/* ===== 新维科技 IT 外包企业站 · 统一设计系统 ===== */
:root{
  --c-primary:#143c8c;
  --c-primary-2:#1a5bd6;
  --c-accent:#16b8c9;
  --c-accent-2:#0e8fa0;
  --c-dark:#0b1b39;
  --c-dark-2:#102a52;
  --c-ink:#1d2433;
  --c-muted:#5b6478;
  --c-line:#e6eaf2;
  --c-bg:#f5f7fb;
  --c-card:#ffffff;
  --c-soft:#eef3ff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(18,42,82,.08);
  --shadow-lg:0 20px 50px rgba(18,42,82,.16);
  --maxw:1180px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans","Noto Sans CJK SC",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-ink);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section.alt{background:var(--c-card)}
.section.dark{background:linear-gradient(135deg,var(--c-dark),var(--c-dark-2));color:#fff}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.05;margin-right:auto}
.brand-mark{font-weight:800;font-size:22px;letter-spacing:.5px;color:var(--c-primary)}
.brand-sub{font-size:12px;color:var(--c-muted);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{padding:9px 14px;border-radius:8px;font-size:15px;color:var(--c-ink);font-weight:500;transition:.2s}
.nav-menu a:hover{background:var(--c-soft);color:var(--c-primary)}
.nav-menu a.active{color:var(--c-primary);background:var(--c-soft)}
.nav-cta{background:var(--c-primary);color:#fff !important;padding:9px 18px !important}
.nav-cta:hover{background:var(--c-primary-2) !important}
.lang-switch{display:flex;align-items:center;gap:2px;background:var(--c-soft);border-radius:999px;padding:3px}
.lang-switch a{padding:5px 12px;border-radius:999px;font-size:13px;color:var(--c-muted);font-weight:600}
.lang-switch a.active{background:#fff;color:var(--c-primary);box-shadow:0 2px 8px rgba(18,42,82,.12)}
/* 日文版专用：长标签禁止折行并收紧间距，仅日语页面生效，中/英文不受影响 */
html[lang="ja"] .nav-menu a{white-space:nowrap}
html[lang="ja"] .lang-switch a{white-space:nowrap}
@media(max-width:1500px) and (min-width:681px){
  html[lang="ja"] .nav{gap:14px}
  html[lang="ja"] .nav-menu a{padding:9px 10px;font-size:14px}
  html[lang="ja"] .lang-switch a{padding:5px 8px;font-size:12px}
}
@media(max-width:1100px) and (min-width:681px){
  html[lang="ja"] .nav{gap:8px}
  html[lang="ja"] .nav-menu a{padding:8px 6px;font-size:13px}
  html[lang="ja"] .lang-switch a{padding:4px 6px;font-size:11px}
}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--c-primary);cursor:pointer}
/* 集成板块详情页正文 */
.prose{max-width:920px}
.prose p{color:var(--c-muted);line-height:1.95;margin:10px 0;font-size:16px}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#0b1b39 0%,#143c8c 55%,#16b8c9 130%)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 400px at 80% -10%,rgba(22,184,201,.35),transparent 60%),radial-gradient(700px 360px at 0% 110%,rgba(26,91,214,.45),transparent 60%);pointer-events:none}
.hero .container{position:relative;z-index:2;padding:118px 24px 104px}
.hero .eyebrow{display:inline-block;font-size:14px;letter-spacing:2px;color:#bcd4ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:6px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.18;font-weight:800;max-width:18em}
.hero p.lead{margin:22px 0 34px;font-size:clamp(16px,2vw,20px);color:#dbe6ff;max-width:40em}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:16px}
.hero .stats-mini{display:flex;flex-wrap:wrap;gap:40px;margin-top:54px}
.hero .stats-mini .n{font-size:34px;font-weight:800;color:#fff}
.hero .stats-mini .l{font-size:14px;color:#bcd4ff}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.22s;cursor:pointer;border:1.5px solid transparent}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-arrow::after{content:"→";font-weight:700}

/* ===== Section heading ===== */
.sec-head{text-align:center;max-width:46em;margin:0 auto 52px}
.sec-head .label{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--c-accent-2);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:var(--c-dark);line-height:1.25}
.section.dark .sec-head h2{color:#fff}
.sec-head p{margin-top:14px;color:var(--c-muted);font-size:16px}
.section.dark .sec-head p{color:#bcd4ff}

/* ===== Cards grid ===== */
.grid{display:grid;gap:24px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:30px;transition:.25s;height:100%}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--c-soft);color:var(--c-primary);margin-bottom:18px}
.card .ic svg{width:28px;height:28px}
.card h3{font-size:19px;color:var(--c-dark);margin-bottom:10px;font-weight:700}
.card p{color:var(--c-muted);font-size:15px}
.card .more{display:inline-block;margin-top:16px;color:var(--c-primary);font-weight:600;font-size:14px}
.card.feature{border-top:3px solid var(--c-primary)}

/* ===== Stats band ===== */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-band .item .n{font-size:clamp(34px,4vw,46px);font-weight:800;color:#fff}
.stats-band .item .l{margin-top:6px;color:#bcd4ff;font-size:15px}

/* ===== Intro / two-col ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.two-col .media{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));border-radius:18px;min-height:340px;position:relative;overflow:hidden}
.two-col .media::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 70% 20%,rgba(255,255,255,.25),transparent 60%)}
.two-col h2{font-size:clamp(24px,3vw,34px);color:var(--c-dark);font-weight:800;margin-bottom:18px}
.two-col p{color:var(--c-muted);margin-bottom:14px}
.checklist{list-style:none;margin-top:8px}
.checklist li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--c-ink)}
.checklist li::before{content:"";position:absolute;left:0;top:8px;width:18px;height:18px;border-radius:50%;background:var(--c-accent);box-shadow:inset 0 0 0 4px #fff,0 0 0 1px var(--c-accent)}
.checklist li::after{content:"";position:absolute;left:6px;top:12px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}

/* ===== Process steps ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:26px 20px;text-align:center}
.step .num{counter-increment:s;width:42px;height:42px;border-radius:50%;background:var(--c-primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.step .num::before{content:counter(s)}
.step h4{font-size:16px;color:var(--c-dark);margin-bottom:6px}
.step p{font-size:13.5px;color:var(--c-muted)}

/* ===== Clients ===== */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.clients .logo{height:74px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--c-line);border-radius:12px;color:var(--c-muted);font-weight:700;letter-spacing:1px;font-size:14px}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto}
details.faq{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:14px;overflow:hidden}
details.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--c-dark);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;color:var(--c-primary);font-weight:700}
details.faq[open] summary::after{content:"\2212"}
details.faq .ans{padding:0 22px 20px;color:var(--c-muted);font-size:15px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px}
.info-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;margin-bottom:18px}
.info-card .ic{width:44px;height:44px;border-radius:12px;background:var(--c-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.info-card h4{font-size:15px;color:var(--c-muted);font-weight:600;margin-bottom:4px}
.info-card p{font-size:17px;color:var(--c-dark);font-weight:600}
.form{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--c-ink);font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--c-line);border-radius:10px;font-size:15px;font-family:inherit;color:var(--c-ink);background:#fbfcfe;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px var(--c-soft)}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:13px;color:var(--c-muted);margin-top:6px}
.form-ok{display:none;background:#e8f8ee;border:1px solid #9ad9b4;color:#1b7a45;padding:14px 18px;border-radius:10px;margin-bottom:16px;font-weight:600}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--c-primary),var(--c-accent));color:#fff;border-radius:20px;padding:54px 48px;text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 90% 10%,rgba(255,255,255,.18),transparent 60%)}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;position:relative}
.cta-band p{margin:14px auto 28px;max-width:40em;color:#eaf2ff;position:relative}
.cta-band .btn-ghost{position:relative}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:#c7d2e8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-grid h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;letter-spacing:.5px}
.footer-brand .brand-mark{color:#fff}
.footer-brand p{font-size:14px;color:#9fb0d0;margin:14px 0}
.footer-grid ul{list-style:none}
.footer-grid ul li{margin-bottom:11px}
.footer-grid ul li a{font-size:14px;color:#aebcd8;transition:.2s}
.footer-grid ul li a:hover{color:#fff;padding-left:4px}
.footer-contact p{font-size:14px;margin-bottom:10px;color:#aebcd8}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8497b8}
.footer-bottom a{color:#aebcd8;border-bottom:1px dotted #5a6c8f}
.footer-bottom a:hover{color:#fff;border-bottom-color:#fff}
.footer-bottom .langs a{color:#aebcd8;margin-left:14px;border-bottom:0}
.footer-bottom .langs a:hover{color:#fff}

/* ===== Language chooser (root) ===== */
.chooser{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden;background:linear-gradient(135deg,#0b1b39,#143c8c 55%,#16b8c9 140%)}
.chooser::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 80% 0%,rgba(22,184,201,.35),transparent 60%)}
.chooser .inner{position:relative;z-index:2;text-align:center;padding:40px 24px;width:100%;max-width:1000px}
.chooser .brand-mark{font-size:30px;color:#fff;font-weight:800;letter-spacing:1px}
.chooser h1{font-size:clamp(28px,4vw,44px);margin:18px 0 10px;font-weight:800}
.chooser .sub{color:#cfe0ff;font-size:17px;margin-bottom:46px}
.lang-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:960px;margin:0 auto}
.lang-card{display:flex;flex-direction:column;align-items:center;border-radius:22px;padding:40px 24px 36px;transition:.25s;box-shadow:0 12px 32px rgba(6,18,45,.35)}
.lang-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(6,18,45,.5)}
.lang-card .lc-title{font-size:30px;font-weight:800;text-align:center}
.lang-card .lc-divider{width:64px;height:4px;border-radius:2px;margin:16px 0 28px}
.lang-card .lc-links{display:flex;flex-direction:column;gap:24px;margin-bottom:32px;text-align:center}
.lang-card .lc-links a{font-size:17px;font-weight:700;color:#2a3b52;text-decoration:none}
.lang-card .lc-btn{display:inline-block;margin-top:auto;padding:13px 38px;border-radius:999px;color:#fff;font-weight:700;font-size:16px;text-decoration:none;letter-spacing:3px;transition:.2s}
.lang-card .lc-btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.lc-red{background:#fbe3e0}
.lc-red .lc-title,.lc-red .lc-links a:hover{color:#cf3d33}
.lc-red .lc-divider{background:#cf3d33}
.lc-red .lc-btn{background:#e0524a}
.lc-blue{background:#dfeef8}
.lc-blue .lc-title,.lc-blue .lc-links a:hover{color:#2f6fb2}
.lc-blue .lc-divider{background:#2f6fb2}
.lc-blue .lc-btn{background:#3f8fd6}
.lc-green{background:#dcf2e3}
.lc-green .lc-title,.lc-green .lc-links a:hover{color:#27a05a}
.lc-green .lc-divider{background:#27a05a}
.lc-green .lc-btn{background:#3ab86e}
.beian-line{margin-top:46px;font-size:13px;color:#9fb4d8}
.beian-line a{color:#9fb4d8;border-bottom:1px dotted #5a6c8f}
.beian-line a:hover{color:#fff}

/* ===== Responsive ===== */
@media(max-width:980px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:repeat(3,1fr)}
  .two-col{grid-template-columns:1fr;gap:30px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-menu,.lang-switch{display:none}
  .nav-toggle{display:block}
  .site-header.open .nav-menu{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;padding:14px 24px;box-shadow:var(--shadow);gap:2px;border-top:1px solid var(--c-line)}
  .site-header.open .lang-switch{display:flex;position:absolute;top:auto;margin-top:2px}
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .lang-cards{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
}