,200,0) 60%),linear-gradient(174deg,#0b2a3f 0%,#0b2a3f 26%,#0e3248 64%,#0a2436 100%);overflow:hidden;isolation:isolate}
  .hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:24px;align-items:center;padding-top:80px;padding-bottom:104px}
  .hero-copy{padding-right:12px}
  .hero-tag{display:flex;align-items:center;gap:12px;font-size:12px;color:#8e9eaa;letter-spacing:.1em}
  .hero-tag::before{content:"";width:26px;height:1px;background:#4faee6}
  .hero h1{margin:26px 0 24px;font-size:clamp(30px,3.5vw,58px);line-height:1.12;letter-spacing:-.025em;font-weight:600;color:#fff}
  .hero h1 .num{font-size:.94em;letter-spacing:0;font-weight:500}
  .hero-sub{font-size:15px;line-height:1.95;color:#c0cbd5;max-width:520px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
  .btn-light{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 26px;background:#fff;color:var(--ink);font-size:14.5px;transition:background .2s}
  .btn-light:hover{background:#4faee6;color:#0a2436}
  .btn-line{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 26px;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:14.5px;transition:border-color .2s,background .2s}
  .btn-line:hover{border-color:#fff;background:rgba(255,255,255,.06)}
  .hero-facts{display:flex;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13)}
  .hero-facts > div{padding-right:46px}
  .hero-facts > div + div{border-left:1px solid rgba(255,255,255,.13);padding-left:46px}
  .hero-facts > div:last-child{padding-right:0}
  .hero-facts b{display:block;font-family:var(--num);font-size:27px;font-weight:600;color:#fff;line-height:1.15;letter-spacing:.01em}
  .hero-facts span{display:block;font-size:11.5px;color:#8999a5;margin-top:6px}
  .hero-visual{position:relative;display:grid;place-items:center;min-height:520px;isolation:isolate}
  .hero-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(155deg,#f8fafb 0%,#f3f6f8 52%,#e3e9ee 100%);border:1px solid rgba(255,255,255,.55);border-top:2px solid rgba(79,174,230,.6);box-shadow:0 34px 80px -46px rgba(0,0,0,.75);z-index:0}
  .dial{position:absolute;inset:0;width:100%;height:100%;z-index:1}
  .hero-visual .prod{position:relative;z-index:2;width:min(92%,560px);height:auto;mix-blend-mode:multiply}
  .hero-visual .vlabel{position:absolute;right:14px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;font-family:var(--num);font-size:10.5px;letter-spacing:.24em;color:#7c8b97;z-index:3}
  .hero-visual .reg{position:absolute;width:11px;height:11px;z-index:3;color:#b3c0ca}
  .reg.tl{left:6px;top:10px}.reg.tr{right:20px;top:10px}.reg.bl{left:6px;bottom:10px}.reg.br{right:20px;bottom:10px}
  .hero-visual .reg::before,.hero-visual .reg::after{content:"";position:absolute;background:currentColor}
  .reg::before{left:5px;top:0;width:1px;height:11px}
  .reg::after{top:5px;left:0;height:1px;width:11px}
  .hero-cap{position:absolute;left:22px;bottom:18px;font-size:12px;color:#33505f;letter-spacing:.04em;z-index:3;display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid rgba(11,42,63,.3);padding-bottom:4px;transition:color .2s,border-color .2s}
  .hero-cap:hover{color:var(--blue);border-color:var(--blue)}
  .hero-cap svg{width:13px;height:13px}
  .hero-wave{position:absolute;left:0;right:0;bottom:0;height:92px;z-index:1;pointer-events:none}
  .bub{transform-box:fill-box;transform-origin:center;animation:bob 6s ease-in-out infinite}
  @keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

  /* ---------- ticker ---------- */
  .ticker{background:#071b28;border-top:1px solid #0e3248;overflow:hidden;padding:15px 0}
  .ticker-track{display:flex;width:max-content;animation:marquee 52s linear infinite}
  .ticker:hover .ticker-track{animation-play-state:paused}
  .ticker-set{display:flex;flex:none}
  .ticker-set span{display:flex;align-items:center;font-size:13px;color:#92a0ac;letter-spacing:.06em;white-space:nowrap}
  .ticker-set span::after{content:"";width:3px;height:3px;border-radius:50%;background:#123a54;margin:0 26px}
  @keyframes marquee{to{transform:translateX(-50%)}}

  /* ---------- sections ---------- */
  .section{padding:96px 0}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
  .kicker{display:flex;align-items:center;gap:12px;font-size:11.5px;color:#005c96;letter-spacing:.14em;margin-bottom:14px;font-weight:500}
  .kicker::before{content:"";width:18px;height:1px;background:#006eb6}
  .section h2{font-size:clamp(26px,3vw,38px);line-height:1.24;letter-spacing:-.02em;font-weight:600;color:var(--ink)}
  .sec-desc{font-size:14px;color:var(--muted);margin-top:12px;max-width:540px;line-height:1.8}
  .link-u{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:3px;white-space:nowrap}
  .link-u:hover{color:var(--blue);border-color:var(--blue)}
  .link-u svg{width:13px;height:13px}

  /* ---------- products ---------- */
  .product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:52px 26px}
  .p-item{display:block;position:relative}
  .p-figure{position:relative;aspect-ratio:1;display:grid;place-items:center;margin-bottom:16px}
  .p-figure::after{content:"";position:absolute;left:14%;right:14%;bottom:7%;height:12px;background:radial-gradient(ellipse at center,rgba(6,22,29,.14),rgba(6,22,29,0) 72%);filter:blur(3px)}
  .p-figure img{position:relative;z-index:1;width:96%;height:96%;object-fit:contain;mix-blend-mode:multiply;transition:transform .5s var(--ease)}
  .p-item:hover .p-figure img{transform:translateY(-7px)}
  .p-model{font-family:var(--num);font-size:11.5px;letter-spacing:.1em;color:var(--blue)}
  .p-name{font-size:14px;line-height:1.6;color:var(--ink-2);margin:5px 0 12px;min-height:45px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .p-rule{height:1px;background:var(--line);position:relative;overflow:hidden}
  .p-rule::after{content:"";position:absolute;inset:0;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
  .p-item:hover .p-rule::after{transform:scaleX(1)}
  .p-meta{display:flex;align-items:center;justify-content:space-between;margin-top:12px;font-size:12px;color:var(--muted)}
  .p-meta .ask{color:var(--ink);display:inline-flex;align-items:center;gap:6px}
  .p-meta .ask svg{width:12px;height:12px;transition:transform .25s var(--ease)}
  .p-item:hover .p-meta .ask{color:var(--blue)}
  .p-item:hover .p-meta .ask svg{transform:translateX(3px)}
  .p-note{margin-top:38px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:10px}
  .p-note::before{content:"";width:22px;height:1px;background:var(--line)}

  /* ---------- frequency ---------- */
  .freq{background:linear-gradient(158deg,#0a5e9c 0%,#006eb6 58%,#00629f 100%);border-top:1px solid #006eb6;border-bottom:1px solid #00578f;padding:96px 0}
  .freq-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start}
  .freq-tabs{margin-top:34px;border-top:1px solid var(--line)}
  .freq-tab{width:100%;display:grid;grid-template-columns:auto 1fr;gap:6px 20px;align-items:center;padding:20px 2px 20px 18px;border-bottom:1px solid var(--line);text-align:left;position:relative;transition:background .2s}
  .freq-tab::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;background:var(--blue);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
  .freq-tab .khz{font-family:var(--num);font-size:25px;color:#8898a4;line-height:1;transition:color .2s,font-size .2s;grid-row:span 2}
  .freq-tab .lbl{font-size:15px;color:#5f707c;line-height:1.4;align-self:end}
  .freq-tab .sub{font-size:12px;color:#8a9aa6;line-height:1.4;align-self:start}
  .freq-tab[aria-selected="true"]{background:rgba(255,255,255,.7)}
  .freq-tab[aria-selected="true"]::before{transform:scaleY(1)}
  .freq-tab[aria-selected="true"] .khz{color:var(--blue);font-size:30px}
  .freq-tab[aria-selected="true"] .lbl{color:var(--ink);font-weight:600}
  .freq-tab:hover .lbl{color:var(--ink-2)}

  .stage{border:1px solid #d4dde4;background:#fff;padding:24px 26px 20px}
  .stage-head{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line)}
  .stage-head .t{font-size:12px;color:var(--muted);letter-spacing:.08em}
  .stage-head .f{font-family:var(--num);font-size:13px;color:var(--ink);letter-spacing:.06em}
  .stage svg{display:block;width:100%;height:auto}
  .stage-foot{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:#8a9aa6;padding-top:12px;border-top:1px solid var(--line);margin-top:6px}
  .bgroup{opacity:0;transition:opacity .45s var(--ease)}
  .bgroup.on{opacity:1}
  .wavepath{opacity:0;transition:opacity .45s var(--ease)}
  .wavepath.on{opacity:1}
  .freq-desc{margin-top:26px;font-size:14.5px;line-height:1.9;color:#3c4c58;max-width:560px;min-height:82px;transition:opacity .25s}
  .freq-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .freq-tags span{font-size:12px;color:var(--ink-2);border:1px solid var(--line);background:#fff;padding:5px 12px}


  /* frequency section on product blue */
  .freq .kicker{color:#bfe3ff}
  .freq .kicker::before{background:#bfe3ff}
  .freq h2{color:#fff}
  .freq .sec-desc{color:#cfe6f7}
  .freq-tab{border-bottom-color:rgba(255,255,255,.18)}
  .freq-tab::before{background:#bfe3ff}
  .freq-tab .khz{color:#8fc4e8}
  .freq-tab .lbl{color:#bcd9ee}
  .freq-tab .sub{color:#9dc4dd}
  .freq-tab:hover .lbl{color:#fff}
  .freq-tab[aria-selected="true"]{background:rgba(255,255,255,.1)}
  .freq-tab[aria-selected="true"] .khz{color:#fff}
  .freq-tab[aria-selected="true"] .lbl{color:#fff}
  .freq-desc{color:#d8eaf8}
  .freq-tags span{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}

  /* ---------- category index ---------- */
  #catalog{background:#fff;border-top:1px solid #dce5eb;border-bottom:1px solid #dce5eb}
  .idx-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 72px;border-top:1px solid var(--ink)}
  .idx-item{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;padding:17px 6px;border-bottom:1px solid var(--line);transition:padding .25s var(--ease),background .25s}
  .idx-item .no{font-family:var(--num);font-size:10.5px;color:#92a2ae;letter-spacing:.1em;transition:color .2s}
  .idx-item .nm{font-size:15px;color:var(--ink-2);transition:color .2s}
  .idx-item .ar{font-size:14px;color:var(--blue);opacity:0;transform:translateX(-8px);transition:opacity .25s,transform .25s var(--ease)}
  .idx-item:hover{background:#fff;padding-left:14px}
  .idx-item:hover .nm{color:var(--blue)}
  .idx-item:hover .no{color:var(--blue)}
  .idx-item:hover .ar{opacity:1;transform:none}

  /* ---------- news ---------- */
  .news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 72px}
  .news-col h3{display:flex;align-items:baseline;justify-content:space-between;font-size:13px;font-weight:500;letter-spacing:.12em;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--ink)}
  .news-col h3 a{font-size:11.5px;letter-spacing:.04em;color:var(--muted);border-bottom:1px solid transparent}
  .news-col h3 a:hover{color:var(--blue);border-color:var(--blue)}
  .n-item{display:grid;grid-template-columns:62px 1fr;gap:18px;align-items:baseline;padding:17px 0;border-bottom:1px solid var(--line);transition:padding .25s var(--ease)}
  .n-date{font-family:var(--num);font-size:12px;color:#8a9aa6;letter-spacing:.08em;transition:color .2s}
  .n-title{font-size:14.5px;line-height:1.65;color:var(--ink-2);transition:color .2s}
  .n-item:hover{padding-left:8px}
  .n-item:hover .n-title,.n-item:hover .n-date{color:var(--blue)}

  /* ---------- principle ---------- */
  .principle{background:radial-gradient(70% 90% at 100% 110%,rgba(79,174,230,.12) 0%,rgba(79,174,230,0) 55%),linear-gradient(160deg,#0b2a3f 0%,#0e3248 70%,#0a2436 100%);color:#fff;padding:96px 0;position:relative;overflow:hidden}
  .principle .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
  .principle h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.02em;font-weight:600;margin-bottom:18px}
  .principle .lead{font-size:14.5px;line-height:1.95;color:#9ab4c1;max-width:480px;margin-bottom:36px}
  .steps{border-top:1px solid rgba(255,255,255,.14)}
  .step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .step .no{font-family:var(--num);font-size:11px;color:#4faee6;letter-spacing:.12em;padding-top:4px}
  .step b{display:block;font-size:15px;color:#eaf3f6;font-weight:600;margin-bottom:4px}
  .step p{font-size:13px;line-height:1.75;color:#8898a4}
  .pdiagram{position:relative}
  .pdiagram svg{width:100%;height:auto}
  .pdiagram figcaption{font-size:11.5px;color:#7d8d99;margin-top:14px;letter-spacing:.04em}

  /* ---------- footer ---------- */
  .site-footer{background:#071b28;color:#7d8d99;padding:72px 0 0;font-size:13px}
  .foot-top{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:48px;padding-bottom:56px}
  .foot-mark{display:flex;align-items:center;gap:14px;font-size:30px;font-weight:600;color:#fff;letter-spacing:.1em;line-height:1.2}
  .foot-sub{font-size:11.5px;color:#5f6f7b;margin:8px 0 20px;letter-spacing:.06em}
  .foot-brand p{max-width:320px;line-height:1.9;color:#71818d}
  .foot-col h4{font-size:11.5px;font-weight:500;color:#5f6f7b;letter-spacing:.14em;margin-bottom:18px}
  .foot-col li{margin-bottom:11px}
  .foot-col a:hover{color:var(--glow)}
  .contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px;line-height:1.6}
  .contact svg{width:14px;height:14px;flex:none;margin-top:4px;color:#414f5b}
  .contact b{display:block;color:#f3f6f8;font-family:var(--num);font-size:14px;letter-spacing:.04em}
  .friendlinks{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;font-size:11.5px;line-height:2.1;color:#50606c}
  .friendlinks b{color:#5f6f7b;font-weight:500;margin-right:10px}
  .friendlinks a{color:#50606c;margin-right:16px}
  .friendlinks a:hover{color:#bbc7d1}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding:18px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11.5px;color:#50606c}
  .foot-bottom a:hover{color:#bbc7d1}

  /* ---------- drawer ---------- */
  .backdrop{position:fixed;inset:0;background:rgba(4,16,20,.55);z-index:98;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
  .backdrop.on{opacity:1;visibility:visible}
  .drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);background:#fff;z-index:99;transform:translateX(100%);transition:transform .35s var(--ease);display:flex;flex-direction:column}
  .drawer.on{transform:none}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
  .drawer-head img{width:104px}
  .drawer-brand{display:flex;align-items:center;gap:10px;color:#0b2a3f;font-size:17px;font-weight:600;letter-spacing:.12em}
  .drawer-brand svg{width:34px;height:34px;flex:none}
  .drawer-close{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-2)}
  .drawer-body{flex:1;overflow:auto;padding:6px 0}
  .drawer-body a{display:flex;align-items:center;justify-content:space-between;padding:15px 22px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
  .drawer-body a small{font-family:var(--num);font-size:10.5px;color:#9eacb8;letter-spacing:.1em}
  .drawer-foot{padding:18px 22px;border-top:1px solid var(--line);display:grid;gap:10px}
  .drawer-foot .btn-ink{justify-content:center;height:46px}

  .mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);padding:9px 12px calc(9px + env(safe-area-inset-bottom));grid-template-columns:1fr 1fr;gap:10px}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;height:44px;font-size:14px}
  .mobile-bar .call{background:var(--ink);color:#fff}
  .mobile-bar .quote{border:1px solid var(--ink);color:var(--ink)}
  .mobile-bar svg{width:15px;height:15px}

  /* ---------- responsive ---------- */
  @media (max-width:1120px){
    .site-header .wrap{gap:24px}
    .nav > li > a,.nav > li > button{padding:0 9px;font-size:14.5px}
    .hsearch input[type=text]{width:112px}
    .hero h1{font-size:clamp(32px,4.6vw,52px)}
    .freq-grid,.principle .wrap{gap:44px}
  }
  @media (max-width:980px){
    .site-header .wrap{height:68px;gap:16px}
    .nav{display:none}
    .head-tools{margin-left:auto}
    .burger{display:grid}
    .hero::after{display:none}
    .hero .wrap{grid-template-columns:1fr;gap:0;padding-top:52px;padding-bottom:0}
    .hero-copy{padding-right:0}
    .hero-facts > div{padding-right:32px}
    .hero-facts > div + div{padding-left:32px}
    .hero-visual{min-height:0;margin:36px -32px 0;padding:24px 32px 40px}
    .hero-visual .vlabel{display:none}
    .hero-visual .vlabel{color:#8898a4}
    .hero-visual .prod{width:min(78%,420px)}
    .hero-wave{opacity:.55}
    .product-grid{grid-template-columns:repeat(3,1fr)}
    .freq-grid{grid-template-columns:1fr;gap:40px}
    .principle .wrap{grid-template-columns:1fr;gap:44px}
    .foot-top{grid-template-columns:1fr 1fr;gap:36px}
  }
  @media (max-width:760px){
    body{font-size:14.5px}
    .wrap{padding:0 20px}
    .topline{display:none}
    .site-header .wrap{height:62px}
    .hsearch{height:36px;padding-left:8px}
    .hsearch input[type=text]{width:92px;font-size:12px}
    .hsearch button{width:32px;height:34px}
    .brand-mark{width:36px;height:36px}
    .brand-type b{font-size:17px}
    .brand-type i{display:none}
    .section{padding:64px 0}
    .freq{padding:64px 0}
    .principle{padding:64px 0}
    .hero .wrap{padding-top:40px}
    .hero-visual{margin:30px -20px 0;padding:18px 20px 34px}
    .hero h1{margin:18px 0 16px}
    .hero-sub{font-size:14px}
    .hero-cta{margin-top:24px}
    .btn-light,.btn-line{height:46px;padding:0 20px;font-size:14px}
    .hero-facts{margin-top:30px;flex-wrap:wrap}
    .hero-facts > div{padding-right:22px}
    .hero-facts > div + div{padding-left:22px}
    .hero-facts b{font-size:22px}
    .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:30px}
    .product-grid{grid-template-columns:1fr 1fr;gap:34px 16px}
    .p-name{font-size:13px;min-height:42px}
    .p-meta{font-size:11px}
    .idx-grid{grid-template-columns:1fr;gap:0}
    .idx-item{padding:14px 4px}
    .idx-item .nm{font-size:14px}
    .news-grid{grid-template-columns:1fr;gap:0}
    .news-col + .news-col{margin-top:40px}
    .freq-tabs{display:flex;gap:0;border-top:0;margin-top:24px;overflow:auto;scrollbar-width:none}
    .freq-tabs::-webkit-scrollbar{display:none}
    .freq-tab{flex:1 1 0;width:auto;display:block;border:1px solid var(--line);border-right:0;padding:12px 10px;background:#fff}
    .freq-tab:last-child{border-right:1px solid var(--line)}
    .freq-tab::before{display:none}
    .freq-tab .khz{display:block;font-size:20px;margin-bottom:4px}
    .freq-tab .lbl{display:block;font-size:12.5px}
    .freq-tab .sub{display:none}
    .freq-tab[aria-selected="true"]{background:var(--ink);color:#fff}
    .freq-tab[aria-selected="true"] .khz{color:var(--glow);font-size:20px}
    .freq-tab[aria-selected="true"] .lbl{color:#fff;font-weight:400}
    .freq-tab .khz{color:#0b2a3f}
    .freq-tab .lbl{color:#22313c}
    .stage{padding:16px 14px 12px}
    .freq-desc{font-size:14px;min-height:0}
    .foot-top{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
    .site-footer{padding-top:48px;padding-bottom:66px}
    .foot-brand p{max-width:none}
    .mobile-bar{display:grid}
    .section .link-u{font-size:12.5px}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    .ticker-track,.bub{animation:none}
    .p-figure img,.p-rule::after,.idx-item,.n-item,.freq-tab,.bgroup,.wavepath{transition:none}
  }

  /* ================= inner pages ================= */
  /* active product nav button on inner pages */
  .nav > li.has-mega > button.on{color:#fff}
  .nav > li.has-mega > button.on::after{transform:scaleX(1)}

  .page-head{
    position:relative;
    background:
      radial-gradient(70% 100% at 8% 108%,rgba(79,174,230,.18) 0%,rgba(79,174,230,0) 55%),
      linear-gradient(160deg,#0b2a3f 0%,#0d3148 55%,#0a2436 100%);
    color:#fff;
    padding:56px 0 50px;
    overflow:hidden;
  }
  .page-head.slim{padding:34px 0 30px}
  .page-head .crumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:12.5px;color:#9db9c9;letter-spacing:.02em}
  .page-head .crumb a{color:#cfe2ec;transition:color .2s}
  .page-head .crumb a:hover{color:#fff}
  .page-head .crumb span{color:#547184}
  .page-head h1{margin-top:14px;font-size:clamp(26px,3vw,40px);line-height:1.24;letter-spacing:-.02em;font-weight:600;color:#fff}
  .page-head .desc{margin-top:12px;max-width:760px;font-size:14px;line-height:1.85;color:#b9d2df}
  .page-head .meta{margin-top:16px;display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#94b2c3}

  .page-body{padding-top:56px;padding-bottom:96px}
  .layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}

  .side{display:flex;flex-direction:column;gap:22px;position:sticky;top:112px}
  .side-block{background:#fff;border:1px solid #dfe4e8;padding:22px 22px 14px}
  .side-block h3{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--muted);margin:0 0 12px}
  .side-block h3::before{content:"";width:14px;height:1px;background:#006eb6}
  .side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid #edf0f3;font-size:13.5px;color:#2f4350;transition:color .18s,padding-left .18s}
  .side-nav li:last-child a{border-bottom:0}
  .side-nav a:hover{color:#005c96;padding-left:4px}
  .side-nav a i{font-style:normal;color:#b9c8d2;font-size:12px}
  .side-contact{background:var(--ink);color:#bcd2df;padding:24px}
  .side-contact b{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:8px}
  .side-contact p{font-size:12.5px;line-height:1.8;color:#9fbac9;margin:0 0 14px}
  .side-contact .tel{display:block;font-family:var(--num);font-size:22px;letter-spacing:.04em;color:#fff;margin-bottom:14px}
  .side-contact .side-btn{display:flex;align-items:center;justify-content:center;height:42px;background:#006eb6;color:#fff;font-size:13.5px;transition:background .2s}
  .side-contact .side-btn:hover{background:#4faee6;color:#07202f}

  .content{min-width:0}
  .content-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
  .content-head h2{font-size:22px;color:var(--ink);letter-spacing:-.01em;font-weight:600}
  .content-head .count{font-size:12.5px;color:var(--muted)}
  .content .product-grid{grid-template-columns:repeat(3,1fr);gap:44px 22px}
  .p-noimg{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e2e8ec;color:#93a6b2;font-size:12px;padding:16px;text-align:center;margin-bottom:16px}

  /* pagination (CMS output: ul.pagelist) */
  .pager{margin-top:52px;display:flex;justify-content:center}
  .pager .pagelist,ul.pagelist{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;list-style:none;margin:0;padding:0}
  ul.pagelist li a,ul.pagelist li span{display:flex;min-width:38px;height:38px;align-items:center;justify-content:center;padding:0 11px;border:1px solid #d6dee4;background:#fff;color:#33485a;font-size:13px;font-family:var(--num)}
  ul.pagelist li a:hover{border-color:#006eb6;color:#006eb6}
  ul.pagelist li.active a,ul.pagelist li.active span{background:#006eb6;border-color:#006eb6;color:#fff}

  /* product detail */
  .pdp{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:start;padding-top:56px;padding-bottom:8px}
  .pdp-media{position:relative;background:#fff;border:1px solid #dfe4e8;padding:30px;display:flex;align-items:center;justify-content:center;min-height:380px}
  .pdp-media::before{content:"";position:absolute;left:10%;right:10%;bottom:8%;height:14px;background:radial-gradient(ellipse at center,rgba(11,42,63,.14),rgba(11,42,63,0) 72%);filter:blur(3px)}
  .pdp-media img{position:relative;z-index:1;width:100%;height:auto;max-height:520px;object-fit:contain;mix-blend-mode:multiply}
  .pdp-media .pdp-tag{position:absolute;left:18px;top:18px;font-family:var(--num);font-size:10.5px;letter-spacing:.14em;color:#005c96;border:1px solid #cfe0ea;background:#f2f7fa;padding:4px 8px;z-index:2}
  .pdp-info .cat{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#005c96;letter-spacing:.08em}
  .pdp-info .cat::before{content:"";width:16px;height:1px;background:#006eb6}
  .pdp-info h1{margin:14px 0 16px;font-size:clamp(23px,2.4vw,34px);line-height:1.32;letter-spacing:-.015em;color:var(--ink);font-weight:600}
  .pdp-info .desc{font-size:14.5px;line-height:1.95;color:#4d6270}
  .pdp-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 6px}
  .pdp-actions a{display:inline-flex;align-items:center;gap:9px;height:48px;padding:0 24px;font-size:14px;transition:background .2s,border-color .2s,color .2s}
  .pdp-actions .primary{background:#006eb6;color:#fff}
  .pdp-actions .primary:hover{background:#005c96}
  .pdp-actions .ghost{border:1px solid #c9d6df;color:var(--ink);background:#fff}
  .pdp-actions .ghost:hover{border-color:#006eb6;color:#005c96}
  .pdp-facts{margin-top:26px;padding-top:20px;border-top:1px solid #dfe4e8;display:grid;gap:11px;font-size:13px;color:#5f707c}
  .pdp-facts div{display:flex;gap:14px}
  .pdp-facts b{flex:none;width:64px;color:#8ba0ad;font-weight:400}
  .pdp-facts span{color:#2f4350}

  .section-lite{padding-top:72px;padding-bottom:72px}
  .sec-head-lite{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
  .sec-head-lite h2{font-size:24px;color:var(--ink);letter-spacing:-.01em;font-weight:600}
  .sec-head-lite .kicker{margin-bottom:8px}

  /* rich content */
  .rich{background:#fff;border:1px solid #dfe4e8;padding:40px 46px;margin-top:22px;color:#33485a;font-size:15px;line-height:2;overflow-x:auto}
  .rich h2{font-size:22px;line-height:1.4;margin:30px 0 12px;color:var(--ink);font-weight:600}
  .rich h3{font-size:18px;line-height:1.5;margin:24px 0 10px;color:var(--ink);font-weight:600}
  .rich h4{font-size:16px;margin:20px 0 8px;color:var(--ink)}
  .rich p{margin:12px 0}
  .rich img{max-width:100%;height:auto;margin:16px 0}
  .rich table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
  .rich th,.rich td{border:1px solid #dfe4e8;padding:10px 12px;text-align:left;vertical-align:top}
  .rich th{background:#f3f6f8;color:var(--ink);font-weight:600}
  .rich th p,.rich td p{margin:0;padding:0}
  .rich td{line-height:1.7}
  .rich ul,.rich ol{padding-left:22px;margin:12px 0}
  .rich li{margin:6px 0;list-style:disc}
  .rich a{color:#005c96;border-bottom:1px solid rgba(0,92,150,.28)}
  .rich strong{color:var(--ink)}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0}
  .table-wrap table{margin:0;min-width:560px}
  .table-wrap td:first-child,.table-wrap th:first-child{white-space:nowrap}

  /* article list */
  .art-list{border-top:1px solid #cfdae1}
  .art-list .item{display:grid;grid-template-columns:72px minmax(0,1fr);gap:24px;align-items:baseline;padding:20px 6px;border-bottom:1px solid #dfe4e8;transition:padding-left .2s,background .2s}
  .art-list .date{font-family:var(--num);font-size:12px;color:#8b9aa5;letter-spacing:.06em}
  .art-list .t{font-size:15.5px;line-height:1.65;color:#22313c;transition:color .2s}
  .art-list .more{display:none}
  .art-list .item:hover{padding-left:12px;background:#fff}
  .art-list .item:hover .t{color:#005c96}

  /* article detail */
  .art-head{background:#fff;border:1px solid #dfe4e8;padding:42px 46px 32px}
  .art-head .cat{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#005c96;letter-spacing:.08em}
  .art-head .cat::before{content:"";width:16px;height:1px;background:#006eb6}
  .art-head h1{margin:14px 0 18px;font-size:clamp(23px,2.5vw,34px);line-height:1.4;color:var(--ink);font-weight:600;letter-spacing:-.01em}
  .art-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#7b8b97;border-top:1px solid #eef1f3;padding-top:15px}
  .art-body{background:#fff;border:1px solid #dfe4e8;border-top:0;padding:34px 46px 44px}
  .art-body .rich{border:0;background:none;padding:0;margin:0}
  .prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
  .prevnext a,.prevnext span{display:block;background:#fff;border:1px solid #dfe4e8;padding:14px 18px;font-size:13.5px;color:#40525f;line-height:1.6}
  .prevnext a:hover{color:#005c96;border-color:#b9d3e3}
  .prevnext span{color:#9bacb7}

  /* search */
  .search-box{display:flex;gap:12px;background:#fff;border:1px solid #dfe4e8;padding:22px;margin-bottom:28px}
  .search-box input{flex:1;min-width:0;height:48px;border:1px solid #d6dee4;padding:0 16px;font:inherit;font-size:14px;color:var(--ink);background:#fff}
  .search-box input:focus{outline:none;border-color:#006eb6}
  .search-box button{height:48px;padding:0 28px;background:#006eb6;color:#fff;border:0;font-size:14px;cursor:pointer}
  .search-box button:hover{background:#005c96}
  .search-result{display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px;background:#fff;border:1px solid #dfe4e8;padding:20px 24px;margin-bottom:14px;align-items:center}
  .search-result img{width:100%;height:100px;object-fit:contain;mix-blend-mode:multiply}
  .search-result h2{margin:0 0 8px;font-size:16px;font-weight:600;line-height:1.5}
  .search-result h2 a{color:var(--ink)}
  .search-result h2 a:hover{color:#005c96}
  .search-result p{margin:0;font-size:13px;line-height:1.75;color:#64737e}
  .empty{padding:64px 0;text-align:center;color:#7b8b97;font-size:14px;background:#fff;border:1px solid #dfe4e8}

  /* msg / 404 */
  .msg-page{display:flex;align-items:center;justify-content:center;padding-top:96px;padding-bottom:120px}
  .msg-card{width:100%;max-width:620px;background:#fff;border:1px solid #dfe4e8;padding:52px 44px;text-align:center}
  .msg-card .nf-code{font-family:var(--num);font-size:64px;line-height:1;color:#006eb6;letter-spacing:.04em;margin-bottom:18px}
  .msg-card .big{font-size:19px;line-height:1.6;color:var(--ink);margin-bottom:16px}
  .msg-card p{margin:0 0 22px;font-size:13.5px;color:#64737e}
  .msg-card a{color:#005c96;text-decoration:underline}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .contact-item{background:#fff;border:1px solid #dfe4e8;padding:22px 24px}
  .contact-item span{display:block;font-size:11.5px;letter-spacing:.1em;color:#7b8b97;margin-bottom:8px}
  .contact-item b{display:block;font-family:var(--num);font-size:19px;letter-spacing:.03em;color:var(--ink);font-weight:600;line-height:1.4}
  .contact-item a{color:var(--ink)}
  .contact-item a:hover{color:#005c96}



  /* ---------- quotation page ---------- */
  .quote-index{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
  .quote-index a{font-size:12.5px;padding:6px 12px;border:1px solid #cfdae1;background:#f7fafc;color:#2f4350;transition:border-color .18s,color .18s,background .18s}
  .quote-index a:hover{border-color:#006eb6;color:#005c96;background:#fff}
  .price-tables h3{font-size:17px;margin:32px 0 8px;padding-left:11px;border-left:3px solid #006eb6;color:var(--ink);font-weight:600}
  .price-tables h3:first-of-type{margin-top:0}
  .price-tables .freq-note{margin:0 0 10px 14px;font-size:12px;color:#7b8b97;letter-spacing:.02em}
  .price-tables table{font-size:12.5px}
  .price-tables th,.price-tables td{padding:7px 9px;white-space:nowrap}
  .price-tables th{background:#eef3f7}
  .price-tables a{color:#005c96;border-bottom:1px solid rgba(0,92,150,.28);transition:color .18s,border-color .18s}
  .price-tables a:hover{color:#006eb6;border-color:#006eb6}
  .price-tables .stop{color:#a06a6a;font-size:11.5px;white-space:nowrap}

  /* ---------- corporate page ---------- */
  .corp-intro{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-bottom:48px}
  .corp-lead{font-size:clamp(21px,2.4vw,30px);line-height:1.55;letter-spacing:-.01em;color:var(--ink);margin:8px 0 0;font-weight:500}
  .corp-lead em{font-style:normal;color:#005c96}
  .corp-copy p{font-size:14.5px;line-height:2;color:#4d6270;margin:0 0 14px}
  .fact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
  .fact-cell{border-top:2px solid #006eb6;padding-top:12px}
  .fact-cell b{display:block;font-size:13px;color:var(--ink);margin-bottom:5px}
  .fact-cell span{display:block;font-size:11.5px;color:#7b8b97;line-height:1.7}
  .biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .biz-card{background:#fff;border:1px solid #dfe4e8;padding:22px 24px}
  .biz-card:last-child{grid-column:span 2}
  .biz-card .no{font-family:var(--num);font-size:10.5px;letter-spacing:.14em;color:#006eb6}
  .biz-card h3{font-size:15.5px;margin:8px 0 6px;color:var(--ink);font-weight:600}
  .biz-card p{font-size:12.8px;line-height:1.85;color:#5f707c;margin:0}
  .quote-band{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:start;background:linear-gradient(150deg,#0b2a3f,#0a2436);padding:34px 40px;margin-top:48px;color:#c1d6e3}
  .quote-band .mark{font-family:var(--num);font-size:40px;line-height:.9;color:#4faee6}
  .quote-band p{margin:0;font-size:14px;line-height:2}
  .quote-band strong{color:#fff;font-weight:600}

  /* ---------- call to action ---------- */
  .cta-band{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#006eb6;padding:26px 36px;margin-top:24px;color:#fff}
  .cta-band h3{margin:0 0 5px;font-size:19px;color:#fff;font-weight:600}
  .cta-band p{margin:0;font-size:12.5px;color:#cfe6f7}
  .cta-band a{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#0b2a3f;height:44px;padding:0 22px;font-size:13.5px;white-space:nowrap;transition:background .2s,color .2s}
  .cta-band a:hover{background:#0b2a3f;color:#fff}
  .cta-band svg{width:14px;height:14px}

  /* ---------- contact page ---------- */
  .contact-lead{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;margin-top:24px}
  .info-card{background:#fff;border:1px solid #dfe4e8;padding:28px}
  .info-card h2{margin:0 0 16px;font-size:18px;color:var(--ink);font-weight:600}
  .checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
  .checklist li{position:relative;padding-left:18px;font-size:14px;color:#40525f;line-height:1.7}
  .checklist li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:#006eb6}
  .info-note{margin:18px 0 0;padding-top:16px;border-top:1px solid #eef1f3;font-size:13px;color:#7b8b97;line-height:1.8}
  .qr-card{background:#fff;border:1px solid #dfe4e8;padding:24px;text-align:center}
  .qr-card img{width:150px;height:150px;object-fit:contain;margin:0 auto 12px}
  .qr-card b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:3px}
  .qr-card span{font-size:12px;color:#7b8b97}
  .ship-note{margin-top:14px;background:#fff;border:1px solid #dfe4e8;padding:18px 22px;font-size:12.5px;line-height:1.9;color:#5f707c}

  @media (max-width:980px){
    .corp-intro{grid-template-columns:1fr;gap:28px}
    .biz-grid{grid-template-columns:1fr 1fr}
    .biz-card:last-child{grid-column:span 2}
    .contact-lead{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  }
  @media (max-width:760px){
    .biz-grid{grid-template-columns:1fr}
    .biz-card:last-child{grid-column:auto}
    .fact-row{grid-template-columns:1fr;gap:10px}
    .quote-band{grid-template-columns:1fr;gap:14px;padding:26px 24px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:24px}
    .cta-band a{width:100%;justify-content:center}
    .qr-card img{width:130px;height:130px}
    .price-tables th,.price-tables td{padding:6px 7px;font-size:12px}
  }

  @media (max-width:980px){
    .layout{grid-template-columns:1fr;gap:32px}
    .side{position:static;flex-direction:row;flex-wrap:wrap}
    .side-block,.side-contact{flex:1 1 260px}
    .pdp{grid-template-columns:1fr;gap:32px;padding-top:32px}
    .section-lite{padding-top:44px;padding-bottom:44px}
    .content .product-grid{grid-template-columns:repeat(3,1fr)}
    .rich,.art-body,.art-head{padding:28px 26px}
  }
  @media (max-width:760px){
    .page-head{padding:38px 0 32px}
    .page-body{padding-top:36px;padding-bottom:64px}
    .content .product-grid{grid-template-columns:1fr 1fr;gap:28px 14px}
    .prevnext{grid-template-columns:1fr}
    .search-result{grid-template-columns:84px minmax(0,1fr);gap:16px;padding:16px}
    .search-result img{height:84px}
    .contact-grid{grid-template-columns:1fr}
    .contact-item{padding:18px 20px}
    .contact-item b{font-size:17px}
    .layout{display:flex;flex-direction:column;gap:28px}
    .content{order:1;width:100%}
    .side{order:2;width:100%;flex-direction:column}
    .side-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
    .side-nav a{padding:8px 0;font-size:12.5px}
    .table-wrap table{min-width:520px}
    .rich th,.rich td{padding:8px 10px;font-size:12.5px}
    .pdp-media{min-height:0;padding:18px}
    .pdp-actions a{flex:1 1 46%;justify-content:center;padding:0 12px}
  }