:root {
    --primary: #4f6d7a;
    --primary-dark: #3a525d;
    --accent: #c0d6df;
    --bg: #f4f7f6;
    --text: #2f3e46;
    --white: #ffffff;
    --success: #6b9080;
    --warning: #e56b6f;
    --warning-bg: #fde8e8;
}

/* 屏幕阅读器专用 - 视觉隐藏但保持可访问性 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    line-height: 1.5;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

[v-cloak] { display: none; }

#app { width: 100%; max-width: 860px; padding: 20px; display: flex; flex-direction: column; box-sizing: border-box; }
.app-container { max-width: 860px; margin: 0 auto; width: 100%; flex: 1; display: flex; flex-direction: column; }
.lobby-container, .report-wrapper { width: 100%; }

/* 全局加载动画 */
.global-loader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg); z-index: 1000; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--primary); font-weight: bold; }
.spinner { width: 40px; height: 40px; border: 4px solid rgba(79, 109, 122, 0.2); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 20px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 优化 1：真正的毛玻璃质感 (Glassmorphism) */
.glass-card { 
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px); /* 兼容 Safari */
    border-radius: 24px; 
    padding: 30px; 
    box-shadow: 0 10px 30px rgba(79, 109, 122, 0.08); 
    border: 1px solid rgba(255, 255, 255, 0.6); 
}
.page-card { width: 100%; box-sizing: border-box; }

/* 🌟 V2.3.0 优化：首页大厅 - 品牌区居中 + 数据中心图标按钮 */
.lobby-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 16px;
    margin-bottom: 24px;
    padding: max(4px, env(safe-area-inset-top, 0px)) 0 18px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.lobby-header-centered {
    position: relative;
}

.lobby-brand {
    text-align: center;
    min-width: 0;
    grid-column: 1 / 2;
    justify-self: center;
}

.lobby-brand h1 {
    margin: 0 0 6px 0;
    font-size: 26px;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.lobby-slogan {
    margin: 0;
    font-size: 13px;
    color: #64748b;
    letter-spacing: 1px;
}

/* 数据中心图标按钮 - 置于右上角 */
.lobby-data-hub {
    grid-column: 2 / 3;
    justify-self: end;
    align-self: start;
}

.data-hub-icon-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px 12px;
    border: 1px solid rgba(79, 109, 122, 0.2);
    border-radius: 12px;
    background: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--primary);
    backdrop-filter: blur(4px);
    min-width: 64px;
    min-height: 60px;
}

.data-hub-icon-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.data-hub-icon-btn-icon {
    font-size: 20px;
    line-height: 1;
}

.data-hub-icon-btn-label {
    font-size: 10px;
    font-weight: 500;
}

/* 搜索框样式 */
.search-box { position: relative; margin-bottom: 20px; }
.search-input { width: 100%; padding: 14px 45px 14px 18px; border: 2px solid #e2e8f0; border-radius: 16px; font-size: 15px; background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(4px); transition: all 0.3s ease; box-sizing: border-box; }
.search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 109, 122, 0.1); background: #fff; }
.search-input::placeholder { color: #a0aec0; }
.clear-search { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: #cbd5e0; border: none; width: 28px; height: 28px; border-radius: 50%; cursor: pointer; font-size: 20px; line-height: 1; color: white; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
.clear-search:hover { background: #a0aec0; }

.tag-filter-section { margin-bottom: 22px; display: flex; flex-direction: column; gap: 12px; }
.tag-filter-row, .tag-chip-list { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.tag-chip-list { overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; scroll-padding-inline: 8px; }
.chip {
    flex-shrink: 0;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(79, 109, 122, 0.15);
    background: rgba(255,255,255,0.9);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.25s ease;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
}
.chip:hover { border-color: var(--primary); background: rgba(79, 109, 122, 0.05); }
.chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 109, 122, 0.25);
}
.chip-fixed { background: rgba(79, 109, 122, 0.08); color: var(--primary); }
.clear-tags-btn {
    border: none;
    background: transparent;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 4px;
}
.clear-tags-btn:hover { text-decoration: underline; }
.scale-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; align-items: stretch; }

/* 空搜索结果 */
.empty-result { text-align: center; padding: 60px 20px; color: #718096; }
.empty-result p { margin: 0 0 20px 0; font-size: 16px; }
.reset-btn { padding: 10px 24px; background: var(--primary); color: white; border: none; border-radius: 12px; cursor: pointer; font-size: 14px; transition: 0.2s; }
.reset-btn:hover { opacity: 0.9; }

/* 免责声明栏 */
.disclaimer-section { 
    margin-top: 50px; 
    padding: 25px 20px; 
    background: rgba(248, 250, 252, 0.6); 
    border-radius: 16px; 
    border: 1px solid #e2e8f0;
    text-align: center;
}
.disclaimer-main { margin: 0 0 8px 0; font-size: 13px; color: var(--primary); font-weight: 600; line-height: 1.6; }
.disclaimer-sub { margin: 0; font-size: 12px; color: #64748b; line-height: 1.5; }
.copyright-bar { display: flex; justify-content: center; align-items: center; gap: 12px; padding-top: 15px; border-top: 1px solid #e2e8f0; font-size: 11px; color: #94a3b8; flex-wrap: wrap; margin-top: 15px;}
.copyright-bar .divider { color: #cbd5e1; font-weight: 300; }

@media (max-width: 600px) {
    .disclaimer-section { padding: 20px 15px; margin-top: 40px; border-radius: 12px; }
    .disclaimer-main { font-size: 12px; }
    .disclaimer-sub { font-size: 11px; }
    .copyright-bar { font-size: 10px; gap: 8px; flex-direction: column; }
    .copyright-bar .divider { display: none; }
}

/* 列表卡片 (保持绝对静止) */
.scale-item-card { background: rgba(255, 255, 255, 0.9); border-radius: 18px; padding: 18px; box-shadow: 0 4px 15px rgba(0,0,0,0.02); cursor: pointer; transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s ease; border: 1px solid transparent; position: relative; display: flex; flex-direction: column; min-height: 184px; }
.scale-item-card:hover { border-color: var(--accent); box-shadow: 0 6px 20px rgba(79, 109, 122, 0.08); }
.scale-item-card:active { opacity: 0.85; }
.scale-item-card:focus-visible { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 109, 122, 0.12), 0 10px 24px rgba(79, 109, 122, 0.08); outline: none; }

.scale-badge { font-size: 10px; color: var(--primary); background: var(--accent); display: inline-block; padding: 2px 8px; border-radius: 4px; margin-bottom: 10px; }
.scale-tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 14px; }
.scale-tag-pill {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.08);
    color: var(--primary-dark);
    font-size: 11px;
    line-height: 1;
    white-space: nowrap;
}
.scale-tag-pill-muted { background: rgba(148, 163, 184, 0.12); color: #64748b; }
.scale-item-card h3,
.scale-card-title { margin: 0 0 8px 0; font-size: 18px; line-height: 1.4; color: var(--primary-dark); }
.scale-item-card p,
.scale-card-desc { font-size: 13px; color: #64748b; line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.scale-footer { display: flex; gap: 12px; font-size: 11px; color: #94a3b8; margin-top: auto; padding-top: 12px; border-top: 1px dashed rgba(79, 109, 122, 0.12); flex-wrap: wrap; }
.back-link { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 14px; margin-bottom: 20px; padding: 0; transition: opacity 0.2s;}
.back-link:active { opacity: 0.7; }
.nav-back-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: 999px; background: rgba(79, 109, 122, 0.08); color: var(--primary); font-weight: 700; border: 1px solid rgba(79, 109, 122, 0.12); }
.nav-back-btn:hover { background: rgba(79, 109, 122, 0.12); }
.inline-back-btn { padding: 8px 12px; margin-bottom: 0; font-size: 13px; }

/* 详情与表单 */
.badge { display: inline-block; background: var(--accent); color: var(--primary); padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: bold; margin-bottom: 10px; }
h1 { font-size: 24px; margin: 10px 0; color: var(--primary); }
.description { color: #666; font-size: 14px; line-height: 1.6; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 25px 0; }
.detail-metrics-grid { gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-metrics-stable {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}
.info-item { background: rgba(244, 247, 246, 0.7); padding: 10px; border-radius: 12px; text-align: center; }
.metric-compact-card {
    min-height: 72px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(79, 109, 122, 0.08);
}
.info-item label { display: block; font-size: 11px; color: #999; }
.info-item strong { font-size: 14px; color: var(--primary); }
.info-item-with-tip { position: relative; padding-right: 34px; }
.info-tip-btn { position: absolute; top: 10px; right: 10px; width: 20px; height: 20px; border: none; border-radius: 50%; background: rgba(79, 109, 122, 0.12); color: var(--primary); font-weight: 700; cursor: pointer; }
.info-tip-btn:hover { background: rgba(79, 109, 122, 0.2); }
.science-note { background: rgba(240, 244, 248, 0.8); border-radius: 12px; padding: 15px; border-left: 4px solid var(--primary); margin-bottom: 25px; }
.science-note h3 { font-size: 14px; margin: 0 0 5px 0; color: var(--primary); }
.science-note p { font-size: 12px; margin: 0; color: #64748b; line-height: 1.5; }
.instruction-list { margin: 12px 0 0 0; padding-left: 18px; color: #475569; }
.instruction-list li { margin-bottom: 8px; font-size: 13px; line-height: 1.7; }
.compact-instruction-list li:last-child { margin-bottom: 0; }

/* 统一全局按钮 */
.action-btn { width: 100%; background: var(--primary); color: var(--white); border: none; padding: 16px; border-radius: 16px; font-size: 16px; font-weight: bold; cursor: pointer; transition: filter 0.2s, opacity 0.2s; box-sizing: border-box; }
.action-btn:disabled { background: #cbd5e1; cursor: not-allowed; color: #f8fafc; }
.action-btn:hover:not(:disabled) { filter: brightness(1.1); }
.action-btn:active:not(:disabled) { opacity: 0.85; }

.form-container { margin: 25px 0; }
.input-group { margin-bottom: 20px; }
.info-fieldset {
    padding: 0;
    margin: 0 0 20px 0;
    border: none;
    min-inline-size: auto;
}
.info-fieldset legend {
    padding: 0;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 14px;
}
.input-group label { display: block; margin-bottom: 10px; font-weight: bold; font-size: 14px; }

/* 🌟 V2.2.0 修复：性别分段单选按钮样式（优化版） */
.info-fieldset legend {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    padding: 0;
}

.gender-segment {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    width: 100%;
}

.gender-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border: 1.5px solid #dbe4ec;
    border-radius: 12px;
    background: rgba(255,255,255,0.92);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-height: 42px;
    user-select: none;
}

.gender-option:hover {
    border-color: var(--primary);
    background: rgba(79, 109, 122, 0.04);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(79, 109, 122, 0.08);
}

.gender-option:active {
    transform: translateY(0) scale(0.98);
}

.gender-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.gender-option-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    transition: color 0.2s ease;
    letter-spacing: 0.2px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.gender-option.active {
    border-color: var(--primary);
    background: rgba(79, 109, 122, 0.92);
    box-shadow: 0 4px 12px rgba(79, 109, 122, 0.18);
}

.gender-option.active .gender-option-text {
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.gender-option:focus-within {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

@media (max-width: 600px) {
    .gender-segment {
        gap: 10px;
    }
    .gender-option {
        padding: 10px 12px;
        min-height: 42px;
        border-radius: 10px;
    }
    .gender-option-text {
        font-size: 13px;
    }
}

.base-input { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 10px; box-sizing: border-box; background: rgba(255,255,255,0.8); transition: border-color 0.2s;}
.base-input:focus { outline: none; border-color: var(--primary); }

/* 答题区 */
.progress-section { margin-bottom: 20px; }
.progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.progress-toolbar-row { min-height: 42px; flex-direction: row; align-items: center; }
.progress-toolbar-stable {
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}
.progress-text { font-size: 12px; color: #64748b; display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px; background: rgba(79, 109, 122, 0.07); }
.progress-meta { display: flex; justify-content: flex-end; flex: 1; }
.progress-track { height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

.question-title { font-size: 20px; margin-bottom: 25px; min-height: 60px; font-weight: 600; line-height: 1.4; }
.options-grid { display: flex; flex-direction: column; gap: 12px; }
.opt-card { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; background: rgba(244, 247, 246, 0.6); border: 2px solid transparent; border-radius: 16px; cursor: pointer; transition: background 0.2s, border-color 0.2s, opacity 0.2s; }
.opt-card:active { opacity: 0.85; }
.opt-card:disabled { opacity: 0.5; cursor: not-allowed; }
.opt-card.selected { border-color: var(--primary); background: rgba(192, 214, 223, 0.3); }
.opt-label { font-size: 16px; font-weight: 500; }
.opt-indicator { width: 12px; height: 12px; border: 2px solid #cbd5e1; border-radius: 50%; transition: 0.2s;}
.opt-card.selected .opt-indicator { background: var(--primary); border-color: var(--primary); box-shadow: inset 0 0 0 2px white; }
.test-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; gap: 12px; }
.test-toolbar { padding-top: 6px; }
.test-tool-btn {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(79, 109, 122, 0.12);
    background: rgba(79, 109, 122, 0.05);
    color: var(--primary);
    font-size: 13px;
    line-height: 1;
}
.test-tool-btn:disabled { opacity: 0.45; }
.text-btn { background: none; border: none; color: var(--primary); font-weight: bold; cursor: pointer; transition: opacity 0.2s; }
.text-btn:active { opacity: 0.7; }

/* 概览面板 */
.relative-box { position: relative; overflow: hidden; }
.overview-btn { color: var(--primary); border: 1px solid rgba(79, 109, 122, 0.14); padding: 10px 14px; border-radius: 999px; background: rgba(79, 109, 122, 0.05); font-size: 13px; line-height: 1; transition: 0.2s;}
.overview-btn:hover { background: rgba(79, 109, 122, 0.05); }
.overview-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(244, 247, 246, 0.85); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 100; border-radius: 24px; }
.overview-overlay-global { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 1400; border-radius: 0; padding: 20px; box-sizing: border-box; }
.overview-panel { background: rgba(255,255,255,0.95); width: 85%; max-width: 400px; padding: 25px; border-radius: 16px; box-shadow: 0 10px 40px rgba(79, 109, 122, 0.15); text-align: center; border: 1px solid rgba(255,255,255,0.5); max-height: 70vh; display: flex; flex-direction: column; }
.overview-panel h4 { margin-top: 0; color: var(--primary); font-size: 16px; margin-bottom: 20px; flex-shrink: 0; }
.overview-grid-container { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; overflow-y: auto; flex: 1; padding-right: 5px; }
.overview-item { width: 100%; aspect-ratio: 1; border-radius: 8px; border: 1px solid #e2e8f0; background: #f8fafc; color: #94a3b8; font-weight: bold; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: 0.2s; }
.overview-item:hover { border-color: var(--primary); }
.overview-item:active { opacity: 0.85; }
.overview-item.answered { background: rgba(192, 214, 223, 0.3); color: var(--primary); border-color: var(--accent); }
.overview-item.current { border: 2px solid var(--primary); box-shadow: 0 0 0 3px rgba(79, 109, 122, 0.15); }
.mt-10 { margin-top: 20px; }
.outline-btn { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 10px; font-size: 14px; border-radius: 12px; transition: 0.2s;}
/* 弹窗 */
.modal-overlay { position: fixed; inset: 0; background: rgba(47, 62, 70, 0.38); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 20px; padding-top: max(20px, env(safe-area-inset-top, 0px)); padding-bottom: max(20px, env(safe-area-inset-bottom, 0px)); z-index: 1200; overflow-y: auto; }
.modal-card { width: min(100%, 460px); background: rgba(255,255,255,0.96); border: 1px solid rgba(255,255,255,0.75); border-radius: 20px; box-shadow: 0 20px 50px rgba(47, 62, 70, 0.18); padding: 22px; max-height: min(88vh, 760px); overflow-y: auto; margin: auto; }
.pretest-modal { width: min(100%, 500px); }
.modal-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.modal-header h3 { margin: 0; color: var(--primary); font-size: 18px; }
.modal-close { border: none; background: transparent; color: #64748b; font-size: 24px; line-height: 1; cursor: pointer; }
.modal-body { font-size: 14px; color: #475569; line-height: 1.7; }
.metric-row { display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px; background: rgba(79, 109, 122, 0.06); border-radius: 12px; margin-bottom: 12px; }
.modal-note { color: #64748b; font-size: 13px; }
.modal-action { margin-top: 8px; }
.modal-actions { display: flex; gap: 12px; margin-top: 18px; }
.modal-actions.two-cols > * { flex: 1; }
.pretest-warning { margin: 0 0 12px 0; padding: 10px 12px; border-radius: 12px; background: rgba(229, 107, 111, 0.08); color: #b45309; font-size: 13px; line-height: 1.7; border: 1px solid rgba(229, 107, 111, 0.16); }
.pretest-title { margin: 0 0 12px 0; font-size: 16px; font-weight: 700; color: var(--primary-dark); }
.pretest-lines { display: grid; gap: 10px; }
.pretest-line { margin: 0; padding: 10px 12px; background: rgba(244, 247, 246, 0.9); border-radius: 12px; }
.pretest-instruction-box { margin-top: 12px; display: grid; gap: 10px; }
.pretest-instruction-box p { margin: 0; padding: 10px 12px; border-radius: 12px; background: rgba(79, 109, 122, 0.06); font-size: 13px; line-height: 1.7; }

/* 报告页 */
.report-wrapper { padding-bottom: 20px; }
.report-card { position: relative; overflow: hidden; margin-bottom: 12px; }
.report-hero { background: linear-gradient(180deg, rgba(192, 214, 223, 0.18), rgba(255,255,255,0.75)); border: 1px solid rgba(79, 109, 122, 0.08); border-radius: 22px; padding: 22px; margin-bottom: 24px; }
.report-header { border-bottom: 1px dashed rgba(79, 109, 122, 0.2); padding-bottom: 20px; margin-bottom: 20px; text-align: center; }
.brand { font-size: 12px; color: #999; letter-spacing: 2px; margin-bottom: 8px; }
.result-brand { font-size: 16px; font-weight: 800; letter-spacing: 1px; color: var(--primary); }
.report-title { font-size: 22px; font-weight: bold; color: var(--primary); margin-bottom: 8px; }
.report-title.bilingual-title { display: flex; flex-direction: column; align-items: center; gap: 4px; line-height: 1.3; }
.report-title-main { font-size: 26px; font-weight: 800; }
.report-title-sub { font-size: 18px; color: #64748b; font-weight: 700; }
.report-subtitle { font-size: 13px; color: #64748b; line-height: 1.7; max-width: 560px; margin: 0 auto; }

/* 优化 2：统一临床色谱，去除了过于花哨的糖果渐变，保持静止交互 */
.footer-actions { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 25px; }
.footer-actions-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.footer-actions button { padding: 14px 16px; border-radius: 12px; font-size: 14px; font-weight: 600; cursor: pointer; transition: filter 0.2s, opacity 0.2s; border: none; }
.footer-actions button:hover { filter: brightness(1.05); }
.footer-actions button:active { opacity: 0.85; }
.export-trigger-btn { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; }
.save-image-btn { background: var(--primary); color: white; } /* 主视觉蓝 */
.export-data-btn { background: var(--success); color: white; } /* 沉稳绿 */
.export-json-btn { background: #7c3aed; color: white; } /* 结构化 JSON 导出 */
.retest-btn { background: var(--warning); color: white; } /* 柔和红 */
.back-home-btn { background: #e2e8f0; color: #475569; } /* 中性灰 */


@media (max-width: 600px) {
    .disclaimer-section { padding: 20px 15px; margin-top: 40px; border-radius: 12px; }
    .disclaimer-main { font-size: 12px; }
    .disclaimer-sub { font-size: 11px; }
    .copyright-bar { font-size: 10px; gap: 8px; flex-direction: column; }
    .copyright-bar .divider { display: none; }
    
    .footer-actions { grid-template-columns: 1fr; gap: 8px; }
    .footer-actions-row { grid-template-columns: 1fr; gap: 8px; }
    .result-main { flex-direction: column; gap: 25px; padding: 25px 15px; }
    .tag-filter-row, .tag-chip-list { gap: 8px; }
    .chip { padding: 8px 12px; font-size: 13px; }

}

/* 折叠式免责声明 */
.disclaimer-box {
    background: rgba(192, 214, 223, 0.15);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 20px;
    border: 1px solid rgba(79, 109, 122, 0.1);
}
.disclaimer-box summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
}
.disclaimer-box summary::-webkit-details-marker { display: none; }
.disclaimer-box summary:after {
    content: "▼";
    font-size: 10px;
    opacity: 0.5;
    transition: transform 0.2s;
}
.disclaimer-box[open] summary:after { transform: rotate(180deg); }
.disclaimer-inner {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed rgba(79, 109, 122, 0.15);
    font-size: 12px;
    line-height: 1.7;
    color: #64748b;
}
.disclaimer-inner p { margin: 8px 0; }

.result-main { display: grid; grid-template-columns: minmax(180px, 220px) 1fr; align-items: stretch; gap: 18px; margin: 24px 0 18px; }
.score-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 22px 18px; background: rgba(255,255,255,0.88); border-radius: 20px; border: 1px solid rgba(79, 109, 122, 0.08); }
.score-circle { width: 128px; height: 128px; border-radius: 50%; border: 6px solid var(--primary); display: flex; flex-direction: column; align-items: center; justify-content: center; flex-shrink: 0; background: white; box-shadow: 0 8px 20px rgba(79, 109, 122, 0.1); transition: all 0.3s ease; }
.score-circle.abnormal-circle { border-color: var(--warning); box-shadow: 0 8px 20px rgba(229, 107, 111, 0.15); }
.score-circle .num { font-size: 42px; font-weight: 900; color: var(--primary); line-height: 1; }
.score-circle.abnormal-circle .num { color: var(--warning); }
.score-circle .lab { font-size: 12px; color: #999; margin-top: 6px; }
.score-panel-note { font-size: 12px; color: #64748b; text-align: center; line-height: 1.7; }

.status-box { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; text-align: left; padding: 22px 24px; background: rgba(255,255,255,0.78); border-radius: 20px; border: 1px solid rgba(79, 109, 122, 0.08); }
.status-box-label { font-size: 12px; color: #64748b; margin-bottom: 10px; letter-spacing: 1px; }
.level-tag { font-size: 24px; font-weight: bold; margin-bottom: 12px; padding: 8px 16px; border-radius: 12px; display: inline-flex; align-items: center; gap: 8px; }
.level-symbol { font-size: 18px; line-height: 1; }
.level-tag.level-normal { color: var(--success); background: rgba(107, 144, 128, 0.15); }
.level-tag.level-warning { color: #d97706; background: #fef3c7; }
.level-tag.level-danger { color: var(--warning); background: var(--warning-bg); }
.time-tag { font-size: 12px; color: #64748b; font-family: 'Courier New', monospace; }
.result-subtag { margin-top: 10px; font-size: 12px; color: #64748b; }
.report-meta-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.report-meta-grid-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.report-meta-inline-stable {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.meta-card { background: rgba(255,255,255,0.8); border: 1px solid rgba(79, 109, 122, 0.08); border-radius: 16px; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.result-meta-card {
    min-height: 74px;
    justify-content: center;
}
.meta-card-label { font-size: 12px; color: #64748b; }
.meta-card strong { font-size: 15px; color: var(--primary-dark); }

/* 多维图表 */
.dimensions-section { background: rgba(255,255,255,0.72); border: 1px solid #e2e8f0; padding: 20px; border-radius: 18px; margin-bottom: 25px; }
.dimensions-section h4 { margin-top: 0; margin-bottom: 15px; color: var(--primary); font-size: 16px; text-align: center; border-bottom: 1px dashed rgba(79, 109, 122, 0.2); padding-bottom: 12px; display: flex; align-items: center; justify-content: center; gap: 8px;}
.dim-legend { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; font-size: 12px; color: #64748b; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-color { width: 12px; height: 12px; border-radius: 3px; }
.legend-color.normal { background: var(--primary); opacity: 0.6; }
.legend-color.abnormal { background: var(--warning); opacity: 0.8; }

.dim-row { margin-bottom: 20px; }
.dim-row:last-child { margin-bottom: 0; }
.dim-info { display: flex; justify-content: space-between; align-items: center; font-size: 14px; font-weight: bold; color: #475569; margin-bottom: 8px; }
.score-type-badge { font-size: 10px; background: rgba(79, 109, 122, 0.1); color: var(--primary); padding: 2px 8px; border-radius: 4px; margin-left: 8px; font-weight: normal; }
.dim-score { color: var(--primary); font-size: 16px;}
.dim-score.abnormal-text { color: var(--warning); font-weight: bold; }
.inline-title-tip { position: static; width: 18px; height: 18px; font-size: 12px; }
.inline-info-icon {
    border: none;
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    cursor: help;
    padding: 0;
}
.dim-bar-track { height: 12px; background-color: rgba(79, 109, 122, 0.1); border-radius: 6px; position: relative; overflow: hidden; }
.dim-reference-band,
.dim-risk-band,
.norm-position-divider {
    position: absolute;
    top: 0;
    bottom: 0;
}
.dim-reference-band {
    left: 0;
    background: rgba(107, 144, 128, 0.12);
}
.dim-risk-band {
    background: rgba(229, 107, 111, 0.08);
}
.norm-position-track { position: relative; overflow: hidden; }
.norm-position-divider {
    width: 2px;
    background: var(--primary-dark);
    transform: translateX(-50%);
}
.dim-name {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    color: var(--primary-dark);
}
.dim-bar-fill {
    height: 100%;
    background:
        repeating-linear-gradient(135deg, rgba(255,255,255,0.18) 0 6px, rgba(255,255,255,0.02) 6px 12px),
        var(--primary);
    opacity: 0.75;
    border-radius: 6px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.dim-bar-fill.abnormal {
    background:
        repeating-linear-gradient(135deg, rgba(255,255,255,0.14) 0 6px, rgba(255,255,255,0.02) 6px 12px),
        var(--warning);
    opacity: 0.9;
}
.dim-threshold-marker { position: absolute; top: -2px; bottom: -2px; width: 2px; background-color: var(--text); z-index: 10; opacity: 0.4; }
.dim-threshold-zone { position: absolute; top: 0; right: 0; bottom: 0; background: linear-gradient(90deg, rgba(229, 107, 111, 0.08), rgba(229, 107, 111, 0.18)); border-radius: 0 6px 6px 0; }
.dim-bar-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; flex-wrap: wrap; font-size: 12px; color: #64748b; }
.dim-threshold-text { color: #475569; }
.dim-status-text { font-weight: 600; color: var(--primary); }
.dim-status-text.abnormal { color: var(--warning); }

/* 二维气质图 / 象限图 */
.quadrant-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
}
.quadrant-section h4,
.advanced-feature-section h4 { margin-top: 0; margin-bottom: 12px; color: var(--primary); font-size: 16px; text-align: center; }
.quadrant-subtitle { margin: 0 0 16px 0; text-align: center; font-size: 13px; color: #64748b; line-height: 1.7; }
.quadrant-grid-card {
    position: relative;
    padding: 22px 16px 36px 36px;
    background: rgba(244, 247, 246, 0.65);
    border-radius: 16px;
    border: 1px solid rgba(79, 109, 122, 0.08);
}
.quadrant-grid {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    min-height: 240px;
    background:
        linear-gradient(to right, rgba(79, 109, 122, 0.03) 0, rgba(79, 109, 122, 0.03) 50%, rgba(229, 107, 111, 0.03) 50%, rgba(229, 107, 111, 0.03) 100%),
        linear-gradient(to top, rgba(107, 144, 128, 0.03) 0, rgba(107, 144, 128, 0.03) 50%, rgba(229, 107, 111, 0.03) 50%, rgba(229, 107, 111, 0.03) 100%);
    border: 1px dashed rgba(79, 109, 122, 0.18);
    border-radius: 14px;
    overflow: hidden;
}
.quadrant-line { position: absolute; background: rgba(79, 109, 122, 0.35); z-index: 1; }
.quadrant-line.vertical { top: 0; bottom: 0; width: 2px; transform: translateX(-50%); }
.quadrant-line.horizontal { left: 0; right: 0; height: 2px; transform: translateY(50%); }
.quadrant-axis-label { position: absolute; font-size: 12px; color: #64748b; font-weight: 600; letter-spacing: 0.5px; }
.y-axis-label { top: 10px; left: 8px; writing-mode: vertical-rl; transform: rotate(180deg); }
.x-axis-label { right: 12px; bottom: 8px; }
.quadrant-label {
    position: absolute;
    z-index: 1;
    font-size: 12px;
    color: #64748b;
    background: rgba(255,255,255,0.82);
    padding: 4px 8px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(79, 109, 122, 0.06);
}
.q-top-left { top: 10px; left: 10px; }
.q-top-right { top: 10px; right: 10px; }
.q-bottom-left { bottom: 10px; left: 10px; }
.q-bottom-right { bottom: 10px; right: 10px; }
.quadrant-point {
    position: absolute;
    z-index: 2;
    transform: translate(-50%, 50%);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(79, 109, 122, 0.16);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(79, 109, 122, 0.16);
}
.quadrant-point-core {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
}
.quadrant-score-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}
.quadrant-score-card,
.advanced-feature-card {
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(79, 109, 122, 0.08);
    border-radius: 14px;
    padding: 14px 16px;
}
.quadrant-score-card span { display: block; font-size: 12px; color: #64748b; margin-bottom: 6px; }
.quadrant-score-card strong { font-size: 18px; color: var(--primary-dark); }
.quadrant-interpretation {
    margin-top: 14px;
    padding: 16px;
    border-radius: 14px;
    background: rgba(192, 214, 223, 0.12);
    border-left: 4px solid var(--primary);
}
.quadrant-interpretation p { margin: 8px 0 0; font-size: 13px; color: #475569; line-height: 1.7; }
.quadrant-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
}
.quadrant-note { color: #64748b !important; font-size: 12px !important; }

/* 高级扩展建议区 */
.advanced-feature-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
}
.section-head-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.section-head-inline-left { align-items: flex-start; }
.section-head-inline h4,
.section-head-inline-left h4 { margin: 0; text-align: left; }
.section-inline-btn {
    border: 1px solid rgba(79, 109, 122, 0.14);
    background: rgba(79, 109, 122, 0.06);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}
.section-inline-btn:hover { background: rgba(79, 109, 122, 0.1); }
.advanced-feature-list { display: grid; gap: 12px; }
.advanced-feature-card strong { display: block; margin-bottom: 6px; color: var(--primary-dark); font-size: 14px; }
.advanced-feature-card p { margin: 0; color: #64748b; font-size: 13px; line-height: 1.7; }
.profile-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.profile-toolbar label { font-size: 13px; font-weight: 700; color: var(--primary-dark); }
.profile-select { flex: 1; max-width: 260px; padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(79, 109, 122, 0.18); background: rgba(255,255,255,0.92); color: #334155; }
.profile-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 109, 122, 0.1); }
.related-scale-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.action-btn:focus-visible,
.text-btn:focus-visible,
.opt-card:focus-visible,
.overview-item:focus-visible,
.data-hub-action-card:focus-visible,
.data-hub-icon-btn:focus-visible,
.modal-close:focus-visible,
.import-btn:focus-visible,
.chip:focus-visible,
.data-hub-scale-chip:focus-visible {
    outline: 3px solid rgba(79, 109, 122, 0.28);
    outline-offset: 2px;
}
.related-scale-card { text-align: left; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease; }
.related-scale-card:hover { transform: translateY(-2px); border-color: rgba(79, 109, 122, 0.2); box-shadow: 0 10px 18px rgba(79, 109, 122, 0.08); }

.collapsible-section {
    padding-top: 14px;
}
.collapsible-summary {
    list-style: none;
    cursor: pointer;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
}
.collapsible-summary::-webkit-details-marker { display: none; }
.collapsible-summary::after {
    content: '⌄';
    font-size: 14px;
    opacity: 0.7;
    transition: transform 0.2s ease;
}
.collapsible-section[open] > .collapsible-summary::after,
.nested-collapsible[open] > .collapsible-summary::after {
    transform: rotate(180deg);
}
.advanced-inner { margin-top: 14px; }
.nested-collapsible {
    margin-top: 16px;
    border-radius: 16px;
    border: 1px solid rgba(79, 109, 122, 0.08);
    background: rgba(255,255,255,0.86);
}
.nested-summary {
    justify-content: space-between;
    text-align: left;
    padding: 14px 16px;
}
.nested-summary strong { margin-bottom: 0 !important; }
.nested-inner { padding: 0 16px 16px; }

.term-info-btn {
    position: relative;
}
.term-info-btn::after {
    content: attr(data-tip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(4px);
    min-width: 180px;
    max-width: 280px;
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.92);
    color: #fff;
    font-size: 12px;
    line-height: 1.6;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 30;
    white-space: normal;
}
.term-info-btn:hover::after,
.term-info-btn:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.export-menu-overlay {
    align-items: center;
}
.export-menu-sheet {
    width: min(100%, 520px);
    background: rgba(255,255,255,0.98);
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.16);
    padding: 18px;
    border: 1px solid rgba(255,255,255,0.8);
}
.export-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.export-menu-header h3 { margin: 0; color: var(--primary); font-size: 18px; }
.export-menu-list { display: grid; gap: 10px; }
.export-menu-item {
    width: 100%;
    text-align: left;
    border: 1px solid rgba(79, 109, 122, 0.12);
    background: rgba(244, 247, 246, 0.72);
    border-radius: 16px;
    padding: 14px 16px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.export-menu-item strong { display: block; color: var(--primary-dark); margin-bottom: 4px; font-size: 14px; }
.export-menu-item span { display: block; color: #64748b; font-size: 12px; line-height: 1.6; }
.export-menu-item:hover { background: #fff; border-color: rgba(79, 109, 122, 0.24); transform: translateY(-1px); }
.export-menu-note { margin: 12px 2px 0; color: #64748b; font-size: 12px; line-height: 1.7; }

.crisis-action-card {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    margin-top: 22px;
    padding: 16px 18px;
    background: linear-gradient(180deg, rgba(254, 226, 226, 0.95), rgba(254, 242, 242, 0.95));
    border: 1px solid rgba(220, 38, 38, 0.16);
    border-left: 5px solid #dc2626;
    border-radius: 16px;
}
.crisis-action-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(220, 38, 38, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.crisis-action-content strong {
    display: block;
    color: #991b1b;
    font-size: 15px;
    margin-bottom: 6px;
}
.crisis-action-content p {
    margin: 0;
    color: #7f1d1d;
    font-size: 13px;
    line-height: 1.8;
}

.latency-histogram-section,
.irt-analysis-section,
.mirt-analysis-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    border-radius: 18px;
}
.latency-histogram-subtitle { text-align: center; color: #64748b; font-size: 13px; margin: 0 0 14px; }
.histogram-stats,
.item-psych-summary-grid,
.irt-results-grid,
.mirt-dim-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}
.stat-card,
.irt-result-card,
.mirt-dim-card {
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(79, 109, 122, 0.08);
    border-radius: 14px;
    padding: 14px;
    text-align: center;
}
.stat-card-label,
.irt-result-card-label { font-size: 12px; color: #64748b; margin-bottom: 6px; }
.stat-card-value,
.irt-result-card-value,
.mirt-dim-theta { font-size: 18px; font-weight: 800; color: var(--primary-dark); }
.irt-result-card-note,
.mirt-dim-name { font-size: 12px; color: #64748b; margin-top: 6px; line-height: 1.6; }
.histogram-chart {
    margin-top: 14px;
    padding: 16px 12px 10px;
    background: rgba(244, 247, 246, 0.65);
    border-radius: 14px;
}
.histogram-bars {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    min-height: 140px;
}
.histogram-bar-wrapper { flex: 1; text-align: center; }
.histogram-bar {
    width: 100%;
    min-height: 8px;
    border-radius: 10px 10px 4px 4px;
    background: repeating-linear-gradient(135deg, rgba(255,255,255,0.16) 0 6px, rgba(255,255,255,0.03) 6px 12px), linear-gradient(180deg, var(--primary), var(--primary-dark));
}
.histogram-bar-label { font-size: 10px; color: #64748b; margin-top: 8px; }
.histogram-bar-count { font-size: 11px; color: #475569; margin-bottom: 6px; }
.histogram-percentiles {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}
.percentile-item {
    text-align: center;
    padding: 10px 8px;
    border-radius: 12px;
    background: rgba(244, 247, 246, 0.8);
    color: #64748b;
    font-size: 12px;
}
.percentile-item strong { display: block; color: var(--primary-dark); margin-top: 4px; font-size: 14px; }
.irt-analysis-header,
.irt-curve-header,
.boundary-header,
.boundary-score-row,
.item-psych-row,
.item-psych-values {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.irt-analysis-header { margin: 14px 0; flex-wrap: wrap; }
.mirt-model-badge,
.boundary-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
}
.irt-meta-text { color: #64748b; font-size: 12px; }
.irt-curve-card,
.item-psychometrics-card { margin-top: 16px; }
.irt-curve-svg { width: 100%; height: 160px; margin-top: 10px; }
.item-psych-list { display: grid; gap: 10px; margin-top: 14px; }
.item-psych-row {
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(244, 247, 246, 0.7);
    align-items: flex-start;
}
.item-psych-row strong { color: var(--primary-dark); margin-right: 8px; }
.item-psych-row span { color: #475569; font-size: 13px; line-height: 1.6; }
.item-psych-values { flex-wrap: wrap; justify-content: flex-end; color: #64748b; font-size: 12px; }

.boundary-score-row { flex-wrap: wrap; font-size: 12px; color: #64748b; margin: 10px 0; }
.boundary-score-row strong { color: var(--primary-dark); }
.diff-positive { color: #b91c1c; font-weight: 700; }
.diff-negative { color: var(--success); font-weight: 700; }
.boundary-message,
.pattern-note { margin: 8px 0 0 0; color: #64748b; font-size: 13px; line-height: 1.7; }

@media (max-width: 600px) {
    .export-menu-overlay { align-items: flex-end; }
    .export-menu-sheet { width: 100%; padding: 16px; border-radius: 20px 20px 0 0; }
    .term-info-btn::after { min-width: 140px; max-width: 220px; font-size: 11px; }
    .histogram-stats,
    .item-psych-summary-grid,
    .irt-results-grid,
    .mirt-dim-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .histogram-bars { min-height: 100px; gap: 8px; }
    .histogram-percentiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .irt-curve-header,
    .boundary-header,
    .item-psych-row,
    .item-psych-values { flex-direction: column; align-items: flex-start; }
    .crisis-action-card { grid-template-columns: 1fr; }
}

@media print {
    body { background: #fff !important; color: #000 !important; }
    #app { max-width: none; padding: 0; }
    .glass-card,
    .report-card,
    .report-hero,
    .advanced-feature-section,
    .dimensions-section,
    .report-section-card,
    .advanced-feature-card,
    .meta-card,
    .stat-card,
    .irt-result-card,
    .mirt-dim-card,
    .cluster-card,
    .crisis-action-card {
        background: #fff !important;
        box-shadow: none !important;
        color: #000 !important;
        border-color: #d1d5db !important;
    }
    .footer-actions,
    .modal-overlay,
    .data-hub-icon-btn,
    .nav-back-btn,
    .inline-info-icon,
    .info-tip-btn,
    .term-info-btn,
    .overview-btn,
    .back-link { display: none !important; }
    .dim-bar-fill,
    .histogram-bar {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .report-wrapper { padding-bottom: 0; }
}

/* 报告格式化样式 */
.formatted-report { line-height: 1.8; font-size: 14px; color: #374151; }
.analysis-section h4, .data-table h4, .ref-footer h4 { letter-spacing: 0.5px; }
.report-section-card { border: 1px solid rgba(79, 109, 122, 0.12); border-radius: 16px; padding: 18px; background: rgba(255,255,255,0.82); margin-bottom: 14px; box-shadow: 0 8px 20px rgba(79, 109, 122, 0.05); }
.report-section-card:last-child { margin-bottom: 0; }
.report-section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: nowrap; }
.report-section-head h5 { margin: 0; color: var(--primary-dark); font-size: 15px; flex: 1; min-width: 0; }
.report-score-chip { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; background: rgba(79, 109, 122, 0.1); color: var(--primary); font-size: 12px; font-weight: 700; flex-shrink: 0; white-space: nowrap; }
.report-section-title { display: block; color: var(--primary); font-size: 14px; margin-top: 16px; margin-bottom: 6px; padding: 6px 10px; background: rgba(192, 214, 223, 0.18); border-left: 3px solid var(--primary); border-radius: 6px; font-weight: 600;}
.formatted-report p { margin: 6px 0 14px 0; text-align: justify; line-height: 1.7; }
.dimension-highlight { display: inline-block; font-weight: 700; color: var(--primary-dark); font-size: 15px; margin: 8px 0 4px 0; padding: 4px 0; border-bottom: 2px solid rgba(79, 109, 122, 0.2); }
.detailed-text { font-size: 13px; line-height: 1.8; color: #555; white-space: pre-wrap; }

.data-table { margin: 20px 0; border-top: 1px dashed rgba(79, 109, 122, 0.2); padding-top: 15px; }
.data-table h4 { margin-top: 0; margin-bottom: 12px; color: var(--primary); font-size: 15px; }
.data-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid rgba(226, 232, 240, 0.5); font-size: 13px; color: #475569; }
.data-row span:first-child { color: #64748b; }
.data-row span:last-child { font-weight: bold; color: var(--primary); }

.ref-footer { font-size: 11px; color: #94a3b8; margin-top: 30px; line-height: 1.6; padding-top: 20px; border-top: 1px solid rgba(226, 232, 240, 0.5); }
.ref-footer h4 { margin-top: 0; margin-bottom: 12px; color: var(--accent); font-size: 13px; }
.ref-footer p { margin: 6px 0; }
.result-disclaimer-box summary { cursor: pointer; color: var(--primary); font-weight: 700; }
.result-disclaimer-box[open] summary { margin-bottom: 12px; }
.disclaimer-inner p { margin: 0 0 10px 0; color: #64748b; line-height: 1.8; }
.disclaimer-inner p:last-child { margin-bottom: 0; }

.app-footer { margin-top: 40px; padding: 20px 0; text-align: center; font-size: 11px; color: #94a3b8; line-height: 1.6; border-top: 1px dashed #cbd5e1; }
.app-footer p { margin: 5px 0; }
.fade-enter-active, .fade-leave-active { transition: opacity 0.3s; }
.fade-enter-from, .fade-leave-to { opacity: 0; }

@media (max-width: 900px) {
    #app { max-width: 760px; padding: 18px; }
    .app-container { max-width: 760px; }
    .glass-card { padding: 24px; }
    .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
    body { display: block; }
    #app { max-width: none; padding: 12px; }
    .app-container { max-width: none; }
    .glass-card { padding: 18px; border-radius: 18px; }
    .page-card, .report-card { border-radius: 18px; }
    h1 { font-size: 22px; }
    .lobby-header { grid-template-columns: 1fr; gap: 12px; padding-top: max(6px, env(safe-area-inset-top, 0px)); }
    .lobby-brand { grid-column: auto; justify-self: stretch; }
    .lobby-brand h1 { font-size: 24px; line-height: 1.3; }
    .lobby-slogan { font-size: 12px; letter-spacing: 0.4px; }
    .lobby-data-hub { grid-column: auto; justify-self: stretch; width: 100%; }
    .data-hub-icon-btn { width: 100%; flex-direction: row; gap: 8px; min-height: 48px; padding: 10px 14px; border-radius: 14px; }
    .data-hub-icon-btn-label { font-size: 12px; }
    .search-box { margin-bottom: 16px; }
    .search-input { padding: 13px 42px 13px 16px; font-size: 14px; }
    .tag-filter-section { margin-bottom: 18px; gap: 10px; }
    .tag-filter-row { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
    .tag-chip-list { flex-wrap: nowrap; gap: 8px; padding-bottom: 2px; }
    .chip { padding: 9px 12px; font-size: 13px; }
    .scale-list { grid-template-columns: 1fr; gap: 12px; }
    .scale-item-card { min-height: auto; padding: 16px; border-radius: 16px; }
    .scale-card-title { font-size: 17px; margin-bottom: 6px; }
    .scale-card-desc { -webkit-line-clamp: 2; line-clamp: 2; margin-bottom: 12px; }
    .scale-footer { gap: 8px 12px; font-size: 11px; }
    .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .detail-metrics-stable {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }
    .detail-metric-item {
        min-height: 66px;
        padding: 10px 8px;
    }
    .info-item { padding: 10px 6px; }
    .info-item label { font-size: 10px; }
    .info-item strong { font-size: 13px; }
    .info-item-with-tip { padding-right: 26px; }
    .info-tip-btn { top: 8px; right: 6px; width: 18px; height: 18px; font-size: 12px; }
    .progress-row { align-items: flex-start; flex-direction: column; }
    .progress-toolbar-stable {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .progress-meta { width: 100%; justify-content: flex-start; }
    .progress-toolbar-stable .progress-meta {
        width: auto;
        flex: 1;
        justify-content: flex-end;
        min-width: 0;
    }
    .progress-toolbar-stable .progress-text {
        white-space: nowrap;
    }
    .question-title { font-size: 18px; min-height: auto; }
    .opt-card { padding: 16px 18px; }
    .opt-label { font-size: 15px; }
    .test-footer { flex-wrap: wrap; }
    .overview-grid-container { grid-template-columns: repeat(4, 1fr); }
    .modal-card { padding: 18px; border-radius: 16px; max-height: min(86vh, 760px); }
    .modal-overlay { align-items: center; }
    .modal-actions.two-cols { flex-direction: column; }
    .report-hero { padding: 16px; border-radius: 18px; }
    .result-main { grid-template-columns: 1fr; }
    .status-box { align-items: center; text-align: center; padding: 18px; }
    .report-meta-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .report-meta-inline-stable {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }
    .result-meta-card {
        min-height: 68px;
        padding: 12px 14px;
    }
    .meta-card-version { grid-column: 1 / -1; }
    .result-brand { font-size: 18px; }
    .report-title-main { font-size: 24px; }
    .report-title-sub { font-size: 16px; }
    .profile-toolbar { flex-direction: column; align-items: flex-start; }
    .profile-select { max-width: none; width: 100%; }
    .related-scale-list { grid-template-columns: 1fr; }
    .dim-legend { flex-direction: column; align-items: flex-start; gap: 8px; }
    /* 修复：维度信息保持水平布局 */
    .dim-info { 
        display: grid; 
        grid-template-columns: minmax(0, 1fr) auto; 
        align-items: center; 
        gap: 8px; 
    }
    .quadrant-grid-card { padding: 18px 12px 34px 28px; }
    .quadrant-label { font-size: 11px; padding: 3px 6px; }
    .quadrant-score-row { grid-template-columns: 1fr; }
    .report-section-head { flex-direction: row; align-items: center; gap: 8px; }
    .report-section-head h5 { font-size: 14px; }
    .report-score-chip { font-size: 11px; padding: 4px 8px; }
    .data-row { flex-direction: column; align-items: flex-start; gap: 4px; }
    .tag-chip-list { justify-content: flex-start; }
}

@media (max-width: 420px) {
    .tag-filter-row,
    .tag-chip-list { gap: 6px; }
    .chip { padding: 8px 10px; font-size: 12px; }
    .info-grid,
    .report-meta-grid {
        grid-template-columns: 1fr;
    }
    .detail-metrics-stable {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
    }
    .detail-metric-item {
        min-height: 62px;
        padding: 8px 6px;
    }
    .detail-metric-item strong {
        font-size: 12px;
    }
    .progress-toolbar-stable {
        gap: 8px;
    }
    .progress-toolbar-stable .inline-back-btn,
    .progress-toolbar-stable .progress-text {
        font-size: 12px;
        padding: 8px 10px;
    }
    .report-meta-inline-stable {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }
    .result-meta-card {
        min-height: 64px;
        padding: 10px 12px;
    }
    .result-meta-card strong {
        font-size: 13px;
    }
}

/* ============================================================================
   🌟 V2 新增样式：预警视觉类、可视化与标签类
   ============================================================================ */

/* 预警堆叠容器 */
.alert-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 预警卡片基础 */
.alert-card {
    padding: 16px 18px;
    border-radius: 14px;
    border-left: 4px solid transparent;
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(79, 109, 122, 0.08);
    border-left: 4px solid var(--primary);
    transition: box-shadow 0.2s ease;
}
.alert-card:hover {
    box-shadow: 0 6px 16px rgba(79, 109, 122, 0.08);
}

/* 预警头部 */
.alert-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

/* 预警徽章 */
.alert-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* 预警标题 */
.alert-title {
    font-size: 14px;
    color: var(--primary-dark);
}

/* 预警消息 */
.alert-message {
    margin: 0 0 8px 0;
    font-size: 13px;
    color: #475569;
    line-height: 1.7;
}

/* 预警行动提示 */
.alert-action {
    margin: 0;
    font-size: 12px;
    color: #64748b;
    padding: 8px 12px;
    background: rgba(244, 247, 246, 0.8);
    border-radius: 8px;
}

/* 预警级别：info */
.alert-info {
    border-left-color: var(--primary);
}
.alert-info .alert-badge {
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary);
}

/* 预警级别：warning */
.alert-warning {
    border-left-color: #d97706;
    background: rgba(254, 243, 199, 0.5);
}
.alert-warning .alert-badge {
    background: rgba(217, 119, 6, 0.15);
    color: #d97706;
}

/* 预警级别：danger */
.alert-danger {
    border-left-color: var(--warning);
    background: rgba(253, 232, 232, 0.5);
}
.alert-danger .alert-badge {
    background: rgba(229, 107, 111, 0.15);
    color: var(--warning);
}

/* 预警级别：crisis */
.alert-crisis {
    border-left-color: #dc2626;
    background: rgba(254, 226, 226, 0.7);
    box-shadow: 0 0 0 1px rgba(220, 38, 38, 0.1);
}
.alert-crisis .alert-badge {
    background: rgba(220, 38, 38, 0.15);
    color: #dc2626;
}
.alert-crisis .alert-title {
    color: #dc2626;
}
.alert-crisis .alert-message {
    color: #991b1b;
}

/* 可视化堆叠容器 */
.visualization-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    background: rgba(244, 247, 246, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(79, 109, 122, 0.08);
}

/* 雷达图 SVG */
.radar-svg {
    width: 100%;
    max-width: 400px;
    height: auto;
}
.radar-grid polygon {
    transition: opacity 0.2s;
}
.radar-data-area {
    transition: opacity 0.3s ease;
}
.radar-points circle {
    transition: r 0.2s ease;
}
.radar-points circle:hover {
    r: 7;
}
.radar-labels text {
    pointer-events: none;
}

/* 常模分布轨道 */
.distribution-track {
    width: 100%;
    max-width: 400px;
    height: auto;
}
.distribution-track path {
    transition: opacity 0.3s;
}

/* 分布图图例 */
.distribution-legend {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 12px;
    color: #64748b;
    flex-wrap: wrap;
}

/* AI 解读模块 */
.ai-interpretation-section .section-head-inline { margin-bottom: 12px; }
.ai-error-card { border-left: 4px solid var(--warning); }
.ai-structured-list { display: grid; gap: 12px; }
.ai-structured-item {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(244, 247, 246, 0.72);
    border: 1px solid rgba(79, 109, 122, 0.08);
}
.ai-structured-title {
    display: inline-block;
    margin-bottom: 6px;
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 13px;
}
.ai-suggestion-list {
    margin: 8px 0 0 18px;
    padding: 0;
    color: #475569;
    font-size: 13px;
    line-height: 1.8;
}
.ai-safety-note {
    margin-top: 10px !important;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(254, 243, 199, 0.5);
    color: #92400e !important;
}
.ai-disclaimer-card { border-top: 1px dashed rgba(79, 109, 122, 0.2); }

/* 聚类卡片 */
.cluster-card {
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(79, 109, 122, 0.08);
    border-radius: 14px;
    padding: 18px;
}
.cluster-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

/* 聚类徽章 */
.cluster-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary);
    font-weight: 700;
    font-size: 13px;
}
.cluster-match {
    font-size: 12px;
    color: #64748b;
}
.cluster-description {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: #475569;
    line-height: 1.7;
}
.cluster-characteristics {
    margin: 0;
    padding-left: 20px;
    font-size: 13px;
    color: #475569;
    line-height: 1.8;
}
.cluster-characteristics li {
    margin-bottom: 4px;
}

/* 维度标签 */
.dim-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.08);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    margin-right: 6px;
    margin-bottom: 4px;
}
.alert-dims {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

/* 可视化副标题 */
.viz-subtitle {
    margin: 0 0 12px 0;
    text-align: center;
    font-size: 13px;
    color: #64748b;
    line-height: 1.7;
}

/* 响应式适配 */
@media (max-width: 600px) {
    .alert-stack { gap: 10px; }
    .alert-card { padding: 14px 14px; }
    .alert-header { flex-wrap: wrap; }
    .alert-title { font-size: 13px; }
    .alert-message { font-size: 12px; }
    .visualization-stack { padding: 12px; }
    .radar-svg { max-width: 320px; }
    .distribution-track { max-width: 320px; }
    .cluster-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .cluster-badge { font-size: 12px; }
    .cluster-description { font-size: 12px; }
    .distribution-legend { gap: 10px; font-size: 11px; }
}

/* ============================================================================
   📂 数据导入相关样式
   ============================================================================ */

.import-modal {
    max-width: 450px;
}
.import-instructions {
    margin-bottom: 20px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
}
.import-instructions p {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: #475569;
}
.import-instructions ul {
    margin: 8px 0;
    padding-left: 20px;
}
.import-instructions li {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 4px;
}
.import-note {
    font-size: 12px !important;
    color: #94a3b8 !important;
    margin-top: 12px !important;
}
.import-drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 32px 20px;
    text-align: center;
    transition: all 0.2s ease;
}
.import-drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(74, 144, 217, 0.05);
}
.import-btn {
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease;
}
.import-btn:hover {
    background: var(--primary-dark);
}
.import-hint {
    margin-top: 12px;
    font-size: 12px;
    color: #94a3b8;
}
.import-duplicate-note {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 13px;
}
.import-result {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
}
.import-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}
.import-failed {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

/* ============================================================================
   📊 纵向追踪相关样式
   ============================================================================ */

.records-modal {
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}
.records-loading {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
}
.records-loading .spinner.small {
    width: 24px;
    height: 24px;
    margin: 0 auto 12px;
}
.records-empty {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
}
.records-empty-hint {
    font-size: 13px;
    color: #94a3b8;
    margin-top: 8px;
}
.records-filter {
    margin-bottom: 16px;
}
.records-filter select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    background: white;
}

/* 记录列表 */
.records-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}
.record-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    transition: background 0.15s ease;
    flex-wrap: wrap;
    gap: 8px;
}
.record-item:last-child {
    border-bottom: none;
}
.record-item:hover {
    background: #f8fafc;
}
.record-info {
    flex: 1;
    min-width: 150px;
}
.record-scale {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #1e293b;
}
.record-time {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}
.record-score {
    display: flex;
    align-items: center;
    gap: 8px;
}
.record-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}
.record-level {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}
.record-level.level-normal {
    background: #f0fdf4;
    color: #16a34a;
}
.record-level.level-warning {
    background: #fffbeb;
    color: #d97706;
}
.record-level.level-danger {
    background: #fef2f2;
    color: #dc2626;
}
.record-source {
    min-width: 60px;
    text-align: right;
}
.source-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
    background: #f1f5f9;
    color: #64748b;
}
.source-imported, .source-csv_import, .source-platform_export {
    background: #e0f2fe;
    color: #0284c7;
}
.source-batch_import, .source-single_result {
    background: #fef3c7;
    color: #b45309;
}

/* 纵向趋势图 */
.records-trend {
    margin-top: 20px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
}
.records-trend h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: #1e293b;
}
.trend-svg {
    width: 100%;
    height: 150px;
}

/* ============================================================================
   🌟 V2.3.0 新增：反应时直方图样式
   ============================================================================ */

.latency-histogram-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
}

.latency-histogram-section h4 {
    margin-top: 0;
    margin-bottom: 6px;
    color: var(--primary);
    font-size: 16px;
    text-align: center;
}

.latency-histogram-subtitle {
    text-align: center;
    font-size: 12px;
    color: #64748b;
    margin: 0 0 16px 0;
}

.histogram-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.stat-card {
    background: rgba(79, 109, 122, 0.06);
    border-radius: 10px;
    padding: 10px 8px;
    text-align: center;
}

.stat-card-label {
    font-size: 10px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-card-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
}

.histogram-chart {
    background: rgba(244, 247, 246, 0.65);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
}

.histogram-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 120px;
    gap: 8px;
    padding: 0 4px;
}

.histogram-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.histogram-bar {
    width: 100%;
    max-width: 60px;
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 6px 6px 0 0;
    transition: height 0.5s ease;
    margin-top: auto;
    min-height: 2px;
}

.histogram-bar-label {
    font-size: 10px;
    color: #64748b;
    margin-top: 6px;
    text-align: center;
    white-space: nowrap;
}

.histogram-bar-count {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.histogram-percentiles {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px dashed rgba(79, 109, 122, 0.15);
}

.percentile-item {
    text-align: center;
    font-size: 12px;
    color: #64748b;
}

.percentile-item strong {
    display: block;
    font-size: 14px;
    color: var(--primary-dark);
    margin-top: 2px;
}

/* ============================================================================
   🌟 V2.3.0 新增：IRT 分析结果样式
   ============================================================================ */

.irt-analysis-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
}

.irt-analysis-section h4 {
    margin-top: 0;
    margin-bottom: 6px;
    color: var(--primary);
    font-size: 16px;
    text-align: center;
}

.irt-subtitle {
    text-align: center;
    font-size: 12px;
    color: #64748b;
    margin: 0 0 16px 0;
}

.irt-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.irt-result-card {
    background: rgba(79, 109, 122, 0.06);
    border-radius: 12px;
    padding: 14px;
}

.irt-result-card-label {
    font-size: 11px;
    color: #64748b;
    margin-bottom: 6px;
}

.irt-result-card-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
}

.irt-result-card-note {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 4px;
}

.irt-analysis-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.irt-meta-text {
    font-size: 12px;
    color: #64748b;
}

.irt-curve-card,
.item-psychometrics-card {
    background: rgba(244, 247, 246, 0.65);
    border-radius: 14px;
    padding: 16px;
    margin-top: 16px;
}

.irt-curve-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.irt-curve-header strong {
    color: var(--primary-dark);
    font-size: 14px;
}

.irt-curve-header span {
    color: #64748b;
    font-size: 12px;
}

.irt-curve-svg {
    width: 100%;
    height: 140px;
}

.item-psych-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.item-psych-list {
    display: grid;
    gap: 10px;
}

.item-psych-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: rgba(255,255,255,0.78);
    border-radius: 12px;
    border: 1px solid rgba(79, 109, 122, 0.08);
}

.item-psych-row strong {
    color: var(--primary-dark);
    margin-right: 8px;
}

.item-psych-row span {
    font-size: 12px;
    color: #475569;
}

.item-psych-values {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* ============================================================================
   🌟 V2.3.0 新增：MIRT 多维 IRT 样式
   ============================================================================ */

.mirt-analysis-section {
    background: rgba(255,255,255,0.72);
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 25px;
}

.mirt-dim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.mirt-dim-card {
    background: rgba(79, 109, 122, 0.06);
    border-radius: 10px;
    padding: 12px;
    text-align: center;
}

.mirt-dim-name {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 4px;
}

.mirt-dim-theta {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
}

.mirt-model-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.1);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    margin-top: 8px;
}

/* 记录弹窗关闭按钮样式优化 */
.records-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 20px;
}

/* ============================================================================
   🌟 V2.3.0 新增：临界区/分界线解释卡样式
   ============================================================================ */

.boundary-card {
    border-left: 4px solid var(--primary);
    transition: all 0.2s ease;
}

.boundary-card.boundary-within {
    border-left-color: var(--success);
    background: rgba(107, 144, 128, 0.05);
}

.boundary-card.boundary-borderline {
    border-left-color: #d97706;
    background: rgba(254, 243, 199, 0.3);
}

.boundary-card.boundary-near-above {
    border-left-color: var(--warning);
    background: rgba(253, 232, 232, 0.3);
}

.boundary-card.boundary-far-above {
    border-left-color: #dc2626;
    background: rgba(254, 226, 226, 0.4);
}

.boundary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.boundary-header strong {
    font-size: 15px;
    color: var(--primary-dark);
}

.boundary-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.boundary-status-badge.status-within {
    background: rgba(107, 144, 128, 0.15);
    color: var(--success);
}

.boundary-status-badge.status-borderline {
    background: rgba(217, 119, 6, 0.15);
    color: #d97706;
}

.boundary-status-badge.status-near-above {
    background: rgba(229, 107, 111, 0.15);
    color: var(--warning);
}

.boundary-status-badge.status-far-above {
    background: rgba(220, 38, 38, 0.15);
    color: #dc2626;
}

.boundary-score-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #64748b;
}
.boundary-score-row-compact {
    gap: 12px 18px;
    margin-bottom: 6px;
}
.boundary-short-hint {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(79, 109, 122, 0.08);
    color: var(--primary-dark);
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}
.boundary-message-muted {
    font-size: 12px;
    color: #7b8794;
}

.boundary-score strong,
.boundary-threshold strong {
    color: var(--primary-dark);
}

.boundary-diff {
    font-weight: 600;
}

.boundary-diff.diff-positive {
    color: var(--warning);
}

.boundary-diff.diff-negative {
    color: var(--success);
}

.boundary-message {
    margin: 0;
    font-size: 13px;
    color: #475569;
    line-height: 1.7;
}

/* ============================================================================
   🌟 V2.3.0 新增：维度组合解释卡样式
   ============================================================================ */

.pattern-card {
    border-left: 4px solid var(--primary);
}

.pattern-note {
    margin: 8px 0 0 0;
    font-size: 12px;
    color: #94a3b8;
    font-style: italic;
    padding-top: 8px;
    border-top: 1px dashed rgba(79, 109, 122, 0.15);
}

/* ============================================================================
   🗂️ 数据中心统一模态框样式
   ============================================================================ */

.data-hub-modal {
    max-width: 520px;
}

.data-hub-intro-card {
    background: rgba(79, 109, 122, 0.06);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
}

.data-hub-intro-card strong {
    display: block;
    font-size: 15px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}
.data-hub-feature-list {
    margin: 10px 0 0 0;
    padding-left: 18px;
    font-size: 13px;
    color: #475569;
    line-height: 1.8;
}

.data-hub-feature-list li {
    margin-bottom: 4px;
}

/* 快捷操作区 - 三列网格 */
.data-hub-quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.data-hub-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 18px 10px;
    border: 1px solid rgba(79, 109, 122, 0.15);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 110px;
}

.data-hub-action-card:hover {
    border-color: var(--primary);
    background: rgba(79, 109, 122, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 109, 122, 0.1);
}

.data-hub-action-card:active {
    transform: translateY(0) scale(0.97);
}

.action-card-icon {
    font-size: 28px;
    line-height: 1;
}

.action-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
}

.action-card-desc {
    font-size: 11px;
    color: #94a3b8;
    line-height: 1.4;
}

.data-hub-selection-card {
    margin-top: 16px;
}

.data-hub-record-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 14px 0 10px;
}

.data-hub-record-toolbar-text {
    font-size: 13px;
    color: #64748b;
}

.data-hub-record-toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.compact-btn {
    padding: 8px 12px;
    font-size: 13px;
}

.data-hub-selection-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 12px 0;
    font-size: 12px;
    color: #64748b;
}

.data-hub-scale-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.data-hub-scale-chip {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(79, 109, 122, 0.12);
    background: rgba(255,255,255,0.92);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.data-hub-scale-chip:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
}

.data-hub-scale-chip.selected {
    border-color: var(--primary);
    background: rgba(79, 109, 122, 0.08);
    box-shadow: 0 6px 16px rgba(79, 109, 122, 0.08);
}

.data-hub-scale-chip strong {
    margin-bottom: 0;
}

.data-hub-scale-chip span,
.data-hub-scale-chip em {
    font-size: 12px;
    color: #64748b;
    font-style: normal;
}

.data-hub-preview-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}
.data-hub-preview-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: rgba(255,255,255,0.88);
    font-size: 12px;
    color: #475569;
    cursor: pointer;
}

.data-hub-preview-item:hover {
    border-color: rgba(79, 109, 122, 0.28);
    background: #f8fafc;
}

.data-hub-record-checkbox {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.data-hub-preview-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.data-hub-preview-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.data-hub-preview-title {
    font-weight: 700;
    color: var(--primary-dark);
}

.data-hub-preview-meta {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #64748b;
}

.data-hub-selection-actions {
    margin-top: 14px;
}

.record-item-button {
    width: 100%;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
}
.modal-actions-balanced > * {
    flex: 1;
}
.secondary-action-btn {
    background: rgba(79, 109, 122, 0.08);
    color: var(--primary-dark);
    border: 1px solid rgba(79, 109, 122, 0.12);
}
.secondary-action-btn:hover {
    filter: none;
    background: rgba(79, 109, 122, 0.12);
}

.record-detail-modal,
.trend-fullscreen-modal {
    max-width: 720px;
}

.trend-svg-large {
    height: 240px;
}

.trend-preview-card {
    overflow: hidden;
}

.mini-trend-svg {
    color: var(--primary);
}

.mini-trend-hint {
    margin-top: 10px !important;
    font-size: 12px !important;
    color: #64748b !important;
}

.trend-significance-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.trend-significance-grid-full {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trend-significance-item {
    background: rgba(255,255,255,0.78);
    border: 1px solid rgba(79, 109, 122, 0.08);
    border-radius: 12px;
    padding: 10px 12px;
}

.trend-significance-item span {
    display: block;
    font-size: 11px;
    color: #64748b;
    margin-bottom: 4px;
}

.trend-significance-item strong {
    color: var(--primary-dark);
    font-size: 13px;
    line-height: 1.5;
}

.record-detail-dim-list {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.record-detail-dim-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(244, 247, 246, 0.82);
    color: #475569;
    font-size: 13px;
}

.record-detail-dim-item strong {
    color: var(--primary-dark);
}

/* 数据中心响应式 */
@media (max-width: 600px) {
    .data-hub-quick-actions {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .data-hub-action-card {
        flex-direction: row;
        justify-content: flex-start;
        padding: 14px 16px;
        min-height: auto;
        gap: 12px;
    }
    
    .action-card-icon {
        font-size: 24px;
    }
    
    .action-card-title {
        font-size: 14px;
    }
    
    .action-card-desc {
        display: none; /* 移动端隐藏描述以节省空间 */
    }

    .data-hub-scale-grid {
        grid-template-columns: 1fr;
    }

    .data-hub-record-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .data-hub-preview-meta,
    .data-hub-preview-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================================
   🌟 V2.3.0 响应式适配
   ============================================================================ */

@media (max-width: 600px) {
    .histogram-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .irt-results-grid {
        grid-template-columns: 1fr;
    }

    .item-psych-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .irt-curve-header,
    .item-psych-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .item-psych-values {
        justify-content: flex-start;
    }
    
    .histogram-bars {
        height: 100px;
    }
    
    .histogram-bar-label {
        font-size: 9px;
    }
    
    .mirt-dim-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 临界区卡片响应式 */
    .boundary-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .boundary-score-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}