:root{--ink:#102b40;--blue:#0a4c78;--sky:#41a0cf;--muted:#617482;--paper:#f5f7f8;--line:#dce4e8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",sans-serif;background:white}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.wrap{width:min(1360px,calc(100% - 100px));margin:auto}.topbar{background:#0c2739;color:#b9cbd5;font-size:12px;letter-spacing:.04em}.topbar .wrap{height:35px;display:flex;justify-content:space-between;align-items:center}.header{position:absolute;top:35px;left:0;right:0;z-index:10;background:rgba(255,255,255,.97);box-shadow:0 1px 0 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.wrap{padding:0;display:flex;justify-content:space-between}.scroll-line{display:inline-block;width:46px;height:1px;background:#78bce0;vertical-align:middle;margin-right:12px}.section{padding:110px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:40px}.kicker{font-size:12px;letter-spacing:.22em;font-weight:700;color:#2583b2;text-transform:uppercase}.section h2{font-weight:600;letter-spacing:.06em;font-size:36px;margin:12px 0 0}.section-intro{max-width:460px;color:var(--muted);line-height:1.9;font-size:14px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.about-visual{height:430px;position:relative;background:linear-gradient(135deg,#17394e,#0b2030);overflow:hidden}.about-visual:before,.about-visual:after{content:"";position:absolute;border:1px solid #ffffff2c;border-radius:50%;width:440px;height:440px;right:-45px;top:-35px;box-shadow:0 0 0 35px #ffffff08,0 0 0 70px #ffffff09,0 0 0 105px #ffffff05}.about-visual:after{width:200px;height:200px;top:85px;right:75px;box-shadow:0 0 0 28px #ffffff07}.about-label{position:absolute;bottom:32px;left:36px;color:#e2eef4;z-index:1}.about-label b{display:block;font-size:44px;letter-spacing:.08em}.about-label span{font-size:11px;letter-spacing:.2em;color:#90b9ce}.about-text p{font-size:15px;line-height:2.1;color:#586f7d;margin:26px 0}.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:28px;gap:20px}.facts strong{font-size:26px;font-weight:600;color:#0a527f}.facts span{display:block;color:#81929c;font-size:12px;margin-top:8px}.text-link{display:inline-flex;gap:32px;align-items:center;color:#0a699b;font-size:14px;font-weight:600;margin-top:28px}.text-link:hover{color:#123449}.products{background:#f3f6f8}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d9e3e9}.product{background:#fff;padding:34px 28px 32px;min-height:270px;display:flex;flex-direction:column;transition:.25s}.product:hover{background:#0d547e;color:white;transform:translateY(-5px)}.product .num{color:#99b2c0;font-size:12px;letter-spacing:.12em}.product-icon{font-size:29px;margin:35px 0 21px;color:#2b83ad}.product h3{font-size:19px;margin:0 0 12px}.product p{font-size:13px;line-height:1.8;color:#7a8d98;margin:0}.product:hover p,.product:hover .num,.product:hover .product-icon{color:#c3e2f0}.capabilities{background:#0b2a3e;color:#fff}.capabilities .kicker{color:#63b7df}.cap-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:90px}.cap-copy p{color:#afc5d1;line-height:2;font-size:15px;max-width:520px}.cap-list{border-top:1px solid #ffffff30}.cap-item{padding:24px 0;border-bottom:1px solid #ffffff30;display:grid;grid-template-columns:55px 1fr;gap:10px}.cap-item .index{font-size:12px;color:#60b2d9}.cap-item h3{font-size:19px;margin:0 0 9px;font-weight:500}.cap-item p{font-size:13px;color:#9fb8c5;line-height:1.8;margin:0}.news-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px}.news-feature{background:#e6edf1;min-height:340px;position:relative;overflow:hidden}.news-feature img{width:100%;height:340px;object-fit:cover}.news-feature:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,22,36,.85))}.news-feature div{position:absolute;bottom:25px;left:28px;right:25px;color:white;z-index:1}.news-feature small{font-size:11px;letter-spacing:.12em;color:#b5d2e2}.news-feature h3{font-size:19px;line-height:1.5;margin:8px 0}.news-list a{display:grid;grid-template-columns:80px 1fr 20px;align-items:center;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.news-list time{font-size:12px;color:#7f96a4;line-height:1.6}.news-list b{font-size:15px;line-height:1.6;font-weight:500}.news-list a:hover b{color:#167caf}.contact{padding:65px 0;background:#e8f0f4}.contact 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.navlinks a[aria-current="page"]{color:#0877b2}.navlinks .contact-link[aria-current="page"]{color:white;background:#073e60}.page-banner{height:360px;position:relative;background:linear-gradient(90deg,rgba(4,30,47,.92),rgba(5,38,59,.42)),url('/hero.png') center 46%/cover;color:white;display:flex;align-items:end}.page-banner .wrap{padding-bottom:55px}.page-banner .kicker{color:#83c4e4}.page-banner h1{font-size:44px;letter-spacing:.08em;margin:12px 0}.breadcrumb{font-size:12px;color:#b8d1df}.breadcrumb a:hover{color:white}.detail-contact{padding:85px 0 100px}.contact-list{border-top:1px solid #dce7ed;margin-top:35px}.contact-row{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:baseline;padding:17px 4px;border-bottom:1px solid #e3ebef}.contact-row small{color:#7e96a3;font-size:12px;letter-spacing:.06em}.contact-row strong{font-size:16px;font-weight:500;line-height:1.8;color:#183d55;word-break:break-word}.contact-row a{color:#0a5f8c}.contact-row a:hover{text-decoration:underline}.career-panel{max-width:750px}.career-panel p{color:#617986;line-height:2;font-size:15px}.inner-page .section{min-height:340px}.inner-page .about-text .text-link,.inner-page .cap-copy .text-link,.inner-page .news .section-head .text-link{display:none}@media(max-width:760px){.page-banner{height:300px}.page-banner .wrap{padding-bottom:38px}.page-banner h1{font-size:32px}.contact-row{grid-template-columns:1fr;gap:5px;padding:15px 0}.detail-contact{padding:60px 0}.inner-page .section{min-height:0}}
.news-categories{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px}.news-categories a{padding:8px 14px;background:#edf4f7;color:#285570}.news-categories a[aria-current="page"]{background:#126d9c;color:#fff}.news-list>div{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid #e0e9ee;color:#738b99}.news-feature[aria-disabled="true"]{cursor:default}
/* 阶段4-5：详情页重做、首屏大图与正文自适应 */
.hero .hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero:before{z-index:1}
.hero .wrap{position:relative;z-index:2}
.article-page{max-width:900px;padding:150px 0 72px}
.article-page .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.article-page .breadcrumb a{color:var(--blue)}
.article-page h1{font-size:32px;line-height:1.4;margin:0 0 12px}
.article-meta{color:var(--muted);font-size:14px;margin:0 0 22px}
.article-cover{margin:0 0 26px;border-radius:10px;overflow:hidden;background:#e6edf1}
.article-cover img{width:100%;height:auto;display:block}
.article-body{line-height:1.9;overflow-wrap:anywhere;font-size:16px;color:#22404f}
.article-body img{max-width:100%;height:auto;border-radius:8px}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;margin:16px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:8px 12px;text-align:left}
.article-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid var(--line)}
.article-nav a{flex:1 1 240px;min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);text-decoration:none}
.article-nav a span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.article-nav a b{display:block;font-size:14px;line-height:1.55}
.article-nav a:hover{border-color:var(--sky);background:#eef4f8}
.article-back{flex:1 1 100%;text-align:center}
.article-error{color:#8a5a12}
@media(max-width:640px){.article-page{padding:118px 0 56px}.article-page h1{font-size:24px}.article-nav a{flex:1 1 100%}}