/* ============================================
   chawrt GitHub Pages - 深色技术风格样式表
   ============================================ */

/* 全局变量 */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-hover: #21262d;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-primary: #58a6ff;
    --accent-secondary: #1f6feb;
    --accent-success: #3fb950;
    --accent-warning: #d29922;
    --accent-danger: #f85149;
    --code-bg: #161b22;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --transition: all 0.2s ease;
}

/* 重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 16px;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 16px;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

ul, ol {
    margin-left: 24px;
    margin-bottom: 16px;
}

li {
    margin-bottom: 8px;
}

strong {
    font-weight: 600;
    color: var(--text-primary);
}

/* 代码块 */
code {
    background-color: var(--code-bg);
    color: var(--accent-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9em;
}

pre {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 16px;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* 表格 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    overflow: hidden;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: var(--bg-hover);
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(22, 27, 34, 0.95);
}

.header-content {
    margin-bottom: 16px;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.nav {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    text-decoration: none;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    text-decoration: none;
}

/* Section */
.section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--accent-primary);
    display: inline-block;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* 项目介绍 */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.intro-main h3 {
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.highlight-box {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--accent-success);
    padding: 24px;
    border-radius: 6px;
    margin-top: 24px;
}

.highlight-box h4 {
    color: var(--accent-success);
    margin-bottom: 16px;
}

.highlight-box ul {
    list-style: none;
    margin: 0;
}

.highlight-box li {
    padding: 4px 0;
    color: var(--text-primary);
}

/* 架构图 */
.architecture h3 {
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.arch-diagram {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
}

.arch-layer {
    margin-bottom: 16px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    border-left: 3px solid var(--accent-primary);
}

.arch-layer:last-child {
    margin-bottom: 0;
    border-left-color: var(--accent-success);
}

.arch-title {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 12px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.arch-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.arch-items span {
    background-color: var(--bg-hover);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* 功能模块 */
.features {
    margin-top: 64px;
}

.features h3 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 32px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.feature-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tech span {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

/* 编译步骤 */
.build-steps {
    margin-bottom: 64px;
}

.step {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    color: var(--accent-primary);
    margin-bottom: 12px;
}

.info-box, .warning-box {
    padding: 16px;
    border-radius: 6px;
    margin-top: 16px;
    border-left: 4px solid;
}

.info-box {
    background-color: rgba(88, 166, 255, 0.1);
    border-left-color: var(--accent-primary);
}

.info-box strong {
    color: var(--accent-primary);
}

.warning-box {
    background-color: rgba(210, 153, 34, 0.1);
    border-left-color: var(--accent-warning);
}

.warning-box strong {
    color: var(--accent-warning);
}

/* 常见问题 */
.troubleshooting {
    margin-bottom: 64px;
}

.troubleshooting h3 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 24px;
}

.faq-grid {
    display: grid;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.faq-item summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none;
    transition: var(--transition);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.faq-item summary::after {
    content: '▼';
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    transform: rotate(180deg);
}

.faq-item summary:hover {
    background-color: var(--bg-hover);
    color: var(--accent-primary);
}

.faq-content {
    padding: 0 20px 20px 20px;
    color: var(--text-secondary);
}

.faq-content ol {
    margin-top: 12px;
}

/* 清理命令表格 */
.build-clean h3 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 24px;
}

.clean-table {
    font-size: 0.95rem;
}

.clean-table code {
    font-size: 0.85rem;
}

/* 设备卡片 */
.devices-grid {
    display: grid;
    gap: 24px;
}

.device-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.device-card:hover {
    border-color: var(--accent-primary);
}

.device-header {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    list-style: none;
}

.device-card summary::-webkit-details-marker {
    display: none;
}

.device-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.device-info h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.device-chip {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

.expand-icon {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: transform 0.2s;
}

.device-card[open] .expand-icon {
    transform: rotate(180deg);
}

.device-header:hover {
    background-color: var(--bg-hover);
}

.device-content {
    padding: 0 24px 24px 24px;
    border-top: 1px solid var(--border-color);
}

.device-specs, .device-flash, .device-recovery, .device-faq {
    margin-top: 24px;
}

.device-specs h4, .device-flash h4, .device-recovery h4, .device-faq h4 {
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.device-specs ul {
    background-color: var(--bg-tertiary);
    padding: 16px 16px 16px 40px;
    border-radius: 6px;
    border-left: 3px solid var(--accent-primary);
}

.device-flash ol {
    counter-reset: flash-counter;
    list-style: none;
    margin-left: 0;
}

.device-flash ol > li {
    counter-increment: flash-counter;
    margin-bottom: 24px;
    position: relative;
    padding-left: 40px;
}

.device-flash ol > li::before {
    content: counter(flash-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.device-flash ul {
    margin-top: 8px;
    margin-left: 20px;
}

.device-recovery {
    background-color: var(--bg-tertiary);
    padding: 16px;
    border-radius: 6px;
    border-left: 3px solid var(--accent-warning);
}

.device-faq details {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 8px;
    overflow: hidden;
}

.device-faq summary {
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none;
    list-style: none;
}

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

.device-faq summary:hover {
    background-color: var(--bg-hover);
}

.device-faq details p {
    padding: 0 16px 12px 16px;
    color: var(--text-secondary);
    margin: 0;
}

.device-placeholder {
    border-style: dashed;
}

.device-placeholder .device-header {
    cursor: default;
}

.device-placeholder .device-content {
    padding: 24px;
    border-top: none;
}

/* 贡献区域 */
.contribute-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.contribute-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.contribute-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.contribute-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.contribute-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.btn {
    display: inline-block;
    background-color: var(--accent-primary);
    color: #fff;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--accent-secondary);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(88, 166, 255, 0.3);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 24px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 32px;
}

.footer-info h4 {
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.footer-info p {
    color: var(--text-secondary);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    font-weight: 500;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        gap: 16px;
    }

    .nav {
        gap: 16px;
    }

    .footer-content {
        flex-direction: column;
    }

    .device-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .contribute-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
}

/* 打印样式 */
@media print {
    .header, .footer, .nav {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* 简化设备卡片 - 用于首页列表 */
.devices-grid-simple {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.device-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.device-card-simple {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.device-card-simple:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.device-card-simple .device-info {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.device-card-simple .device-info h3 {
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.device-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
}

.device-status-stable {
    background-color: rgba(63, 185, 80, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.device-status-beta {
    background-color: rgba(210, 153, 34, 0.15);
    color: var(--accent-warning);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.device-status-experimental {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--accent-danger);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

.device-specs-simple {
    flex: 1;
    margin-bottom: 16px;
}

.spec-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.spec-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.device-action {
    color: var(--accent-primary);
    font-weight: 600;
    text-align: right;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.device-card-link:hover .device-action {
    color: var(--accent-secondary);
}

.no-js-fallback {
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
}

.no-js-fallback ul {
    list-style: none;
    margin: 24px 0 0 0;
    padding: 0;
}

.no-js-fallback li {
    margin: 8px 0;
}

.no-js-fallback a {
    font-size: 1.1rem;
    font-weight: 600;
}

.more-devices {
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
}

.more-devices h3 {
    color: var(--accent-primary);
    margin-bottom: 12px;
}

/* 设备详情页样式 */
.breadcrumb {
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.breadcrumb a:hover {
    color: var(--accent-primary);
}

.breadcrumb span {
    color: var(--text-primary);
}

.device-detail-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.device-detail-header h1 {
    display: inline-block;
    margin-right: 16px;
    margin-bottom: 12px;
}

.device-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}

.detail-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
}

.detail-card h2 {
    color: var(--accent-primary);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.specs-table {
    font-size: 0.95rem;
}

.specs-table th {
    width: 25%;
    text-align: right;
    padding-right: 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

.specs-table td {
    color: var(--text-primary);
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.download-btn:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-hover);
    transform: translateX(4px);
}

.download-icon {
    font-size: 2rem;
}

.download-info {
    flex: 1;
}

.download-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

.tutorial-section, .recovery-section, .faq-section, .resources-section {
    margin-bottom: 48px;
}

.tutorial-section h2, .recovery-section h2, .faq-section h2, .resources-section h2 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 24px;
}

.tutorial-steps {
    display: grid;
    gap: 24px;
}

.tutorial-step {
    display: flex;
    gap: 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
}

.tutorial-step .step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.tutorial-step .step-content h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.tutorial-step .step-content ul {
    margin-left: 20px;
}

.resource-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.resource-link {
    display: block;
    padding: 16px 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.resource-link:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-hover);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.error-message {
    background-color: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--accent-danger);
    border-radius: 6px;
    padding: 24px;
    text-align: center;
    color: var(--accent-danger);
}

/* 响应式调整 - 设备详情页 */
@media (max-width: 768px) {
    .device-detail-grid {
        grid-template-columns: 1fr;
    }

    .devices-grid-simple {
        grid-template-columns: 1fr;
    }

    .resource-links {
        grid-template-columns: 1fr;
    }

    .tutorial-step {
        flex-direction: column;
        gap: 12px;
    }
}

/* 联系方式部分 */
.contact-section {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 48px;
    align-items: start;
}

.contact-text h3 {
    color: var(--accent-primary);
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.contact-features {
    list-style: none;
    margin: 24px 0;
    padding: 0;
}

.contact-features li {
    padding: 10px 0;
    color: var(--text-primary);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.contact-features li:last-child {
    border-bottom: none;
}

.contact-methods {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
}

.contact-methods h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.contact-methods p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.contact-methods strong {
    color: var(--text-primary);
    min-width: 80px;
    display: inline-block;
}

.contact-qr {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.qr-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.qr-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}



.qr-caption {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin: 0;
}

/* 响应式调整 - 联系方式 */
@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-qr {
        justify-content: center;
    }

    .qr-code {
        width: 240px;
        height: 240px;
    }
}



/* 设备详情页联系 CTA */
.contact-cta {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(63, 185, 80, 0.1));
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
}

.contact-cta h3 {
    color: var(--accent-primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.contact-cta p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.contact-cta .btn {
    display: inline-block;
    margin: 0 auto;
}

/* QQ 群横幅 */
.qq-banner {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 99;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.qq-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.qq-banner-text {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
}

.qq-icon {
    font-size: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.qq-banner-btn {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--accent-primary);
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.qq-banner-btn:hover {
    background-color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

@media (max-width: 768px) {
    .qq-banner {
        position: relative;
    }
    
    .qq-banner-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .qq-banner-text {
        flex-direction: column;
        gap: 8px;
    }
}

/* QR 码样式 - 保持原图比例 */
.qr-code {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    background-color: #fff;
    padding: 12px;
    margin-bottom: 16px;
    display: block;
}

/* 响应式调整 - QR 码 */
@media (max-width: 968px) {
    .qr-code {
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    .qr-code {
        max-width: 100%;
        padding: 8px;
    }
}

/* QR 卡片优化 - 适应竖版图片 */
.qr-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: var(--transition);
    max-width: 450px;
}

/* CMCC RAX3000M 特殊样式 */
.version-notice {
    background: linear-gradient(135deg, rgba(210, 153, 34, 0.15), rgba(248, 81, 73, 0.15));
    border: 2px solid var(--accent-warning);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
}

.version-notice h3 {
    color: var(--accent-warning);
    margin-bottom: 16px;
}

.version-notice ul {
    margin: 16px 0 16px 24px;
}

.warning-text {
    color: var(--accent-danger);
    font-weight: 600;
}

.info-text {
    color: var(--accent-primary);
    font-style: italic;
}

.highlight-text {
    background-color: var(--accent-warning);
    color: #000;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 700;
}

.tutorial-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.tutorial-subtitle {
    color: var(--accent-primary);
    font-size: 1.75rem;
    margin: 48px 0 24px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.tutorial-step h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.download-desc-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* Wiki 教程链接样式 */
.wiki-notice {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(63, 185, 80, 0.1));
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
}

.wiki-notice h2 {
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.wiki-notice > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.wiki-link {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    margin-bottom: 24px;
}

.wiki-link:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.wiki-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.wiki-info {
    flex: 1;
}

.wiki-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

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

.wiki-arrow {
    font-size: 2rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.wiki-features {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px;
}

.wiki-features h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.wiki-features ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wiki-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
}

.wiki-features li:last-child {
    border-bottom: none;
}

@media (max-width: 768px) {
    .wiki-link {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .wiki-arrow {
        transform: rotate(90deg);
    }
}

/* SEO 关键词区域 */
.seo-keywords {
    margin-top: 32px;
    padding: 24px;
    background-color: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.6;
}

.seo-keywords h3 {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 8px;
    font-weight: 600;
}

.seo-keywords p {
    margin: 0;
    text-align: justify;
}

@media (max-width: 768px) {
    .seo-keywords {
        font-size: 0.7rem;
        padding: 16px;
    }
}

/* 打赏区域样式 */
.donate-section {
    text-align: center;
}

.donate-content {
    max-width: 800px;
    margin: 0 auto;
}

.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.qr-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: var(--transition);
}

.qr-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.qr-item .qr-code {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.qr-label {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}