/* ========================================
   浏览器插件页面（plugin.html）样式
   ======================================== */

/* 主内容容器：拉宽整体宽度、左右距浏览器 120px，覆盖默认的 260px 侧栏边距 */
.plugin-page {
    margin: 0 auto;
    max-width: none;
    width: 100%;
    padding: 72px 120px var(--space-xl);
    position: relative;
}

/* 区块通用间距 */
.plugin-section {
    padding: 56px 0;
}

/* ===== Hero ===== */
.plugin-hero {
    position: relative;
    padding: 20px 0 30px;
    overflow: hidden;
}

.plugin-hero-bg {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 560px;
    background:
        radial-gradient(ellipse at 50% 40%, rgba(59, 130, 246, 0.18), transparent 60%),
        radial-gradient(ellipse at 80% 10%, rgba(99, 102, 241, 0.10), transparent 55%);
    filter: blur(10px);
    pointer-events: none;
    z-index: 0;
}

.plugin-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 56px;
    align-items: center;
}

.plugin-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
    letter-spacing: 0.2px;
}

.plugin-title {
    font-family: var(--font-cn);
    font-size: 3.2rem;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 22px;
    background: linear-gradient(120deg, #ffffff 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.plugin-hero-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 34px;
}

.plugin-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.plugin-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--accent);
    color: #fff;
    padding: 14px 30px;
    border-radius: 999px;
    font-family: var(--font-cn);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.plugin-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.plugin-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: 14px 30px;
    border-radius: 999px;
    font-family: var(--font-cn);
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
}

.plugin-btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.plugin-hero-visual {
    display: flex;
    justify-content: center;
}

.plugin-illustration {
    width: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(59, 130, 246, 0.03));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card), 0 0 60px rgba(59, 130, 246, 0.12);
}

.plugin-illustration svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== 通用区块标题 ===== */
.section-heading {
    font-family: var(--font-cn);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
    position: relative;
    padding-left: 18px;
}

.section-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--accent), var(--accent-hover));
}

/* ===== 功能亮点 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px 24px;
    transition: all var(--transition);
}

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

.feature-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.12);
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-cn);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.75;
}

/* ===== 支持的浏览器 ===== */
.browsers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.browser-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition);
}

.browser-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.browser-logo {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: 12px;
}

.browser-logo img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.browser-info {
    flex: 1;
    min-width: 0;
}

.browser-info h3 {
    font-family: var(--font-cn);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.browser-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.browser-steps-toggle {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 6px;
    padding: 7px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-cn);
    transition: all var(--transition);
}

.browser-steps-toggle:hover {
    background: rgba(59, 130, 246, 0.2);
}

.browser-steps {
    list-style: none;
    margin-top: 14px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease;
}

.browser-steps.show {
    max-height: 400px;
    opacity: 1;
    margin-top: 6px;
}

.browser-steps li {
    position: relative;
    padding: 7px 0 7px 22px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    border-left: 2px solid var(--border);
    margin-left: 4px;
}

.browser-steps li::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 13px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.browser-steps code,
.step-content code {
    background: var(--bg-elevated);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: #93c5fd;
}

/* ===== 详细安装教程（时间轴） ===== */
.install-steps {
    position: relative;
    display: flex;
    flex-direction: column;
    padding-left: 8px;
}

.install-steps::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 22px;
    bottom: 22px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--border));
}

.install-step {
    position: relative;
    display: flex;
    gap: 24px;
    padding: 16px 0;
}

.step-number {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    font-family: var(--font-en);
    font-weight: 600;
    font-size: 1.15rem;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.step-content {
    padding-top: 4px;
}

.step-content h3 {
    font-family: var(--font-cn);
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.75;
}

/* ===== 使用小技巧 ===== */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tip-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition);
}

.tip-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.tip-num {
    flex-shrink: 0;
    font-family: var(--font-en);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    padding: 4px 12px;
    line-height: 1.3;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.75;
}

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

/* ===== 更新内容弹窗 ===== */
.changelog-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.changelog-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.changelog-dialog {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 640px;
    width: 100%;
    max-height: 82vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.changelog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.changelog-header h2 {
    font-family: var(--font-cn);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.changelog-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.7rem;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition);
}

.changelog-close:hover {
    color: var(--text-primary);
}

.changelog-body {
    padding: 24px;
    overflow-y: auto;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.92rem;
}

.changelog-body h2,
.changelog-body h3,
.changelog-body h4 {
    color: var(--text-primary);
    margin: 16px 0 8px;
    font-family: var(--font-cn);
}

.changelog-body h2 { font-size: 1.2rem; }
.changelog-body h3 { font-size: 1.05rem; }
.changelog-body h4 { font-size: 0.95rem; }

.changelog-body ul {
    margin: 8px 0 8px 20px;
}

.changelog-body li {
    margin-bottom: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .plugin-page {
        padding: 72px 60px var(--space-xl);
    }

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

    .plugin-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .plugin-hero-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .plugin-page {
        padding: 72px 16px var(--space-xl);
    }

    .plugin-title {
        font-size: 2.3rem;
    }

    .browsers-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }

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

    .browser-card {
        flex-direction: column;
        gap: 14px;
    }

    .install-step {
        gap: 14px;
    }

    .install-steps::before {
        left: 22px;
    }

    .step-number {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .plugin-hero-actions {
        flex-direction: column;
    }

    .plugin-btn-primary,
    .plugin-btn-secondary {
        width: 100%;
    }
}