:root {
    --bg-color: #fbfbfd;
    --surface-color: #ffffff;
    --text-color: #1d1d1f;
    --secondary-text: #6e6e73;
    --card-hover: #f4f6fb;
    --border-color: #dadde5;
    --border-strong: #c8ceda;
    --tag-bg: #eef2f7;
    --tag-text: #273142;
    --accent-color: #0a6cff;
    --accent-soft: rgba(10, 108, 255, 0.08);
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.05);
    --shadow-medium: 0 16px 40px rgba(15, 23, 42, 0.09);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #111318;
        --surface-color: #141922;
        --text-color: #f5f5f7;
        --secondary-text: #a0a5b3;
        --card-hover: #1a1f29;
        --border-color: #2b3340;
        --border-strong: #3a4452;
        --tag-bg: #1b2430;
        --tag-text: #e8eefc;
        --accent-color: #5fa2ff;
        --accent-soft: rgba(95, 162, 255, 0.12);
        --shadow-soft: none;
        --shadow-medium: 0 18px 48px rgba(0, 0, 0, 0.24);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background:
        radial-gradient(circle at top center, rgba(10, 108, 255, 0.06), transparent 26%),
        var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

.blog-container {
    max-width: 1200px;
}

header {
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(251, 251, 253, 0.8);
    backdrop-filter: blur(12px);
}

@media (prefers-color-scheme: dark) {
    header {
        background: rgba(17, 19, 24, 0.84);
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: nowrap;
    min-width: 0;
}

.lang-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
}

.lang-btn {
    padding: 5px 11px;
    border-radius: 8px;
    font-size: 13px;
    text-decoration: none;
    color: var(--secondary-text);
    transition: all 0.2s ease;
    background-color: transparent;
    border: 1px solid transparent;
    cursor: pointer;
}

.lang-btn:link,
.lang-btn:visited {
    text-decoration: none;
    color: var(--secondary-text);
}

.lang-btn:hover {
    color: var(--text-color);
    background-color: var(--card-hover);
}

.lang-btn.active {
    color: var(--text-color);
    border-color: var(--border-color);
    background: var(--surface-color);
    font-weight: 600;
}

header h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
}

.site-title {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.site-title:hover {
    opacity: 0.72;
}

.nav-menu {
    display: flex;
    gap: 10px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

@media (min-width: 769px) {
    .header-left {
        white-space: nowrap;
    }

    .header-left > * {
        flex: 0 0 auto;
    }
}

.nav-link {
    text-decoration: none;
    color: var(--secondary-text);
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-color);
    background: var(--surface-color);
    border-color: var(--border-color);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .header-left {
        flex-direction: row;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
        min-width: 0;
    }

    .nav-menu {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
        min-width: 0;
    }

    .lang-switcher {
        order: -1;
    }
}

main {
    padding: 56px 0;
    flex: 1;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
    max-width: 800px;
}

@media (max-width: 768px) {
    .apps-grid {
        grid-template-columns: 1fr;
    }
}

.app-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
    padding: 32px 28px;
    border-radius: 24px;
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-align: center;
    height: 100%;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.app-card:hover {
    background-color: var(--card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-strong);
}

.home-page .app-card {
    padding: 30px;
    border-radius: 20px;
    border: none;
    background: transparent;
    box-shadow: none;
}

.home-page .app-card:hover {
    background-color: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.app-icon {
    width: 128px;
    height: 128px;
    margin-bottom: 22px;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.12);
    flex-shrink: 0;
}

.home-page .app-icon {
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
}

.app-details h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.03em;
}

.home-page .app-details h2 {
    margin-bottom: 8px;
}

.app-version {
    display: inline-block;
    padding-left: 6px;
    font-size: 14px;
    color: var(--secondary-text);
    font-weight: 400;
}

.app-details p {
    font-size: 16px;
    color: var(--secondary-text);
    margin-bottom: 0;
    line-height: 1.55;
}

.home-page .app-details p {
    line-height: 1.4;
}

.tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 18px;
}

.home-page .tags {
    padding-top: 16px;
}

.tag {
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 999px;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    letter-spacing: 0.3px;
    border: 1px solid transparent;
}

.tag.free {
    background-color: #e7f7ec;
    color: #0e8f49;
}

.tag.paid {
    background-color: #fff2e8;
    color: #d96a10;
}

@media (prefers-color-scheme: dark) {
    .tag.free {
        background-color: rgba(14, 143, 73, 0.18);
        color: #6be39b;
    }

    .tag.paid {
        background-color: rgba(217, 106, 16, 0.2);
        color: #ffb366;
    }
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    text-align: center;
    color: var(--secondary-text);
    font-size: 14px;
    margin-top: auto;
}

.social-links {
    margin-top: 12px;
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.18s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

.support-page {
    max-width: 760px;
    margin: 0 auto;
    padding: 28px 20px 48px;
}

.support-header {
    text-align: center;
    margin-bottom: 28px;
}

.support-icon {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    margin-bottom: 20px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.support-page h1 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin: 0 0 20px 0;
}

.support-page h2 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 16px 0;
}

.support-notice {
    background-color: var(--accent-soft);
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.support-notice p {
    margin: 0 0 10px 0;
    font-weight: 500;
}

.support-notice ul {
    margin: 10px 0 0 20px;
    color: var(--text-color);
}

.support-notice li {
    margin: 5px 0;
}

.feedback-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 16px;
}

.form-group input[type="email"],
.form-group input[type="file"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    background-color: var(--surface-color);
    color: var(--text-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--secondary-text);
    font-size: 14px;
}

.submit-button {
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

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

.submit-button:active {
    transform: translateY(0);
}

.support-footer-note {
    color: var(--secondary-text);
    font-size: 14px;
    text-align: center;
    margin-top: 30px;
}

.support-subtitle {
    color: var(--secondary-text);
    font-size: 17px;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.support-language-panel {
    display: none;
}

.support-language-panel.active {
    display: block;
}

.support-meta-card,
.support-section-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.support-meta-card {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding: 22px 24px;
    margin-bottom: 20px;
}

.support-meta-card a,
.support-section-card a {
    color: var(--accent-color);
    text-decoration: none;
}

.support-meta-card a:hover,
.support-section-card a:hover {
    text-decoration: underline;
}

.support-label {
    display: block;
    color: var(--secondary-text);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

.support-meta-card strong {
    font-size: 17px;
    letter-spacing: -0.01em;
}

.support-section-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.support-section-card {
    padding: 24px;
    margin-bottom: 20px;
}

.support-section-card-highlight {
    background: linear-gradient(180deg, var(--accent-soft), rgba(10, 108, 255, 0.02));
}

.support-kicker {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--secondary-text);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.support-section-card:last-child {
    margin-bottom: 0;
}

.support-section-card h2 {
    font-size: 24px;
    margin-bottom: 14px;
}

.support-section-card p {
    color: var(--text-color);
    line-height: 1.65;
    margin-bottom: 12px;
}

.support-contact-box,
.support-template-box {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 18px;
    margin: 16px 0;
}

.support-email-link {
    display: inline-block;
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.support-list,
.support-steps {
    padding-left: 20px;
    color: var(--text-color);
}

.support-list li,
.support-steps li {
    margin: 7px 0;
    line-height: 1.6;
}

.support-list.compact li {
    margin: 5px 0;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 18px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.faq-item[open] {
    border-color: var(--border-strong);
    background-color: color-mix(in srgb, var(--bg-color) 92%, var(--accent-soft));
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    line-height: 1.45;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    float: right;
    color: var(--secondary-text);
    font-size: 20px;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item p,
.faq-item ul,
.faq-item ol {
    margin-top: 12px;
}

.support-link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.support-pill-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background-color: var(--surface-color);
    color: var(--text-color) !important;
    text-decoration: none !important;
    font-weight: 600;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.support-pill-link:hover {
    transform: translateY(-2px);
    background-color: var(--card-hover);
    border-color: var(--border-strong);
}

.support-mini-note {
    color: var(--secondary-text);
    font-size: 14px;
    margin-top: 14px;
}

@media (prefers-color-scheme: dark) {
    .support-section-card-highlight {
        background: linear-gradient(180deg, rgba(95, 162, 255, 0.18), rgba(95, 162, 255, 0.05));
    }
}

@media (max-width: 768px) {
    .support-subtitle {
        font-size: 16px;
    }

    .support-meta-card,
    .support-section-grid {
        grid-template-columns: 1fr;
    }

    .support-meta-card,
    .support-section-card {
        padding: 20px;
    }

    .support-section-card h2 {
        font-size: 22px;
    }

    .support-email-link {
        font-size: 18px;
        overflow-wrap: anywhere;
    }
}

.blog-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

@media (max-width: 900px) {
    .blog-cards {
        grid-template-columns: 1fr;
    }
}

.blog-card {
    background-color: var(--surface-color);
    border-radius: 20px;
    padding: 28px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    box-shadow: var(--shadow-soft);
}

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-strong);
}

.blog-card-header {
    margin-bottom: 14px;
}

.blog-card-header h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px 0;
    letter-spacing: -0.03em;
}

.blog-card-date {
    color: var(--secondary-text);
    font-size: 14px;
}

.blog-card-summary {
    color: var(--text-color);
    line-height: 1.68;
    margin: 0 0 15px 0;
    font-size: 15px;
}

.blog-card-tag {
    display: inline-block;
    background-color: var(--tag-bg);
    color: var(--tag-text);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
}

.blog-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.blog-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.blog-detail-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 15px 0;
    letter-spacing: -0.03em;
}

.blog-detail-meta {
    display: flex;
    gap: 20px;
    align-items: center;
    color: var(--secondary-text);
    font-size: 14px;
}

.blog-detail-content {
    line-height: 1.8;
    color: var(--text-color);
}

.blog-detail-content h2 {
    font-size: 28px;
    font-weight: 600;
    margin: 40px 0 20px 0;
    letter-spacing: -0.03em;
}

.blog-detail-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 15px 0;
}

.blog-detail-content ul,
.blog-detail-content ol {
    margin: 20px 0;
    padding-left: 30px;
}

.blog-detail-content li {
    margin: 10px 0;
}

.blog-detail-content p {
    margin: 15px 0;
}

.blog-detail-content code {
    background-color: var(--card-hover);
    padding: 2px 6px;
    border-radius: 6px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
}

.blog-detail-content pre {
    background-color: var(--card-hover);
    padding: 16px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

.blog-detail-content pre code {
    background: none;
    padding: 0;
}

.app-hero {
    text-align: center;
    padding: 54px 0 48px;
    max-width: 800px;
    margin: 0 auto;
}

.app-hero .app-icon {
    margin: 0 auto 28px;
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.14);
}

.app-hero h1 {
    font-size: 48px;
    margin-bottom: 14px;
    letter-spacing: -0.05em;
}

.app-hero .subtitle {
    font-size: 24px;
    color: var(--secondary-text);
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
    font-weight: 400;
    line-height: 1.4;
    max-width: 30ch;
}

.app-hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.app-hero-actions-stack {
    flex-direction: column;
    align-items: center;
}

.download-button {
    display: inline-block;
    background: linear-gradient(180deg, #12161f, #05070b);
    color: #fff;
    text-decoration: none;
    padding: 13px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
}

.download-button:hover {
    transform: translateY(-2px);
    opacity: 0.97;
}

.support-link {
    display: inline-block;
    background-color: var(--surface-color);
    color: var(--text-color);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 40px;
    border: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.support-link:hover {
    transform: translateY(-2px);
    background-color: var(--card-hover);
    border-color: var(--border-strong);
}

@media (prefers-color-scheme: dark) {
    .download-button {
        background: linear-gradient(180deg, #ecf3ff, #bfd5ff);
        color: #08101d;
        box-shadow: none;
    }
}

.app-description {
    max-width: calc(700px - 2em);
    margin: 0 auto 60px;
    padding: 0;
    font-size: 18px;
    line-height: 1.72;
    color: var(--text-color);
    text-align: left;
    width: 100%;
}

.app-description p {
    overflow-wrap: anywhere;
    word-break: break-word;
}

@media (max-width: 768px) {
    .app-description {
        font-size: 16px;
        max-width: 100%;
        padding: 0;
        text-align: left;
    }

    .app-hero {
        padding: 44px 0 40px;
    }

    .app-hero .app-icon {
        margin-bottom: 24px;
    }

    .download-button {
        padding: 11px 20px;
        font-size: 16px;
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .support-link {
        font-size: 16px;
        padding: 11px 20px;
    }

    .app-hero-actions,
    .app-hero-actions-stack {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .app-hero h1 {
        font-size: 36px;
    }

    .app-hero .subtitle {
        font-size: 18px;
    }
}

.screenshots-section {
    margin-bottom: 60px;
}

.screenshots-title {
    text-align: left;
    margin-bottom: 30px;
    letter-spacing: -0.03em;
}

.screenshots-container {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 8px 0 12px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    width: 100%;
}

.screenshot-placeholder {
    flex: 0 0 280px;
    height: 600px;
    background-color: var(--surface-color);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-text);
    scroll-snap-align: center;
    font-size: 14px;
    padding: 10px;
    box-shadow: var(--shadow-soft);
}

.screenshot-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 18px;
}

#mouse-trail-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
}

.mouse-trail-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    color: var(--accent-color);
    background: currentColor;
    box-shadow: 0 0 14px currentColor;
    opacity: 0.9;
    filter: hue-rotate(var(--hue, 0deg));
    animation: mouseTrailFade 650ms ease-out forwards;
    will-change: transform, opacity, filter;
}

@keyframes mouseTrailFade {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.9;
    }
    to {
        transform: translate(-50%, -50%) scale(0.25);
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    #mouse-trail-layer {
        display: none;
    }
}