/* ==========================================================================
   呆鹅云 (daieyun.homes) - 官方落地页样式表
   风格关键词：精致高雅、作品突出、全屏大图背景、极简导航、网格悬停与微光
   ========================================================================== */

:root {
    --font-serif: "KaiTi", "楷体", "STKaiti", "DFKai-SB", "Noto Serif SC", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* 高雅色彩系统 */
    --primary-color: #e06c88;
    --primary-light: #f48fb1;
    --primary-dark: #b83b5e;
    --accent-color: #9c27b0;
    --accent-cyan: #00bcd4;
    
    --bg-dark: #121016;
    --bg-card: rgba(255, 255, 255, 0.82);
    --bg-card-hover: rgba(255, 255, 255, 0.94);
    --bg-glass: rgba(255, 240, 243, 0.65);
    
    --text-primary: #2c1820;
    --text-secondary: #5c444e;
    --text-muted: #8c707c;
    --text-light: #ffffff;
    
    --border-color: rgba(224, 108, 136, 0.2);
    --border-glow: rgba(224, 108, 136, 0.5);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-soft: 0 10px 30px rgba(184, 59, 94, 0.08);
    --shadow-hover: 0 20px 40px rgba(184, 59, 94, 0.18);
    --shadow-glow: 0 0 25px rgba(224, 108, 136, 0.35);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-serif);
    color: var(--text-primary);
    background-color: #fdf6f7;
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* 全屏大图背景 + 遮罩浮层 */
.bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: radial-gradient(circle at 70% 30%, #fbe3eb 0%, #f7d6e0 40%, #f1c5d4 70%, #e8b4c8 100%);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* 浮动斑斓光晕效果 (模拟图4 bokeh效果) */
.bokeh-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: floatBokeh 18s infinite alternate ease-in-out;
}

.bokeh-1 {
    width: 450px;
    height: 450px;
    background: rgba(255, 255, 255, 0.85);
    top: 10%;
    right: 15%;
    animation-duration: 22s;
}

.bokeh-2 {
    width: 350px;
    height: 350px;
    background: rgba(244, 143, 177, 0.45);
    bottom: 15%;
    left: 10%;
    animation-duration: 16s;
}

.bokeh-3 {
    width: 500px;
    height: 500px;
    background: rgba(255, 230, 238, 0.7);
    top: 40%;
    left: 35%;
    animation-duration: 28s;
}

@keyframes floatBokeh {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -40px) scale(1.1); }
    100% { transform: translate(-20px, 30px) scale(0.95); }
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* 容器与布局 */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 极简粘性导航 */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-soft);
    padding: 12px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 35px rgba(184, 59, 94, 0.12);
    top: 12px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    box-shadow: var(--shadow-glow);
}

.nav-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #b83b5e, #e06c88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--primary-dark);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-nav-cta {
    background: linear-gradient(135deg, #b83b5e, #e06c88);
    color: var(--text-light) !important;
    padding: 8px 22px !important;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px rgba(184, 59, 94, 0.25);
    cursor: pointer;
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 59, 94, 0.4);
}

.btn-nav-cta::after {
    display: none !important;
}

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 34px;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-serif);
    border-radius: var(--radius-full);
    text-decoration: none;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    background: linear-gradient(135deg, #b83b5e 0%, #e06c88 100%);
    color: var(--text-light);
    box-shadow: 0 8px 25px rgba(184, 59, 94, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #a23250 0%, #d45b78 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(184, 59, 94, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.85);
    color: var(--primary-dark);
    border: 1px solid var(--primary-color);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: #ffffff;
    color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-dark);
}

/* HERO 区 */
.hero {
    padding-top: 160px;
    padding-bottom: 90px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(224, 108, 136, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    backdrop-filter: blur(8px);
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: 1px;
    color: #231218;
}

.hero-title span.highlight {
    background: linear-gradient(135deg, #a22b49 0%, #e06c88 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 38px auto;
    font-weight: 500;
    line-height: 1.8;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.stat-item h3 {
    font-size: 2.2rem;
    color: var(--primary-dark);
    font-weight: 800;
}

.stat-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* 模块标题通用 */
.section-header {
    text-align: center;
    margin-bottom: 54px;
}

.section-tag {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-dark);
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
}

/* 核心优势 - 网格悬停光芒效果 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 90px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    transform: translate(-50%, -50%);
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(224, 108, 136, 0.25) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    border-radius: 50%;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(224, 108, 136, 0.4);
    background: rgba(255, 255, 255, 0.92);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(224, 108, 136, 0.15), rgba(184, 59, 94, 0.1));
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 22px;
}

.feature-title {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 核心价格区域 - 完美对应图1黑灰色复刻或高雅粉白定制版 (严格还原图1文案与结构) */
.pricing-section {
    padding: 60px 0 90px 0;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

/* 图1风格重现卡片：深色版面与粉紫色徽章 */
.pricing-card {
    background: #232323;
    color: #e5e5e5;
    border-radius: 12px;
    padding: 32px 28px;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
    border: 1px solid #333333;
    transition: var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.5);
    border-color: #e06c88;
}

.pricing-card.featured {
    border: 2px solid #b83b5e;
    background: #1e1e1e;
}

.featured-ribbon {
    position: absolute;
    top: 18px;
    right: -28px;
    background: linear-gradient(135deg, #d81b60, #ab47bc);
    color: #fff;
    font-size: 0.85rem;
    font-weight: bold;
    padding: 4px 34px;
    transform: rotate(45deg);
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
}

.pricing-header {
    margin-bottom: 20px;
    border-bottom: 1px solid #333333;
    padding-bottom: 20px;
}

.pricing-plan-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
}

.pricing-price-box {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.pricing-currency {
    font-size: 1.4rem;
    color: #ff4d4f;
    font-weight: bold;
}

.pricing-amount {
    font-size: 2.6rem;
    font-weight: 800;
    color: #ff4d4f;
    line-height: 1;
}

.pricing-period {
    font-size: 0.95rem;
    color: #999999;
}

.btn-pricing {
    width: 100%;
    margin-top: 18px;
    margin-bottom: 24px;
    padding: 12px 0;
    background: #501d24;
    color: #ff859b;
    border: 1px solid #8c2b3a;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.btn-pricing:hover {
    background: #7a2532;
    color: #ffffff;
    border-color: #e06c88;
    box-shadow: 0 4px 15px rgba(224, 108, 136, 0.3);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 0.98rem;
}

.pricing-feature-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-label-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-label {
    font-weight: bold;
    color: #ffffff;
}

.feature-tag {
    background: #8c2518;
    color: #ffb8a9;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.feature-val-row {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #cccccc;
    padding-left: 4px;
}

.check-icon {
    color: #52c41a;
    font-weight: bold;
    font-size: 1.1rem;
}

/* 节点列表 */
.nodes-section {
    padding: 60px 0;
}

.nodes-table-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.nodes-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.nodes-table th, .nodes-table td {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(224, 108, 136, 0.12);
}

.nodes-table th {
    background: rgba(255, 240, 243, 0.7);
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 1.05rem;
}

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

.nodes-table tr:hover {
    background: rgba(255, 255, 255, 0.95);
}

.node-flag {
    margin-right: 8px;
    font-size: 1.2rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.status-online {
    background: #e6f7ff;
    color: #1890ff;
    border: 1px solid #91d5ff;
}

.ping-val {
    font-family: monospace;
    font-weight: bold;
    color: #52c41a;
}

/* 12 篇 SEO 知识库展示网格 */
.articles-section {
    padding: 60px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.article-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(224, 108, 136, 0.4);
    background: rgba(255, 255, 255, 0.95);
}

.article-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.article-tag {
    background: rgba(224, 108, 136, 0.15);
    color: var(--primary-dark);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.article-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.article-card-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--primary-dark);
    font-weight: 700;
    padding-top: 14px;
    border-top: 1px dashed rgba(224, 108, 136, 0.2);
}

/* 常见问题 FAQ 手风琴 */
.faq-section {
    padding: 60px 0 90px 0;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
}

.faq-question {
    padding: 20px 24px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.faq-question:hover {
    color: var(--primary-dark);
}

.faq-icon {
    font-size: 1.4rem;
    transition: transform var(--transition-normal);
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0 24px;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.75;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px 24px;
    max-height: 800px;
}

.faq-category-header {
    margin-top: 32px;
    margin-bottom: 14px;
    padding: 10px 18px;
    background: linear-gradient(135deg, rgba(224, 108, 136, 0.12), rgba(224, 108, 136, 0.03));
    border-left: 4px solid var(--primary-color);
    border-radius: 4px 8px 8px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-category-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-category-header .category-badge {
    font-size: 0.8rem;
    background: rgba(224, 108, 136, 0.15);
    color: var(--primary-color);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.faq-answer p {
    margin-bottom: 10px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.faq-answer a:hover {
    color: var(--primary-dark);
}

.faq-answer ul {
    margin: 8px 0 10px 20px;
}

.faq-answer li {
    margin-bottom: 4px;
}

/* 文章详情页专用样式 */
.article-page-body {
    padding-top: 14px;
    padding-bottom: 90px;
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-hover);
}

.article-header {
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(224, 108, 136, 0.2);
    padding-bottom: 24px;
}

.article-page-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: #1f1218;
    line-height: 1.35;
    margin-bottom: 18px;
}

.article-stats-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.article-stats-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.9;
    color: #33222a;
}

.article-content h2 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    margin: 36px 0 16px 0;
    border-left: 4px solid var(--primary-color);
    padding-left: 12px;
}

.article-content h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 28px 0 12px 0;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content ul, .article-content ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-cta-box {
    background: linear-gradient(135deg, rgba(224, 108, 136, 0.12), rgba(184, 59, 94, 0.08));
    border: 1px solid rgba(224, 108, 136, 0.3);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    margin: 40px 0;
}

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

.article-nav-links {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(224, 108, 136, 0.2);
}

.article-nav-links a {
    text-decoration: none;
    color: var(--primary-dark);
    font-weight: 700;
    transition: var(--transition-fast);
}

.article-nav-links a:hover {
    color: var(--primary-color);
}

/* GEO 优化：AI 抓取核心结论速览卡片 (Direct Answer Box) */
.geo-summary-box {
    background: linear-gradient(135deg, rgba(224, 108, 136, 0.08), rgba(255, 255, 255, 0.95));
    border: 1px solid rgba(224, 108, 136, 0.25);
    border-left: 5px solid var(--primary-color);
    border-radius: 8px;
    padding: 18px 22px;
    margin: 20px 0 28px 0;
    box-shadow: 0 4px 16px rgba(224, 108, 136, 0.06);
}

.geo-summary-box .summary-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.geo-summary-box p {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

/* 文章面包屑导航 */
.article-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px dashed rgba(224, 108, 136, 0.2);
}

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

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

.article-breadcrumb .separator {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.article-breadcrumb .current {
    color: var(--primary-dark);
    font-weight: 600;
}

/* 正文内的内部链接与外部重定向链接样式 */
.article-content a.internal-link {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1.5px solid rgba(224, 108, 136, 0.4);
    padding-bottom: 1px;
    transition: var(--transition-fast);
}

.article-content a.internal-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: rgba(224, 108, 136, 0.08);
    border-radius: 3px;
}

.article-content a.external-link {
    color: #c02652;
    font-weight: 700;
    text-decoration: none;
    background: rgba(224, 108, 136, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px dashed rgba(224, 108, 136, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.article-content a.external-link:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-style: solid;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(224, 108, 136, 0.3);
}

/* 文章表格样式 (响应式排版) */
.article-table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 24px 0;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(224, 108, 136, 0.2);
}

.article-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    text-align: left;
    font-size: 0.95rem;
}

.article-table th {
    background: linear-gradient(135deg, rgba(224, 108, 136, 0.15), rgba(184, 59, 94, 0.1));
    color: var(--primary-dark);
    padding: 14px 16px;
    font-weight: 700;
    border-bottom: 2px solid rgba(224, 108, 136, 0.3);
    white-space: nowrap;
}

.article-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    color: #33222a;
    line-height: 1.6;
}

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

.article-table tr:nth-child(even) {
    background: rgba(245, 240, 243, 0.5);
}

.article-table tr:hover {
    background: rgba(224, 108, 136, 0.05);
}

/* 结构化排版提示框 (Tips, Alerts, Notes) */
.article-box {
    border-radius: var(--radius-md);
    padding: 18px 22px;
    margin: 24px 0;
    line-height: 1.75;
    font-size: 0.98rem;
}

.article-box-tip {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(255, 255, 255, 0.9));
    border-left: 5px solid #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-left-width: 5px;
    color: #14532d;
}

.article-box-warning {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.12), rgba(255, 255, 255, 0.9));
    border-left: 5px solid #d97706;
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-left-width: 5px;
    color: #78350f;
}

.article-box-note {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(255, 255, 255, 0.9));
    border-left: 5px solid #0284c7;
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-left-width: 5px;
    color: #0c4a6e;
}

/* 教程步骤卡片 (Step Cards) */
.step-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0;
}

.step-card {
    background: #ffffff;
    border: 1px solid rgba(224, 108, 136, 0.2);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transition: var(--transition-fast);
}

.step-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(224, 108, 136, 0.12);
}

.step-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(224, 108, 136, 0.3);
}

.step-body h4 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.step-body p {
    margin: 0;
    font-size: 0.95rem;
    color: #4b3642;
    line-height: 1.65;
}

/* 知识库卡片“最新 / 推荐”徽标 */
.article-new-tag {
    background: linear-gradient(135deg, #f43f5e, #be123c);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 4px;
    margin-left: 6px;
    letter-spacing: 0.5px;
}

/* 页脚 */
.footer {
    background: rgba(30, 20, 26, 0.95);
    color: #e5d8df;
    padding: 60px 0 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.6rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.footer-brand p {
    color: #a8949f;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: #a8949f;
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.88rem;
    color: #8c7884;
}

/* 响应式适配 */
@media (max-width: 1024px) {
    .features-grid, .pricing-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 18px;
    }
    .nav-links {
        display: none; /* 移动端简化 */
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-subtitle {
        font-size: 1.05rem;
    }
    .features-grid, .pricing-grid, .articles-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-container {
        padding: 24px;
    }
    .faq-question {
        font-size: 1.05rem;
        padding: 16px 18px;
    }
    .faq-category-header {
        padding: 8px 14px;
    }
    .faq-category-header h3 {
        font-size: 1.02rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}