/* ==========================================================================
   老猫云 (laomaoyun.click) 官方落地页核心样式表
   ========================================================================== */

/* 引入现代字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    
    --primary-color: #3b82f6; /* 蓝色 */
    --accent-color: #a855f7;  /* 紫色 */
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #4b5563;
    
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 卡通猫背景底纹与光晕叠加 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 蓝紫色大光晕与英短猫咪大背景图融合 */
    background: 
        radial-gradient(circle at 10% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 45%),
        url('../images/cat_site_bg.jpg') no-repeat center left / cover;
    z-index: -2;
    pointer-events: none;
    opacity: 0.9;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 卡通猫咪爪子印与面部底纹 pattern */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M20,15 C18,15 16,17 16,19 C16,21 18,23 20,23 C22,23 24,21 24,19 C24,17 22,15 20,15 Z M14,13 C12.5,13 11,14.5 11,16 C11,17.5 12.5,19 14,19 C15.5,19 17,17.5 17,16 C17,14.5 15.5,13 14,13 Z M26,13 C24.5,13 23,14.5 23,16 C23,17.5 24.5,19 26,19 C27.5,19 29,17.5 29,16 C29,14.5 27.5,13 26,13 Z M20,9 C19,9 18,10 18,11 C18,12 19,13 20,13 C21,13 22,12 22,11 C22,9 21,9 20,9 Z M80,85 C78,85 76,87 76,89 C76,91 78,93 80,93 C82,93 84,91 84,89 C84,87 82,85 80,85 Z M74,83 C72.5,83 71,84.5 71,86 C71,87.5 72.5,89 74,89 C75.5,89 77,87.5 77,86 C77,84.5 75.5,83 74,83 Z M86,83 C84.5,83 83,84.5 83,86 C83,87.5 84.5,89 86,89 C87.5,89 89,87.5 89,86 C89,84.5 87.5,83 86,83 Z M80,79 C79,79 78,80 78,81 C78,82 79,83 80,83 C81,83 82,82 82,81 C82,79 81,79 80,79 Z'%3E%3C/path%3E%3C/g%3E%3C/svg%3E");
    z-index: -1;
    pointer-events: none;
}

/* 浮动猫咪背景装饰物 */
.cat-deco {
    position: absolute;
    pointer-events: none;
    opacity: 0.05;
    z-index: -1;
    animation: float-slow 15s ease-in-out infinite;
}
.cat-deco-1 { top: 12%; left: 8%; width: 120px; }
.cat-deco-2 { top: 45%; right: 6%; width: 140px; animation-duration: 20s; animation-delay: -5s; }
.cat-deco-3 { top: 80%; left: 5%; width: 100px; animation-duration: 18s; animation-delay: -2s; }

@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* 链接样式 */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* 字体渐变色蓝紫色 */
.gradient-text {
    background: linear-gradient(135deg, #a855f7 20%, #3b82f6 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 9999px;
    transition: var(--transition-smooth);
    cursor: pointer;
    font-size: 1rem;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #a855f7 0%, #3b82f6 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(168, 85, 247, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* 头部导航 */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(11, 15, 25, 0.7);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* logo变icon */
.logo-icon-link {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    gap: 0.5rem;
}

.logo-icon-link svg {
    width: 36px;
    height: 36px;
    fill: url(#logo-grad);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.nav-cta {
    display: flex;
    align-items: center;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-smooth);
}

/* 页面主要部分 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

/* 英雄区 (Hero) */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(85vh - 76px);
    gap: 4rem;
}

.hero-content {
    flex: 1.2;
}

/* H1 带有品牌名 */
.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    flex: 0.8;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-glow-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.hero-glow-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 180deg at 50% 50%, #3b82f6 0deg, #a855f7 180deg, #3b82f6 360deg);
    animation: rotate-border 6s linear infinite;
    z-index: -2;
    opacity: 0.15;
}

@keyframes rotate-border {
    100% { transform: rotate(360deg); }
}

.hero-glow-card-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(255,255,255,0.03);
}

.server-speed-bar {
    margin-bottom: 1rem;
}

.server-speed-bar span {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.progress-track {
    height: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #a855f7, #3b82f6);
    border-radius: 9999px;
}

/* 核心优势 / 特性 */
.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 1.5rem;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    /* 动态 staggered 入场动画 */
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 15px 45px rgba(168, 85, 247, 0.2);
    background: rgba(17, 24, 39, 0.85);
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M30 45 C30 50, 40 50, 40 45 C40 40, 30 40, 30 45 Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    pointer-events: none;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.feature-icon-wrapper svg {
    width: 30px;
    height: 30px;
    fill: #a855f7;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper svg {
    transform: scale(1.15) rotate(10deg);
    fill: #3b82f6;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}

.feature-card:hover .feature-icon-wrapper {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

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

/* 交互式价格部分 */
.pricing-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    font-weight: 600;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: .4s;
    border-radius: 34px;
    border: 1px solid var(--glass-border);
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 3px;
    bottom: 3px;
    background-color: #fff;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background: linear-gradient(135deg, #a855f7, #3b82f6);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.badge-discount {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
}

.pricing-list-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-row {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    transition: var(--transition-smooth);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
}

.pricing-row:hover {
    transform: translateY(-3px) scale(1.005);
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.15);
    background: rgba(17, 24, 39, 0.8);
}

.pricing-row.popular {
    border-color: var(--accent-color);
    box-shadow: 0 8px 32px rgba(168, 85, 247, 0.15);
}

.pricing-row.popular::before {
    content: '推荐';
    position: absolute;
    top: 0;
    left: 2rem;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 1rem;
    border-radius: 0 0 8px 8px;
}

.pricing-info {
    flex: 1.5;
}

.pricing-info h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.pricing-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pricing-meta {
    flex: 1.5;
    display: flex;
    gap: 2rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.pricing-line {
    flex: 1.2;
    display: flex;
    flex-direction: column;
}

.line-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.line-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: #22c55e;
}

.pricing-price-box {
    flex: 1;
    text-align: right;
}

.pricing-price-box .price-symbol {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.pricing-price-box .price-val {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    transition: var(--transition-smooth);
}

.pricing-price-box .price-period {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pricing-action {
    flex: 1;
    text-align: right;
}

.pricing-action .btn {
    width: 120px;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
}

/* 价格表移动端适配 */
@media (max-width: 900px) {
    .pricing-row {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        padding: 2rem 1.5rem;
        text-align: center;
    }
    
    .pricing-row.popular::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .pricing-meta {
        justify-content: space-around;
    }

    .pricing-price-box, .pricing-action {
        text-align: center;
    }

    .pricing-action .btn {
        width: 100%;
        padding: 0.8rem;
    }
}

/* 博客文章区 */
.blog-section {
    background: rgba(17, 24, 39, 0.4);
    border-radius: 32px;
    padding: 4rem 2rem;
    border: 1px solid var(--glass-border);
    margin-bottom: 5rem;
}

.blog-carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding: 1rem 0;
}

.blog-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.blog-carousel-track .blog-card {
    flex: 0 0 calc(33.333% - 1.33rem);
    margin-right: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

@media (max-width: 992px) {
    .blog-carousel-track .blog-card {
        flex: 0 0 calc(50% - 1rem);
        margin-right: 2rem;
    }
}

@media (max-width: 640px) {
    .blog-carousel-track .blog-card {
        flex: 0 0 100%;
        margin-right: 0;
    }
}

/* 轮播指示器 */
.blog-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.blog-carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.blog-carousel-dots .dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
    width: 20px;
    border-radius: 9999px;
}

.blog-carousel-track .blog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
}

.blog-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    gap: 1rem;
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card-title a:hover {
    color: var(--primary-color);
}

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-card-more {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* 文章详情页样式 */
.article-container {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #e5e7eb;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem 0;
    color: #fff;
    font-weight: 700;
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin: 2rem 0 0.8rem 0;
    color: #fff;
    font-weight: 600;
}

.article-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(255,255,255,0.02);
    padding: 1rem 1rem 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
}

.article-content ul, .article-content ol {
    margin: 1.5rem 0 1.5rem 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content a {
    color: #60a5fa;
    text-decoration: underline;
}

.article-content a:hover {
    color: #93c5fd;
}

/* 博客内链推荐板块 */
.article-recommendations {
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
    padding-top: 2rem;
}

.article-recommendations h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.recommendations-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.rec-link-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.rec-link-card a:hover {
    color: var(--accent-color);
}

/* 用户评价部分 (Reviews) */
/* 用户评价轮播 */
.reviews-carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding: 1rem 0;
    margin-top: 1rem;
}

.reviews-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.reviews-carousel-track .review-card {
    flex: 0 0 calc(33.333% - 1.33rem);
    margin-right: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 992px) {
    .reviews-carousel-track .review-card {
        flex: 0 0 calc(50% - 1rem);
        margin-right: 2rem;
    }
}

@media (max-width: 640px) {
    .reviews-carousel-track .review-card {
        flex: 0 0 100%;
        margin-right: 0;
    }
}

.reviews-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.reviews-carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.reviews-carousel-dots .dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
    width: 20px;
    border-radius: 9999px;
}

.review-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
}

.user-info h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
}

.user-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.star-rating {
    display: flex;
    gap: 2px;
    color: #fbbf24; /* 金黄色星星 */
    margin-top: 0.25rem;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
}

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

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-main);
    text-align: left;
    padding: 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    fill: var(--text-muted);
    transition: var(--transition-smooth);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 0px solid transparent;
}

.faq-answer-content {
    padding: 1.5rem;
    padding-top: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px; /* 足够容纳答案 */
    border-top: 1px solid var(--glass-border);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    fill: var(--accent-color);
}

/* 页脚 (Footer) */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem 0;
    margin-top: 5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

.footer-about h3 {
    margin-bottom: 1.25rem;
}

.footer-about p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-links-col h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1.25rem;
    color: #fff;
}

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

.footer-links-col li {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.footer-links-col a {
    color: var(--text-muted);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0 auto;
    padding: 1.5rem 1.5rem 0 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

/* ==========================================================================
   移动端与响应式适配
   ========================================================================== */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding: 3rem 0;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 3.5rem 0;
    }
    
    .menu-toggle {
        display: flex;
        z-index: 101;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
        border-left: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .nav-cta {
        display: none; /* 在极小屏幕下简化头 */
    }
    
    .hero-content h1 {
        font-size: 2.3rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}