/* Khởi Minh — giai đoạn 1. Chỉ áp dụng header/hero và vô hiệu sticky cũ. */
.kh-redesign{--kh-ink:#10252c;--kh-dark:#0c2027;--kh-gold:#ddb554;--kh-muted:#b6c2c6;font-family:Arial,Helvetica,sans-serif}
.kh-redesign #bg_page>header,.kh-redesign #bg_page>header.fixed{position:static!important;float:none!important;width:100%!important;height:auto!important;margin:0!important;padding:0!important;background:none!important;transform:none!important}
.kh-redesign #main{margin-top:0!important}.kh-redesign #bg_page>header>.banner{float:none!important;width:100%!important;height:auto!important;padding:0!important;margin:0!important;background:none!important}
.kh-header,.kh-hero{font-family:Arial,Helvetica,sans-serif;line-height:1.55;text-align:left;letter-spacing:normal;text-transform:none}
.kh-header *,.kh-hero *{box-sizing:border-box}.kh-header a,.kh-hero a{text-decoration:none}.kh-header button,.kh-header input{font:inherit}.kh-header img,.kh-hero img{max-width:100%;display:block}
.kh-shell{width:calc(100% - 80px);max-width:1280px;margin:0 auto}.kh-header{background:var(--kh-dark);color:#fff}.kh-brandbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0}
.kh-brand{display:flex;align-items:center;gap:16px;color:#fff!important;min-width:0}.kh-brand img{width:76px;height:76px;object-fit:contain;flex:none}.kh-brand strong{font-size:20px;font-weight:700;line-height:1.4;display:block}.kh-brand small{display:block;margin-top:7px;font-size:13px;color:var(--kh-muted)}
.kh-contact{display:flex;align-items:center;gap:26px;flex:none}.kh-phone{color:#fff!important;display:block}.kh-phone small{display:block;color:var(--kh-muted);font-size:12px}.kh-phone strong{font-size:21px}
.kh-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 20px;background:var(--kh-gold);color:#14262b!important;border:1px solid var(--kh-gold);border-radius:4px;font-size:14px;font-weight:700;line-height:1.4;transition:background .2s}.kh-button:hover{background:#eccb7d}.kh-header a:focus-visible,.kh-header button:focus-visible,.kh-header input:focus-visible,.kh-hero a:focus-visible{outline:3px solid #bd8a17;outline-offset:4px}
.kh-navband{background:#fff;border-bottom:1px solid #e5e9e9}.kh-navrow{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}.kh-navigation{flex:1;min-width:0}.kh-navigation ul{margin:0!important;padding:0!important;list-style:none!important}.kh-navigation>ul{display:flex;align-items:stretch;gap:20px}.kh-navigation li{position:relative;float:none!important}.kh-navigation a{color:var(--kh-ink)!important;display:block;font-size:13px;font-weight:700;line-height:1.5;padding:22px 0;white-space:nowrap}.kh-navigation a:hover,.kh-navigation a.active{color:#805b13!important}.kh-navigation li ul{display:none;position:absolute;top:100%;left:0;min-width:260px;max-width:340px;background:#fff;border:1px solid #e5e9e9;box-shadow:0 12px 30px #10252c1a;z-index:2000}.kh-navigation li ul a{padding:12px 18px;white-space:normal}.kh-navigation li:hover>ul,.kh-navigation li:focus-within>ul,.kh-navigation li.kh-sub-open>ul{display:block}.kh-sub-toggle{display:none}
.kh-tools{display:flex;align-items:center;gap:14px}.kh-search{display:flex;align-items:center;border:1px solid #dbe1e2;border-radius:4px;overflow:hidden;margin:0;width:185px;height:38px}.kh-search input{width:100%;min-width:0;border:0;background:#fff;color:var(--kh-ink);padding:8px 10px;font-size:12px;height:36px;box-shadow:none}.kh-search button{background:#fff;color:var(--kh-ink);border:0;min-width:36px;height:36px;font-size:23px;cursor:pointer}.kh-languages{display:flex;gap:8px}.kh-languages a{font-size:11px;color:#455c64;padding:6px 0}.kh-menu-toggle{display:none}.kh-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.kh-redesign #main>article>.box_slider:has(.kh-hero){padding:0!important;margin:0!important;border:0!important;border-radius:0!important;background:var(--kh-dark)!important;box-shadow:none!important;width:100%!important}
.kh-hero{background:var(--kh-dark);color:#fff;padding:64px 0 0;overflow:hidden}.kh-hero-grid{display:grid;grid-template-columns:1fr 1.03fr;gap:56px;align-items:center}.kh-eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--kh-gold);margin:0 0 22px}.kh-hero h2{font:700 clamp(34px,3.5vw,50px)/1.12 Arial,Helvetica,sans-serif;letter-spacing:-1.7px;color:#fff;margin:0 0 24px;text-transform:none;text-align:left}.kh-hero h2 span{color:var(--kh-gold)}.kh-lead{font-size:16px;color:#d0dadd;line-height:1.8;margin:0 0 26px;max-width:510px}.kh-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.kh-text-link{color:#fff!important;font-size:13px;font-weight:700;padding:12px 0}.kh-text-link:hover{text-decoration:underline}.kh-note{font-size:12px;line-height:1.8;color:#aabcc2;margin:19px 0 0;max-width:480px}
.kh-hero-visual{position:relative;min-width:0}.kh-main-photo{width:100%;height:350px;object-fit:cover;border-radius:6px}.kh-photo-label{position:absolute;top:275px;left:20px;background:#10252ce8;border-left:3px solid var(--kh-gold);padding:10px 17px;max-width:calc(100% - 40px)}.kh-photo-label span{display:block;font-size:9px;letter-spacing:1.5px;color:var(--kh-gold)}.kh-photo-label strong{font-size:16px}.kh-photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.kh-photo-pair img{width:100%;height:125px;object-fit:cover;border-radius:4px}.kh-proof{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:54px;border-top:1px solid #ffffff26;padding:25px 0 29px}.kh-proof div{display:flex;gap:12px;align-items:center}.kh-proof span{font-size:12px;color:var(--kh-gold)}.kh-proof strong{font-size:12px;font-weight:500;color:#e0e8ea}
@media(max-width:1199px){.kh-shell{width:calc(100% - 48px)}.kh-brand strong{font-size:17px}.kh-contact{gap:16px}.kh-contact>.kh-button{display:none}.kh-navigation>ul{gap:14px}.kh-navigation a{font-size:12px}.kh-search{width:150px}.kh-hero-grid{gap:30px}.kh-hero h2{font-size:42px}}
@media(max-width:1023px){.kh-brandbar{padding:16px 0}.kh-brand img{width:62px;height:62px}.kh-brand strong{font-size:16px}.kh-brand small{font-size:11px}.kh-phone strong{font-size:18px}.kh-menu-toggle{display:block;color:var(--kh-ink);border:1px solid #dbe1e2;background:#fff;padding:8px 12px;border-radius:4px;font-size:13px;font-weight:700;cursor:pointer}.kh-navrow{position:relative;min-height:58px}.kh-navigation{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;z-index:2000;border:1px solid #dbe1e2;max-height:65vh;overflow:auto;box-shadow:0 12px 30px #0002}.kh-navigation.kh-open{display:block}.kh-navigation>ul{display:block}.kh-navigation a{font-size:14px;padding:14px 18px;padding-right:55px}.kh-navigation li ul{position:static;box-shadow:none;min-width:0;max-width:none;border:0;background:#f1f4f4}.kh-navigation li:hover>ul,.kh-navigation li:focus-within>ul{display:none}.kh-navigation li.kh-sub-open>ul{display:block}.kh-sub-toggle{display:block;position:absolute;top:5px;right:8px;width:38px;height:38px;background:#f1f4f4;color:var(--kh-ink);border:1px solid #dbe1e2;border-radius:4px;font-size:22px;cursor:pointer}.kh-search{width:230px}.kh-hero-grid{grid-template-columns:1fr 1fr;gap:25px}.kh-hero{padding-top:40px}.kh-hero h2{font-size:36px}.kh-lead{font-size:14px}.kh-main-photo{height:330px}.kh-photo-label{top:255px}.kh-proof{grid-template-columns:repeat(2,1fr);margin-top:35px}}
@media(max-width:639px){.kh-shell{width:calc(100% - 36px)}.kh-brandbar{gap:10px}.kh-brand{gap:10px;align-items:center}.kh-brand img{width:52px;height:52px}.kh-brand strong{font-size:13px;max-width:240px}.kh-brand small{font-size:10px;line-height:1.5}.kh-contact{display:none}.kh-tools{gap:12px}.kh-search{width:155px}.kh-languages{gap:7px}.kh-navrow{gap:10px}.kh-hero-grid{grid-template-columns:1fr;gap:28px}.kh-hero{padding-top:32px}.kh-eyebrow{font-size:10px;margin-bottom:16px}.kh-hero h2{font-size:38px;letter-spacing:-1.1px;margin-bottom:18px}.kh-lead{font-size:14px;line-height:1.75}.kh-actions{gap:4px 18px}.kh-note{font-size:11px}.kh-main-photo{height:260px}.kh-photo-label{top:187px;left:12px}.kh-photo-pair img{height:105px}.kh-proof{gap:20px 10px;padding:22px 0;margin-top:28px}.kh-proof div{align-items:flex-start;gap:8px}.kh-proof strong{font-size:11px}.kh-proof span{font-size:10px}}
@media(max-width:359px){.kh-shell{width:calc(100% - 24px)}.kh-search{width:122px}.kh-languages{gap:5px}.kh-menu-toggle{padding:8px}.kh-hero h2{font-size:33px}}
@media(prefers-reduced-motion:reduce){.kh-header *,.kh-hero *{transition:none!important;animation:none!important}}
/* Revision 2 — giao diện sáng, ảnh xưởng và nội dung địa phương. */
.kh-redesign{--kh-gold:#dfb653;--kh-dark:#142f37;--kh-ink:#142f37;--kh-muted:#617178}
.kh-header{background:#fff;color:var(--kh-ink)}.kh-brandbar{padding:18px 0;gap:30px}.kh-brand{color:var(--kh-ink)!important;gap:17px}.kh-logo-frame{width:78px;height:78px;overflow:hidden;display:block;flex:none;border-radius:50%}.kh-logo-frame img{width:78px;height:78px;max-width:none;transform:scale(1.34);transform-origin:51% 52%}.kh-brand strong{font-size:19px;letter-spacing:-.3px;max-width:580px}.kh-brand small{color:#617178;font-size:12px;margin-top:6px}.kh-phone{color:var(--kh-ink)!important}.kh-phone small{color:#617178}.kh-phone strong{font-size:22px}.kh-contact{gap:24px}.kh-button{background:var(--kh-gold);border-color:var(--kh-gold);border-radius:5px;min-height:50px;padding:14px 21px;gap:18px;font-size:14px}.kh-button:hover{background:#ebc875;border-color:#ebc875}.kh-navband{background:#fff;border-top:1px solid #edf0ee;border-bottom:1px solid #e3e8e5}.kh-navrow{min-height:60px}.kh-navigation>ul{gap:27px}.kh-navigation a{font-size:14px;padding:20px 0}.kh-search{background:#f7f8f6;border:1px solid #e2e7e3;width:175px}.kh-search input,.kh-search button{background:transparent}.kh-languages{gap:10px}.kh-languages a{font-size:11px}
.kh-redesign #main>article>.box_slider:has(.kh-hero){background:#f5f6f2!important}.kh-hero{position:relative;background:linear-gradient(115deg,#f8f9f5 0%,#f4f5f0 60%,#eef2ed 100%);color:var(--kh-ink);padding-top:48px;padding-bottom:36px;border-bottom:1px solid #e4e8e2}.kh-hero-grid{grid-template-columns:1fr 1.06fr;gap:58px;align-items:center}.kh-eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:1.5px;color:#6e5527;margin:0 0 21px;font-weight:700}.kh-location-dot{width:7px;height:7px;border-radius:50%;background:#a97d20;box-shadow:0 0 0 5px #dfb65320;flex:none}.kh-hero h2{font-size:clamp(38px,3.6vw,52px);line-height:1.09;letter-spacing:-1.8px;color:var(--kh-ink);margin:0 0 16px}.kh-hero h2 span{color:#89651f}.kh-hero-promise{font-size:21px;font-weight:500;letter-spacing:-.4px;color:#384e55;line-height:1.5;margin:0 0 18px}.kh-lead{font-size:15px;color:#576b72;line-height:1.8;margin-bottom:18px;max-width:480px}.kh-service-tags{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 25px}.kh-service-tags span{font-size:11px;font-weight:500;color:#455d64;border:1px solid #d6ded8;border-radius:4px;padding:6px 10px;background:#ffffff8c}.kh-actions{gap:12px 20px}.kh-text-link{color:#243f47!important;font-size:12px;display:inline-flex;gap:10px;align-items:center}.kh-note{font-size:11px;line-height:1.7;color:#6b7d81;max-width:470px;margin-top:17px}
.kh-image-topline{display:flex;align-items:center;justify-content:space-between;font-size:9px;letter-spacing:1.5px;font-weight:700;color:#687b7d;margin-bottom:10px}.kh-main-photo-wrap{position:relative;border-radius:7px;overflow:hidden;box-shadow:0 16px 35px #1b363814}.kh-main-photo{height:342px;border-radius:0;object-position:50% 49%;width:100%;object-fit:cover}.kh-image-stamp{position:absolute;bottom:14px;left:15px;padding:7px 10px;background:#fffef5ed;color:#233e44;border-radius:3px;font-size:9px;letter-spacing:1px;font-weight:700}.kh-visual-bottom{display:grid;grid-template-columns:1.05fr 1fr;gap:18px;align-items:center;padding:0 0 0 22px;margin-top:-25px;position:relative;z-index:1}.kh-photo-inset{position:relative;border:6px solid #f4f5f0;border-radius:6px;background:#f4f5f0;box-shadow:0 12px 24px #1b363814}.kh-photo-inset img{height:164px;width:100%;object-fit:cover;object-position:center}.kh-photo-inset>span{position:absolute;bottom:9px;left:9px;padding:4px 8px;background:#10252cd9;color:#fff;font-size:10px;letter-spacing:.2px;border-radius:2px}.kh-workshop-note{padding:42px 0 0}.kh-small-label{display:block;font-size:8px;font-weight:700;letter-spacing:1.4px;color:#88651e;margin-bottom:8px}.kh-workshop-note strong{font-size:19px;line-height:1.35;color:#17383e;letter-spacing:-.4px}.kh-workshop-note p{font-size:11px;color:#60757a;line-height:1.7;margin:8px 0 0}
.kh-proof{background:#fff;border:1px solid #e3e8df;border-radius:7px;margin-top:38px;padding:0;gap:0;box-shadow:0 6px 22px #183a3710}.kh-proof .kh-proof-item{display:flex;gap:13px;padding:23px 20px;align-items:center;border-right:1px solid #edf0e9}.kh-proof .kh-proof-item:last-child{border-right:0}.kh-proof .kh-proof-icon{display:flex;width:41px;height:41px;border-radius:6px;background:#f7f2e4;color:#8c6921;align-items:center;justify-content:center;flex:none}.kh-proof .kh-proof-item>div{display:block}.kh-proof strong{display:block;font-size:13px;font-weight:700;color:#233e44}.kh-proof small{display:block;font-size:11px;color:#6b7d81;margin-top:4px}.kh-proof svg{display:block}
@media(max-width:1199px){.kh-navigation>ul{gap:18px}.kh-navigation a{font-size:13px}.kh-contact>.kh-button{display:inline-flex;font-size:12px;padding:12px}.kh-brand strong{font-size:16px}.kh-brand small{max-width:370px;font-size:11px}.kh-contact{gap:15px}.kh-phone strong{font-size:19px}.kh-hero-grid{gap:35px}.kh-hero h2{font-size:45px}.kh-proof .kh-proof-item{padding:20px 14px;gap:9px}.kh-proof strong{font-size:12px}.kh-proof small{font-size:10px}}
@media(max-width:1023px){.kh-brandbar{padding:15px 0}.kh-contact>.kh-button{display:none}.kh-logo-frame,.kh-logo-frame img{width:66px;height:66px}.kh-navigation a{padding:14px 18px;padding-right:55px;font-size:14px}.kh-search{width:230px}.kh-hero{padding-top:32px}.kh-hero-grid{grid-template-columns:1fr 1fr;gap:26px}.kh-hero h2{font-size:38px}.kh-eyebrow{font-size:9px;letter-spacing:.7px}.kh-hero-promise{font-size:18px}.kh-lead{font-size:14px}.kh-main-photo{height:320px}.kh-visual-bottom{grid-template-columns:1fr 1fr;padding-left:8px;gap:10px;margin-top:-16px}.kh-photo-inset img{height:133px}.kh-workshop-note{padding-top:26px}.kh-workshop-note strong{font-size:16px}.kh-small-label{font-size:7px;letter-spacing:.7px}.kh-workshop-note p{font-size:10px}.kh-proof{grid-template-columns:repeat(2,1fr);margin-top:28px}.kh-proof .kh-proof-item:nth-child(2){border-right:0}.kh-proof .kh-proof-item:nth-child(-n+2){border-bottom:1px solid #edf0e9}.kh-proof strong{font-size:13px}.kh-proof small{font-size:11px}}
@media(max-width:639px){.kh-brandbar{padding:13px 0;gap:10px}.kh-brand{gap:11px}.kh-logo-frame,.kh-logo-frame img{width:57px;height:57px}.kh-brand strong{font-size:13px;max-width:260px;letter-spacing:0}.kh-brand small{font-size:10px;max-width:260px;margin-top:4px}.kh-search{width:155px}.kh-navrow{min-height:56px}.kh-hero{padding-top:30px;padding-bottom:25px}.kh-hero-grid{grid-template-columns:1fr;gap:28px}.kh-eyebrow{font-size:9px;letter-spacing:.8px;margin-bottom:19px}.kh-hero h2{font-size:40px;letter-spacing:-1.4px;line-height:1.09;margin-bottom:14px}.kh-hero-promise{font-size:19px;margin-bottom:15px}.kh-lead{font-size:14px;margin-bottom:17px}.kh-service-tags{gap:6px;margin-bottom:20px}.kh-service-tags span{font-size:10px;padding:5px 8px}.kh-button{font-size:13px;min-height:48px;padding:13px 17px}.kh-actions{gap:3px 15px}.kh-text-link{font-size:12px}.kh-note{font-size:10px;margin-top:12px}.kh-image-topline{font-size:8px;letter-spacing:.8px}.kh-main-photo{height:255px}.kh-visual-bottom{grid-template-columns:1fr 1fr;padding-left:10px;gap:13px;margin-top:-18px}.kh-photo-inset{border-width:5px}.kh-photo-inset img{height:120px}.kh-photo-inset>span{font-size:8px;left:5px;bottom:6px;padding:3px 5px}.kh-workshop-note{padding-top:25px}.kh-workshop-note strong{font-size:16px}.kh-workshop-note p{font-size:9px}.kh-small-label{font-size:7px;margin-bottom:6px}.kh-proof{margin-top:25px}.kh-proof .kh-proof-item{padding:16px 11px;gap:8px;align-items:flex-start}.kh-proof .kh-proof-icon{width:30px;height:30px}.kh-proof svg{width:19px;height:19px}.kh-proof strong{font-size:11px;line-height:1.5}.kh-proof small{font-size:9px;line-height:1.5;margin-top:3px}}
@media(max-width:359px){.kh-brand strong{font-size:12px}.kh-brand small{font-size:9px}.kh-logo-frame,.kh-logo-frame img{width:50px;height:50px}.kh-search{width:122px}.kh-hero h2{font-size:36px}.kh-service-tags span{font-size:9px}.kh-proof .kh-proof-item{padding:14px 8px;gap:6px}.kh-proof strong{font-size:10px}.kh-proof small{font-size:8px}}
/* Revision 3 — header, điều hướng và điểm tiếp xúc. */
.kh-brandbar{padding:17px 0}.kh-logo-frame,.kh-logo-frame img{width:87px;height:87px}.kh-brand{gap:17px}.kh-brand strong{font-size:19px;letter-spacing:-.25px}.kh-brand small{font-size:12px;letter-spacing:.15px}.kh-contact{gap:22px}.kh-phone{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;border:1px solid transparent;transition:background .18s,border-color .18s}.kh-phone:hover{background:#fcfaf3;border-color:#ede4ce}.kh-phone-icon{display:flex;align-items:center;justify-content:center;width:45px;height:45px;flex:none;color:#8d6921;background:#f7f0df;border:1px solid #eee1be;border-radius:50%}.kh-phone-copy{display:block}.kh-phone small{font-size:11px;letter-spacing:.2px;margin-bottom:3px}.kh-phone strong{font-size:23px;letter-spacing:.1px;line-height:1.2}.kh-contact>.kh-button{font-size:12px;min-height:44px;padding:11px 16px;border-radius:5px;background:#fff;color:#5f481b!important;border-color:#d8bc7b}.kh-contact>.kh-button:hover{background:#fbf5e7;border-color:#ac822b}.kh-button{transition:background .18s,box-shadow .18s,transform .18s}.kh-hero .kh-button{box-shadow:0 4px 0 #a17b241b,0 6px 15px #7b5e1f12}.kh-hero .kh-button:hover{box-shadow:0 7px 18px #7b5e1f26;transform:translateY(-1px)}.kh-button:active{transform:translateY(1px);box-shadow:none}
.kh-navrow{min-height:63px;gap:18px}.kh-navigation>ul{gap:19px}.kh-navigation>ul>li>a{position:relative;padding:21px 7px 20px;border-radius:4px 4px 0 0;font-size:13px;transition:background .18s,color .18s}.kh-navigation>ul>li>a:hover{background:#f8f6ef}.kh-navigation>ul>li>a.active:after{content:'';position:absolute;left:7px;right:7px;bottom:0;height:3px;background:#b18b38;border-radius:2px 2px 0 0}.kh-navigation>ul>li.kh-has-submenu>a{padding-right:28px}.kh-sub-toggle{display:flex;align-items:center;justify-content:center;position:absolute;top:17px;right:0;width:26px;height:28px;padding:0;background:transparent;border:0;border-radius:3px;color:#52696e;cursor:pointer}.kh-sub-toggle svg{transition:transform .18s}.kh-sub-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}.kh-sub-toggle:hover{background:#f1ead9;color:#74571a}.kh-navigation li:hover>ul,.kh-navigation li:focus-within>ul{display:none}.kh-navigation li.kh-sub-open>ul{display:block}.kh-navigation li ul{padding:9px!important;border:1px solid #e5e7df;border-top:2px solid #ba9343;border-radius:0 0 7px 7px;box-shadow:0 16px 38px #16363c1a;min-width:290px}.kh-navigation li ul li+li{border-top:1px solid #f0f2ee}.kh-navigation li ul a{padding:13px 14px;font-size:13px;border-radius:4px;color:#314d54!important}.kh-navigation li ul a:hover{background:#f9f5e9;color:#795a18!important}.kh-search{width:150px;height:37px;background:#f7f9f7}.kh-search input{font-size:11px}.kh-languages{gap:3px}.kh-languages a{min-width:27px;min-height:32px;display:flex;align-items:center;justify-content:center;border-radius:3px;color:#62777c;font-size:10px}.kh-languages a:hover{background:#f4f1e7}.kh-languages a.kh-lang-active{color:#765a1d;background:#f6efdc;font-weight:700}.kh-tools{gap:10px}
.kh-hero h2{font-weight:700;letter-spacing:-1.5px;font-size:clamp(38px,3.45vw,50px)}.kh-lead{max-width:525px;text-wrap:pretty}.kh-service-tags{gap:8px}.kh-service-tags>a{display:inline-flex;align-items:center;gap:12px;font-size:11px;color:#486169;padding:7px 10px;border:1px solid #d4ded5;border-radius:4px;background:#fff9;transition:border-color .18s,background .18s}.kh-service-tags>a:hover{border-color:#b39142;background:#fcf6e5;color:#72551b}.kh-service-tags>a>span{border:0;background:none;padding:0;font-size:12px;color:#87672b}.kh-service-tags>a:focus-visible{outline:3px solid #bd8a17;outline-offset:3px}.kh-image-stamp{top:14px;bottom:auto;left:14px}.kh-proof strong{font-size:14px}.kh-proof small{font-size:12px}
/* Thay các nút nổi cũ bằng cùng một cụm liên hệ. */
.kh-redesign #dt-vip,.kh-redesign .nut-zalo,.kh-redesign .nut-map,.kh-redesign .chat_facebook{display:none!important}.kh-redesign #toptop{left:auto!important;right:23px!important;bottom:25px!important;width:36px!important;height:36px!important;border-radius:5px!important;background-color:#526a70!important}
.kh-contact-dock{position:fixed;right:18px;top:48%;transform:translateY(-50%);display:flex;flex-direction:column;padding:5px;background:#fffffff5;border:1px solid #e4e8e0;border-radius:9px;box-shadow:0 8px 25px #17353c14;z-index:11000;font:11px/1.4 Arial,Helvetica,sans-serif}.kh-contact-dock a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px 5px;color:#304e56;text-decoration:none;border-radius:5px;width:76px;text-align:center;transition:background .18s}.kh-contact-dock a:hover{background:#f7f1e1;color:#785a1e}.kh-contact-dock a+a{border-top:1px solid #f0f2ed}.kh-contact-dock .kh-dock-zalo{color:#775919}.kh-contact-dock a:focus-visible{outline:3px solid #bd8a17;outline-offset:2px}
@media(min-width:1024px) and (max-width:1350px){.kh-navigation>ul{gap:10px}.kh-navigation>ul>li>a{font-size:12px;padding-left:4px;padding-right:4px}.kh-navigation>ul>li.kh-has-submenu>a{padding-right:24px}.kh-search{width:126px}.kh-contact-dock{right:7px}.kh-contact-dock a{width:57px;font-size:9px}.kh-hero-grid{gap:38px}.kh-brand strong{font-size:17px}.kh-contact{gap:10px}.kh-phone strong{font-size:21px}.kh-contact>.kh-button{font-size:11px;padding:10px 12px}}
@media(min-width:1024px) and (max-width:1499px){.kh-contact-dock{top:auto;bottom:80px;transform:none}.kh-contact-dock a{width:57px;font-size:9px}}
@media(max-width:1023px){.kh-brandbar{padding:13px 0}.kh-logo-frame,.kh-logo-frame img{width:73px;height:73px}.kh-brand strong{font-size:17px}.kh-brand small{font-size:11px}.kh-phone-icon{width:38px;height:38px}.kh-phone strong{font-size:20px}.kh-contact>.kh-button{display:none}.kh-navigation>ul>li>a{font-size:14px;padding:15px 18px}.kh-navigation>ul>li.kh-has-submenu>a{padding-right:60px}.kh-navigation>ul>li>a.active:after{left:0;top:11px;bottom:11px;right:auto;height:auto;width:3px}.kh-navigation li ul{padding:6px 12px!important;border-top:1px solid #e9e8dd;border-radius:0;box-shadow:none;min-width:0}.kh-navigation li ul a{font-size:13px;padding:12px 14px}.kh-sub-toggle{top:7px;right:10px;width:38px;height:38px;background:#f5f3eb;border:1px solid #e7e6dc}.kh-search{width:230px}.kh-languages a{min-width:32px;min-height:36px;font-size:11px}.kh-navrow{min-height:59px}.kh-proof strong{font-size:13px}.kh-proof small{font-size:11px}.kh-contact-dock{top:auto;bottom:0;right:0;left:0;transform:none;flex-direction:row;justify-content:center;border-radius:0;border:0;border-top:1px solid #e3e6dd;padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:8px;box-shadow:0 -4px 20px #17353c0d}.kh-contact-dock a{flex:1;max-width:340px;width:auto;min-height:45px;flex-direction:row;gap:9px;font-size:13px;font-weight:700;padding:10px;border:1px solid #dbe3df;color:#22424b}.kh-contact-dock a+a{border:1px solid #d6ac46}.kh-contact-dock .kh-dock-zalo{background:#dfb653;color:#21383f}.kh-contact-dock .kh-dock-map{display:none}.kh-redesign{padding-bottom:calc(70px + env(safe-area-inset-bottom))!important}.kh-redesign #toptop{bottom:calc(80px + env(safe-area-inset-bottom))!important;right:12px!important}}
@media(max-width:639px){.kh-logo-frame,.kh-logo-frame img{width:65px;height:65px}.kh-brand strong{font-size:13px;max-width:270px}.kh-brand small{font-size:10px}.kh-brand{gap:12px}.kh-brandbar{padding:12px 0}.kh-search{width:145px}.kh-languages a{min-width:26px;min-height:36px;font-size:10px}.kh-tools{gap:7px}.kh-navrow{gap:8px}.kh-hero h2{font-size:39px;letter-spacing:-1.1px}.kh-service-tags>a{font-size:10px;gap:7px;padding:7px 8px}.kh-service-tags>a>span{font-size:11px}.kh-proof strong{font-size:11px}.kh-proof small{font-size:10px}.kh-image-stamp{font-size:8px;top:10px;left:10px}}
@media(max-width:359px){.kh-logo-frame,.kh-logo-frame img{width:54px;height:54px}.kh-brand strong{font-size:12px}.kh-brand small{font-size:9px}.kh-search{width:114px}.kh-tools{gap:4px}.kh-languages a{min-width:24px}.kh-hero h2{font-size:35px}.kh-service-tags{gap:5px}.kh-service-tags>a{font-size:9px;gap:5px;padding:6px}.kh-proof strong{font-size:10px}.kh-proof small{font-size:9px}}

.kh-menu-toggle svg{vertical-align:-3px;margin-right:4px}.kh-search button{display:flex;align-items:center;justify-content:center}
@media(min-width:1024px){.kh-contact-dock.kh-dock-hidden{display:none}}
/* Revision 4 — hệ màu nhận diện xanh than / vàng đồng / trắng. */
.kh-redesign{--kh-ink:#17333d;--kh-dark:#15323e;--kh-gold:#ddb34b}
.kh-header{border-top:3px solid #b68b32}.kh-brandbar{padding:12px 0}.kh-logo-frame,.kh-logo-frame img{width:81px;height:81px}.kh-brand strong{font-size:19px;color:#19343c;letter-spacing:-.3px}.kh-brand small{font-size:12px}.kh-phone strong{color:#88601e;font-size:24px;font-variant-numeric:tabular-nums;letter-spacing:.2px}.kh-phone-icon{background:#fbf3dc;border-color:#ead6a4;color:#987026}.kh-contact>.kh-button{background:#ddb34b;border-color:#ddb34b;color:#24323a!important;box-shadow:0 3px 8px #8b65171a;font-size:12px;font-weight:700;padding:12px 18px;min-height:45px}.kh-contact>.kh-button:hover{background:#eac773;border-color:#eac773;box-shadow:0 5px 12px #8b65172b}
.kh-navband{background:#15323e;border-top:0;border-bottom:2px solid #bc9441;box-shadow:0 5px 14px #19343c0c}.kh-navrow{min-height:60px}.kh-navigation>ul{gap:13px}.kh-navigation>ul>li>a{color:#f6f7f4!important;font-weight:600;font-size:13px;padding:19px 12px;border:1px solid transparent;border-radius:4px}.kh-navigation>ul>li>a:hover{background:#ffffff0b;color:#eed49a!important}.kh-navigation>ul>li>a.active{background:#ddb34b16;border-color:#ae8b4155;color:#f4d995!important}.kh-navigation>ul>li>a.active:after{left:12px;right:12px;bottom:0;height:2px;background:#dbb45b}.kh-navigation>ul>li.kh-has-submenu>a{padding-right:29px}.kh-navigation .kh-sub-toggle{color:#dec586;top:16px;right:4px}.kh-navigation .kh-sub-toggle:hover{background:#ffffff12;color:#fff}.kh-navigation li ul{background:#fff;border-top:3px solid #c59e4e;top:calc(100% + 1px)}.kh-navigation li ul a{color:#29444e!important}.kh-navigation li ul a:hover{color:#7d5b1c!important;background:#fcf6e8}.kh-tools .kh-search{border-color:#ffffff26;background:#ffffff0b}.kh-tools .kh-search input{color:#f6f7f4}.kh-tools .kh-search input::placeholder{color:#bac8cd;opacity:1}.kh-tools .kh-search button{color:#e6edf0}.kh-languages a{color:#c5d1d6}.kh-languages a:hover{background:#ffffff0e;color:#fff}.kh-languages a.kh-lang-active{background:#e2bd62;color:#17323c}.kh-menu-toggle{background:#ffffff09;color:#fff;border-color:#ffffff35}.kh-header a:focus-visible,.kh-header button:focus-visible,.kh-header input:focus-visible{outline-color:#c2983b}
.kh-hero{background:linear-gradient(105deg,#fff 0%,#fff 45%,#faf8f1 100%);padding-top:40px;padding-bottom:27px;border-bottom:1px solid #ebe6d8;isolation:isolate}.kh-redesign #main>article>.box_slider:has(.kh-hero){background:#fff!important}.kh-hero-grid{grid-template-columns:1fr 1.02fr;gap:54px;position:relative;z-index:1}.kh-hero-copy{padding:7px 0}.kh-eyebrow{font-size:10px;letter-spacing:1.3px;margin-bottom:17px;color:#8c6928}.kh-hero h2{font-size:clamp(37px,3.25vw,47px);line-height:1.12;letter-spacing:-1.45px;margin-bottom:16px;color:#17333d;font-weight:700}.kh-hero h2>span{display:block;color:#916721;margin-bottom:2px}.kh-hero-promise{font-size:20px;font-weight:500;color:#3f5660;margin-bottom:17px}.kh-lead{font-size:14px;line-height:1.8;max-width:530px;margin-bottom:17px;color:#62757b}.kh-service-tags{margin-bottom:22px}.kh-service-tags>a{background:#fff;border-color:#dedfd6;color:#4d6268}.kh-service-tags>a:hover{background:#fbf3df;border-color:#b8923e}.kh-hero .kh-button{background:#ddb34b;border-color:#ddb34b;border-radius:4px;font-size:13px;padding:14px 19px;min-height:49px;box-shadow:0 6px 14px #a0782420}.kh-hero .kh-button:hover{background:#e7c36d;border-color:#e7c36d;box-shadow:0 9px 19px #a0782430}.kh-text-link{font-size:12px}.kh-note{font-size:10px;line-height:1.75;margin-top:14px;color:#7a898c}
.kh-hero-visual{margin:0;border-radius:8px;overflow:hidden;box-shadow:0 13px 32px #1835411a;border:1px solid #e0e3df;background:#15323e}.kh-main-photo-wrap{border-radius:0;box-shadow:none}.kh-main-photo{height:340px;object-fit:cover;object-position:50% 46%;width:100%;border-radius:0}.kh-image-stamp{top:14px;left:14px;background:#fffffff0;color:#42575c;font-size:8px;letter-spacing:1px;border-radius:3px;padding:7px 10px;display:flex;gap:7px;align-items:center}.kh-image-stamp>span{color:#ac852e;font-size:9px}.kh-image-caption{padding:22px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#15323e;border-top:2px solid #c29a45}.kh-caption-eyebrow{display:block;color:#d5b975;font-size:8px;font-weight:700;letter-spacing:1.2px;margin-bottom:8px}.kh-image-caption strong{display:block;color:#fff;font-size:20px;line-height:1.4;letter-spacing:-.2px;font-weight:600}.kh-image-caption p{font-size:10px;color:#bfd0d6;margin:10px 0 0;line-height:1.65}.kh-caption-link{display:flex;align-items:center;justify-content:center;flex:none;width:46px;height:46px;border:1px solid #c6a15b73;border-radius:50%;color:#e7c578!important;transition:background .2s}.kh-caption-link:hover{background:#ffffff0e}.kh-proof{margin-top:31px;box-shadow:0 5px 16px #17333d08;border-color:#e9e5d8}.kh-proof .kh-proof-item{padding:20px}.kh-proof .kh-proof-icon{background:#fbf3df;color:#997223;border:1px solid #f2e5c3}.kh-proof strong{font-size:13px}.kh-proof small{font-size:11px}
@media(min-width:1024px) and (max-width:1350px){.kh-navigation>ul{gap:7px}.kh-navigation>ul>li>a{font-size:12px;padding:19px 7px}.kh-navigation>ul>li.kh-has-submenu>a{padding-right:25px}.kh-navrow{gap:12px}.kh-search{width:123px}.kh-brand strong{font-size:17px}.kh-phone strong{font-size:22px}.kh-contact>.kh-button{font-size:11px;padding:12px}.kh-hero-grid{gap:33px}.kh-hero h2{font-size:42px}.kh-proof .kh-proof-item{padding:19px 14px}}
@media(max-width:1023px){.kh-brandbar{padding:11px 0}.kh-logo-frame,.kh-logo-frame img{width:70px;height:70px}.kh-brand strong{font-size:17px}.kh-phone strong{font-size:21px}.kh-navigation{background:#fff}.kh-navigation>ul>li>a{color:#26434d!important;border:0;border-radius:0;padding:15px 18px;font-size:14px}.kh-navigation>ul>li>a:hover{background:#f8f5eb;color:#76561c!important}.kh-navigation>ul>li>a.active{background:#fbf5e5;color:#7d5b20!important;border:0}.kh-navigation>ul>li>a.active:after{top:11px;bottom:11px;left:0;right:auto;width:3px;height:auto}.kh-navigation .kh-sub-toggle{top:7px;right:10px;color:#806329;background:#f7f1e1;border-color:#e9ddbd}.kh-navigation .kh-sub-toggle:hover{background:#eee3c7;color:#574015}.kh-navigation li ul{border-top:1px solid #eee7d8;background:#fafbf8}.kh-tools .kh-search{width:230px}.kh-hero{padding-top:30px}.kh-hero-grid{gap:27px;grid-template-columns:1fr 1fr}.kh-hero h2{font-size:36px}.kh-hero-promise{font-size:18px}.kh-lead{font-size:13px}.kh-main-photo{height:302px}.kh-image-caption{padding:19px 17px;gap:10px}.kh-image-caption strong{font-size:18px}.kh-image-caption p{font-size:9px}.kh-caption-eyebrow{font-size:7px;letter-spacing:1px}.kh-caption-link{width:39px;height:39px}.kh-proof{margin-top:26px}.kh-proof .kh-proof-item{padding:18px}.kh-proof strong{font-size:13px}.kh-proof small{font-size:11px}}
@media(max-width:639px){.kh-brandbar{padding:11px 0}.kh-logo-frame,.kh-logo-frame img{width:62px;height:62px}.kh-brand strong{font-size:13px}.kh-brand small{font-size:10px}.kh-tools .kh-search{width:145px}.kh-navrow{min-height:56px}.kh-hero{padding-top:28px;padding-bottom:23px}.kh-hero-grid{grid-template-columns:1fr;gap:23px}.kh-hero-copy{padding:0}.kh-eyebrow{font-size:9px;letter-spacing:.8px;margin-bottom:16px}.kh-hero h2{font-size:37px;letter-spacing:-1.1px;line-height:1.13;margin-bottom:15px}.kh-hero-promise{font-size:18px;margin-bottom:14px}.kh-lead{font-size:14px;margin-bottom:16px}.kh-service-tags{margin-bottom:19px}.kh-hero .kh-button{font-size:13px;padding:13px 17px;min-height:48px}.kh-note{font-size:10px}.kh-main-photo{height:250px;object-position:50% 47%}.kh-image-caption{padding:19px 17px}.kh-image-caption strong{font-size:19px}.kh-image-caption p{font-size:9px}.kh-caption-eyebrow{font-size:7px;letter-spacing:.9px}.kh-image-stamp{top:11px;left:11px;font-size:7px}.kh-proof{margin-top:23px}.kh-proof .kh-proof-item{padding:16px 11px}.kh-proof strong{font-size:11px}.kh-proof small{font-size:10px}}
@media(max-width:359px){.kh-logo-frame,.kh-logo-frame img{width:53px;height:53px}.kh-brand strong{font-size:12px}.kh-brand small{font-size:9px}.kh-tools .kh-search{width:114px}.kh-hero h2{font-size:33px}.kh-main-photo{height:225px}.kh-image-caption strong{font-size:17px}.kh-proof .kh-proof-item{padding:14px 8px}.kh-proof strong{font-size:10px}.kh-proof small{font-size:9px}}

.kh-hero:before{content:'';position:absolute;left:-190px;top:65px;width:300px;height:300px;opacity:.06;background:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20240%20240%22%3E%3Cpolygon%20points%3D%22208.00%2C120.00%20220.14%2C133.18%20217.56%2C146.14%20201.30%2C153.68%20196.21%2C164.00%20200.13%2C181.48%20191.42%2C191.42%20173.57%2C189.82%20164.00%2C196.21%20158.65%2C213.31%20146.14%2C217.56%20131.49%2C207.25%20120.00%2C208.00%20106.82%2C220.14%2093.86%2C217.56%2086.32%2C201.30%2076.00%2C196.21%2058.52%2C200.13%2048.58%2C191.42%2050.18%2C173.57%2043.79%2C164.00%2026.69%2C158.65%2022.44%2C146.14%2032.75%2C131.49%2032.00%2C120.00%2019.86%2C106.82%2022.44%2C93.86%2038.70%2C86.32%2043.79%2C76.00%2039.87%2C58.52%2048.58%2C48.58%2066.43%2C50.18%2076.00%2C43.79%2081.35%2C26.69%2093.86%2C22.44%20108.51%2C32.75%20120.00%2C32.00%20133.18%2C19.86%20146.14%2C22.44%20153.68%2C38.70%20164.00%2C43.79%20181.48%2C39.87%20191.42%2C48.58%20189.82%2C66.43%20196.21%2C76.00%20213.31%2C81.35%20217.56%2C93.86%20207.25%2C108.51%22%20fill%3D%22none%22%20stroke%3D%22%238c6726%22%20stroke-width%3D%222%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%22120%22%20r%3D%2254%22%20fill%3D%22none%22%20stroke%3D%22%238c6726%22%20stroke-width%3D%222%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%22120%22%20r%3D%2243%22%20fill%3D%22none%22%20stroke%3D%22%238c6726%22%20stroke-width%3D%221%22%2F%3E%3C%2Fsvg%3E") center/contain no-repeat;pointer-events:none;z-index:0}
@media(max-width:639px){.kh-hero:before{display:none}}