/* OpenLX Brand DNA & Seven-Architecture Experience Engine V1.1 */
html, body {
    max-width: 100%;
    overflow-x: clip;
}

/* 1. Reading Progress Bar */
.olx-v1-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--olx-primary, #0F6B58), var(--olx-accent, #0D9488));
    z-index: 999999;
    transition: width 0.1s ease-out;
}

/* 2. Brand Persona Bar */
.olx-v1-persona-bar {
    background: var(--olx-surface, #F8FAFC);
    border-bottom: 1px solid var(--olx-border, #E2E8F0);
    padding: 8px 16px;
    font-size: 13px;
    color: var(--olx-ink, #0F172A);
    line-height: 1.5;
}
.olx-v1-persona-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.olx-v1-persona-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    min-width: 0;
}
.olx-v1-arch-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--olx-primary, #1E3A8A);
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid var(--olx-border, #E2E8F0);
}
.olx-v1-persona-badge {
    background: var(--olx-primary, #0F6B58);
    color: #ffffff !important;
    padding: 2px 10px;
    border-radius: var(--olx-radius, 8px);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.3px;
    display: inline-block;
}
.olx-v1-persona-text {
    opacity: 0.88;
    font-weight: 500;
}
.olx-v1-persona-actions {
    display: flex;
    align-items: center;
}
.olx-v1-persona-cta {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--olx-primary, #1E3A8A) !important;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #CBD5E1);
    border-radius: 999px;
    text-decoration: none !important;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.olx-v1-persona-cta:hover {
    border-color: var(--olx-primary, #1E3A8A);
    transform: translateY(-1px);
}

/* 2B. Seven-Architecture Showcase Strip (Home / Front Page) */
.olx-v1-arch-showcase {
    background: linear-gradient(180deg, #FFFFFF 0%, var(--olx-surface, #F8FAFC) 100%);
    border-bottom: 1px solid var(--olx-border, #E2E8F0);
    padding: 26px 16px;
}
.olx-v1-arch-showcase__inner {
    max-width: 1200px;
    margin: 0 auto;
}
.olx-v1-arch-showcase__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.olx-v1-arch-showcase__eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--olx-primary, #1E3A8A);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.olx-v1-arch-showcase__title {
    margin: 0;
    font-size: clamp(19px, 2.4vw, 24px);
    font-weight: 800;
    color: var(--olx-ink, #0F172A);
    font-family: var(--olx-font-display, inherit);
    line-height: 1.35;
}
.olx-v1-inline-search {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    width: min(360px, 100%);
}
.olx-v1-inline-search input[type="search"] {
    flex: 1 1 180px;
    min-width: 0;
    padding: 8px 12px;
    border-radius: var(--olx-radius, 8px);
    border: 1px solid var(--olx-border, #CBD5E1);
    background: #FFFFFF;
    color: var(--olx-ink, #0F172A);
    font-size: 13px;
}
.olx-v1-inline-search button {
    padding: 8px 16px;
    border-radius: var(--olx-radius, 8px);
    border: none;
    background: var(--olx-primary, #1E3A8A);
    color: #FFFFFF !important;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.olx-v1-arch-showcase__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}
.olx-v1-arch-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px 18px;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
    text-decoration: none !important;
    color: var(--olx-ink, #0F172A) !important;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}
.olx-v1-arch-card:hover {
    transform: translateY(-2px);
    border-color: var(--olx-primary, #1E3A8A);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.olx-v1-arch-card__title {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--olx-primary, #1E3A8A);
    margin-bottom: 6px;
}
.olx-v1-arch-card__desc {
    display: block;
    font-size: 12.5px;
    line-height: 1.55;
    color: #475569;
}

/* Seven Architecture Visual Differentiation Variants (A1-A7) */
.olx-v1-arch-showcase--tech {
    background: radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.08), transparent 45%), linear-gradient(180deg, #F8FAFC 0%, #EEF2FF 100%);
    border-top: 2px solid var(--olx-primary, #1E3A8A);
}
.olx-v1-arch-showcase--tech .olx-v1-arch-card {
    border-left: 3px solid var(--olx-accent, #0284C7);
}
.olx-v1-arch-showcase--media {
    background: #FAF8F5;
    border-top: 3px double var(--olx-primary, #831843);
}
.olx-v1-arch-showcase--media .olx-v1-arch-card {
    border-top: 3px solid var(--olx-primary, #831843);
}
.olx-v1-arch-showcase--culture {
    background: #FAF5EE;
    border-bottom: 2px solid #D6C7B2;
}
.olx-v1-arch-showcase--culture .olx-v1-arch-card {
    background: #FFFDF9;
    border: 1px solid #DECBB4;
    border-radius: 4px;
}
.olx-v1-arch-showcase--sojourn {
    background: linear-gradient(135deg, #F8FAF9 0%, #F1F5F3 100%);
}
.olx-v1-arch-showcase--sojourn .olx-v1-arch-card {
    border-bottom: 3px solid var(--olx-secondary, #B7791F);
}
.olx-v1-arch-showcase--outdoor {
    background: linear-gradient(135deg, #F4F3EE 0%, #E7E5E4 100%);
}
.olx-v1-arch-showcase--outdoor .olx-v1-arch-card {
    border-left: 4px solid var(--olx-secondary, #D95D24);
    border-radius: 6px;
}
.olx-v1-arch-showcase--knowledge {
    background: linear-gradient(180deg, #FFFFFF 0%, var(--olx-surface, #F8FAFC) 100%);
}
.olx-v1-arch-showcase--knowledge .olx-v1-arch-card {
    border-top: 2px solid var(--olx-primary, #0F2942);
}
.olx-v1-arch-showcase--commerce {
    background: linear-gradient(135deg, #FFFBEB 0%, #F8FAFC 100%);
}
.olx-v1-arch-showcase--commerce .olx-v1-arch-card {
    border-top: 3px solid var(--olx-secondary, #F59E0B);
}

/* 3. Smart Missing-Cover Box (Single Post) */
.olx-v1-cover-box {
    margin: 0 0 28px 0;
    padding: 24px 26px;
    border-radius: var(--olx-radius, 10px);
    background: linear-gradient(135deg, var(--olx-primary, #1E3A8A) 0%, var(--olx-secondary, #2563EB) 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
    position: relative;
    overflow: hidden;
}
.olx-v1-cover-box--culture,
.olx-v1-cover-box--sojourn {
    background: linear-gradient(135deg, var(--olx-primary, #2F4F3E) 0%, #1E293B 100%);
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.olx-v1-cover-box__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
    font-size: 12px;
}
.olx-v1-cover-box__issue {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    font-weight: 700;
    letter-spacing: 0.04em;
}
.olx-v1-cover-box__arch {
    opacity: 0.88;
    font-weight: 600;
}
.olx-v1-cover-box__headline {
    margin: 0 0 8px 0;
    font-size: clamp(20px, 2.6vw, 26px);
    font-weight: 800;
    line-height: 1.38;
    color: #FFFFFF !important;
    font-family: var(--olx-font-display, inherit);
}
.olx-v1-cover-box__kicker {
    margin: 0 0 16px 0;
    font-size: 13.5px;
    line-height: 1.6;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.92) !important;
}
.olx-v1-cover-box__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 12px;
    opacity: 0.92;
}

/* 4. Auto Chapter Outline (TOC) */
.olx-v1-toc {
    margin: 0 0 28px 0;
    padding: 18px 22px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-left: 4px solid var(--olx-primary, #1E3A8A);
    border-radius: var(--olx-radius, 8px);
}
.olx-v1-toc__title {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--olx-primary, #1E3A8A);
    margin-bottom: 10px;
}
.olx-v1-toc__list {
    margin: 0;
    padding-left: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 6px 20px;
}
.olx-v1-toc__list li {
    font-size: 13.5px;
    line-height: 1.55;
}
.olx-v1-toc__list a {
    color: var(--olx-ink, #0F172A) !important;
    text-decoration: none !important;
    font-weight: 500;
}
.olx-v1-toc__list a:hover {
    color: var(--olx-primary, #1E3A8A) !important;
    text-decoration: underline !important;
}

/* 5. Chinese Prose Reading Typography */
.olx-v1-prose-body {
    font-size: 16.5px;
    line-height: 1.85;
    color: var(--olx-ink, #1F2937);
    overflow-wrap: anywhere;
}
.olx-v1-prose-body h2 {
    margin-top: 1.9em;
    margin-bottom: 0.75em;
    padding-bottom: 0.35em;
    border-bottom: 1px solid var(--olx-border, #E2E8F0);
    font-size: clamp(19px, 2.2vw, 23px);
    line-height: 1.4;
    color: var(--olx-ink, #0F172A);
    scroll-margin-top: 72px;
}
.olx-v1-prose-body h3 {
    margin-top: 1.5em;
    margin-bottom: 0.6em;
    font-size: clamp(17px, 1.9vw, 19.5px);
    line-height: 1.45;
}
.olx-v1-prose-body p {
    margin: 0 0 1.25em 0;
}
.olx-v1-prose-body blockquote {
    margin: 1.5em 0;
    padding: 14px 20px;
    background: var(--olx-surface, #F8FAFC);
    border-left: 4px solid var(--olx-primary, #1E3A8A);
    border-radius: 0 var(--olx-radius, 8px) var(--olx-radius, 8px) 0;
}
.olx-v1-prose-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--olx-radius, 8px);
}
.olx-v1-prose-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 14px;
    display: block;
    overflow-x: auto;
}
.olx-v1-prose-body th,
.olx-v1-prose-body td {
    border: 1px solid var(--olx-border, #E2E8F0);
    padding: 10px 12px;
    text-align: left;
}
.olx-v1-prose-body th {
    background: var(--olx-surface, #F8FAFC);
    font-weight: 700;
}

/* 6. Architecture Conversion Card */
.olx-v1-conversion-card {
    margin: 34px 0 24px 0;
    padding: 22px 24px;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #E2E8F0);
    border-top: 3px solid var(--olx-primary, #1E3A8A);
    border-radius: var(--olx-radius, 8px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}
.olx-v1-conversion-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.olx-v1-conversion-card__eyebrow {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--olx-primary, #1E3A8A);
    margin-bottom: 4px;
}
.olx-v1-conversion-card__title {
    margin: 0;
    font-size: 18px;
    font-weight: 800;
    color: var(--olx-ink, #0F172A);
}
.olx-v1-conversion-card__badge {
    font-size: 11.5px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    color: var(--olx-primary, #1E3A8A);
}
.olx-v1-conversion-card__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.olx-v1-conversion-card__item {
    padding: 16px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
}
.olx-v1-conversion-card__item strong {
    display: block;
    font-size: 15px;
    color: var(--olx-ink, #0F172A);
    margin-bottom: 6px;
}
.olx-v1-conversion-card__item p {
    margin: 0 0 12px 0;
    font-size: 13px;
    line-height: 1.6;
    color: #475569;
}
.olx-v1-conversion-btn {
    display: inline-block;
    padding: 7px 14px;
    font-size: 12.5px;
    font-weight: 600;
    border-radius: var(--olx-radius, 6px);
    background: var(--olx-primary, #1E3A8A);
    color: #FFFFFF !important;
    text-decoration: none !important;
}
.olx-v1-conversion-btn--ghost {
    background: #FFFFFF;
    color: var(--olx-primary, #1E3A8A) !important;
    border: 1px solid var(--olx-primary, #1E3A8A);
}

/* 7. Citation & GEO Card */
.olx-v1-cite-card {
    margin: 24px 0;
    padding: 20px 22px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-left: 4px solid var(--olx-primary, #0F6B58);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    color: var(--olx-ink, #0F172A);
}
.olx-v1-cite-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.olx-v1-cite-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--olx-primary, #0F6B58);
    background: rgba(0, 0, 0, 0.04);
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.olx-v1-cite-time {
    font-size: 12px;
    color: #64748B;
}
.olx-v1-cite-publisher {
    margin: 0 0 12px 0;
    line-height: 1.6;
}
.olx-v1-cite-box {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.olx-v1-cite-box input {
    flex: 1;
    min-width: 180px;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
    background: #FFFFFF;
    color: var(--olx-ink, #0F172A);
}
.olx-v1-copy-btn {
    padding: 8px 16px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    border: none;
    border-radius: var(--olx-radius, 8px);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.15s ease-in-out;
}
.olx-v1-copy-btn:hover {
    opacity: 0.9;
}
.olx-v1-copy-status {
    font-size: 12px;
    color: var(--olx-primary, #0F6B58);
    font-weight: 600;
}

/* 8. Post Navigation */
.olx-v1-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}
.olx-v1-nav-item {
    display: block;
    padding: 16px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
    text-decoration: none !important;
    color: var(--olx-ink, #0F172A) !important;
    transition: transform 0.15s, border-color 0.15s;
    min-width: 0;
}
.olx-v1-nav-item:hover {
    border-color: var(--olx-primary, #0F6B58);
    transform: translateY(-1px);
}
.olx-v1-nav-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--olx-primary, #0F6B58);
    margin-bottom: 6px;
}
.olx-v1-nav-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.olx-v1-nav-next {
    text-align: right;
}

/* 9. Related Posts Grid */
.olx-v1-related-section {
    margin: 28px 0 36px 0;
    padding-top: 20px;
    border-top: 1px solid var(--olx-border, #E2E8F0);
}
.olx-v1-related-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.olx-v1-related-title {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--olx-primary, #1E3A8A);
}
.olx-v1-related-more {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--olx-primary, #1E3A8A) !important;
    text-decoration: none !important;
}
.olx-v1-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.olx-v1-related-card {
    padding: 14px 16px;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
}
.olx-v1-related-meta {
    display: block;
    font-size: 11.5px;
    color: #64748B;
    margin-bottom: 6px;
}
.olx-v1-related-card__title {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.45;
}
.olx-v1-related-card__title a {
    color: var(--olx-ink, #0F172A) !important;
    text-decoration: none !important;
    font-weight: 600;
}
.olx-v1-related-card__title a:hover {
    color: var(--olx-primary, #1E3A8A) !important;
}

/* 10. Responsive Guards */
@media (max-width: 960px) {
    .olx-v1-arch-showcase__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .olx-v1-related-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 640px) {
    .olx-v1-arch-showcase__grid,
    .olx-v1-conversion-card__grid,
    .olx-v1-post-nav,
    .olx-v1-toc__list {
        grid-template-columns: 1fr;
    }
    .olx-v1-nav-next {
        text-align: left;
    }
    .olx-v1-cite-box {
        flex-direction: column;
        align-items: stretch;
    }
    .olx-v1-copy-btn {
        width: 100%;
    }
    .olx-v1-cover-box {
        padding: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 11. Dynamic 404 Page Styling */
.olx-v1-404-wrapper {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--olx-surface, #FAF9F6);
}
.olx-v1-404-card {
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 12px);
    padding: 48px 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.olx-v1-404-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    font-size: 13px;
    font-weight: 700;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.olx-v1-404-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--olx-ink, #1F2937);
    margin: 0 0 16px 0;
    line-height: 1.35;
}
.olx-v1-404-desc {
    font-size: 15px;
    color: #64748B;
    margin: 0 auto 32px auto;
    line-height: 1.6;
    max-width: 520px;
}
.olx-v1-404-search-box {
    max-width: 480px;
    margin: 0 auto 32px auto;
}
.olx-v1-search-form {
    display: flex;
    gap: 8px;
}
.olx-v1-search-field {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    outline: none;
    background: #FFFFFF;
    color: var(--olx-ink, #1F2937);
}
.olx-v1-search-submit {
    padding: 10px 20px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    border: none;
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.olx-v1-search-submit:hover {
    opacity: 0.9;
}
.olx-v1-404-nav-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.olx-v1-btn-home {
    display: inline-block;
    padding: 10px 24px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    text-decoration: none !important;
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    transition: opacity 0.15s;
}
.olx-v1-btn-home:hover {
    opacity: 0.9;
}
.olx-v1-btn-explore {
    display: inline-block;
    padding: 10px 24px;
    background: transparent;
    color: var(--olx-ink, #1F2937) !important;
    text-decoration: none !important;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s;
}
.olx-v1-btn-explore:hover {
    background: var(--olx-surface, #FAF9F6);
}