*{box-sizing:border-box}
:root{
    --mist:#F4FAFC;
    --white:#FFFFFF;
    --soft:#E7F3F6;
    --title:#0E3A46;
    --text:#24505A;
    --muted:#4A7380;
    --light:#7A9AA4;
    --sea:#1A7F8F;
    --bright:#2BB3C4;
    --deep:#0F5B68;
    --pale:#D7EEF2;
    --border:rgba(26,127,143,.16);
    --shadow:0 14px 34px rgba(14,58,70,.08);
    --radius:18px;
    --max:1200px;
}
html{scroll-behavior:smooth;background:var(--mist);overflow-x:hidden}
html.is-locked,body.is-locked{overflow:hidden}
body{
    margin:0;
    color:var(--text);
    background:var(--mist);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    padding-top:106px;
    overflow-x:hidden;
    text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
.site-header{position:fixed;left:0;right:0;top:0;z-index:50}
.harbor-bar{height:58px;background:var(--pale);border-bottom:1px solid var(--border)}
.harbor-inner{height:100%;max-width:var(--max);margin:auto;padding:0 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.round-control{
    width:44px;height:44px;border-radius:50%;border:1px solid rgba(15,91,104,.16);background:rgba(255,255,255,.76);
    color:var(--deep);display:inline-flex;align-items:center;justify-content:center;font-size:24px;line-height:1;
    transition:.2s ease;
}
.round-control:hover,.round-control:focus-visible{background:var(--white);box-shadow:0 6px 18px rgba(14,58,70,.10);outline:2px solid rgba(43,179,196,.35);outline-offset:2px}
.menu-toggle{justify-self:start}
.brand-lockup{justify-self:center;min-width:0;display:flex;align-items:center;justify-content:center}
.brand-logo{max-height:34px;width:auto;max-width:210px;object-fit:contain}
.brand-text{font-weight:800;letter-spacing:.08em;color:var(--title);font-size:20px}
.harbor-actions{justify-self:end;display:flex;align-items:center;gap:10px}
.app-link{
    min-height:44px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
    color:#fff;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);font-weight:700;
    box-shadow:0 8px 18px rgba(26,127,143,.16)
}
.app-link:hover,.app-link:focus-visible,.primary-link:hover,.primary-link:focus-visible{filter:brightness(.98);transform:translateY(-1px);outline:2px solid rgba(43,179,196,.35);outline-offset:2px}
.dock-nav{height:48px;background:#fff;border-bottom:1px solid var(--border)}
.dock-inner{height:100%;max-width:860px;margin:auto;display:grid;grid-template-columns:repeat(6,1fr);align-items:stretch}
.dock-inner a{position:relative;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:15px}
.dock-inner a:hover,.dock-inner a:focus-visible{color:var(--deep);outline:none;background:rgba(215,238,242,.32)}
.dock-inner a.is-current{color:var(--title);font-weight:700}
.dock-inner a.is-current:after{content:"";position:absolute;left:26%;right:26%;bottom:0;height:3px;border-radius:3px;background:var(--sea)}
.site-main{min-height:55vh}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.page-hero{padding:54px 0 28px}
.eyebrow{margin:0 0 8px;color:var(--sea);font-weight:800;letter-spacing:.08em;font-size:14px}
h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}
h1{font-size:clamp(28px,3vw,32px);margin-bottom:18px;letter-spacing:-.02em}
h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px}
h3{font-size:19px;margin-bottom:10px}
.lead{max-width:760px;margin:0;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.primary-link,.secondary-link{
    min-height:44px;padding:10px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:.2s ease
}
.primary-link{color:#fff;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);box-shadow:0 8px 20px rgba(26,127,143,.16)}
.secondary-link{background:#fff;color:var(--deep);border:1px solid var(--border)}
.secondary-link:hover,.secondary-link:focus-visible{background:var(--soft);outline:2px solid rgba(43,179,196,.28);outline-offset:2px}
.section{padding:44px 0}
.section-soft{background:var(--soft)}
.section-white{background:#fff}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-heading p{margin:0;max-width:640px;color:var(--muted)}
.image-slot{
    width:100%;aspect-ratio:16/7;border-radius:var(--radius);overflow:hidden;background:
    radial-gradient(circle at 20% 30%,rgba(43,179,196,.18),transparent 25%),
    linear-gradient(145deg,#E7F3F6,#D7EEF2);
    border:1px solid rgba(26,127,143,.12)
}
.image-slot img{width:100%;height:100%;object-fit:cover}
.hero-image-slot{max-height:340px;aspect-ratio:16/6;margin-top:28px}
.app-image-slot{aspect-ratio:16/10}
.card-image-slot{aspect-ratio:16/10;margin-bottom:16px;border-radius:16px}
.square-image-slot{aspect-ratio:1/1}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)
}
.card p:last-child{margin-bottom:0}
.card p{color:var(--muted)}
.card-link{display:block;transition:.2s ease}
.card-link:hover,.card-link:focus-visible{transform:translateY(-2px);border-color:rgba(26,127,143,.26);outline:2px solid rgba(43,179,196,.22);outline-offset:2px}
.tag{display:inline-flex;align-items:center;min-height:30px;padding:4px 11px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:13px;font-weight:800}
.meta-line{color:var(--light);font-size:14px;margin:0 0 10px}
.feature-list{display:grid;gap:14px}
.feature-item{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:18px 0;border-top:1px solid var(--border)}
.feature-item:first-child{border-top:0}
.feature-index{width:42px;height:42px;border-radius:13px;background:var(--pale);display:flex;align-items:center;justify-content:center;color:var(--deep);font-weight:800}
.feature-item h3{margin:1px 0 5px}
.feature-item p{margin:0;color:var(--muted)}
.prose{max-width:820px}
.prose p{margin:0 0 1.15em}
.prose h2{margin-top:38px}
.prose h3{margin-top:28px}
.note-box{padding:20px 22px;border-radius:16px;background:var(--pale);color:var(--deep);border:1px solid rgba(26,127,143,.12)}
.note-box strong{color:var(--title)}
.index-row{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--border)}
.index-row:first-child{border-top:0}
.index-row .index-label{color:var(--sea);font-weight:800}
.index-row p{margin:0;color:var(--muted)}
.window-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.window-grid .card:nth-child(1){grid-column:span 7}
.window-grid .card:nth-child(2){grid-column:span 5}
.window-grid .card:nth-child(3){grid-column:span 5}
.window-grid .card:nth-child(4){grid-column:span 7}
.steps{counter-reset:step;display:grid;gap:18px}
.step{position:relative;padding:22px 22px 22px 76px;background:#fff;border:1px solid var(--border);border-radius:18px}
.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:20px;top:20px;width:42px;height:42px;border-radius:13px;background:var(--pale);display:flex;align-items:center;justify-content:center;color:var(--deep);font-weight:800}
.faq-list{display:grid;gap:16px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px}
.faq-item h2{font-size:18px;margin-bottom:10px}
.faq-item p{margin:0;color:var(--muted)}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.gallery-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px}
.gallery-item .image-slot{aspect-ratio:16/9;border-radius:14px}
.gallery-item h3{margin:14px 6px 6px}
.gallery-item p{margin:0 6px 8px;color:var(--muted)}
.app-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.78fr);gap:32px;align-items:center}
.icon-wrap{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.icon-wrap .image-slot{width:64px;min-width:64px;aspect-ratio:1/1;border-radius:16px}
.icon-wrap h2{margin:0}
.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.inline-links a{min-height:40px;padding:8px 14px;border-radius:999px;background:#fff;color:var(--deep);border:1px solid var(--border)}
.inline-links a:hover,.inline-links a:focus-visible{background:var(--pale);outline:2px solid rgba(43,179,196,.2);outline-offset:2px}
.site-footer{background:var(--title);color:#D4E8EC;padding:44px 0 32px}
.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:30px}
.footer-logo{max-height:34px;max-width:180px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}
.footer-brand-name{font-size:20px;font-weight:800;color:#fff}
.footer-brand strong{display:block;color:#fff;font-size:18px}
.footer-brand span{display:block;color:#9EC1C8;font-size:12px;letter-spacing:.14em}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;padding:26px 0;border-top:1px solid rgba(212,232,236,.13);border-bottom:1px solid rgba(212,232,236,.13)}
.footer-grid h2{color:#fff;font-size:15px;margin-bottom:12px}
.footer-grid a{display:block;padding:6px 0;color:#D4E8EC;font-size:14px}
.footer-grid a:hover,.footer-grid a:focus-visible{color:#fff;text-decoration:underline;outline:none}
.footer-note{max-width:800px;margin:22px 0 8px;color:#A9CDD3;font-size:14px}
.copyright{margin:0;color:#86B0B7;font-size:13px}
.site-overlay{
    position:fixed;inset:0;background:rgba(7,38,45,.46);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease
}
.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.modal-layer{
    position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;visibility:hidden;opacity:0;pointer-events:none;transition:.2s ease
}
.modal-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}
.modal-card{
    width:min(92vw,760px);max-height:min(82vh,760px);overflow:auto;background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:0 24px 70px rgba(7,38,45,.24)
}
.modal-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border)}
.modal-head strong{display:block;color:var(--title);font-size:18px}
.modal-head span{display:block;color:var(--muted);font-size:13px}
.directory-brand{display:flex;align-items:center;gap:12px}
.directory-logo{height:30px;width:auto;max-width:150px;object-fit:contain}
.directory-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:20px}
.directory-groups section{background:var(--mist);border:1px solid var(--border);border-radius:16px;padding:16px}
.directory-groups h2{font-size:15px;color:var(--sea);margin:0 0 8px}
.directory-groups a{display:block;padding:11px 8px;border-radius:12px}
.directory-groups a:hover,.directory-groups a:focus-visible{background:#fff;outline:1px solid var(--border)}
.directory-groups strong{display:block;color:var(--title);font-size:15px}
.directory-groups span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}
.search-card{width:min(92vw,640px)}
.search-box{padding:22px 20px 8px}
.search-box label{display:block;color:var(--title);font-weight:700;margin-bottom:10px}
.search-input-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-input-row input{min-width:0;height:48px;border:1px solid var(--border);border-radius:999px;padding:0 18px;color:var(--title);background:var(--mist);outline:none}
.search-input-row input:focus{border-color:var(--bright);box-shadow:0 0 0 3px rgba(43,179,196,.12)}
.search-input-row button{height:48px;padding:0 18px;border:0;border-radius:999px;color:#fff;background:var(--deep);font-weight:700}
.search-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:12px 20px 10px}
.search-presets a{min-height:46px;display:flex;align-items:center;padding:10px 14px;border-radius:14px;background:var(--soft);color:var(--deep);font-weight:700}
.search-presets a:hover,.search-presets a:focus-visible{background:var(--pale);outline:2px solid rgba(43,179,196,.18);outline-offset:1px}
.search-presets a[hidden]{display:none}
.search-tip{padding:0 20px 22px;margin:0;color:var(--muted);font-size:13px}
.mobile-bottom-nav{display:none}
.callout-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.callout{padding:20px;border-radius:18px;background:var(--pale);color:var(--deep)}
.callout h3{margin-bottom:8px}
.callout p{margin:0;color:var(--deep)}
.longform{background:#fff;border:1px solid var(--border);border-radius:20px;padding:clamp(22px,4vw,42px);box-shadow:var(--shadow)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--light);font-size:13px;margin-bottom:16px}
.breadcrumb a{color:var(--sea)}
.list-clean{padding:0;margin:0;list-style:none}
.list-clean li{padding:14px 0;border-top:1px solid var(--border)}
.list-clean li:first-child{border-top:0}
.two-column-copy{columns:2;column-gap:42px}
.two-column-copy p{break-inside:avoid;margin-top:0}
@media (max-width:900px){
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .app-feature{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .window-grid .card{grid-column:span 6!important}
    .callout-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
    body{padding-top:58px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}
    .harbor-inner{padding:0 16px;grid-template-columns:52px minmax(0,1fr) auto}
    .dock-nav{display:none}
    .desktop-search-control{display:none}
    .harbor-actions{gap:0}
    .app-link{padding:0 14px;font-size:14px}
    .brand-logo{max-height:30px;max-width:150px}
    .brand-text{font-size:18px}
    .container,.footer-inner{width:min(calc(100% - 32px),var(--max))}
    .page-hero{padding:38px 0 22px}
    .section{padding:34px 0}
    .section-heading{display:block}
    .section-heading p{margin-top:8px}
    .grid-2,.grid-3,.grid-4,.gallery-grid{grid-template-columns:1fr}
    .window-grid{grid-template-columns:1fr}
    .window-grid .card{grid-column:auto!important}
    .index-row{grid-template-columns:1fr;gap:7px}
    .feature-item{grid-template-columns:44px 1fr}
    .two-column-copy{columns:1}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .site-footer{padding-bottom:30px}
    .mobile-bottom-nav{
        position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
        display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(14,58,70,.06)
    }
    .mobile-bottom-nav a{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:var(--muted);font-size:11px}
    .mobile-bottom-nav a span{font-size:17px;line-height:1}
    .mobile-bottom-nav a.is-current{color:var(--sea);font-weight:800}
    .directory-groups{grid-template-columns:1fr;padding:14px}
    .modal-layer{padding:12px}
    .modal-card{width:92vw;max-height:86vh;border-radius:20px}
    .search-card{width:calc(100vw - 24px)}
    .search-input-row{grid-template-columns:1fr}
    .search-input-row button{width:100%}
    .search-presets{grid-template-columns:1fr}
}
@media (max-width:380px){
    .app-link{padding:0 11px;font-size:13px}
    .harbor-inner{grid-template-columns:48px minmax(0,1fr) auto;gap:6px}
    .brand-logo{max-width:125px}
    .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
    *{scroll-behavior:auto!important;transition:none!important}
}

.mt-20{margin-top:20px}