/* 基础重置样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微软雅黑", sans-serif; line-height: 1.6; color: #333; background-color: #fff; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 导航栏样式 */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.header.scrolled { padding: 10px 0; background: rgba(30, 30, 30, 0.85); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.header-container { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; background: rgba(56, 56, 56, 0.6); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 100px; padding: 8px 8px 8px 24px; transition: all 0.3s ease; }
.header.scrolled .header-inner { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; border: none; border-radius: 0; padding: 0; }
.logo-wrapper { display: flex; align-items: center; gap: 14px; transition: transform 0.3s ease; }
.logo-wrapper:hover { transform: scale(1.02); }
.logo-img { width: 38px; height: 38px; filter: drop-shadow(0 2px 8px rgba(15, 179, 255, 0.3)); }
.logo-text { display: flex; flex-direction: column; gap: 1px; }
.logo-title { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.5px; line-height: 1.2; }
.logo-subtitle { font-size: 10px; color: rgba(255, 255, 255, 0.5); letter-spacing: 0.5px; font-weight: 400; }
.nav-center { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link { position: relative; color: rgba(255, 255, 255, 0.7); padding: 10px 18px; font-size: 14px; font-weight: 500; transition: all 0.3s ease; border-radius: 50px; }
.nav-link::after { content: ''; position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%) scaleX(0); width: 20px; height: 2px; background: #0FB3FF; border-radius: 2px; transition: transform 0.3s ease; }
.nav-link:hover { color: #fff; }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active { color: #fff; background: rgba(15, 179, 255, 0.15); }
.nav-link.active::after { transform: translateX(-50%) scaleX(1); background: #0FB3FF; }
.nav-right { display: flex; align-items: center; gap: 8px; }
.btn-trial { padding: 10px 20px; border-radius: 50px; font-size: 13px; font-weight: 500; color: rgba(255, 255, 255, 0.7); background: transparent; border: none; cursor: pointer; transition: all 0.3s ease; }
.btn-trial:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
.btn-buy { padding: 10px 24px; border-radius: 50px; font-size: 13px; font-weight: 600; border: none; color: #fff; background: #0FB3FF; cursor: pointer; transition: all 0.3s ease; position: relative; overflow: hidden; }
.btn-buy::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent); transition: left 0.5s ease; }
.btn-buy:hover { background: #00a0e9; transform: scale(1.05); box-shadow: 0 4px 20px rgba(15, 179, 255, 0.4); }
.btn-buy:hover::before { left: 100%; }
.hamburger { display: none; width: 44px; height: 44px; cursor: pointer; background: rgba(255, 255, 255, 0.1); border: none; border-radius: 12px; padding: 12px; z-index: 1001; flex-direction: column; justify-content: center; align-items: center; gap: 5px; transition: all 0.3s ease; }
.hamburger:hover { background: rgba(15, 179, 255, 0.2); }
.hamburger-line { width: 20px; height: 2px; background-color: #fff; border-radius: 2px; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); transform-origin: center; }
.hamburger.active { background: rgba(15, 179, 255, 0.3); }
.hamburger.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-nav-wrapper { display: none; }

@media (max-width: 960px) {
    .header-container { padding: 0 20px; }
    .header-inner { padding: 6px 6px 6px 18px; border-radius: 16px; }
    .hamburger { display: flex; }
    .nav-center, .nav-right.desktop-nav { display: none; }
    .mobile-nav-wrapper { display: flex; flex-direction: column; position: fixed; top: 0; right: 0; width: 300px; height: 100vh; background: #fff; z-index: 999; transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15); }
    .mobile-nav-wrapper.active { transform: translateX(0); }
    .mobile-nav-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid #eee; }
    .mobile-nav-title { font-size: 16px; font-weight: 600; color: #1a1a1a; }
    .mobile-nav-close { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: #f5f5f5; border: none; border-radius: 10px; cursor: pointer; transition: all 0.2s ease; }
    .mobile-nav-close:hover { background: #eee; }
    .mobile-nav-close svg { width: 20px; height: 20px; color: #666; }
    .mobile-nav-wrapper .nav-menu { flex-direction: column; align-items: stretch; gap: 0; padding: 16px 0; flex: 1; overflow-y: auto; }
    .mobile-nav-wrapper .nav-link { display: flex; align-items: center; padding: 16px 24px; font-size: 15px; font-weight: 500; color: #333; border-radius: 0; background: transparent; border: none; border-bottom: 1px solid #f0f0f0; transition: all 0.2s ease; }
    .mobile-nav-wrapper .nav-link::after { display: none; }
    .mobile-nav-wrapper .nav-link:hover { background: #f8fafc; color: #0FB3FF; }
    .mobile-nav-wrapper .nav-link.active { color: #0FB3FF; background: rgba(15, 179, 255, 0.05); border-left: 3px solid #0FB3FF; }
    .mobile-nav-wrapper .nav-buttons { display: flex; flex-direction: column; gap: 12px; padding: 20px 24px; background: #f8fafc; border-top: 1px solid #eee; margin-top: auto; }
    .mobile-nav-wrapper .btn-trial, .mobile-nav-wrapper .btn-buy { width: 100%; padding: 14px 20px; font-size: 15px; font-weight: 600; text-align: center; border-radius: 10px; }
    .mobile-nav-wrapper .btn-trial { background: #fff; color: #333; border: 1px solid #ddd; }
    .mobile-nav-wrapper .btn-trial:hover { border-color: #0FB3FF; color: #0FB3FF; }
    .mobile-nav-wrapper .btn-buy { background: #0FB3FF; color: #fff; border: none; }
    .mobile-nav-wrapper .btn-buy:hover { background: #00a0e9; }
    .mobile-nav-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.4); z-index: 998; opacity: 0; transition: opacity 0.3s ease; }
    .mobile-nav-overlay.active { display: block; opacity: 1; }
}

@media (max-width: 480px) {
    .mobile-nav-wrapper { width: 280px; }
    .logo-title { font-size: 16px; }
    .logo-subtitle { font-size: 9px; }
    .logo-img { width: 32px; height: 32px; }
}

/* 页脚样式 */
.footer { background: #1a1a1a; padding: 48px 0 32px; }
.footer-container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.footer-main { display: flex; justify-content: space-between; align-items: flex-start; gap: 48px; padding-bottom: 32px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand { flex: 1; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.footer-logo img { width: 32px; height: 32px; }
.footer-logo-text { font-size: 18px; font-weight: 600; color: #fff; }
.footer-copyright { font-size: 14px; color: rgba(255, 255, 255, 0.5); }
.footer-copyright a { color: #0FB3FF; font-weight: 500; }
.footer-contact { display: flex; gap: 32px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.7); font-size: 14px; transition: color 0.3s ease; }
.footer-contact-item:hover { color: #0FB3FF; }
.footer-contact-item svg { width: 18px; height: 18px; color: #0FB3FF; flex-shrink: 0; }
.footer-bottom { padding-top: 24px; text-align: center; }
.footer-notice { font-size: 13px; color: rgba(255, 255, 255, 0.4); line-height: 1.8; max-width: 800px; margin: 0 auto; }
.footer-notice-cn { margin-bottom: 8px; }
.footer-notice-en { font-size: 12px; color: rgba(255, 255, 255, 0.3); }
.footer-reseller { color: #0FB3FF; font-weight: 500; }

@media (max-width: 768px) {
    .footer { padding: 40px 0 32px; }
    .footer-container { padding: 0 20px; }
    .footer-main { flex-direction: column; gap: 28px; text-align: center; padding-bottom: 28px; }
    .footer-brand { display: flex; flex-direction: column; align-items: center; }
    .footer-logo { justify-content: center; margin-bottom: 8px; }
    .footer-logo img { width: 28px; height: 28px; }
    .footer-logo-text { font-size: 16px; }
    .footer-copyright { font-size: 13px; }
    .footer-contact { flex-direction: row; gap: 10px; justify-content: center; width: 100%; }
    .footer-contact-item { flex: 1; justify-content: center; padding: 12px 14px; background: rgba(255, 255, 255, 0.05); border-radius: 10px; font-size: 13px; }
    .footer-contact-item svg { width: 16px; height: 16px; }
    .footer-bottom { padding-top: 20px; }
    .footer-notice { font-size: 11px; line-height: 1.7; padding: 0 10px; }
    .footer-notice-cn { margin-bottom: 10px; }
    .footer-notice-en { font-size: 10px; line-height: 1.6; }
}

@media (max-width: 420px) {
    .footer-contact-item { font-size: 12px; padding: 10px 10px; gap: 6px; }
    .footer-contact-item svg { width: 14px; height: 14px; }
}

@media (max-width: 360px) {
    .footer-contact { flex-direction: column; gap: 10px; }
    .footer-contact-item { font-size: 13px; padding: 12px 16px; }
    .footer-notice { font-size: 10px; }
    .footer-notice-en { font-size: 9px; }
}