:root{--ink:#102f35;--ink-2:#173e44;--orange:#ff9900;--cream:#f6f1e8;--text:#173238;--muted:#657276;--line:#d7dcda;--max:1280px;--page-pad:128px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font:16px/1.65 Arial,"Microsoft YaHei",sans-serif}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:#fff}.header-shell{width:min(calc(100% - 64px),1500px);min-height:82px;margin:auto;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:34px}.brand{text-decoration:none;font-size:23px;font-weight:900;line-height:1;white-space:nowrap}.brand-name:after{content:'↗';color:var(--orange);margin-left:4px}.brand small{display:block;margin-top:6px;font-size:9px;letter-spacing:.2em;color:var(--ink)}
.main-navigation{display:flex;align-items:center;justify-content:center;gap:25px;min-width:0}.main-navigation details{position:static}.main-navigation summary,.main-navigation>.about-link{display:flex;align-items:center;min-height:82px;font-size:16px;font-weight:700;text-decoration:none;white-space:nowrap;cursor:pointer;list-style:none}.main-navigation summary::-webkit-details-marker{display:none}.main-navigation summary:after{content:'⌄';margin-left:6px;font-size:12px}.main-navigation details[open] summary,.main-navigation a.active{color:#a94d00}
.mega{position:absolute;top:82px;right:32px;left:32px;display:none;max-width:1280px;margin:auto;padding:34px 42px;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;background:#fff;box-shadow:0 22px 50px #102f3517}.main-navigation details[open] .mega{display:grid;grid-template-columns:220px repeat(3,minmax(0,1fr));gap:12px 34px}.mega h3{grid-row:1/span 6;margin:0;padding-right:28px;border-right:1px solid var(--line);font:700 30px/1.2 Georgia,"Times New Roman",serif;color:var(--ink)}.mega a{display:block;padding:8px 0;text-decoration:none;font-size:15px}.mega a:hover{color:#a94d00}
.header-actions{display:flex;align-items:center;gap:10px}.language-control select{height:42px;max-width:125px;padding:0 30px 0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit;font-size:13px}.header-contact{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;background:var(--orange);color:#17282c;text-decoration:none;font-weight:800;white-space:nowrap}.mobile-contact-icon{display:none;width:20px;height:20px}.menu-toggle{display:none;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:8px;background:#fff}.menu-toggle span{display:block;height:2px;margin:4px 0;background:#111}
.hero{width:min(calc(100% - var(--page-pad)*2),var(--max));margin:48px auto 90px;padding:82px 54px;border-radius:24px;background:var(--ink);color:#fff;text-align:center}.hero h1{font:700 clamp(46px,6vw,74px)/1.05 Georgia,"Times New Roman",serif}.hero h1 span{color:var(--orange)}.directory,.page{width:min(calc(100% - var(--page-pad)*2),var(--max));margin:78px auto}.directory{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.directory>h2{grid-column:1/-1;font-size:44px}.directory article,.sections article{padding:27px;border:1px solid var(--line);border-radius:14px}.directory article a{display:block;padding:6px 0}.directory h3 a{font-size:22px;color:#a94d00}.page h1{font:700 clamp(42px,5vw,64px)/1.08 Georgia,"Times New Roman",serif;color:var(--ink)}.lead{max-width:760px;font-size:19px;color:var(--muted)}.sections{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}.sections article{background:var(--cream)}.sections b{color:#a94d00}form{max-width:760px;display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:grid;gap:7px;font-weight:700}input,select,textarea{width:100%;padding:13px;border:1px solid #9fa9a7;border-radius:8px;font:inherit}textarea,label:last-of-type{grid-column:1/-1}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:0;border-radius:8px;background:var(--orange);color:#17282c;text-decoration:none;font-weight:800}footer{margin-top:90px;padding:56px max(32px,calc((100vw - var(--max))/2));display:flex;justify-content:space-between;gap:40px;background:var(--ink);color:#fff}footer a{margin-left:18px;color:#d7e1df}
@media(max-width:1250px){:root{--page-pad:64px}.header-shell{width:min(calc(100% - 40px),1500px);gap:20px}.main-navigation{gap:15px}.main-navigation summary,.main-navigation>.about-link{font-size:14px}.desktop-contact-label{font-size:13px}}
@media(max-width:980px){:root{--page-pad:32px}.header-shell{min-height:70px;grid-template-columns:auto minmax(0,1fr) auto}.main-navigation{position:absolute;top:70px;right:0;left:0;display:none;max-height:calc(100vh - 70px);padding:14px 22px 28px;overflow:auto;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 35px #102f3517;align-items:stretch;flex-direction:column;gap:0}.site-header.menu-open .main-navigation{display:flex}.main-navigation details{width:100%}.main-navigation summary,.main-navigation>.about-link{min-height:auto;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}.mega{position:static;display:none!important;padding:8px 0 14px;border:0;border-radius:0;box-shadow:none}.main-navigation details[open] .mega{display:block!important}.mega h3{display:none}.mega a{padding:9px 14px;color:var(--muted)}.menu-toggle{display:block}.desktop-contact-label{display:none}.header-contact{width:42px;min-width:42px;height:42px;min-height:42px;padding:0}.mobile-contact-icon{display:block}.language-control select{max-width:112px}.directory{grid-template-columns:1fr 1fr}}
@media(max-width:680px){:root{--page-pad:20px}.header-shell{width:calc(100% - 28px);gap:7px}.brand{font-size:18px}.brand small{font-size:7px}.header-actions{gap:6px}.language-control select{max-width:98px;height:40px;padding-left:7px;font-size:11px}.header-contact,.menu-toggle{width:40px;min-width:40px;height:40px}.hero{margin-top:20px;padding:56px 22px}.hero h1{font-size:42px}.directory,.sections,form{grid-template-columns:1fr}.directory>h2{font-size:34px}.page{margin-top:52px}textarea,label:last-of-type{grid-column:auto}footer{flex-direction:column}footer a{display:block;margin:8px 0}}


/* Step 5: footer and fixed contact system */
.site-footer{margin-top:100px;padding:0;background:var(--ink);color:#fff}.footer-shell{width:min(calc(100% - 64px),var(--max));margin:auto}.footer-cta{display:flex;align-items:center;justify-content:space-between;gap:48px;padding:54px 0;border-bottom:1px solid #ffffff30}.footer-cta>div{max-width:760px}.footer-eyebrow{margin:0 0 10px;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.16em}.footer-cta h2{margin:0;font:700 clamp(30px,4vw,48px)/1.1 Georgia,"Times New Roman",serif}.footer-cta p:not(.footer-eyebrow){margin:14px 0 0;color:#d7e1df}.footer-cta-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-width:180px;padding:15px 20px;border-radius:8px;background:var(--orange);color:#17282c;text-decoration:none;font-weight:900;white-space:nowrap}.footer-cta-button span{font-size:24px}.footer-main{display:grid;grid-template-columns:1.55fr repeat(4,1fr);gap:46px;padding:62px 0 48px}.footer-brand{padding-right:30px}.footer-logo{display:inline-flex;flex-direction:column;text-decoration:none}.footer-logo strong{font-size:27px;line-height:1}.footer-logo small{margin-top:8px;font-size:9px;letter-spacing:.22em}.footer-brand>p{max-width:330px;margin:24px 0;color:#c9d5d3}.footer-brand address{display:grid;gap:5px;font-style:normal}.footer-brand address a{color:#fff;text-decoration:none}.footer-column{display:flex;flex-direction:column;align-items:flex-start}.footer-column h3{margin:0 0 18px;color:#fff;font-size:15px}.footer-column a{margin:0;padding:6px 0;color:#c9d5d3;text-decoration:none;font-size:14px}.footer-column a:hover,.footer-brand a:hover{color:var(--orange)}.footer-notice{padding:25px 0;border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24}.footer-notice p{max-width:980px;margin:0;color:#b8c7c4;font-size:13px}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:27px 0 36px;color:#9fb1ae;font-size:12px}.footer-bottom p{margin:0}.footer-bottom nav{display:flex;flex-wrap:wrap;gap:22px}.footer-bottom a{margin:0;color:#c9d5d3;text-decoration:none}
.floating-contact{position:fixed;right:18px;top:50%;z-index:45;display:grid;transform:translateY(-50%);overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 14px 38px #102f3526}.floating-contact a,.floating-contact button{display:flex;width:64px;min-height:62px;padding:8px 4px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:0;border-bottom:1px solid var(--line);background:#fff;color:#111;text-decoration:none;cursor:pointer}.floating-contact>*:last-child{border-bottom:0}.floating-contact img{width:22px;height:22px}.floating-contact small{max-width:58px;overflow:hidden;font-size:9px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.floating-contact a:hover,.floating-contact button:hover{background:#fff4df}.contact-qr-modal[hidden]{display:none}.contact-qr-modal{position:fixed;inset:0;z-index:100;display:grid;padding:24px;place-items:center;background:#102f35cc;backdrop-filter:blur(5px)}.contact-qr-card{position:relative;width:min(100%,390px);padding:38px;border-radius:18px;background:#fff;color:var(--text);text-align:center;box-shadow:0 30px 80px #0005}.contact-qr-card h2{margin:4px 0 20px;font:700 36px/1 Georgia,"Times New Roman",serif;color:var(--ink)}.contact-qr-card>img{display:block;width:min(100%,260px);aspect-ratio:1;margin:auto;object-fit:contain;border:1px solid var(--line);border-radius:10px}.contact-qr-card p{margin:17px 0 5px}.contact-qr-card strong{font-size:19px}.modal-kicker{color:#a94d00;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.modal-close{position:absolute;top:12px;right:12px;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:25px;cursor:pointer}.copy-toast{position:fixed;right:28px;bottom:28px;z-index:110;max-width:min(420px,calc(100vw - 40px));padding:13px 18px;border-radius:8px;background:#111;color:#fff;box-shadow:0 12px 35px #0004;opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s}.copy-toast.show{opacity:1;transform:none}.modal-open{overflow:hidden}
@media(max-width:1050px){.footer-main{grid-template-columns:1.4fr repeat(2,1fr)}.footer-brand{grid-row:span 2}.footer-column{padding-bottom:18px}}
@media(max-width:680px){body{padding-bottom:66px}.site-footer{margin-top:72px}.footer-shell{width:calc(100% - 40px)}.footer-cta{align-items:flex-start;padding:42px 0;flex-direction:column;gap:24px}.footer-cta-button{width:100%}.footer-main{grid-template-columns:1fr 1fr;gap:34px 24px;padding:45px 0 32px}.footer-brand{grid-column:1/-1;grid-row:auto;padding-right:0}.footer-bottom{align-items:flex-start;flex-direction:column}.footer-bottom nav{gap:16px}.floating-contact{top:auto;right:0;bottom:0;left:0;z-index:70;display:grid;grid-template-columns:repeat(4,1fr);transform:none;border-width:1px 0 0;border-radius:0}.floating-contact a,.floating-contact button{width:auto;min-height:64px;border-right:1px solid var(--line);border-bottom:0}.floating-contact>*:last-child{border-right:0}.floating-contact small{max-width:none}.copy-toast{right:20px;bottom:82px}.contact-qr-card{padding:32px 24px}}

/* Enlarged fixed contact controls: desktop and mobile */
.floating-contact a,
.floating-contact button {
  width: 112px;
  min-height: 104px;
  padding: 14px 8px;
  gap: 8px;
}
.floating-contact img,
.floating-contact .shortcut-icon {
  width: 42px;
  height: 42px;
}
.floating-contact small {
  max-width: 100px;
  font-size: 13px;
}
@media (max-width: 680px) {
  body { padding-bottom: 104px; }
  .floating-contact a,
  .floating-contact button {
    width: auto;
    min-height: 102px;
    padding: 12px 6px;
  }
  .floating-contact img,
  .floating-contact .shortcut-icon {
    width: 40px;
    height: 40px;
  }
  .floating-contact small { font-size: 13px; }
  .copy-toast { bottom: 120px; }
}

/* Compact contact dock with a collapsed desktop launcher */
.floating-contact{right:18px;top:50%;display:block;overflow:visible;border:0;border-radius:0;background:transparent;box-shadow:none}
.floating-contact .contact-toggle{display:grid;width:72px;min-height:72px;padding:13px;place-items:center;border:1px solid var(--line);border-radius:50%;background:#fff;box-shadow:0 12px 30px #102f3530}
.floating-contact .contact-toggle svg{width:42px;height:42px;fill:none;stroke:#111;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.floating-contact .contact-options{position:absolute;top:50%;right:calc(100% + 10px);display:grid;overflow:hidden;transform:translateY(-50%);border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 14px 38px #102f3526}
.floating-contact .contact-options[hidden]{display:none}
.floating-contact .contact-options a,.floating-contact .contact-options button{width:76px;min-height:72px;padding:8px 4px;gap:4px;border-bottom:1px solid var(--line)}
.floating-contact .contact-options>*:last-child{border-bottom:0}
.floating-contact .contact-options img{width:42px;height:42px}
.floating-contact .contact-options small{max-width:70px;font-size:10px}
@media(max-width:680px){body{padding-bottom:74px}.floating-contact{top:auto;right:0;bottom:0;left:0;transform:none}.floating-contact .contact-toggle{display:none}.floating-contact .contact-options,.floating-contact .contact-options[hidden]{position:static;display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;transform:none;border-width:1px 0 0;border-radius:0;box-shadow:none}.floating-contact .contact-options a,.floating-contact .contact-options button{width:auto;min-height:72px;padding:7px 4px;border-right:1px solid var(--line);border-bottom:0}.floating-contact .contact-options>*:last-child{border-right:0}.floating-contact .contact-options img{width:40px;height:40px}.floating-contact .contact-options small{font-size:10px}.copy-toast{bottom:90px}}


/* Shared mobile header: actions stay at the right; only the opened navigation scrolls. */
@media (max-width: 980px) {
  .site-header .header-shell { grid-template-columns: minmax(0, 1fr) auto; }
  .site-header .header-actions { justify-self: end; justify-content: flex-end; margin-left: auto; }
  .site-header.menu-open { position: fixed; top: 0; right: 0; left: 0; width: 100%; }
  .site-header.menu-open .main-navigation {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    left: 0;
    height: calc(100dvh - 70px);
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  html.mobile-nav-open { overflow: hidden; }
  body.mobile-nav-open {
    position: fixed;
    top: var(--menu-scroll-offset, 0px);
    right: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
  }
}