/* Article-specific structure. Shared color, navigation and search live in site.css. */

.article-page .apple-blog {
    max-width: 1000px !important;
}

.article-page .article-rail {
    align-items: center;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(200px, 1fr) minmax(280px, 420px);
    min-height: 64px;
}

.article-page .site-brand {
    align-items: center;
    color: var(--text);
    display: inline-flex;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.2;
    min-height: 44px;
    text-decoration: none;
}

.article-page .article-rail .search-wrapper {
    justify-self: end;
}

.article-page .article-back {
    margin: 18px 0;
}

.article-page .article-layout,
.article-page .single-axis-article,
.article-page .main-column {
    display: block;
    max-width: none;
    width: 100%;
}

/* 正文承载层：一级玻璃面板 */
.article-page .article-card {
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow), var(--glass-highlight);
    margin: 24px auto 0;
    max-width: 820px;
    padding: 60px 64px 52px;
}

.article-page .article-title {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.24;
    margin: 0 auto;
    max-width: var(--reading-width);
    overflow-wrap: break-word;
    text-wrap: balance;
}

.article-page .article-meta {
    align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 13px;
    gap: 8px 22px;
    letter-spacing: 0.04em;
    margin: 22px auto 0;
    max-width: var(--reading-width);
    padding: 0 0 20px;
}

.article-page .article-meta > span {
    align-items: center;
    display: inline-flex;
    gap: 7px;
}

.article-page .article-meta .lucide-icon {
    color: var(--accent);
    height: 14px;
    width: 14px;
}

.article-page .article-content {
    color: #e6e9ef;
    font-family: var(--font-reading);
    font-size: 18px;
    line-height: 1.75;
    margin: 40px auto 0;
    max-width: 680px;
    overflow-wrap: anywhere;
    word-break: normal;
}

.article-content :where(div, p, span, li, font) {
    color: inherit !important;
    font-family: inherit !important;
}

.article-content [style*="color: rgb(255, 0, 0)"],
.article-content [style*="color: #ff0000"],
.article-content [style*="color: red"],
.article-content [color="red"] {
    color: #f2897b !important;
}

.article-content [style*="color: rgb(0, 0, 0)"],
.article-content [style*="color: #000000"],
.article-content [style*="color: black"],
.article-content [color="black"] {
    color: inherit !important;
}

.article-content [style*="background-color: #fff"],
.article-content [style*="background-color: rgb(255, 255, 255)"] {
    background-color: transparent !important;
}

.article-content .text-size-12 { font-size: 12px !important; }
.article-content .text-size-14 { font-size: 14px !important; }
.article-content .text-size-16 { font-size: 16px !important; }
.article-content .text-size-18 { font-size: 18px !important; }
.article-content .text-size-20 { font-size: 20px !important; }
.article-content .text-size-24 { font-size: 24px !important; line-height: 1.6 !important; }
.article-content .text-size-28 { font-size: 28px !important; line-height: 1.5 !important; }
.article-content .text-size-32 { font-size: 32px !important; line-height: 1.4 !important; }
.article-content .text-tone-red { color: #f2897b !important; }
.article-content .text-tone-blue { color: #8fbbe8 !important; }
.article-content .text-tone-green { color: #94cf9f !important; }
.article-content .text-tone-orange { color: #e4b077 !important; }
.article-content .text-tone-purple { color: #c4a8ee !important; }

.article-content p {
    margin: 0 0 1.25em;
}

.article-content p:last-child {
    margin-bottom: 0;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--text);
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.35;
    text-wrap: balance;
}

.article-content h2 {
    font-size: 27px;
    letter-spacing: 0.02em;
    margin: 2.1em 0 0.75em;
}

.article-content h3 {
    font-size: 22px;
    margin: 1.8em 0 0.65em;
}

.article-content h4 {
    font-size: 19px;
    margin: 1.6em 0 0.6em;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.3em;
    padding-left: 1.45em;
}

.article-content li {
    margin: 0.35em 0;
    padding-left: 0.15em;
}

.article-content blockquote {
    background: transparent;
    border-left: 2px solid var(--accent);
    color: var(--text-secondary);
    margin: 1.7em 0;
    padding: 2px 0 2px 20px;
}

.article-content blockquote > :last-child {
    margin-bottom: 0;
}

.article-content a {
    color: #e7ca94;
    overflow-wrap: anywhere;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.article-content img {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    display: block;
    height: auto;
    margin: 1.7em auto;
    max-width: 100%;
}

.article-content table {
    border-collapse: collapse;
    display: block;
    font-family: var(--font-body);
    font-size: 15px;
    margin: 1.6em 0;
    max-width: 100%;
    overflow-x: auto;
    width: max-content;
}

.article-content th,
.article-content td {
    border: 1px solid var(--line);
    min-width: 120px;
    padding: 9px 11px;
    text-align: left;
    vertical-align: top;
}

.article-content th {
    background: var(--surface-soft);
    color: var(--text);
    font-weight: 650;
}

.article-content code {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--line);
    border-radius: 5px;
    color: #ecd9ab;
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.88em;
    padding: 0.12em 0.34em;
}

.article-content pre {
    background: rgba(6, 8, 12, 0.72);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: #e8e5da;
    margin: 1.6em 0;
    max-width: 100%;
    overflow: auto;
    padding: 16px;
}

.article-content pre code {
    background: transparent;
    border: 0;
    color: #e8e5da;
    padding: 0;
}

.article-signature {
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: 0.04em;
    margin-top: 2.6em;
    padding-top: 16px;
}

@supports (content-visibility: auto) {
    .article-content > div {
        contain-intrinsic-size: auto 8lh;
        content-visibility: auto;
    }
}

.article-error,
.error-message {
    color: var(--danger);
}

/* 密码解锁区：留在玻璃卡片内部，本身不再叠加毛玻璃 */
.password-overlay {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    border-top: 1px solid var(--line);
    margin: 36px auto 0;
    max-width: var(--reading-width);
    padding: 32px 0;
    text-align: left;
}

.password-kicker {
    align-items: center;
    color: var(--accent);
    display: flex;
    font-size: 12px;
    font-weight: 650;
    gap: 7px;
    letter-spacing: 0.14em;
    margin: 0 0 10px;
}

.password-overlay h2,
.password-overlay h3 {
    color: var(--text);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.35;
    margin: 0;
}

.password-intro,
.password-privacy,
.remaining-attempts {
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.55;
}

#password-form {
    align-items: end;
    display: grid;
    gap: 10px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin-top: 18px;
}

.password-label {
    color: var(--text-secondary);
    font-size: 13px;
    grid-column: 1 / -1;
}

.password-input {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    color: var(--text);
    min-height: 46px;
    min-width: 0;
    padding: 9px 12px;
    width: 100%;
}

.password-btn {
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    color: #14100a;
    cursor: pointer;
    font-weight: 650;
    min-height: 46px;
    padding: 9px 18px;
    transition: background 160ms ease;
}

.password-btn:hover:not(:disabled),
.password-btn:focus-visible {
    background: #e6c98f;
}

.password-btn:disabled {
    cursor: wait;
    opacity: 0.62;
}

.nav-buttons {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 48px auto 0;
    max-width: var(--reading-width);
    padding-top: 18px;
}

.article-step {
    background: transparent;
    border: 0;
    border-radius: 0;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 96px;
    padding: 12px 18px;
    text-decoration: none;
}

.article-step:first-child {
    border-right: 1px solid var(--line);
    padding-left: 0;
}

.article-step:last-child {
    padding-right: 0;
    text-align: right;
}

.article-step-label {
    align-items: center;
    color: var(--text-muted);
    display: flex;
    font-size: 12px;
    gap: 8px;
    justify-content: space-between;
    letter-spacing: 0.04em;
}

.article-step strong {
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 550;
    line-height: 1.5;
    margin-top: 7px;
    transition: color 160ms ease;
}

.article-step:hover strong,
.article-step:focus-visible strong {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.article-step.disabled {
    color: var(--text-muted);
    pointer-events: none;
}

.article-step.disabled strong {
    color: var(--text-muted);
}

/* 延伸阅读：正文卡片之后的安静延续区，不叠加第二层玻璃 */
.article-related-section {
    background: transparent;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    margin: 40px auto 0;
    max-width: 820px;
    padding: 0 64px;
}

.side-title {
    align-items: baseline;
    color: var(--text);
    display: flex;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    gap: 14px;
    letter-spacing: 0.03em;
    line-height: 1.35;
    margin: 0 auto 8px;
    max-width: var(--reading-width);
    text-shadow: 0 1px 18px rgba(0, 0, 0, 0.4);
}

.related-list {
    list-style: none;
    margin: 0 auto;
    max-width: var(--reading-width);
    padding: 0;
}

.related-item {
    border-bottom: 1px solid var(--line);
}

.related-link {
    align-items: center;
    color: var(--text-secondary);
    display: grid;
    gap: 6px 14px;
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 60px;
    padding: 10px 0;
    text-decoration: none;
}

.related-title {
    font-size: 14.5px;
    line-height: 1.5;
    min-width: 0;
    transition: color 160ms ease;
}

.related-date {
    color: var(--text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    grid-column: 1;
}

.related-arrow {
    color: var(--text-muted);
    grid-column: 2;
    grid-row: 1 / 3;
}

.related-link:hover .related-title,
.related-link:focus-visible .related-title {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.related-more {
    padding-top: 12px;
}

.no-related {
    color: var(--text-muted);
    padding: 16px 0;
}

@media (max-width: 720px) {
    .article-page .article-rail {
        align-items: start;
        gap: 14px;
        grid-template-columns: 1fr;
        padding: 10px 14px 16px;
    }

    .article-page .article-rail .search-wrapper {
        justify-self: stretch;
        max-width: none;
    }

    .article-page .article-card {
        padding: 46px 40px 40px;
    }

    .article-page .article-title {
        font-size: 38px;
    }

    .article-related-section {
        padding: 0 40px;
    }
}

@media (max-width: 640px) {
    .article-page .article-card {
        padding: 36px 24px 32px;
    }

    .article-page .article-title {
        font-size: 33px;
        letter-spacing: 0.02em;
        line-height: 1.28;
    }

    .article-page .article-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .article-page .article-content {
        font-size: 17px;
        line-height: 1.75;
        margin-top: 32px;
    }

    .article-content h2 {
        font-size: 24px;
    }

    .article-content h3 {
        font-size: 20px;
    }

    .article-related-section {
        padding: 0 24px;
    }

    #password-form,
    .nav-buttons {
        grid-template-columns: 1fr;
    }

    .password-btn {
        width: 100%;
    }

    .article-step:first-child {
        border-bottom: 1px solid var(--line);
        border-right: 0;
        padding-right: 0;
    }

    .article-step:last-child {
        padding-left: 0;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .article-page .article-card {
        border-radius: var(--radius);
    }

    .article-page .article-title {
        font-size: 30px;
    }

    .article-content pre {
        border-left: 0;
        border-radius: 0;
        border-right: 0;
        margin-left: -24px;
        margin-right: -24px;
    }
}