/* 智会译官网公共样式：首页原有样式原样搬过来，后面追加内页（功能/场景/语言/价格/FAQ/关于/博客）用的组件。 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --dark-bg: #0a0e17;
    --dark-card: #1a1f2e;
    --dark-border: #2d3748;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
}

a {
    color: #60a5fa;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    flex-shrink: 0;
}

.nav-logo img {
    width: 32px;
    height: 32px;
}

.nav-logo span {
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 1.4rem;
    list-style: none;
    margin-left: auto;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current] {
    color: var(--text-primary);
}

.nav-download-btn {
    background: var(--primary);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-download-btn:hover {
    background: var(--primary-hover);
}

/* Hero 区域 */
.hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #111827 100%);
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f1f5f9 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.2s, background 0.2s;
}

.hero-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.hero-cta-note {
    margin-top: 0.9rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hero-badge-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-green);
}

/* 软件截图展示 */
.screenshot-section {
    padding: 2rem 2rem 6rem;
    background: linear-gradient(180deg, #111827 0%, var(--dark-bg) 100%);
}

.screenshot-container {
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-wrapper {
    position: relative;
    overflow: hidden;
    max-height: none;
    border-radius: 20px;
    background: transparent;
}

.screenshot-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(37, 99, 235, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.screenshot-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 220px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(15, 20, 30, 0.2) 25%,
        rgba(12, 16, 24, 0.6) 55%,
        rgba(10, 14, 23, 0.92) 80%,
        var(--dark-bg) 100%
    );
    pointer-events: none;
}

/* 功能特性 */
.features {
    padding: 6rem 2rem;
    background: #111827;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    text-wrap: balance;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 4rem;
    text-wrap: balance;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-blue);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-card .more {
    display: inline-block;
    margin-top: 0.9rem;
    font-size: 0.95rem;
    text-decoration: none;
}

/* 工作流程 */
.workflow {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.workflow-container {
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.workflow-step {
    text-align: center;
    padding: 2rem;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    position: relative;
}

.workflow-step-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.workflow-step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.workflow-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 应用场景 */
.scenarios {
    padding: 6rem 2rem;
    background: #111827;
}

.scenarios-container {
    max-width: 1200px;
    margin: 0 auto;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.scenario-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
}

a.scenario-card:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.scenario-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.scenario-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.section-more {
    text-align: center;
    margin-top: 2.5rem;
}

.section-more a {
    text-decoration: none;
    font-weight: 600;
}

/* 首页：语言与价格摘要 */
.summary {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.summary-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: 2rem;
}

.summary-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 2rem;
}

.summary-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.summary-card p,
.summary-card li {
    color: var(--text-secondary);
}

.summary-card ul {
    padding-left: 1.2rem;
    margin: 0.8rem 0 1.2rem;
}

.summary-card a {
    text-decoration: none;
    font-weight: 600;
}

.summary-card > a {
    display: inline-block;
    margin-top: 0.8rem;
}

.summary-card ul.lang-tags {
    padding-left: 0;
}

.lang-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.2rem;
    list-style: none;
    padding: 0;
}

.lang-tags li {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #cfe3ff;
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    font-size: 0.9rem;
}

.lang-tags li.key {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.45);
    color: #d1fae5;
}

/* 内页 */
.page-hero {
    padding: 8rem 2rem 3rem;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #111827 100%);
}

.page-hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.page-hero .lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
}

.breadcrumb li + li::before {
    content: "/";
    margin-right: 0.4rem;
    color: var(--dark-border);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.content {
    padding: 3rem 2rem 5rem;
    background: #111827;
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
}

.content h2 {
    font-size: 1.6rem;
    margin: 3rem 0 1rem;
    padding-top: 0.5rem;
    scroll-margin-top: 6rem;
}

.content h2:first-child {
    margin-top: 0;
}

.content h3 {
    font-size: 1.2rem;
    margin: 2rem 0 0.7rem;
    scroll-margin-top: 6rem;
}

.content p,
.content li {
    color: #cbd5e1;
    line-height: 1.85;
}

.content p {
    margin: 0.7rem 0;
}

.content ul,
.content ol {
    padding-left: 1.4rem;
    margin: 0.7rem 0;
}

.content li {
    margin: 0.3rem 0;
}

.content strong {
    color: var(--text-primary);
}

.content code {
    font-family: Consolas, "Microsoft YaHei", monospace;
    font-size: 0.95em;
    color: #e2e8f0;
    background: rgba(148, 163, 184, 0.15);
    border-radius: 4px;
    padding: 0.1em 0.4em;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.95rem;
}

.content th,
.content td {
    border: 1px solid var(--dark-border);
    padding: 0.6rem 0.8rem;
    text-align: left;
    vertical-align: top;
    color: #cbd5e1;
}

.content th {
    background: var(--dark-card);
    color: var(--text-primary);
}

.table-scroll {
    overflow-x: auto;
}

.note {
    background: rgba(59, 130, 246, 0.08);
    border-left: 3px solid var(--accent-blue);
    border-radius: 6px;
    padding: 0.9rem 1.1rem;
    margin: 1.2rem 0;
}

.note p {
    margin: 0.2rem 0;
}

.toc {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 2rem;
}

.toc ul {
    columns: 2;
    column-gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc a {
    text-decoration: none;
}

/* 多语言页面（现场技术人员配合指南）：顶部切换按钮，正文按 data-active 只显示一种语言 */
.lang-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 0 0 1.8rem;
}

.lang-switch button {
    background: var(--dark-card);
    color: var(--text-secondary);
    border: 1px solid var(--dark-border);
    border-radius: 999px;
    padding: 0.5rem 1.3rem;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
    font-weight: 600;
}

.lang-wrap[data-active="zh"] .lang-block:not([data-lang="zh"]),
.lang-wrap[data-active="en"] .lang-block:not([data-lang="en"]),
.lang-wrap[data-active="th"] .lang-block:not([data-lang="th"]) {
    display: none;
}

.lang-block[lang="th"] {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Leelawadee UI", "Noto Sans Thai", Tahoma, sans-serif;
}

.figure {
    margin: 1.5rem 0;
}

.figure img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--dark-border);
    display: block;
}

.figure figcaption {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.faq-item {
    border-bottom: 1px solid var(--dark-border);
    padding: 0.4rem 0 1.2rem;
}

.post-list {
    list-style: none;
    padding: 0;
}

.post-list li {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.2rem;
}

.post-list h2 {
    font-size: 1.3rem;
    margin: 0 0 0.5rem;
}

.post-list h2 a {
    color: var(--text-primary);
    text-decoration: none;
}

.post-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.cta-box {
    text-align: center;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 3rem;
}

.cta-box .hero-cta {
    margin-top: 1rem;
}

/* 下载页（Go 模板渲染，见 site_src/pages/download.html） */
.download-box {
    margin-top: 0;
    margin-bottom: 2.5rem;
}

.download-box h2 {
    margin: 0;
    font-size: 1.3rem;
}

.release-notes {
    white-space: pre-line;
}

.content .download-box .release-notes {
    margin: 0.6rem auto 0;
    max-width: 640px;
}

.release-version,
.release-date {
    white-space: nowrap;
}

.badge-current {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.05rem 0.55rem;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    vertical-align: middle;
}

/* 页脚 */
footer {
    padding: 4rem 2rem;
    background: #0a0e17;
    border-top: 1px solid var(--dark-border);
    text-align: center;
}

.footer-container {
    max-width: 900px;
    margin: 0 auto;
}

.footer-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 2rem;
    transition: background 0.2s, transform 0.2s;
}

.footer-download-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.footer-intro {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 680px;
    margin: 0 auto 2rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem 1.4rem;
    list-style: none;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-contact {
    margin-bottom: 2rem;
}

.footer-contact h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-contact-list {
    display: flex;
    justify-content: center;
    gap: 1rem 2rem;
    flex-wrap: wrap;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 0.7rem 1.2rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-primary);
    text-decoration: none;
}

.footer-contact-item:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
}

.footer-contact-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.footer-contact-item span {
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 首页：导航点了在首页里平滑滚动到对应板块（见 build.py 的 NAV），
   顶部导航是固定的，滚过去时留出导航的高度，别让板块标题被挡住 */
html {
    scroll-behavior: smooth;
}

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

#features,
#scenarios,
#languages,
#pricing,
#faq,
#blog {
    scroll-margin-top: 5.5rem;
}

/* 首页：常见问题精选 */
.home-faq {
    padding: 6rem 2rem;
    background: #111827;
}

.home-faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.home-faq .section-subtitle,
.home-blog .section-subtitle {
    margin-bottom: 2.5rem;
}

.faq-q {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    margin-bottom: 0.8rem;
}

.faq-q summary {
    position: relative;
    cursor: pointer;
    list-style: none;
    padding: 1rem 3rem 1rem 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.faq-q summary::after {
    content: '+';
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.4rem;
    font-weight: 400;
}

.faq-q[open] summary::after {
    content: '−';
}

.faq-q summary:hover {
    color: #60a5fa;
}

.faq-a {
    padding: 0 1.25rem 1.1rem;
    color: #cbd5e1;
    line-height: 1.8;
}

/* 首页：最新文章 */
.home-blog {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.home-blog-container {
    max-width: 1100px;
    margin: 0 auto;
}

.home-posts {
    margin-top: 0;
}

.post-card {
    text-align: left;
}

.post-card .post-meta {
    margin-bottom: 0.6rem;
}

/* 响应式 */
@media (max-width: 960px) {
    nav {
        padding: 0.7rem 0;
    }

    /* 窄屏导航是两行，滚动定位时多留一些 */
    #features,
    #scenarios,
    #languages,
    #pricing,
    #faq,
    #blog {
        scroll-margin-top: 7.5rem;
    }

    .nav-container {
        flex-wrap: wrap;
        gap: 0.6rem 1rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        /* flex 子项默认 min-width:auto，会按整排链接的宽度把页面撑宽 */
        min-width: 0;
        margin-left: 0;
        overflow-x: auto;
        gap: 1.1rem;
        padding-bottom: 0.2rem;
        scrollbar-width: none;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .hero,
    .page-hero {
        padding-top: 9rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-subtitle br {
        display: none;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo span {
        font-size: 1.1rem;
    }

    .nav-download-btn {
        padding: 0.5rem 1rem;
    }

    .hero,
    .page-hero,
    .features,
    .workflow,
    .scenarios,
    .summary,
    .home-faq,
    .home-blog,
    .content,
    .screenshot-section,
    footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-badges {
        gap: 1rem;
    }

    .page-hero h1 {
        font-size: 1.8rem;
    }

    .features-grid,
    .workflow-steps,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    .toc ul {
        columns: 1;
    }
}