/* ===========================================
   文章页 — Mission Console（深空底、青绿主色）
   单栏宽文章 + 顶部阅读进度条 + 横向锚点条
   =========================================== */

/* ----- Console token 覆盖（依赖 common.css 变量体系） ----- */
body.page-ledger {
    --canvas: #0B1220;
    --canvas-deep: #060B16;
    --surface-card: #131C2E;
    --surface-card-elevated: #18243C;
    --surface-strong: #1C2942;

    --primary: #2DD4BF;
    --primary-active: #14B8A6;
    --primary-glow: rgba(45, 212, 191, 0.35);

    --ink: #E5E7EB;
    --body: #94A3B8;
    --body-strong: #E5E7EB;
    --muted: #64748B;
    --muted-soft: #475569;
    --on-primary: #06231F;

    --hairline: rgba(255, 255, 255, 0.08);
    --hairline-soft: rgba(255, 255, 255, 0.05);
    --hairline-strong: rgba(255, 255, 255, 0.14);

    --semantic-success: #2DD4BF;
    --accent-cyan: #38BDF8;

    --font-display: "Space Grotesk", "Noto Sans SC", sans-serif;
    --font-body: "Inter", "Noto Sans SC", sans-serif;
    --font-code: "JetBrains Mono", monospace;

    --font-primary: var(--font-body);

    --bg-primary: var(--canvas);
    --bg-secondary: var(--surface-card);
    --bg-white: var(--surface-card-elevated);
    --bg-hover: var(--surface-strong);
    --text-primary: var(--ink);
    --text-secondary: var(--body);
    --text-tertiary: var(--muted);
    --accent-color: var(--primary);
    --accent-hover: var(--primary-active);
    --accent-light: rgba(45, 212, 191, 0.1);
    --primary-blue: var(--primary);
    --primary-blue-hover: var(--primary-active);
    --primary-blue-light: rgba(45, 212, 191, 0.1);
    --success-green: var(--semantic-success);
    --border-color: var(--hairline);
    --border-color-light: var(--hairline-soft);

    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    background: var(--canvas);
    color: var(--body);
    font-family: var(--font-body);
    letter-spacing: 0;
}

body.page-ledger main {
    padding-top: calc(var(--nav-height) + 8px);
}

/* ----- Reading Progress Bar (fixed top) ----- */
body.page-ledger .reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 1000;
    background: var(--hairline);
}

body.page-ledger .reading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
    transition: width 100ms ease-out;
    box-shadow: 0 0 12px var(--primary-glow);
}

/* ----- Article Layout (single column wide) ----- */
body.page-ledger .article-wrap {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 40px var(--space-md) 80px;
}

body.page-ledger .article-body {
    max-width: 820px;
    margin: 0 auto;
}

/* ----- Breadcrumb ----- */
body.page-ledger .article-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
}

body.page-ledger .article-breadcrumb a {
    color: var(--body);
    text-decoration: none;
    transition: color var(--transition-fast);
}

body.page-ledger .article-breadcrumb a:hover {
    color: var(--primary);
}

body.page-ledger .article-breadcrumb i {
    font-size: 9px;
    opacity: 0.5;
    color: var(--muted);
}

body.page-ledger .article-breadcrumb .current {
    color: var(--muted-soft);
}

/* ----- Article Header ----- */
body.page-ledger .article-header {
    margin-bottom: 12px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--hairline);
}

body.page-ledger .article-eyebrow {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
    padding: 4px 12px;
    background: var(--accent-light);
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: var(--radius-pill);
}

body.page-ledger .article-title {
    font-family: var(--font-display);
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 600;
    color: var(--ink);
    line-height: 1.12;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

body.page-ledger .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--muted);
}

body.page-ledger .article-meta i {
    font-size: 12px;
    color: var(--primary);
    margin-right: 4px;
}

/* ----- Top Anchor Strip (replaces right TOC) ----- */
body.page-ledger .article-anchors {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px 0 12px;
    margin-bottom: 28px;
    scrollbar-width: none;
    border-bottom: 1px solid var(--hairline);
}

body.page-ledger .article-anchors::-webkit-scrollbar {
    display: none;
}

body.page-ledger .article-anchors a {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--body);
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

body.page-ledger .article-anchors a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--accent-light);
}

body.page-ledger .article-anchors a.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--accent-light);
}

body.page-ledger .anchor-num {
    font-family: var(--font-code);
    font-size: 10px;
    opacity: 0.7;
}

/* ----- Article Intro ----- */
body.page-ledger .article-intro {
    font-size: 16px;
    line-height: 1.65;
    color: var(--body-strong);
    margin-bottom: 32px;
    padding: 16px 20px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--primary);
}

/* ----- Content Sections (cardified) ----- */
body.page-ledger .content-section {
    margin-bottom: 28px;
    padding: 28px 24px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    scroll-margin-top: calc(var(--nav-height) + 80px);
    transition: border-color var(--transition-normal);
    position: relative;
    overflow: hidden;
}

body.page-ledger .content-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

body.page-ledger .content-section:hover {
    border-color: var(--hairline-strong);
}

body.page-ledger .content-section:hover::before {
    opacity: 0.4;
}

body.page-ledger .content-section h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline);
    letter-spacing: -0.01em;
}

body.page-ledger .content-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--body-strong);
    margin: 20px 0 10px;
}

body.page-ledger .content-section h3:first-child {
    margin-top: 0;
}

body.page-ledger .content-section p {
    font-size: 15px;
    line-height: 1.65;
    color: var(--body);
    margin-bottom: 12px;
}

body.page-ledger .content-section p:last-child {
    margin-bottom: 0;
}

body.page-ledger .content-section ul,
body.page-ledger .content-section ol {
    margin-bottom: 12px;
    padding-left: 0;
}

body.page-ledger .content-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

body.page-ledger .content-section ul li {
    position: relative;
    padding-left: 18px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--body);
}

body.page-ledger .content-section ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.6;
}

body.page-ledger .content-section ol {
    padding-left: 1.4em;
}

body.page-ledger .content-section ol li {
    font-size: 15px;
    line-height: 1.6;
    color: var(--body);
    padding-left: 4px;
}

body.page-ledger .content-section ol li::marker {
    color: var(--primary);
    font-weight: 600;
}

body.page-ledger .content-section strong {
    color: var(--body-strong);
    font-weight: 600;
}

/* ----- Feature Card Grid (for system_intro 13 modules) ----- */
body.page-ledger .feature-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

body.page-ledger .feature-mini-card {
    padding: 18px 16px;
    background: var(--surface-card-elevated);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

body.page-ledger .feature-mini-card:hover {
    border-color: var(--hairline-strong);
    transform: translateY(-1px);
}

body.page-ledger .feature-mini-card h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

body.page-ledger .feature-mini-card p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--body);
    margin: 0;
}

body.page-ledger .feature-mini-card .feature-tag {
    display: inline-flex;
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--primary);
    background: var(--accent-light);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    margin-bottom: 8px;
}

/* ----- Table (dark style) ----- */
body.page-ledger .docs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    background: var(--surface-card-elevated);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

body.page-ledger .docs-table th,
body.page-ledger .docs-table td {
    border-bottom: 1px solid var(--hairline);
    padding: 11px 14px;
    text-align: left;
    line-height: 1.5;
    color: var(--body);
}

body.page-ledger .docs-table tr:last-child td {
    border-bottom: none;
}

body.page-ledger .docs-table th {
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    font-size: 13px;
    font-family: var(--font-code);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

body.page-ledger .docs-table td {
    color: var(--body);
}

body.page-ledger .docs-table .highlight {
    color: var(--primary);
    font-weight: 600;
    font-family: var(--font-code);
}

body.page-ledger .docs-table .total-row {
    background: var(--accent-light);
}

body.page-ledger .docs-table .total-row td {
    color: var(--primary);
    font-weight: 600;
}

/* ----- Callout / Tip Box ----- */
body.page-ledger .docs-callout {
    background: var(--surface-card-elevated);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 16px 0;
}

body.page-ledger .docs-callout ul {
    margin-bottom: 0;
}

body.page-ledger .docs-callout p:last-child {
    margin-bottom: 0;
}

body.page-ledger .docs-callout p {
    font-size: 14px;
}

/* ----- Step Flow (quick_start 4 horizontal steps) ----- */
body.page-ledger .step-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 20px 0;
}

body.page-ledger .step-card {
    display: flex;
    flex-direction: column;
    padding: 20px 18px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
    position: relative;
}

body.page-ledger .step-card:hover {
    border-color: var(--hairline-strong);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

body.page-ledger .step-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

body.page-ledger .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-family: var(--font-code);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--accent-light);
    border: 1px solid rgba(45, 212, 191, 0.25);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

body.page-ledger .step-day {
    font-family: var(--font-code);
    font-size: 11px;
    color: var(--muted);
    padding: 2px 8px;
    background: var(--surface-card-elevated);
    border-radius: var(--radius-pill);
}

body.page-ledger .step-card h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

body.page-ledger .step-card p {
    font-size: 14px;
    line-height: 1.55;
    color: var(--body);
    margin-bottom: 12px;
    flex: 1;
}

body.page-ledger .step-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
    padding: 0;
}

body.page-ledger .step-tags li {
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--muted);
    background: var(--surface-card-elevated);
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--hairline);
}

/* ----- Article Nav ----- */
body.page-ledger .article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
}

body.page-ledger .nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--body);
    font-size: 14px;
    font-weight: 500;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

body.page-ledger .nav-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

body.page-ledger .nav-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

body.page-ledger .nav-btn i {
    font-size: 11px;
    color: var(--primary);
}

body.page-ledger .nav-prev {
    margin-right: auto;
}

body.page-ledger .nav-next {
    margin-left: auto;
}

/* ----- Related Articles ----- */
body.page-ledger .related-articles {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
}

body.page-ledger .related-articles h3 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

body.page-ledger .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}

body.page-ledger .related-card {
    padding: 16px 18px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
    text-decoration: none;
    display: block;
    min-width: 180px;
}

body.page-ledger .related-card:hover {
    border-color: var(--primary);
}

body.page-ledger .related-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

body.page-ledger .related-card p {
    font-size: 13px;
    line-height: 1.45;
    color: var(--body);
    margin: 0;
}

/* ----- Feedback Section ----- */
body.page-ledger .feedback-section {
    margin-top: 40px;
    padding: 28px 24px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    text-align: center;
}

body.page-ledger .feedback-section h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

body.page-ledger .feedback-section p {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 16px;
}

body.page-ledger .feedback-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

body.page-ledger .feedback-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    background: var(--surface-card-elevated);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

body.page-ledger .feedback-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--accent-light);
}

/* ----- Code ----- */
body.page-ledger .content-section code {
    font-family: var(--font-code);
    font-size: 0.88em;
    padding: 2px 6px;
    background: var(--surface-strong);
    border: 1px solid var(--hairline);
    border-radius: 4px;
    color: var(--primary);
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
    body.page-ledger .feature-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    body.page-ledger .step-flow {
        grid-template-columns: repeat(2, 1fr);
    }

    body.page-ledger .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body.page-ledger .article-wrap {
        padding: 28px var(--space-md) 60px;
    }

    body.page-ledger .article-title {
        font-size: 22px;
    }

    body.page-ledger .content-section {
        padding: 20px 16px;
    }

    body.page-ledger .content-section h2 {
        font-size: 17px;
    }

    body.page-ledger .feature-card-grid {
        grid-template-columns: 1fr;
    }

    body.page-ledger .step-flow {
        grid-template-columns: 1fr;
    }

    body.page-ledger .article-nav {
        flex-direction: column;
    }

    body.page-ledger .nav-prev,
    body.page-ledger .nav-next {
        margin: 0;
    }

    body.page-ledger .related-grid {
        grid-template-columns: 1fr;
    }

    body.page-ledger .article-anchors {
        padding-bottom: 8px;
        margin-bottom: 20px;
    }

    body.page-ledger .article-anchors a {
        font-size: 11px;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    body.page-ledger .article-intro {
        font-size: 15px;
        padding: 14px 16px;
    }

    body.page-ledger .docs-table {
        font-size: 13px;
    }

    body.page-ledger .docs-table th,
    body.page-ledger .docs-table td {
        padding: 8px 10px;
    }
}