:root{--ink:#14202b;--body:#2b3742;--muted:#5f6d78;--rule:#d7dde1;--bg:#f4f6f5;--surface:#fff;--navy:#0b2f56;--navy-deep:#081f3a;--jde:#0e5fb0;--jde-soft:#e6eef8;--green:#7fa98a;--green-soft:#e9f1eb;--footer:#0e1a26;--footer-ink:#c4cfd8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--body);font-size:16px;line-height:1.85;font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic UI","Yu Gothic","Meiryo","Noto Sans JP","Noto Sans CJK JP",sans-serif;-webkit-font-smoothing:antialiased}
html[lang="zh-CN"] body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",sans-serif}
html[lang="en"] body{font-family:-apple-system,"Segoe UI",Helvetica,Arial,"Noto Sans",sans-serif}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700}
.serif{font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP","Noto Serif CJK JP","Songti SC","SimSun",Georgia,serif}
html[lang="zh-CN"] .serif{font-family:"Songti SC","STSong","SimSun","Noto Serif SC","Noto Serif CJK SC",serif}
html[lang="en"] .serif{font-family:Georgia,"Times New Roman",serif}
.num{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-variant-numeric:tabular-nums}
a{color:var(--jde);text-decoration:none}a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--jde);outline-offset:2px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px}.skip:focus{left:8px;top:8px;z-index:100}
/* header */
.topline{height:4px;background:var(--navy)}
header.site{background:var(--surface);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;gap:16px;min-height:70px}
header.site .logo img{height:36px;width:auto}
header.site nav{margin-left:auto}
header.site nav ul{list-style:none;margin:0;padding:0;display:flex;gap:0}
header.site nav a{display:block;padding:8px 9px;color:var(--ink);font-size:14px;font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
header.site nav a:hover{text-decoration:none;color:var(--jde)}
header.site nav a[aria-current="page"]{border-bottom-color:var(--jde);color:var(--jde)}
.lang{display:flex;align-items:center;gap:2px;border:1px solid var(--rule);border-radius:3px;padding:2px;font-size:12.5px;flex:0 0 auto}
.lang a{padding:3px 9px;color:var(--muted);border-radius:2px;font-weight:600;white-space:nowrap}
.lang a:hover{text-decoration:none;color:var(--ink)}
.lang a[aria-current="true"]{background:var(--navy);color:#fff}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--rule);border-radius:3px;padding:6px 10px;font:inherit;font-size:13px;color:var(--ink)}
@media(max-width:1120px){header.site nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--rule);margin:0}header.site nav.open{display:block}header.site nav ul{flex-direction:column;padding:8px 16px 14px}.menu-btn{display:inline-block}.lang{margin-left:0}}
/* hero */
.hero{position:relative;color:#fff;background:var(--navy-deep) url(../img/hero.jpg) center 40%/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,31,58,.94) 0%,rgba(8,31,58,.78) 50%,rgba(8,31,58,.35) 100%)}
.hero .wrap{position:relative;padding:76px 24px 80px}
.hero .eyebrow{font-size:13px;letter-spacing:.16em;color:#b9d3ea;font-weight:600}
.hero h1{color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.35;margin:16px 0 20px;letter-spacing:.04em;font-weight:600}
.hero h1 span{display:block}
.hero p{max-width:36em;font-size:17px;color:#dbe6ef;margin:0 0 30px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;border-radius:3px;font-weight:700;font-size:15px;border:1px solid transparent}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.primary{background:var(--jde);color:#fff}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn.outline{border-color:var(--jde);color:var(--jde)}
/* stats */
.stats{background:var(--surface);border-bottom:1px solid var(--rule)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.stats .wrap>div{padding:22px 18px;border-left:1px solid var(--rule)}
.stats .wrap>div:first-child{border-left:0;padding-left:0}
.stats .n{font-size:28px;font-weight:700;color:var(--navy);line-height:1.15}
.stats .k{font-size:13px;color:var(--muted);margin-top:4px}
@media(max-width:820px){.stats .wrap{grid-template-columns:repeat(2,1fr)}.stats .wrap>div{border-left:0;padding-left:0}}
/* page header */
.pagehead{background:var(--navy);color:#fff}
.pagehead .wrap{padding:44px 24px 40px}
.pagehead .crumbs{font-size:13px;color:#b9d3ea}
.pagehead .crumbs a{color:#b9d3ea}
.pagehead h1{color:#fff;font-size:clamp(26px,3.4vw,36px);margin-top:8px;letter-spacing:.03em}
/* sections */
section.s{padding:72px 0 0}
section.s.last{padding-bottom:88px}
.eyebrow{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--jde);font-weight:700;margin-bottom:8px}
section.s h2{font-size:clamp(23px,2.8vw,30px);margin-bottom:18px;padding-left:16px;border-left:4px solid var(--navy)}
.lead{font-size:16.5px;max-width:44em;color:var(--body);margin:0 0 32px}
.prose p{margin:0 0 1em;max-width:40em}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.split.even{grid-template-columns:1fr 1fr}
@media(max-width:820px){.split,.split.even{grid-template-columns:1fr;gap:26px}}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:4px;overflow:hidden;margin:0}
.card figcaption{padding:10px 14px;font-size:13px;color:var(--muted)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:4px;overflow:hidden}
.tiles>div{background:var(--surface);padding:24px 22px}
.tiles .idx{font-size:12px;letter-spacing:.12em;color:var(--jde);font-weight:700}
.tiles h3{font-size:17px;margin:8px 0 8px}
.tiles p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}
@media(max-width:820px){.tiles{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.tiles{grid-template-columns:1fr}}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1000px){.cats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.cats{grid-template-columns:1fr}}
.cat{background:var(--surface);border:1px solid var(--rule);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;color:inherit}
.cat:hover{text-decoration:none;box-shadow:0 8px 24px -12px rgba(11,47,86,.4)}
.cat img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat .noimg{aspect-ratio:4/3;display:grid;place-items:center;color:var(--muted);font-size:13px;background:repeating-linear-gradient(135deg,var(--green-soft) 0 10px,#f7faf8 10px 12px)}
.cat .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:5px;flex:1}
.cat h3{font-size:15.5px}
.cat p{margin:0;font-size:13px;color:var(--muted);line-height:1.65;flex:1}
.cat .n{color:var(--jde);font-size:14px;font-weight:700}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.gal{grid-template-columns:repeat(2,1fr)}}
.gal figure{margin:0}
.gal a{display:block}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px;background:var(--rule)}
.gal figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.logos{display:flex;flex-wrap:wrap;gap:24px 36px;align-items:center;padding:22px 26px;background:#fff;border:1px solid var(--rule);border-radius:4px}
.logos img{height:38px;width:auto}
/* tables / lists */
table.def{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);border:1px solid var(--rule)}
table.def th,table.def td{padding:12px 16px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
table.def th{width:190px;background:#f2f5f7;color:var(--ink);font-weight:600;white-space:nowrap}
@media(max-width:600px){table.def th{width:auto;display:block;border-bottom:0;padding-bottom:0}table.def td{display:block}}
.tl{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.tl li{position:relative;padding:0 0 18px 26px}
.tl li::before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--jde);border:2px solid var(--bg)}
.tl .y{display:block;font-weight:700;color:var(--navy);font-size:14px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:st}
@media(max-width:820px){.steps{grid-template-columns:repeat(2,1fr)}}
.steps li{background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:18px 18px 16px;position:relative;counter-increment:st}
.steps li::before{content:counter(st,decimal-leading-zero);font-size:12px;letter-spacing:.12em;color:var(--jde);font-weight:700}
.steps b{display:block;margin:4px 0 4px;color:var(--ink);font-size:15.5px}
.steps span{font-size:13.5px;color:var(--muted);line-height:1.65}
.pillar{background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:24px 26px;margin-bottom:16px}
.pillar h3{font-size:18px;margin-bottom:8px}.pillar p{margin:0;max-width:60em}
ul.plain{margin:0;padding-left:1.2em}ul.plain li{margin:4px 0}
.custlist{columns:2;column-gap:40px;margin:0;padding-left:1.2em;font-size:15px}.custlist li{break-inside:avoid;padding:3px 0}
@media(max-width:600px){.custlist{columns:1}}
.prodlist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px;font-size:14.5px}
@media(max-width:700px){.prodlist{grid-template-columns:1fr}}
.prodlist li{display:flex;gap:10px;align-items:baseline;padding:6px 0;border-bottom:1px dashed var(--rule)}
.prodlist .id{color:var(--muted);font-size:12px;flex:0 0 auto}
.prodlist a{color:inherit}
.cathead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding-bottom:8px;margin:34px 0 14px}
.cathead h3{font-size:18px}.cathead .n{color:var(--muted);font-size:13px}
.jobs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:700px){.jobs{grid-template-columns:1fr}}
.job{background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:20px 22px}
.job h3{font-size:17px;margin-bottom:6px}.job .m{font-size:13px;color:var(--muted);margin-bottom:8px}.job p{margin:0;font-size:14.5px}
.note{font-size:13px;color:var(--muted)}
/* contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:820px){.contact{grid-template-columns:1fr}}
form.cf{background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:26px 28px}
form.cf label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin:0 0 4px}
form.cf .req{color:#b0331f;font-size:11px;margin-left:6px;font-weight:700}
form.cf input,form.cf select,form.cf textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #b8c2ca;border-radius:3px;background:#fff;color:var(--ink);margin-bottom:16px}
form.cf textarea{min-height:160px;resize:vertical}
form.cf .hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
form.cf button{background:var(--jde);color:#fff;border:0;border-radius:3px;padding:12px 28px;font:inherit;font-weight:700;font-size:15px;cursor:pointer}
form.cf button:hover{filter:brightness(1.08)}
form.cf .privacy{font-size:12.5px;color:var(--muted);margin:12px 0 0}
.info dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 18px;margin:0 0 22px;font-size:15px}.info dt{color:var(--muted)}.info dd{margin:0}
.result{max-width:640px;margin:0 auto;padding:60px 24px 80px;text-align:center}
.result h2{border:0;padding:0;font-size:26px;margin-bottom:12px}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(8,20,34,.92);display:none;align-items:center;justify-content:center;z-index:50;padding:24px}
.lb.open{display:flex}.lb img{max-width:100%;max-height:90vh;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb button{position:absolute;top:14px;right:16px;background:none;border:1px solid rgba(255,255,255,.5);color:#fff;font:inherit;font-size:14px;padding:6px 12px;border-radius:3px;cursor:pointer}
.lb .cap{position:absolute;left:0;right:0;bottom:16px;text-align:center;color:#dbe6ef;font-size:14px}
/* photos */
.album{margin-top:34px}.album h3{font-size:18px;border-bottom:1px solid var(--rule);padding-bottom:8px;margin-bottom:14px}
.album .n{color:var(--muted);font-size:13px;font-weight:400;margin-left:8px}
/* footer */
footer.site{background:var(--footer);color:var(--footer-ink);margin-top:88px;padding:44px 0 30px;font-size:13.5px}
footer.site .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}
@media(max-width:820px){footer.site .wrap{grid-template-columns:1fr}}
footer.site .logo img{height:34px;width:auto;background:#fff;padding:4px 8px;border-radius:3px}
footer.site h4{margin:0 0 10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#8fa4b8}
footer.site ul{list-style:none;margin:0;padding:0}footer.site li{margin:4px 0}footer.site a{color:var(--footer-ink)}
footer.site .copy{grid-column:1/-1;border-top:1px solid #22313f;padding-top:16px;color:#8fa4b8;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.cta-band{background:var(--navy);color:#fff;margin-top:88px}
.cta-band .wrap{padding:52px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;border:0;padding:0;margin:0;font-size:24px}
.cta-band p{margin:6px 0 0;color:#c9dbec;max-width:40em}
section.s+.cta-band{margin-top:88px}