:root{
  --navy:#102C45; --navy-2:#1B3E5C; --gold:#B18A4C; --gold-l:#D9BE8A;
  --ink:#1B2430; --muted:#5A6675; --line:#E2E5E9; --paper:#FFFFFF;
  --wash:#F6F7F8; --warm:#FAF8F4; --white:#fff;
  --serif:Georgia,"Times New Roman",Times,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16.5px;line-height:1.72;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:var(--navy-2);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.24;letter-spacing:-.01em;color:var(--navy)}
h1{font-size:clamp(2.1rem,4.2vw,3.35rem);margin:.2em 0 .45em}
h2{font-size:clamp(1.55rem,2.5vw,2.1rem);margin:0 0 .85em}
h3{font-size:1.22rem;margin:0 0 .5em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin-bottom:.45em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.small{font-size:.85rem;color:var(--muted)}
.center{text-align:center}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* header */
.site-header{border-top:3px solid var(--gold);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.brand{display:flex;align-items:center;gap:14px;color:var(--navy)}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border:1px solid var(--gold);color:var(--gold);font-family:var(--serif);font-size:1.02rem;letter-spacing:.06em;margin:0}
.brand-text strong{display:block;font-family:var(--serif);font-size:1.02rem;line-height:1.25;letter-spacing:.01em}
.brand-text small{display:block;font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.primary-nav ul{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.primary-nav a{font-size:.9rem;font-weight:600;letter-spacing:.03em;color:var(--navy);padding:8px 0;border-bottom:2px solid transparent}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{border-bottom-color:var(--gold);text-decoration:none;color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.2s}

/* breadcrumb */
.breadcrumb{padding-top:18px;padding-bottom:0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:.8rem;color:var(--muted)}
.breadcrumb li+li:before{content:"/";margin-right:8px;color:var(--gold-l)}

/* hero */
.hero{background:linear-gradient(135deg,#102C45 0%,#163A58 55%,#1D4A6C 100%);color:#fff;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border:1px solid rgba(217,190,138,.22);border-radius:50%}
.hero:after{content:"";position:absolute;right:20px;bottom:-190px;width:380px;height:380px;border:1px solid rgba(217,190,138,.14);border-radius:50%}
.hero-inner{display:grid;grid-template-columns:1.35fr .8fr;gap:56px;align-items:center;padding-top:76px;padding-bottom:80px;position:relative;z-index:1}
.hero h1{color:#fff;max-width:17ch}
.kicker{font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-l);margin:0 0 14px;font-weight:600}
.lead{font-size:1.13rem;line-height:1.75;color:rgba(255,255,255,.86);max-width:62ch}
.hero .lead{color:rgba(255,255,255,.88)}
.hero-note{font-size:.82rem;color:rgba(255,255,255,.62);margin-top:26px;letter-spacing:.02em}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;font-size:.9rem;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:.18s;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#14293C;border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-l)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.hero-panel{background:rgba(255,255,255,.055);border:1px solid rgba(217,190,138,.3);padding:26px 24px}
.panel-label{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-l);margin-bottom:14px}
.hero-panel ul{list-style:none;margin:0;padding:0}
.hero-panel li{border-top:1px solid rgba(255,255,255,.12);margin:0}
.hero-panel li:first-child{border-top:0}
.hero-panel a{display:flex;justify-content:space-between;align-items:center;padding:11px 0;color:#fff;font-size:.94rem}
.hero-panel a:hover{color:var(--gold-l);text-decoration:none}
.hero-panel em{font-style:normal;color:var(--gold-l)}
.panel-foot{font-size:.76rem;color:rgba(255,255,255,.55);margin:16px 0 0;border-top:1px solid rgba(255,255,255,.12);padding-top:14px}

.page-head{background:var(--warm);border-bottom:1px solid var(--line);padding:52px 0 46px}
.page-head h1{font-size:clamp(1.9rem,3.4vw,2.7rem);max-width:24ch;margin-bottom:.35em}
.page-head .lead{color:var(--muted);font-size:1.05rem;max-width:78ch;margin:0}
.page-head .kicker{color:var(--gold)}

/* sections */
.section{padding:72px 0}
.section.alt{background:var(--wash)}
.section.related{background:var(--warm);padding:56px 0}
.section-intro{font-size:1.06rem;color:var(--muted);max-width:82ch;margin-bottom:34px}
.trust{padding:0;background:var(--paper)}
.trust-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;list-style:none;margin:0;padding:0;border-bottom:1px solid var(--line)}
.trust-list li{padding:30px 26px;border-right:1px solid var(--line);margin:0}
.trust-list li:last-child{border-right:0}
.trust-list strong{display:block;font-family:var(--serif);color:var(--navy);font-size:1.03rem;margin-bottom:6px}
.trust-list span{display:block;font-size:.85rem;color:var(--muted);line-height:1.6}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card,.tile{background:#fff;border:1px solid var(--line);padding:28px 26px;transition:.18s}
.section.alt .card,.section.alt .tile{background:#fff}
.card:hover{border-color:var(--gold-l);box-shadow:0 10px 30px rgba(16,44,69,.07)}
.card p,.tile p{color:var(--muted);font-size:.96rem;margin-bottom:0}
.card h3{margin-bottom:.55em}
.card-link{display:inline-block;margin-top:16px;font-size:.86rem;font-weight:600;color:var(--gold);border-bottom:1px solid var(--gold-l);padding-bottom:2px}
.tile{padding:26px 24px;border-top:3px solid var(--gold)}
.tile h3{font-size:1.12rem}
.text-link{font-weight:600;border-bottom:1px solid var(--gold)}
.list li{padding-left:6px}
.list li::marker{color:var(--gold)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px}
.split h3{margin-top:0}
.callout{border-left:3px solid var(--gold);background:var(--warm);padding:20px 24px;margin-top:32px}
.callout p{margin:.5em 0 0;color:var(--muted);font-size:.96rem}
.callout strong{color:var(--navy);font-family:var(--serif);font-size:1.05rem}
.callout-language{border-left-color:var(--navy-2);background:#F1F5F8}
.callout-note{background:#FBFAF6}
.steps{list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{display:flex;gap:22px;padding:0 0 28px;margin:0;position:relative}
.steps li:not(:last-child):before{content:"";position:absolute;left:21px;top:46px;bottom:0;width:1px;background:var(--line)}
.step-n{display:grid;place-items:center;flex:0 0 44px;height:44px;border:1px solid var(--gold);color:var(--gold);font-family:var(--serif);font-size:.95rem;background:#fff;position:relative;z-index:1}
.steps h3{font-size:1.08rem;margin:6px 0 6px}
.steps p{color:var(--muted);font-size:.95rem;margin:0;max-width:74ch}
.faq{margin:0}
.faq dt{font-family:var(--serif);font-size:1.12rem;font-weight:600;color:var(--navy);padding:20px 0 6px;border-top:1px solid var(--line)}
.faq dt:first-child{border-top:0;padding-top:0}
.faq dd{margin:0 0 8px;color:var(--muted);font-size:.97rem;max-width:88ch}
.mini-card{display:block;background:#fff;border:1px solid var(--line);padding:20px 22px;color:var(--ink)}
.mini-card:hover{border-color:var(--gold);text-decoration:none}
.mini-card strong{display:block;font-family:var(--serif);color:var(--navy);font-size:1.08rem;margin-bottom:6px}
.mini-card span{display:block;font-size:.88rem;color:var(--muted)}
.fact-table{width:100%;border-collapse:collapse;font-size:.93rem}
.fact-table th,.fact-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.fact-table th{width:38%;color:var(--muted);font-weight:600}
.quote{font-family:var(--serif);font-size:1.25rem;line-height:1.7;color:var(--navy);border-left:3px solid var(--gold);margin:0 0 14px;padding:6px 0 6px 26px;max-width:76ch}
.prose{max-width:82ch}
.prose h3{font-size:1.15rem;margin:30px 0 10px}
.prose p{color:var(--muted)}
.prose strong{color:var(--ink)}
.pending{background:#FFF2CC;color:#7A4B00;border-bottom:1px dashed #C99A34;padding:0 .2em;font-weight:600}

/* cta + footer */
.cta{background:var(--navy);color:#fff;padding:64px 0;text-align:center}
.cta h2{color:#fff;margin-bottom:.35em}
.cta p{color:rgba(255,255,255,.8);max-width:66ch;margin:0 auto}
.cta .btn-row{justify-content:center;margin-top:24px}
.cta .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.cta .btn-outline:hover{background:#fff;color:var(--navy)}
.site-footer{background:#0B2136;color:rgba(255,255,255,.72);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px}
.site-footer h2{color:#fff;font-family:var(--sans);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0;font-size:.88rem}
.site-footer li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--gold-l)}
.site-footer .brand-mark{margin-bottom:14px}
.site-footer .small{color:rgba(255,255,255,.5);font-size:.78rem;line-height:1.7}
.footer-brand p{margin:0 0 12px;font-size:.9rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:24px;font-size:.8rem;color:rgba(255,255,255,.5)}
.footer-bottom p{margin:0}
.footer-bottom a{color:var(--gold-l)}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding-top:56px;padding-bottom:56px}
  .hero-panel{max-width:520px}
  .trust-list{grid-template-columns:repeat(2,1fr)}
  .trust-list li:nth-child(2){border-right:0}
  .trust-list li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .grid-3,.footer-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .header-inner{min-height:66px}
  .brand-text strong{font-size:.9rem}
  .brand-text small{font-size:.62rem;letter-spacing:.06em}
  .nav-toggle{display:block}
  .primary-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(16,44,69,.1)}
  .primary-nav.open{display:block}
  .primary-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px}
  .primary-nav li{border-bottom:1px solid var(--line)}
  .primary-nav a{display:block;padding:13px 0}
  .primary-nav a[aria-current="page"]{color:var(--gold)}
  .header-inner{position:relative}
  .site-header{position:relative}
  .section{padding:50px 0}
  .grid-2,.grid-3,.trust-list,.footer-grid{grid-template-columns:1fr}
  .trust-list li{border-right:0;border-bottom:1px solid var(--line)}
  .trust-list li:last-child{border-bottom:0}
  .card,.tile{padding:22px 20px}
  .cta{padding:48px 0}
  .btn{width:100%}
  .page-head{padding:40px 0 34px}
  .footer-grid{gap:26px}
}

/* language switch (bilingual edition) */
.lang-switch{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;padding:8px 13px;border:1px solid var(--line);border-radius:2px;font-size:.8rem;font-weight:600;letter-spacing:.03em;color:var(--navy);background:#fff;white-space:nowrap;cursor:pointer}
.lang-switch:hover{border-color:var(--gold);color:var(--gold);text-decoration:none;background:var(--warm)}
.lang-switch .ls-flag{font-size:.68rem;font-weight:700;letter-spacing:.06em;color:var(--gold);border:1px solid var(--gold-l);padding:1px 5px;letter-spacing:.06em}
/* Chinese typography */
body.zh{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.85}
body.zh h1,body.zh h2,body.zh h3,body.zh h4{font-family:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC",SimSun,Georgia,serif;font-weight:700;letter-spacing:0}
body.zh .hero h1,body.zh .page-head h1{letter-spacing:.01em}
@media (max-width:640px){
  .header-inner{gap:10px}
  .brand-text small{display:none}
  .lang-switch{padding:6px 9px;font-size:.72rem;gap:5px}
  .lang-switch .ls-flag{display:none}
}