:root{--blue:#0b4aa6;--deep:#0a377d;--cyan:#0b82d2;--ink:#1b2f4b;--muted:#62758f;--line:#d7e3f2;--soft:#f3f8ff;--white:#fff;--shadow:0 18px 50px rgba(22,64,118,.10);--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-family:Arial,"Helvetica Neue","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.6}img,video{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:1000}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(215,227,242,.85)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:50px;height:50px}.brand strong{display:block;color:var(--deep);font-size:1.45rem;line-height:1}.brand small{display:block;color:#8090a6;font-size:.62rem;letter-spacing:.13em;margin-top:4px;font-weight:700}.nav{display:flex;gap:22px;color:#546b88;font-size:.92rem}.nav a:hover{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:10px}.lang{border:0;background:none;color:var(--blue);font-weight:700;cursor:pointer;padding:10px}.contact-btn{display:inline-flex;align-items:center;background:var(--deep);color:#fff;border-radius:4px;padding:11px 16px;font-size:.9rem;font-weight:700}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--deep);font-size:1.2rem}.mobile-nav{padding:10px 0 18px;border-top:1px solid var(--line)}.mobile-nav a{display:block;padding:10px 0;color:#536983}
.eyebrow{margin:0;color:var(--blue);font-size:.78rem;letter-spacing:.16em;font-weight:800;text-transform:uppercase}.hero{position:relative;overflow:hidden;padding:62px 0 34px;background:linear-gradient(180deg,#fbfdff 0%,#f1f7ff 100%)}.hero-globe{position:absolute;right:-40px;top:25px;width:min(520px,45vw);opacity:.38}.hero-grid{display:grid;grid-template-columns:.83fr 1.17fr;gap:52px;align-items:center;position:relative;z-index:2}.hero h1{margin:18px 0 14px;color:var(--deep);font-size:clamp(3.1rem,5.8vw,6.1rem);line-height:.9;letter-spacing:-.055em;max-width:8ch}.hero-sub{margin:0;color:#365779;font-size:1.28rem;line-height:1.45;max-width:30ch}.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.hero-tags span{padding:8px 11px;border:1px solid #bfd1e8;background:rgba(255,255,255,.75);color:var(--deep);font-size:.82rem;font-weight:700;border-radius:999px}.hero-media{height:480px;position:relative}.hero-photo{position:absolute;margin:0;overflow:hidden;border-radius:6px;box-shadow:var(--shadow);background:#dfe9f5}.hero-photo img{width:100%;height:100%;object-fit:cover}.hero-photo-a{left:0;top:0;width:56%;height:72%}.hero-photo-b{right:0;bottom:0;width:56%;height:70%;border:8px solid #fff}.hero-caption{position:absolute;left:6%;bottom:5%;background:var(--deep);color:#fff;padding:13px 16px;box-shadow:0 10px 24px rgba(10,55,125,.28);display:flex;flex-direction:column;gap:2px}.hero-caption strong{font-size:1.03rem}.hero-caption span{font-size:.76rem;color:#d9e8fb}.wave{position:absolute;bottom:-2px;left:0;width:100%;height:32px;object-fit:cover;opacity:.7}
.section{padding:78px 0}.section-soft{background:var(--soft)}.about-grid{display:grid;grid-template-columns:.34fr .66fr;gap:64px}.section-label{display:flex;gap:18px;align-items:flex-start;position:sticky;top:118px;align-self:start}.section-label>span{font-size:.76rem;color:#8ca0b9;border-top:1px solid var(--blue);padding-top:6px}.section-label h2{font-size:2.25rem;color:var(--deep);line-height:1.05;margin:13px 0 0}.about-copy{font-size:1.08rem;color:#3d536e}.about-copy p{margin:0 0 22px}.about-copy .closing{font-size:1.28rem;color:var(--deep);font-weight:700;border-left:3px solid var(--blue);padding-left:18px;margin-top:30px}.lang-block[hidden]{display:none!important}
.section-heading{max-width:850px;margin-bottom:32px}.section-heading h2{font-size:clamp(2rem,3.7vw,3.5rem);line-height:1.03;letter-spacing:-.035em;color:var(--deep);margin:14px 0 15px}.section-heading>p:last-child{margin:0;color:#536983;font-size:1.03rem;line-height:1.75;max-width:75ch}.factory-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-auto-rows:270px;gap:16px}.factory-card{position:relative;margin:0;overflow:hidden;border-radius:6px;background:#dfe9f4}.factory-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.factory-card:hover img{transform:scale(1.018)}.factory-card-tall{grid-row:span 2}.factory-card-wide{grid-column:2/4}.factory-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:42px 18px 16px;color:#fff;background:linear-gradient(180deg,transparent,rgba(5,24,53,.83))}.factory-card figcaption strong{display:block;font-size:1rem}.factory-card figcaption span{display:block;font-size:.78rem;color:#e7eef8;margin-top:3px}
.film-intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}.film-heading{margin:0}.film-hero{margin:0;position:relative;border-radius:7px;overflow:hidden;box-shadow:var(--shadow)}.film-hero img{width:100%;aspect-ratio:1.75/1;object-fit:cover}.film-hero figcaption{position:absolute;left:15px;bottom:14px;background:rgba(7,39,88,.9);color:#fff;padding:8px 11px;font-size:.78rem}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:38px}.metrics>div{padding:23px 20px;display:grid;grid-template-columns:auto 1fr;align-items:end;border-right:1px solid var(--line)}.metrics>div:last-child{border-right:0}.metrics strong{font-size:2.35rem;line-height:1;color:var(--deep);letter-spacing:-.03em}.metrics span{font-size:.82rem;color:var(--blue);font-weight:700;margin:0 0 4px 7px}.metrics small{grid-column:1/3;color:#73859b;margin-top:7px;font-size:.76rem}.film-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}.film-gallery figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}.film-gallery img{width:100%;height:290px;object-fit:cover}.film-gallery figcaption{padding:14px 16px 15px}.film-gallery strong{display:block;color:var(--deep)}.film-gallery span{display:block;color:#728399;font-size:.8rem;margin-top:3px}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.video-card{background:#081a37;border-radius:6px;overflow:hidden;color:#fff}.video-card video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#07152e}.video-card>div{padding:13px 15px 15px}.video-card strong{display:block;font-size:.96rem}.video-card span{display:block;color:#b9c9de;font-size:.78rem;margin-top:3px}
.method-grid{display:grid;grid-template-columns:.42fr .58fr;gap:48px;align-items:center}.method-heading{margin:0}.method-flow{display:grid;grid-template-columns:repeat(11,auto);align-items:center;gap:7px}.method-item{min-width:92px;text-align:center;background:#fff;border:1px solid var(--line);padding:18px 10px;border-radius:8px;box-shadow:0 9px 24px rgba(15,55,112,.06)}.method-icon{width:42px;height:42px;margin:0 auto 9px;display:grid;place-items:center;border-radius:50%;background:#eaf3ff;color:var(--blue);font-weight:800}.method-item strong{display:block;color:var(--deep);font-size:.83rem;white-space:nowrap}.method-item small{display:block;color:#7e8ea3;font-size:.67rem;margin-top:3px}.flow-arrow{color:#9db2cc;font-size:1.2rem}
.belief{padding-top:68px}.belief-panel{text-align:center;max-width:1020px}.belief blockquote{font-size:clamp(2rem,4.5vw,4.6rem);line-height:1.04;letter-spacing:-.045em;color:var(--deep);font-weight:800;margin:17px auto 28px}.values{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.values span{padding:16px 8px;border-right:1px solid var(--line);color:#345478;font-weight:700}.values span:last-child{border-right:0}
.contact-section{background:var(--deep);color:#fff;padding:52px 0}.contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:54px;align-items:center}.contact-section .eyebrow{color:#8cc9ff}.contact-section h2{font-size:2.3rem;line-height:1.05;margin:14px 0 12px}.contact-copy{margin:0;color:#c7d7eb}.contact-links{display:grid;gap:12px}.contact-links a{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16)}.contact-links span{color:#98afd0;font-size:.8rem}.contact-links strong{font-size:.93rem}.footer{padding:20px 0 28px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-brand{display:flex;align-items:center;gap:10px}.footer-brand img{width:42px;height:42px}.footer-brand strong{display:block;color:var(--deep);font-size:.87rem}.footer-brand small{display:block;color:#7b8ca2;font-size:.7rem}.footer-note{color:#8797ab;font-size:.76rem}
@media(max-width:1100px){.nav{display:none}.menu-toggle{display:grid;place-items:center}.hero-grid,.film-intro-grid,.method-grid,.contact-grid{grid-template-columns:1fr}.hero-media{height:410px;max-width:760px}.about-grid{grid-template-columns:1fr}.section-label{position:static}.factory-grid{grid-template-columns:1fr 1fr;grid-auto-rows:250px}.factory-card-tall{grid-row:auto}.factory-card-wide{grid-column:auto}.method-flow{grid-template-columns:repeat(3,1fr);gap:12px}.flow-arrow{display:none}}
@media(max-width:720px){.wrap{width:min(var(--max),calc(100% - 30px))}.header-inner{min-height:72px}.brand img{width:42px;height:42px}.brand strong{font-size:1.2rem}.brand small{font-size:.56rem}.contact-btn{display:none}.hero{padding-top:38px}.hero h1{font-size:3.15rem;max-width:9ch}.hero-sub{font-size:1.08rem}.hero-media{height:310px}.hero-photo-a{width:61%;height:69%}.hero-photo-b{width:62%;height:68%}.hero-caption{left:4%;bottom:3%;padding:9px 11px}.section{padding:56px 0}.section-heading h2{font-size:2.35rem}.about-copy{font-size:1rem}.about-copy .closing{font-size:1.15rem}.factory-grid,.film-gallery,.video-grid{grid-template-columns:1fr}.factory-grid{grid-auto-rows:230px}.factory-card-wide{grid-column:auto}.metrics{grid-template-columns:1fr 1fr}.metrics>div:nth-child(2){border-right:0}.metrics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.film-gallery img{height:230px}.method-flow{grid-template-columns:1fr 1fr}.values{grid-template-columns:1fr}.values span{border-right:0;border-bottom:1px solid var(--line)}.values span:last-child{border-bottom:0}.belief blockquote{font-size:2.45rem}.footer-inner{align-items:flex-start;flex-direction:column}.contact-links a{flex-direction:column;gap:2px}.contact-section h2{font-size:1.9rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:720px){
  body{overflow-x:hidden}
  .hero-globe{right:0}
  .metrics>div{min-width:0;padding:18px 12px}
  .metrics strong{font-size:1.75rem}
  .metrics span{font-size:.72rem;margin-left:4px}
  .metrics small{font-size:.68rem}
}