:root{
    --navy:#0B2545; --navy-2:#123A6B;
    --blue:#1F6FD0; --blue-text:#155FAD; --blue-bright:#2E86DE; --cyan:#00A6C4;
    
    --cyan-lit:#3FC7DE;
    --paper:#F4F7FB; --paper-2:#FAFCFF; --card:#FFFFFF;
    --text:#0F1C2E; --muted:#5A6B7C; --line:#DCE5EF;
    
    --scrim:rgba(8,26,49,.74);
    --r:12px; --shadow:0 8px 26px rgba(11,37,69,.10);
    --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --serif:"Songti SC","STSong","Noto Serif SC",serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}

  
  a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--blue-bright);outline-offset:2px;border-radius:4px}
  .wrap{max-width:1120px;margin:0 auto;padding:0 20px}
  
  img{max-width:100%;height:auto;display:block}
  
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:8px;font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;text-decoration:none;border:0;white-space:nowrap;transition:.18s}
  .btn-blue{background:var(--blue);color:#fff}
  .btn-blue:hover{background:#1A5FB4}
  .btn-white{background:#fff;color:var(--navy)}
  .btn-white:hover{background:#EAF1FA}
  .btn-ghost{border:1.5px solid var(--navy);color:var(--navy);background:transparent}
  .btn-ghost:hover{background:rgba(11,37,69,.06)}
  .btn-ghost-white{border:1.5px solid rgba(255,255,255,.72);color:#fff;background:transparent}
  .btn-ghost-white:hover{background:rgba(255,255,255,.14)}
  .btn-sm{height:40px;padding:0 18px;font-size:15px}

  
  .skip{position:absolute;left:-9999px;top:0;z-index:70;padding:11px 20px;
        border-radius:0 0 10px 0;background:var(--blue);color:#fff;
        font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap}
  .skip:focus{left:0;outline:2px solid #fff;outline-offset:-4px}

  
  header{position:fixed;top:0;left:0;right:0;z-index:30;transition:background .25s,box-shadow .25s,border-color .25s;border-bottom:1px solid transparent}
  .head{display:flex;align-items:center;gap:28px;min-height:78px}
  
  .logo{flex-shrink:0}
  .logo img{height:32px;width:auto;filter:brightness(0) invert(1);transition:filter .25s}
  nav{margin-left:auto;display:flex;gap:26px;font-size:14.5px}
  nav a{color:rgba(255,255,255,.88);text-decoration:none;transition:color .25s}
  nav a:hover{color:#fff}
  .head-cta{display:flex;align-items:center;gap:14px}
  .tel{display:inline-flex;align-items:center;font-size:16px;font-weight:700;color:#fff;text-decoration:none;white-space:nowrap;transition:color .25s}
  
  .tel-ico{display:none;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  header.solid{background:rgba(255,255,255,.94);backdrop-filter:saturate(1.5) blur(12px);border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(11,37,69,.06)}
  header.solid .logo img{filter:none}
  header.solid nav a{color:var(--navy)}
  header.solid nav a:hover{color:var(--blue-text)}
  header.solid .tel{color:var(--navy)}
  
  header.solid .btn-white{background:var(--blue);color:#fff}
  header.solid .btn-white:hover{background:#1A5FB4}

  
  .navbtn{display:none;flex-shrink:0;align-items:center;justify-content:center;flex-direction:column;
          width:40px;height:40px;padding:0;border:0;border-radius:8px;background:transparent;
          color:#fff;cursor:pointer;transition:background .18s,color .25s}
  .navbtn:hover{background:rgba(255,255,255,.14)}
  .navbtn i{display:block;width:20px;height:2px;border-radius:2px;background:currentColor;
            transition:transform .22s,opacity .18s}
  .navbtn i + i{margin-top:4px}
  header.solid .navbtn{color:var(--navy)}
  header.solid .navbtn:hover{background:rgba(11,37,69,.07)}
  
  header.navopen .navbtn i:nth-child(1){transform:translateY(6px) rotate(45deg)}
  header.navopen .navbtn i:nth-child(2){opacity:0}
  header.navopen .navbtn i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .navdrop,.navdrop-mask{display:none;position:absolute;top:100%;left:0;right:0}
  .navdrop-mask{height:100vh;background:rgba(8,26,49,.5);opacity:0;visibility:hidden;
                transition:opacity .24s,visibility .24s}
  .navdrop{z-index:2;background:#fff;border-top:1px solid var(--line);
           box-shadow:0 20px 44px rgba(11,37,69,.18);padding:8px 0 22px;
           max-height:calc(100vh - 79px);overflow-y:auto;-webkit-overflow-scrolling:touch;
           opacity:0;visibility:hidden;transform:translateY(-10px);
           transition:opacity .24s,visibility .24s,transform .24s}
  header.navopen .navdrop,header.navopen .navdrop-mask{opacity:1;visibility:visible}
  header.navopen .navdrop{transform:none}
  
  .navdrop-inner{max-width:1120px;margin:0 auto;padding:0 20px}
  
  .navdrop .navdrop-nav{display:block;margin:0;gap:0;font-size:17px}
  .navdrop .navdrop-nav a{display:block;padding:15px 2px;color:var(--navy);text-decoration:none;
                          font-weight:500;border-bottom:1px solid var(--line);transition:color .18s}
  .navdrop .navdrop-nav a:last-child{border-bottom:0}
  .navdrop .navdrop-nav a:hover{color:var(--blue-text)}
  .navdrop .navdrop-nav a.on{color:var(--blue-text);font-weight:700}
  .navdrop .navdrop-cta{display:flex;flex-direction:column;gap:10px;margin-top:18px}
  .navdrop .navdrop-cta .btn{width:100%}

  
  .hero{position:relative;min-height:clamp(600px,86vh,780px);display:flex;align-items:center;overflow:hidden;background:var(--navy)}
  
  .hero-bg{position:absolute;inset:0;background-image:url('media/hero-07-A-modernluxury.webp');background-size:cover;background-position:center;transform-origin:center;will-change:transform;animation:heroDrift 24s cubic-bezier(.45,0,.55,1) infinite alternate}
  @keyframes heroDrift{
    from{transform:scale(1.005) translate3d(0,0,0)}
    to  {transform:scale(1.065) translate3d(-1.1%,-.9%,0)}
  }
  .hero.paused .hero-bg{animation-play-state:paused}
  @media (prefers-reduced-motion:reduce){ .hero-bg{animation:none} }
  
  .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transition:opacity .6s ease;pointer-events:none}
  .hero.has-video .hero-video{opacity:1}
  .hero.has-video .hero-bg{animation:none}
  .hero-scrim{position:absolute;inset:0;background:var(--scrim)}
  
  .hero-inner{position:relative;z-index:2;width:100%;padding:112px 0}
  .hero-box{max-width:780px;margin:0 auto;text-align:center}
  h1{font-family:var(--serif);font-weight:600;color:#fff;margin:0;font-size:clamp(34px,5.2vw,60px);line-height:1.16;text-shadow:0 2px 24px rgba(4,16,32,.45)}
  .cats{margin:18px 0 0;font-size:clamp(16px,2.1vw,21px);font-weight:600;color:#fff;letter-spacing:.02em}
  .cats i{font-style:normal;color:var(--cyan);padding:0 6px;opacity:.95}
  .lead{margin:18px auto 0;color:rgba(226,237,249,.92);font-size:clamp(15px,1.6vw,17.5px);max-width:30em}
  

  .band{padding:0 0 64px}
  .band.pad{padding-top:72px}
  .h-row{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;flex-wrap:wrap}
  h2{font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:600;margin:0;color:var(--navy)}
  .eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--blue-text);margin:0 0 6px}
  .ico{width:26px;height:26px;display:block;color:var(--navy)}
  svg.ico{stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

  
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .stat{background:var(--card);padding:26px 20px;text-align:center}
  .stat .ico{color:var(--blue);margin:0 auto 14px;display:block}
  .stat b{display:block;font-size:30px;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1.15;white-space:nowrap}
  .stat b em{font-style:normal;font-size:20px;margin-left:2px}
  .stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);white-space:nowrap}

  
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px 22px 30px;text-align:center;transition:.18s;text-decoration:none;color:inherit}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#C6D6E8}
  .card-ico{width:96px;height:96px;margin:0 auto 22px;border-radius:24px;background:#EAF2FB;display:flex;align-items:center;justify-content:center;transition:.18s}
  .card:hover .card-ico{background:#DEEBFA}
  .card-ico .ico{width:60px;height:60px;stroke-width:1.4;color:var(--blue)}
  .card h3{margin:0;font-size:24px;font-weight:600;color:var(--navy)}
  .card p{margin:12px 0 0;font-size:15.5px;color:var(--muted);line-height:1.75}
  .card .go{margin-top:20px;font-size:15.5px;font-weight:600;color:var(--blue-text)}

  
  .brands{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px 28px 26px}
  .brands .bhead{margin-bottom:24px}
  .bgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
  .brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:110px;border:1px solid var(--line);border-radius:10px;padding:16px 12px;background:var(--paper-2);text-align:center;text-decoration:none;color:inherit;transition:border-color .18s ease}
  
  .brand:hover{border-color:var(--blue-bright)}
  .brand .mark{height:38px;width:100%;display:flex;align-items:center;justify-content:center}
  .brand .mark img{max-height:38px;max-width:100%;width:auto;height:auto}
  .brand .mark svg{height:38px;width:auto}
  .brand .nm{font-size:12.5px;color:var(--muted);line-height:1.4}
  
  .brand.tall .mark{height:56px}
  .brand.tall .mark img{max-height:56px}

  
  .why{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
  .why li{display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;align-items:start;padding:18px 0;border-top:1px solid var(--line)}
  .why li:nth-child(1),.why li:nth-child(2){border-top:0;padding-top:6px}
  .why .wi{width:46px;height:46px;border-radius:12px;background:#EAF2FB;display:flex;align-items:center;justify-content:center;color:var(--blue)}
  .why .wi svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .why p{margin:0;padding-top:10px;font-size:16px;line-height:1.6;color:var(--text)}

  
  .aie{background:linear-gradient(120deg,#0B2545 0%,#123A6B 100%);border-radius:16px;padding:46px 44px 40px;color:#DCE8F6;position:relative;overflow:hidden}
  .aie::after{content:"";position:absolute;right:-70px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(0,166,196,.30),transparent 68%);pointer-events:none}
  .aie-head{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:40px;align-items:start}
  .aie-eyebrow{margin:0 0 6px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--cyan-lit)}
  .aie h2{color:#fff;line-height:1.3}
  .aie-lead{margin:12px 0 0;font-size:16px;line-height:1.75;color:#A9C1DC;max-width:34em}
  .aie-acts{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
  
  .aie-fig{margin:0}
  .aie-fig svg{display:block;width:100%;height:auto}
  .aie-steps{position:relative;z-index:1;list-style:none;margin:34px 0 0;padding:30px 0 0;border-top:1px solid rgba(255,255,255,.14);display:grid;grid-template-columns:repeat(3,1fr)}
  .aie-steps li{padding:0 30px}
  .aie-steps li:first-child{padding-left:0}
  .aie-steps li:last-child{padding-right:0}
  .aie-steps li+li{border-left:1px solid rgba(255,255,255,.14)}
  .aie-ibx{width:60px;height:60px;border-radius:16px;background:rgba(63,199,222,.13);border:1px solid rgba(63,199,222,.32);display:flex;align-items:center;justify-content:center}
  .aie-i{display:block;width:34px;height:34px;color:var(--cyan-lit);stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .aie-n{display:block;margin-top:16px;font-size:13px;font-weight:700;letter-spacing:.10em;color:var(--cyan-lit);font-variant-numeric:tabular-nums}
  .aie-steps h3{margin:6px 0 8px;font-size:18px;font-weight:600;color:#fff}
  .aie-steps p{margin:0;font-size:14.5px;line-height:1.78;color:#9FB8D4}
  .aie-note{position:relative;z-index:1;margin:30px 0 0;padding:24px 0 0;border-top:1px solid rgba(255,255,255,.14);font-size:15px;line-height:1.78;color:#C4D6EA;max-width:60em}
  .aie-note b{color:#fff;font-weight:600}
  .aie-src{position:relative;z-index:1;margin:12px 0 0;font-size:12.5px;line-height:1.7;color:#7B93AF;max-width:64em}

  
  .h-more{margin-left:auto;font-size:15px;font-weight:600;color:var(--blue-text);text-decoration:none;white-space:nowrap;transition:color .18s}
  .h-more:hover{color:var(--blue)}
  .faq{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px 28px}
  .faq details{border-top:1px solid var(--line)}
  .faq details:first-of-type{border-top:0}
  .faq summary{display:flex;align-items:center;gap:16px;padding:19px 0;cursor:pointer;list-style:none;font-size:17px;font-weight:600;color:var(--navy);transition:color .18s}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--blue-text)}
  .faq summary .q{flex:1;min-width:0}
  .faq .fx{flex:none;position:relative;width:20px;height:20px;color:var(--blue)}
  .faq .fx::before,.faq .fx::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s}
  .faq .fx::before{left:3px;right:3px;top:9px;height:2px}
  .faq .fx::after{top:3px;bottom:3px;left:9px;width:2px}
  .faq details[open] summary .fx::after{transform:scaleY(0)}
  .faq .fa{margin:0;padding:0 38px 20px 0;max-width:52em;font-size:15.5px;line-height:1.85;color:var(--muted)}
  .faq details[open] .fa{animation:faqIn .2s ease-out}
  @keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
  
  .faq-end{margin:18px 0 0;font-size:14.5px;color:var(--muted)}
  .faq-end a{color:var(--blue-text);font-weight:600;text-decoration:none}
  .faq-end a:hover{color:var(--blue)}

  
  .flow{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
  .flow li{padding:0 26px 0 0}
  .flow li:last-child{padding-right:0}
  .flow .fn{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--blue-text);font-variant-numeric:tabular-nums}
  .flow .fn::after{content:"";flex:1;height:1px;background:var(--line)}
  .flow li:last-child .fn::after{display:none}
  .flow h3{margin:14px 0 0;font-family:var(--sans);font-size:18px;font-weight:600;color:var(--navy);line-height:1.4}
  .flow p{margin:8px 0 0;font-size:15px;line-height:1.72;color:var(--muted)}

  
  .aboutsum{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
            background:linear-gradient(120deg,#FFFFFF 0%,#F7FAFF 100%);
            border:1px solid var(--line);border-radius:16px;padding:36px 38px}
  .aboutsum h2{margin:0}
  .aboutsum p{margin:14px 0 0;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:54em}
  .aboutsum p + p{margin-top:8px}
  .aboutsum-cta{flex:none}

  
  .modal{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;padding:20px}
  .modal.open{display:flex}
  .modal-mask{position:absolute;inset:0;background:rgba(8,26,49,.62)}
  .modal-card{position:relative;background:#fff;border-radius:16px;padding:30px;max-width:326px;width:100%;text-align:center;box-shadow:0 24px 60px rgba(8,26,49,.4);animation:pop .18s ease-out}
  @keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
  
  .modal-card h3{margin:0 0 4px;font-size:19px;color:var(--navy)}
  .modal-card .sub{margin:0 0 18px;font-size:14px;color:var(--muted)}
  .modal-card img{width:100%;border-radius:10px;border:1px solid var(--line)}
  .modal-card .tip{margin:14px 0 0;font-size:13px;color:var(--muted)}
  .modal-close{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;border:0;background:#EEF4FA;color:var(--navy);font-size:20px;line-height:1;cursor:pointer}
  .modal-close:hover{background:#E1EAF5}

  
  footer{background:var(--navy);color:#A9C1DC;padding:54px 0 22px;font-size:14px}
  .foot{display:grid;grid-template-columns:1.2fr 1.3fr .9fr;gap:40px;align-items:start}
  
  .foot h3{margin:0 0 16px;font-size:14.5px;font-weight:600;color:#fff}
  .f-brand img{margin-bottom:16px}
  .f-name{margin:0;font-size:14.5px;color:#DCE8F6}
  .f-addr{margin:6px 0 0;color:#8FA6BF;line-height:1.7}
  .f-tel{display:inline-block;font-size:31px;font-weight:700;color:#fff;text-decoration:none;line-height:1.15;font-variant-numeric:tabular-nums;transition:color .18s}
  .f-tel:hover{color:#7FB6EE}
  .f-telnote{margin:6px 0 18px;font-size:13px;color:#8FA6BF}
  .f-qr{display:flex;align-items:center;gap:12px;padding:8px 14px 8px 8px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:10px;width:max-content;max-width:100%;font-family:inherit;color:inherit;text-align:left;cursor:pointer;transition:.18s}
  .f-qr:hover{border-color:rgba(255,255,255,.36);background:rgba(255,255,255,.11)}
  .f-qr img{width:112px;border-radius:8px;background:#fff}
  .f-qr span{font-size:13px;color:#C4D6EA;line-height:1.5}
  .f-nav a{display:block;color:#A9C1DC;text-decoration:none;padding:5px 0;transition:color .18s}
  .f-nav a:hover{color:#fff}
  .f-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#7891AC}
  .f-bar .f-links{margin-left:auto}
  .f-bar a{color:#7891AC;text-decoration:none}
  .f-bar a:hover{color:#fff}

  @media (max-width:1023px){
    
    .head nav{display:none}
    
    .navbtn{display:inline-flex}
    .navdrop,.navdrop-mask{display:block}
    .hero-inner{padding:96px 0}
    .hero-bg{background-position:center}
    .stats{grid-template-columns:repeat(2,1fr)}
    .cards{grid-template-columns:repeat(2,1fr)}
    .bgrid{grid-template-columns:repeat(3,1fr)}
    .foot{grid-template-columns:1fr 1fr;gap:34px}
    .aie{padding:34px 28px}
    .aie-head{grid-template-columns:1fr;gap:26px}
    .aie-fig{max-width:430px}
    .aie-steps{grid-template-columns:1fr}
    .aie-steps li{padding:0}
    .aie-steps li+li{border-left:0;border-top:1px solid rgba(255,255,255,.14);margin-top:22px;padding-top:22px}
    .faq{padding:8px 22px}
    .faq .fa{padding-right:0}
    
    .why{column-gap:34px}
    
    .flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}
    .flow li:nth-child(2n) .fn::after{display:none}
    .aboutsum{padding:30px 28px;gap:28px}
  }
  @media (max-width:639px){
    
    .head{gap:12px}
    .head-cta{gap:10px}
    .logo img{height:27px}
    .head-cta .btn-sm{height:36px;padding:0 13px;font-size:14px}
    .tel-num{display:none}
    .tel-ico{display:block;width:24px;height:24px}
    .tel{padding:6px 2px;border-radius:8px}
    .navbtn{width:38px;height:38px}
    .hero{min-height:74vh}
    .hero-bg{background-position:center}
    .hero-inner{padding:84px 0}
    .stats{grid-template-columns:repeat(2,1fr)}
    .stat{padding:22px 18px}
    .stat b{font-size:26px}
    .cards{grid-template-columns:1fr}
    .bgrid{grid-template-columns:repeat(2,1fr)}
    .brands{padding:26px 18px 20px}
    .aie{padding:28px 22px}
    .aie-lead{font-size:15px}
    .aie-steps h3{font-size:17px}
    .aie-note{font-size:14.5px}
    footer{padding:40px 0 18px}
    .foot{grid-template-columns:1fr;gap:30px}
    .f-tel{font-size:26px}
    .f-bar{margin-top:28px}
    .h-row .h-more{margin-left:0;width:100%}
    .faq{padding:6px 18px}
    .faq summary{font-size:16px;padding:17px 0;gap:12px}
    .faq .fa{font-size:15px;padding:0 0 18px}
    
    .why{grid-template-columns:1fr;column-gap:0}
    .why li:nth-child(2){border-top:1px solid var(--line);padding-top:18px}
    
    .flow{grid-template-columns:1fr;row-gap:24px}
    .flow li{padding-right:0}
    .flow .fn::after{display:none}
    
    .aboutsum{grid-template-columns:1fr;gap:22px;padding:26px 22px}
    .aboutsum-cta .btn{width:100%}
  }