/* ==========================================================================
   阿拉丁机场官网落地页 - 核心样式文件 (style.css)
   ========================================================================== */

/* 引入 Google 字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* 颜色定义 */
    --bg-dark: #070514;
    --bg-deep: #0d0b21;
    --bg-card: rgba(22, 19, 58, 0.6);
    --bg-card-hover: rgba(33, 29, 82, 0.85);
    
    --primary-gold: #d4af37;
    --primary-gold-glow: rgba(212, 175, 55, 0.4);
    --secondary-gold: #ffd700;
    --accent-purple: #8a2be2;
    --accent-purple-glow: rgba(138, 43, 226, 0.5);
    --accent-cyan: #00f2fe;
    --accent-cyan-glow: rgba(0, 242, 254, 0.4);
    
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    
    --border-gold: rgba(212, 175, 55, 0.2);
    --border-gold-hover: rgba(212, 175, 55, 0.6);
    --border-white: rgba(255, 255, 255, 0.08);

    /* 字体族 */
    --font-primary: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 阴影效果 */
    --glow-shadow-gold: 0 0 15px var(--primary-gold-glow);
    --glow-shadow-purple: 0 0 20px var(--accent-purple-glow);
    --glow-shadow-cyan: 0 0 15px var(--accent-cyan-glow);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* 渐变色 */
    --gradient-gold: linear-gradient(135deg, #ffd700 0%, #d4af37 100%);
    --gradient-magical: linear-gradient(135deg, #8a2be2 0%, #4a00e0 50%, #00f2fe 100%);
    --gradient-bg: radial-gradient(circle at 50% 50%, #16133a 0%, #070514 100%);
    
    /* 过渡效果 */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   全局复位与基础样式
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-dark);
    background-image: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--text-light);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-gold);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gold);
}

/* ==========================================================================
   布局组件 & 工具类
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.text-center {
    text-align: center;
}

.title-glowing {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 30%, var(--primary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-dark);
    box-shadow: var(--glow-shadow-gold);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.7);
    color: #000;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid var(--border-white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-gold);
    transform: translateY(-3px);
    box-shadow: var(--glow-shadow-purple);
}

/* 毛玻璃容器 */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
}

.glass-panel:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-gold-hover);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(212, 175, 55, 0.15);
}

/* ==========================================================================
   头部导航栏 (Navbar)
   ========================================================================== */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 5, 20, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-white);
    transition: var(--transition-normal);
}

.header-nav.scrolled {
    background: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
    gap: 0.5rem;
}

.logo i {
    color: var(--primary-gold);
    filter: drop-shadow(0 0 5px var(--primary-gold-glow));
    animation: lamp-float 3s ease-in-out infinite;
}

.logo span {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--secondary-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition-normal);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-white);
    cursor: pointer;
}

/* ==========================================================================
   Hero 主视觉区域
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

/* 背景大图及遮罩 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.45;
    transform: scale(1.05);
    animation: bg-slow-pan 30s ease-in-out infinite alternate;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 60% 40%, rgba(138, 43, 226, 0.15) 0%, var(--bg-dark) 85%);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.badge {
    display: inline-flex;
    align-items: center;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--primary-gold);
    color: var(--secondary-gold);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-title span.gold-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    font-size: 4rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.3));
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 2rem;
    border-top: 1px solid var(--border-white);
    padding-top: 2rem;
}

.hf-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.hf-item i {
    color: var(--primary-gold);
    font-size: 1.25rem;
}

.hf-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 右侧神灯浮动特效 */
.hero-graphic {
    display: flex;
    justify-content: center;
    position: relative;
}

.glowing-lamp-container {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.2) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-glow 4s ease-in-out infinite alternate;
}

.lamp-vector {
    font-size: 9rem;
    color: var(--primary-gold);
    filter: drop-shadow(0 0 25px var(--primary-gold)) drop-shadow(0 0 45px var(--accent-purple));
    animation: float-slow 6s ease-in-out infinite;
}

.magic-smoke {
    position: absolute;
    top: 30%;
    right: 15%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.3) 0%, transparent 60%);
    filter: blur(10px);
    border-radius: 50%;
    animation: smoke-drift 5s ease-in-out infinite;
}

/* ==========================================================================
   优势展示区 (Features)
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(138, 43, 226, 0.1) 100%);
    border: 1px solid var(--border-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--primary-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.1);
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--gradient-gold);
    color: var(--bg-dark);
    box-shadow: var(--glow-shadow-gold);
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ==========================================================================
   价格计划区 (Pricing - 另一种格式：月付/年付滑动切换 + 检索功能)
   ========================================================================== */
.pricing-section {
    position: relative;
    background: radial-gradient(circle at 10% 30%, rgba(138, 43, 226, 0.08) 0%, transparent 60%);
}

.pricing-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3.5rem;
    gap: 1.5rem;
}

/* 月付/年付开关 */
.toggle-wrapper {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-white);
    padding: 0.4rem;
    border-radius: 50px;
    position: relative;
}

.toggle-label {
    padding: 0.5rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition-fast);
}

.toggle-label.active {
    color: var(--bg-dark);
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    background: var(--gradient-gold);
    border-radius: 50px;
    z-index: 1;
    transition: var(--transition-normal);
    box-shadow: var(--glow-shadow-gold);
}

.toggle-checkbox {
    display: none;
}

.toggle-checkbox:checked ~ .toggle-slider {
    left: calc(50%);
}

/* 检索筛选栏 */
.pricing-search-box {
    position: relative;
    width: 100%;
    max-width: 450px;
}

.pricing-search-box input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-gold);
    padding: 0.8rem 1.2rem 0.8rem 3rem;
    border-radius: 50px;
    color: var(--text-white);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-normal);
}

.pricing-search-box input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-gold);
    box-shadow: var(--glow-shadow-gold);
}

.pricing-search-box i {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-gray);
}

/* 价格卡片网格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    align-items: stretch;
}

.pricing-card {
    padding: 3rem 2rem 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card.featured {
    border-width: 2px;
    border-color: var(--primary-gold);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.15), var(--glass-shadow);
    transform: translateY(-10px);
}

.pricing-card.featured:hover {
    box-shadow: 0 0 35px rgba(212, 175, 55, 0.25), var(--glass-shadow);
}

.pricing-card .badge-popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--bg-dark);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: var(--glow-shadow-gold);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.plan-desc {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.plan-price-wrapper {
    margin-bottom: 2rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1;
}

.plan-price span.currency {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary-gold);
}

.plan-price span.period {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text-gray);
}

.plan-features {
    list-style: none;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.plan-features li i {
    font-size: 1rem;
}

.plan-features li i.fa-check-circle {
    color: #10b981;
}

.plan-features li i.fa-times-circle {
    color: #ef4444;
}

.pricing-card .btn {
    width: 100%;
}

/* ==========================================================================
   文章展示区 (Articles Grid)
   ========================================================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.article-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-meta span i {
    color: var(--primary-gold);
}

.article-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
    line-height: 1.4;
    transition: var(--transition-fast);
}

.article-card:hover h3 {
    color: var(--secondary-gold);
}

.article-excerpt {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.article-readmore {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-gold);
}

.article-card:hover .article-readmore {
    color: var(--secondary-gold);
}

.article-card:hover .article-readmore i {
    transform: translateX(5px);
}

.article-readmore i {
    transition: var(--transition-fast);
}

/* ==========================================================================
   用户评价区 (User Reviews)
   ========================================================================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.review-card {
    padding: 2.5rem 2rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-white);
    border: 1px solid var(--border-gold);
}

.user-name {
    font-weight: 600;
    color: var(--text-white);
}

.user-tag {
    font-size: 0.75rem;
    color: var(--primary-gold);
}

.review-stars {
    color: var(--secondary-gold);
    display: flex;
    gap: 0.2rem;
}

.review-content {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    line-height: 1.6;
}

/* ==========================================================================
   常见问题区 (FAQ)
   ========================================================================== */
.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-white);
    padding-bottom: 1rem;
    transition: var(--transition-normal);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    text-align: left;
}

.faq-question:hover {
    color: var(--secondary-gold);
}

.faq-icon {
    font-size: 0.9rem;
    color: var(--primary-gold);
    transition: var(--transition-normal);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    color: var(--text-gray);
    font-size: 0.95rem;
    padding-right: 2rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

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

/* ==========================================================================
   文章详情页专有排版样式
   ========================================================================== */
.article-detail-body {
    background-image: radial-gradient(circle at 50% 10%, #16133a 0%, #070514 80%);
}

.article-header-section {
    padding-top: 150px;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-white);
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.15) 0%, transparent 60%);
}

.article-header-container {
    max-width: 900px;
    margin: 0 auto;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(138, 43, 226, 0.2);
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-gold);
    font-weight: 600;
    margin-bottom: 2rem;
}

.article-back-link:hover {
    color: var(--secondary-gold);
    transform: translateX(-5px);
}

.article-content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

.article-main-content {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

.article-main-content p {
    margin-bottom: 2rem;
}

.article-main-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-white);
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-gold);
    padding-left: 1rem;
}

.article-main-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-white);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.article-main-content ul, 
.article-main-content ol {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

.article-main-content li {
    margin-bottom: 0.8rem;
}

.article-main-content strong {
    color: var(--secondary-gold);
}

/* 警示框与标注 */
.article-callout {
    background: rgba(138, 43, 226, 0.1);
    border: 1px dashed var(--accent-purple);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2.5rem 0;
}

.article-callout p {
    margin-bottom: 0;
}

/* 文章内链跳转卡片 */
.article-interlink-card {
    display: block;
    margin: 3rem 0;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: 15px;
    transition: var(--transition-normal);
}

.article-interlink-card:hover {
    border-color: var(--primary-gold);
    box-shadow: var(--glow-shadow-gold);
    transform: translateY(-3px);
}

.interlink-tag {
    font-size: 0.75rem;
    color: var(--primary-gold);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.interlink-title {
    font-size: 1.2rem;
    color: var(--text-white);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.interlink-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* 底部行动召唤 (Article CTA) */
.article-cta-box {
    margin-top: 5rem;
    padding: 3rem;
    text-align: center;
    border: 2px solid var(--border-gold);
    border-radius: 20px;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, transparent 100%);
    position: relative;
    overflow: hidden;
}

.article-cta-box h3 {
    font-size: 1.8rem;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.article-cta-box p {
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

/* ==========================================================================
   页脚 (Footer)
   ========================================================================== */
footer {
    background: #04030d;
    border-top: 1px solid var(--border-white);
    padding: 4rem 0 2rem 0;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--primary-gold);
}

.footer-bottom {
    border-top: 1px solid var(--border-white);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

/* ==========================================================================
   动画定义
   ========================================================================== */
@keyframes bg-slow-pan {
    0% { transform: scale(1.02) translate(0, 0); }
    100% { transform: scale(1.08) translate(-1%, -1%); }
}

@keyframes float-slow {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes lamp-float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
    0% { opacity: 0.7; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1.05); }
}

@keyframes smoke-drift {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 0.3; }
    50% { transform: translate(-10px, -15px) scale(1.1) rotate(45deg); opacity: 0.5; }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 0.3; }
}

/* ==========================================================================
   响应式断点媒体查询
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }
    .hero-content {
        margin: 0 auto;
    }
    .hero-title span.gold-text {
        font-size: 3.5rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-features {
        justify-content: center;
    }
    .hero-graphic {
        order: -1;
    }
    .glowing-lamp-container {
        width: 250px;
        height: 250px;
    }
    .lamp-vector {
        font-size: 7rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    .section-padding {
        padding: 4rem 0;
    }
    .nav-menu {
        display: none; /* 待JS移动端侧边菜单开发 */
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-title span.gold-text {
        font-size: 2.8rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}