:root {
    --ink: #0f1117;
    --paper: #f7f4ee;
    --paper-warm: #ede9df;
    --accent: #c8622a;
    --accent-light: #f0936a;
    --accent-faint: rgba(200,98,42,0.08);
    --accent-faint2: rgba(200,98,42,0.14);
    --muted: #7a7468;
    --border: #d4cfc5;
    --border-soft: #e8e4dc;
    --card-shadow: 0 1px 3px rgba(15,17,23,0.07), 0 8px 28px rgba(15,17,23,0.07);
    --green: #2d6a1f;
    --green-bg: #edf7e6;
    --green-border: #b8dfa8;
    --blue: #1e4d8c;
    --blue-bg: #e8f0fe;
    --blue-border: #b3ccf5;
    --amber: #92580a;
    --amber-bg: #fef3dc;
    --amber-border: #f5d48a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--paper);
    color: var(--ink);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* breadcrumb */
.breadcrumb {
    padding: 1rem 3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--muted);
    border-bottom: 1px solid var(--border-soft);
    background: #fff;
}
.breadcrumb a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.4; }
.breadcrumb-current { color: var(--ink); font-weight: 500; }

/* page layout */
.page-wrap {
    flex: 1;
    max-width: 1060px;
    margin: 0 auto;
    padding: 2.5rem 2rem 3rem;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
    width: 100%;
}

.detail-main { min-width: 0; }

/* seo links */
.seo-links-block {
    background: #fff;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 1.2rem 1.6rem 1.4rem;
    margin-top: 1.5rem;
}
.seo-links-title {
    font-size: 0.68rem;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.75rem;
}
.seo-links-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.seo-link-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.83rem;
    color: var(--muted);
    text-decoration: none;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-soft);
    transition: color 0.15s;
    cursor: pointer;
}
.seo-link-item:last-child { border-bottom: none; }
.seo-link-item strong { color: var(--accent); font-weight: 600; }
.seo-link-item svg { color: var(--border); flex-shrink: 0; margin-left: auto; transition: transform 0.18s, color 0.18s; }
.seo-link-item:hover { color: var(--ink); }
.seo-link-item:hover svg { color: var(--accent); transform: translateX(3px); }

/* detail header */
.detail-header {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2rem 2.2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}
.detail-header::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: 4px 0 0 4px;
}

.detail-top-meta { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; }

.meta-badge {
    font-size: 0.68rem;
    font-family: 'IBM Plex Mono', monospace;
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    font-weight: 500;
    letter-spacing: 0.04em;
}
.badge-std   { background: var(--blue-bg);   color: var(--blue);  border: 1px solid var(--blue-border); }
.badge-local { background: var(--amber-bg);  color: var(--amber); border: 1px solid var(--amber-border); }
.badge-cn    { background: var(--green-bg);  color: var(--green); border: 1px solid var(--green-border); }

.detail-code-row { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.detail-code { font-family: 'IBM Plex Mono', monospace; font-size: 2rem; font-weight: 500; color: var(--accent); letter-spacing: 0.04em; line-height: 1; }
.detail-title { font-family: 'Noto Serif SC', serif; font-size: 1.55rem; font-weight: 600; color: var(--ink); line-height: 1.3; }

.detail-id-row {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border-soft);
    flex-wrap: wrap;
}
.detail-id-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.75rem; color: var(--muted); }
.detail-id-item strong { font-family: 'IBM Plex Mono', monospace; color: var(--ink); font-weight: 500; font-size: 0.8rem; }
.id-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border); }

/* sections */
.section-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.6rem 2rem;
    margin-bottom: 1.2rem;
    box-shadow: var(--card-shadow);
}

.section-label {
    font-size: 0.68rem;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border-soft); }

.section-text { font-size: 0.92rem; color: #3a3630; line-height: 1.75; white-space: pre-wrap; }

.include-list, .exclude-list { list-style: none; padding: 0; }

.include-list li {
    display: flex; align-items: baseline; gap: 0.6rem;
    padding: 0.35rem 0; font-size: 0.88rem; color: #3a3630;
    line-height: 1.5; border-bottom: 1px solid var(--border-soft);
}
.include-list li:last-child { border-bottom: none; }
.include-list li::before { content: '›'; color: var(--accent); font-size: 1rem; flex-shrink: 0; font-weight: 600; }

.exclude-list li {
    display: flex; align-items: baseline; gap: 0.6rem;
    padding: 0.35rem 0; font-size: 0.85rem; color: var(--muted);
    line-height: 1.5; border-bottom: 1px solid var(--border-soft);
}
.exclude-list li:last-child { border-bottom: none; }
.exclude-list li::before { content: '✕'; color: #ccc; font-size: 0.65rem; flex-shrink: 0; margin-top: 3px; }

.exclude-ref {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    background: var(--paper);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
    color: var(--blue);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
    display: inline-block;
}
.exclude-ref:hover { background: var(--blue-bg); }

.empty-field { font-size: 0.82rem; color: #c0bbb4; font-style: italic; }

/* sidebar */
.detail-sidebar { position: sticky; top: 80px; }

.meta-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.4rem 1.6rem;
    margin-bottom: 1.2rem;
    box-shadow: var(--card-shadow);
}
.meta-card-title {
    font-size: 0.68rem; font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
    font-weight: 500; margin-bottom: 1rem; padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border-soft);
}
.meta-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.5rem 0; border-bottom: 1px solid var(--border-soft); gap: 3rem;
}
.meta-row:last-child { border-bottom: none; padding-bottom: 0; }
.meta-key { font-size: 0.75rem; color: var(--muted); flex-shrink: 0; }
.meta-val { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--ink); font-weight: 500; text-align: right; }
.meta-val.parent-link { color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

/* convert card */
.convert-card {
    background: var(--ink);
    border-radius: 14px;
    padding: 1.6rem;
    box-shadow: 0 4px 24px rgba(15,17,23,0.18);
    position: relative;
    overflow: visible;
}
.convert-card-glow {
    position: absolute; top: -40px; right: -40px;
    width: 120px; height: 120px; border-radius: 50%;
    background: radial-gradient(circle, rgba(200,98,42,0.3) 0%, transparent 70%);
    pointer-events: none;
}
.convert-title { font-family: 'Playfair Display', serif; font-size: 1.05rem; color: #fff; margin-bottom: 0.3rem; }
.convert-subtitle { font-size: 0.75rem; color: rgba(255,255,255,0.45); margin-bottom: 1.2rem; line-height: 1.5; }
.convert-label { font-size: 0.65rem; font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 0.45rem; display: block; }

.dark-dd-wrap { position: relative; user-select: none; margin-bottom: 1rem; }
.dark-dd-trigger {
    display: flex; align-items: center; gap: 0.7rem;
    border: 1.5px solid rgba(255,255,255,0.15); border-radius: 9px;
    padding: 0.65rem 0.9rem; background: rgba(255,255,255,0.07);
    cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.dark-dd-trigger:hover { border-color: rgba(200,98,42,0.5); background: rgba(255,255,255,0.1); }
.dark-dd-trigger.open { border-color: var(--accent); background: rgba(255,255,255,0.1); }
.dark-dd-flag { font-size: 1rem; flex-shrink: 0; }
.dark-dd-text { flex: 1; min-width: 0; }
.dark-dd-name { font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; font-weight: 500; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dark-dd-desc { font-size: 0.65rem; color: rgba(255,255,255,0.4); margin-top: 1px; }
.dark-chevron { flex-shrink: 0; color: rgba(255,255,255,0.4); transition: transform 0.2s; }
.dark-dd-trigger.open .dark-chevron { transform: rotate(180deg); }

.dark-dd-panel {
    display: none; position: fixed;
    background: #1e2130; border: 1.5px solid var(--accent); border-radius: 9px;
    z-index: 9999; overflow-y: auto; max-height: 260px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.4); min-width: 240px;
    scrollbar-width: thin; scrollbar-color: rgba(200,98,42,0.4) transparent;
}
.dark-dd-panel::-webkit-scrollbar { width: 4px; }
.dark-dd-panel::-webkit-scrollbar-track { background: transparent; }
.dark-dd-panel::-webkit-scrollbar-thumb { background: rgba(200,98,42,0.4); border-radius: 99px; }
.dark-dd-panel.open { display: block; animation: dropIn 0.15s ease; }

.dark-dd-group-label {
    font-size: 0.6rem; font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.12em;
    text-transform: uppercase; color: rgba(255,255,255,0.3);
    padding: 0.55rem 0.9rem 0.25rem; border-top: 1px solid rgba(255,255,255,0.07);
}
.dark-dd-group-label:first-child { border-top: none; }
.dark-dd-option { display: flex; align-items: center; gap: 0.65rem; padding: 0.6rem 0.9rem; cursor: pointer; transition: background 0.12s; }
.dark-dd-option:hover { background: rgba(255,255,255,0.06); }
.dark-dd-option.selected { background: rgba(200,98,42,0.12); }
.dark-opt-flag { font-size: 0.9rem; flex-shrink: 0; }
.dark-opt-body { flex: 1; min-width: 0; }
.dark-opt-name { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; font-weight: 500; color: rgba(255,255,255,0.85); }
.dark-dd-option.selected .dark-opt-name { color: var(--accent-light); }
.dark-opt-desc { font-size: 0.62rem; color: rgba(255,255,255,0.35); margin-top: 1px; }
.dark-opt-check { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,0.2); flex-shrink: 0; }
.dark-dd-option.selected .dark-opt-check { background: var(--accent); border-color: var(--accent); }

.convert-btn {
    width: 100%; background: var(--accent); color: #fff; border: none; border-radius: 9px;
    padding: 0.85rem; font-size: 0.85rem; font-family: 'DM Sans', sans-serif;
    font-weight: 600; letter-spacing: 0.05em; cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.convert-btn:hover { background: #b5531f; }
.convert-btn:active { transform: scale(0.98); }
.convert-btn:disabled { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.3); cursor: not-allowed; transform: none; }

.btn-spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; display: none; }
.btn-spinner.active { display: block; }

/* results */
#convert-results { margin-top: 1.5rem; display: none; }

.result-section-header { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; flex-wrap: wrap; }
.result-section-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; color: var(--ink); }
.result-method-badge {
    font-size: 0.65rem; font-family: 'IBM Plex Mono', monospace;
    padding: 0.2rem 0.6rem; border-radius: 4px;
    background: var(--green-bg); color: var(--green); border: 1px solid var(--green-border); letter-spacing: 0.05em;
}
.result-latency { margin-left: auto; font-size: 0.72rem; color: var(--muted); font-family: 'IBM Plex Mono', monospace; }

.excluded-notice {
    background: var(--amber-bg); border: 1px solid var(--amber-border);
    border-radius: 10px; padding: 1rem 1.2rem; margin-top: 1rem;
    display: flex; gap: 0.75rem; align-items: flex-start;
}
.excluded-icon { font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.excluded-text { font-size: 0.8rem; color: var(--amber); line-height: 1.6; }
.excluded-label { font-size: 0.65rem; font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--amber); opacity: 0.7; margin-bottom: 0.3rem; font-weight: 500; }

.match-card {
    background: #fff; border: 1px solid var(--border); border-radius: 12px;
    padding: 1.4rem 1.6rem 1rem; margin-bottom: 1rem;
    box-shadow: var(--card-shadow); position: relative; overflow: hidden;
    animation: slideUp 0.3s ease both;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.match-card:hover { border-color: rgba(200,98,42,0.25); box-shadow: 0 4px 20px rgba(15,17,23,0.09); }

.confidence-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px; }
.conf-high   { background: linear-gradient(180deg, #4caf50, #66bb6a); }
.conf-medium { background: linear-gradient(180deg, #ff9800, #ffa726); }
.conf-low    { background: linear-gradient(180deg, #9e9e9e, #bdbdbd); }
.conf-zero   { background: linear-gradient(180deg, #e0e0e0, #eeeeee); }

.match-top { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 0.9rem; }

.match-code {
    font-family: 'IBM Plex Mono', monospace; font-size: 1.15rem; font-weight: 500; color: var(--ink);
    background: var(--paper); border: 1px solid var(--border); border-radius: 6px;
    padding: 0.25rem 0.7rem; white-space: nowrap; flex-shrink: 0;
}

.match-title-wrap { flex: 1; min-width: 0; }
.match-title { font-size: 0.95rem; font-weight: 600; color: var(--ink); margin-bottom: 0.3rem; }

.confidence-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.conf-label { font-size: 0.68rem; color: var(--muted); font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.05em; }
.conf-track { flex: 1; height: 5px; background: var(--paper-warm); border-radius: 99px; overflow: hidden; max-width: 100px; }
.conf-fill { height: 100%; border-radius: 99px; transition: width 0.6s ease; }
.fill-high   { background: #4caf50; }
.fill-medium { background: #ff9800; }
.fill-low    { background: #9e9e9e; }
.fill-zero   { background: #e0e0e0; }
.conf-score { font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; font-weight: 500; min-width: 32px; }
.score-high   { color: #2e7d32; }
.score-medium { color: #e65100; }
.score-low    { color: #757575; }
.score-zero   { color: #bdbdbd; }

.excluded-badge {
    display: inline-flex; align-items: center; gap: 0.3rem;
    font-size: 0.62rem; font-family: 'IBM Plex Mono', monospace;
    padding: 0.18rem 0.55rem; border-radius: 4px; letter-spacing: 0.04em;
    background: #fef3dc; color: #92580a; border: 1px solid #f5d48a;
    margin-left: 0.3rem;
}

.match-reason {
    font-size: 0.82rem; color: #5a5550; line-height: 1.7;
    background: var(--paper); border-radius: 8px; padding: 0.75rem 0.9rem;
    border-left: 3px solid var(--border); position: relative;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease, margin 0.3s ease;
    margin-top: 0;
}
.match-reason.open { max-height: 800px; opacity: 1; margin-top: 0.6rem; }

.match-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.6rem;
    border-top: 1px solid var(--border-soft);
    gap: 0.5rem;
    flex-wrap: wrap;
}

.match-reason-toggle {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.73rem; color: var(--muted); cursor: pointer;
    font-weight: 500; background: none; border: none; padding: 0;
    font-family: 'DM Sans', sans-serif; transition: color 0.15s;
}
.match-reason-toggle:hover { color: var(--accent); }
.toggle-arrow { display: inline-block; transition: transform 0.3s cubic-bezier(0.4,0,0.2,1); font-size: 0.8rem; }
.toggle-arrow.rotated { transform: rotate(180deg); }

.match-votes {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.vote-btn {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.28rem 0.65rem; border-radius: 6px;
    font-size: 0.72rem; font-family: 'DM Sans', sans-serif; font-weight: 500;
    border: 1px solid var(--border); background: transparent; cursor: pointer;
    color: var(--muted); transition: all 0.18s; user-select: none;
}
.vote-btn:hover { border-color: rgba(200,98,42,0.35); color: var(--accent); background: var(--accent-faint); }
.vote-btn.voted-up   { border-color: #4caf50; color: #2e7d32; background: #f0faf0; }
.vote-btn.voted-down { border-color: #ef9a9a; color: #c62828; background: #fff5f5; }

.vote-count { font-family: 'IBM Plex Mono', monospace; font-size: 0.68rem; min-width: 8px; text-align: center; }

.no-exact-match-card {
    background: linear-gradient(135deg, #f0f6ff 0%, #e8f0fe 100%);
    border: 1px solid var(--blue-border);
    border-radius: 12px;
    padding: 1.6rem 2rem 1.8rem;
    margin-top: 1rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 2px 12px rgba(30,77,140,0.08);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.35s ease both;
    text-align: center;
}
.no-exact-match-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), #5a9bd5);
    border-radius: 4px 4px 0 0;
}
.no-exact-match-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--blue-bg);
    border: 1.5px solid var(--blue-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}
.no-exact-match-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 0.55rem;
    line-height: 1.4;
}
.no-exact-match-desc {
    font-size: 0.82rem;
    color: #4a5568;
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto;
}
.no-exact-match-desc strong {
    color: var(--blue);
    font-weight: 600;
}
.nem-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.1rem;
    padding: 0.55rem 1.3rem;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(30,77,140,0.2);
}
.nem-contact-btn:hover {
    background: #1a3f6e;
    box-shadow: 0 4px 14px rgba(30,77,140,0.3);
    transform: translateY(-1px);
}

.error-notice {
    background: #fef2f2; border: 1px solid #fca5a5; border-radius: 10px;
    padding: 1rem 1.2rem; display: flex; gap: 0.75rem; align-items: flex-start; margin-top: 1rem;
}
.error-text { font-size: 0.82rem; color: #b91c1c; line-height: 1.6; }

.skeleton-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 1.4rem 1.6rem; margin-bottom: 1rem; box-shadow: var(--card-shadow); }
.skeleton-line { height: 12px; background: linear-gradient(90deg, var(--paper-warm) 25%, var(--border-soft) 50%, var(--paper-warm) 75%); background-size: 200% 100%; animation: shimmer 1.4s ease infinite; border-radius: 6px; margin-bottom: 0.6rem; }
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.tall { height: 60px; }

@keyframes dropIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }

.match-card:nth-child(1) { animation-delay: 0s; }
.match-card:nth-child(2) { animation-delay: 0.07s; }
.match-card:nth-child(3) { animation-delay: 0.14s; }
.match-card:nth-child(4) { animation-delay: 0.21s; }
.match-card:nth-child(5) { animation-delay: 0.28s; }

@media (max-width: 860px) {
    .page-wrap { grid-template-columns: 1fr; padding: 1.5rem 1.2rem; }
    .detail-sidebar { position: static; }
    .breadcrumb { padding-left: 1.2rem; padding-right: 1.2rem; }
    .detail-code { font-size: 1.5rem; }
    .detail-title { font-size: 1.2rem; }
}