:root{
    --navy:#0A2540; --navy2:#0E2E52; --navy3:#143A66;
    --blue:#1B6CA8; --blue-bright:#2E6FE6;
    --gold:#C8962E; --gold-soft:#E0B765;
    --ink:#16203A; --muted:#5B6678; --line:#E4E9F2;
    --bg:#F5F7FB; --card:#FFFFFF; --card2:#FBFCFE;
    --radius:10px; --shadow:0 10px 30px rgba(10,37,64,.08);
    --maxw:1200px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,sans-serif;
    color:var(--ink); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--gold);font-weight:700;text-transform:uppercase;margin-bottom:14px}
  h1,h2,h3{line-height:1.25;color:var(--navy)}
  h2.section-title{font-size:32px;letter-spacing:.5px;margin-bottom:12px}
  .section-sub{color:var(--muted);font-size:16px;max-width:680px}
  section{padding:76px 0}
  .gold-rule{width:54px;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-soft));margin:14px 0 26px;border-radius:2px}

  /* ===== NAV ===== */
  header.nav{position:sticky;top:0;z-index:50;background:rgba(10,37,64,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
  .brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px}
  .brand .logo{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--blue-bright),var(--navy3));display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
  .brand small{display:block;font-size:11px;font-weight:500;color:var(--gold-soft);letter-spacing:1px}
  nav.menu{display:flex;gap:30px;align-items:center}
  nav.menu a{color:#D7E0EC;font-size:15px;font-weight:500;transition:.2s;position:relative;padding:6px 0}
  nav.menu a:hover{color:#fff}
  nav.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:.25s}
  nav.menu a:hover::after{width:100%}
  .nav-cta{background:var(--gold);color:#1c1206;font-weight:700;padding:10px 20px;border-radius:8px;font-size:14px;transition:.2s}
  .nav-cta:hover{background:var(--gold-soft);transform:translateY(-1px)}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
  .burger span{width:24px;height:2px;background:#fff;border-radius:2px}
  .mobile-menu{display:none;background:var(--navy2);padding:10px 24px 20px}
  .mobile-menu a{display:block;color:#D7E0EC;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:15px}

  /* ===== HERO ===== */
  .hero{background:
      radial-gradient(1200px 500px at 85% -10%,rgba(46,111,230,.22),transparent 60%),
      linear-gradient(160deg,var(--navy) 0%,var(--navy2) 55%,var(--navy3) 100%);
    color:#EAF1FA;position:relative;overflow:hidden}
  .hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding-top:84px;padding-bottom:90px}
  .hero h1{font-size:46px;color:#fff;letter-spacing:.5px;margin-bottom:18px}
  .hero h1 .accent{color:var(--gold-soft)}
  .hero p.lead{font-size:18px;color:#C5D2E4;max-width:540px;margin-bottom:30px}
  .hero .badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
  .hero .badge{border:1px solid rgba(224,183,101,.4);color:var(--gold-soft);font-size:13px;padding:6px 13px;border-radius:30px;background:rgba(224,183,101,.06)}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
  .btn-primary{background:var(--gold);color:#1c1206;font-weight:700;padding:14px 28px;border-radius:9px;font-size:15px;transition:.2s}
  .btn-primary:hover{background:var(--gold-soft);transform:translateY(-2px)}
  .btn-ghost{border:1px solid rgba(255,255,255,.3);color:#fff;padding:14px 26px;border-radius:9px;font-size:15px;transition:.2s}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
  .hero-visual{position:relative}
  .arch{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
  .arch .row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.05);margin-bottom:10px;border:1px solid rgba(255,255,255,.07)}
  .arch .row:last-child{margin-bottom:0}
  .arch .ico{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--blue-bright),var(--navy3));display:flex;align-items:center;justify-content:center;flex:0 0 auto}
  .arch .row b{color:#fff;font-size:14px;display:block}
  .arch .row span{color:#9FB1C9;font-size:12px}
  .arch .core{background:linear-gradient(135deg,rgba(200,150,46,.18),rgba(46,111,230,.12));border-color:rgba(224,183,101,.35)}

  /* ===== TRUST BAR ===== */
  .trust{background:var(--navy2);color:#fff}
  .trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;padding:40px 24px}
  .trust .num{font-size:40px;font-weight:800;color:var(--gold-soft);letter-spacing:1px}
  .trust .lbl{color:#B9C6DA;font-size:14px;margin-top:4px}

  /* ===== SECTION heads ===== */
  .head-center{text-align:center;max-width:760px;margin:0 auto 48px}
  .head-center .gold-rule{margin:14px auto 26px}

  /* ===== PRODUCT GRID ===== */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.22s;position:relative;overflow:hidden}
  .pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd9ec}
  .pcard .pico{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--navy3),var(--blue));display:flex;align-items:center;justify-content:center;margin-bottom:16px}
  .pcard h3{font-size:19px;margin-bottom:8px}
  .pcard p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
  .pcard ul{list-style:none;display:flex;flex-wrap:wrap;gap:7px}
  .pcard ul li{font-size:12.5px;color:var(--navy);background:var(--bg);border:1px solid var(--line);padding:4px 10px;border-radius:20px}

  /* ===== WHY ===== */
  .why{background:linear-gradient(180deg,#fff,var(--card2))}
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
  .why-item{padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .why-item:nth-child(3n){border-right:none}
  .why-item:nth-last-child(-n+3){border-bottom:none}
  .why-item .wn{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1px}
  .why-item h3{font-size:17px;margin:10px 0 8px}
  .why-item p{color:var(--muted);font-size:14px}

  /* ===== INDUSTRY ===== */
  .ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .ind{position:relative;border-radius:var(--radius);overflow:hidden;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;border:1px solid var(--line)}
  .ind .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.15),rgba(10,37,64,.86))}
  .ind .c1{background:linear-gradient(135deg,#16385f,#0A2540)}
  .ind .c2{background:linear-gradient(135deg,#1d4e6b,#0E2E52)}
  .ind .c3{background:linear-gradient(135deg,#3a2f12,#0A2540)}
  .ind .c4{background:linear-gradient(135deg,#143A66,#0b2c4d)}
  .ind .c5{background:linear-gradient(135deg,#22364a,#0A2540)}
  .ind .c6{background:linear-gradient(135deg,#2a3f5e,#0E2E52)}
  .ind > *{position:relative;z-index:2}
  .ind h3{font-size:20px;margin-bottom:6px}
  .ind p{font-size:13.5px;color:#D7E0EC}

  /* ===== METHOD (实施方法论) ===== */
  .method{background:var(--navy);color:#EAF1FA}
  .method h2,.method .eyebrow{color:#fff}
  .method .section-sub{color:#AFC0D6}
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:46px;position:relative}
  .steps::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--gold),rgba(224,183,101,.25))}
  .step{text-align:center;padding:0 12px;position:relative}
  .step .dot{width:54px;height:54px;border-radius:50%;background:var(--navy3);border:2px solid var(--gold);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--gold-soft);font-size:18px;position:relative;z-index:2}
  .step h4{color:#fff;font-size:16px;margin-bottom:6px}
  .step p{color:#A9BBD2;font-size:13px}

  /* ===== CLIENTS ===== */
  .logos{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:14px}
  .logo-cell{height:84px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--muted);font-size:13px;font-weight:600;padding:8px}
  .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
  .case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
  .case:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
  .case .tag{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:1px}
  .case h4{font-size:16px;margin:8px 0 8px;color:var(--navy)}
  .case p{font-size:13.5px;color:var(--muted)}

  /* ===== CTA ===== */
  .cta{background:linear-gradient(135deg,var(--navy3),var(--navy));color:#fff;text-align:center}
  .cta h2{color:#fff;font-size:34px}
  .cta p{color:#C5D2E4;max-width:600px;margin:14px auto 28px;font-size:16px}

  /* ===== FOOTER ===== */
  footer{background:#081B30;color:#AEBED4;padding:54px 0 28px;font-size:14px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
  footer h5{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
  footer a{display:block;color:#9FB1C9;padding:5px 0;transition:.2s}
  footer a:hover{color:#fff}
  footer .brand{margin-bottom:14px}
  footer .desc{font-size:13.5px;color:#90A2BC;max-width:300px}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7E90AC;font-size:13px}

  /* ===== RESPONSIVE ===== */
  @media(max-width:980px){
    .hero .wrap{grid-template-columns:1fr;gap:34px;padding-top:60px}
    .hero h1{font-size:36px}
    .hero-visual{order:-1}
    .grid-3,.ind-grid,.cases{grid-template-columns:repeat(2,1fr)}
    .why-grid{grid-template-columns:repeat(2,1fr)}
    .why-item:nth-child(3n){border-right:1px solid var(--line)}
    .why-item:nth-child(2n){border-right:none}
    .steps{grid-template-columns:repeat(2,1fr);gap:28px 0}
    .steps::before{display:none}
    .logos{grid-template-columns:repeat(3,1fr)}
    .trust .wrap{grid-template-columns:repeat(2,1fr);gap:30px 0}
    .foot-grid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:640px){
    nav.menu,.nav-cta{display:none}
    .burger{display:flex}
    .grid-3,.ind-grid,.cases,.why-grid{grid-template-columns:1fr}
    .why-item{border-right:none!important}
    h2.section-title{font-size:26px}
    .hero h1{font-size:30px}
    .logos{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:1fr}
    section{padding:56px 0}
  }


/* ===== 多页站扩展 (2026-11-08) ===== */
.page-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 55%,var(--navy3) 100%);color:#EAF1FA;padding:62px 0 58px}
.page-hero h1{color:#fff;font-size:38px;letter-spacing:.5px;margin-bottom:14px}
.page-hero p.lead{color:#C5D2E4;font-size:17px;max-width:780px;line-height:1.85}
.page-hero .eyebrow{color:var(--gold-soft)}
.page-hero .badges{margin-top:22px}
.page-hero .badge{display:inline-block;border:1px solid rgba(224,183,101,.4);color:var(--gold-soft);font-size:13px;padding:6px 13px;border-radius:30px;background:rgba(224,183,101,.06);margin:0 8px 8px 0}
.crumb{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.crumb .wrap{padding-top:12px;padding-bottom:12px}
.crumb a{color:var(--blue)}
.crumb a:hover{text-decoration:underline}
.crumb .sep{margin:0 9px;color:#B9C6DA}
.prose{color:var(--muted);font-size:15.5px;line-height:1.9}
.prose p{margin-bottom:14px}
.prose ul{margin:0 0 16px 20px}
.prose li{margin-bottom:7px}
.prose a{color:var(--blue);text-decoration:underline}
.note{background:#FFF9EC;border:1px solid #F0DCA8;border-left:4px solid var(--gold);border-radius:8px;padding:18px 22px;color:#6B5524;font-size:14.5px;line-height:1.85;margin:0 0 28px}
.note b{color:#4A3812}
.tbl-wrap{overflow-x:auto;border-radius:var(--radius)}
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:14.5px;min-width:560px}
.tbl th{background:var(--navy);color:#fff;text-align:left;padding:14px 18px;font-weight:600;white-space:nowrap}
.tbl td{padding:14px 18px;border-top:1px solid var(--line);color:var(--muted);vertical-align:top;line-height:1.75}
.tbl tr:nth-child(even) td{background:var(--card2)}
.tbl td b{color:var(--navy)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.stage{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.stage .sn{display:inline-block;background:var(--navy);color:var(--gold-soft);font-size:12px;font-weight:800;letter-spacing:1px;padding:5px 12px;border-radius:20px;margin-bottom:14px}
.stage h3{font-size:19px;margin-bottom:10px}
.stage dl{margin-top:12px;font-size:14px}
.stage dt{color:var(--navy);font-weight:700;margin-top:11px}
.stage dd{color:var(--muted);margin-left:0;line-height:1.75}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:14px}
.faq-item h3{font-size:17px;margin-bottom:8px}
.faq-item p{color:var(--muted);font-size:14.5px;line-height:1.85}
.pill{display:inline-block;font-size:12.5px;color:var(--navy);background:var(--bg);border:1px solid var(--line);padding:4px 11px;border-radius:20px;margin:0 6px 6px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.section-tight{padding:56px 0}
.page-cta{background:linear-gradient(135deg,var(--navy3),var(--navy));color:#fff;text-align:center;padding:64px 0}
.page-cta h2{color:#fff;font-size:30px}
.page-cta p{color:#C5D2E4;max-width:660px;margin:12px auto 26px;font-size:16px;line-height:1.85}
.anchor-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-links a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-size:14px;color:var(--navy);font-weight:600}
.anchor-links a:hover{border-color:var(--blue);color:var(--blue)}
@media(max-width:980px){.grid-2,.split{grid-template-columns:1fr}.page-hero h1{font-size:30px}}