@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: #050608;
    --bg-secondary: #0d0f14;
    --bg-tertiary: #141720;
    --primary-color: #ff3344;
    --primary-glow: rgba(255, 51, 68, 0.35);
    --secondary-color: #8b3cff;
    --secondary-glow: rgba(139, 60, 255, 0.3);
    --accent-cyan: #00f2fe;
    --accent-cyan-glow: rgba(0, 242, 254, 0.3);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.07);
    --glass-bg: rgba(13, 15, 20, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-main);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Background Gradients */
.bg-glow-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.bg-glow-1 {
    position: absolute;
    top: -10%;
    right: 10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 51, 68, 0.08) 0%, rgba(0,0,0,0) 70%);
    filter: blur(80px);
}

.bg-glow-2 {
    position: absolute;
    top: 40%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(139, 60, 255, 0.06) 0%, rgba(0,0,0,0) 70%);
    filter: blur(80px);
}

/* Mouse Tail Canvas Overlay */
#mouse-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-svg {
    width: 44px;
    height: 44px;
    filter: drop-shadow(0 0 8px var(--primary-glow));
    transition: var(--transition-smooth);
}

.logo-link:hover .logo-svg {
    transform: rotate(10deg) scale(1.08);
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--primary-color);
}

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

.nav-item a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-item a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff5263 100%);
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 51, 68, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

/* Special Button "机场推荐" pointing to jichangreview.net */
.btn-recommend {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #a86cff 100%);
    color: #fff;
    box-shadow: 0 4px 20px var(--secondary-glow);
}

.btn-recommend:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 60, 255, 0.5);
}

/* Hero Section */
.hero-section {
    padding: 180px 0 100px;
    position: relative;
    text-align: center;
}

.hero-tagline {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(255, 51, 68, 0.1);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    border: 1px solid rgba(255, 51, 68, 0.2);
    margin-bottom: 24px;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(36px, 5vw, 68px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    max-width: 900px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--text-main) 40%, rgba(255, 255, 255, 0.6) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title span {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 40px;
}

.hero-ctas {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Features Grid */
.features-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--text-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(120px circle at var(--x, 0) var(--y, 0), rgba(255, 51, 68, 0.06), transparent 80%);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 51, 68, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(255, 51, 68, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.feature-icon-wrapper svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.pricing-coupon-alert {
    max-width: 600px;
    margin: -20px auto 40px;
    background: rgba(139, 60, 255, 0.08);
    border: 1px dashed rgba(139, 60, 255, 0.3);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.coupon-badge {
    background: var(--secondary-color);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: bold;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-smooth);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(255, 51, 68, 0.15);
}

.popular-tag {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 30px;
    letter-spacing: 1px;
}

.pricing-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pricing-card.popular .pricing-title {
    color: var(--primary-color);
}

.pricing-price {
    font-family: 'Outfit', sans-serif;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 24px;
}

.pricing-price span {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features-list {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
}

.pricing-features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-main);
}

.pricing-features-list li svg {
    color: var(--primary-color);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.pricing-card.popular .pricing-features-list li svg {
    color: var(--accent-cyan);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* User Reviews (Testimonials) */
.reviews-section {
    padding: 100px 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    transition: var(--transition-smooth);
}

.review-card:hover {
    border-color: var(--primary-color);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #fff;
    font-size: 20px;
}

.review-info h4 {
    font-size: 16px;
    font-weight: 600;
}

.review-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.review-rating {
    display: flex;
    gap: 4px;
    color: #ffb703;
    margin-bottom: 16px;
}

.review-content {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    font-style: italic;
}

/* FAQ (Accordion) */
.faq-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-question {
    padding: 24px;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

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

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 24px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding-bottom: 24px;
}

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

/* Articles listing */
.articles-section {
    padding: 100px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.article-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 51, 68, 0.3);
}

.article-img-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 51, 68, 0.15), rgba(139, 60, 255, 0.15));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-img-placeholder svg {
    width: 64px;
    height: 64px;
    color: rgba(255, 255, 255, 0.2);
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.article-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-meta {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.article-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-content h3 a {
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.article-content h3 a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.article-link:hover {
    gap: 12px;
    color: #ff5263;
}

/* Article Template (Specific Article Pages) Styling */
.article-page {
    padding-top: 140px;
    padding-bottom: 80px;
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
}

.article-header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-main);
}

.article-header-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-header-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-header-meta .category {
    color: var(--primary-color);
    font-weight: 600;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: #cbd5e1;
}

.article-body p {
    margin-bottom: 24px;
}

.article-body h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 26px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-main);
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
}

.article-body h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--text-main);
}

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

.article-body li {
    margin-bottom: 10px;
}

.article-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--primary-color);
    transition: var(--transition-smooth);
}

.article-body a:hover {
    color: #ff5263;
    border-bottom-style: solid;
}

.article-body .article-cta-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin: 40px 0;
    text-align: center;
}

.article-body .article-cta-box h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

.article-body .article-cta-box p {
    margin-bottom: 20px;
    font-size: 15px;
    color: var(--text-muted);
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.article-nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition-smooth);
}

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

/* Footer PBN Weight Pipeline */
footer.site-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    background-color: var(--bg-primary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-pbn-links {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-pbn-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 8px;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.footer-pbn-links a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 8px var(--primary-glow);
}

.footer-copy {
    font-size: 12px;
    color: #475569;
}

/* Responsive styles */
@media (max-width: 768px) {
    .nav-menu {
        display: none; /* simple hidden nav for mobile */
    }
    
    .hero-section {
        padding: 140px 0 60px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 16px;
    }
}