:root {
    --ink: #1e293b;
    --muted: #64748b;
    --line: #e2e8f0;
    --paper: #f8fafc;
    --surface: #ffffff;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --soft-accent: #eff6ff;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --focus: 0 0 0 3px rgba(37, 99, 235, 0.22);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
select,
a {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

img {
    display: block;
    max-width: 100%;
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
    background: var(--surface);
    border-bottom: 0;
    box-shadow: var(--shadow);
    backdrop-filter: none;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
}

.logo img {
    height: 44px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    position: relative;
    color: var(--ink);
    font-size: 16px;
    font-weight: 600;
    transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--accent);
}

.nav-links a::after {
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 2px;
    background: var(--accent);
    content: '';
    transform: scaleX(0);
    transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    transform: scaleX(1);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--ink);
}

.hero {
    margin-bottom: 22px;
    padding: 80px 0;
    border-bottom: 0;
    border-radius: 0 0 var(--radius) var(--radius);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
}

.hero-compact {
    padding: 64px 0 52px;
}

.hero h1,
.tool-intro h1 {
    /*max-width: 820px;*/
    margin: 20px auto;
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: normal;
    line-height: 1.2;
}

.hero h1 {
    background: linear-gradient(to right, var(--accent), #f59e0b);
    background-clip: text;
    color: transparent;
    -webkit-background-clip: text;
}

.hero p:not(.eyebrow),
.tool-intro > p:not(.eyebrow) {
    /*max-width: 680px;*/
    color: var(--muted);
    font-size: 18px;
    margin-right: auto;
    margin-left: auto;
}

.eyebrow {
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1.3;
    text-transform: uppercase;
}

.search-container {
    display: flex;
    position: relative;
    max-width: 600px;
    margin: 30px auto 0;
}

.search-input,
.compare-controls input,
.generator-controls textarea,
.generator-controls select,
.filter-fields select {
    min-height: 50px;
    width: 100%;
    border: 2px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    padding: 12px 16px;
    box-shadow: var(--shadow);
}

.search-input {
    border-radius: var(--radius);
}

.search-submit {
    min-width: 76px;
    margin-left: 8px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: white;
    cursor: pointer;
    font-weight: 700;
}

.hero-actions,
.control-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-dark);
}

.btn-outline {
    border-color: var(--line);
    background: var(--surface);
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--ink);
}

.btn-outline.inverse {
    border-color: var(--ink);
    background: transparent;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 14px 0;
    color: var(--muted);
    font-size: 13px;
}

.breadcrumb a:hover,
.text-link:hover {
    color: var(--accent-dark);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 26px 0;
}

.filter-btn,
.font-category {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 5px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.filter-btn:hover,
.filter-btn.active,
.font-category.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: white;
}

.font-category.muted {
    background: #f4f4f5;
}

.filter-panel,
.content-section,
.faq-section,
.download-faq,
.usage-guide,
.preview-section,
.details-section,
.similar-section,
.compare-controls {
    margin: 32px 0;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.filter-heading,
.list-heading,
.section-heading,
.font-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.font-header {
    position: relative;
    margin: 22px 0 34px;
    overflow: hidden;
    padding: 34px 38px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: var(--shadow);
}

.font-header::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--accent), #60a5fa);
    content: '';
}

.font-header-copy {
    min-width: 0;
    flex: 1;
}

.font-header-label {
    display: flex;
    align-items: center;
    gap: 10px;
}

.font-detail-mark {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--soft-accent);
    color: var(--accent);
    font-size: 18px;
    font-weight: 800;
}

.font-header-caption {
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.font-header .font-name {
    max-width: 820px;
    margin-top: 12px;
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: -0.02em;
}

.font-description {
    max-width: 900px;
    margin-top: 12px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.75;
}

.font-header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.font-header-chip {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.font-header-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.font-header-chip.primary {
    border-color: transparent;
    background: var(--soft-accent);
    color: var(--accent-dark);
}

.font-header .font-summary {
    margin-top: 12px;
    font-size: 15px;
}

.font-header .font-actions {
    flex: 0 0 auto;
    align-items: stretch;
}

.font-header .font-actions .btn {
    min-width: 124px;
    min-height: 48px;
}

.filter-heading h2,
.list-heading h2,
.section-heading h2,
.content-section h2,
.faq-section h2,
.download-faq h2,
.usage-guide h2,
.details-section h2,
.similar-section h2 {
    margin-top: 5px;
    font-size: clamp(22px, 3vw, 32px);
    line-height: 1.2;
}

.filter-heading > a,
.list-heading > span,
.stage-note,
.tool-note,
.compare-card p {
    color: var(--muted);
    font-size: 13px;
}

.filter-fields {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    gap: 12px;
    margin-top: 22px;
}

.filter-fields label,
.generator-controls > label,
.compare-controls label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.filter-submit {
    align-self: end;
}

.filter-note {
    margin-top: 15px;
    color: var(--muted);
    font-size: 12px;
}

.list-heading {
    margin: 44px 0 18px;
}

.fonts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin: 18px 0 50px;
}

.font-card,
.compare-card,
.tool-card {
    overflow: hidden;
    border: 0;
    border-radius: var(--radius);
    background: var(--surface);
}

.font-card {
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.font-card:hover,
.tool-card:hover {
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    transform: translateY(-4px);
}

.font-preview {
    display: block;
    min-height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    padding: 30px;
}

.font-preview img,
.compare-card > img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.font-card-footer {
    display: flex;
    flex-direction: column;
    gap: 13px;
    padding: 25px;
}

.font-name {
    color: var(--ink);
    font-size: 22px;
    font-weight: 600;
    line-height: 1.35;
}

.font-author,
.font-summary,
.content-section p,
.faq-item p,
.usage-guide p,
.tool-card p {
    color: var(--muted);
    font-size: 14px;
}

.font-author {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.font-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.font-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.font-actions .btn {
    flex: 1;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 60px 20px;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    text-align: center;
}

.error-container {
    max-width: 760px;
    min-height: 560px;
    margin: 0 auto;
    padding: 100px 0 70px;
    text-align: center;
}

.error-container h1 {
    margin-top: 8px;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.15;
}

.error-code {
    margin: 18px 0 8px;
    color: var(--accent-dark);
    font-size: clamp(72px, 14vw, 150px);
    font-weight: 900;
    letter-spacing: -0.08em;
    line-height: 0.95;
}

.error-message {
    max-width: 560px;
    margin: 16px auto 0;
    color: var(--muted);
}

.error-container .search-container,
.error-container .hero-actions {
    justify-content: center;
    margin-right: auto;
    margin-left: auto;
}

.empty-state p {
    margin: 8px 0 18px;
    color: var(--muted);
}

.pagination-container {
    overflow-x: auto;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 30px 0 50px;
    list-style: none;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface);
}

.page-link:hover {
    border-color: var(--ink);
}

.faq-grid,
.footer-faq-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.faq-item {
    padding: 18px;
    border-radius: 10px;
    background: #f4f4f5;
}

.faq-item h3 {
    margin-bottom: 7px;
    font-size: 16px;
}

.content-section > p + .text-link {
    display: inline-block;
    margin-top: 16px;
}

.text-link {
    color: var(--accent-dark);
    font-size: 14px;
    font-weight: 800;
}

.license-alert,
.license-notice {
    display: flex;
    gap: 10px;
    align-items: baseline;
    margin: 22px 0;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 14px;
}

.license-alert {
    border: 1px solid #f9a8d4;
    background: var(--soft-accent);
}

.license-notice {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
}

.preview-text {
    margin-top: 22px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f4f4f5;
}

.preview-text img {
    width: 100%;
}

.preview-character figcaption {
    padding: 10px 14px;
    color: var(--muted);
    font-size: 12px;
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 22px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--line);
}

.detail-item {
    padding: 16px;
    background: var(--surface);
}

.detail-label {
    color: var(--muted);
    font-size: 12px;
}

.detail-value {
    margin-top: 5px;
    font-weight: 700;
}

.guide-steps,
.workflow-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
    list-style: none;
}

.step,
.workflow-list li {
    padding: 17px;
    border-radius: 10px;
    background: #f4f4f5;
}

.step-number,
.tool-number {
    display: block;
    margin-bottom: 12px;
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.step h3,
.workflow-list strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 42px 0;
}

.tool-card {
    display: block;
    padding: 28px;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.tool-card h2 {
    margin-bottom: 10px;
    font-size: 25px;
}

.tool-card .text-link {
    display: inline-block;
    margin-top: 18px;
}

.tool-page {
    padding-bottom: 60px;
}

.tool-intro {
    max-width: 840px;
    /*padding: 12px 0;*/
}

.generator-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 22px;
    margin: 25px 0 50px;
}

.generator-controls,
.generator-stage-wrap {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.generator-controls h2 {
    margin-bottom: 20px;
    font-size: 22px;
}

.generator-controls textarea,
.generator-controls > label,
.generator-controls > select {
    margin-bottom: 15px;
}

.generator-controls textarea {
    resize: vertical;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 15px;
}

.control-grid label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.generator-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 370px;
    overflow: hidden;
    padding: 36px;
    border-radius: 10px;
    background: #f4f4f5;
    color: var(--ink);
    text-align: center;
    word-break: break-word;
}

#generatorPreview {
    width: 100%;
    line-height: 1.2;
    white-space: pre-wrap;
}

.stage-note {
    margin-top: 12px;
}

.compare-controls {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 14px;
}

.compare-controls label {
    grid-column: 1 / -1;
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 50px;
}

.compare-card {
    position: relative;
    padding-bottom: 18px;
}

.compare-card > img {
    aspect-ratio: 16 / 9;
    margin-bottom: 14px;
}

.compare-card h2,
.compare-card p,
.compare-card .compare-sample,
.compare-card .text-link {
    margin-right: 16px;
    margin-left: 16px;
}

.compare-card h2 {
    font-size: 17px;
}

.compare-sample {
    min-height: 66px;
    margin-top: 12px;
    padding: 10px;
    border-radius: 8px;
    background: #f4f4f5;
    font-size: 24px;
    line-height: 1.3;
}

.compare-select {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 36px;
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    font-size: 12px;
    font-weight: 800;
}

.compare-card.is-selected {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.compare-control-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    grid-column: 1 / -1;
}

.compare-result-section {
    margin: 25px 0 50px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.compare-result-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.compare-result-card {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f8fafc;
}

.compare-result-card h3 {
    color: var(--ink);
    font-size: 18px;
}

.compare-result-card p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.compare-result-sample {
    min-height: 90px;
    margin: 16px 0;
    padding: 14px;
    overflow-wrap: anywhere;
    border-radius: 8px;
    background: var(--surface);
    font-size: 30px;
    line-height: 1.35;
}

.compare-result-empty {
    grid-column: 1 / -1;
    color: var(--muted);
}

.file-tool-layout,
.info-editor-layout,
.mars-tool-layout {
    display: grid;
    grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
    gap: 22px;
    margin: 25px 0 50px;
}

.file-tool-controls,
.webfont-output-wrap,
.info-editor-form,
.info-editor-output,
.mars-tool-layout > div {
    display: flex;
    flex-direction: column;
    gap: 9px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.file-tool-controls label,
.webfont-output-wrap label,
.info-editor-form label,
.info-editor-output label,
.mars-tool-layout label {
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
}

.file-tool-controls input[type='file'],
.file-tool-controls textarea,
.file-tool-controls input[type='range'],
.file-tool-controls select,
.webfont-output-wrap textarea,
.webfont-output-wrap input,
.info-editor-form input,
.info-editor-form textarea,
.info-editor-output textarea,
.mars-tool-layout textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink);
    padding: 10px 12px;
}

.local-preview-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    overflow: hidden;
    padding: 40px;
    border-radius: var(--radius);
    background: #eff6ff;
    color: var(--ink);
    text-align: center;
    word-break: break-word;
}

.webfont-output-wrap textarea,
.info-editor-output textarea {
    flex: 1;
    min-height: 360px;
    resize: vertical;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.65;
}

.webfont-output-wrap .btn,
.info-editor-output .btn {
    align-self: flex-start;
}

.mars-tool-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tool-seo-content {
    /*max-width: 900px;*/
    margin-right: auto;
    margin-left: auto;
}

.tool-seo-content h2:not(:first-of-type) {
    margin-top: 32px;
}

.tool-seo-content p {
    margin-top: 14px;
    line-height: 1.9;
}

.text-tool-layout {
    display: grid;
    grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
    gap: 24px;
    margin: 28px 0 40px;
}

.text-tool-controls,
.text-tool-output,
.copybook-stage {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.text-tool-controls h2,
.text-tool-output h2 {
    margin-bottom: 22px;
}

.text-tool-controls > label,
.text-tool-controls > input,
.text-tool-controls > textarea,
.text-tool-controls > select {
    display: block;
    width: 100%;
}

.text-tool-controls > label {
    margin-top: 16px;
    margin-bottom: 8px;
    color: var(--ink);
    font-weight: 700;
}

.text-tool-controls > input,
.text-tool-controls > textarea,
.text-tool-controls > select,
.text-tool-output textarea {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.text-tool-controls > input,
.text-tool-controls > select {
    min-height: 46px;
    padding: 10px 12px;
}

.text-tool-controls > textarea,
.text-tool-output textarea {
    min-height: 140px;
    padding: 12px;
    line-height: 1.7;
    resize: vertical;
}

.text-tool-controls .btn {
    width: 100%;
    margin-top: 20px;
}

.text-tool-output .section-heading {
    align-items: center;
    margin-bottom: 16px;
}

.text-tool-output textarea {
    width: 100%;
    min-height: 280px;
}

.copybook-stage {
    min-height: 430px;
    overflow: auto;
    background: #f8fafc;
}

.copybook-preview {
    display: grid;
    gap: 10px;
    align-content: start;
}

.copybook-cell {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    min-width: 54px;
    color: rgba(37, 99, 235, 0.45);
    font-family: "KaiTi", "Kaiti SC", "STKaiti", serif;
    font-size: clamp(28px, 5vw, 54px);
    line-height: 1;
    background-color: #fff;
    border: 1px solid #93c5fd;
}

.grid-tian .copybook-cell {
    background-image: linear-gradient(to right, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%), linear-gradient(to bottom, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%);
}

.grid-mi .copybook-cell {
    background-image: linear-gradient(to right, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%), linear-gradient(to bottom, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%), linear-gradient(45deg, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%), linear-gradient(-45deg, transparent 49.2%, #bfdbfe 49.2%, #bfdbfe 50.8%, transparent 50.8%);
}

.grid-hui .copybook-cell {
    background-image: linear-gradient(to right, transparent 32%, #bfdbfe 32%, #bfdbfe 33.4%, transparent 33.4%, transparent 66%, #bfdbfe 66%, #bfdbfe 67.4%, transparent 67.4%), linear-gradient(to bottom, transparent 32%, #bfdbfe 32%, #bfdbfe 33.4%, transparent 33.4%, transparent 66%, #bfdbfe 66%, #bfdbfe 67.4%, transparent 67.4%);
}

.tool-error {
    margin-top: 14px;
    color: #b91c1c;
    font-weight: 700;
}

.site-footer {
    margin-top: 70px;
    padding: 50px 0 25px;
    background: var(--ink);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 28px;
}

.footer-column h2,
.footer-faq h2 {
    margin-bottom: 12px;
    font-size: 16px;
}

.footer-column p,
.footer-column a,
.footer-faq p,
.footer-disclaimer {
    color: #a1a1aa;
    font-size: 13px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 7px;
}

.footer-column a:hover {
    color: white;
}

.footer-faq {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #3f3f46;
}

.footer-faq h3 {
    margin-bottom: 5px;
    font-size: 14px;
}

.copyright {
    margin-top: 38px;
    color: #d4d4d8;
    font-size: 13px;
    text-align: center;
}

.footer-disclaimer {
    margin-top: 8px;
    text-align: center;
}

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 10;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: var(--ink);
    color: white;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 900px) {
    .compare-grid,
    .compare-result-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-submit {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .container {
        width: min(100% - 28px, 560px);
    }

    .navbar {
        min-height: 64px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 64px;
        right: 14px;
        left: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: var(--surface);
        box-shadow: var(--shadow);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links a {
        min-height: 44px;
        padding: 10px 12px;
    }

    .hero {
        padding: 62px 0 54px;
    }

    .hero p:not(.eyebrow),
    .tool-intro > p:not(.eyebrow) {
        font-size: 16px;
    }

    .hero-actions .btn,
    .control-actions .btn {
        flex: 1;
    }

    .fonts-grid,
    .compare-grid,
    .compare-result-grid,
    .tool-grid,
    .faq-grid,
    .footer-faq-grid,
    .guide-steps,
    .workflow-list,
    .generator-layout,
    .file-tool-layout,
    .info-editor-layout,
    .mars-tool-layout {
        grid-template-columns: 1fr;
    }

    .text-tool-layout {
        grid-template-columns: 1fr;
    }

    .filter-panel,
    .content-section,
    .faq-section,
    .download-faq,
    .usage-guide,
    .preview-section,
    .details-section,
    .similar-section,
    .compare-controls,
    .generator-controls,
    .generator-stage-wrap,
    .compare-result-section,
    .file-tool-controls,
    .webfont-output-wrap,
    .info-editor-form,
    .info-editor-output,
    .mars-tool-layout > div {
        padding: 20px;
    }

    .text-tool-controls,
    .text-tool-output,
    .copybook-stage {
        padding: 20px;
    }

    .filter-fields,
    .detail-list,
    .control-grid,
    .compare-controls {
        grid-template-columns: 1fr;
    }

    .compare-controls label {
        grid-column: auto;
    }

    .font-header,
    .section-heading,
    .list-heading,
    .license-alert,
    .license-notice {
        align-items: flex-start;
        flex-direction: column;
    }

    .font-header {
        padding: 24px;
    }

    .font-header .font-actions,
    .font-header .font-actions .btn {
        width: 100%;
    }

    .font-header .font-actions {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

@media print {
    .site-header,
    .site-footer,
    .breadcrumb,
    .tool-intro,
    .text-tool-controls,
    .tool-seo-content,
    .back-to-top {
        display: none !important;
    }

    .text-tool-layout,
    .copybook-stage {
        display: block;
        margin: 0;
        padding: 0;
        border: 0;
        box-shadow: none;
        background: #fff;
    }

    .copybook-preview {
        gap: 8px;
    }

    .copybook-cell {
        min-width: 0;
        color: rgba(37, 99, 235, 0.4);
    }
}

/* Local font metadata and Webfont generator */
.font-info-upload-card,
.webfont-hero-card,
.webfont-builder-card,
.webfont-result-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.font-info-upload-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    margin: 24px 0;
    padding: 26px 30px;
    border: 2px dashed #bfdbfe;
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
    transition: border-color 180ms ease, background-color 180ms ease;
}

.font-info-upload-card.is-dragging {
    border-color: var(--accent);
    background: #dbeafe;
}

.font-info-upload-icon {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border-radius: 14px;
    background: var(--accent);
    color: #fff;
    font-family: Georgia, serif;
    font-size: 34px;
    font-weight: 700;
}

.font-info-upload-card h2,
.webfont-builder-heading h2,
.webfont-result-card h2 {
    font-size: 22px;
}

.font-info-upload-card p {
    color: var(--muted);
}

.font-info-upload-btn input,
.webfont-file-btn input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.font-info-drop-note {
    grid-column: 2 / -1;
    margin-top: -10px;
    font-size: 13px;
}

.font-info-upload-card .tool-note {
    grid-column: 2 / -1;
    margin-top: -8px;
}

.font-info-workspace {
    display: grid;
    grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
    gap: 22px;
    margin: 28px 0 50px;
}

.font-info-sidebar,
.font-info-main {
    min-width: 0;
}

.font-info-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.font-info-card,
.font-info-main,
.font-info-record {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
}

.font-info-card-heading,
.font-info-main-heading,
.webfont-preview-meta,
.webfont-builder-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.font-info-card-heading h2 {
    font-size: 18px;
}

.font-info-format {
    border-radius: 999px;
    background: var(--soft-accent);
    color: var(--accent);
    padding: 4px 9px;
    font-size: 12px;
    font-weight: 800;
}

.font-info-preview-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 190px;
    margin: 16px 0;
    padding: 22px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--ink);
    text-align: center;
    word-break: break-word;
}

.font-info-card label,
.font-info-panel label,
.webfont-control-group label,
.webfont-field-label {
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
}

.font-info-card input[type='text'],
.font-info-panel textarea,
.webfont-control-group input[type='text'],
.webfont-control-group textarea,
.webfont-control-group select,
.webfont-result-card textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface);
    color: var(--ink);
    padding: 10px 12px;
}

.font-info-card input[type='range'],
.webfont-control-group input[type='range'] {
    width: 100%;
    accent-color: var(--accent);
}

.font-info-card output,
.webfont-control-group output {
    color: var(--accent);
    font-weight: 800;
}

.font-info-color-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.font-info-color-row label {
    font-size: 12px;
}

.font-info-color-row input[type='color'],
.webfont-color-group input[type='color'] {
    width: 40px;
    height: 36px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
}

.font-info-mini-list {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.font-info-mini-list div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
}

.font-info-mini-list dt {
    color: var(--muted);
    font-size: 13px;
}

.font-info-mini-list dd {
    max-width: 62%;
    overflow-wrap: anywhere;
    text-align: right;
    font-size: 13px;
    font-weight: 700;
}

.font-info-main {
    padding: 28px;
}

.font-info-main-heading {
    align-items: flex-start;
    margin-bottom: 18px;
}

.font-info-main-heading h2 {
    margin-top: 5px;
    font-size: clamp(24px, 3vw, 34px);
}

.font-info-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--line);
}

.font-info-tab {
    min-height: 48px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    padding: 8px 14px;
    font-weight: 700;
}

.font-info-tab.is-active {
    border-bottom-color: var(--accent);
    color: var(--accent);
}

.font-info-panel {
    padding: 24px 0;
}

.font-info-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.font-info-fields div {
    min-width: 0;
}

.font-info-fields span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.font-info-fields strong {
    display: block;
    min-height: 44px;
    overflow-wrap: anywhere;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #f8fafc;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 500;
}

.font-info-glyph-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 8px;
    margin-top: 16px;
}

.font-info-glyph-cell {
    display: grid;
    min-height: 72px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
    color: var(--ink);
    font-size: 32px;
}

.font-info-record {
    margin-top: 4px;
}

.font-info-record textarea,
.webfont-result-card textarea {
    width: 100%;
    margin-top: 12px;
    resize: vertical;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.65;
}

.webfont-hero-card {
    overflow: hidden;
    margin: 24px 0 18px;
}

.webfont-preview-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 44px;
    overflow: hidden;
    color: var(--ink);
    font-size: 48px;
    line-height: 1.25;
    text-align: center;
    word-break: break-word;
    transition: color 180ms ease, background-color 180ms ease;
}

.webfont-preview-meta {
    align-items: flex-start;
    border-top: 1px solid var(--line);
    padding: 18px 24px;
}

.webfont-preview-meta strong {
    display: block;
    margin-top: 4px;
    overflow-wrap: anywhere;
}

.webfont-effect-outline {
    -webkit-text-stroke: 1px currentColor;
    color: transparent !important;
}

.webfont-effect-shadow {
    text-shadow: 5px 5px 0 rgba(15, 23, 42, .22);
}

.webfont-effect-gradient {
    background: linear-gradient(90deg, #2563eb, #d97706);
    background-clip: text;
    color: transparent !important;
    -webkit-background-clip: text;
}

.webfont-effect-neon {
    color: #fff !important;
    background: #172554;
    text-shadow: 0 0 8px #38bdf8, 0 0 22px #2563eb;
}

.webfont-effect-douyin {
    text-shadow: -4px -2px 0 #f03740, 4px 2px 0 #2addfd;
}

.webfont-builder-card,
.webfont-result-card {
    margin: 18px 0;
    padding: 28px;
}

.webfont-builder-heading {
    align-items: flex-start;
    margin-bottom: 22px;
}

.webfont-controls-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.webfont-control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.webfont-control-wide {
    grid-column: span 2;
}

.webfont-color-group {
    display: grid;
    grid-template-columns: auto 40px auto 40px;
    align-items: center;
    gap: 10px;
}

.webfont-color-group .btn {
    grid-column: 1 / -1;
    justify-self: start;
}

.webfont-effect-row,
.webfont-output-options {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    border-top: 1px solid var(--line);
    padding-top: 20px;
}

.webfont-effects {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.webfont-effect {
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
    color: var(--ink);
    cursor: pointer;
    padding: 6px 14px;
    font-weight: 700;
}

.webfont-effect.is-active {
    border-color: var(--accent);
    background: var(--soft-accent);
    color: var(--accent);
}

.webfont-output-options label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
}

.webfont-output-options .tool-note {
    flex: 1 1 100%;
}

.webfont-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

@media (max-width: 760px) {
    .font-info-upload-card,
    .font-info-workspace,
    .webfont-controls-grid {
        grid-template-columns: 1fr;
    }

    .font-info-upload-card {
        align-items: flex-start;
    }

    .font-info-upload-btn {
        grid-column: 1 / -1;
        width: 100%;
    }

    .font-info-drop-note,
    .font-info-upload-card .tool-note {
        grid-column: 1 / -1;
    }

    .font-info-fields {
        grid-template-columns: 1fr;
    }

    .font-info-main,
    .webfont-builder-card,
    .webfont-result-card {
        padding: 20px;
    }

    .font-info-main-heading,
    .webfont-builder-heading,
    .webfont-preview-meta {
        flex-direction: column;
    }

    .font-info-main-heading .control-actions,
    .font-info-main-heading .control-actions .btn,
    .webfont-file-btn {
        width: 100%;
    }

    .font-info-main-heading .control-actions {
        display: flex;
    }

    .font-info-tab {
        flex: 1;
        padding-right: 6px;
        padding-left: 6px;
    }

    .webfont-control-wide {
        grid-column: auto;
    }

    .webfont-preview-stage {
        min-height: 240px;
        padding: 28px 18px;
        font-size: 36px;
    }
}