:root{color-scheme:dark;--bg:#071924;--panel:#102b39;--white:#f7fafb;--soft:#c3d2da;--accent:#72d6dd;--line:#ffffff28}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--white);font:17px/1.7 Arial,Helvetica,sans-serif}a{color:inherit;text-underline-offset:6px}button{font:inherit;color:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px}button,a,summary{touch-action:manipulation}.skip{position:fixed;top:-100px;left:20px;background:#fff;color:#071924;padding:12px;z-index:10}.skip:focus{top:12px}.container{width:min(1240px,88%);margin:auto}header{position:absolute;top:0;width:100%;z-index:5;border-bottom:1px solid var(--line);background:linear-gradient(#071924aa,transparent)}.header-inner{height:116px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:18px;text-decoration:none}.logo{width:86px;height:86px;object-fit:contain;filter:grayscale(1) invert(1);mix-blend-mode:screen}.wordmark{font-size:21px;font-weight:700;letter-spacing:.12em;line-height:1.1}.wordmark small{font-size:10px;font-weight:400;letter-spacing:.22em;display:block;margin-top:9px}.nav{display:flex;gap:29px;align-items:center}.nav a{font-size:14px;text-decoration:none;padding:12px 0;position:relative}.nav a[aria-current=page]:after{content:'';position:absolute;bottom:4px;height:2px;background:var(--accent);left:0;right:0}.nav a:hover{color:var(--accent)}.menu-button{display:none;background:transparent;border:1px solid var(--line);padding:10px 15px;cursor:pointer}.hero{min-height:790px;min-height:92svh;display:flex;align-items:center;position:relative;isolation:isolate;padding:175px 0 125px;background:#0e3545;overflow:hidden}.hero:before{content:'';position:absolute;inset:0;z-index:-2;background-image:var(--hero-image);background-position:center;background-size:cover;animation:drift 18s ease-out both}.hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#061823ef 0%,#061823a8 55%,#06182344),linear-gradient(0deg,#071924 0%,transparent 45%)}.kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 24px}.hero h1{font-size:clamp(48px,6.3vw,90px);font-weight:400;letter-spacing:-.055em;line-height:1.05;max-width:970px;margin:0 0 28px}.hero h1 em{font-family:Georgia,serif;font-weight:400}.hero .lead{max-width:570px;font-size:19px;color:var(--soft);line-height:1.7}.actions{display:flex;gap:27px;align-items:center;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:35px;padding:13px 23px;border:1px solid #ffffff80;text-decoration:none;font-size:15px;transition:background .2s}.btn.primary{background:var(--white);color:var(--bg);border-color:var(--white)}.btn:hover{background:var(--accent);color:var(--bg);border-color:var(--accent)}.text-link{font-size:15px;text-decoration:none;border-bottom:1px solid #ffffff70;padding:8px 0}.hero-note{position:absolute;bottom:32px;left:6%;right:6%;display:flex;justify-content:space-between;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);border-top:1px solid var(--line);padding-top:22px}.section{padding:95px 0}.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}.section h2{font-size:clamp(34px,3.4vw,48px);font-weight:400;letter-spacing:-.04em;line-height:1.15;margin:0 0 30px}.section p{color:var(--soft)}.section p:first-child{margin-top:0}.panel{background:var(--panel)}.rule{border-top:1px solid var(--line)}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:42px}.tile{border-top:1px solid var(--line);padding-top:28px}.tile .num{font-size:12px;letter-spacing:.15em;color:var(--accent)}h3{font-weight:400;font-size:24px;line-height:1.3;letter-spacing:-.02em}.tile p{font-size:16px}.page-hero{min-height:500px;padding:200px 0 75px;background:linear-gradient(120deg,#173e4c,#071924);position:relative}.page-hero h1{font-size:clamp(48px,6vw,80px);font-weight:400;line-height:1.06;letter-spacing:-.05em;margin:0 0 22px}.page-hero .lead{max-width:650px;color:var(--soft);font-size:20px}.product-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;display:flex;gap:24px;align-items:center;cursor:pointer;padding:28px 0;font-size:28px;line-height:1.25}summary::-webkit-details-marker{display:none}summary .num{font-size:12px;color:var(--accent);min-width:26px}summary:after{content:'+';margin-left:auto;color:var(--accent);font-size:30px}details[open] summary:after{content:'−'}details .detail{padding:0 40px 26px 50px;max-width:830px}.detail p{margin-top:0}.regions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.regions span{border:1px solid var(--line);padding:11px 18px;font-size:15px}.callout{padding:60px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:35px;align-items:center}.callout h2{font-size:35px;margin:0;line-height:1.2;font-weight:400}.callout .btn{flex-shrink:0}.contact-email{font-size:clamp(25px,4vw,48px);letter-spacing:-.03em;overflow-wrap:anywhere}.contact-box{padding:35px;background:var(--panel)}address{font-style:normal;color:var(--soft)}footer{padding:45px 0 25px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:35px;margin-bottom:40px}.footer-logo{width:118px;height:118px}.footer-links{display:flex;gap:25px;flex-wrap:wrap;font-size:14px}.footer-base{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:25px;font-size:12px;color:var(--soft)}.view[hidden]{display:none}.view{animation:enter .45s ease-out}.reveal{animation:enter .6s ease-out}.muted{color:var(--soft)}@keyframes enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes drift{from{transform:scale(1.05)}to{transform:scale(1)}}@media(max-width:1000px){.wordmark{font-size:17px}.nav{gap:19px}.two-col{gap:45px}.header-inner{height:100px}.logo{width:70px;height:70px}}@media(max-width:760px){.container{width:88%}.header-inner{height:88px}.logo{width:60px;height:60px}.brand{gap:10px}.wordmark{font-size:15px;letter-spacing:.08em}.wordmark small{font-size:8px}.menu-button{display:block;font-size:14px}.nav{display:none;position:absolute;left:0;right:0;top:88px;background:#0b2635;padding:20px 6% 30px;border-bottom:1px solid var(--line)}.nav.open{display:flex;flex-direction:column;align-items:stretch;gap:3px}.nav a{font-size:18px;padding:13px 0}.nav a[aria-current=page]:after{right:auto;width:30px}.hero{min-height:760px;min-height:95svh;padding:155px 0 130px}.hero h1{font-size:clamp(44px,10.5vw,70px)}.hero .lead{font-size:17px}.hero-note{font-size:10px;letter-spacing:.08em;gap:15px;bottom:27px}.hero-note span:last-child{max-width:115px;text-align:right}.section{padding:60px 0}.two-col,.tiles{grid-template-columns:1fr;gap:25px}.tiles{margin-top:25px}.tile{padding-top:18px}.page-hero{padding:155px 0 55px;min-height:430px}.page-hero .lead{font-size:18px}.page-hero h1{font-size:50px}summary{font-size:24px;padding:23px 0}details .detail{padding-left:0;padding-right:0}.callout{display:block;padding:45px 0}.callout .btn{margin-top:25px}.footer-top{align-items:start;flex-direction:column;gap:20px}.footer-links{gap:15px 25px}.footer-base{display:block}.footer-base span{display:block;margin-bottom:10px}.contact-box{padding:25px}.actions{gap:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before{animation:none!important;transition:none!important}}

:root{--hero-image:url('oil-tanker.jpg')}
:root{--hero-image:url('oil-tanker.jpg')}/* Refined branding and logistics gallery */
.logo{filter:none;mix-blend-mode:normal;background:transparent}.wordmark{font-family:Arial,Helvetica,sans-serif;font-size:18px;font-weight:700;letter-spacing:.09em;line-height:1.5}.wordmark>span{display:block}.header-inner{height:120px}.brand{gap:18px}.nav{gap:24px}.gallery-intro{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:36px}.gallery-intro h2{margin-bottom:0}.gallery-intro>p{max-width:480px;margin:0}.logistics-gallery{position:relative;border:1px solid var(--line);background:#0b2635;overflow:hidden}.gallery-stage{position:relative;aspect-ratio:16/8;min-height:360px}.logistics-slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity 1s ease;pointer-events:none}.logistics-slide.active{opacity:1;z-index:1}.logistics-slide img{width:100%;height:100%;object-fit:cover}.logistics-slide:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#071924f0,transparent 75%)}.logistics-slide figcaption{position:absolute;z-index:2;bottom:35px;left:35px;right:35px;max-width:650px}.logistics-slide h3{font-size:32px;margin:6px 0 12px}.logistics-slide p{font-size:16px;color:white;margin:0}.logistics-slide .kicker{color:var(--accent);font-size:12px}.gallery-controls{padding:20px 28px;display:flex;gap:12px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.gallery-controls button{cursor:pointer;background:transparent;border:1px solid #ffffff60;min-height:44px;min-width:44px;padding:8px 14px;font-size:14px}.gallery-controls button:hover{background:#ffffff18}.gallery-count{margin-right:auto;font-size:14px;color:var(--soft)}.picture-note{font-size:12px;margin-top:15px;color:var(--soft)}.picture-note a{color:inherit}.route-copy{max-width:760px}.rail-strip{width:100%;aspect-ratio:16/7;object-fit:cover;display:block;margin-top:35px}.footer-base{font-size:12px}.credit-list{max-width:530px}.credit-list a{display:inline}
@media(max-width:1100px){.wordmark{font-size:15px}.nav{gap:20px}}
@media(max-width:980px){.menu-button{display:block;font-size:14px}.nav{display:none;position:absolute;left:0;right:0;top:100px;background:#0b2635;padding:20px 6% 30px;border-bottom:1px solid var(--line)}.nav.open{display:flex;flex-direction:column;align-items:stretch;gap:3px}.nav a{font-size:18px;padding:13px 0}.header-inner{height:100px}.nav a[aria-current=page]:after{right:auto;width:30px}}
@media(max-width:760px){.wordmark{font-size:12px;letter-spacing:.045em;line-height:1.5}.wordmark>span:last-child{max-width:185px}.brand{gap:10px}.header-inner{height:100px}.logo{width:58px;height:58px}.gallery-intro{display:block}.gallery-intro>p{margin-top:25px}.gallery-stage{aspect-ratio:3/4;min-height:420px}.logistics-slide figcaption{left:23px;right:23px;bottom:25px}.logistics-slide h3{font-size:27px}.logistics-slide p{font-size:15px}.gallery-controls{padding:16px;gap:8px}.rail-strip{aspect-ratio:4/3}.gallery-count{font-size:12px}}
@media(max-width:370px){.wordmark{font-size:10px}.brand{gap:7px}.logo{width:48px;height:48px}.menu-button{padding:9px}}

/* Requested single-line company name and softly rounded pictures. */
.wordmark{white-space:nowrap;font-size:18px;letter-spacing:.09em}
.hero,.logistics-gallery,.rail-strip{border-radius:18px;overflow:hidden}
@media(min-width:981px) and (max-width:1300px){.wordmark{font-size:14px;letter-spacing:.04em}.nav{gap:16px}}
@media(max-width:980px){.wordmark{font-size:clamp(10px,2vw,16px);letter-spacing:.04em}}
@media(max-width:600px){.header-inner{position:relative;align-items:flex-start;padding-top:16px}.brand{gap:8px}.brand .logo{width:40px;height:40px}.wordmark{font-size:clamp(8px,2.42vw,14px);letter-spacing:.025em;line-height:40px}.menu-button{position:absolute;right:0;bottom:8px;padding:4px 12px;min-height:30px}.nav{position:fixed;top:100px}.hero,.logistics-gallery,.rail-strip{border-radius:14px}}
/* Contextual backgrounds for the four inner-page banners. */
.page-hero{background-color:#071924;background-size:cover;background-position:center;overflow:hidden}
#about .page-hero{background-image:linear-gradient(90deg,#071924e8,#07192488),url('oil-tanker.jpg');background-position:center 48%}
#trading .page-hero{background-image:linear-gradient(90deg,#071924e8,#07192488),url('refinery-loading.png');background-position:center 53%}
#approach .page-hero{background-image:linear-gradient(90deg,#071924e8,#07192488),url('rail-transport.png');background-position:center 55%}
#contact .page-hero{background-image:linear-gradient(90deg,#071924e8,#07192488),url('terminal-discharge.png');background-position:center 42%}
.contact-box{border-radius:18px;overflow:hidden}
@media(max-width:760px){.contact-box{border-radius:14px}.page-hero{background-position:60% center!important}}
/* Rounded controls and compact mobile footer. */
.btn,.menu-button,.gallery-controls button,.regions span{border-radius:14px}
.btn.primary{background:transparent;color:var(--white);border:1px solid #ffffff80}
.btn.primary:hover{background:#ffffff12;color:white;border-color:white}
.btn span[aria-hidden]{font-family:Arial,Helvetica,sans-serif;font-variant-emoji:text;color:white;background:none;border:0}
.footer-base{display:block;font-size:11px;line-height:1.65}
.footer-base span{display:inline;margin:0}
.footer-base span+span:before{content:' '}
.footer-base br{display:none}
@media(max-width:760px){
.footer-top{flex-direction:row;align-items:center;gap:20px}
.footer-top>a{flex:0 0 65px}
.footer-logo{width:65px;height:65px}
.footer-links{flex:1;display:flex;align-items:center;gap:8px 14px}
.footer-links a{font-size:13px;white-space:nowrap}
.footer-base{font-size:10px}
.footer-base span{display:inline;margin:0}
.gallery-controls button[data-gallery="prev"],.gallery-controls button[data-gallery="next"]{background:none;border:0;color:white;font-family:Arial,Helvetica,sans-serif;font-size:23px;font-weight:300;padding:8px;min-width:44px}
.btn span[aria-hidden]{background:none;border:0;padding:0;font-size:20px}
}
.motion-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s;pointer-events:none}
.motion-video.ready{opacity:1}.hero-video{z-index:-2}
.motion-toggle{position:absolute;right:6%;bottom:108px;z-index:2;border:1px solid #ffffff80;border-radius:14px;background:#07192455;padding:8px 14px;font-size:12px;cursor:pointer}
@media(prefers-reduced-motion:reduce){.motion-video{display:none}.motion-toggle{display:none}}

/* Compact mobile actions and overlapping, gentle slide dissolves. */
.logistics-slide{transition:opacity 1.2s cubic-bezier(.4,0,.2,1)}
@media(max-width:760px){.btn,.gallery-controls button,.menu-button{padding:8px 14px;font-size:12px;line-height:1.7;min-height:0}.btn{gap:14px;width:auto}.btn span[aria-hidden]{font-size:15px}.gallery-controls button{min-width:36px}.text-link{font-size:12px}}

/* Keep muted video visible to mobile autoplay policies; poster covers loading. */
.motion-video{opacity:1}
@media(max-width:760px){.footer-top{gap:8px}.footer-top>a{flex:0 0 38px}.footer-logo{width:38px;height:38px}.footer-links{flex-wrap:nowrap;gap:clamp(4px,1.8vw,12px);justify-content:space-between;min-width:0}.footer-links a{font-size:clamp(9px,2.55vw,13px);white-space:nowrap}}

@media(max-width:760px){.footer-links{justify-content:flex-start;gap:6px}}

/* One full vertical-axis turn; logo dimensions remain stable while turning. */
.logo{flex-shrink:0;transform-box:border-box;transform-origin:center center}
@media(max-width:760px){.brand .logo{width:81.2px;height:81.2px}.footer-top>a{flex-basis:53.2px}.footer-logo{width:53.2px;height:53.2px}}
@media(max-width:600px){.brand .logo{width:56px;height:56px}.wordmark{line-height:56px}}

/* Increase the existing brand logos by a further twenty percent. */
.brand .logo{width:103.2px;height:103.2px}.footer-logo{width:141.6px;height:141.6px}
@media(max-width:760px){.brand .logo{width:97.44px;height:97.44px}.footer-top>a{flex-basis:63.84px}.footer-logo{width:63.84px;height:63.84px}}
@media(max-width:600px){.brand .logo{width:67.2px;height:67.2px}.wordmark{line-height:67.2px}}

/* Language selection follows the existing outlined, rounded controls. */
.header-inner{position:relative;padding-top:22px}
.language-switch{position:absolute;right:0;top:5px;display:flex;align-items:center;gap:5px;color:white;font-size:12px;z-index:12}
.language-switch svg{fill:none;stroke:currentColor;stroke-width:1.4}
.language-switch select{font:inherit;color:white;background:#102d3a;border:1px solid #ffffff55;border-radius:8px;padding:4px 7px;max-width:112px;cursor:pointer}
.language-switch select:focus-visible{outline:2px solid #81e3ed;outline-offset:2px}
html[lang=zh-CN] body{font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif}
html[lang=zh-CN] h1,html[lang=zh-CN] h2{letter-spacing:0;line-height:1.2}
html[lang=ru] .nav{gap:20px}
@media(max-width:760px){.language-switch{top:auto;bottom:7px;right:78px}.header-inner{padding-top:16px}html[lang=ru] .footer-links{gap:6px}html[lang=ru] .footer-links a{font-size:10px}.language-switch select{font-size:12px;padding:3px 5px}}
@media(max-width:380px){html[lang=ru] .footer-links a{font-size:9px}html[lang=ru] .footer-links{gap:4px}}
html[lang=ru] h1,html[lang=ru] h2,html[lang=ru] h3{overflow-wrap:anywhere;hyphens:auto}