/* ============================================================
   高考真题查询 · 试卷纸 / 答题卡设计系统
   与金榜卷轴、航海星图、档案柜、目录手册、红头公文完全错开
   ============================================================ */
.gk-page, .gk-modal, .gk-toast {
    --g-bg: #f3efe4;
    --g-paper: #fffdf5;
    --g-paper-2: #faf6e9;
    --g-ink: #2b2b2b;
    --g-ink-2: #5c5c58;
    --g-ink-3: #8d8b80;
    --g-line: #ddd7c4;
    --g-line-soft: #ece6d4;
    --g-blue: #294a82;
    --g-blue-soft: #e5ecf7;
    --g-red: #c23b3b;
    --g-red-soft: #f8e6e3;
    --g-pencil: #6b6f75;
    --g-green: #3d7561;
    --g-shadow: 0 10px 28px rgba(83, 74, 52, .12);
    --g-shadow-sm: 0 2px 10px rgba(83, 74, 52, .08);
    --g-radius: 3px;
    --g-serif: "Kaiti SC", "STKaiti", "KaiTi", "Songti SC", "SimSun", Georgia, serif;
    --g-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    --g-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    --g-xs: 12px; --g-sm: 13.5px; --g-base: 15px; --g-md: 17px; --g-lg: 21px; --g-xl: 25px; --g-hero: 34px;
    --g-lh: 1.8;
}
:root[data-theme="dark"] .gk-page,
:root[data-theme="dark"] .gk-modal,
:root[data-theme="dark"] .gk-toast {
    --g-bg: #14161a;
    --g-paper: #1e2127;
    --g-paper-2: #252930;
    --g-ink: #eeeae0;
    --g-ink-2: #bdb9ad;
    --g-ink-3: #8b887e;
    --g-line: #3a3f47;
    --g-line-soft: #2c3138;
    --g-blue: #8fb2ea;
    --g-blue-soft: #1d2c44;
    --g-red: #ef8a7a;
    --g-red-soft: #3b2523;
    --g-pencil: #a3a8ae;
    --g-green: #79c2a3;
    --g-shadow: 0 12px 32px rgba(0, 0, 0, .46);
    --g-shadow-sm: 0 2px 12px rgba(0, 0, 0, .32);
}
.gk-page {
    min-height: 60vh; padding: 22px 16px 54px; color: var(--g-ink);
    font-family: var(--g-sans); font-size: var(--g-base); line-height: var(--g-lh);
    background: var(--g-bg);
    background-image: radial-gradient(circle at 88% 8%, rgba(41,74,130,.07), transparent 38%);
}
.gk-page *, .gk-modal * { box-sizing: border-box; }
/* 试卷纸：左侧装订线 + 打孔 */
.gk-sheet { position: relative; max-width: 1180px; margin: 0 auto; background: var(--g-paper);
    border: 1px solid var(--g-line); border-radius: var(--g-radius); box-shadow: var(--g-shadow);
    padding-left: 42px; overflow: hidden; }
.gk-sheet::before { content: ""; position: absolute; left: 30px; top: 0; bottom: 0; width: 1px;
    background: repeating-linear-gradient(180deg, var(--g-line) 0 8px, transparent 8px 14px); }
.gk-binding { position: absolute; left: 8px; top: 0; bottom: 0; width: 16px; display: flex; flex-direction: column;
    justify-content: space-around; align-items: center; padding: 40px 0; }
.gk-binding span { width: 9px; height: 9px; border-radius: 50%; background: var(--g-bg); border: 1px solid var(--g-line); box-shadow: inset 0 1px 2px rgba(0,0,0,.12); }
.gk-sheet-inner { padding: 20px 22px 30px; min-width: 0; }
.gk-page h1, .gk-page h2, .gk-page h3, .gk-modal h3 { font-family: var(--g-serif); font-weight: 700; line-height: 1.4; }
.gk-page b, .gk-page strong { color: var(--g-blue); font-weight: 700; }
.gk-page button, .gk-page input, .gk-page select, .gk-page textarea { font-family: inherit; font-size: inherit; }
.gk-page .detail-breadcrumb { margin-bottom: 14px; }

/* ---------- 首屏 ---------- */
.gk-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .62fr); gap: 24px; align-items: center;
    border-bottom: 2px solid var(--g-blue); padding-bottom: 22px; position: relative; }
.gk-seal-line { position: absolute; left: -26px; top: 6px; font-family: var(--g-serif); font-size: 11px; color: var(--g-ink-3);
    writing-mode: vertical-rl; letter-spacing: .2em; }
.gk-kicker { display: inline-block; font-size: var(--g-xs); color: var(--g-red); border: 1px dashed var(--g-red);
    border-radius: 2px; padding: 3px 10px; margin-bottom: 12px; font-family: var(--g-mono); }
.gk-hero h1 { font-size: clamp(25px, 3vw, var(--g-hero)); margin: 0 0 12px; }
.gk-sub { margin: 0 0 20px; font-size: var(--g-md); color: var(--g-ink-2); max-width: 700px; }
.gk-hero-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--g-line); border-bottom: 1px solid var(--g-line); }
.gk-metric { padding: 9px 12px; border-right: 1px solid var(--g-line-soft); text-align: center; min-width: 0; }
.gk-metric:last-child { border-right: 0; }
.gk-metric b { display: block; font-family: var(--g-mono); font-size: var(--g-xl); color: var(--g-blue); line-height: 1.2; }
.gk-metric span { font-size: var(--g-xs); color: var(--g-ink-3); }
/* 答题卡 */
.gk-card { border: 1.5px solid var(--g-pencil); border-radius: 2px; background: var(--g-paper-2); padding: 11px 12px; }
.gk-card-head { font-family: var(--g-serif); font-size: var(--g-sm); font-weight: 700; text-align: center; border-bottom: 1px solid var(--g-pencil); padding-bottom: 6px; }
.gk-card-no { font-size: 10px; color: var(--g-ink-3); text-align: center; margin: 7px 0 6px; letter-spacing: .1em; }
.gk-card-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.gk-card-grid i { display: block; height: 15px; border: 1px solid var(--g-pencil); border-radius: 2px; background: var(--g-paper); }
.gk-card-grid i.is-filled { background: var(--g-pencil); box-shadow: inset 0 0 0 2px var(--g-paper); }
.gk-card-foot { display: flex; justify-content: space-between; gap: 6px; margin-top: 8px; font-size: 10px; color: var(--g-ink-3); }

/* ---------- 口径 ---------- */
.gk-notice { display: flex; gap: 12px; align-items: flex-start; background: var(--g-red-soft); border: 1px solid var(--g-line);
    border-left: 4px solid var(--g-red); border-radius: var(--g-radius); padding: 11px 15px; margin: 14px 0 16px; }
.gk-notice-tag { flex: none; font-size: var(--g-xs); color: #fff; background: var(--g-red); border-radius: 2px; padding: 2px 8px; margin-top: 3px; }
.gk-notice p { margin: 0; font-size: var(--g-sm); color: var(--g-ink-2); }

/* ---------- 多级筛选 ---------- */
.gk-filter { background: var(--g-paper-2); border: 1px solid var(--g-line); border-radius: var(--g-radius); padding: 17px 20px 15px; margin-bottom: 16px; }
.gk-filter-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.gk-filter-head h2 { margin: 0; font-size: var(--g-lg); }
.gk-filter-head span { font-size: var(--g-xs); color: var(--g-ink-3); font-family: var(--g-mono); }
.gk-filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px 12px; }
.gk-f { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.gk-f label { font-size: var(--g-xs); color: var(--g-ink-2); font-weight: 700; }
.gk-f select { width: 100%; border: 1px solid var(--g-line); background: var(--g-paper); color: var(--g-ink);
    border-radius: 2px; padding: 8px 9px; outline: 0; font-size: var(--g-sm); }
.gk-f select:focus { border-color: var(--g-blue); box-shadow: 0 0 0 2px var(--g-blue-soft); }
.gk-filter-row { display: flex; gap: 10px; margin-top: 13px; }
.gk-search { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; border: 1px solid var(--g-line); background: var(--g-paper); border-radius: 2px; padding: 0 11px; }
.gk-search:focus-within { border-color: var(--g-blue); box-shadow: 0 0 0 2px var(--g-blue-soft); }
.gk-search > span { font-size: 21px; color: var(--g-blue); }
.gk-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--g-ink); height: 42px; }
.gk-search input::placeholder { color: var(--g-ink-3); }
.gk-search button { border: 0; background: transparent; color: var(--g-ink-3); font-size: 20px; cursor: pointer; }
.gk-btn { border: 1px solid var(--g-line); background: var(--g-paper); color: var(--g-ink); border-radius: 2px; padding: 0 15px; min-height: 38px;
    cursor: pointer; font-weight: 700; font-size: var(--g-sm); transition: .16s; white-space: nowrap; }
.gk-btn:hover { border-color: var(--g-blue); box-shadow: var(--g-shadow-sm); }
.gk-btn--main { background: var(--g-blue); border-color: var(--g-blue); color: #fff; min-height: 44px; padding: 0 24px; font-size: var(--g-base); }
.gk-btn--main:hover { background: #1d3762; }
.gk-filter-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 13px; }
.gk-filter-actions label { display: inline-flex; align-items: center; gap: 7px; font-size: var(--g-sm); color: var(--g-ink-2); }
.gk-filter-actions select, .gk-input { border: 1px solid var(--g-line); background: var(--g-paper); color: var(--g-ink); border-radius: 2px; padding: 8px 9px; outline: 0; }
.gk-flex { flex: 1; min-width: 0; }
.gk-quick { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-top: 13px; padding-top: 12px; border-top: 1px dashed var(--g-line); }
.gk-quick > span { font-size: var(--g-xs); color: var(--g-ink-3); }
.gk-quick button { border: 1px solid var(--g-line); background: var(--g-paper); color: var(--g-ink-2); border-radius: 2px; padding: 4px 11px; font-size: var(--g-xs); cursor: pointer; }
.gk-quick button:hover { border-color: var(--g-red); color: var(--g-red); background: var(--g-red-soft); }
.gk-error { margin: 12px 0 0; padding: 9px 12px; border-radius: 2px; background: var(--g-red-soft); color: var(--g-red); font-size: var(--g-sm); }

/* ---------- 卷型矩阵 ---------- */
.gk-matrix { background: var(--g-paper); border: 1px solid var(--g-line); border-radius: var(--g-radius); padding: 17px 20px; margin-bottom: 16px; }
.gk-section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 14px; margin-bottom: 12px; }
.gk-section-head h2 { margin: 0; font-size: var(--g-lg); }
.gk-section-head p { margin: 0; font-size: var(--g-sm); color: var(--g-ink-3); }
.gk-count { font-family: var(--g-mono); font-size: var(--g-sm); color: var(--g-blue); margin-left: 6px; }
.gk-matrix-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.gk-matrix-grid { display: grid; gap: 4px; min-width: 700px; }
.gk-mx { border: 1px solid var(--g-line-soft); background: var(--g-paper-2); border-radius: 2px; padding: 6px 4px; text-align: center; font-size: var(--g-xs); color: var(--g-ink-3); min-width: 0; }
.gk-mx--head { background: var(--g-blue-soft); color: var(--g-blue); font-weight: 700; font-family: var(--g-mono); }
.gk-mx--row { background: var(--g-paper-2); color: var(--g-ink); font-weight: 700; text-align: left; padding-left: 8px; white-space: nowrap; }
.gk-mx--cell { cursor: pointer; transition: .16s; }
.gk-mx--cell:hover { border-color: var(--g-blue); background: var(--g-blue-soft); }
.gk-mx--cell.is-on { border-color: var(--g-blue); background: var(--g-blue); color: #fff; }
.gk-mx--cell b { font-family: var(--g-mono); font-size: var(--g-sm); }
.gk-mx--cell.is-zero { opacity: .45; }

/* ---------- 索引卡 ---------- */
.gk-result { background: var(--g-paper); border: 1px solid var(--g-line); border-radius: var(--g-radius); padding: 17px 20px; margin-bottom: 16px; }
.gk-index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 10px; }
.gk-index { position: relative; border: 1px solid var(--g-line); border-top: 3px solid var(--g-blue); background: var(--g-paper-2);
    border-radius: 2px; padding: 12px 13px 11px; min-width: 0; }
.gk-index::after { content: "索引"; position: absolute; right: 9px; top: 8px; font-family: var(--g-serif); font-size: 11px;
    color: var(--g-red); border: 1px solid var(--g-red); border-radius: 2px; padding: 0 4px; transform: rotate(6deg); opacity: .75; }
.gk-index-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding-right: 42px; }
.gk-year { font-family: var(--g-mono); font-size: var(--g-lg); font-weight: 800; color: var(--g-blue); }
.gk-paper-tag { font-size: var(--g-xs); border: 1px solid var(--g-line); border-radius: 2px; padding: 1px 7px; color: var(--g-ink-2); background: var(--g-paper); }
.gk-subject-tag { font-size: var(--g-xs); border-radius: 2px; padding: 1px 8px; color: #fff; background: var(--g-subj, var(--g-blue)); }
.gk-index h3 { margin: 8px 0 2px; font-size: var(--g-md); }
.gk-index-id { font-family: var(--g-mono); font-size: 11px; color: var(--g-ink-3); }
.gk-index-meta { display: flex; flex-wrap: wrap; gap: 5px 12px; margin-top: 8px; font-size: var(--g-xs); color: var(--g-ink-2); }
.gk-index-meta span b { color: var(--g-ink); }
.gk-entries { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; padding-top: 9px; border-top: 1px dashed var(--g-line); }
.gk-entry { border: 1px solid var(--g-line); background: var(--g-paper); color: var(--g-ink-2); border-radius: 2px;
    padding: 4px 9px; font-size: var(--g-xs); cursor: pointer; }
.gk-entry:hover { border-color: var(--g-blue); color: var(--g-blue); }
.gk-entry.is-missing { border-style: dashed; color: var(--g-ink-3); }
.gk-entry.is-ready { border-color: var(--g-green); color: var(--g-green); }
.gk-index-note { margin-top: 8px; font-size: 11px; color: var(--g-ink-3); }
.gk-empty { text-align: center; color: var(--g-ink-3); padding: 26px 0; font-size: var(--g-sm); }
.gk-pager { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; align-items: center; margin-top: 14px; }
.gk-pager button { border: 1px solid var(--g-line); background: var(--g-paper-2); color: var(--g-ink-2); border-radius: 2px; min-width: 31px; height: 29px; cursor: pointer; font-family: var(--g-mono); font-size: var(--g-xs); }
.gk-pager button.is-on { background: var(--g-blue); border-color: var(--g-blue); color: #fff; }
.gk-pager span { font-size: var(--g-xs); color: var(--g-ink-3); }

/* ---------- 官方入口 ---------- */
.gk-official { background: var(--g-paper-2); border: 1px solid var(--g-line); border-radius: var(--g-radius); padding: 17px 20px; margin-bottom: 16px; }
.gk-official h2 { margin: 0 0 12px; font-size: var(--g-lg); }
.gk-official-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: 11px; }
.gk-official-grid > div { background: var(--g-paper); border: 1px solid var(--g-line-soft); border-radius: 2px; padding: 12px 14px; min-width: 0; }
.gk-official-grid h3 { margin: 0 0 5px; font-size: var(--g-md); color: var(--g-blue); }
.gk-official-grid p { margin: 0; font-size: var(--g-sm); color: var(--g-ink-2); }
.gk-source { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px 20px; margin: 13px 0 0; padding-top: 11px; border-top: 1px dashed var(--g-line); }
.gk-source dt { font-size: var(--g-xs); color: var(--g-ink-3); }
.gk-source dd { margin: 2px 0 0; font-size: var(--g-sm); color: var(--g-ink-2); word-break: break-word; }

/* ---------- 双栏 ---------- */
.gk-two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.gk-two-col > * { min-width: 0; }
.gk-panel { background: var(--g-paper); border: 1px solid var(--g-line); border-radius: var(--g-radius); padding: 17px 20px; }
.gk-panel h2 { margin: 0 0 6px; font-size: var(--g-lg); }
.gk-panel-hint { margin: 0 0 12px; font-size: var(--g-sm); color: var(--g-ink-3); }
.gk-panel textarea { width: 100%; resize: vertical; border: 1px solid var(--g-line); border-radius: 2px; background: var(--g-paper-2); color: var(--g-ink);
    padding: 10px 12px; font-size: var(--g-sm); line-height: 1.65; outline: 0; font-family: var(--g-mono); }
.gk-panel textarea:focus { border-color: var(--g-blue); }
.gk-panel-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.gk-panel-actions .gk-btn { min-height: 34px; padding: 0 13px; font-size: var(--g-xs); }
.gk-batch-out, .gk-import-out { margin-top: 12px; font-size: var(--g-sm); }
.gk-sum { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 9px; }
.gk-chip { font-family: var(--g-mono); border-radius: 2px; padding: 3px 10px; font-size: var(--g-xs); background: var(--g-blue-soft); color: var(--g-blue); }
.gk-chip--bad { background: var(--g-red-soft); color: var(--g-red); }
.gk-small-list { display: flex; flex-wrap: wrap; gap: 6px; }
.gk-small-list span { border: 1px solid var(--g-line); border-radius: 2px; padding: 3px 9px; font-size: var(--g-xs); color: var(--g-ink-2); word-break: break-all; }
.gk-import-list { margin: 8px 0 0; padding-left: 18px; color: var(--g-ink-2); font-size: var(--g-xs); }
.gk-page .tskb { color: var(--g-ink); }
.gk-page .tskb-card, .gk-page .tskb-panel, .gk-page .tskb-related { background: var(--g-paper); border-color: var(--g-line); color: var(--g-ink); }

/* ---------- 浮层 ---------- */
.gk-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; padding: 18px; }
.gk-modal[hidden], .gk-toast[hidden] { display: none !important; }
.gk-modal-mask { position: absolute; inset: 0; background: rgba(32, 30, 24, .6); backdrop-filter: blur(2px); }
.gk-modal-card { position: relative; width: min(560px, 100%); max-height: 86vh; overflow: auto; background: var(--g-paper);
    border: 1px solid var(--g-line); border-top: 4px solid var(--g-red); border-radius: 3px; box-shadow: var(--g-shadow); padding: 23px 25px; color: var(--g-ink); }
.gk-modal-x { position: absolute; right: 11px; top: 8px; border: 0; background: transparent; color: var(--g-ink-3); font-size: 26px; cursor: pointer; }
.gk-modal-kicker { font-family: var(--g-mono); font-size: var(--g-xs); color: var(--g-red); letter-spacing: .08em; }
.gk-modal-card h3 { font-size: var(--g-xl); margin: 4px 0 12px; }
.gk-modal-card p { font-size: var(--g-sm); color: var(--g-ink-2); margin: 0 0 11px; }
.gk-modal-card .gk-input { width: 100%; }
.gk-modal-foot { margin-top: 16px; display: flex; justify-content: flex-end; }
.gk-file-box { border: 1px dashed var(--g-line); border-radius: 2px; background: var(--g-paper-2); padding: 11px 13px; margin-bottom: 11px; }
.gk-file-box dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 6px 12px; margin: 0; }
.gk-file-box dt { font-size: 11px; color: var(--g-ink-3); }
.gk-file-box dd { margin: 1px 0 0; font-size: var(--g-sm); color: var(--g-ink); word-break: break-word; }
.gk-official-list { margin: 0; padding-left: 18px; font-size: var(--g-sm); color: var(--g-ink-2); }
.gk-official-list li { margin-bottom: 6px; }
.gk-official-list a { color: var(--g-blue); word-break: break-all; }
.gk-preview-frame { width: 100%; height: 320px; border: 1px solid var(--g-line); border-radius: 2px; background: var(--g-paper-2); }
.gk-modal-note { font-size: var(--g-xs); color: var(--g-ink-3); background: var(--g-red-soft); border-radius: 2px; padding: 9px 11px; }
.gk-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 9500; background: var(--g-ink); color: var(--g-paper);
    border-radius: 2px; padding: 10px 18px; font-size: var(--g-sm); box-shadow: var(--g-shadow); max-width: min(90vw, 520px); }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
    .gk-hero { grid-template-columns: 1fr; }
    .gk-card { max-width: 320px; }
    .gk-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .gk-two-col { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .gk-page { padding: 14px 10px 40px; }
    .gk-sheet { padding-left: 20px; }
    .gk-sheet::before { left: 14px; }
    .gk-binding { display: none; }
    .gk-seal-line { display: none; }
    .gk-sheet-inner { padding: 16px 12px 24px; }
    .gk-card { display: none; }
    .gk-hero-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .gk-metric:nth-child(2) { border-right: 0; }
    .gk-filter, .gk-matrix, .gk-result, .gk-official, .gk-panel { padding: 14px 12px; }
    .gk-filter-row { flex-direction: column; }
    .gk-btn--main { width: 100%; }
    .gk-flex { display: none; }
    .gk-filter-actions .gk-btn { flex: 1; }
    .gk-notice { flex-direction: column; gap: 6px; }
    .gk-matrix-grid { min-width: 640px; }
}
/* 公共「下一步推荐」卡窄屏局部兜底 */
@media (max-width: 640px) {
    .tool-rec { width: calc(100vw - 24px) !important; max-width: calc(100vw - 24px) !important; box-sizing: border-box; }
    .tool-rec-grid { grid-template-columns: minmax(0, 1fr) !important; }
    .tool-rec-item { min-width: 0 !important; width: 100% !important; box-sizing: border-box; }
    .tool-rec-body, .tool-rec-body b, .tool-rec-body small { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
}
@media print {
    .gk-filter, .gk-quick, .gk-modal, .gk-toast, .gk-pager, .gk-binding { display: none !important; }
    .gk-page, .gk-sheet { background: #fff; box-shadow: none; }
}