:/* style.css - 开云新版App下载页面样式 */
:root {
    --primary: #e94560;
    --primary-dark: #c73a52;
    --secondary: #0f3460;
    --accent: #16213e;
    --bg: #ffffff;
    --bg-dark: #1a1a2e;
    --text: #2d3436;
    --text-light: #636e72;
    --text-dark: #dfe6e9;
    --card-bg: #ffffff;
    --card-bg-dark: #2d2d44;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-dark: 0 4px 20px rgba(0,0,0,0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    transition: var(--transition);
    overflow-x: hidden;
}
body.dark {
    background: var(--bg-dark);
    color: var(--text-dark);
}
body.dark .card { background: var(--card-bg-dark); }
body.dark .hero-title { color: #fff; }
body.dark .hero-sub { color: #b2bec3; }
body.dark .nav-link { color: #dfe6e9; }
body.dark .footer { background: #0d0d1a; }
body.dark .faq-item { background: #2d2d44; }
body.dark .stat-number { color: #fff; }
body.dark .section-title { color: #fff; }
body.dark .section-sub { color: #b2bec3; }
body.dark .breadcrumb { color: #b2bec3; }
body.dark .breadcrumb a { color: #e94560; }
body.dark .search-input { background: #2d2d44; color: #dfe6e9; border-color: #444; }
body.dark .search-input::placeholder { color: #636e72; }
body.dark .partner-item { filter: brightness(0.8); }
body.dark .howto-step { background: #2d2d44; }
body.dark .article-card { background: #2d2d44; }
body.dark .testimonial-card { background: #2d2d44; }
body.dark .team-card { background: #2d2d44; }
body.dark .value-card { background: #2d2d44; }
body.dark .service-card { background: #2d2d44; }
body.dark .solution-card { background: #2d2d44; }
body.dark .case-card { background: #2d2d44; }
body.dark .faq-question { color: #dfe6e9; }
body.dark .footer-title { color: #fff; }
body.dark .footer-link { color: #b2bec3; }
body.dark .footer-link:hover { color: #e94560; }
body.dark .copyright { color: #636e72; }
body.dark .trust-badge { background: #2d2d44; }
body.dark .modal-overlay { background: rgba(0,0,0,0.7); }
body.dark .modal-content { background: #2d2d44; color: #dfe6e9; }
body.dark .newsletter-input { background: #2d2d44; color: #dfe6e9; border-color: #444; }
body.dark .breadcrumb-item + .breadcrumb-item::before { color: #636e72; }
body.dark .nav-menu { background: var(--bg-dark); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title { font-size: 2.2rem; font-weight: 800; text-align: center; margin-bottom: 12px; position: relative; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: linear-gradient(90deg, var(--primary), #ff6b6b); margin: 16px auto 0; border-radius: 2px; }
.section-sub { text-align: center; font-size: 1.1rem; color: var(--text-light); max-width: 700px; margin: 0 auto 48px; }
.card { background: var(--card-bg); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); transition: var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #ff6b6b); color: #fff; box-shadow: 0 4px 15px rgba(233,69,96,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(233,69,96,0.4); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 10px 24px; font-size: 0.9rem; }
.text-gradient { background: linear-gradient(135deg, var(--primary), #ff6b6b, #f093fb); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.glass { background: rgba(255,255,255,0.1); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.2); }
body.dark .glass { background: rgba(0,0,0,0.2); border-color: rgba(255,255,255,0.1); }
.badge { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; background: rgba(233,69,96,0.1); color: var(--primary); }
.badge-dark { background: rgba(233,69,96,0.2); color: #ff6b6b; }
.icon-wrap { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #ff6b6b); margin-bottom: 16px; }
.icon-wrap svg { width: 28px; height: 28px; fill: #fff; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.fw-800 { font-weight: 800; }
.fw-600 { font-weight: 600; }
.fs-14 { font-size: 0.9rem; }
.fs-12 { font-size: 0.8rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.relative { position: relative; }
.hidden { display: none; }
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .section { padding: 48px 0; }
    .section-title { font-size: 1.6rem; }
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem !important; }
    .hero-sub { font-size: 1rem !important; }
    .container { padding: 0 16px; }
    .card { padding: 24px; }
    .nav-links { display: none; }
    .mobile-toggle { display: flex !important; }
    .footer-grid { grid-template-columns: 1fr 1fr !important; }
    .banner-slide { min-height: 400px !important; }
    .stat-grid { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr !important; }
    .stat-grid { grid-template-columns: 1fr 1fr !important; }
    .hero-buttons { flex-direction: column; }
}
/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 12px 0; transition: var(--transition); }
.header.scrolled { background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
body.dark .header.scrolled { background: rgba(26,26,46,0.95); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.4rem; font-weight: 800; color: var(--text); }
body.dark .logo { color: #fff; }
.logo svg { width: 36px; height: 36px; }
.logo span { background: linear-gradient(135deg, var(--primary), #ff6b6b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-link { text-decoration: none; color: var(--text); font-weight: 500; font-size: 0.95rem; transition: var(--transition); position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle { background: none; border: none; cursor: pointer; padding: 8px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition); color: var(--text); }
body.dark .theme-toggle { color: #fff; }
.theme-toggle:hover { background: rgba(233,69,96,0.1); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
body.dark .mobile-toggle span { background: #fff; }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav-menu { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--bg); z-index: 999; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; transform: translateX(100%); transition: var(--transition); }
.nav-menu.open { transform: translateX(0); }
.nav-menu .nav-link { font-size: 1.4rem; }
.nav-menu .close-menu { position: absolute; top: 20px; right: 20px; background: none; border: none; font-size: 2rem; cursor: pointer; color: var(--text); }
body.dark .nav-menu .close-menu { color: #fff; }
/* Hero / Banner */
.hero { padding-top: 80px; position: relative; overflow: hidden; min-height: 100vh; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); z-index: -1; }
.hero-bg::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 50%, rgba(233,69,96,0.15) 0%, transparent 50%), radial-gradient(circle at 70% 50%, rgba(240,147,251,0.1) 0%, transparent 50%); }
.hero-content { position: relative; z-index: 2; padding: 60px 0; }
.hero-title { font-size: 3.2rem; font-weight: 900; line-height: 1.2; margin-bottom: 20px; color: #fff; }
.hero-sub { font-size: 1.2rem; color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-number { font-size: 2.4rem; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.banner-slider { position: relative; overflow: hidden; border-radius: var(--radius); margin-top: 40px; }
.banner-slide { min-height: 500px; display: flex; align-items: center; justify-content: center; position: relative; background: linear-gradient(135deg, #0f3460, #16213e); border-radius: var(--radius); overflow: hidden; }
.banner-slide-content { text-align: center; padding: 40px; z-index: 2; }
.banner-slide h3 { font-size: 2rem; color: #fff; margin-bottom: 16px; }
.banner-slide p { color: rgba(255,255,255,0.8); max-width: 500px; margin: 0 auto 24px; }
.banner-dots { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.banner-dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition); border: none; }
.banner-dot.active { background: var(--primary); transform: scale(1.2); }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border: none; color: #fff; width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.4rem; transition: var(--transition); z-index: 3; display: flex; align-items: center; justify-content: center; }
.banner-arrow:hover { background: rgba(233,69,96,0.5); }
.banner-arrow.prev { left: 16px; }
.banner-arrow.next { right: 16px; }
/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 12px 0; font-size: 0.85rem; color: var(--text-light); flex-wrap: wrap; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-item + .breadcrumb-item::before { content: '/'; margin-right: 8px; color: #ccc; }
/* Search */
.search-bar { max-width: 600px; margin: 0 auto 48px; position: relative; }
.search-input { width: 100%; padding: 16px 20px 16px 56px; border: 2px solid #e0e0e0; border-radius: 50px; font-size: 1rem; outline: none; transition: var(--transition); background: var(--bg); color: var(--text); }
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(233,69,96,0.1); }
.search-icon { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: #999; }
.search-results { position: absolute; top: 100%; left: 0; right: 0; background: var(--card-bg); border-radius: var(--radius-sm); box-shadow: var(--shadow); max-height: 300px; overflow-y: auto; z-index: 10; display: none; }
body.dark .search-results { background: var(--card-bg-dark); }
.search-results.show { display: block; }
.search-result-item { padding: 12px 20px; cursor: pointer; transition: var(--transition); border-bottom: 1px solid rgba(0,0,0,0.05); }
.search-result-item:hover { background: rgba(233,69,96,0.05); }
.search-result-item:last-child { border-bottom: none; }
/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-image { border-radius: var(--radius); overflow: hidden; position: relative; min-height: 400px; background: linear-gradient(135deg, #0f3460, #16213e); display: flex; align-items: center; justify-content: center; }
.about-text h2 { font-size: 2rem; margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; color: var(--text-light); }
/* Stats */
.stats-section { background: linear-gradient(135deg, #1a1a2e, #0f3460); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: center; padding: 24px; }
.stat-number { font-size: 2.8rem; font-weight: 900; color: #fff; margin-bottom: 8px; }
.stat-label { color: rgba(255,255,255,0.8); font-size: 1rem; }
/* Products */
.product-card { text-align: center; padding: 32px 24px; }
.product-card .icon-wrap { margin: 0 auto 16px; }
.product-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.product-card p { color: var(--text-light); font-size: 0.95rem; }
/* Advantages */
.advantage-card { display: flex; gap: 20px; align-items: flex-start; }
.advantage-icon { flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(233,69,96,0.1); }
.advantage-icon svg { width: 24px; height: 24px; fill: var(--primary); }
.advantage-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.advantage-card p { color: var(--text-light); font-size: 0.9rem; }
/* Services */
.service-card { padding: 32px; text-align: center; }
.service-card .icon-wrap { margin: 0 auto 16px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.service-card p { color: var(--text-light); font-size: 0.9rem; }
/* Solutions */
.solution-card { padding: 28px; }
.solution-card h3 { font-size: 1.2rem; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.solution-card ul { list-style: none; padding: 0; }
.solution-card li { padding: 6px 0; color: var(--text-light); font-size: 0.9rem; position: relative; padding-left: 20px; }
.solution-card li::before { content: '▸'; position: absolute; left: 0; color: var(--primary); }
/* Industries */
.industry-item { text-align: center; padding: 24px; border-radius: var(--radius); background: rgba(233,69,96,0.03); transition: var(--transition); cursor: default; }
.industry-item:hover { background: rgba(233,69,96,0.08); transform: translateY(-4px); }
.industry-item svg { width: 40px; height: 40px; margin-bottom: 12px; fill: var(--primary); }
.industry-item h4 { font-size: 1rem; margin-bottom: 8px; }
.industry-item p { font-size: 0.85rem; color: var(--text-light); }
/* Testimonials */
.testimonial-card { padding: 32px; position: relative; }
.testimonial-card::before { content: '"'; font-size: 4rem; color: var(--primary); opacity: 0.2; position: absolute; top: 8px; left: 24px; font-family: serif; line-height: 1; }
.testimonial-text { font-style: italic; margin-bottom: 20px; color: var(--text-light); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #ff6b6b); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 1.2rem; }
.testimonial-name { font-weight: 600; }
.testimonial-role { font-size: 0.85rem; color: var(--text-light); }
/* Partners */
.partner-grid { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: center; }
.partner-item { padding: 16px 24px; border-radius: var(--radius-sm); background: rgba(0,0,0,0.02); transition: var(--transition); }
body.dark .partner-item { background: rgba(255,255,255,0.05); }
.partner-item:hover { background: rgba(233,69,96,0.05); }
/* Team */
.team-card { text-align: center; padding: 32px 24px; }
.team-avatar { width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 16px; background: linear-gradient(135deg, var(--primary), #f093fb); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 2.4rem; font-weight: 700; }
.team-card h4 { font-size: 1.1rem; margin-bottom: 4px; }
.team-card .role { color: var(--primary); font-size: 0.9rem; margin-bottom: 12px; }
.team-card p { font-size: 0.88rem; color: var(--text-light); }
/* FAQ */
.faq-item { border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: #f8f9fa; transition: var(--transition); }
.faq-question { padding: 18px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 1rem; transition: var(--transition); }
.faq-question:hover { background: rgba(233,69,96,0.05); }
.faq-question svg { width: 20px; height: 20px; transition: var(--transition); fill: var(--text); }
body.dark .faq-question svg { fill: #dfe6e9; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 24px; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 18px; }
.faq-answer p { color: var(--text-light); font-size: 0.95rem; }
/* HowTo */
.howto-step { display: flex; gap: 20px; padding: 24px; border-radius: var(--radius-sm); background: #f8f9fa; margin-bottom: 16px; align-items: flex-start; }
.howto-number { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #ff6b6b); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; flex-shrink: 0; }
.howto-content h4 { font-size: 1.05rem; margin-bottom: 6px; }
.howto-content p { color: var(--text-light); font-size: 0.9rem; }
/* News / Articles */
.article-card { border-radius: var(--radius); overflow: hidden; transition: var(--transition); background: var(--card-bg); box-shadow: var(--shadow); }
.article-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.article-image { height: 200px; background: linear-gradient(135deg, #0f3460, #16213e); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.article-image svg { width: 48px; height: 48px; fill: rgba(255,255,255,0.5); }
.article-body { padding: 24px; }
.article-body .date { font-size: 0.8rem; color: var(--text-light); margin-bottom: 8px; }
.article-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.article-body p { font-size: 0.9rem; color: var(--text-light); }
.article-body .read-more { color: var(--primary); text-decoration: none; font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; }
.article-body .read-more:hover { gap: 8px; }
/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h3 { font-size: 1.4rem; margin-bottom: 24px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start; }
.contact-item svg { width: 24px; height: 24px; fill: var(--primary); flex-shrink: 0; margin-top: 2px; }
.contact-item h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-item p { color: var(--text-light); font-size: 0.9rem; }
.contact-form input, .contact-form textarea { width: 100%; padding: 14px 16px; border: 2px solid #e0e0e0; border-radius: var(--radius-sm); font-size: 0.95rem; outline: none; transition: var(--transition); margin-bottom: 16px; background: var(--bg); color: var(--text); }
body.dark .contact-form input, body.dark .contact-form textarea { background: #2d2d44; border-color: #444; color: #dfe6e9; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); }
.contact-form textarea { min-height: 120px; resize: vertical; }
/* Footer */
.footer { background: #1a1a2e; color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand p { margin: 16px 0; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 20px; color: #fff; }
.footer-links { list-style: none; }
.footer-link { display: block; padding: 6px 0; color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-link:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 48px; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.copyright { font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-links-row { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links-row a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
.footer-links-row a:hover { color: var(--primary); }
/* Back to top */
.back-to-top { position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #ff6b6b); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: 0 4px 15px rgba(233,69,96,0.3); transition: var(--transition); opacity: 0; transform: translateY(20px); pointer-events: none; z-index: 100; }
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(233,69,96,0.4); }
/* Trust badges */
.trust-bar { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; padding: 24px 0; }
.trust-badge { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 50px; background: rgba(233,69,96,0.05); font-size: 0.85rem; color: var(--text-light); }
body.dark .trust-badge { background: rgba(255,255,255,0.05); color: #b2bec3; }
.trust-badge svg { width: 18px; height: 18px; fill: var(--primary); }
/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index: 2000; display: none; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal-content { background: var(--card-bg); border-radius: var(--radius); padding: 40px; max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; position: relative; }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text); }
body.dark .modal-close { color: #dfe6e9; }
/* Newsletter */
.newsletter { background: linear-gradient(135deg, #1a1a2e, #0f3460); padding: 60px 0; text-align: center; }
.newsletter h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
.newsletter p { color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.newsletter-form { display: flex; max-width: 500px; margin: 0 auto; gap: 12px; }
.newsletter-input { flex: 1; padding: 16px 20px; border: none; border-radius: 50px; font-size: 1rem; outline: none; }
@media (max-width: 768px) {
    .newsletter-form { flex-direction: column; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
.sitemap-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; padding: 24px 0; }
.sitemap-links a { color: var(--text-light); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.sitemap-links a:hover { color: var(--primary); }
body.dark .sitemap-links a { color: #b2bec3; }
body.dark .sitemap-links a:hover { color: var(--primary); }
.friend-links { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; padding: 16px 0; }
.friend-links a { color: var(--text-light); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
.friend-links a:hover { color: var(--primary); }
body.dark .friend-links a { color: #b2bec3; }
body.dark .friend-links a:hover { color: var(--primary); }
.scroll-animate { opacity: 0; transform: translateY(20px); transition: all 0.6s ease; }
.scroll-animate.visible { opacity: 1; transform: translateY(0); }