:root{
  --navy:#16283f; --navy2:#1f3a5c; --ink:#23303f; --paper:#faf8f4; --card:#ffffff;
  --gold:#b98a2f; --gold-soft:#f3e9d2; --line:#e3ded2; --muted:#5c6a78;
  --serif:Georgia,'Times New Roman','Songti SC','SimSun',serif;
  --sans:-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px}
a{color:var(--navy2)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
/* header */
header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 6px rgba(0,0,0,.18)}
.header-in{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-size:21px;letter-spacing:.3px;color:#fff;text-decoration:none}
.brand small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:2.2px;text-transform:uppercase;color:#c9d4e2;margin-top:1px}
nav a{color:#e8eef5;text-decoration:none;margin-left:22px;font-size:15px}
nav a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
nav a.cta{background:var(--gold);color:#fff;padding:8px 16px;border-radius:4px;font-weight:600}
nav a.cta:hover{background:#a5791f;text-decoration:none}
/* hero */
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:72px 0 64px}
.hero .kicker{letter-spacing:2.5px;text-transform:uppercase;font-size:12.5px;color:#d9c58a;margin-bottom:18px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:42px;line-height:1.2;max-width:760px}
.hero p.sub{font-size:19px;color:#cfdce9;margin-top:18px;max-width:700px}
.hero .badges{display:flex;gap:28px;align-items:center;margin-top:34px;flex-wrap:wrap}
.hero .badges .logos{display:flex;gap:14px;align-items:center}
.hero .badges img{height:60px;width:auto;max-width:210px;object-fit:contain;display:block;background:#fff;border-radius:8px;padding:9px 16px;box-sizing:border-box}
.hero .badges .acc{font-size:14.5px;color:#e8eef5;max-width:300px;line-height:1.5}
.btn{display:inline-block;background:var(--gold);color:#fff;text-decoration:none;padding:13px 26px;border-radius:4px;font-weight:600;font-size:16px;margin-top:30px}
.btn:hover{background:#a5791f}
/* sections */
section{padding:64px 0}
.sec-title{font-family:var(--serif);font-size:31px;color:var(--navy);margin-bottom:8px}
.sec-kicker{letter-spacing:2px;text-transform:uppercase;font-size:12px;color:var(--gold);font-weight:700;margin-bottom:10px}
.sec-intro{color:var(--muted);max-width:760px;margin-bottom:36px}
/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillars.two{grid-template-columns:repeat(2,1fr)}
.pillar{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:8px;padding:28px 26px}
.pillar .tag{font-size:12px;letter-spacing:1.6px;text-transform:uppercase;color:var(--gold);font-weight:700}
.pillar h3{font-family:var(--serif);font-size:21.5px;color:var(--navy);margin:8px 0 14px;line-height:1.3}
.pillar ul{list-style:none}
.pillar li{padding:7px 0 7px 18px;position:relative;border-bottom:1px dashed #eee7d6;font-size:15.5px}
.pillar li:last-child{border-bottom:none}
.pillar li::before{content:"·";position:absolute;left:4px;color:var(--gold);font-weight:900}
.pillar .seal{margin-top:14px;font-size:14px;color:var(--navy2);font-style:italic}
/* about strip */
.about-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start}
.about-grid h2{font-family:var(--serif);font-size:30px;color:var(--navy);margin-bottom:14px}
.about-grid p{margin-bottom:14px;color:#37434f}
.facts{background:var(--gold-soft);border-radius:8px;padding:24px 26px}
.facts div{padding:9px 0;border-bottom:1px solid #e6d9b8;font-size:15.5px}
.facts div:last-child{border-bottom:none}
.facts b{color:var(--navy)}
/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);padding:17px 0;font-size:16.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--gold);font-size:20px;line-height:1}
.faq details[open ] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:#37434f}
/* form */
.quote{background:var(--navy);color:#fff}
.quote .sec-title{color:#fff}
.quote .sec-intro{color:#cfdce9}
.quote-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
.quote-info p{margin-bottom:14px;color:#dbe5ef}
.quote-info .fact{border-left:3px solid var(--gold);padding:4px 0 4px 16px;margin:18px 0}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:13.5px;letter-spacing:.4px;margin:14px 0 6px;color:#e8eef5}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #47607f;border-radius:4px;background:#fff;color:var(--ink);font-family:var(--sans);font-size:15.5px}
textarea{resize:vertical}
button[type=submit]{background:var(--gold);color:#fff;border:none;padding:13px 30px;border-radius:4px;font-weight:600;font-size:16px;cursor:pointer;margin-top:20px}
button[type=submit]:hover{background:#a5791f}
.form-note{font-size:14px;color:#b9c9da;margin-top:16px;line-height:1.6}
.form-note a{color:#e9cf8f}
/* zh strip */
.zh{background:#fff;border-top:1px solid var(--line)}
.zh h2{font-family:var(--serif);font-size:27px;color:var(--navy);margin-bottom:10px}
.zh p{color:#37434f;max-width:820px;margin-bottom:10px}
/* footer */
footer{background:#101d2e;color:#b9c9da;padding:52px 0 36px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:36px}
footer h4{color:#fff;font-family:var(--serif);font-size:18px;margin-bottom:12px}
footer p,footer li{margin-bottom:7px}
footer ul{list-style:none}
footer a{color:#d9c58a;text-decoration:none}
.foot-bottom{border-top:1px solid #24344a;margin-top:36px;padding-top:20px;font-size:13.5px;color:#8296ab;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:860px){
  .pillars,.pillars.two,.about-grid,.quote-grid,.foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  form .row{grid-template-columns:1fr}
  nav{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
  nav a{margin-left:0;white-space:nowrap}
  .brand{font-size:19px}
  .brand small{letter-spacing:1.4px}
}
nav a.lang{border:1px solid #7d92ab;border-radius:4px;padding:6px 12px}
nav a.lang:hover{text-decoration:none;border-color:#fff}
.wechat-qr{width:128px;height:128px;object-fit:contain;background:#fff;border-radius:10px;padding:8px;margin-top:4px}