/* =========================================
   中国农业大学学位论文送审 · 评审结果
   视觉改写自 diffrobot-web/styles.css
   ========================================= */

:root {
    --color-bg: #fafaf8;
    --color-surface: #f3f3ee;
    --color-surface-2: #ececdf;
    --color-ink: #0a0a0a;
    --color-ink-soft: #3d3d3d;
    --color-ink-soft-2: #5a5a5a;
    --color-muted: #8a8a8a;
    --color-line: #e6e6e0;
    --color-line-soft: #efefe8;
    --color-accent: #1f3a2e;
    --color-accent-soft: #e8efe9;
    --color-accent-bright: #5fa777;

    /* 严重度配色 */
    --sev-critical: #b00020;
    --sev-high: #c75300;
    --sev-medium: #b8860b;
    --sev-low: #6b7280;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
        sans-serif;
    --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia,
        "Times New Roman", serif;
    --font-mono: "SF Mono", "Menlo", "Consolas", "Liberation Mono", monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --max-width: 1000px;
    --content-width: 760px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    color: var(--color-ink);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern", "liga";
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.18s ease, color 0.18s ease, border-color 0.18s ease,
        background 0.18s ease;
}
a:hover { opacity: 0.78; }

h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -0.005em; }
p { margin: 0 0 1em; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}
.container-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--color-line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 18px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-ink);
}
.brand:hover { opacity: 1; }
.brand-mark {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: #fff;
    background: var(--color-accent);
    padding: 3px 7px;
    border-radius: 4px;
}
.brand-meta {
    font-size: 0.72rem;
    color: var(--color-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: 72px 0 44px;
    background:
        radial-gradient(ellipse at 82% -10%, var(--color-accent-soft), transparent 55%),
        var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    overflow: hidden;
}
.eyebrow {
    font-size: 0.76rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 18px;
    font-weight: 600;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.9rem);
    line-height: 1.2;
    font-weight: 600;
    margin: 0 0 18px;
    max-width: 24ch;
}
.hero-sub {
    font-size: 1.12rem;
    color: var(--color-ink-soft);
    max-width: 60ch;
    margin: 0 0 14px;
    line-height: 1.7;
    font-weight: 500;
}
.hero-note {
    font-size: 0.84rem;
    color: var(--color-muted);
    max-width: 64ch;
    margin: 0 0 28px;
    line-height: 1.6;
    padding-left: 12px;
    border-left: 2px solid var(--sev-medium);
}

/* --- Overview bar --- */
.overview-bar {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    align-items: center;
    border-top: 1px solid var(--color-line);
    padding-top: 24px;
    margin-top: 8px;
}
.ov-item { display: flex; flex-direction: column; gap: 4px; }
.ov-num {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    font-family: var(--font-serif);
}
.ov-label {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
    font-weight: 600;
}
.ov-dist { gap: 8px; }
.ov-dist-chips { display: flex; gap: 6px; flex-wrap: wrap; }

/* --- Legend --- */
.legend {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-ink-soft);
    border-top: 1px dashed var(--color-line);
    padding-top: 20px;
}
.legend-title {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-muted);
    font-weight: 600;
    width: 100%;
}
.legend-item { display: inline-flex; align-items: center; gap: 7px; }

/* --- Severity badge --- */
.sev {
    display: inline-block;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    padding: 3px 8px;
    border-radius: 10px;
    letter-spacing: 0.02em;
    white-space: nowrap;
    vertical-align: middle;
}
.sev-critical { background: var(--sev-critical); }
.sev-high { background: var(--sev-high); }
.sev-medium { background: var(--sev-medium); }
.sev-low { background: var(--sev-low); }

.ev-cond, .cond-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-ink-soft-2);
    background: var(--color-surface-2);
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.02em;
}

/* --- Subtotal chips --- */
.subtotals { display: inline-flex; gap: 5px; flex-wrap: wrap; }
.sub-chip {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    line-height: 1.4;
    white-space: nowrap;
}
.sub-chip-critical { color: var(--sev-critical); background: #fbe3e7; }
.sub-chip-high { color: var(--sev-high); background: #fbe8d8; }
.sub-chip-medium { color: #8a6608; background: #f7eccc; }
.sub-chip-low { color: var(--sev-low); background: #ebedf0; }

/* --- Paper quick-nav --- */
.paper-nav {
    position: sticky;
    top: 60px;
    z-index: 40;
    background: rgba(243, 243, 238, 0.94);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--color-line);
}
.paper-nav .container {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 12px;
    padding-bottom: 12px;
    flex-wrap: wrap;
}
.pn-label {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
    font-weight: 600;
}
.pn-links { display: flex; gap: 8px; flex-wrap: wrap; }
.pn-links a {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 5px 12px;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    background: #fff;
    color: var(--color-ink-soft);
}
.pn-links a:hover {
    opacity: 1;
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* --- Index main --- */
.index-main { padding: 40px 32px 80px; }

/* --- Paper card --- */
.paper-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 28px 30px;
    margin: 0 0 28px;
    scroll-margin-top: 120px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}
.pc-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--color-line);
    padding-bottom: 20px;
    margin-bottom: 18px;
}
.pc-head-main { flex: 1 1 460px; min-width: 0; }
.pc-slug {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    padding: 2px 8px;
    border-radius: 4px;
}
.pc-title {
    font-family: var(--font-serif);
    font-size: 1.32rem;
    line-height: 1.4;
    margin: 12px 0 8px;
    color: var(--color-ink);
}
.pc-meta { font-size: 0.9rem; color: var(--color-ink-soft-2); margin: 0; }
.pc-head-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    flex: 0 0 auto;
}
.conclusion-badge {
    display: inline-block;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
    border-radius: 999px;
    padding: 5px 16px;
    background: var(--color-accent-soft);
    white-space: nowrap;
}
.pc-count {
    font-size: 0.82rem;
    color: var(--color-ink-soft);
    font-weight: 600;
}

/* --- Opinion rows --- */
.op-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.op-row {
    display: grid;
    grid-template-columns: auto 56px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: baseline;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-line-soft);
    color: var(--color-ink-soft);
    background: #fff;
}
.op-row:last-child { border-bottom: none; }
.op-row:hover {
    opacity: 1;
    background: var(--color-accent-soft);
}
.op-cell { line-height: 1.55; }
.op-sev { align-self: center; }
.op-id {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-muted);
    white-space: nowrap;
}
.op-title {
    font-size: 0.95rem;
    color: var(--color-ink);
    font-weight: 500;
}
.type-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    border-radius: 4px;
    padding: 1px 7px;
    margin-left: 8px;
    vertical-align: middle;
    white-space: nowrap;
}
.cond-tag { margin-left: 6px; vertical-align: middle; }
.op-link {
    font-size: 0.82rem;
    color: var(--color-accent);
    white-space: nowrap;
    font-weight: 600;
    align-self: center;
}
.op-row:hover .op-link { text-decoration: underline; }

/* --- Paper card footer --- */
.pc-foot { margin-top: 20px; }
.pc-foot-links { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.btn {
    display: inline-block;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-line);
    background: #fff;
    color: var(--color-ink-soft);
}
.btn:hover {
    opacity: 1;
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-soft);
}
.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn-primary:hover { background: #16291f; color: #fff; }
.minor-summary {
    font-size: 0.86rem;
    color: var(--color-ink-soft-2);
    line-height: 1.65;
    margin: 0;
    padding: 12px 14px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--sev-low);
}
.minor-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    margin-right: 8px;
}

/* =========================================
   Document pages (detail / submission)
   ========================================= */
.doc { padding: 36px 32px 80px; }
.doc-topnav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 18px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-line);
}
.back-link { font-weight: 600; font-size: 0.92rem; }
.doc-tag {
    font-size: 0.78rem;
    color: var(--color-muted);
    font-weight: 600;
    letter-spacing: 0.04em;
}
.doc-bottomnav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--color-line);
}

/* --- Markdown body --- */
.markdown-body { color: var(--color-ink-soft); font-size: 1rem; }
.markdown-body h1, .doc-h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3.4vw, 2.1rem);
    line-height: 1.3;
    color: var(--color-ink);
    margin: 0 0 10px;
    font-weight: 600;
}
.markdown-body > h1:first-child { margin-top: 0; }
.markdown-body h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    line-height: 1.35;
    color: var(--color-ink);
    margin: 44px 0 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent);
    font-weight: 600;
}
.markdown-body h3 {
    font-size: 1.16rem;
    line-height: 1.5;
    color: var(--color-ink);
    margin: 34px 0 12px;
    font-weight: 600;
    scroll-margin-top: 86px;
}
.markdown-body h3.problem {
    color: var(--color-accent);
    padding-left: 12px;
    border-left: 4px solid var(--color-accent);
}
.markdown-body h4 {
    font-size: 1.0rem;
    color: var(--color-ink-soft);
    margin: 22px 0 8px;
    font-weight: 700;
}
.markdown-body p {
    font-size: 1rem;
    color: var(--color-ink-soft);
    margin: 0 0 14px;
    line-height: 1.8;
}
.markdown-body strong { color: var(--color-ink); font-weight: 700; }
.markdown-body ul, .markdown-body ol {
    color: var(--color-ink-soft);
    padding-left: 24px;
    margin: 0 0 16px;
}
.markdown-body li { margin: 0 0 7px; line-height: 1.75; }
.markdown-body li::marker { color: var(--color-accent); }
.markdown-body code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-surface);
    padding: 1px 5px;
    border-radius: 4px;
    color: var(--color-ink);
}
.markdown-body pre {
    background: var(--color-ink);
    color: #f0f0e8;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    line-height: 1.6;
    margin: 0 0 18px;
}
.markdown-body pre code { background: none; padding: 0; color: inherit; }
.markdown-body hr {
    border: none;
    border-top: 1px solid var(--color-line);
    margin: 36px 0;
}
.markdown-body a { font-weight: 600; }

.byline-meta, .doc-byline {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin: 0 0 24px;
}

/* anchor target offset helper */
.op-anchor {
    display: block;
    position: relative;
    top: -84px;
    visibility: hidden;
}

/* --- Blockquote -> comparison callout (物理隔离对比块) --- */
.markdown-body blockquote.cmp-callout {
    background: var(--color-surface);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 20px 0;
    padding: 16px 20px;
    color: var(--color-ink-soft);
}
.markdown-body blockquote.cmp-callout p { margin: 0 0 8px; }
.markdown-body blockquote.cmp-callout p:last-child { margin-bottom: 0; }
.markdown-body blockquote.cmp-callout strong { color: var(--color-accent); }
.markdown-body blockquote.cmp-callout ul,
.markdown-body blockquote.cmp-callout ol { margin: 8px 0 0; }

/* --- Tables --- */
.table-wrap {
    margin: 22px 0 24px;
    overflow-x: auto;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
}
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.markdown-body th, .markdown-body td {
    text-align: left;
    padding: 11px 15px;
    border-bottom: 1px solid var(--color-line);
    vertical-align: top;
    line-height: 1.55;
}
.markdown-body th {
    background: var(--color-surface);
    font-weight: 700;
    color: var(--color-ink);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
}
.markdown-body tr:last-child td { border-bottom: none; }
.markdown-body td { color: var(--color-ink-soft); }
.markdown-body td strong { color: var(--color-ink); }

/* rubric table (提交版附录) */
.rubric-table th {
    width: 9em;
    white-space: nowrap;
    background: var(--color-surface);
}
.rubric-table td { font-weight: 600; color: var(--color-ink); }

/* submission sub-points (其一/其二) */
.markdown-body ol.sub-points {
    list-style: none;
    counter-reset: subp;
    padding-left: 0;
    margin: 0 0 16px;
}
.markdown-body ol.sub-points li {
    counter-increment: subp;
    position: relative;
    padding: 6px 0 6px 30px;
    border-top: 1px solid var(--color-line-soft);
}
.markdown-body ol.sub-points li:first-child { border-top: none; }
.markdown-body ol.sub-points li::before {
    content: counter(subp);
    position: absolute;
    left: 0;
    top: 7px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-accent);
    width: 19px;
    height: 19px;
    line-height: 19px;
    text-align: center;
    border-radius: 50%;
}
.appendix-title { color: var(--color-muted); }

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--color-line);
    background: var(--color-surface);
    padding: 36px 0 28px;
    color: var(--color-muted);
    font-size: 0.84rem;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer p { margin: 0; }
.footer .meta { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.04em; }

/* =========================================
   Responsive — 1000px / 700px 两断点
   ========================================= */
@media (max-width: 1000px) {
    .container, .container-narrow { padding: 0 24px; }
    .index-main { padding: 32px 24px 64px; }
    .doc { padding: 32px 24px 64px; }
}

@media (max-width: 700px) {
    .container, .container-narrow { padding: 0 18px; }
    .hero { padding: 48px 0 32px; }
    .header-inner { height: 54px; }
    .brand span:not(.brand-mark) { font-size: 0.88rem; }
    .index-main { padding: 24px 18px 56px; }
    .doc { padding: 24px 18px 56px; }

    .paper-nav { top: 54px; }

    .paper-card { padding: 20px 18px; }
    .pc-head { flex-direction: column; gap: 14px; }
    .pc-head-side { align-items: flex-start; }
    .pc-title { font-size: 1.18rem; }

    /* 问题行：手机上改为三行布局（徽章+id 同行 / 标题 / 链接）*/
    .op-row {
        grid-template-columns: auto auto 1fr;
        gap: 6px 10px;
        padding: 12px 14px;
    }
    .op-sev { grid-column: 1; grid-row: 1; align-self: center; }
    .op-id { grid-column: 2; grid-row: 1; align-self: center; }
    .op-title { grid-column: 1 / -1; grid-row: 2; }
    .op-link {
        grid-column: 1 / -1;
        grid-row: 3;
        text-align: right;
        margin-top: 2px;
    }
    .type-tag { margin-left: 6px; }

    .overview-bar { gap: 18px; }
    .ov-num { font-size: 1.4rem; }

    .markdown-body h2 { font-size: 1.3rem; }
    .markdown-body { font-size: 0.97rem; }
    .doc-bottomnav .btn, .pc-foot-links .btn { flex: 1 1 auto; text-align: center; }
}

/* --- Print --- */
@media print {
    .site-header, .paper-nav, .footer, .doc-topnav, .doc-bottomnav,
    .pc-foot-links, .op-link, .legend, .pn-links { display: none; }
    body { background: #fff; }
    a { color: #000; }
    .hero { padding: 0 0 16px; border: none; }
    .paper-card {
        border: 1px solid #ccc;
        box-shadow: none;
        page-break-inside: avoid;
        margin-bottom: 16px;
    }
    .op-row:hover { background: #fff; }
    .markdown-body h2, .markdown-body h3 { page-break-after: avoid; }
    .table-wrap, .markdown-body blockquote.cmp-callout { page-break-inside: avoid; }
}