.nav-lang { display: none; }

@media (max-width: 920px) {
    .burger { margin-left: auto; }
}

.art-hero {
    position: relative;
    background: var(--abyss);
    border-bottom: 1px solid var(--edge);
    overflow: hidden;
    padding: 56px 0 64px;
}
.art-hero-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(800px 440px at 10% 60%, rgba(139,124,255,.13), transparent 70%),
        radial-gradient(500px 320px at 90% 10%, rgba(77,216,200,.09), transparent 70%);
}
.art-hero .rail { position: relative; }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 36px;
    font-size: 13px;
    color: var(--hush);
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--hush); transition: color .18s; }
.breadcrumb a:hover { color: var(--snow); }
.breadcrumb-sep {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--hush);
    opacity: .5;
    flex-shrink: 0;
}
.breadcrumb-current { color: var(--dim); }

.ah-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.ah-cat {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .08em;
    color: var(--teal);
    border: 1px solid rgba(77,216,200,.28);
    border-radius: 100px;
    padding: 3px 12px;
}
.ah-date, .ah-read { font-size: 13px; color: var(--hush); }
.ah-read::before { content: '·'; margin-right: 8px; }

.art-hero h1 {
    font-family: var(--display);
    font-size: clamp(2rem, 4.6vw, 3.2rem);
    font-weight: 700;
    color: var(--snow);
    line-height: 1.22;
    letter-spacing: -.02em;
    margin: 0 0 24px;
    max-width: 980px;
}
.ah-intro {
    font-size: 16px;
    color: var(--dim);
    line-height: 1.85;
    max-width: 860px;
    margin: 0 0 36px;
}
.ah-divider {
    height: 1px;
    background: var(--edge);
    margin-bottom: 28px;
}
.ah-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.aa-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--flare);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--display);
    font-size: 13px;
    font-weight: 700;
    color: #0a0c12;
    flex-shrink: 0;
}
.aa-name { font-size: 14px; font-weight: 600; color: var(--snow); display: block; }
.aa-role { font-size: 12px; color: var(--hush); display: block; margin-top: 2px; }

.art-body-wrap {
    padding: 72px 0 0;
}
.art-col {
    max-width: 980px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 80px;
    min-width: 0;
    box-sizing: border-box;
}
.article-body {
    max-width: 100%;
    min-width: 0;
    overflow-x: clip;
}

.article-body h2 {
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--snow);
    margin: 60px 0 18px;
    letter-spacing: -.01em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.article-body h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.2em;
    border-radius: 2px;
    background: var(--flare);
    flex-shrink: 0;
}
.article-body h3 {
    font-family: var(--display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--snow);
    margin: 36px 0 12px;
}
.article-body h4 {
    font-family: var(--display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--snow);
    margin: 28px 0 10px;
}
.article-body h5 {
    font-family: var(--display);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--snow);
    margin: 22px 0 8px;
}
.article-body p {
    font-size: 15.5px;
    color: var(--dim);
    line-height: 1.92;
    margin: 0 0 18px;
}
.article-body ul, .article-body ol {
    margin: 0 0 18px;
    padding-left: 24px;
}
.article-body li {
    font-size: 15.5px;
    color: var(--dim);
    line-height: 1.85;
    margin-bottom: 8px;
}
.article-body dl {
    margin: 0 0 22px;
    padding: 0;
}
.article-body dt {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--snow);
    margin: 14px 0 4px;
}
.article-body dd {
    font-size: 14.5px;
    color: var(--dim);
    line-height: 1.8;
    margin: 0 0 8px 16px;
}
.article-body strong,
.article-body b { color: var(--snow); font-weight: 600; }
.article-body em { color: var(--dim); font-style: italic; }
.article-body a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--snow); }
.article-body code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9em;
    color: var(--teal);
    background: var(--glass);
    border: 1px solid var(--edge);
    border-radius: 6px;
    padding: 1px 6px;
}
.article-body kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85em;
    color: var(--snow);
    background: var(--abyss);
    border: 1px solid var(--edge-lit);
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: 1px 7px;
}
.article-body del { color: var(--hush); text-decoration: line-through; }
.article-body mark {
    color: var(--snow);
    background: rgba(139, 124, 255, 0.28);
    padding: 0 4px;
    border-radius: 3px;
}
.article-body pre {
    margin: 24px 0;
    padding: 18px 20px;
    overflow-x: auto;
    background: var(--abyss);
    border: 1px solid var(--edge);
    border-radius: 12px;
}
.article-body pre code {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--teal);
    font-size: 13.5px;
    line-height: 1.7;
    white-space: pre;
}
.article-body thead { background: var(--glass); }
.article-body tbody { background: transparent; }
.article-body tr { border-bottom: 1px solid var(--edge); }
.article-body blockquote {
    margin: 28px 0;
    padding: 14px 20px;
    border-left: 3px solid var(--violet);
    background: rgba(139, 124, 255, 0.05);
    border-radius: 0 10px 10px 0;
    color: var(--dim);
}
.article-body blockquote p { margin: 0; }
.article-body hr {
    border: 0;
    border-top: 1px solid var(--edge);
    margin: 40px 0;
}
.article-body img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 24px 0;
}
.article-body figure {
    margin: 28px 0;
}
.article-body figcaption {
    margin-top: 10px;
    font-size: 13px;
    color: var(--hush);
    text-align: center;
}
.article-body > details {
    margin: 16px 0;
    border: 1px solid var(--edge);
    border-radius: 12px;
    background: var(--abyss);
    padding: 0 18px;
}
.article-body > details > summary {
    cursor: pointer;
    list-style: none;
    padding: 16px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--snow);
}
.article-body > details > summary::-webkit-details-marker { display: none; }
.article-body > details[open] > summary { border-bottom: 1px solid var(--edge); margin-bottom: 12px; }
.article-body > details > p { margin-bottom: 16px; }

.cost-card {
    background: var(--abyss);
    border: 1px solid var(--edge);
    border-radius: 16px;
    padding: 6px 0;
    margin: 28px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.cost-card-inner { min-width: 360px; }
.article-table-wrap {
    width: 100%;
    max-width: 100%;
    margin: 28px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    container-type: inline-size;
    container-name: article-table;
    border: 1px solid var(--edge);
    border-radius: 12px;
    background: var(--abyss);
}
.article-table-wrap table,
.article-body table {
    display: table;
    width: max-content;
    min-width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    font-size: 14px;
    color: var(--dim);
}
.article-table-wrap th,
.article-table-wrap td,
.article-body th,
.article-body td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--edge);
    line-height: 1.7;
    vertical-align: top;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: min(50vw, 28rem);
}
@supports (width: 1cqi) {
    .article-table-wrap th,
    .article-table-wrap td,
    .article-body th,
    .article-body td {
        max-width: 50cqi;
    }
}
.article-table-wrap th,
.article-body th {
    color: var(--snow);
    font-weight: 600;
    background: var(--glass);
}
.article-table-wrap td,
.article-body td {
    color: var(--dim);
}
.article-table-wrap tr:last-child td,
.article-body tr:last-child td { border-bottom: none; }
.cost-card-title {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .07em;
    color: var(--hush);
    padding: 16px 24px 12px;
    border-bottom: 1px solid var(--edge);
}
.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--edge);
}
.cost-row:last-child { border-bottom: none; }
.cost-label { font-size: 14px; color: var(--dim); }
.cost-val {
    font-family: var(--display);
    font-weight: 700;
    font-size: 15px;
    color: var(--snow);
    flex-shrink: 0;
}
.cost-val.hi {
    background: var(--flare);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.1rem;
}
.cost-val.teal { color: var(--teal); }
.cost-val.dim { color: var(--violet); }

.highlight-box {
    background: rgba(139,124,255,.05);
    border: 1px solid rgba(139,124,255,.2);
    border-left: 3px solid var(--violet);
    border-radius: 10px;
    padding: 16px 22px;
    margin: 28px 0;
}
.highlight-box p { font-size: 14px; color: var(--dim); margin: 0; line-height: 1.8; }

.art-cta-slot { margin: 56px 0; }

.inline-cta {
    position: relative;
    background: var(--glass);
    border: 1px solid var(--edge);
    border-radius: 18px;
    padding: 36px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    overflow: hidden;
}
.inline-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--flare);
}
.inline-cta-text h3 {
    font-family: var(--display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--snow);
    margin: 0 0 8px;
    letter-spacing: -.01em;
}
.inline-cta-text p { font-size: 14px; color: var(--dim); margin: 0; line-height: 1.7; }
.inline-cta .btn { flex-shrink: 0; }

.article-tags {
    margin-top: 56px;
    padding-top: 28px;
    border-top: 1px solid var(--edge);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.article-tag {
    font-size: 12px;
    color: var(--hush);
    background: var(--glass);
    border: 1px solid var(--edge);
    border-radius: 100px;
    padding: 4px 12px;
}

.art-further,
.art-faq {
    margin-top: 72px;
    padding-top: 56px;
    border-top: 1px solid var(--edge);
}
.art-further h2,
.art-faq h2 {
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--snow);
    letter-spacing: -.01em;
    margin: 0 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.art-further h2::before,
.art-faq h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.2em;
    border-radius: 2px;
    background: var(--flare);
    flex-shrink: 0;
}
.art-further ul {
    margin: 0;
    padding-left: 24px;
}
.art-further li {
    font-size: 15.5px;
    color: var(--dim);
    line-height: 1.85;
    margin-bottom: 10px;
}
.art-further a {
    color: var(--teal);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.art-further a:hover { color: var(--snow); }
.art-faq .faq { max-width: none; }

.float-cta {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 900;
    background: var(--violet-deep);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 100px;
    padding: 14px 26px;
    cursor: pointer;
    box-shadow: 0 4px 28px rgba(109,90,230,.5);
    text-decoration: none;
    display: none;
    align-items: center;
    gap: 8px;
    transition: background-color .18s, transform .2s;
}
.float-cta.visible { display: flex; }
.float-cta:hover { background: var(--violet); transform: translateY(-2px); }
.float-cta-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .art-hero { padding: 44px 0 52px; }
    .art-body-wrap { padding: 52px 0 0; }
    .art-col { padding-bottom: 60px; }
    .inline-cta { flex-direction: column; padding: 28px 24px; }
    .inline-cta .btn { width: 100%; }
}
@media (max-width: 480px) {
    .art-hero h1 { font-size: 1.75rem; }
    .cost-card-title, .cost-row { padding-left: 18px; padding-right: 18px; }
    .float-cta { bottom: 18px; right: 18px; font-size: 13px; padding: 11px 20px; }
}