:root{
--navy:#0A2A43;--navy2:#0F3D5F;--blue:#1668A8;--sky:#3D9BD1;--gold:#F2B705;--gold-d:#D89E00;
--ink:#182635;--muted:#5B6B7C;--line:#E4EAF0;--soft:#F4F7FA;--white:#fff;
--radius:14px;--shadow:0 10px 30px rgba(10,42,67,.08);--shadow-lg:0 18px 50px rgba(10,42,67,.16);
--font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.7;font-size:16px}
img,svg{vertical-align:middle}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.ic{flex:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:32px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy)}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--navy);display:flex;align-items:center;justify-content:center;color:var(--gold);font-weight:800;font-size:20px;font-family:Georgia,serif}
.logo-text{line-height:1.15}
.logo-text b{display:block;font-size:18px;letter-spacing:1px}
.logo-text span{display:block;font-size:10.5px;letter-spacing:2.5px;color:var(--muted);text-transform:uppercase}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink);transition:.2s}
.main-nav a:hover{background:var(--soft);color:var(--blue)}
.main-nav a.active{color:var(--blue);font-weight:600}
.header-cta{display:flex;align-items:center;gap:12px}
.lang-switch{font-size:14px;font-weight:600;color:var(--muted);padding:8px 10px;border:1px solid var(--line);border-radius:8px;transition:.2s}
.lang-switch:hover{color:var(--blue);border-color:var(--sky)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:18px;color:var(--navy);cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:.2s;font-family:inherit}
.btn-solid{background:var(--navy);color:#fff}
.btn-solid:hover{background:var(--navy2);transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-d);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:rgba(255,255,255,.22)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:8px}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#081F33 0%,var(--navy) 45%,#11466E 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
 radial-gradient(600px 300px at 85% 20%,rgba(61,155,209,.25),transparent 70%),
 radial-gradient(500px 260px at 10% 90%,rgba(242,183,5,.12),transparent 70%)}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;color:#fff;opacity:.9}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:88px 0 110px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.5px;color:#BFD9EC;border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.25;letter-spacing:.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p.sub{font-size:17.5px;color:#C9DCEC;max-width:520px;margin-bottom:30px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* tracking card */
.track-card{position:relative;background:#fff;color:var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);padding:26px 26px 22px}
.track-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px}
.track-tabs button{flex:1;background:none;border:none;font-family:inherit;font-size:14.5px;font-weight:600;color:var(--muted);padding:10px 4px;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px;transition:.2s}
.track-tabs button.active{color:var(--navy);border-bottom-color:var(--gold)}
.track-card .radios{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.track-card label{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink);cursor:pointer}
.track-card input[type=radio]{accent-color:var(--gold);width:16px;height:16px}
.track-form{display:flex;gap:10px}
.track-form input{flex:1;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;outline:none;transition:.2s}
.track-form input:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(61,155,209,.15)}
.track-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.soft{background:var(--soft)}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.section-head h2{font-size:34px;line-height:1.3;color:var(--navy);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}

/* cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.svc-visual{height:150px;border-radius:10px;margin:-6px -4px 20px;display:flex;align-items:center;justify-content:center;color:#fff}
.svc-visual.v1{background:linear-gradient(135deg,#0E4C7E,#3D9BD1)}
.svc-visual.v2{background:linear-gradient(135deg,#0A2A43,#1668A8)}
.svc-visual.v3{background:linear-gradient(135deg,#155E75,#38BDF8)}
.svc-visual.v4{background:linear-gradient(135deg,#7C4D12,#D89E00)}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);flex:1}
.card .link{margin-top:16px;font-size:14px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.card .link:hover{gap:10px}
.link{transition:gap .2s}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{display:block;font-size:44px;color:var(--navy);font-weight:800;letter-spacing:-1px}
.stat b em{font-style:normal;color:var(--gold-d)}
.stat span{font-size:13.5px;color:var(--muted)}
.stats-note{text-align:center;margin-top:26px;font-size:13.5px;color:var(--muted)}

/* platform */
.platform-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:40px}
.platform-tabs button{background:none;border:none;font-family:inherit;font-size:15px;font-weight:600;color:var(--muted);padding:10px 22px;cursor:pointer;border-bottom:3px solid transparent}
.platform-tabs button.active{color:var(--navy);border-bottom-color:var(--gold)}

/* tools chips */
.tools-band{background:var(--navy);color:#fff;padding:56px 0}
.tools-band h2{font-size:26px;margin-bottom:10px}
.tools-band .sub{color:#A9C6DC;font-size:14.5px;margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:9px 20px;font-size:14.5px;color:#E8F1F8;transition:.2s;cursor:default}
.chip:hover{border-color:var(--gold);color:var(--gold)}

/* slogan */
.slogan-band{background:linear-gradient(120deg,var(--navy) 0%,#11466E 100%);color:#fff;text-align:center;padding:88px 24px;position:relative;overflow:hidden}
.slogan-band::before{content:"“";position:absolute;top:-30px;left:6%;font-size:200px;font-family:Georgia,serif;color:rgba(242,183,5,.16);line-height:1}
.slogan-band .eyebrow{color:var(--sky)}
.slogan-band h2{font-size:38px;letter-spacing:2px;margin-bottom:8px}
.slogan-band .en{font-size:20px;color:#BFD9EC;font-style:italic;margin-bottom:22px}
.slogan-band .vision{font-size:16px;color:#E8F1F8}

/* guide cards */
.guide-num{width:46px;height:46px;border-radius:12px;background:var(--soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:18px}

/* news cards */
.news-card .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.news-card .cat{background:#FDF3D7;color:#8A6A00;border-radius:999px;padding:3px 12px;font-weight:600}
.news-card h3{font-size:18px;line-height:1.5}
.news-more{text-align:center;margin-top:44px}

/* ---------- page hero (内页) ---------- */
.page-hero{background:linear-gradient(120deg,#081F33,var(--navy) 55%,#11466E);color:#fff;padding:66px 0 58px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 240px at 88% 10%,rgba(61,155,209,.28),transparent 70%)}
.page-hero .container{position:relative}
.page-hero h1{font-size:36px;margin-bottom:10px}
.page-hero p{color:#C9DCEC;font-size:16.5px;max-width:680px}
.anchor-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.anchor-nav a{font-size:13.5px;color:#DCEBF5;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 16px;transition:.2s}
.anchor-nav a:hover{border-color:var(--gold);color:var(--gold)}

/* culture */
.culture-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.culture-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:24px 26px}
.culture-item b{display:block;color:var(--navy);font-size:16.5px;margin-bottom:8px}
.culture-item .zh{font-size:15px;margin-bottom:6px}
.culture-item .en{font-size:13.5px;color:var(--muted)}

/* company cards */
.co-card .tag{display:inline-block;background:#EAF3FA;color:var(--blue);font-size:12.5px;font-weight:600;border-radius:999px;padding:3px 12px;margin-bottom:12px}
.co-card h3{font-size:17px;line-height:1.45;margin-bottom:4px}
.co-card .en-name{font-size:13px;color:var(--muted);margin-bottom:14px}
.co-line{display:flex;gap:9px;font-size:13.8px;color:var(--ink);margin-bottom:8px;align-items:flex-start}
.co-line .ic{color:var(--blue);margin-top:3px}
.co-line a:hover{color:var(--blue)}
.co-line .maps{margin-left:auto;color:var(--sky);font-size:12.5px;font-weight:600;white-space:nowrap}
.co-line .maps:hover{color:var(--blue)}

/* services detail */
.svc-block{margin-bottom:70px}
.svc-block-head{margin-bottom:30px}
.svc-block-head h2{font-size:28px;color:var(--navy)}
.svc-block-head .en-sub{color:var(--muted);font-size:14.5px;margin-top:4px}
.check-list li{display:flex;gap:12px;padding:15px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.check-list .ic{color:var(--gold-d);margin-top:4px}
.check-list .en-line{display:block;font-size:13px;color:var(--muted)}
.int-card{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:18px;transition:.25s}
.int-card:hover{box-shadow:var(--shadow)}
.int-card .ico{width:52px;height:52px;flex:none;border-radius:12px;background:#EAF3FA;color:var(--blue);display:flex;align-items:center;justify-content:center}
.int-card h3{font-size:18.5px;color:var(--navy);margin-bottom:8px}
.int-card p{font-size:14.5px;color:var(--muted)}
.int-card .en-line{display:block;font-size:13px;color:var(--muted);margin-top:8px}
.wh-cold{display:flex;gap:18px;background:linear-gradient(120deg,#FDF6E3,#FCF1D2);border:1px solid #F0DCAB;border-radius:12px;padding:22px 26px;margin-bottom:22px;align-items:flex-start}
.wh-cold .ico{color:var(--gold-d)}
.wh-cold b{color:#7A5C00;display:block;margin-bottom:4px}
.wh-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.wh-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.wh-col h3{color:var(--navy);font-size:17.5px;margin-bottom:6px}
.wh-col .en-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.wh-col ul li{display:flex;gap:9px;align-items:center;padding:7.5px 0;font-size:14.5px;border-bottom:1px dashed var(--line)}
.wh-col ul li:last-child{border:none}
.wh-col .ic{color:var(--sky)}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:step}
.step{text-align:center;position:relative;padding:26px 12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;font-size:13px;font-weight:700;color:var(--gold-d);letter-spacing:2px;margin-bottom:10px}
.step b{font-size:15.5px;color:var(--navy);display:block}
.step span{font-size:12.5px;color:var(--muted)}
.cta-band{background:linear-gradient(120deg,var(--navy),#11466E);border-radius:18px;color:#fff;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h3{font-size:23px}
.cta-band p{color:#BFD9EC;font-size:14.5px;margin-top:6px}

/* news page */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 38px;margin-bottom:26px}
.article .meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:14px}
.article .cat{background:#EAF3FA;color:var(--blue);border-radius:999px;padding:3px 13px;font-weight:600}
.article h3{font-size:22px;color:var(--navy);margin-bottom:14px}
.article p{font-size:15px;color:#33475C;margin-bottom:12px;text-align:justify}
.cats-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.cats-row .chip{border-color:var(--line);color:var(--muted);cursor:pointer}
.cats-row .chip:hover{border-color:var(--blue);color:var(--blue)}
.recruit-card{background:linear-gradient(120deg,#FDF6E3,#FCF1D2);border:1px solid #F0DCAB;border-radius:var(--radius);padding:36px 40px;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.recruit-card h3{color:#7A5C00;font-size:21px;margin-bottom:8px}
.recruit-card p{font-size:14.5px;color:#6B5A20;max-width:640px}

/* contact */
.urgent-band{display:flex;gap:18px;align-items:center;background:linear-gradient(120deg,#FFF8E5,#FDF1CC);border:1px solid #F0DCAB;border-radius:var(--radius);padding:24px 30px;margin-bottom:44px;flex-wrap:wrap}
.urgent-band .ico{color:var(--gold-d)}
.urgent-band b{font-size:17px;color:#7A5C00}
.urgent-band p{font-size:14px;color:#6B5A20}
.urgent-band .btn{margin-left:auto}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 40px;max-width:860px;margin:0 auto}
.contact-form h2{font-size:24px;color:var(--navy);margin-bottom:6px}
.contact-form .note{font-size:13px;color:var(--muted);margin-bottom:24px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-group{margin-bottom:18px}
.f-group label{display:block;font-size:13.5px;font-weight:600;color:var(--navy);margin-bottom:7px}
.f-group input,.f-group select,.f-group textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14.5px;font-family:inherit;outline:none;transition:.2s;background:#fff;color:var(--ink)}
.f-group textarea{min-height:120px;resize:vertical}
.f-group input:focus,.f-group select:focus,.f-group textarea:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(61,155,209,.15)}

/* footer */
.site-footer{background:var(--navy);color:#C9DCEC;margin-top:40px}
.footer-in{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:44px;padding:64px 0 44px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:1px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo-mark{background:var(--gold);color:var(--navy)}
.site-footer .logo-text span{color:#7E9BB3}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#C9DCEC;transition:.2s}
.footer-links a:hover{color:var(--gold)}
.footer-co{font-size:13.5px;margin-bottom:14px;line-height:1.6}
.footer-co b{color:#fff;display:block;font-size:14px}
.footer-note{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;justify-content:space-between;gap:14px;font-size:13px;color:#7E9BB3;flex-wrap:wrap}

/* toast */
#toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(80px);background:var(--navy);color:#fff;padding:13px 26px;border-radius:12px;font-size:14.5px;box-shadow:var(--shadow-lg);opacity:0;transition:.35s;z-index:999;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1020px){
 .hero-in{grid-template-columns:1fr;padding:64px 0 90px}
 .grid-4{grid-template-columns:1fr 1fr}
 .stats{grid-template-columns:1fr 1fr;gap:30px}
 .steps{grid-template-columns:repeat(2,1fr)}
 .footer-in{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
 .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
 .main-nav.open{display:flex}
 .nav-toggle{display:block}
 .header-cta .btn{display:none}
 .header-cta .lang-switch{display:inline-block}
 .hero h1{font-size:31px}
 .hero-ctas .btn{padding:11px 18px;font-size:14px}
 .grid-4,.grid-3,.grid-2,.culture-grid,.wh-cols,.f-row{grid-template-columns:1fr}
 .section{padding:60px 0}
 .section-head h2{font-size:26px}
 .page-hero h1{font-size:27px}
 .stats b{font-size:34px}
 .article{padding:26px 22px}
 .contact-form{padding:28px 22px}
 .cta-band{padding:32px 26px}
 .footer-in{grid-template-columns:1fr;gap:30px}
 .urgent-band .btn{margin-left:0}
}