:root{--navy:#061424;--blue:#0d3150;--sky:#dceaf2;--white:#fff;--ink:#0b1723;--muted:#65727e;--gold:#d8a64d;--line:rgba(6,20,36,.14);--pad:clamp(1.25rem,5vw,5rem);--radius:.25rem}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:5rem}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","微软雅黑",sans-serif;background:#fff;overflow-x:hidden}body.menu-open{overflow:hidden}img,video{display:block;max-width:100%}button,select,a{font:inherit}button,a{touch-action:manipulation}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:fixed;inset:0 0 auto;z-index:50;height:5rem;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;color:#fff;border-bottom:1px solid rgba(255,255,255,.22);transition:.3s;background:linear-gradient(180deg,rgba(2,13,25,.75),transparent)}.site-header.scrolled{background:rgba(6,20,36,.96);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:.65rem;color:inherit;text-decoration:none}.brand img{width:2.8rem;height:2.8rem;object-fit:contain}.brand strong,.brand small{display:block;letter-spacing:.22em}.brand strong{font-size:.92rem}.brand small{font-size:.56rem;color:#efbd68;margin-top:.2rem}.desktop-nav{display:flex;gap:2rem}.desktop-nav a{color:inherit;text-decoration:none;text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;position:relative}.desktop-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-.55rem;height:1px;background:var(--gold);transition:.25s}.desktop-nav a:hover:after,.desktop-nav a:focus-visible:after{right:0}.header-tools{display:flex;align-items:center;gap:1rem}.language-control select{color:#fff;background:rgba(255,255,255,.1);border:1px solid 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#ffffff66;border-radius:50%;width:3rem;height:3rem;font-size:1.8rem}.menu-scrim{position:fixed;z-index:60;inset:0;background:#020a12a8}.hero{position:relative;min-height:100svh;display:grid;align-items:end;color:#fff;overflow:hidden}.hero>video,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-shade{background:linear-gradient(90deg,rgba(2,12,23,.82),rgba(2,12,23,.22) 62%,rgba(2,12,23,.35)),linear-gradient(0deg,rgba(2,12,23,.58),transparent 45%)}.hero-content{position:relative;z-index:2;padding:10rem var(--pad) 8vh;max-width:70rem}.eyebrow{margin:0 0 1.2rem;text-transform:uppercase;letter-spacing:.2em;font-weight:700;font-size:.72rem}.eyebrow.navy{color:var(--blue)}h1,h2{font-family:"Microsoft 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img{width:2.7rem}.hero-lockup small{display:block;color:#efbd68;font-size:.55rem;margin-top:.2rem}.video-controls{position:absolute;z-index:3;right:var(--pad);bottom:2rem;display:flex;gap:.5rem}.video-controls button{width:3rem;height:3rem;border-radius:50%;border:1px solid #ffffff80;background:#07142180;color:#fff}.video-controls button:hover,.video-controls button:focus-visible{background:#fff;color:var(--navy)}.scroll-cue{position:absolute;z-index:3;left:50%;bottom:2rem;width:2rem;height:3rem;border:1px solid #ffffff80;border-radius:1rem}.scroll-cue span{display:block;width:4px;height:4px;background:#fff;border-radius:50%;margin:.6rem auto;animation:scroll 1.5s infinite}@keyframes scroll{to{transform:translateY(1.1rem);opacity:0}}.section{padding:clamp(5rem,10vw,9rem) var(--pad)}.section-heading{display:grid;grid-template-columns:minmax(13rem,.55fr) 1.2fr .85fr;gap:clamp(2rem,5vw,5rem);align-items:start;margin-bottom:4rem}.section-heading>p:last-child{color:var(--muted);line-height:1.7;margin:0;max-width:36rem}.section-heading.compact{grid-template-columns:.55fr 1.8fr}.vessel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.vessel-card{display:grid;text-align:left;border:0;background:#fff;padding:0;cursor:pointer;min-width:0}.vessel-card:hover .vessel-visual img,.vessel-card:focus-visible .vessel-visual img{transform:scale(1.04) translateY(-.4rem)}.vessel-card:focus-visible{outline:3px solid var(--gold);outline-offset:-3px}.vessel-visual{height:clamp(18rem,34vw,30rem);display:grid;place-items:center;padding:2rem;background:linear-gradient(#f7fafc,#fff);overflow:hidden}.vessel-visual img{width:100%;height:100%;object-fit:contain;transition:.4s}.vessel-visual .mirror-horizontal{transform:scaleX(-1)}.vessel-card:hover .vessel-visual .mirror-horizontal,.vessel-card:focus-visible .vessel-visual .mirror-horizontal{transform:scaleX(-1) scale(1.04) translateY(-.4rem)}.vessel-content{padding:1.8rem;display:grid;gap:.8rem;border-top:1px solid var(--line)}.vessel-content strong{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:1.8rem;font-weight:400}.vessel-content small{color:var(--muted);font-size:1rem;line-height:1.55;min-height:3em}.vessel-content>span{margin-top:.7rem;text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:700;color:var(--blue)}.services{display:grid;grid-template-columns:.8fr 1.2fr;background:var(--blue);color:#fff}.services-copy{padding:clamp(4rem,8vw,8rem) var(--pad);align-self:center}.services-copy h2{max-width:11ch}.services-copy>p:last-of-type{max-width:34rem;line-height:1.7;color:#d5e4ed;margin:2rem 0}.text-link{color:#fff;text-transform:uppercase;letter-spacing:.13em;font-size:.77rem}.services-images{display:grid;grid-template-rows:1fr 1fr;min-height:62rem}.services-images figure{margin:0;min-height:0;overflow:hidden}.services-images img{width:100%;height:100%;object-fit:cover;transition:.5s}.services-images .crop-top{object-position:center 58%}.services-images .crop-bottom{object-position:center 44%}.services-images figure:hover img{transform:scale(1.03)}.green-feature{position:relative;min-height:80svh;color:#fff;display:grid;align-items:end;overflow:hidden}.green-feature>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.green-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,36,.58),rgba(6,20,36,.08) 45%,rgba(6,20,36,.3))}.green-overlay{position:relative;z-index:2;background:rgba(8,56,83,.58);backdrop-filter:blur(14px) saturate(115%);width:min(40rem,86vw);padding:clamp(2rem,6vw,5rem);margin:0 var(--pad) 5vw auto}.green-overlay p:last-child{line-height:1.7;color:#e5f0f4;margin-top:1.6rem}.gallery .section-heading.compact{grid-template-columns:1fr}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.gallery-grid button{position:relative;border:0;padding:0;background:#ddd;aspect-ratio:4/3;overflow:hidden;cursor:zoom-in}.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:.35s}.gallery-grid button:hover img,.gallery-grid button:focus-visible img{transform:scale(1.04)}.gallery-grid span{position:absolute;left:1rem;bottom:1rem;background:#fff;color:var(--navy);padding:.45rem .6rem;font-size:.7rem;font-weight:700}.expertise{position:relative;min-height:56rem;color:#fff;padding:clamp(5rem,9vw,9rem) var(--pad);display:grid;grid-template-columns:.9fr 1.1fr;gap:8vw;align-items:end;overflow:hidden}.expertise-bg,.expertise-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.expertise-shade{background:linear-gradient(90deg,rgba(6,20,36,.9),rgba(6,20,36,.38))}.expertise-intro,.service-list{position:relative;z-index:2}.expertise-intro h2{max-width:10ch}.expertise-intro>p:last-child{line-height:1.7;color:#d8e5eb;max-width:34rem}.service-list{display:grid;border-top:1px solid #ffffff66}.service-list button{display:grid;grid-template-columns:3rem 1fr;gap:.25rem 1rem;text-align:left;padding:1.4rem .5rem;color:#fff;background:transparent;border:0;border-bottom:1px solid #ffffff66;cursor:pointer}.service-list button:hover,.service-list button:focus-visible{background:#ffffff17}.service-list span{grid-row:1/3;color:#efbd68;font-size:.72rem}.service-list strong{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:1.45rem;font-weight:400}.service-list small{font-size:.92rem;line-height:1.5;color:#d7e3e8}.contact{padding:clamp(5rem,10vw,9rem) var(--pad);display:grid;grid-template-columns:1.2fr .8fr;gap:8vw;background:#eef4f7}.contact h2{max-width:12ch}.contact-actions p{line-height:1.7;color:var(--muted);margin:0 0 2rem}.copy-button{display:block;margin-top:1rem;border:0;background:transparent;padding:.5rem 0;border-bottom:1px solid var(--navy);cursor:pointer}footer{padding:2rem var(--pad);background:var(--navy);color:#b9c7d0;display:flex;align-items:center;justify-content:space-between;gap:2rem;font-size:.78rem}.footer-brand{display:flex;align-items:center;gap:.7rem;color:#fff;letter-spacing:.12em}.footer-brand img{width:2rem}.detail-dialog,.lightbox{border:0;padding:clamp(2rem,5vw,4rem);width:min(42rem,calc(100vw - 2rem));box-shadow:0 1.5rem 5rem #0008}.detail-dialog::backdrop,.lightbox::backdrop{background:#03101ce0}.dialog-close{position:absolute;top:1rem;right:1rem;width:2.8rem;height:2.8rem;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.5rem}.detail-dialog h2{font-size:clamp(2.2rem,5vw,4rem)}.detail-dialog>p:not(.eyebrow){color:var(--muted);line-height:1.7;margin:1.5rem 0 2rem}.lightbox{width:min(92vw,90rem);height:min(88vh,60rem);background:#020a12;padding:3rem;overflow:hidden}.lightbox img{width:100%;height:100%;object-fit:contain}.lightbox .dialog-close{color:#fff;background:#ffffff20;border-color:#ffffff66}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:3.2rem;height:3.2rem;border-radius:50%;border:1px solid #ffffff66;background:#020a1288;color:#fff;font-size:2rem}.lightbox-nav.prev{left:.6rem}.lightbox-nav.next{right:.6rem}.toast{position:fixed;z-index:100;left:50%;bottom:2rem;transform:translate(-50%,2rem);background:var(--navy);color:#fff;padding:.9rem 1.2rem;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}[dir=rtl] .section-heading,[dir=rtl] .services,[dir=rtl] .expertise,[dir=rtl] .contact{direction:rtl}[dir=rtl] .vessel-card,[dir=rtl] .service-list button{text-align:right}
@media(max-width:900px){.desktop-nav{display:none}.menu-toggle{display:block}.hero-lockup{display:flex}.hero-content{padding-bottom:7rem}.section-heading,.section-heading.compact{grid-template-columns:1fr;gap:1.2rem}.vessel-grid{grid-template-columns:1fr}.vessel-visual{height:24rem}.services{grid-template-columns:1fr}.services-images{min-height:44rem}.gallery-grid{grid-template-columns:repeat(2,1fr)}.expertise{grid-template-columns:1fr;align-content:end}.contact{grid-template-columns:1fr}footer{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.site-header{height:4.5rem}.brand img{width:2.4rem;height:2.4rem}.brand strong{font-size:.72rem}.language-control select{max-width:7.7rem}.hero{min-height:44rem}.hero-content{padding-top:12rem}.hero-lockup{top:5.6rem}.hero h1{font-size:clamp(2.8rem,14vw,4.6rem)}.scroll-cue{display:none}.video-controls{bottom:1.2rem}.vessel-visual{height:19rem;padding:1rem}.services-images{min-height:34rem}.green-feature{min-height:44rem}.green-overlay{margin:0;width:100%}.gallery-grid{grid-template-columns:1fr}.expertise{min-height:62rem}.service-list strong{font-size:1.2rem}footer{font-size:.7rem}.lightbox{padding:3.5rem 1rem 1rem}.lightbox-nav{top:auto;bottom:.5rem;transform:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}