/* ============================================================
   KAITU New Energy — English marketing site
   Custom styles on top of Tailwind CSS v2
   ============================================================ */

:root{
  --ink:#0a1b2e;
  --ink2:#0f2540;
  --ink3:#16335c;
  --brand:#d91626;
  --brand-dark:#b3121f;
  --line:#e4e9f1;
  --soft:#f4f7fb;
  --softs:#eaeef3;
  --gold:#c9a227;
}

html{scroll-behavior:smooth;}
body{font-family:'Open Sans','Segoe UI',system-ui,-apple-system,sans-serif;color:#24303f;background:#fff;}
h1,h2,h3,h4,h5,h6,.font-head{font-family:'Montserrat','Segoe UI',system-ui,sans-serif;}

/* ---------- Layout helpers ---------- */
.container-1600{max-width:1600px;margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem;}
@media (max-width:640px){.container-1600{padding-left:1rem;padding-right:1rem;}}
.section-pad{padding-top:5.5rem;padding-bottom:5.5rem;}
@media (max-width:768px){.section-pad{padding-top:3.5rem;padding-bottom:3.5rem;}}

/* ---------- Color helpers ---------- */
.bg-ink{background:var(--ink);} .bg-ink2{background:var(--ink2);} .bg-ink3{background:var(--ink3);}
.text-ink{color:var(--ink);} .bg-soft{background:var(--soft);} .bg-brand{background:var(--brand);}
.text-brand{color:var(--brand);} .border-line{border-color:var(--line);} .text-gold{color:var(--gold);}

/* ---------- Buttons ---------- */
.btn-red{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--brand);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;padding:.85rem 1.8rem;border-radius:3px;transition:all .25s ease;box-shadow:0 6px 18px rgba(217,22,38,.28);}
.btn-red:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,22,38,.34);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);font-family:'Montserrat',sans-serif;font-weight:600;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;padding:.85rem 1.8rem;border-radius:3px;transition:all .25s ease;}
.btn-outline:hover{background:#fff;color:var(--ink);}
.btn-dark{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--ink);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;padding:.85rem 1.8rem;border-radius:3px;transition:all .25s ease;}
.btn-dark:hover{background:var(--ink3);transform:translateY(-2px);}
.btn-line-dark{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:transparent;color:var(--ink);border:1.5px solid var(--ink);font-family:'Montserrat',sans-serif;font-weight:600;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;padding:.85rem 1.8rem;border-radius:3px;transition:all .25s ease;}
.btn-line-dark:hover{background:var(--ink);color:#fff;}

/* ---------- Topbar / header ---------- */
.topbar{background:var(--ink);color:#b9c6d8;font-size:.78rem;}
.topbar a{color:#b9c6d8;transition:color .2s;}
.topbar a:hover{color:#fff;}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:0 10px 30px rgba(10,27,46,.12);}
.logo-mark{display:inline-flex;align-items:center;gap:.6rem;}
.logo-mark .kt{width:46px;height:46px;border-radius:8px;background:var(--brand);display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:900;font-size:1.3rem;color:#fff;letter-spacing:.02em;box-shadow:0 4px 12px rgba(217,22,38,.35);}
.logo-mark .word{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.35rem;letter-spacing:.12em;color:var(--ink);line-height:1;}
.logo-mark .word small{display:block;font-family:'Open Sans',sans-serif;font-weight:600;font-size:.58rem;letter-spacing:.34em;color:var(--brand);text-transform:uppercase;margin-top:.28rem;}
.nav-link{position:relative;display:inline-block;padding:.95rem .1rem;font-family:'Montserrat',sans-serif;font-weight:600;font-size:1rem;letter-spacing:.05em;text-transform:uppercase;color:#33404f;transition:color .2s;}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:.55rem;height:2px;background:var(--brand);transition:right .25s ease;}
.nav-link:hover,.nav-link.active{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{right:0;}
.dropdown{position:relative;}
.dropdown-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(12px);min-width:280px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand);box-shadow:0 24px 50px rgba(10,27,46,.16);opacity:0;visibility:hidden;transition:all .22s ease;z-index:70;}
.dropdown:hover .dropdown-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dropdown-panel a{display:flex;justify-content:space-between;align-items:center;padding:.68rem 1.1rem;font-size:.95rem;color:#3c4a5c;border-bottom:1px dashed #eef1f6;transition:all .18s;}
.dropdown-panel a:hover{background:var(--soft);color:var(--brand);padding-left:1.35rem;}

/* ---------- Section titles ---------- */
.sec-eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--brand);}
.sec-eyebrow::before{content:"";width:34px;height:2px;background:var(--brand);display:inline-block;}
.sec-title{font-family:'Montserrat',sans-serif;font-weight:800;font-size:2.1rem;line-height:1.15;color:var(--ink);letter-spacing:.01em;}
@media (max-width:768px){.sec-title{font-size:1.55rem;}}
.sec-sub{color:#5b6b80;line-height:1.75;}

/* ---------- Cards ---------- */
.hover-lift{transition:transform .28s ease,box-shadow .28s ease;}
.hover-lift:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,27,46,.14);}
.img-zoom{overflow:hidden;}
.img-zoom img{transition:transform .6s ease;}
.img-zoom:hover img{transform:scale(1.07);}
.veh-card .veh-img{/*height:230px;*/background:#f2f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.veh-card .veh-img img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .5s ease;border-bottom:1px solid var(--soft)}
.veh-card:hover .veh-img img{transform:scale(1.06);}

/* ---------- Hero banner (PC) ---------- */
.hero-pc{position:relative;height:640px;overflow:hidden;background:var(--ink);}
@media (max-width:1280px){.hero-pc{height:520px;}}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s ease;background-size:cover;background-position:center;}
.hero-slide.active{opacity:1;visibility:visible;z-index:2;}
.hero-slide .ken{position:absolute;inset:5%;background-size:cover;background-position:center;animation:kenburns 7s ease-out forwards;}
.hero-slide.active .ken{animation:kenburns 7s ease-out forwards;}
@keyframes kenburns{0%{transform:scale(1.04);}100%{transform:scale(1.12);}}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,27,46,.82) 0%,rgba(10,27,46,.45) 45%,rgba(10,27,46,.08) 75%);}
.hero-copy{position:absolute;z-index:5;bottom:5rem;left:10%;width:100%;padding:3rem 0 4.5rem;}
.hero-copy .h-line{width:64px;height:3px;background:var(--brand);margin-bottom:1.2rem;}
.hero-copy h2{font-family:'Montserrat',sans-serif;font-weight:900;font-size:3rem;line-height:1.08;color:#fff;letter-spacing:.01em;text-transform:uppercase;}
.hero-copy p{color:#d7e0ec;font-size:1.05rem;max-width:640px;margin-top:.9rem;line-height:1.7;}
@media (max-width:1280px){.hero-copy h2{font-size:2.3rem;}}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.45);color:#fff;display:flex;align-items:center;justify-content:center;background:rgba(10,27,46,.25);transition:all .25s;cursor:pointer;}
.hero-arrow:hover{background:var(--brand);border-color:var(--brand);}
.hero-arrow.prev{left:2rem;} .hero-arrow.next{right:2rem;}
.hero-dots{position:absolute;z-index:6;bottom:1.6rem;left:0;width:100%;display:flex;justify-content:center;gap:.6rem;}
.hero-dots button{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s;border:0;}
.hero-dots button.active{background:var(--brand);transform:scale(1.25);}

/* ---------- Hero banner (mobile) ---------- */
.hero-mb{position:relative;height:62vh;min-height:420px;overflow:hidden;background:var(--ink);}
.mb-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease;}
.mb-slide.active{opacity:1;visibility:visible;z-index:2;}
.mb-slide img{width:100%;height:100%;object-fit:cover;}
.mb-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,27,46,.1) 0%,rgba(10,27,46,.72) 100%);}
.mb-copy{position:absolute;z-index:5;left:1.2rem;right:1.2rem;bottom:9rem;}
.mb-copy h2{font-family:'Montserrat',sans-serif;font-weight:900;font-size:1.7rem;line-height:1.12;color:#fff;text-transform:uppercase;}
.mb-copy p{color:#dce4ef;font-size:.9rem;margin-top:.6rem;line-height:1.6;}
.mb-copy .h-line{width:46px;height:3px;background:var(--brand);margin-bottom:.9rem;}
.mb-dots{position:absolute;z-index:6;bottom:1.2rem;left:0;width:100%;display:flex;justify-content:center;gap:.5rem;}
.mb-dots button{width:20px;height:20px;border-radius:50%;background:transparent;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.mb-dots button::after{content:'';width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);transition:all .3s;}
.mb-dots button.active::after{background:var(--brand);}

/* ---------- Inner page hero ---------- */
.inner-hero{position:relative;background:var(--ink);padding:6rem 0 5rem;overflow:hidden;}
.inner-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.24;}
.inner-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,27,46,.94) 0%,rgba(10,27,46,.62) 70%,rgba(10,27,46,.35) 100%);}
.inner-hero .in{position:relative;z-index:3;}
.inner-hero h1{font-family:'Montserrat',sans-serif;font-weight:900;font-size:2.6rem;color:#fff;text-transform:uppercase;letter-spacing:.02em;}
@media (max-width:768px){.inner-hero h1{font-size:1.8rem;}}
.crumb{display:flex;align-items:center;gap:.55rem;font-size:.8rem;color:#9fb0c6;margin-top:1rem;flex-wrap:wrap;}
.crumb a{color:#cdd8e6;transition:color .2s;}
.crumb a:hover{color:#fff;}
.crumb i{font-size:.55rem;color:var(--brand);}

/* ---------- Stats ---------- */
.stat-num{font-family:'Montserrat',sans-serif;font-weight:900;font-size:2.6rem;color:#fff;line-height:1;}
@media (max-width:768px){.stat-num{font-size:2rem;}}
.stat-num .suffix{color:var(--brand);}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;} .reveal.d2{transition-delay:.16s;} .reveal.d3{transition-delay:.24s;} .reveal.d4{transition-delay:.32s;}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;position:relative;}
.marquee-track{display:flex;gap:3.5rem;width:max-content;animation:marquee 30s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes marquee{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ---------- Category cards ---------- */
.cat-card{position:relative;border:1px solid var(--line);background:#fff;border-radius:6px;overflow:hidden;transition:all .3s ease;}
.cat-card:hover{border-color:transparent;box-shadow:0 20px 44px rgba(10,27,46,.16);transform:translateY(-6px);}
.cat-card .cat-ico{width:64px;height:64px;border-radius:50%;background:var(--soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.5rem;transition:all .3s;}
.cat-card:hover .cat-ico{background:var(--softs);color:#fff;}
.cat-card .go{position:absolute;top:1.1rem;right:1.1rem;color:#c3ccd9;transition:all .3s;}
.cat-card:hover .go{color:var(--brand);transform:translateX(3px);}

/* ---------- Timeline ---------- */
.timeline{position:relative;}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--brand),var(--ink3));transform:translateX(-50%);}
.tl-item{position:relative;width:50%;padding:0 3rem 3rem 0;}
.tl-item:nth-child(even){left:50%;padding:0 0 3rem 3rem;}
.tl-dot{position:absolute;top:.3rem;right:-9px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--brand);z-index:2;}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-9px;}
@media (max-width:768px){
  .timeline::before{left:8px;}
  .tl-item,.tl-item:nth-child(even){width:100%;left:0;padding:0 0 2rem 2rem;}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;}
  .mobsnone{display:none;}
}

/* ---------- Tabs / filter ---------- */
.filter-tab{padding:.6rem 1.3rem;border:1px solid var(--line);border-radius:30px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:#4a5a6e;transition:all .25s;cursor:pointer;background:#fff;}
.filter-tab:hover{border-color:var(--brand);color:var(--brand);}
.filter-tab.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.filter-item{transition:opacity .3s ease,transform .3s ease;}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:.45rem;margin-top:3rem;flex-wrap:wrap;}
.pg-btn{min-width:42px;height:42px;padding:0 .95rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:#4a5a6e;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(10,27,46,.04);}
.pg-btn:hover{border-color:var(--brand);color:var(--brand);}
.pg-btn.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.pg-btn:disabled{opacity:.4;cursor:not-allowed;border-color:var(--line);color:#a3aeba;background:#f4f6fa;box-shadow:none;}

/* ---------- Floating right bar ---------- */
.float-right{position:fixed;right:1rem;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:.7rem;}
@media (max-width:1023px){.float-right{display:none;}}
@media (max-width:1023px){.chat-fab{right:1rem;bottom:4.8rem;width:54px;height:54px;z-index:2000;} .chat-panel{right:1rem;bottom:9rem;z-index:1990;}}
.float-right a,.float-right button{width:48px;height:48px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.15rem;position:relative;transition:all .25s ease;border:0;cursor:pointer;box-shadow:0 8px 20px rgba(10,27,46,.18);}
.float-right a:hover,.float-right button:hover{transform:translateX(-4px);}
.float-right .tip{position:absolute;right:58px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;font-size:.72rem;font-family:'Montserrat',sans-serif;letter-spacing:.04em;padding:.35rem .7rem;border-radius:4px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .22s;pointer-events:none;}
.float-right a:hover .tip,.float-right button:hover .tip{opacity:1;visibility:visible;right:64px;}
.fr-wa{background:#25d366;} .fr-wx{background:#09bb07;} .fr-mail{background:#2b6cb0;} .fr-tel{background:var(--brand);} .fr-top{background:var(--ink3);}

/* ---------- Chat widget (bottom-right popup) ---------- */
.chat-fab{position:fixed;right:1.4rem;bottom:4rem;z-index:2000;width:60px;height:60px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.45rem;cursor:pointer;border:0;box-shadow:0 12px 30px rgba(217,22,38,.45);transition:box-shadow .3s;animation:fabPulse 2.4s infinite;}
.chat-fab:hover{box-shadow:0 12px 34px rgba(217,22,38,.6);}
@keyframes fabPulse{0%{box-shadow:0 12px 30px rgba(217,22,38,.45),0 0 0 0 rgba(217,22,38,.35);}70%{box-shadow:0 12px 30px rgba(217,22,38,.45),0 0 0 18px rgba(217,22,38,0);}100%{box-shadow:0 12px 30px rgba(217,22,38,.45),0 0 0 0 rgba(217,22,38,0);}}
.chat-panel{position:fixed;right:1.4rem;bottom:7.4rem;z-index:1990;width:360px;max-width:calc(100vw - 2rem);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 30px 70px rgba(10,27,46,.28);transform:translateY(20px) scale(.96);opacity:0;visibility:hidden;transition:all .3s ease;}
.chat-panel.open{transform:none;opacity:1;visibility:visible;}
.chat-panel .cp-head{position:relative;background:var(--ink);color:#fff;padding:1rem 1.2rem;display:flex;align-items:center;gap:.8rem;}
.cp-close{position:absolute;top:.55rem;right:.55rem;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.14);color:#dbe4f0;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.9rem;z-index:3;transition:background .2s,color .2s;}
.cp-close:hover{background:rgba(255,255,255,.3);color:#fff;}
.chat-panel .cp-head .av{width:40px;height:40px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.05rem;}
.chat-panel .cp-body{padding:1.1rem 1.2rem;}
.chat-quick{display:flex;gap:.6rem;margin-bottom:1rem;}
.chat-quick a{flex:1;text-align:center;padding:.6rem .3rem;border-radius:8px;font-size:.74rem;font-family:'Montserrat',sans-serif;font-weight:700;color:#fff;letter-spacing:.02em;}
.chat-quick a i{display:block;font-size:1rem;margin-bottom:.3rem;}
.cq-wa{background:#25d366;} .cq-em{background:#2b6cb0;} .cq-tel{background:var(--brand);}
.form-input{width:100%;border:1px solid var(--line);border-radius:6px;padding:.7rem .9rem;font-size:.85rem;color:#24303f;background:#fbfcfe;transition:all .2s;outline:none;}
.form-input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(217,22,38,.12);}
.form-input.err{border-color:var(--brand);}
label.fl{font-size:.72rem;font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#4a5a6e;margin-bottom:.3rem;display:block;}

/* ---------- Mobile bottom nav ---------- */
.mob-nav{position:fixed;left:0;right:0;bottom:0;z-index:85;background:#fff;border-top:1px solid var(--line);display:none;box-shadow:0 -6px 24px rgba(10,27,46,.10);}
@media (max-width:1023px){.mob-nav{display:flex;}}
.mob-nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:.18rem;padding:.6rem 0 .5rem;font-size:.62rem;font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#7a8899;}
.mob-nav a i{font-size:1.15rem;}
.mob-nav a.active{color:var(--brand);}
.mob-nav a.active::before{content:"";position:absolute;top:0;left:30%;right:30%;height:3px;background:var(--brand);border-radius:0 0 4px 4px;}
@media (max-width:1023px){body{padding-bottom:56px;}}

/* ---------- Form / misc ---------- */
.check-item{display:flex;gap:.7rem;align-items:flex-start;padding:.85rem 0;border-bottom:1px dashed #eef1f6;}
.check-item i{color:var(--brand);margin-top:.15rem;font-size:.9rem;}
.spec-row{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 0;border-bottom:1px solid #eef1f6;font-size:.88rem;}
.spec-row .k{color:#66758a;}
.spec-row .v{font-family:'Montserrat',sans-serif;font-weight:700;color:var(--ink);text-align:right;}
.tag-chip{display:inline-block;padding:.3rem .75rem;border:1px solid var(--line);border-radius:20px;font-size:.72rem;color:#5b6b80;background:#fff;transition:all .2s;}
.tag-chip:hover{border-color:var(--brand);color:var(--brand);}
.news-card .nc-img{height:210px;overflow:hidden;position:relative;}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.news-card:hover .nc-img img{transform:scale(1.08);}
.news-card .nc-cat{position:absolute;top:.9rem;left:.9rem;background:var(--brand);color:#fff;font-size:.65rem;font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.28rem .7rem;border-radius:3px;}

/* ---------- Encyclopedia (wiki style) ---------- */
.wiki-box{border:1px solid #c8ccd1;background:#f8f9fa;font-size:.85rem;line-height:1.7;}
.wiki-box a{color:#0645ad;}
.wiki-toc{border:1px solid #a2a9b1;background:#f8f9fa;padding:1rem 1.4rem;display:inline-block;font-size:.85rem;}
.wiki-toc .toc-title{text-align:center;font-weight:700;}
.wiki-toc ol{padding-left:1.4rem;list-style:decimal;}
.wiki-toc li{margin:.22rem 0;}
.wiki-infobox{border:1px solid #a2a9b1;background:#f8f9fa;font-size:.8rem;width:290px;float:right;margin:0 0 1.2rem 1.4rem;}
@media (max-width:900px){.wiki-infobox{float:none;width:100%;margin:0 0 1.2rem 0;}}
.wiki-infobox .ib-title{background:#dcdce0;text-align:center;font-weight:700;padding:.35rem;}
.wiki-infobox .ib-img{padding:.5rem;background:#fff;}
.wiki-infobox .ib-img img{width:100%;}
.wiki-infobox table{width:100%;border-collapse:collapse;}
.wiki-infobox td{padding:.28rem .5rem;vertical-align:top;border-bottom:1px solid #e7e8ea;}
.wiki-h2{border-bottom:1px solid #a2a9b1;font-family:'Montserrat',sans-serif;font-weight:700;font-size:1.3rem;color:var(--ink);margin:1.8rem 0 .9rem;padding-bottom:.3rem;}
.wiki-refs{font-size:.8rem;color:#444;}
.wiki-refs li{margin:.4rem 0;}
.wiki-cat{display:inline-block;border:1px solid #a2a9b1;background:#f8f9fa;padding:.15rem .7rem;font-size:.78rem;color:#0645ad;margin:.2rem .2rem 0 0;border-radius:2px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#9fb0c6;font-size:.85rem;}
.site-footer h5{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:1.1rem;}
.site-footer a{color:#9fb0c6;transition:color .2s;}
.site-footer a:hover{color:#fff;}
.site-footer .f-link{display:block;padding:.3rem 0;font-size:1rem;}.foot-social a{width:38px;height:38px;border-radius:50%;border:1px solid #2c4260;display:inline-flex;align-items:center;justify-content:center;color:#c3d0e0;transition:all .25s;margin-right:.5rem;}
.foot-social a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-3px);}

/* ---------- Mobile menu ---------- */
#mobileMenu{display:none;}
#mobileMenu.open{display:block;}
@media (min-width:1280px){#mobileMenu,#mobileMenu.open{display:none !important;}}

/* ---------- WeChat modal ---------- */
.wx-modal{position:fixed;inset:0;z-index:120;background:rgba(10,27,46,.55);display:none;align-items:center;justify-content:center;padding:1rem;}
.wx-modal.open{display:flex;}
.wx-card{position:relative;background:#fff;border-radius:14px;padding:2rem 2.2rem;text-align:center;max-width:340px;width:100%;box-shadow:0 30px 70px rgba(10,27,46,.4);animation:popIn .3s ease;}
@keyframes popIn{from{transform:scale(.9);opacity:0;}to{transform:scale(1);opacity:1;}}
.wx-close{position:absolute;top:.8rem;right:.8rem;width:30px;height:30px;border-radius:50%;border:0;background:#eef1f6;color:#5b6b80;cursor:pointer;font-size:.9rem;}

/* ---------- Toast ---------- */
.toast-msg{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(16px);background:var(--ink);color:#fff;font-size:.85rem;padding:.8rem 1.4rem;border-radius:8px;box-shadow:0 14px 34px rgba(10,27,46,.3);z-index:200;opacity:0;transition:all .35s ease;max-width:90vw;text-align:center;border-left:4px solid var(--brand);}
.toast-msg.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ---------- 404 ---------- */
.err-code{font-family:'Montserrat',sans-serif;font-weight:900;font-size:9rem;line-height:1;background:linear-gradient(180deg,var(--brand),#ff8a93);-webkit-background-clip:text;background-clip:text;color:transparent;}
@media (max-width:768px){.err-code{font-size:6rem;}}

/* ---------- Misc ---------- */
.brand-line{width:56px;height:3px;background:var(--brand);}
.img-frame{border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 16px 40px rgba(10,27,46,.10);}
.qr-ph{background:#fff;border-radius:8px;padding:.5rem;}
.scroll-top-fix{scroll-margin-top:120px;}
.phone-link{font-family:'Montserrat',sans-serif;font-weight:700;}

/* ---------- Form inputs (custom-order / quotation) ---------- */
.f-input{width:100%;border:1px solid var(--line);border-radius:6px;padding:.7rem .9rem;font-size:.85rem;color:#24303f;background:#fbfcfe;transition:all .2s;outline:none;}
.f-input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(217,22,38,.12);}
.f-input.err{border-color:var(--brand);}
.f-input[type=number]{appearance:textfield;-moz-appearance:textfield;}
select.f-input{cursor:pointer;}
textarea.f-input{resize:vertical;min-height:8.5rem;}

/* ---------- Mobile touch refinements ---------- */
@media (max-width:767px){
  .site-footer .f-link{padding:.55rem 0;font-size:.9rem;}
  .foot-social a{width:44px;height:44px;}
  .topbar a{padding:.35rem 0;}
  .f-input{font-size:16px;}
}

/* ---------- Product page (Dajiaoniu-style layout) ---------- */
.co-card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:1.2rem 1.4rem;}
.co-head{font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);border-bottom:1px dashed #eef1f6;padding-bottom:.7rem;margin-bottom:.4rem;}
.co-head i{color:var(--brand);margin-right:.5rem;}
.co-row{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px dashed #eef1f6;font-size:.86rem;}
.co-row .k{color:#66758a;flex-shrink:0;}
.co-row .v{font-family:'Montserrat',sans-serif;font-weight:600;color:var(--ink);text-align:right;}
.co-row .v a{color:var(--brand);}
.pn-link{display:block;border:1px solid var(--line);border-radius:8px;padding:.7rem 1rem;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.85rem;color:var(--ink);line-height:1.6;transition:all .2s;max-width:46%;}
.pn-link:hover{border-color:var(--brand);color:var(--brand);}
.pn-link .pn-name{display:block;font-family:'Open Sans',sans-serif;font-weight:400;font-size:.78rem;color:#66758a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px;}
.pn-link.pn-off{color:#a3aeba;border-style:dashed;}
.ptab{position:relative;border:1px solid var(--line);border-radius:12px;padding:0 2rem 1.8rem;}
.ptab-inp{position:absolute;opacity:0;pointer-events:none;}
.ptab-nav{display:flex;gap:.25rem;border-bottom:2px solid var(--line);margin:0 -2rem;padding:0 2rem;}
.ptab-nav label{padding:1.05rem 1.4rem;cursor:pointer;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase;color:#66758a;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .2s;}
.ptab-nav label:hover{color:var(--ink);}
#ptab-desc:checked ~ .ptab-nav label[for="ptab-desc"],
#ptab-spec:checked ~ .ptab-nav label[for="ptab-spec"],
#ptab-adv:checked ~ .ptab-nav label[for="ptab-adv"]{color:var(--brand);border-color:var(--brand);}
.ptab-panel{display:none;padding-top:1.6rem;}
#ptab-desc:checked ~ #ptab-panel-desc,
#ptab-spec:checked ~ #ptab-panel-spec,
#ptab-adv:checked ~ #ptab-panel-adv{display:block;}
.ptab-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:.9rem;}
.ptab-table th{background:var(--ink);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;text-align:left;padding:.7rem 1rem;}
.ptab-table td{padding:.7rem 1rem;border-bottom:1px solid #eef1f6;color:#3d4b5d;}
.ptab-table tbody tr:nth-child(even){background:#f8fafc;}
.ptab-table td:first-child{width:40%;color:#66758a;font-weight:600;}
.ptab-table td:last-child{width:60%;}
@media (max-width:640px){
  .ptab{margin-left:0;margin-right:0;padding:0 1rem 1.2rem;}
  .ptab-nav{margin:0 -1rem;padding:0 1rem;overflow-x:auto;}
  .ptab-nav label{white-space:nowrap;padding:1rem 1rem;font-size:.8rem;}
  .pn-link{max-width:49%;}
  .co-row{flex-direction:column;gap:.15rem;}
  .co-row .v{text-align:left;}
}