:root{
  --navy:#0b1e3f;
  --navy-2:#102a55;
  --navy-3:#16366b;
  --gold:#c9a14a;
  --gold-2:#e2c078;
  --ink:#1f2937;
  --muted:#5b6573;
  --line:#e6eaf0;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,30,63,.08);
  --shadow-lg:0 20px 50px rgba(11,30,63,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.container.narrow{max-width:860px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .25s ease;letter-spacing:.5px}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-gold{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);color:#2a1f05;
  box-shadow:0 8px 22px rgba(201,161,74,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,161,74,.45)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s;
  background:rgba(11,30,63,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav.scrolled{background:rgba(255,255,255,.97);box-shadow:0 2px 20px rgba(0,0,0,.06);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:17px}
.nav.scrolled .brand{color:var(--navy)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1f05;
  font-weight:800;font-size:15px;letter-spacing:.5px}
.brand-text{white-space:nowrap}
.nav-links{display:flex;gap:30px}
.nav-links a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;transition:color .2s;position:relative}
.nav.scrolled .nav-links a{color:var(--ink)}
.nav-links a:hover{color:var(--gold-2)}
.nav.scrolled .nav-links a:hover{color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.nav.scrolled .nav-toggle span{background:var(--navy)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(201,161,74,.25),transparent 60%),
    radial-gradient(900px 500px at 10% 110%,rgba(22,54,107,.6),transparent 60%),
    linear-gradient(135deg,#08152e 0%,#0f2a55 50%,#143a72 100%);
}
.hero::before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.5) 0,transparent 2px),
    radial-gradient(circle at 70% 60%,rgba(255,255,255,.4) 0,transparent 2px),
    radial-gradient(circle at 40% 80%,rgba(255,255,255,.3) 0,transparent 1.5px),
    radial-gradient(circle at 85% 25%,rgba(255,255,255,.4) 0,transparent 2px);
  background-size:600px 600px}
.hero-overlay{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,21,46,.2) 0%,rgba(8,21,46,.55) 100%);}
.hero-inner{position:relative;z-index:2;padding:120px 0 80px;max-width:960px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:4px;color:var(--gold-2);
  font-weight:600;margin:0 0 20px;padding-left:44px;position:relative}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;width:32px;height:1px;background:var(--gold-2)}
.hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.18;font-weight:800;margin:0 0 24px;letter-spacing:1px}
.hero .lead{font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.85);max-width:720px;margin:0 0 36px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px}
.hero-stats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding-top:36px;border-top:1px solid rgba(255,255,255,.15)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:28px;color:var(--gold-2);font-weight:700;line-height:1.2;margin-bottom:6px}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.72)}

/* sections */
.section{padding:96px 0}
.section-alt{background:var(--bg-soft)}
.section-eyebrow{font-size:13px;letter-spacing:4px;color:var(--gold);font-weight:600;
  margin:0 0 14px;text-align:center}
.section-eyebrow.light{color:var(--gold-2);text-align:left}
.section-title{font-size:clamp(28px,3.4vw,40px);font-weight:800;text-align:center;color:var(--navy);
  margin:0 0 16px;letter-spacing:.5px}
.section-title.light{color:#fff;text-align:left}
.section-sub{text-align:center;color:var(--muted);max-width:760px;margin:0 auto 56px;font-size:16px}
.section-sub.light{color:rgba(255,255,255,.82);text-align:left;margin-left:0}

/* cards grid */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:all .3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));transform:scaleX(0);transform-origin:left;transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-icon{font-size:34px;margin-bottom:14px;line-height:1}
.card h3{margin:0 0 10px;color:var(--navy);font-size:18px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.7}

/* path */
.path-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.path-main,.path-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.path-main h3,.path-side h3{margin:0 0 20px;color:var(--navy);font-size:20px;font-weight:700;
  padding-bottom:14px;border-bottom:2px solid var(--gold);display:inline-block}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding:10px 0 10px 32px;color:var(--ink);font-size:15.5px;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"✓";position:absolute;left:0;top:10px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1f05;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:13px}
.check-list strong{color:var(--navy);font-weight:700}
.dot-list{list-style:none;padding:0;margin:0 0 20px}
.dot-list li{position:relative;padding:8px 0 8px 22px;color:var(--ink);font-size:15px}
.dot-list li::before{content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(201,161,74,.18)}
.callout{background:linear-gradient(135deg,#fdf8ec,#fbf2dc);border-left:4px solid var(--gold);
  padding:18px 20px;border-radius:8px}
.callout strong{display:block;color:var(--navy);font-size:15px;margin-bottom:6px}
.callout span{font-size:14px;color:var(--muted)}
.note{margin-top:24px;padding:14px 18px;background:#fef7e6;border:1px solid #f5e0a3;border-radius:8px;
  color:#7a5a12;font-size:13.5px}

/* timeline */
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step}
.timeline li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative}
.timeline li::after{content:"";position:absolute;top:42px;right:-18px;width:36px;height:2px;background:var(--gold);opacity:.4}
.timeline li:nth-child(3n)::after{display:none}
.step-no{display:inline-block;font-size:14px;font-weight:800;color:var(--gold);letter-spacing:2px;
  margin-bottom:10px;font-family:Georgia,serif}
.timeline h3{margin:0 0 8px;color:var(--navy);font-size:18px}
.timeline p{margin:0;color:var(--muted);font-size:14.5px}

/* features */
.feature{background:#fff;border-radius:var(--radius);padding:32px 28px;border:1px solid var(--line);
  transition:all .3s}
.feature:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.feature-num{font-size:40px;font-weight:800;color:var(--gold);font-family:Georgia,serif;
  opacity:.55;line-height:1;margin-bottom:14px}
.feature h3{margin:0 0 10px;color:var(--navy);font-size:19px}
.feature p{margin:0;color:var(--muted);font-size:14.5px}

/* faq */
.faq{display:flex;flex-direction:column;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 24px;transition:.2s}
.faq details[open]{box-shadow:var(--shadow);border-color:transparent}
.faq summary{padding:20px 0;cursor:pointer;font-size:16px;font-weight:600;color:var(--navy);
  list-style:none;position:relative;padding-right:40px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:26px;color:var(--gold);font-weight:300;transition:.2s}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0;padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.8}

/* contact */
.section-contact{background:
  radial-gradient(900px 500px at 90% 0%,rgba(201,161,74,.2),transparent 60%),
  linear-gradient(135deg,#08152e 0%,#0f2a55 100%);color:#fff}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
.contact-list{list-style:none;padding:0;margin:30px 0;display:flex;flex-direction:column;gap:22px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.ci{flex:0 0 44px;width:44px;height:44px;border-radius:12px;
  background:rgba(201,161,74,.15);border:1px solid rgba(201,161,74,.35);
  display:flex;align-items:center;justify-content:center;font-size:20px;position:relative}
.ci-tel::before{content:"📞"}
.ci-manager::before{content:"👔"}
.ci-wechat::before{content:"💬"}
.ci-mail::before{content:"✉️"}
.ci-addr::before{content:"📍"}
.contact-list strong{display:block;color:#fff;font-size:16px;margin-bottom:2px}
.contact-list em{font-style:normal;color:rgba(255,255,255,.7);font-size:14px}
.disclaimer{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.8;margin-top:30px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}

.contact-form{background:#fff;border-radius:18px;padding:36px;color:var(--ink);box-shadow:var(--shadow-lg)}
.contact-form h3{margin:0 0 24px;color:var(--navy);font-size:22px;text-align:center}
.contact-form-lead{text-align:center;color:var(--muted);font-size:14.5px;margin:0 0 24px}
.contact-channels{display:flex;flex-direction:column;gap:12px}
.channel{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);
  border-radius:12px;background:#fff;transition:all .25s;cursor:pointer}
a.channel{color:inherit}
.channel:hover{border-color:var(--gold);box-shadow:0 8px 20px rgba(201,161,74,.18);transform:translateY(-2px)}
.channel-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:linear-gradient(135deg,#fdf4dc,#f7e4b0);display:flex;align-items:center;justify-content:center;font-size:22px}
.channel-text{display:flex;flex-direction:column}
.channel-text strong{color:var(--navy);font-size:15px;margin-bottom:2px}
.channel-text em{font-style:normal;color:var(--muted);font-size:14px}
.form-tip{text-align:center;font-size:12.5px;color:var(--muted);margin:20px 0 0}

/* footer */
.footer{background:#060f22;color:rgba(255,255,255,.6);padding:28px 0;font-size:14px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-links{display:flex;gap:22px}
.footer-links a{color:rgba(255,255,255,.6);transition:color .2s;font-size:14px}
.footer-links a:hover{color:var(--gold-2)}

/* floating call */
.float-call{position:fixed;right:24px;bottom:28px;z-index:90;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1f05;
  padding:12px 20px;border-radius:999px;font-weight:700;font-size:14px;
  display:flex;align-items:center;gap:8px;box-shadow:0 10px 30px rgba(201,161,74,.5);
  animation:pulse 2.2s infinite}
.float-call-icon{font-size:18px}
@keyframes pulse{
  0%,100%{box-shadow:0 10px 30px rgba(201,161,74,.5)}
  50%{box-shadow:0 10px 30px rgba(201,161,74,.8),0 0 0 12px rgba(201,161,74,.08)}
}

/* responsive */
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .path-wrap{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .timeline li::after{display:none}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:680px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    padding:16px 24px;gap:0;box-shadow:0 10px 30px rgba(0,0,0,.1)}
  .nav-links.open{display:flex}
  .nav-links a{color:var(--navy)!important;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .brand-text{font-size:14px}
  .footer-inner{flex-direction:column;text-align:center}
  .float-call-text{display:none}
  .float-call{padding:14px;border-radius:50%}
}