:root {
    --jah-ink: #13374b;
    --jah-muted: #536d7a;
    --jah-blue: #056da0;
    --jah-aqua: #eaf7fa;
    --jah-line: #dbe7eb;
    --jah-green: #207661;
    --jah-serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
}
.jah-public {
    margin: 0;
    color: var(--jah-ink);
    background: #fff;
    font: 16px/1.65 Arial, "Microsoft YaHei", sans-serif;
}
.jah-public a { color: inherit; text-decoration: none; }
.jah-public a:hover { text-decoration: underline; }
.jah-btn:hover { text-decoration: none !important; }
.jah-skip {
    position: absolute;
    left: -9999px;
}
.jah-skip:focus {
    left: 10px;
    top: 10px;
    background: #fff;
    z-index: 20;
    padding: 10px;
}
.jah-wrap {
    max-width: 1220px;
    padding: 0 38px;
    margin: auto;
}
.jah-topline {
    background: #edf7fa;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--jah-ink);
}
.jah-topline .jah-wrap {
    display: flex;
    justify-content: space-between;
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 12px;
}
.jah-nav {
    border-bottom: 1px solid var(--jah-line);
    background: #fff;
}
.jah-nav-inner {
    min-height: 88px;
    display: flex;
    gap: 28px;
    align-items: center;
}
.jah-brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-right: auto;
    text-decoration: none !important;
    color: var(--jah-ink);
}
.jah-monogram {
    font: 34px var(--jah-serif);
    border-right: 1px solid #bad2dc;
    padding-right: 16px;
    color: #096c91;
}
.jah-brand-name {
    font: 18px/1.25 var(--jah-serif);
    max-width: 240px;
}
.jah-links {
    display: flex;
    gap: 22px;
    align-items: center;
    font-size: 13px;
}
.jah-links a {
    text-decoration: none;
    white-space: nowrap;
}
.jah-links a:hover { text-decoration: underline; }
.jah-lang {
    background: none;
    border: 1px solid var(--jah-line);
    border-radius: 5px;
    padding: 7px 10px;
    font-size: 12px;
    color: var(--jah-ink);
    text-decoration: none !important;
}
.jah-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--jah-blue);
    border-radius: 5px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    background: var(--jah-blue);
    color: #fff !important;
    text-decoration: none !important;
}
.jah-btn:hover { background: #055780; }
.jah-btn-secondary {
    background: #fff;
    color: var(--jah-ink) !important;
    border-color: #b5ccd5;
}
.jah-btn-secondary:hover { background: #f0f8fa; }
.jah-nav .jah-btn { padding: 9px 15px; font-size: 12px; }
.jah-account { position: relative; }
.jah-account summary {
    list-style: none;
    cursor: pointer;
    font-size: 13px;
}
.jah-account summary::-webkit-details-marker { display: none; }
.jah-account-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 11rem;
    background: #fff;
    border: 1px solid var(--jah-line);
    border-radius: 6px;
    padding: 0.55rem 0.75rem;
    z-index: 20;
    box-shadow: 0 8px 20px rgba(19, 55, 75, 0.08);
}
.jah-account-panel a,
.jah-account-panel button {
    display: block;
    width: 100%;
    background: none;
    border: 0;
    padding: 0.35rem 0;
    text-align: left;
    font: inherit;
    font-size: 13px;
    color: var(--jah-ink);
    cursor: pointer;
}
.jah-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(110deg, #f1f9fb 0%, #f8fcfd 46%, #dff1f7 100%);
}
.jah-hero-grid {
    display: grid;
    grid-template-columns: 48% 52%;
    min-height: 495px;
    align-items: center;
}
.jah-hero-copy {
    position: relative;
    z-index: 2;
    padding: 58px 25px 60px 0;
}
.jah-eyebrow {
    font-size: 11px;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--jah-blue);
    font-weight: 700;
    margin: 0 0 18px;
}
.jah-hero h1 {
    font: clamp(36px, 3.8vw, 55px)/1.09 var(--jah-serif);
    letter-spacing: -0.025em;
    margin: 0 0 23px;
    max-width: 580px;
}
.jah-hero h1 em {
    font-style: normal;
    color: #087c99;
}
.jah-hero-line {
    display: block;
    white-space: nowrap;
}
.jah-hero-copy > p:not(.jah-eyebrow) {
    font-size: 16px;
    line-height: 1.75;
    max-width: 465px;
    color: var(--jah-muted);
    margin: 0 0 28px;
}
.jah-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.jah-hero-art {
    align-self: stretch;
    position: relative;
    min-width: 0;
    min-height: 495px;
}
.jah-hero-art:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #f5fbfc 0%, transparent 18%);
    pointer-events: none;
}
.jah-slide {
    position: absolute;
    inset: 0 -160px 0 -25px;
    opacity: 0;
    transition: opacity 0.6s;
}
.jah-slide.is-active { opacity: 1; }
.jah-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 58% center;
}
.jah-hero-bottom {
    position: absolute;
    z-index: 3;
    bottom: 28px;
    left: 28px;
    right: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}
.jah-slide-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: #fffffff0;
    padding: 9px 12px;
    border-radius: 3px;
    color: #1a5673;
}
.jah-dots { display: flex; align-items: center; gap: 6px; }
.jah-dot,
.jah-carousel-toggle {
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
    border: 1px solid #4794af;
    background: #ffffffc9;
    width: 29px;
    height: 29px;
    min-width: 29px;
    min-height: 29px;
    border-radius: 50%;
    font-size: 10px;
    padding: 0;
    margin: 0;
    color: var(--jah-ink);
    cursor: pointer;
    line-height: 0;
}
.jah-dot[aria-pressed="true"] {
    background: #126e92;
    color: #fff;
}
.jah-carousel-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 2px;
}
.jah-carousel-toggle svg {
    display: block;
    width: 10px;
    height: 10px;
    fill: currentColor;
}
.jah-carousel-toggle .jah-icon-play { display: none; }
.jah-carousel-toggle.is-paused .jah-icon-pause { display: none; }
.jah-carousel-toggle.is-paused .jah-icon-play { display: block; }
.jah-proof { border-bottom: 1px solid var(--jah-line); }
.jah-proof .jah-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding-top: 22px;
    padding-bottom: 22px;
    gap: 25px;
}
.jah-proof-item {
    font-size: 12px;
    color: var(--jah-muted);
    display: flex;
    gap: 12px;
    align-items: center;
}
.jah-proof-item strong {
    display: block;
    font-size: 13px;
    color: var(--jah-ink);
}
.jah-proof-symbol {
    font: 26px var(--jah-serif);
    color: #198ca8;
}
.jah-section { padding: 76px 0; }
.jah-section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
    margin-bottom: 34px;
}
.jah-section h2,
.jah-join h2,
.jah-essentials h2,
.jah-why h2 {
    font: 36px/1.18 var(--jah-serif);
    letter-spacing: -0.015em;
    margin: 0 0 12px;
    color: var(--jah-ink);
}
.jah-scope-card h3,
.jah-benefit h3,
.jah-step h3,
.jah-join-side h3 {
    font: 24px/1.25 var(--jah-serif);
    margin: 0 0 12px;
    color: var(--jah-ink);
}
.jah-section-head p,
.jah-intro {
    color: var(--jah-muted);
    max-width: 570px;
    margin: 0;
    font-size: 15px;
}
.jah-textlink {
    color: var(--jah-blue);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    text-decoration: none;
}
.jah-textlink:hover { text-decoration: underline; }
.jah-scope-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
a.jah-scope-card,
a.jah-scope-card:hover,
a.jah-scope-card:focus,
a.jah-scope-card:focus-visible {
    color: inherit;
    text-decoration: none !important;
    outline: none;
}
a.jah-scope-card:focus-visible {
    box-shadow: 0 0 0 2px #eaf7fa, 0 0 0 4px var(--jah-blue);
    border-radius: 6px;
}
a.jah-scope-card h3 { position: relative; }
.jah-scope-go {
    display: inline-block;
    margin-left: 0.3em;
    color: var(--jah-blue);
    opacity: 0;
    transform: translateX(-5px);
    transition: opacity 0.16s ease, transform 0.16s ease;
    font-weight: 600;
}
a.jah-scope-card:hover h3,
a.jah-scope-card:focus-visible h3 { color: var(--jah-blue); }
a.jah-scope-card:hover .jah-scope-go,
a.jah-scope-card:focus-visible .jah-scope-go {
    opacity: 1;
    transform: none;
}
.jah-scope-image {
    height: 155px;
    overflow: hidden;
    border-radius: 5px;
    margin-bottom: 20px;
}
.jah-scope-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.jah-scope-card p {
    font-size: 14px;
    color: var(--jah-muted);
    margin: 0;
}
.jah-scope-card .jah-num {
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--jah-blue);
    margin-bottom: 9px;
    display: block;
}
.jah-types {
    border-top: 1px solid var(--jah-line);
    margin-top: 30px;
    padding-top: 20px;
    display: flex;
    gap: 10px 21px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--jah-muted);
}
.jah-types strong { color: var(--jah-ink); }
.jah-latest-grid {
    display: grid;
    gap: 1.4rem;
}
.jah-latest-item {
    border-top: 1px solid var(--jah-line);
    padding-top: 1.1rem;
}
.jah-latest-item a {
    font: 22px/1.3 var(--jah-serif);
    text-decoration: none;
    color: var(--jah-ink);
}
.jah-latest-item a:hover { color: var(--jah-blue); }
.jah-latest-meta {
    font-size: 13px;
    color: var(--jah-muted);
    margin: 0.4rem 0 0.5rem;
}
.jah-latest-item p {
    margin: 0;
    font-size: 14px;
    color: var(--jah-muted);
    max-width: 46rem;
}
.jah-why { background: #f1f8fa; }
.jah-why-layout {
    display: grid;
    grid-template-columns: 32% 1fr;
    gap: 65px;
}
.jah-why-intro p { color: var(--jah-muted); font-size: 14px; }
.jah-benefit {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 18px;
    padding: 0 0 23px;
    margin-bottom: 23px;
    border-bottom: 1px solid #d1e4e9;
}
.jah-benefit:last-child {
    border: 0;
    margin: 0;
    padding-bottom: 0;
}
.jah-benefit .jah-number {
    color: #1485a0;
    font: 24px var(--jah-serif);
}
.jah-benefit h3 { font-size: 23px; }
.jah-benefit p {
    font-size: 14px;
    color: var(--jah-muted);
    margin: 0;
}
.jah-process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 38px;
}
.jah-step {
    border-top: 2px solid #c2dce5;
    padding-top: 17px;
}
.jah-step:last-child { border-color: #23846a; }
.jah-step-number {
    font: 12px Arial, sans-serif;
    color: var(--jah-blue);
    display: block;
    margin-bottom: 16px;
}
.jah-step h3 { font-size: 21px; }
.jah-step p {
    font-size: 13px;
    color: var(--jah-muted);
    margin: 0;
}
.jah-pill {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    background: #eaf5fa;
    color: #096d94;
    margin-top: 15px;
}
.jah-pill-green {
    background: #e7f4ed;
    color: #1d7057;
}
.jah-process-note {
    padding: 16px 20px;
    background: #f4f8fa;
    border-left: 3px solid #76b6c9;
    font-size: 12px;
    color: var(--jah-muted);
    margin-top: 27px;
}
.jah-essentials {
    border-top: 1px solid var(--jah-line);
    display: grid;
    grid-template-columns: 36% 1fr;
    gap: 65px;
    padding-top: 50px;
    margin-top: 55px;
}
.jah-essentials h2 { font-size: 29px; }
.jah-essentials .jah-intro { font-size: 14px; }
.jah-faq { border-top: 1px solid var(--jah-line); }
.jah-faq details { border-bottom: 1px solid var(--jah-line); }
.jah-faq summary {
    padding: 17px 0;
    cursor: pointer;
    list-style: none;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    gap: 18px;
}
.jah-faq summary::-webkit-details-marker { display: none; }
.jah-faq summary:after {
    content: "+";
    color: var(--jah-blue);
    font-size: 19px;
    font-weight: normal;
}
.jah-faq details[open] summary:after { content: "−"; }
.jah-faq p {
    font-size: 13px;
    color: var(--jah-muted);
    margin: 0 0 18px;
}
.jah-faq a { color: var(--jah-blue); }
.jah-join {
    background: linear-gradient(115deg, #e6f5fa, #eff9f5);
    border-top: 1px solid #d4eaf0;
    border-bottom: 1px solid #d4eaf0;
}
.jah-join-inner {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 49px;
    padding-bottom: 49px;
}
.jah-join h2 { font-size: 32px; }
.jah-join p {
    color: var(--jah-muted);
    font-size: 14px;
    max-width: 630px;
}
.jah-join-side {
    border-left: 1px solid #bfdde5;
    padding-left: 36px;
}
.jah-join-side h3 { font-size: 23px; }
.jah-heritage {
    padding: 39px 0;
    display: flex;
    gap: 35px;
    align-items: center;
}
.jah-heritage-year {
    font: 40px var(--jah-serif);
    color: #91b4c3;
    white-space: nowrap;
}
.jah-heritage p {
    font-size: 12px;
    color: var(--jah-muted);
    margin: 0;
}
.jah-heritage strong {
    display: block;
    font: 19px var(--jah-serif);
    color: var(--jah-ink);
    margin-bottom: 8px;
}
.jah-footer {
    background: #13384b;
    color: #d3e5ed;
    padding: 32px 0;
}
.jah-footer a { color: #d3e5ed; text-decoration: none; }
.jah-footer a:hover { text-decoration: underline; }
.jah-footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}
.jah-footer-title {
    font: 19px var(--jah-serif);
    color: #fff;
}
.jah-footer p {
    font-size: 11px;
    line-height: 1.8;
    margin: 10px 0 0;
}
.jah-footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 12px;
    align-content: start;
}
.jah-footer-note {
    font-size: 10px;
    color: #97bdce;
    margin-top: 24px;
}
.jah-page {
    padding: 2.4rem 0 3.5rem;
    min-height: 50vh;
}
.jah-page .jah-policy,
.jah-page .jah-home {
    max-width: 46rem;
}
html[lang^="zh"] .jah-hero h1 { font-size: 45px; line-height: 1.3; }
html[lang^="zh"] .jah-section h2,
html[lang^="zh"] .jah-join h2,
html[lang^="zh"] .jah-essentials h2,
html[lang^="zh"] .jah-why h2 { font-size: 31px; }
html[lang^="zh"] .jah-eyebrow { letter-spacing: 0.12em; }
html[lang^="zh"] .jah-brand-name { font-size: 20px; }

@media (min-width: 1600px) {
    .jah-hero-art .jah-slide { right: -260px; }
}
@media (max-width: 1000px) {
    .jah-links { gap: 13px; }
    .jah-optional { display: none; }
    .jah-brand-name { font-size: 16px; }
    .jah-wrap { padding-left: 26px; padding-right: 26px; }
    .jah-why-layout,
    .jah-essentials { gap: 35px; }
    .jah-join-inner { gap: 30px; }
    .jah-home .jah-nav-submit { display: none !important; }
    .jah-hero-grid {
        display: flex;
        flex-direction: column;
        min-height: 0;
    }
    .jah-hero-copy { padding: 40px 0 24px; width: 100%; }
    .jah-hero h1 { font-size: 41px; max-width: 430px; }
    html[lang^="zh"] .jah-hero h1 {
        font-size: 32px;
        max-width: none;
        line-height: 1.45;
        letter-spacing: 0;
    }
    .jah-hero-art {
        height: 260px;
        min-height: 160px;
        max-height: 42vh;
        max-height: 42dvh;
        width: calc(100% + 52px);
        margin: 0 -26px;
        align-self: auto;
    }
    .jah-hero-art .jah-slide { inset: 0; }
    .jah-hero-art:after { background: linear-gradient(#f5fbfc, transparent 18%); }
    .jah-hero-bottom {
        bottom: 15px;
        left: 26px;
        right: 15px;
        justify-content: space-between;
    }
}
@media (max-width: 700px) {
    .jah-wrap { padding-left: 21px; padding-right: 21px; }
    .jah-topline { font-size: 9px; letter-spacing: 0.03em; }
    .jah-history-top { display: none; }
    .jah-nav-inner {
        min-height: 77px;
        gap: 12px;
        flex-wrap: wrap;
        padding-top: 15px;
        padding-bottom: 15px;
    }
    .jah-monogram { font-size: 29px; padding-right: 10px; }
    .jah-brand { gap: 10px; }
    .jah-brand-name { font-size: 14px; max-width: 190px; }
    .jah-links {
        width: 100%;
        justify-content: space-between;
        padding-top: 9px;
        flex-wrap: wrap;
        row-gap: 10px;
    }
    .jah-optional { display: block; }
    .jah-nav-about { display: none; }
    .jah-hero-copy { padding: 37px 0 25px; }
    html[lang^="zh"] .jah-hero h1 { font-size: 28px; }
    .jah-hero-art {
        height: 225px;
        width: calc(100% + 42px);
        margin: 0 -21px;
    }
    .jah-hero-bottom { left: 21px; }
    .jah-proof .jah-wrap {
        grid-template-columns: 1fr;
        gap: 13px;
    }
    .jah-section { padding: 46px 0; }
    .jah-section-head { display: block; }
    .jah-public h2 { font-size: 30px; }
    .jah-scope-grid { grid-template-columns: 1fr; }
    .jah-scope-card {
        display: grid;
        grid-template-columns: 92px 1fr;
        column-gap: 14px;
        row-gap: 4px;
        align-items: start;
    }
    .jah-scope-image {
        grid-row: 1 / span 4;
        height: 92px;
        margin-bottom: 0;
    }
    .jah-scope-card .jah-num { margin-bottom: 0; }
    .jah-scope-card h3 {
        font-size: 20px;
        margin: 0 0 4px;
    }
    .jah-why-layout,
    .jah-essentials,
    .jah-join-inner { grid-template-columns: 1fr; }
    .jah-process-grid { grid-template-columns: 1fr 1fr; }
    .jah-join-side {
        padding: 25px 0 0;
        border-left: 0;
        border-top: 1px solid #bfdde5;
    }
    .jah-footer-inner { display: block; }
    .jah-account-panel { left: 0; right: auto; }
    html[lang^="zh"] .jah-section h2,
    html[lang^="zh"] .jah-join h2 { font-size: 28px; }
}
@media (max-width: 1000px) and (max-height: 500px) {
    .jah-hero-copy { padding: 18px 0 14px; }
    .jah-hero-copy > p:not(.jah-eyebrow) { margin-bottom: 16px; }
    .jah-hero h1 { font-size: 32px; }
    html[lang^="zh"] .jah-hero h1 { font-size: 26px; }
}
@media (max-width: 400px) {
    html[lang^="zh"] .jah-hero h1 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
    .jah-slide { transition: none; }
    .jah-carousel-toggle { display: none; }
}