:root {
  --ivory: #f7f2e8;
  --paper: #fffdf8;
  --stone-100: #eee7dc;
  --stone-300: #cfc5b6;
  --stone-600: #746d63;
  --charcoal: #252925;
  --forest: #1f4938;
  --forest-deep: #153528;
  --sage: #9aab9c;
  --gold: #b69254;
  --gold-soft: #dfc991;
  --red: #9d3a33;
  --white: #fff;
  --shadow-sm: 0 10px 30px rgba(31, 47, 38, .08);
  --shadow-lg: 0 28px 70px rgba(22, 41, 31, .14);
  --radius-sm: .65rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.8rem;
  --container: 1180px;
  --space: clamp(4rem, 8vw, 7.5rem);
  --serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --sans: Inter, Aptos, "Segoe UI", "Noto Sans SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.nav-open, body.chat-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: var(--forest); text-decoration-thickness: .08em; text-underline-offset: .2em; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 999; transform: translateY(-160%); background: var(--charcoal); color: white; padding: .7rem 1rem; }
.skip-link:focus { transform: none; }
.container { width: min(calc(100% - 2rem), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 780px); margin-inline: auto; }
.eyebrow { color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; letter-spacing: -.02em; margin: 0 0 .8rem; }
h1 { font-size: clamp(2.55rem, 7vw, 5.8rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.7rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
p { margin: 0 0 1rem; }
.lead { font-size: clamp(1.08rem, 2vw, 1.28rem); color: #4d544f; max-width: 64ch; }
.muted { color: var(--stone-600); }
.section { padding-block: var(--space); }
.section.soft { background: var(--ivory); }
.section.dark { background: var(--forest-deep); color: var(--white); }
.section.dark .eyebrow { color: var(--gold-soft); }
.section-head { display: grid; gap: .5rem; margin-bottom: clamp(2rem, 5vw, 3.5rem); max-width: 760px; }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--white); border: 1px solid var(--stone-100); border-radius: var(--radius-md); padding: clamp(1.25rem, 3vw, 2rem); box-shadow: var(--shadow-sm); }
.card.dark-card { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.15); box-shadow: none; }
.card p:last-child { margin-bottom: 0; }
.card-link { display: block; color: inherit; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.card-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-number { display: inline-grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: 1.1rem; border-radius: 50%; background: var(--ivory); color: var(--forest); font-weight: 800; }
.pill { display: inline-flex; align-items: center; gap: .45rem; border: 1px solid var(--stone-300); border-radius: 999px; padding: .35rem .75rem; font-size: .84rem; }
.btn { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; gap: .55rem; border: 1px solid var(--forest); border-radius: 999px; background: var(--forest); color: white; padding: .7rem 1.15rem; font-weight: 760; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--forest-deep); }
.btn.secondary { background: transparent; color: var(--forest); }
.btn.light { background: var(--ivory); color: var(--forest-deep); border-color: var(--ivory); }
.btn.ghost-light { background: transparent; color: white; border-color: rgba(255,255,255,.5); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.text-link { display: inline-flex; gap: .35rem; align-items: center; font-weight: 760; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,253,248,.94); border-bottom: 1px solid rgba(182,146,84,.18); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 4.75rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--forest-deep); font-family: var(--serif); font-size: 1.45rem; text-decoration: none; white-space: nowrap; }
.brand small { display: block; color: var(--stone-600); font: 600 .58rem/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 1.2rem; }
.nav-link, .nav-toggle { border: 0; background: transparent; color: var(--charcoal); font-size: .88rem; font-weight: 700; text-decoration: none; cursor: pointer; padding: .75rem 0; }
.nav-item { position: relative; }
.mega { position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px); width: min(720px, 80vw); display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; padding: 1rem; background: var(--white); border: 1px solid var(--stone-100); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: .18s ease; }
.nav-item:hover .mega, .nav-item:focus-within .mega { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.mega a { display: block; border-radius: .5rem; padding: .75rem; color: var(--charcoal); text-decoration: none; }
.mega a:hover { background: var(--ivory); }
.mega strong { display: block; color: var(--forest); }
.mega span { font-size: .78rem; color: var(--stone-600); }
.menu-button { display: none; width: 2.8rem; height: 2.8rem; border: 1px solid var(--stone-300); border-radius: 50%; background: transparent; color: var(--forest); cursor: pointer; }
.mobile-panel { display: none; position: fixed; inset: 4.75rem 0 0; z-index: 49; overflow: auto; background: var(--paper); padding: 1rem; }
.mobile-panel[aria-hidden="false"] { display: block; }
.mobile-panel details { border-bottom: 1px solid var(--stone-100); }
.mobile-panel summary, .mobile-panel > a { display: block; list-style: none; padding: 1rem .35rem; color: var(--charcoal); font-weight: 750; text-decoration: none; cursor: pointer; }
.mobile-panel details a { display: block; padding: .7rem 1rem; color: var(--forest); text-decoration: none; }

.hero { position: relative; overflow: hidden; padding-block: clamp(4.5rem, 10vw, 8.5rem); background: linear-gradient(120deg, var(--ivory), var(--paper) 56%, #e8eee8); }
.hero::before { content: ""; position: absolute; width: min(46vw, 620px); aspect-ratio: 1; right: -8%; top: -25%; border: 1px solid rgba(182,146,84,.35); border-radius: 50%; box-shadow: 0 0 0 55px rgba(182,146,84,.05), 0 0 0 110px rgba(31,73,56,.035); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.hero-copy p { max-width: 62ch; }
.hero-note { align-self: end; background: rgba(255,255,255,.72); border: 1px solid rgba(182,146,84,.32); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.75rem); box-shadow: var(--shadow-lg); backdrop-filter: blur(8px); }
.hero-note ul, .check-list { margin: 1rem 0 0; padding: 0; list-style: none; }
.hero-note li, .check-list li { position: relative; padding: .5rem 0 .5rem 1.6rem; }
.hero-note li::before, .check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 900; }
.subhero { padding-block: clamp(3.5rem, 8vw, 6.5rem); background: var(--ivory); }
.subhero .container { max-width: 950px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; color: var(--stone-600); font-size: .82rem; }
.breadcrumbs a { color: inherit; }
.summary-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: -2rem; position: relative; z-index: 2; background: var(--stone-100); border: 1px solid var(--stone-100); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.summary-strip > div { background: var(--white); padding: 1.25rem; }
.summary-strip strong { display: block; color: var(--forest); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.choice { border-top: 3px solid var(--gold); }
.choice.urgent { border-top-color: var(--red); }
.location-grid a { min-height: 8rem; display: flex; flex-direction: column; justify-content: end; }
.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.process { counter-reset: steps; }
.process .card { position: relative; padding-top: 4rem; }
.process .card::before { counter-increment: steps; content: "0" counter(steps); position: absolute; top: 1.2rem; left: 1.3rem; color: var(--gold); font-weight: 900; letter-spacing: .1em; }
.faq details { border-top: 1px solid var(--stone-300); padding: 1rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--stone-300); }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.15rem; font-weight: 600; }
.faq details p { margin: .8rem 0 0; color: var(--stone-600); }
.cta-panel { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; border-radius: var(--radius-lg); background: var(--forest-deep); color: white; padding: clamp(1.5rem, 5vw, 3.5rem); }

.site-footer { padding: 4.5rem 0 2rem; background: #122a21; color: #dfe6e1; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2rem; }
.site-footer h3 { font-size: 1rem; font-family: var(--sans); font-weight: 800; color: white; }
.site-footer a { display: block; margin: .35rem 0; color: #dfe6e1; text-decoration: none; }
.site-footer .brand { color: white; display: inline-block; margin-bottom: 1rem; }
.footer-meta { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .82rem; color: #aab8af; }

.chat-launcher { position: fixed; right: 24px; bottom: 24px; z-index: 80; min-height: 3.5rem; border: 0; border-radius: 999px; background: var(--forest); color: white; padding: .8rem 1.1rem; box-shadow: 0 14px 35px rgba(21,53,40,.3); font-weight: 800; cursor: pointer; }
.chat-launcher .pulse { display: inline-block; width: .55rem; height: .55rem; margin-right: .5rem; border-radius: 50%; background: #cddfae; box-shadow: 0 0 0 0 rgba(205,223,174,.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 60% { box-shadow: 0 0 0 9px rgba(205,223,174,0); } }
.chat-backdrop { position: fixed; inset: 0; z-index: 89; background: rgba(15,27,21,.45); opacity: 0; pointer-events: none; transition: opacity .2s; }
.chat-backdrop.open { opacity: 1; pointer-events: auto; }
.chat-panel { position: fixed; right: 24px; bottom: 24px; z-index: 90; width: min(410px, calc(100vw - 32px)); max-height: min(720px, calc(100dvh - 32px)); display: flex; flex-direction: column; border-radius: var(--radius-lg); background: var(--paper); box-shadow: 0 30px 90px rgba(10,25,18,.3); transform: translateY(115%); opacity: 0; transition: transform .25s ease, opacity .25s; }
.chat-panel.open { transform: none; opacity: 1; }
.chat-head { display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 1.25rem; background: var(--forest-deep); color: white; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.chat-head h2 { font: 700 1rem/1.3 var(--sans); margin: 0; }
.chat-close { width: 2.4rem; height: 2.4rem; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: transparent; color: white; cursor: pointer; }
.chat-progress { height: 4px; background: var(--stone-100); }
.chat-progress span { display: block; height: 100%; width: 0; background: var(--gold); transition: width .2s; }
.chat-body { overflow: auto; padding: 1.25rem; }
.chat-intro { color: var(--stone-600); font-size: .9rem; }
.form-field { margin: 0 0 1rem; }
.form-field label, .form-field legend { display: block; margin-bottom: .4rem; font-weight: 760; }
.form-field input, .form-field select { width: 100%; min-height: 3rem; border: 1px solid var(--stone-300); border-radius: .6rem; background: white; padding: .65rem .8rem; }
.form-field fieldset { border: 0; padding: 0; margin: 0; }
.radio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.radio-grid label { display: flex; gap: .5rem; align-items: center; border: 1px solid var(--stone-300); border-radius: .6rem; padding: .65rem; font-weight: 600; cursor: pointer; }
.chat-actions { position: sticky; bottom: -1.25rem; display: flex; gap: .6rem; margin: 1.5rem -1.25rem -1.25rem; padding: 1rem 1.25rem; background: var(--paper); border-top: 1px solid var(--stone-100); }
.chat-actions .btn { flex: 1; }
.chat-actions .btn:disabled { background: #b9beb9; border-color: #b9beb9; cursor: not-allowed; }
.chat-status { min-height: 1.4rem; color: var(--red); font-size: .82rem; }
.zh-page { --red: #8f342f; }
.zh-page .eyebrow { color: var(--red); }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-grid; place-items: center; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-note { max-width: 620px; }
  .grid.four { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .container, .narrow { width: min(calc(100% - 1.25rem), var(--container)); }
  .section { padding-block: 4.2rem; }
  .grid.two, .grid.three, .grid.four, .summary-strip, .footer-grid, .cta-panel { grid-template-columns: 1fr; }
  .hero { padding-block: 4.25rem 5.5rem; }
  .hero::before { width: 90vw; right: -45%; top: -5%; }
  .summary-strip { margin-top: -1.25rem; }
  .btn-row .btn { width: 100%; }
  .radio-grid { grid-template-columns: 1fr; }
  .footer-meta { flex-direction: column; }
  .chat-launcher { right: 16px; bottom: 16px; }
  .chat-panel { right: 16px; bottom: 16px; max-height: calc(100dvh - 32px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}

/* compact chat launcher + 404 title */
.chat-launcher{width:3.65rem;height:3.65rem;min-height:0;display:grid;place-items:center;border-radius:50%;padding:0;font-size:1rem}
.chat-launcher:hover{background:var(--forest-deep);transform:translateY(-2px)}
.chat-launcher .chat-icon{position:relative;width:1.55rem;height:1.18rem;display:block;border:2px solid currentColor;border-radius:.65rem}
.chat-launcher .chat-icon::before{content:"";position:absolute;left:.18rem;bottom:-.38rem;width:.48rem;height:.48rem;border-left:2px solid currentColor;transform:skewY(-38deg);background:var(--forest)}
.chat-launcher:hover .chat-icon::before{background:var(--forest-deep)}
.chat-launcher .chat-icon::after{content:"···";position:absolute;inset:-.48rem 0 0;font-size:1rem;font-weight:900;letter-spacing:.03em;text-align:center}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.not-found-page .subhero .container{max-width:1100px}
.not-found-page h1{font-size:clamp(2.5rem,6vw,5rem);white-space:nowrap}
@media(max-width:680px){.not-found-page h1{white-space:normal}}

/* help icon variant */
.chat-launcher .chat-icon{width:1.65rem;height:1.65rem;display:grid;place-items:center;border:2px solid currentColor;border-radius:50%}
.chat-launcher .chat-icon::before{display:none}
.chat-launcher .chat-icon::after{content:"?";position:static;inset:auto;font:800 1.05rem/1 var(--sans);letter-spacing:0;text-align:center}

/* card pill title spacing */
.card > .pill + h3{margin-top:1rem}

/* enhanced FAQ accordion */
.faq{display:grid;gap:.8rem}
.faq details,.faq details:last-child{padding:0;border:1px solid var(--stone-100);border-radius:var(--radius-md);overflow:hidden;background:var(--white);box-shadow:0 8px 24px rgba(31,47,38,.06);transition:border-color .2s ease,box-shadow .2s ease}
.faq details[open]{border-color:rgba(182,146,84,.5);box-shadow:var(--shadow-sm)}
.faq summary{display:grid;grid-template-columns:minmax(0,1fr) 2.25rem;align-items:center;gap:1rem;padding:1.15rem 1.25rem;list-style:none;color:var(--charcoal);font-family:var(--serif);font-size:1.15rem;font-weight:600;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";width:2.1rem;height:2.1rem;display:grid;place-items:center;border:1px solid var(--stone-300);border-radius:50%;color:var(--forest);font:700 1.25rem/1 var(--sans);transition:background .2s ease,color .2s ease,transform .2s ease}
.faq details[open] summary{color:var(--forest-deep)}
.faq details[open] summary::after{content:"−";background:var(--forest);border-color:var(--forest);color:var(--white);transform:rotate(180deg)}
.faq details p{margin:0;padding:0 4.6rem 1.25rem 1.25rem;color:var(--stone-600);line-height:1.75}
@media(max-width:680px){.faq{gap:.65rem}.faq summary{grid-template-columns:minmax(0,1fr) 2rem;gap:.7rem;padding:1rem;font-size:1.08rem}.faq summary::after{width:1.9rem;height:1.9rem}.faq details p{padding:0 1rem 1rem}}

/* double conversation icon variant */
.chat-launcher .chat-icon{position:relative;width:1.42rem;height:1.02rem;display:block;border:2px solid var(--white);border-radius:.48rem;transform:translate(-.12rem,-.1rem)}
.chat-launcher .chat-icon::before{content:"";position:absolute;display:block;left:.15rem;bottom:-.32rem;width:.4rem;height:.4rem;border:0;border-left:2px solid var(--white);border-bottom:2px solid var(--white);border-radius:0;background:var(--forest);transform:skewY(-36deg)}
.chat-launcher .chat-icon::after{content:"";position:absolute;right:-.48rem;bottom:-.42rem;width:.86rem;height:.62rem;border:2px solid var(--gold-soft);border-radius:.34rem;background:var(--forest);inset:auto -.48rem -.42rem auto;font:inherit;letter-spacing:0}
.chat-launcher:hover .chat-icon::before,.chat-launcher:hover .chat-icon::after{background:var(--forest-deep)}

/* solid speech bubble icon variant */
.chat-launcher .chat-icon{position:relative;width:1.7rem;height:1.28rem;display:block;border:0;border-radius:.55rem;background:var(--white);transform:none}
.chat-launcher .chat-icon::before{content:"";position:absolute;display:block;left:.2rem;bottom:-.34rem;width:0;height:0;border:0;border-top:.52rem solid var(--white);border-right:.52rem solid transparent;background:transparent;transform:none}
.chat-launcher .chat-icon::after{content:"";position:absolute;left:.36rem;top:.53rem;width:.22rem;height:.22rem;border:0;border-radius:50%;background:var(--forest);box-shadow:.39rem 0 var(--forest),.78rem 0 var(--forest);inset:.53rem auto auto .36rem}
.chat-launcher:hover .chat-icon{background:var(--white)}
.chat-launcher:hover .chat-icon::before{background:transparent;border-top-color:var(--white)}
.chat-launcher:hover .chat-icon::after{background:var(--forest-deep);box-shadow:.39rem 0 var(--forest-deep),.78rem 0 var(--forest-deep)}

/* Chinese dark-panel eyebrow contrast */
.zh-page .section.dark .eyebrow,
.zh-page .cta-panel .eyebrow {
  color: var(--gold-soft);
}

/* centered FAQ control + smooth content reveal */
.faq summary::after {
  content: "";
  background:
    linear-gradient(var(--forest), var(--forest)) center / .7rem 2px no-repeat,
    linear-gradient(var(--forest), var(--forest)) center / 2px .7rem no-repeat,
    var(--white);
  transform: none;
  transition: background-color .22s ease, border-color .22s ease, transform .22s ease;
}
.faq details[open] summary::after {
  content: "";
  background:
    linear-gradient(var(--white), var(--white)) center / .7rem 2px no-repeat,
    linear-gradient(var(--white), var(--white)) center / 2px 0 no-repeat,
    var(--forest);
  transform: rotate(180deg);
}
@supports (interpolate-size: allow-keywords) {
  .faq details {
    interpolate-size: allow-keywords;
  }
  .faq details::details-content {
    block-size: 0;
    opacity: 0;
    overflow: clip;
    transition:
      content-visibility .28s allow-discrete,
      block-size .28s ease,
      opacity .2s ease;
  }
  .faq details[open]::details-content {
    block-size: auto;
    opacity: 1;
  }
}

/* readable copy on dark sections */
.section.dark .lead {
  color: #dfe6e1;
}