/**
 * CCAE MVP v0.1 — 页面样式
 * 浅色为默认主题；深色由 body.dark-mode 驱动（common/js/dark_mode.js）。
 */

:root {
    --ccae-bg: #f5f7fb;
    --ccae-panel: #ffffff;
    --ccae-panel-soft: #f8fafc;
    --ccae-border: #e2e8f0;
    --ccae-border-strong: #cbd5e1;
    --ccae-text: #0f172a;
    --ccae-text-soft: #475569;
    --ccae-text-muted: #7c8798;
    --ccae-accent: #2563eb;
    --ccae-accent-soft: #e8efff;
    --ccae-accent-text: #1d4ed8;
    --ccae-good: #0f766e;
    --ccae-warn: #b45309;
    --ccae-bad: #b91c1c;
    --ccae-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px rgba(15, 23, 42, .04);
    --ccae-radius: 14px;
}

body.dark-mode {
    --ccae-bg: #0b0f16;
    --ccae-panel: #131c29;
    --ccae-panel-soft: #17202e;
    --ccae-border: #243141;
    --ccae-border-strong: #35465c;
    --ccae-text: #e8eef9;
    --ccae-text-soft: #b6c2d4;
    --ccae-text-muted: #8b9ab0;
    --ccae-accent: #5b8cff;
    --ccae-accent-soft: rgba(91, 140, 255, .15);
    --ccae-accent-text: #9dbbff;
    --ccae-good: #4fd1c5;
    --ccae-warn: #f6ad55;
    --ccae-bad: #f87171;
    --ccae-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .25);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body.ccae-body {
    background: var(--ccae-bg);
    color: var(--ccae-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* ---------- 页头 ---------- */
.ccae-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px clamp(16px, 4vw, 40px);
    background: color-mix(in srgb, var(--ccae-bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ccae-border);
}

@supports not (background: color-mix(in srgb, red 50%, blue)) {
    .ccae-header {
        background: var(--ccae-bg);
    }
}

.ccae-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.ccae-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--ccae-accent);
    color: #fff;
    font-size: 17px;
    line-height: 1;
}

.ccae-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.ccae-brand-text strong {
    font-size: 15px;
    letter-spacing: .12em;
}

.ccae-brand-text em {
    font-style: normal;
    font-size: 11.5px;
    color: var(--ccae-text-muted);
    letter-spacing: .04em;
}

.ccae-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ccae-local-note {
    font-size: 12px;
    color: var(--ccae-text-muted);
}

.ccae-theme {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 12px;
    border-radius: 9px;
    border: 1px solid var(--ccae-border);
    background: var(--ccae-panel);
    color: var(--ccae-text);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}

.ccae-theme:hover {
    border-color: var(--ccae-border-strong);
}

/* ---------- 主体 ---------- */
.ccae-main {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 28px clamp(16px, 4vw, 32px) 80px;
}

.ccae-hero {
    padding: 18px 0 26px;
}

.ccae-kicker {
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--ccae-accent-text);
    letter-spacing: .04em;
}

.ccae-hero h1 {
    margin: 0 0 10px;
    font-size: clamp(24px, 4.4vw, 34px);
    line-height: 1.28;
    letter-spacing: -.01em;
}

.ccae-sub {
    margin: 0;
    max-width: 640px;
    color: var(--ccae-text-soft);
    font-size: 14px;
}

.ccae-block {
    margin-bottom: 22px;
    padding: 18px;
    background: var(--ccae-panel);
    border: 1px solid var(--ccae-border);
    border-radius: var(--ccae-radius);
    box-shadow: var(--ccae-shadow);
}

.ccae-block-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.ccae-block-head h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 16px;
    font-weight: 650;
}

.ccae-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: var(--ccae-accent-soft);
    color: var(--ccae-accent-text);
    font-size: 12px;
    font-weight: 700;
}

.ccae-hint {
    font-size: 12px;
    color: var(--ccae-text-muted);
    white-space: nowrap;
}

/* ---------- 领域卡片 ---------- */
.ccae-context-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.ccae-context-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--ccae-border);
    border-radius: 12px;
    background: var(--ccae-panel-soft);
    transition: border-color .16s, box-shadow .16s, transform .16s;
}

.ccae-context-card:hover {
    border-color: var(--ccae-border-strong);
}

.ccae-context-card.is-selected {
    border-color: var(--ccae-accent);
    box-shadow: 0 0 0 2px var(--ccae-accent-soft);
    background: var(--ccae-panel);
}

.ccae-context-hit {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
    padding: 13px 13px 9px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.ccae-context-emoji {
    font-size: 20px;
    line-height: 1.2;
}

.ccae-context-name {
    font-size: 14.5px;
    font-weight: 650;
}

.ccae-context-intro {
    font-size: 12.5px;
    color: var(--ccae-text-soft);
    line-height: 1.5;
}

.ccae-context-more {
    align-self: flex-start;
    margin: 0 13px 10px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--ccae-accent-text);
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.ccae-context-more:hover {
    text-decoration: underline;
}

.ccae-context-detail {
    padding: 0 13px 12px;
    border-top: 1px dashed var(--ccae-border);
    margin: 0 13px 0;
    padding-top: 9px;
}

.ccae-context-detail[hidden] {
    display: none;
}

.ccae-detail-label {
    margin: 6px 0 2px;
    font-size: 11.5px;
    font-weight: 650;
    color: var(--ccae-text-muted);
    letter-spacing: .04em;
}

.ccae-context-detail ul {
    margin: 0;
    padding-left: 17px;
    font-size: 12.5px;
    color: var(--ccae-text-soft);
}

.ccae-context-detail li {
    margin-bottom: 2px;
}

.ccae-detail-inline {
    margin: 0;
    font-size: 12.5px;
    color: var(--ccae-text-soft);
}

.ccae-context-extra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.ccae-chip-btn {
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px dashed var(--ccae-border-strong);
    background: transparent;
    color: var(--ccae-text-soft);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}

.ccae-chip-btn[aria-pressed="true"] {
    border-style: solid;
    border-color: var(--ccae-accent);
    background: var(--ccae-accent-soft);
    color: var(--ccae-accent-text);
}

.ccae-switch {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--ccae-text-soft);
    cursor: pointer;
    user-select: none;
}

.ccae-switch input {
    width: 16px;
    height: 16px;
    accent-color: var(--ccae-accent);
    cursor: pointer;
}

/* ---------- 知识点 ---------- */
.ccae-concept-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.ccae-concept {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    border: 1px solid var(--ccae-border);
    border-radius: 11px;
    background: var(--ccae-panel-soft);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .16s, box-shadow .16s;
}

.ccae-concept:hover {
    border-color: var(--ccae-border-strong);
}

.ccae-concept[aria-pressed="true"] {
    border-color: var(--ccae-accent);
    background: var(--ccae-panel);
    box-shadow: 0 0 0 2px var(--ccae-accent-soft);
}

.ccae-concept-name {
    font-size: 14.5px;
    font-weight: 650;
}

.ccae-concept-formal {
    font-size: 11.5px;
    color: var(--ccae-text-muted);
}

/* ---------- 模式 ---------- */
.ccae-mode-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.ccae-mode {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 11px 12px;
    border: 1px solid var(--ccae-border);
    border-radius: 11px;
    background: var(--ccae-panel-soft);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .16s, box-shadow .16s;
}

.ccae-mode:hover {
    border-color: var(--ccae-border-strong);
}

.ccae-mode[aria-pressed="true"] {
    border-color: var(--ccae-accent);
    background: var(--ccae-panel);
    box-shadow: 0 0 0 2px var(--ccae-accent-soft);
}

.ccae-mode-name {
    font-size: 13.5px;
    font-weight: 650;
}

.ccae-mode-desc {
    font-size: 11.5px;
    color: var(--ccae-text-muted);
    line-height: 1.45;
}

.ccae-field {
    display: block;
    margin-top: 10px;
}

.ccae-field-label {
    display: block;
    margin-bottom: 5px;
    font-size: 12.5px;
    color: var(--ccae-text-soft);
}

.ccae-field input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--ccae-border);
    border-radius: 10px;
    background: var(--ccae-panel-soft);
    color: inherit;
    font: inherit;
    font-size: 14px;
}

.ccae-field input:focus {
    outline: none;
    border-color: var(--ccae-accent);
    box-shadow: 0 0 0 3px var(--ccae-accent-soft);
}

/* ---------- 主操作 ---------- */
.ccae-actions {
    margin: 4px 0 20px;
}

.ccae-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 50px;
    padding: 12px 20px;
    border: 0;
    border-radius: 12px;
    background: var(--ccae-accent);
    color: #fff;
    font: inherit;
    font-size: 16px;
    font-weight: 650;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(37, 99, 235, .22);
    transition: transform .12s, filter .16s;
}

.ccae-primary:hover:not(:disabled) {
    filter: brightness(1.05);
}

.ccae-primary:active:not(:disabled) {
    transform: translateY(1px);
}

.ccae-primary:disabled {
    opacity: .62;
    cursor: progress;
    box-shadow: none;
}

.ccae-status {
    min-height: 20px;
    margin: 9px 2px 0;
    font-size: 13px;
    color: var(--ccae-text-muted);
}

.ccae-status.is-error {
    color: var(--ccae-bad);
}

.ccae-status.is-ok {
    color: var(--ccae-good);
}

/* ---------- 结果 ---------- */
.ccae-result {
    margin-top: 6px;
}

.ccae-result[hidden] {
    display: none;
}

.ccae-sec {
    margin-bottom: 16px;
    padding: 18px;
    background: var(--ccae-panel);
    border: 1px solid var(--ccae-border);
    border-radius: var(--ccae-radius);
    box-shadow: var(--ccae-shadow);
}

.ccae-sec-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px;
    font-size: 14px;
    font-weight: 650;
    color: var(--ccae-text);
}

.ccae-sec-title .ccae-sec-idx {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 6px;
    background: var(--ccae-accent-soft);
    color: var(--ccae-accent-text);
    font-size: 11px;
    font-weight: 700;
}

.ccae-sec-one {
    margin: 0;
    font-size: 19px;
    font-weight: 650;
    line-height: 1.5;
}

.ccae-sec-text {
    margin: 0;
    white-space: pre-wrap;
    color: var(--ccae-text-soft);
    font-size: 14.5px;
}

.ccae-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.ccae-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--ccae-accent-soft);
    color: var(--ccae-accent-text);
    font-size: 12px;
}

.ccae-tag.is-muted {
    background: transparent;
    border: 1px solid var(--ccae-border);
    color: var(--ccae-text-muted);
}

/* 对应关系表 */
.ccae-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--ccae-border);
    border-radius: 10px;
}

table.ccae-map {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

table.ccae-map th,
table.ccae-map td {
    padding: 9px 11px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--ccae-border);
}

table.ccae-map th {
    background: var(--ccae-panel-soft);
    font-size: 12px;
    font-weight: 650;
    color: var(--ccae-text-muted);
    white-space: nowrap;
}

table.ccae-map tr:last-child td {
    border-bottom: 0;
}

.ccae-check {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 6px;
    background: var(--ccae-panel-soft);
    border: 1px solid var(--ccae-border);
    font-size: 11.5px;
    color: var(--ccae-text-muted);
    white-space: nowrap;
}

.ccae-empty-note {
    margin: 0;
    padding: 12px;
    border: 1px dashed var(--ccae-border-strong);
    border-radius: 10px;
    color: var(--ccae-text-muted);
    font-size: 13px;
}

/* 正式知识 */
.ccae-formal {
    margin: 0;
    padding: 12px 14px;
    border-left: 3px solid var(--ccae-accent);
    border-radius: 0 10px 10px 0;
    background: var(--ccae-panel-soft);
    color: var(--ccae-text);
    font-size: 14.5px;
    line-height: 1.75;
}

/* 代码 */
.ccae-code-wrap {
    position: relative;
    border-radius: 11px;
    overflow: hidden;
    border: 1px solid var(--ccae-border);
    background: #0d1117;
}

.ccae-code-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: #161b22;
    border-bottom: 1px solid #21262d;
}

.ccae-code-lang {
    font-size: 11.5px;
    letter-spacing: .06em;
    color: #8b949e;
}

.ccae-copy {
    padding: 3px 9px;
    border: 1px solid #30363d;
    border-radius: 6px;
    background: transparent;
    color: #c9d1d9;
    font: inherit;
    font-size: 11.5px;
    cursor: pointer;
}

.ccae-copy:hover {
    background: #21262d;
}

.ccae-code {
    margin: 0;
    padding: 13px 14px;
    overflow-x: auto;
    color: #e6edf3;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    line-height: 1.7;
    tab-size: 4;
}

.ccae-code code {
    font: inherit;
    white-space: pre;
}

.ccae-code-expl {
    margin: 10px 0 0;
    padding-left: 20px;
    color: var(--ccae-text-soft);
    font-size: 13.5px;
}

.ccae-code-expl li {
    margin-bottom: 4px;
}

/* 比喻边界 */
.ccae-limit {
    margin: 0;
    padding: 12px 14px;
    border: 1px dashed var(--ccae-border-strong);
    border-radius: 10px;
    background: var(--ccae-panel-soft);
    color: var(--ccae-text-soft);
    font-size: 13.5px;
}

/* 理解测试 */
.ccae-quiz-question {
    margin: 0 0 10px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.6;
}

.ccae-quiz textarea,
.ccae-exercise textarea {
    width: 100%;
    min-height: 88px;
    padding: 10px 12px;
    border: 1px solid var(--ccae-border);
    border-radius: 10px;
    background: var(--ccae-panel-soft);
    color: inherit;
    font: inherit;
    font-size: 14px;
    resize: vertical;
}

.ccae-quiz textarea:focus,
.ccae-exercise textarea:focus {
    outline: none;
    border-color: var(--ccae-accent);
    box-shadow: 0 0 0 3px var(--ccae-accent-soft);
}

.ccae-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 9px;
}

.ccae-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 6px 14px;
    border: 1px solid var(--ccae-border-strong);
    border-radius: 9px;
    background: var(--ccae-panel);
    color: var(--ccae-text);
    font: inherit;
    font-size: 13.5px;
    cursor: pointer;
    transition: border-color .16s, background .16s;
}

.ccae-btn:hover:not(:disabled) {
    border-color: var(--ccae-accent);
    color: var(--ccae-accent-text);
}

.ccae-btn:disabled {
    opacity: .55;
    cursor: progress;
}

.ccae-btn.is-primary {
    border-color: var(--ccae-accent);
    background: var(--ccae-accent);
    color: #fff;
}

.ccae-btn.is-primary:hover:not(:disabled) {
    color: #fff;
    filter: brightness(1.05);
}

.ccae-btn.is-ghost {
    border-style: dashed;
    color: var(--ccae-text-soft);
}

.ccae-check-result {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid var(--ccae-border);
    border-radius: 10px;
    background: var(--ccae-panel-soft);
}

.ccae-verdict {
    display: inline-block;
    margin-bottom: 6px;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 650;
}

.ccae-verdict.is-correct {
    background: rgba(15, 118, 110, .12);
    color: var(--ccae-good);
}

.ccae-verdict.is-partial {
    background: rgba(180, 83, 9, .12);
    color: var(--ccae-warn);
}

.ccae-verdict.is-incorrect {
    background: rgba(185, 28, 28, .12);
    color: var(--ccae-bad);
}

.ccae-check-result p {
    margin: 4px 0;
    font-size: 13.5px;
    color: var(--ccae-text-soft);
}

.ccae-check-result ul {
    margin: 4px 0;
    padding-left: 19px;
    font-size: 13.5px;
    color: var(--ccae-text-soft);
}

/* 反馈区 */
.ccae-feedback {
    margin-top: 18px;
    padding: 16px 18px;
    border: 1px solid var(--ccae-border);
    border-radius: var(--ccae-radius);
    background: var(--ccae-panel);
}

.ccae-feedback-title {
    margin: 0 0 10px;
    font-size: 13.5px;
    color: var(--ccae-text-soft);
}

.ccae-feedback-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ccae-fb {
    padding: 7px 13px;
    border: 1px solid var(--ccae-border-strong);
    border-radius: 999px;
    background: var(--ccae-panel-soft);
    color: var(--ccae-text);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: border-color .16s, background .16s, color .16s;
}

.ccae-fb:hover:not(:disabled) {
    border-color: var(--ccae-accent);
    color: var(--ccae-accent-text);
}

.ccae-fb.is-active {
    border-color: var(--ccae-accent);
    background: var(--ccae-accent-soft);
    color: var(--ccae-accent-text);
}

.ccae-fb:disabled {
    opacity: .55;
    cursor: progress;
}

/* 练习区 */
.ccae-exercise {
    margin-top: 16px;
    padding: 18px;
    border: 1px solid var(--ccae-border);
    border-radius: var(--ccae-radius);
    background: var(--ccae-panel);
    box-shadow: var(--ccae-shadow);
}

.ccae-exercise[hidden] {
    display: none;
}

.ccae-exercise-hint {
    margin: 8px 0 0;
    font-size: 13px;
    color: var(--ccae-text-muted);
}

.ccae-rubric {
    margin: 8px 0 0;
    padding-left: 20px;
    font-size: 13px;
    color: var(--ccae-text-soft);
}

/* 错误 / 加载 */
.ccae-notice {
    margin-bottom: 16px;
    padding: 13px 15px;
    border: 1px solid var(--ccae-border);
    border-radius: 11px;
    background: var(--ccae-panel);
    color: var(--ccae-text-soft);
    font-size: 14px;
}

.ccae-notice.is-error {
    border-color: var(--ccae-bad);
    color: var(--ccae-bad);
    background: rgba(185, 28, 28, .06);
}

.ccae-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    border: 1px solid var(--ccae-border);
    border-radius: var(--ccae-radius);
    background: var(--ccae-panel);
    color: var(--ccae-text-soft);
    font-size: 14px;
}

.ccae-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--ccae-border-strong);
    border-top-color: var(--ccae-accent);
    border-radius: 50%;
    animation: ccae-spin .8s linear infinite;
    flex: none;
}

@keyframes ccae-spin {
    to {
        transform: rotate(360deg);
    }
}

.ccae-loading-text {
    min-width: 0;
}

/* 页脚 */
.ccae-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 22px 16px 34px;
    text-align: center;
    font-size: 12px;
    color: var(--ccae-text-muted);
    border-top: 1px solid var(--ccae-border);
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
    .ccae-context-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ccae-mode-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    body.ccae-body {
        font-size: 14.5px;
    }

    .ccae-local-note {
        display: none;
    }

    .ccae-main {
        padding: 20px 14px 96px;
    }

    .ccae-block {
        padding: 14px;
    }

    .ccae-block-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
    }

    .ccae-concept-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ccae-context-grid {
        gap: 8px;
    }

    .ccae-mode-list {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .ccae-actions {
        position: sticky;
        bottom: 0;
        z-index: 20;
        margin: 0 -14px 16px;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
        background: color-mix(in srgb, var(--ccae-bg) 92%, transparent);
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--ccae-border);
    }

    @supports not (background: color-mix(in srgb, red 50%, blue)) {
        .ccae-actions {
            background: var(--ccae-bg);
        }
    }

    .ccae-status {
        margin-top: 7px;
        font-size: 12.5px;
    }

    /* 对应关系表 → 卡片式 */
    .ccae-table-wrap {
        border: 0;
        overflow: visible;
    }

    table.ccae-map,
    table.ccae-map tbody,
    table.ccae-map tr,
    table.ccae-map td {
        display: block;
        width: 100%;
    }

    table.ccae-map thead {
        display: none;
    }

    table.ccae-map tr {
        margin-bottom: 10px;
        padding: 10px 12px;
        border: 1px solid var(--ccae-border);
        border-radius: 10px;
        background: var(--ccae-panel-soft);
    }

    table.ccae-map tr:last-child {
        margin-bottom: 0;
    }

    table.ccae-map td {
        padding: 3px 0;
        border: 0;
    }

    table.ccae-map td::before {
        content: attr(data-label);
        display: block;
        font-size: 11px;
        color: var(--ccae-text-muted);
        letter-spacing: .04em;
        margin-bottom: 1px;
    }

    .ccae-sec {
        padding: 14px;
    }

    .ccae-sec-one {
        font-size: 17px;
    }

    .ccae-feedback-tip {
        font-size: 12.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
    }
}