*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:#12244a;background:#fff;line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1560px,calc(100% - 48px));margin:auto}.topbar{height:76px;background:#fff;display:flex;align-items:center;border-bottom:1px solid #e8eef8;box-shadow:0 2px 8px rgba(20,56,120,.04);position:relative;z-index:10}.topbar .container{display:flex;align-items:center;justify-content:space-between;overflow:visible}.brand{display:flex;align-items:center;gap:26px;transform:translateX(-1mm);overflow:visible;white-space:nowrap}.brand-mark{position:relative;display:inline-block;padding:0 8px 8px 0;font-size:48px;line-height:1;font-weight:900;font-style:italic;letter-spacing:-1px;background:linear-gradient(180deg,#3490ff 0%,#1b6ff0 52%,#0b49c8 100%);-webkit-background-clip:text;background-clip:text;color:transparent;overflow:visible;white-space:nowrap;text-rendering:geometricPrecision;transform:skewX(-8deg);filter:drop-shadow(0 2px 0 rgba(255,255,255,.32)) drop-shadow(0 8px 14px rgba(24,102,226,.18))}.brand-mark:after{content:"";position:absolute;left:4px;bottom:1px;width:68%;height:4px;border-radius:999px;background:linear-gradient(90deg,#3ea0ff,#1768e8);box-shadow:0 2px 6px rgba(23,104,232,.25)}.brand-domain{font-size:20px;font-weight:800;color:#172b51;border-left:1px solid #d7e0ef;padding-left:20px;letter-spacing:.2px}.top-slogan{font-size:16px;font-weight:700;color:#263c67;letter-spacing:2px;display:flex;align-items:center;gap:10px}.shield{width:25px;height:29px;border:3px solid #1768e8;border-radius:8px 8px 11px 11px;display:inline-flex;align-items:center;justify-content:center;color:#1768e8;font-size:12px}.hero{position:relative;min-height:424px;background:#1261d7 url('../images/hero-bg.webp') center/cover no-repeat;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,50,133,.02) 0%,rgba(17,88,194,.02) 54%,rgba(19,91,202,.30) 100%);pointer-events:none}.hero .container{min-height:424px;display:flex;align-items:center;justify-content:flex-end;position:relative;z-index:2}.login-card{width:420px;background:rgba(255,255,255,.97);border-radius:20px;padding:28px 30px 26px;box-shadow:0 20px 55px rgba(8,45,115,.28);border:1px solid rgba(255,255,255,.6);backdrop-filter:blur(10px);margin-right:7.5%}.login-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}.user-badge{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#2f79f4,#1657d9);display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px rgba(28,96,224,.25)}.user-badge svg{width:30px;height:30px}.login-head h1{font-size:24px;color:#1157cf;margin:0;font-weight:800}.login-head p{font-size:13px;color:#8b96aa;margin:2px 0 0}.field{position:relative;margin-bottom:14px}.field input{width:100%;height:48px;border:1px solid #d8e0ed;border-radius:7px;padding:0 44px 0 48px;font-size:15px;outline:none;background:#fff;color:#1a2b4c;transition:.2s}.field input:focus{border-color:#2b70e8;box-shadow:0 0 0 4px rgba(43,112,232,.10)}.field .icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#7184a6;width:20px;height:20px}.toggle-pass{position:absolute;right:14px;top:50%;transform:translateY(-50%);border:0;background:none;color:#7b8ba7;cursor:pointer;padding:5px}.login-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;margin:3px 0 18px;color:#52657f}.remember{display:flex;gap:8px;align-items:center;cursor:pointer}.remember input{accent-color:#1768e8}.forgot{color:#1768e8;cursor:pointer}.login-btn{width:100%;height:49px;border:0;border-radius:6px;background:linear-gradient(90deg,#1658dd,#1b6fe8);color:#fff;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 8px 18px rgba(22,89,221,.20);transition:.2s}.login-btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(22,89,221,.27)}.login-btn:disabled{opacity:.65;cursor:not-allowed;transform:none}.login-tip{height:22px;margin-top:10px;font-size:13px;text-align:center;color:#7789a7}.login-tip.error{color:#d33a3a}.login-tip.success{color:#14804a}.products-section{padding:24px 0 16px;background:linear-gradient(#fff,#fbfdff)}.section-title{text-align:center;margin-bottom:20px}.section-title h2{font-size:32px;margin:0;color:#0d2e67;letter-spacing:1px;font-weight:900}.section-title h2:before,.section-title h2:after{content:"";display:inline-block;width:125px;height:1px;background:linear-gradient(90deg,transparent,#1768e8);vertical-align:middle;margin:0 28px}.section-title h2:after{background:linear-gradient(90deg,#1768e8,transparent)}.section-title p{margin:4px 0 0;color:#7a879c;font-size:15px}.product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.product-card{border:1px solid #e2e9f5;border-radius:15px;background:#fff;padding:14px 14px 16px;box-shadow:0 7px 21px rgba(31,70,125,.08);transition:.25s;min-width:0}.product-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(31,70,125,.16);border-color:#c7d9f8}.product-img-wrap{height:145px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#fff,#fbfcff);border-radius:11px;overflow:hidden}.product-img-wrap img{width:100%;height:100%;object-fit:cover}.product-card h3{text-align:center;font-size:17px;margin:10px 0 4px;color:#15294e}.product-card p{text-align:center;color:#7e899b;font-size:12px;line-height:1.7;min-height:42px;margin:0 0 10px}.detail-btn{height:34px;border:1px solid #bad1f9;background:#f5f9ff;color:#1761da;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;gap:22px}.product-card:hover .detail-btn{background:#1768e8;color:#fff;border-color:#1768e8}.footer{margin-top:12px;background:#f6f9fe;border-top:1px solid #e7edf6;padding:18px 0 12px}.footer-row{display:grid;grid-template-columns:1.55fr .9fr .95fr .9fr .9fr;gap:20px;align-items:center}.footer-company{min-width:0}.company-name{font-size:17px;font-weight:800;color:#1b3159;white-space:nowrap}.company-desc{font-size:12px;color:#74829a;margin-top:2px;white-space:nowrap}.footer-item{display:flex;align-items:center;gap:10px;min-width:0}.footer-icon{width:36px;height:36px;border-radius:50%;background:#eaf2ff;color:#1768e8;display:grid;place-items:center;font-size:18px;flex:0 0 auto}.footer-label{font-size:12px;color:#8792a5;white-space:nowrap}.footer-value{font-size:15px;color:#263a5f;font-weight:700;white-space:nowrap}.footer-qr-inline{display:flex;align-items:center;gap:10px;min-width:0}.footer-qr-inline img{width:74px;height:74px;object-fit:contain;background:#fff;border:1px solid #dfe8f5;border-radius:10px;padding:3px;box-shadow:0 5px 14px rgba(31,70,125,.06);flex:0 0 auto}.footer-qr-label-inline{font-size:13px;font-weight:700;color:#2a4068;white-space:nowrap}.copyright{text-align:center;border-top:1px solid #e5ebf4;margin-top:14px;padding-top:9px;color:#94a0b1;font-size:12px}
/* product detail */.detail-header{height:72px;border-bottom:1px solid #e6edf7;background:#fff}.detail-header .container{height:100%;display:flex;align-items:center;justify-content:space-between}.back-home{padding:8px 16px;border:1px solid #c9d9f2;border-radius:8px;color:#1b63d6;font-weight:700}.detail-hero{background:linear-gradient(135deg,#0b3f9a,#1872e8);color:#fff;padding:58px 0;position:relative;overflow:hidden}.detail-hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-180px;top:-320px;box-shadow:0 0 0 80px rgba(255,255,255,.035),0 0 0 160px rgba(255,255,255,.025)}.detail-hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative}.detail-kicker{font-size:14px;letter-spacing:3px;opacity:.75}.detail-hero h1{font-size:46px;margin:8px 0 12px;line-height:1.15}.detail-hero p{font-size:17px;max-width:650px;opacity:.9}.detail-product-image{background:#fff;border-radius:24px;padding:28px;box-shadow:0 25px 60px rgba(0,24,80,.28)}.detail-product-image img{width:100%;height:300px;object-fit:contain}.detail-body{padding:54px 0 60px}.detail-body .container{display:grid;grid-template-columns:1fr 1fr;gap:48px}.detail-box{border:1px solid #e0e8f4;border-radius:16px;padding:26px;background:#fff;box-shadow:0 8px 24px rgba(28,67,122,.06)}.detail-box h2{margin:0 0 16px;color:#153364}.feature-list{list-style:none;margin:0;padding:0}.feature-list li{padding:12px 0 12px 30px;border-bottom:1px dashed #e3e9f2;position:relative;color:#455a78}.feature-list li:last-child{border-bottom:0}.feature-list li:before{content:"✓";position:absolute;left:0;top:12px;width:20px;height:20px;border-radius:50%;background:#e9f2ff;color:#1768e8;display:grid;place-items:center;font-weight:800;font-size:12px}.contact-strip{grid-column:1/-1;background:linear-gradient(90deg,#f3f7ff,#eef5ff);border:1px solid #dce8fb;border-radius:16px;padding:22px 26px;display:flex;align-items:center;justify-content:space-between}.contact-strip strong{font-size:20px;color:#153364}.contact-strip a{background:#1768e8;color:#fff;padding:11px 22px;border-radius:8px;font-weight:700}
@media(max-width:1280px){.product-grid{grid-template-columns:repeat(3,1fr)}.login-card{margin-right:2%}.hero{background-position:42% center}.product-img-wrap{height:170px}}
@media(max-width:850px){.container{width:min(100% - 28px,760px)}.topbar{height:66px}.brand-mark{font-size:34px}.brand-domain{font-size:14px}.top-slogan{display:none}.hero{min-height:auto;padding:36px 0;background-position:28% center}.hero .container{min-height:0;justify-content:center}.hero:before{content:"";position:absolute;inset:0;background:rgba(8,72,172,.35)}.login-card{margin:0;width:min(100%,420px)}.product-grid{grid-template-columns:repeat(2,1fr)}.section-title h2:before,.section-title h2:after{display:none}.footer-main{grid-template-columns:1fr}.footer-qr-grid{gap:18px}.footer-qr-card{width:156px}.detail-hero .container,.detail-body .container{grid-template-columns:1fr}.detail-hero h1{font-size:36px}.contact-strip{flex-direction:column;gap:15px;align-items:flex-start}.detail-product-image img{height:240px}}
@media(max-width:520px){.brand-domain{display:none}.brand-mark{font-size:32px}.hero{padding:26px 0}.login-card{padding:24px 20px}.product-grid{grid-template-columns:1fr}.product-img-wrap{height:190px}.section-title h2{font-size:27px}.footer-qr-title{font-size:16px}.footer-qr-grid{gap:14px}.footer-qr-card{width:min(100%,220px)}.detail-hero{padding:42px 0}.detail-hero h1{font-size:31px}.detail-body{padding:34px 0}.detail-box{padding:20px}}

/* Two login methods: User / Device */
.login-tabs{display:grid;grid-template-columns:1fr 1fr;margin:-2px 0 18px;border-bottom:1px solid #dce6f5;gap:0}
.login-tab{position:relative;height:42px;border:0;background:transparent;color:#74839b;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;padding:0 8px}
.login-tab:hover{color:#1768e8}
.login-tab.active{color:#1768e8}
.login-tab.active:after{content:"";position:absolute;left:24%;right:24%;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,#1658dd,#2d7af1)}
@media(max-width:520px){.login-tabs{margin-bottom:16px}.login-tab{height:40px;font-size:14px}}

/* V6: login panel slightly taller than V5; login behavior unchanged */
.login-card{padding:24px 28px 22px}
.login-head{gap:12px;margin-bottom:12px}
.user-badge{width:44px;height:44px;box-shadow:0 8px 18px rgba(28,96,224,.22)}
.user-badge svg{width:25px;height:25px}
.login-head h1{font-size:22px;line-height:1.2}
.login-head p{font-size:12px;line-height:1.35;margin:2px 0 0}
.login-tabs{margin:0 0 12px}
.login-tab{height:36px;font-size:14px}
.login-tab.active:after{height:2px}
.field{margin-bottom:9px}
.field input{height:43px;border-radius:6px;padding:0 40px 0 43px;font-size:14px}
.field .icon{left:14px;width:18px;height:18px}
.toggle-pass{right:11px;padding:4px}
.login-row{font-size:12px;margin:2px 0 11px;line-height:20px}
.remember{gap:6px}
.login-btn{height:43px;border-radius:6px;font-size:15px;box-shadow:0 6px 15px rgba(22,89,221,.19)}
.login-tip{height:18px;line-height:18px;margin-top:7px;font-size:12px}

@media(max-width:850px){
  .login-card{padding:22px 24px 20px}
}
@media(max-width:520px){
  .login-card{padding:20px 18px 18px}
  .login-head{margin-bottom:8px}
  .login-tabs{margin-bottom:8px}
  .login-tab{height:34px;font-size:13px}
  .field input{height:40px}
  .login-btn{height:41px}
}


/* V14: refine top-left TIRVIP logo */
@media(max-width:850px){.brand{transform:none;gap:16px}.brand-mark{font-size:38px;padding:0 4px 6px 0;letter-spacing:0}.brand-mark:after{height:3px;bottom:1px}}
@media(max-width:520px){.brand{gap:12px}.brand-mark{font-size:34px;padding:0 2px 5px 0}.brand-mark:after{height:3px;width:62%}}



/* V18 footer: company, phone, website and QR codes in one row */
@media(max-width:1180px){.footer-row{grid-template-columns:1.35fr .8fr .9fr .75fr .75fr;gap:14px}.company-name{font-size:15px}.company-desc{font-size:11px}.footer-value{font-size:13px}.footer-qr-inline img{width:64px;height:64px}.footer-qr-label-inline{font-size:12px}}
@media(max-width:850px){.footer-row{grid-template-columns:1fr 1fr;gap:18px}.footer-company{grid-column:1/-1}.company-name,.company-desc{white-space:normal}.footer-qr-inline img{width:72px;height:72px}}
@media(max-width:520px){.footer-row{grid-template-columns:1fr}.footer-company{grid-column:auto}.footer-qr-inline img{width:84px;height:84px}}

/* V19: friendly links */
.friend-links{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:14px;padding-top:10px;border-top:1px solid #e5ebf4;font-size:13px;color:#71809a}.friend-title{font-weight:700;color:#536780}.friend-links a{color:#2f65b8;transition:.2s}.friend-links a:hover{color:#1768e8;text-decoration:underline}.friend-sep{color:#c2ccda}.friend-links+.copyright{border-top:0;margin-top:4px;padding-top:4px}
@media(max-width:520px){.friend-links{gap:7px;font-size:12px;line-height:1.8}.friend-title{width:100%;text-align:center}.friend-sep{display:none}}


/* v20 footer sync: desktop footer stays in one row on home and product detail pages */
@media (min-width: 901px){
  .footer-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:18px}
  .footer-company{flex:1 1 auto;min-width:250px}
  .footer-item,.footer-qr-inline{flex:0 0 auto}
}
@media (min-width: 901px) and (max-width: 1180px){
  .footer-row{gap:12px}
  .footer-company{min-width:210px}
  .footer-qr-inline img{width:60px;height:60px}
  .footer-qr-label-inline{font-size:11px}
}

/* product detail carousel */
.detail-gallery{padding:22px}
.gallery-viewport{position:relative;overflow:hidden;border-radius:18px;background:#fff}
.gallery-track{display:flex;transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.gallery-slide{min-width:100%;margin:0;display:flex;align-items:center;justify-content:center}
.gallery-slide img{width:100%;height:300px;object-fit:contain}
.gallery-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(12,28,55,.72);color:#fff;font-size:30px;line-height:1;display:grid;place-items:center;cursor:pointer;z-index:2}
.gallery-arrow.prev{left:12px}
.gallery-arrow.next{right:12px}
.gallery-arrow:hover{background:#1768e8}
.gallery-dots{display:flex;justify-content:center;gap:8px;margin:14px 0 12px}
.gallery-dot{width:8px;height:8px;border:0;padding:0;border-radius:50%;background:#c6cfdd;cursor:pointer;transition:.2s}
.gallery-dot.is-active{width:26px;border-radius:999px;background:#1768e8}
.gallery-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gallery-thumb{height:88px;padding:8px;background:#fff;border:1px solid #dfe7f3;border-radius:10px;cursor:pointer;overflow:hidden}
.gallery-thumb img{width:100%;height:100%;object-fit:contain}
.gallery-thumb.is-active{border:2px solid #1768e8;box-shadow:0 0 0 3px rgba(23,104,232,.1)}
@media(max-width:850px){.gallery-slide img{height:240px}}
@media(max-width:520px){.detail-gallery{padding:16px}.gallery-thumb{height:70px}.gallery-arrow{width:36px;height:36px;font-size:26px}.gallery-arrow.prev{left:8px}.gallery-arrow.next{right:8px}}

/* product image magnifier */
@media (hover:hover) and (pointer:fine){
  .gallery-viewport{cursor:zoom-in}
  .product-zoom-lens{
    position:absolute;z-index:6;display:none;pointer-events:none;
    border:2px solid rgba(23,104,232,.9);border-radius:8px;
    background:rgba(68,137,245,.16);box-shadow:0 2px 10px rgba(10,56,128,.15)
  }
  .product-zoom-lens.is-visible{display:block}
  .product-zoom-preview{
    position:fixed;z-index:9999;display:none;pointer-events:none;
    background-color:#fff;background-repeat:no-repeat;
    border:1px solid #d8e3f2;border-radius:16px;
    box-shadow:0 20px 55px rgba(10,38,92,.24)
  }
  .product-zoom-preview.is-visible{display:block}
}

/* v32 richer product detail content */
.detail-box.detail-wide{grid-column:1/-1}
.detail-box.detail-wide p{margin:0 0 12px;color:#455a78;line-height:1.9}
.detail-box.detail-wide p:last-child{margin-bottom:0}
.scene-tags{display:flex;flex-wrap:wrap;gap:10px}
.scene-tags span{display:inline-flex;align-items:center;min-height:34px;padding:6px 12px;border-radius:999px;background:#f2f7ff;border:1px solid #dce9fb;color:#2f527e;font-size:13px;font-weight:600}
.detail-spec-list{border:1px solid #e3eaf4;border-radius:10px;overflow:hidden}
.detail-spec-row{display:grid;grid-template-columns:42% 58%;border-bottom:1px solid #e7edf5;min-height:42px}
.detail-spec-row:last-child{border-bottom:0}
.detail-spec-key,.detail-spec-value{display:flex;align-items:center;padding:9px 11px;font-size:13px;line-height:1.5}
.detail-spec-key{background:#f7f9fc;color:#6b7890;font-weight:700}
.detail-spec-value{color:#31445f;background:#fff}
@media(max-width:850px){.detail-box.detail-wide{grid-column:auto}.detail-spec-row{grid-template-columns:38% 62%}}
@media(max-width:520px){.detail-spec-row{grid-template-columns:1fr}.detail-spec-key{padding-bottom:4px}.detail-spec-value{padding-top:4px}.scene-tags{gap:8px}.scene-tags span{font-size:12px}}

/* v34 login compatibility */
.login-card [data-password-toggle]{width:auto;min-width:48px;padding:0 8px;font-size:12px;font-weight:700;color:#1768e8;background:transparent;border:0;cursor:pointer}.login-card [data-login-status][hidden]{display:none}.login-card [data-login-submit-text]{pointer-events:none}


/* v35 multilingual navigation */
.top-actions{display:flex;align-items:center;justify-content:flex-end;gap:18px;min-width:0}
.lang-switch{display:inline-flex;align-items:center;gap:4px;padding:4px;background:#f1f5fb;border:1px solid #dbe5f3;border-radius:10px;white-space:nowrap}
.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:4px 9px;border-radius:7px;color:#61718b;font-size:12px;font-weight:800;line-height:1;transition:.2s}
.lang-switch a:hover{color:#1768e8;background:#fff}
.lang-switch a.active{background:#1768e8;color:#fff;box-shadow:0 3px 9px rgba(23,104,232,.2)}
.detail-actions{display:flex;align-items:center;gap:12px}
html[lang="en"] .product-card h3,html[lang="ru"] .product-card h3{font-size:15px;line-height:1.35;min-height:41px;display:flex;align-items:center;justify-content:center}
html[lang="ru"] .product-card h3{font-size:14px}
html[lang="en"] .product-card p,html[lang="ru"] .product-card p{min-height:62px}
html[lang="en"] .company-name,html[lang="ru"] .company-name{font-size:14px}
html[lang="en"] .company-desc,html[lang="ru"] .company-desc{font-size:11px}
html[lang="ru"] .detail-hero h1{font-size:39px}
html[lang="ru"] .contact-strip strong{font-size:18px}
@media(max-width:1180px){.top-actions{gap:10px}.lang-switch a{padding:4px 7px;font-size:11px}html[lang="en"] .company-name,html[lang="ru"] .company-name{font-size:12px}html[lang="en"] .company-desc,html[lang="ru"] .company-desc{font-size:10px}}
@media(max-width:850px){.top-actions{gap:6px}.lang-switch{padding:3px}.lang-switch a{min-height:28px;padding:3px 6px;font-size:10px}.detail-actions{gap:8px}.detail-actions .back-home{padding:7px 10px;font-size:12px}html[lang="ru"] .detail-hero h1{font-size:32px}}
@media(max-width:520px){.topbar .container{gap:8px}.lang-switch a{padding:3px 5px}.detail-header{height:auto;min-height:72px;padding:8px 0}.detail-header .brand-domain{display:none}.detail-actions{flex-direction:column-reverse;align-items:flex-end;gap:5px}.detail-actions .back-home{padding:5px 9px}.detail-actions .lang-switch a{font-size:9px;padding:3px 4px}html[lang="en"] .product-card h3,html[lang="ru"] .product-card h3{min-height:0}}


/* SEO + AI semantic sections v36 */
.seo-overview{background:#fff;padding:42px 0 26px;border-bottom:1px solid #edf2f8}
.seo-overview-inner{max-width:1180px;text-align:center}
.seo-eyebrow{display:inline-block;color:#1768e8;font-size:12px;font-weight:800;letter-spacing:1.2px;margin-bottom:7px}
.seo-overview h1{font-size:32px;line-height:1.28;color:#132d58;margin:0 0 12px}
.seo-overview p{max-width:1040px;margin:0 auto;color:#65748b;font-size:15px;line-height:1.9}
.seo-home-faq,.seo-product-faq,.seo-related{padding:48px 0;background:#fff}
.seo-home-faq{background:#f7f9fd;border-top:1px solid #edf1f7}
.seo-home-faq h2,.seo-product-faq h2,.seo-related h2{margin:0 0 22px;text-align:center;color:#153364;font-size:27px}
.seo-faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.seo-faq-item{border:1px solid #dfe7f2;border-radius:12px;background:#fff;padding:0 18px}
.seo-faq-item summary{cursor:pointer;font-weight:750;color:#1b3159;padding:17px 0;line-height:1.5}
.seo-faq-item p{margin:0 0 17px;color:#66758b;line-height:1.8;font-size:14px}
.seo-breadcrumb{background:#f8faff;border-bottom:1px solid #e9eef6;font-size:13px;color:#7a8799}
.seo-breadcrumb .container{display:flex;align-items:center;gap:9px;padding-top:10px;padding-bottom:10px}
.seo-breadcrumb a{color:#2768c9;font-weight:650}
.seo-related{background:#f7f9fd;border-top:1px solid #edf1f7}
.seo-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.seo-related-grid a{display:flex;flex-direction:column;gap:6px;padding:17px 18px;border:1px solid #dfe7f2;border-radius:12px;background:#fff;transition:.2s}
.seo-related-grid a:hover{transform:translateY(-2px);border-color:#b9cff3;box-shadow:0 8px 20px rgba(28,67,122,.07)}
.seo-related-grid strong{color:#19345f;font-size:15px}
.seo-related-grid span{color:#7a8799;font-size:12px;line-height:1.6}
@media(max-width:850px){.seo-overview{padding:32px 0 20px}.seo-overview h1{font-size:27px}.seo-faq-grid,.seo-related-grid{grid-template-columns:1fr}.seo-home-faq,.seo-product-faq,.seo-related{padding:38px 0}}


/* v40 TIR cross-border transport tools */
.tir-tools-section{padding:30px 0 34px;background:linear-gradient(180deg,#f8fbff 0%,#f3f8ff 100%);border-top:1px solid #edf3fb;border-bottom:1px solid #e7eef8}
.tir-tools-title{margin-bottom:22px}
.tir-tools-title h2{font-size:30px}
.tir-tools-title p{max-width:820px;margin:5px auto 0;line-height:1.7}
.tir-tools-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.tir-tool-card{position:relative;min-height:118px;display:flex;align-items:center;gap:13px;padding:17px 34px 17px 16px;background:rgba(255,255,255,.96);border:1px solid #dfe9f7;border-radius:14px;box-shadow:0 7px 20px rgba(31,70,125,.06);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.tir-tool-card:hover{transform:translateY(-4px);border-color:#b9d2f7;box-shadow:0 14px 30px rgba(31,70,125,.13)}
.tir-tool-icon{width:47px;height:47px;flex:0 0 47px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#eef5ff,#dceaff);border:1px solid #cfe0fa;color:#1768e8;font-size:13px;font-weight:900;letter-spacing:.2px;box-shadow:inset 0 1px 0 rgba(255,255,255,.85)}
.tir-tool-copy{min-width:0}
.tir-tool-copy h3{margin:0 0 4px;color:#18345f;font-size:14px;line-height:1.35;font-weight:800}
.tir-tool-copy p{margin:0;color:#7a889d;font-size:11px;line-height:1.55}
.tir-tool-arrow{position:absolute;right:13px;top:14px;color:#91a6c4;font-size:16px;font-weight:700;transition:.2s}
.tir-tool-card:hover .tir-tool-arrow{color:#1768e8;transform:translate(1px,-1px)}
.tir-tools-note{margin-top:14px;text-align:center;color:#8a97aa;font-size:11px;line-height:1.7}
html[lang="en"] .tir-tool-copy h3{font-size:13px}
html[lang="ru"] .tir-tool-copy h3{font-size:12.5px}
html[lang="en"] .tir-tool-copy p,html[lang="ru"] .tir-tool-copy p{font-size:10.5px}
@media(max-width:1280px){.tir-tools-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:850px){.tir-tools-section{padding:28px 0}.tir-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tir-tools-title h2{font-size:27px}}
@media(max-width:560px){.tir-tools-grid{grid-template-columns:1fr}.tir-tool-card{min-height:92px}.tir-tools-title h2{font-size:24px}.tir-tools-title p{font-size:13px}}