/* ==========================================================
   A6 · 欧盟AI法案分级 —— 「欧盟文件」设计系统
   米白 + 欧盟蓝 + 星黄；正式抬头、蓝色分隔线、星点纹与四象限矩阵。
   ========================================================== */
.eua-page, .eua-modal, .eua-toast {
    --eua-bg: #fbfbf7;
    --eua-card: #ffffff;
    --eua-card2: #f6f7fb;
    --eua-ink: #1a2030;
    --eua-ink2: #4e576c;
    --eua-ink3: #8b93a5;
    --eua-blue: #003399;
    --eua-blue-soft: #e8edfb;
    --eua-star: #f5b800;
    --eua-star-soft: #fff6d8;
    --eua-red: #a52128;
    --eua-red-soft: #fbe8e8;
    --eua-orange: #a85c10;
    --eua-green: #1d6b52;
    --eua-line: #d9dce6;
    --eua-line2: #ebedf3;
    --eua-shadow: 0 2px 0 rgba(0, 51, 153, .05), 0 12px 28px rgba(0, 51, 153, .07);
}
:root[data-theme="dark"] .eua-page,
:root[data-theme="dark"] .eua-modal,
:root[data-theme="dark"] .eua-toast {
    --eua-bg: #0e1119;
    --eua-card: #181c28;
    --eua-card2: #202638;
    --eua-ink: #eef1f8;
    --eua-ink2: #b3bcd0;
    --eua-ink3: #838da4;
    --eua-blue: #8fa9ff;
    --eua-blue-soft: #1e2a4d;
    --eua-star: #f7cb52;
    --eua-star-soft: #3a3218;
    --eua-red: #ff8e8e;
    --eua-red-soft: #3b2022;
    --eua-orange: #efae6b;
    --eua-green: #6ec7a2;
    --eua-line: #31384c;
    --eua-line2: #262d3e;
    --eua-shadow: 0 2px 0 rgba(0, 0, 0, .3), 0 12px 28px rgba(0, 0, 0, .36);
}

.eua-page {
    background: var(--eua-bg); color: var(--eua-ink);
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 14.5px; line-height: 1.85; padding: 26px 0 56px; min-height: 60vh;
}
.eua-wrap { max-width: 1220px; margin: 0 auto; padding: 0 22px; }
.eua-page b, .eua-page strong { color: var(--eua-blue); font-weight: 700; }
.eua-page .detail-breadcrumb { background: transparent; margin-bottom: 20px; font-size: 12.5px; }

.eua-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 0; border: 1px solid var(--eua-line); background: var(--eua-card); box-shadow: var(--eua-shadow); }
.eua-hero-copy { padding: 28px 30px 22px; }
.eua-kicker { display: inline-block; font-size: 11px; letter-spacing: .18em; color: var(--eua-blue); border-top: 3px solid var(--eua-blue); padding-top: 7px; margin-bottom: 15px; }
.eua-hero h1 { font-size: clamp(29px, 3.2vw, 40px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 11px; }
.eua-sub { font-size: 14px; line-height: 1.95; color: var(--eua-ink2); margin: 0 0 20px; }
.eua-hero-form { border-top: 1px solid var(--eua-line2); padding-top: 15px; }
.eua-label { display: block; font-size: 12px; color: var(--eua-ink3); font-weight: 700; margin-bottom: 7px; }
.eua-input-row { display: flex; gap: 9px; }
.eua-input { flex: 1 1 auto; min-width: 0; height: 43px; padding: 0 12px; border: 1px solid var(--eua-line); background: var(--eua-card2); color: var(--eua-ink); font: 14px inherit; font-family: inherit; outline: none; }
.eua-input:focus { border-color: var(--eua-blue); box-shadow: 0 0 0 3px var(--eua-blue-soft); }
.eua-form-note { min-height: 17px; margin: 6px 0 0; font-size: 12px; color: var(--eua-red); }
.eua-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 7px 15px; border: 1px solid var(--eua-blue); background: var(--eua-card); color: var(--eua-blue); font: 600 12.5px inherit; font-family: inherit; cursor: pointer; white-space: nowrap; transition: background .15s, transform .15s; }
.eua-btn:hover { background: var(--eua-blue-soft); transform: translateY(-1px); }
.eua-btn--main { height: 43px; padding: 0 22px; background: var(--eua-blue); color: #fff; font-size: 14px; }
:root[data-theme="dark"] .eua-btn--main { color: #0b1230; }
.eua-btn--ghost { border-color: var(--eua-line); color: var(--eua-ink2); background: transparent; }
.eua-btn--sm { min-height: 27px; padding: 3px 10px; font-size: 11.5px; }
.eua-btn:disabled { opacity: .55; cursor: not-allowed; }
.eua-hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 17px; border-top: 1px solid var(--eua-line2); }
.eua-fact { padding: 11px 12px 0; border-right: 1px solid var(--eua-line2); min-width: 0; }
.eua-fact:last-child { border-right: 0; }
.eua-fact b { display: block; font-size: 19px; font-weight: 800; line-height: 1.4; word-break: break-all; }
.eua-fact span { font-size: 10.5px; color: var(--eua-ink3); }
.eua-fact--hot b { color: var(--eua-red); font-size: 16px; }

.eua-matrix-box { background: var(--eua-blue-soft); border-left: 1px solid var(--eua-line); padding: 18px 18px 13px;
    background-image: radial-gradient(circle, rgba(0, 51, 153, .13) 1.5px, transparent 1.6px); background-size: 22px 22px; }
:root[data-theme="dark"] .eua-matrix-box { background-image: radial-gradient(circle, rgba(143, 169, 255, .18) 1.5px, transparent 1.6px); }
.eua-matrix-head { display: flex; justify-content: space-between; align-items: baseline; background: var(--eua-card); border-bottom: 3px solid var(--eua-star); padding: 8px 11px; }
.eua-matrix-head b { font-size: 13px; color: var(--eua-blue); }
.eua-matrix-head span { font-size: 10.5px; color: var(--eua-ink3); }
.eua-matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px 0; }
.eua-quad { background: var(--eua-card); border: 1px solid var(--eua-line); padding: 12px 12px; min-height: 96px; cursor: pointer; position: relative; transition: border-color .18s, transform .18s; }
.eua-quad:hover { transform: translateY(-2px); }
.eua-quad.is-on { border: 2px solid var(--eua-blue); box-shadow: 0 6px 18px rgba(0, 51, 153, .15); }
.eua-quad-tag { display: inline-block; font-size: 10px; letter-spacing: .06em; padding: 2px 7px; background: var(--card, var(--eua-card2)); }
.eua-quad h3 { font-size: 13.5px; margin: 6px 0 4px; }
.eua-quad p { margin: 0; font-size: 11px; line-height: 1.65; color: var(--eua-ink3); }
.eua-quad.is-prohibited .eua-quad-tag { background: var(--eua-red-soft); color: var(--eua-red); }
.eua-quad.is-high .eua-quad-tag { background: #ffeeda; color: var(--eua-orange); }
:root[data-theme="dark"] .eua-quad.is-high .eua-quad-tag { background: #3a2a17; }
.eua-quad.is-limited .eua-quad-tag { background: var(--eua-star-soft); color: #8a6500; }
:root[data-theme="dark"] .eua-quad.is-limited .eua-quad-tag { color: var(--eua-star); }
.eua-quad.is-minimal .eua-quad-tag { background: #e4f2ec; color: var(--eua-green); }
:root[data-theme="dark"] .eua-quad.is-minimal .eua-quad-tag { background: #17342a; }
.eua-matrix-foot { font-size: 10.5px; color: var(--eua-ink3); text-align: center; background: var(--eua-card); padding: 8px 6px; }

.eua-quick { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 16px 0 22px; padding: 11px 14px; background: var(--eua-card); border: 1px solid var(--eua-line); border-left: 4px solid var(--eua-star); }
.eua-quick-label { font-size: 12px; color: var(--eua-ink3); font-weight: 700; }
.eua-chip { border: 1px solid var(--eua-line); background: var(--eua-card2); color: var(--eua-ink2); padding: 5px 12px; font: 600 12px inherit; font-family: inherit; cursor: pointer; }
.eua-chip:hover { border-color: var(--eua-blue); color: var(--eua-blue); }

.eua-body { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 20px; align-items: start; }
.eua-body > * { min-width: 0; }
.eua-panel, .eua-card, .eua-verdict, .eua-ai, .eua-ban { background: var(--eua-card); border: 1px solid var(--eua-line); box-shadow: var(--eua-shadow); }
.eua-panel { padding: 18px 19px; position: sticky; top: 16px; }
.eua-panel-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 3px solid var(--eua-blue); padding-bottom: 8px; margin-bottom: 10px; }
.eua-panel-head--sub { margin-top: 22px; border-bottom-width: 1px; }
.eua-panel-head h2 { font-size: 15.5px; margin: 0; }
.eua-panel-head span { font-size: 11px; color: var(--eua-ink3); }
.eua-hint { font-size: 11.5px; line-height: 1.8; color: var(--eua-ink3); margin: 0 0 12px; }
.eua-hint--tight { margin: 10px 0 0; }
.eua-uses { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.eua-use { border: 1px solid var(--eua-line); background: var(--eua-card2); color: var(--eua-ink2); padding: 8px 9px; text-align: left; font: 600 11.5px/1.45 inherit; font-family: inherit; cursor: pointer; }
.eua-use:hover { border-color: var(--eua-blue); }
.eua-use.is-on { background: var(--eua-blue); border-color: var(--eua-blue); color: #fff; }
:root[data-theme="dark"] .eua-use.is-on { color: #0b1230; }
.eua-use small { display: block; font-weight: 400; font-size: 10px; opacity: .8; }
.eua-roles { display: grid; gap: 5px; }
.eua-role { display: flex; align-items: flex-start; gap: 8px; border: 1px solid var(--eua-line); padding: 8px 10px; font-size: 12px; cursor: pointer; }
.eua-role input { margin: 4px 0 0; accent-color: var(--eua-blue); }
.eua-role.is-on { border-color: var(--eua-blue); background: var(--eua-blue-soft); }
.eua-role b { display: block; }
.eua-role small { color: var(--eua-ink3); font-size: 10.5px; }

.eua-result { display: grid; gap: 15px; }
.eua-verdict { display: flex; align-items: center; gap: 16px; padding: 16px 19px; border-left: 5px solid var(--eua-line); }
.eua-verdict.is-prohibited { border-left-color: var(--eua-red); }
.eua-verdict.is-high { border-left-color: var(--eua-orange); }
.eua-verdict.is-limited { border-left-color: var(--eua-star); }
.eua-verdict.is-minimal { border-left-color: var(--eua-green); }
.eua-verdict-badge { width: 54px; height: 54px; flex: 0 0 auto; display: grid; place-items: center; background: var(--eua-blue-soft); color: var(--eua-blue); font-size: 18px; font-weight: 800; border-radius: 50%; }
.eua-verdict.is-prohibited .eua-verdict-badge { background: var(--eua-red-soft); color: var(--eua-red); }
.eua-verdict.is-high .eua-verdict-badge { background: #ffeeda; color: var(--eua-orange); }
:root[data-theme="dark"] .eua-verdict.is-high .eua-verdict-badge { background: #3a2a17; }
.eua-verdict-copy { min-width: 0; }
.eua-verdict-tag { display: inline-block; font-size: 11px; color: var(--eua-blue); background: var(--eua-blue-soft); padding: 2px 9px; margin-bottom: 6px; }
.eua-verdict-copy h2 { font-size: 16.5px; margin: 0 0 4px; }
.eua-verdict-copy p { margin: 0; font-size: 12.5px; color: var(--eua-ink2); line-height: 1.85; }
.eua-ban { padding: 14px 18px; border-left: 5px solid var(--eua-red); background: var(--eua-red-soft); }
.eua-ban[hidden] { display: none !important; }
.eua-ban b { display: block; color: var(--eua-red); font-size: 14px; margin-bottom: 4px; }
.eua-ban p { margin: 0; font-size: 12.5px; line-height: 1.85; color: var(--eua-ink2); }

.eua-card { padding: 16px 19px; }
.eua-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; border-bottom: 1px solid var(--eua-line2); padding-bottom: 10px; margin-bottom: 12px; }
.eua-card-head h2 { font-size: 15px; margin: 0; }
.eua-mini { font-size: 11px; color: var(--eua-ink3); white-space: nowrap; }
.eua-duties { display: grid; gap: 12px; }
.eua-duty-group > b { display: block; font-size: 12.5px; color: var(--eua-blue); border-bottom: 1px dashed var(--eua-line); padding-bottom: 5px; margin-bottom: 7px; }
.eua-duty { display: flex; align-items: flex-start; gap: 9px; font-size: 12.5px; padding: 5px 0; cursor: pointer; }
.eua-duty input { margin: 5px 0 0; accent-color: var(--eua-blue); }
.eua-duty span small { display: block; color: var(--eua-ink3); font-size: 11px; line-height: 1.7; }
.eua-duty.is-done { color: var(--eua-ink3); text-decoration: line-through; }
.eua-empty { font-size: 12.5px; color: var(--eua-ink3); margin: 0; }
.eua-timeline { display: grid; gap: 0; }
.eua-step { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 10px; padding-bottom: 12px; position: relative; }
.eua-step:not(:last-child)::before { content: ""; position: absolute; left: 11px; top: 22px; bottom: 0; width: 2px; background: var(--eua-line); }
.eua-step-dot { width: 22px; height: 22px; display: grid; place-items: center; background: var(--eua-blue); color: #fff; font-size: 10px; font-weight: 700; border-radius: 50%; z-index: 1; }
:root[data-theme="dark"] .eua-step-dot { color: #0b1230; }
.eua-step b { font-size: 12.5px; }
.eua-step p { margin: 2px 0 0; font-size: 11.5px; color: var(--eua-ink2); line-height: 1.75; }
.eua-table-scroll { overflow-x: auto; }
.eua-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.eua-table th, .eua-table td { text-align: left; padding: 8px 9px; border-bottom: 1px solid var(--eua-line2); vertical-align: top; }
.eua-table th { font-size: 11px; color: var(--eua-ink3); white-space: nowrap; }
.eua-table td { color: var(--eua-ink2); word-break: break-all; }
.eua-del { border: 0; background: transparent; color: var(--eua-red); cursor: pointer; font-size: 12px; }
.eua-ai { padding: 15px 19px; border-left: 5px solid var(--eua-star); }
.eua-ai-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.eua-ai-head h2 { font-size: 15px; margin: 0 0 3px; }
.eua-ai-head p { margin: 0; font-size: 11.5px; color: var(--eua-ink3); }
.eua-btn-ai { border-color: var(--eua-orange); color: var(--eua-orange); }
.eua-ai-status { font-size: 11.5px; color: var(--eua-ink2); margin-top: 10px; min-height: 18px; }
.eua-ai-box { margin-top: 10px; border-top: 1px dashed var(--eua-line); padding-top: 10px; }
.eua-ai-box[hidden] { display: none !important; }
.eua-ai-box p { margin: 0 0 8px; font-size: 12.5px; line-height: 1.9; color: var(--eua-ink2); }
.eua-toolbar { display: flex; flex-wrap: wrap; gap: 9px; }

.eua-modal { position: fixed; inset: 0; z-index: 900; display: flex; align-items: center; justify-content: center; background: rgba(12, 16, 30, .6); padding: 20px; }
.eua-modal[hidden] { display: none !important; }
.eua-sheet { width: min(520px, 100%); background: var(--eua-card); border: 1px solid var(--eua-line); border-top: 4px solid var(--eua-blue); padding: 23px 25px; box-shadow: var(--eua-shadow); }
.eua-sheet h3 { font-size: 17.5px; margin: 0 0 8px; }
.eua-sheet p { font-size: 12.5px; color: var(--eua-ink2); line-height: 1.85; margin: 0 0 14px; }
.eua-sheet-code { display: block; word-break: break-all; background: var(--eua-card2); border: 1px solid var(--eua-line); padding: 10px 11px; font: 11px/1.7 Consolas, monospace; color: var(--eua-blue); max-height: 110px; overflow: auto; }
.eua-sheet-actions { display: flex; gap: 9px; margin-top: 16px; }
.eua-toast { position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 12px); z-index: 950; background: var(--eua-blue); color: #fff; padding: 9px 18px; font-size: 12.5px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.eua-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 980px) {
    .eua-hero, .eua-body { grid-template-columns: minmax(0, 1fr); }
    .eua-matrix-box { border-left: 0; border-top: 1px solid var(--eua-line); }
    .eua-panel { position: static; }
}
@media (max-width: 600px) {
    .eua-wrap { padding: 0 14px; }
    .eua-hero-copy, .eua-panel, .eua-card, .eua-verdict, .eua-ai { padding: 15px 13px; }
    .eua-hero h1 { font-size: 25px; }
    .eua-sub { font-size: 13px; }
    .eua-input-row { flex-direction: column; }
    .eua-btn--main { width: 100%; }
    .eua-matrix { gap: 5px; }
    .eua-quad { padding: 9px 8px; min-height: 84px; }
    .eua-quad p { display: none; }
    .eua-fact b { font-size: 14px; }
    .eua-fact--hot b { font-size: 12px; }
    .eua-uses { grid-template-columns: 1fr; }
    .eua-table { min-width: 0; font-size: 10.5px; }
    .eua-table th, .eua-table td { padding: 6px 4px; }
}
@media print {
    .eua-page { background: #fff; }
    .eua-hero-form, .eua-quick, .eua-toolbar, .eua-ai, .eua-modal, .eua-toast, .tskb { display: none !important; }
    .eua-body { grid-template-columns: 1fr; }
    .eua-panel, .eua-card, .eua-verdict, .eua-hero { box-shadow: none; break-inside: avoid; }
}