/* ===== 通用页面样式 ===== */
.page-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 80px 80px 24px;
    min-height: 100vh;
    perspective: 1000px;
}

.page-header {
    text-align: center;
    margin-bottom: 64px;
    will-change: transform;
    transition: transform 0.05s linear;
}

/* 陀螺仪权限按钮 */
#gyro-permission-btn {
    position: fixed;
    inset: 0;
    z-index: 9999;
}

.gyro-permission-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.gyro-permission-card {
    background: rgba(20, 30, 50, 0.95);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 20px;
    padding: 40px 32px 32px;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.gyro-permission-card svg {
    color: var(--cyan);
    margin-bottom: 16px;
}

.gyro-permission-card p {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.gyro-permission-card span {
    font-size: 14px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 24px;
}

.gyro-permission-card button {
    padding: 12px 32px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.gyro-permission-card button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.page-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.page-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s ease;
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(6, 182, 212, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.feature-card:hover .feature-icon { transform: scale(1.1); }

.feature-icon svg { width: 28px; height: 28px; color: #fff; }

.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.feature-tags span {
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.15);
    color: var(--cyan-light);
    font-size: 12px;
    font-weight: 500;
}

/* 插件页面 */
.pkg-format { text-align: center; margin-bottom: 48px; }

.pkg-card {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(20px, 4vw, 36px);
    font-weight: 700;
    padding: 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 32px;
}

.pkg-symbol { color: var(--text-muted); }
.pkg-highlight { color: var(--cyan); }
.pkg-version { color: var(--blue); }

.pkg-explain {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: center;
}

.explain-symbol {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--cyan-light);
    margin-bottom: 8px;
}

.explain-text { font-size: 14px; color: var(--text-muted); }

/* 终端演示 */
.install-demo {
    max-width: 700px;
    margin: 0 auto 48px;
    background: rgba(10, 15, 30, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    overflow: hidden;
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-dot { width: 12px; height: 12px; border-radius: 50%; }
.demo-dot-red { background: #ef4444; }
.demo-dot-yellow { background: #eab308; }
.demo-dot-green { background: #22c55e; }

.demo-title { margin-left: 12px; font-size: 13px; color: var(--text-muted); }

.demo-body {
    padding: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
}

.cmd-line { display: flex; gap: 12px; margin-bottom: 8px; color: var(--text-secondary); }
.prompt { color: var(--cyan); font-weight: 600; }
.cmd-text { color: #e5e7eb; }
.cmd-output { color: #9ca3af; font-size: 13px; margin-bottom: 4px; }
.cmd-output.success { color: #34d399; }
.cmd-output.indent { padding-left: 24px; }

/* 命令表格 */
.pkg-table { max-width: 800px; margin: 0 auto; }
.pkg-table-title { font-size: 24px; font-weight: 700; margin-bottom: 20px; text-align: center; }

.pkg-table table {
    width: 100%;
    border-collapse: collapse;
}

.pkg-table th, .pkg-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.pkg-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 13px;
}

.pkg-table td code {
    font-family: 'JetBrains Mono', monospace;
    background: rgba(6, 182, 212, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--cyan-light);
}

/* 架构图 */
.arch-diagram { max-width: 900px; margin: 0 auto 64px; }

.arch-layer {
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border);
}

.arch-core {
    background: rgba(6, 182, 212, 0.05);
    border-color: rgba(6, 182, 212, 0.2);
}

.arch-label {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--cyan-light);
}

.arch-modules {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.arch-module {
    padding: 10px 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.arch-connector {
    height: 40px;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan), var(--blue));
    margin: 0 auto;
    position: relative;
}

.arch-connector::before,
.arch-connector::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cyan);
}

.arch-connector::before { top: -6px; }
.arch-connector::after { bottom: -6px; }

.arch-plugins { background: var(--bg-glass); }

.arch-plugin-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.arch-plugin {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.arch-plugin:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.arch-plugin-title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--cyan-light);
}

.arch-plugin-items {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* 数据流 */
.arch-flow { max-width: 900px; margin: 0 auto; }
.arch-flow-title { text-align: center; font-size: 28px; font-weight: 800; margin-bottom: 32px; }

.arch-flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
}

.flow-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-arrow { color: var(--cyan); font-size: 20px; font-weight: 700; }

/* 快速开始 */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.step-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
}

.step-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

.step-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: left;
    background: rgba(10, 15, 30, 0.6);
    padding: 16px;
    border-radius: 8px;
}

.quickstart-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .arch-plugin-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .page-content { padding-left: 24px; }
    .features-grid { grid-template-columns: 1fr; }
    .arch-plugin-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .arch-flow-steps { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
    .pkg-explain { grid-template-columns: 1fr; }
    .pkg-table { overflow-x: auto; }
}