﻿img {
    max-width: 100%;
    height: auto;
}
/* 
 * XMT4 极客站 - 企业级 SaaS 明亮风 (紧凑版)
 */

/* ==========================================================================
   CSS 变量定义 (CSS Variables)
   ========================================================================== */
   :root {
    /* 颜色系统 - 企业级明亮蓝调 */
    --bg-white: #ffffff;
    --bg-gray: #f1f5f9;          
    --bg-gray-dark: #e2e8f0;
    
    --brand-primary: #0060FF;    
    --brand-primary-hover: #0052cc;
    --brand-primary-light: #e6f0ff;
    
    --text-heading: #0f172a;     
    --text-main: #334155;        
    --text-muted: #64748b;       
    
    --border-light: #e2e8f0;
    
    /* 阴影与圆角 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 20px 40px -5px rgba(0, 96, 255, 0.15); 
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* 排版 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition-fast: 0.2s ease;
}

/* ==========================================================================
   全局重置与排版
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-family);
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--brand-primary); text-decoration: none; transition: all var(--transition-fast); }
a:hover { color: var(--brand-primary-hover); }

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.25;
}

.text-primary { color: var(--brand-primary); }
.bg-gray { background-color: var(--bg-gray); }

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

/* OPTIMIZED: Reduced vertical padding from 90px to 60px */
.section-padding { padding: 60px 0; }

/* OPTIMIZED: Reduced margin-bottom from 60px to 40px */
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 2.25rem; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-header p { color: var(--text-muted); font-size: 1.125rem; max-width: 600px; margin: 0 auto; }

/* ==========================================================================
   按钮 (Buttons)
   ========================================================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); font-weight: 600; cursor: pointer;
    transition: all var(--transition-fast); border: 2px solid transparent; outline: none;
}
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-md { padding: 12px 24px; font-size: 1rem; }
.btn-lg { padding: 14px 32px; font-size: 1.125rem; border-radius: var(--radius-md); }
.btn-block { width: 100%; padding: 12px 0; }

.btn-primary {
    background: var(--brand-primary); color: #fff;
    box-shadow: 0 4px 10px rgba(0, 96, 255, 0.2);
}
.btn-primary:hover { background: var(--brand-primary-hover); transform: translateY(-2px); color: #fff; box-shadow: 0 6px 15px rgba(0, 96, 255, 0.35); }

.btn-outline {
    background: transparent; color: var(--brand-primary); border-color: var(--brand-primary);
}
.btn-outline:hover { background: var(--brand-primary-light); transform: translateY(-1px); }

/* 呼吸光效 CTA 按钮 */
.btn-pulse {
    animation: pulse-glow 2s infinite;
}
@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(0, 96, 255, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 96, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 96, 255, 0); }
}

/* ==========================================================================
   SaaS 扁平阴影卡片 (SaaS Card)
   ========================================================================== */
.saas-card {
    background: var(--bg-white); border-radius: var(--radius-md);
    /* OPTIMIZED: Reduced inner padding from 32px to 24px */
    padding: 24px; border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm); transition: all 0.3s ease;
}
.saas-card:hover {
    transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent;
}

/* ==========================================================================
   头部导航 (Header) & Logo
   ========================================================================== */
.saas-header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8); transition: all var(--transition-fast);
}
.saas-header.scrolled { box-shadow: var(--shadow-md); border-bottom-color: transparent; }

.nav-container { display: flex; justify-content: space-between; align-items: center; height: 72px; }

/* SVG 专属 Logo 排版 */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-primary);
    letter-spacing: -0.5px;
}
.brand-logo svg {
    flex-shrink: 0;
}
.brand-logo span { color: var(--text-heading); font-weight: 700; }

.main-nav ul { display: flex; gap: 16px; list-style: none; align-items: center; }
.main-nav a { 
    color: var(--text-main); 
    font-weight: 600; 
    font-size: 0.95rem; 
    padding: 8px 16px;
    border-radius: 100px;
    transition: all 0.3s ease;
}
.main-nav a:hover, .main-nav a.active { 
    color: var(--brand-primary); 
    background: rgba(0, 96, 255, 0.1);
}
.header-actions { display: flex; align-items: center; }

/* ==========================================================================
   Hero 区域 (2-Column + 科技网格背景)
   ========================================================================== */
/* OPTIMIZED: Reduced Hero padding */
.saas-hero {
    position: relative; padding: 120px 0 50px; overflow: hidden; 
    background: linear-gradient(135deg, #f0f5ff 0%, #ffffff 100%); 
}

/* 绘制背景科技网格 (Grid Pattern) */
.hero-grid-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(0, 96, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 96, 255, 0.03) 1px, transparent 1px);
    z-index: 0;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
}

.hero-bg-pattern {
    position: absolute; top: -100px; right: -100px; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0, 96, 255, 0.08) 0%, rgba(255,255,255,0) 70%);
    z-index: 0; pointer-events: none;
}

.hero-container {
    display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 1;
}

.hero-content { flex: 1; max-width: 580px; padding-right: 40px; }
.hero-label {
    display: inline-block; padding: 6px 14px; background: rgba(0, 96, 255, 0.1);
    color: var(--brand-primary); font-size: 0.85rem; font-weight: 600;
    border-radius: var(--radius-full); margin-bottom: 24px;
}
.hero-content h1 { font-size: 3.5rem; letter-spacing: -1.5px; margin-bottom: 20px; line-height: 1.15; }
.hero-subtitle { font-size: 1.125rem; color: var(--text-muted); margin-bottom: 32px; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 32px; }
.hero-trust { display: flex; align-items: center; gap: 12px; font-size: 0.875rem; color: var(--text-muted); }
.hero-trust strong { color: var(--text-heading); }
.hero-trust .dot { color: #cbd5e1; }

.hero-visual { flex: 1; position: relative; display: flex; justify-content: flex-end; }
/* Abstract Dashboard Mockup via CSS */
.mockup-container { position: relative; width: 100%; max-width: 520px; height: 400px; }
.mockup-window {
    position: absolute; top: 0; right: 0; width: 100%; height: 320px;
    background: #fff; border-radius: 12px; box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-light); overflow: hidden; display: flex; flex-direction: column;
}
.mockup-header { background: #f8fafc; height: 40px; border-bottom: 1px solid var(--border-light); display: flex; align-items: center; padding: 0 16px; gap: 8px; }
.mockup-header .dot { width: 12px; height: 12px; border-radius: 50%; }
.mockup-header .red { background: #ff5f56; } .mockup-header .yellow { background: #ffbd2e; } .mockup-header .green { background: #27c93f; }
.mockup-body { display: flex; flex: 1; }
.mockup-sidebar { width: 80px; border-right: 1px solid var(--border-light); padding: 20px 10px; display: flex; flex-direction: column; gap: 12px; background: #f8fafc; }
.mockup-line { height: 8px; background: #cbd5e1; border-radius: 4px; } .w-full { width: 100%; } .w-half { width: 60%; }
.mockup-content { flex: 1; padding: 24px; position: relative; }
.chart-area { width: 100%; height: 100%; border-bottom: 1px dashed var(--border-light); position: relative; }
.candle { position: absolute; bottom: 0; width: 14px; border-radius: 3px 3px 0 0; }
.candle.up { background: var(--brand-primary); } .candle.down { background: #ef4444; }

.floating-card {
    position: absolute; background: #fff; border-radius: 12px; padding: 16px 20px;
    box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px;
    font-weight: 600; color: var(--text-heading); border: 1px solid var(--border-light);
    animation: float 6s ease-in-out infinite;
}
.floating-card .icon { font-size: 1.5rem; background: var(--brand-primary-light); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 8px; }
.card-1 { bottom: 20px; left: -30px; animation-delay: 0s; }
.card-2 { top: 60px; right: -20px; animation-delay: 2s; }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }

/* ==========================================================================
   Trust Bar
   ========================================================================== */
.trust-bar { background: #f8fafc; padding: 24px 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.trust-badges {
    display: flex; justify-content: center; align-items: center; gap: 60px; flex-wrap: wrap;
}
.trust-badge {
    display: flex; align-items: center; gap: 12px; font-size: 0.95rem; font-weight: 600; color: var(--text-heading);
}
.trust-icon {
    width: 24px; height: 24px; color: var(--brand-primary); display: flex; align-items: center; justify-content: center;
}
.trust-icon svg { width: 100%; height: 100%; }

/* ==========================================================================
   下载区 (Download)
   ========================================================================== */
/* OPTIMIZED: Gap reduced from 30px to 24px */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.download-card { text-align: center; display: flex; flex-direction: column; }
.card-icon-wrapper { width: 64px; height: 64px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; border-radius: 16px; font-size: 2rem; }
.card-icon-wrapper.blue { background: #eff6ff; color: #3b82f6; }
.card-icon-wrapper.green { background: #f0fdf4; color: #22c55e; }
.card-icon-wrapper.gray { background: #f1f5f9; color: #64748b; }
.version-info { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
.card-features { margin-bottom: 32px; text-align: left; flex-grow: 1; list-style: none; }
.card-features li { margin-bottom: 12px; position: relative; padding-left: 24px; color: var(--text-main); font-size: 0.95rem; }
.card-features li::before { content: '✓'; color: var(--brand-primary); position: absolute; left: 0; font-weight: bold; }

/* ==========================================================================
   核心特性 (Features)
   ========================================================================== */
/* OPTIMIZED: Gap reduced from 40px to 24px */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-item { padding: 0; border: none; background: transparent; }
.f-icon-box { width: 56px; height: 56px; background: var(--brand-primary-light); color: var(--brand-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.75rem; margin-bottom: 16px; }
.feature-item h4 { font-size: 1.125rem; margin-bottom: 8px; }
.feature-item p { color: var(--text-muted); font-size: 0.95rem; }

/* ==========================================================================
   极速上手 (Quick Start Process)
   ========================================================================== */
.process-container { display: flex; justify-content: space-between; align-items: flex-start; }
.process-step { flex: 1; }
.process-number { font-size: 4rem; font-weight: 800; color: #e2e8f0; line-height: 1; margin-bottom: 16px; font-family: Arial, sans-serif; }
.process-content h4 { font-size: 1.125rem; margin-bottom: 12px; }
.process-content p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 16px; max-width: 85%; }
.process-link { font-weight: 600; font-size: 0.9rem; }
.process-connector { flex: 0.2; height: 2px; background: var(--border-light); margin-top: 40px; }

/* ==========================================================================
   常见问题 (FAQ Accordion)
   ========================================================================== */
/* OPTIMIZED: Gap reduced from 40px to 24px */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; box-shadow: var(--shadow-sm); }
/* OPTIMIZED: Inner padding reduced */
.faq-question { padding: 16px 20px; font-size: 1.05rem; font-weight: 600; color: var(--text-heading); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: #fff; transition: background var(--transition-fast); }
.faq-question:hover { background: #f8fafc; color: var(--brand-primary); }
.toggle-icon { position: relative; width: 16px; height: 16px; }
.toggle-icon::before, .toggle-icon::after { content: ''; position: absolute; background: #94a3b8; transition: transform 0.3s; }
.toggle-icon::before { top: 7px; left: 0; width: 16px; height: 2px; }
.toggle-icon::after { top: 0; left: 7px; width: 2px; height: 16px; }
.faq-card.active .toggle-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; background: #fff; }
/* OPTIMIZED: Inner padding reduced */
.faq-answer p { padding: 0 20px 20px; color: var(--text-muted); font-size: 0.95rem; border-top: 1px solid transparent; }
.faq-card.active .faq-answer { max-height: 300px; }
.faq-card.active .faq-question { border-bottom: 1px solid var(--border-light); }

/* ==========================================================================
   文章预告 (Articles)
   ========================================================================== */
/* OPTIMIZED: Gaps reduced */
.articles-layout { display: flex; flex-direction: column; gap: 24px; }
.articles-top-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.articles-bottom-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 0.85rem; }
.article-meta .tag { color: var(--brand-primary); background: var(--brand-primary-light); padding: 4px 12px; border-radius: var(--radius-full); font-weight: 500; }
.article-meta .date { color: var(--text-muted); }
.article-card-large h3 { font-size: 1.25rem; margin-bottom: 12px; }
.article-excerpt { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.6; }
.read-more { font-weight: 600; font-size: 0.9rem; }
.article-card-small h4 { font-size: 1.05rem; margin-bottom: 0; line-height: 1.5; }
.view-all-wrapper { text-align: center; margin-top: 32px; }

/* ==========================================================================
   页脚 (Footer) & 风险提示
   ========================================================================== */
.saas-footer { background: #0A1526; color: #cbd5e1; padding: 60px 0 0; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.logo-footer { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; }
.footer-brand p { margin-bottom: 24px; max-width: 320px; color: #94a3b8; }
.footer-contact p { font-size: 0.9rem; font-weight: 600; color: #fff; }
.footer-links h4 { color: #fff; margin-bottom: 20px; font-size: 1.1rem; }
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 12px; }
.footer-links a { color: #94a3b8; }
.footer-links a:hover { color: #fff; }

/* 核心：高风险提示框 */
.risk-warning {
    background: #111e36;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px 0;
    margin-bottom: 0;
}
.risk-warning .container {
    font-size: 0.75rem;
    line-height: 1.8;
    color: #64748b;
    text-align: justify;
}
.risk-warning strong {
    color: #94a3b8;
}

.footer-bottom { background: #08101d; padding: 24px 0; text-align: center; font-size: 0.85rem; color: #64748b; }

/* ==========================================================================
   响应式设计
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container { flex-direction: column; text-align: center; }
    .hero-content { padding-right: 0; margin-bottom: 60px; }
    .hero-cta { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { justify-content: center; }
    .mockup-container { margin: 0 auto; }
    .download-grid, .features-grid, .articles-bottom-row { grid-template-columns: repeat(2, 1fr); }
    .articles-bottom-row article:last-child { display: none; }
}

@media (max-width: 768px) {
    .main-nav, .header-actions { display: none; }
    .mobile-menu-btn { display: flex; flex-direction: column; gap: 5px; }
    .mobile-menu-btn span { width: 24px; height: 2px; background: var(--text-heading); }
    
    /* Hero Optimization */
    .hero-content h1 { font-size: 2rem; line-height: 1.25; }
    .hero-visual { display: none; } /* Hide complex mockup */
    .hero-cta { flex-direction: column; }
    .hero-content { margin-bottom: 0; } /* Remove dead space since visual is hidden */
    .saas-hero { padding-bottom: 32px; } /* Reduce bottom padding */
    
    /* Trust Bar Optimization */
    .trust-bar { padding: 16px 0; } /* Reduce grey bar padding */
    .trust-badges { gap: 12px; flex-direction: column; align-items: flex-start; width: max-content; margin: 0 auto; max-width: 100%; }
    .trust-badge { white-space: nowrap; font-size: 0.9rem; }
    
    /* Grids Optimization */
    .download-grid, .faq-grid, .articles-top-row { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } /* 2 columns for compactness */
    .articles-bottom-row { grid-template-columns: 1fr; }
    .articles-bottom-row article:last-child { display: block; }
    
    /* Process Flow Optimization */
    .process-container { flex-direction: column; gap: 24px; }
    .process-number { font-size: 3rem; margin-bottom: 8px; }
    .process-connector { display: none; } /* Hide connector */
    
    /* Footer & Margins */
    .footer-content { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
    .footer-brand { grid-column: 1 / -1; }
    .risk-warning .container { text-align: left; }
    .section-padding { padding: 50px 0; }
}


/* ==========================================================================
   资讯/博客两栏布局 (Blog Layout)
   ========================================================================== */
.blog-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 80px;
}

@media (max-width: 992px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
}

/* 页面头部增强 */
.article-header h1 {
    font-size: 2.25rem;
    margin-bottom: 20px;
}
.article-meta-info {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.article-meta-info .meta-item {
    position: relative;
}

/* 资讯列表卡片 */
.article-list-card {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}
@media (max-width: 768px) {
    .article-list-card {
        flex-direction: column;
        gap: 20px;
    }
}
.article-list-card:last-child {
    border-bottom: none;
}
.article-thumb {
    flex: 0 0 320px;
    border-radius: 12px;
    overflow: hidden;
    display: block;
}
.article-thumb img, .thumb-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.article-list-card:hover .article-thumb img, 
.article-list-card:hover .thumb-placeholder {
    transform: scale(1.05);
}
.article-content-preview {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.article-meta {
    margin-bottom: 12px;
    font-size: 0.9rem;
}
.category-tag {
    color: var(--brand-primary);
    background: var(--brand-primary-light);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 500;
    margin-right: 12px;
}
.article-content-preview h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    line-height: 1.4;
}
.article-content-preview h2 a {
    color: var(--text-dark);
    text-decoration: none;
}
.article-content-preview h2 a:hover {
    color: var(--brand-primary);
}
.article-excerpt {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 1rem;
}
.read-more {
    font-weight: 600;
    color: var(--brand-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

/* 分页器 Pagination */
.pagination {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}
.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}
.page-numbers.current, .page-numbers:hover:not(.dots) {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}
.page-numbers.dots {
    border: none;
    background: none;
}
.page-numbers.next {
    padding: 0 16px;
}

/* 侧边栏 Widget */
.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.02);
}
.sidebar-widget h3 {
    font-size: 1.15rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--brand-primary-light);
    display: inline-block;
}
.category-nav-widget ul, .hot-articles-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.category-nav-widget li, .hot-articles-widget li {
    margin-bottom: 12px;
}
.category-nav-widget li:last-child, .hot-articles-widget li:last-child {
    margin-bottom: 0;
}
.category-nav-widget a {
    display: flex;
    justify-content: space-between;
    color: var(--text-body);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}
.category-nav-widget a:hover, .category-nav-widget a.active {
    background: var(--brand-primary-light);
    color: var(--brand-primary);
    font-weight: 500;
}
.hot-articles-widget a {
    color: var(--text-body);
    text-decoration: none;
    display: block;
    line-height: 1.5;
    padding: 4px 0;
    transition: color 0.2s;
}
.hot-articles-widget a:hover {
    color: var(--brand-primary);
}
.cta-widget {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #0044cc 100%);
    color: white;
    border: none;
}
.cta-widget h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 8px;
}
.cta-widget p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 20px;
    font-size: 0.95rem;
}
.cta-widget .btn {
    background: white;
    color: var(--brand-primary);
    width: 100%;
}
.cta-widget .btn:hover {
    background: var(--bg-light);
}

/* 详情页排版 (Article Content) */
.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}
.article-content p {
    margin-bottom: 24px;
}
.article-content h2 {
    font-size: 1.6rem;
    margin-top: 48px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.article-content h3 {
    font-size: 1.3rem;
    margin-top: 32px;
    margin-bottom: 16px;
}
.article-content ul, .article-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}
.article-content li {
    margin-bottom: 10px;
}
.article-content blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: var(--brand-primary-light);
    border-left: 4px solid var(--brand-primary);
    border-radius: 0 8px 8px 0;
    color: var(--text-dark);
    font-style: italic;
}
.article-content blockquote p:last-child {
    margin-bottom: 0;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 32px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.article-content code {
    background: var(--bg-card);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e83e8c;
    border: 1px solid var(--border-color);
}
.risk-disclaimer {
    margin-top: 48px;
    padding: 20px;
    background: #fff3cd;
    border-left: 4px solid #ffeeba;
    color: #856404;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
}

