/* ===== 页面级样式（手机原生优先） ===== */
.page-gradient-header {
    position: relative;
    padding: clamp(2.5rem, 8vw, 4.5rem) clamp(1rem, 4vw, 2rem) clamp(2rem, 6vw, 3rem);
    background: linear-gradient(135deg, #0f1724 0%, #1e293b 40%, #0f1724 100%);
    overflow: hidden;
    text-align: center;
}
[data-theme="dark"] .page-gradient-header {
    background: linear-gradient(135deg, #0a0f1a 0%, #1a2744 40%, #0a0f1a 100%);
}
/* 装饰光晕 */
.page-gradient-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
    pointer-events: none;
}
.page-gradient-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 50%;
    height: 80%;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.page-gradient-header h1 {
    position: relative;
    z-index: 1;
    font-size: clamp(1.4rem, 4.5vw, 2rem);
    font-weight: 800;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.025em;
    line-height: 1.3;
    text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.page-gradient-header .page-subtitle {
    position: relative;
    z-index: 1;
    font-size: clamp(0.8rem, 2.5vw, 1rem);
    color: rgba(255,255,255,0.6);
    margin-top: 0.5rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ===== 面包屑导航 ===== */
.page-breadcrumbs-wrap {
    padding: 0.75rem clamp(0.75rem, 4vw, 2rem);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
}
[data-theme="dark"] .page-breadcrumbs-wrap {
    background: var(--bg-secondary);
    border-color: var(--border);
}
.page-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: clamp(0.75rem, 2.2vw, 0.875rem);
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}
.page-breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    flex-shrink: 0;
}
.page-breadcrumbs a:hover {
    color: var(--accent);
}
.page-breadcrumbs .sep {
    color: var(--text-muted);
    flex-shrink: 0;
    font-size: 0.65rem;
}
.page-breadcrumbs .current {
    color: var(--text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
    flex-shrink: 0;
}

/* ===== 玻璃态内容区 ===== */
.page-content-wrap {
    padding: clamp(0.75rem, 3vw, 1.5rem) clamp(0.75rem, 4vw, 2rem);
    max-width: 800px;
    margin: 0 auto;
}
.page-glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: clamp(0.75rem, 2.5vw, 1rem);
    padding: clamp(1rem, 3vw, 1.75rem);
    box-shadow: var(--glass-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 200px;
}
[data-theme="dark"] .page-glass-card {
    background: rgba(255,255,255,0.03);
    border-color: rgba(255,255,255,0.05);
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.page-glass-card .entry-content {
    font-size: clamp(0.9rem, 2.6vw, 1rem);
    line-height: 1.8;
    color: var(--text-secondary);
}
.page-glass-card .entry-content h1,
.page-glass-card .entry-content h2,
.page-glass-card .entry-content h3 {
    color: var(--text);
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}
.page-glass-card .entry-content h2 { font-size: clamp(1.15rem, 3vw, 1.35rem); }
.page-glass-card .entry-content h3 { font-size: clamp(1rem, 2.8vw, 1.15rem); }
.page-glass-card .entry-content p { margin-bottom: 1em; }
.page-glass-card .entry-content img {
    border-radius: 0.625rem;
    margin: 1.25rem 0;
}
.page-glass-card .entry-content ul,
.page-glass-card .entry-content ol {
    padding-left: 1.25rem;
    margin-bottom: 1em;
}
.page-glass-card .entry-content li { margin-bottom: 0.35em; }
.page-glass-card .entry-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.page-glass-card .entry-content a:hover { color: var(--accent-hover); }
.page-glass-card .entry-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.75rem 1rem;
    margin: 1.25rem 0;
    background: var(--bg-tertiary);
    border-radius: 0 0.5rem 0.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
}
.page-glass-card .entry-content code {
    background: var(--bg-tertiary);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

/* ===== 加载动画 ===== */
@keyframes pageFadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.page-animate-in {
    animation: pageFadeUp 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.page-animate-in-delay-1 { animation-delay: 0.1s; }
.page-animate-in-delay-2 { animation-delay: 0.2s; }

/* ===== 手机端底部间距 ===== */
@media (max-width: 640px) {
    .page-content-wrap {
        padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    }
}