* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f0f2f5; color: #1a1a1a; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
li { list-style: none; }
:root {
    --dy-cyan: #25F4EE;
    --dy-cyan-dark: #00D9D4;
    --dy-pink: #FE2C55;
    --dy-pink-dark: #E01E45;
    --dy-dark: #0D0D0D;
    --dy-bg: #f0f2f5;
    --dy-card: #ffffff;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: var(--dy-card); border-bottom: 2px solid rgba(236, 12, 12, 0.271); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; }
.logo-area { display: flex; align-items: center; }
.logo-box { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-right: 12px; overflow: hidden; background: #fe2c55; }
.logo-box img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-text h1 { font-size: 18px; color: var(--dy-dark); font-weight: bold; }
.logo-text p { font-size: 11px; color: #666; }
.nav-links { display: flex; gap: 30px; }
.nav-links a:hover { color: var(--dy-pink); }
.recharge-hero {
    padding: 80px 0 88px;
    background: linear-gradient(180deg, #fafbfc 0%, #f5f6f8 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #1a1a1a;
    border-bottom: 1px solid #eeeeee;
}
.recharge-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 120% 35% at 50% 15%,
            rgba(254,44,85,0.08) 0%,
            rgba(125,211,252,0.05) 45%,
            rgba(37,244,238,0.03) 70%,
            transparent 100%),
        radial-gradient(ellipse 100% 30% at 80% 85%,
            rgba(254,44,85,0.06) 0%,
            rgba(37,244,238,0.025) 50%,
            transparent 75%);
    pointer-events: none;
    z-index: 0;
}
.recharge-hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 18% 25%, rgba(254,44,85,0.055) 0%, rgba(37,244,238,0.02) 45%, transparent 55%),
        radial-gradient(circle at 88% 35%, rgba(37,244,238,0.05) 0%, rgba(254,44,85,0.03) 45%, transparent 55%),
        radial-gradient(circle at 50% 75%, rgba(254,44,85,0.04) 0%, rgba(37,244,238,0.015) 50%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 520px; margin: 0 auto; }
.hero-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.hero-title-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.hero-subtitle {
    font-size: 15px;
    color: #666666;
    margin-bottom: 24px;
    font-weight: 400;
    line-height: 1.5;
}
.hero-subtitle-ios { display: block; width: 100%; text-align: center; margin-bottom: 32px; }
.hero-subtitle-ios span {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: #333333;
    padding: 6px 14px;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    background: #fafafa;
}
.recharge-btn {
    background: #fe2c55;
    color: #ffffff;
    padding: 14px 48px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    box-shadow: none;
    transition: background 0.2s ease, opacity 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.recharge-btn-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
}
.recharge-btn:hover {
    background: #e01e45;
    opacity: 0.95;
}
.faq-section { padding: 70px 0; background: var(--dy-card); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 28px; color: var(--dy-dark); }
.section-header p { color: #666; margin-top: 5px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.faq-item { background: #f8f9fa; padding: 20px; border-radius: 12px; cursor: pointer; border: 1px solid transparent; transition: 0.3s; }
.faq-item:hover { border-color: #fe2c55; background: #fff; box-shadow: 0 5px 20px rgba(254,44,85,0.12); }
.faq-q { font-weight: bold; display: flex; justify-content: space-between; color: var(--dy-dark); }
.faq-a { font-size: 14px; color: #555; display: none; margin-top: 10px; border-top: 1px dashed #ddd; padding-top: 10px; }
.desc-section { padding: 60px 0; background: var(--dy-bg); }
.desc-box { background: var(--dy-card); border-radius: 20px; padding: 40px; border: 1px solid #e8e8e8; box-shadow: 0 4px 16px rgba(0,0,0,0.04); }
.desc-box h3 { margin-bottom: 20px; border-left: 4px solid var(--dy-pink); padding-left: 15px; color: var(--dy-dark); }
.desc-list li { margin-bottom: 15px; font-size: 15px; color: #444; display: flex; align-items: flex-start; }
.desc-list li::before { content: "✓"; color: #fe2c55; font-weight: bold; margin-right: 10px; }
.news-section { padding: 70px 0; background: var(--dy-card); }
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; margin-top: 30px; }
.news-card { border-radius: 15px; overflow: hidden; border: 1px solid #e8e8e8; transition: 0.3s; }
.news-section a.news-card { display: block; color: inherit; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(254,44,85,0.15); border-color: #fe2c55; }
.news-img { width: 100%; aspect-ratio: 16 / 9; background: linear-gradient(135deg, #e8fafa 0%, #ffe8ee 100%); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 20px; }
.news-body h4 { font-size: 17px; margin-bottom: 8px; color: var(--dy-dark); }
.news-body p { font-size: 13px; color: #666; }
footer { background: var(--dy-dark); color: #888; padding: 60px 0 30px; text-align: center; font-size: 13px; }
.footer-nav { margin-bottom: 25px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 4px 12px; }
.footer-nav-item:not(:last-child)::after { content: "|"; margin-left: 12px; color: #555; font-weight: normal; }
.footer-nav a { color: #aaa; }
.footer-nav a:hover { color: #fe2c55; }
.copyright { border-top: 1px solid #333; padding-top: 25px; line-height: 2; }
.copyright p { color: #888; }
.article-page { padding: 40px 0 60px; background: var(--dy-bg); min-height: 60vh; }
.article-content { max-width: 780px; margin: 0 auto; background: var(--dy-card); border-radius: 16px; padding: 40px 48px; border: 1px solid #e8e8e8; box-shadow: 0 2px 12px rgba(0,0,0,0.04); }
.article-header { margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px solid #eee; }
.article-header h1 { font-size: 26px; color: var(--dy-dark); margin-bottom: 12px; line-height: 1.35; }
.article-lead { font-size: 15px; color: #555; line-height: 1.75; }
.article-section { margin-bottom: 32px; }
.article-section h2 { font-size: 18px; color: var(--dy-dark); margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--dy-pink); }
.article-section h3 { font-size: 16px; color: #333; margin: 20px 0 10px; }
.article-section p { font-size: 15px; color: #444; line-height: 1.8; margin-bottom: 12px; }
.article-section strong { color: #222; }
.article-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid #eee; }
.article-footer p { margin-bottom: 10px; }
.article-footer a { color: var(--dy-pink); }
.article-footer a:hover { text-decoration: underline; color: #e01e45; }
.article-list { margin: 12px 0 16px; padding-left: 24px; }
.article-list li { list-style: disc; margin-bottom: 6px; font-size: 15px; color: #444; line-height: 1.6; }
.price-table-wrap { overflow-x: auto; margin-top: 16px; border: 1px solid #e8e8e8; border-radius: 10px; }
.price-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.price-table th, .price-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eee; }
.price-table th { background: #f0f2f5; color: var(--dy-dark); font-weight: 600; }
.price-table tbody tr:nth-child(even) { background: #f8f9fa; }
.price-table tbody tr:hover { background: rgba(254,44,85,0.06); }
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(13,13,13,0.85); z-index: 200; align-items: center; justify-content: center; backdrop-filter: blur(8px); color: var(--dy-dark); }
.modal-content { background: var(--dy-card); padding: 35px; border-radius: 25px; text-align: center; width: 90%; max-width: 380px; position: relative; animation: zoomIn 0.3s ease; border: 1px solid rgba(254,44,85,0.25); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
@keyframes zoomIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.close-btn { position: absolute; right: 20px; top: 15px; font-size: 28px; color: #999; cursor: pointer; transition: color 0.2s; }
.close-btn:hover { color: var(--dy-pink); }
.qr-wrap { width: 220px; height: 220px; background: #f5f5f5; margin: 20px auto; border-radius: 12px; display: flex; align-items: center; justify-content: center; border: 2px solid rgba(254,44,85,0.3); overflow: hidden; }
.qr-wrap img { width: 100%; height: 100%; object-fit: contain; display: block; }
.qr-footer { background: rgba(254,44,85,0.12); color: #fe2c55; padding: 8px 20px; border-radius: 50px; font-weight: bold; display: inline-flex; align-items: center; justify-content: center; gap: 8px; margin-top: 10px; font-size: 14px; }
.qr-footer-icon { width: 20px; height: 20px; object-fit: contain; }
@media (max-width: 768px) {
    header { padding-left: 24px; padding-right: 24px; }
    header .container { padding-left: 0; padding-right: 0; }
    .container { padding-left: 24px; padding-right: 24px; }
    .nav-links { display: none; }
    .faq-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 28px; }
    .desc-box { padding: 20px; }
    .article-content { padding: 24px 20px; }
    .article-header h1 { font-size: 22px; }
    .article-section h2 { font-size: 17px; }
    .price-table { font-size: 12px; }
    .price-table th, .price-table td { padding: 8px 10px; }
    .desc-list li { flex-wrap: wrap; }
    .desc-list li b { white-space: nowrap; flex-shrink: 0; }
    .desc-list li span { min-width: 0; }
    .footer-nav { gap: 4px 10px; }
    .footer-nav-item:not(:last-child)::after { margin-left: 10px; }
    .footer-nav a { font-size: 12px; }
}