* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top, #2b2045, #0d0b12 55%);
    color: #fff;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 64px;
    padding: 0 28px;
    background: rgba(10, 8, 18, 0.8);
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: #ffd98a;
}

.topbar nav a {
    margin-left: 22px;
    color: #ddd;
    font-size: 14px;
}

.hero {
    padding: 70px 20px 30px;
    display: flex;
    justify-content: center;
}

.hero-card {
    max-width: 900px;
    width: 100%;
    padding: 46px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 30px 80px rgba(0,0,0,0.35);
    text-align: center;
}

.tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 217, 138, 0.12);
    color: #ffd98a;
    border: 1px solid rgba(255, 217, 138, 0.35);
}

.hero h1 {
    font-size: 44px;
    margin: 22px 0 12px;
}

.hero p {
    color: #d6d0e5;
    font-size: 18px;
}

.notice {
    margin-top: 24px;
    padding: 14px 18px;
    border-radius: 14px;
    background: rgba(255, 157, 0, 0.12);
    color: #ffd98a;
}

.packages {
    max-width: 1180px;
    margin: 30px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.package-card {
    padding: 30px;
    border-radius: 24px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 24px 60px rgba(0,0,0,0.25);
    transition: 0.25s;
}

.package-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 217, 138, 0.45);
}

.package-header h2 {
    margin: 0;
    font-size: 24px;
    color: #fff;
}

.package-header p {
    color: #bbb3cf;
}

.price {
    margin: 24px 0 10px;
    font-size: 42px;
    font-weight: 800;
    color: #ffd98a;
}

.price span {
    font-size: 22px;
}

.price small {
    display: block;
    margin-top: 6px;
    font-size: 14px;
    color: #8d879c;
    text-decoration: line-through;
}

.period {
    color: #cbbaff;
    font-size: 14px;
    margin-bottom: 14px;
}

.desc {
    color: #d8d3e6;
    line-height: 1.7;
}

.benefits {
    list-style: none;
    padding: 0;
    margin: 22px 0;
}

.benefits li {
    padding: 9px 0;
    color: #eee;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.benefits li::before {
    content: "✓";
    color: #ffd98a;
    margin-right: 8px;
}

.pay-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px 20px;
    border-radius: 14px;
    background: linear-gradient(135deg, #ffd98a, #ff9f43);
    color: #211408;
    font-weight: 800;
    box-shadow: 0 10px 28px rgba(255, 159, 67, 0.3);
}

.faq {
    max-width: 900px;
    margin: 70px auto 30px;
    padding: 0 20px;
}

.faq h2 {
    text-align: center;
    font-size: 30px;
    color: #ffd98a;
}

.faq-item {
    margin-top: 18px;
    padding: 22px;
    border-radius: 18px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
}

.faq-item h3 {
    margin-top: 0;
}

.faq-item p {
    color: #d4cede;
}

.footer-note {
    max-width: 900px;
    margin: 40px auto;
    padding: 22px;
    color: #bbb;
    text-align: center;
}

footer {
    padding: 30px;
    color: #888;
    text-align: center;
}

.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.success-card {
    max-width: 560px;
    width: 100%;
    text-align: center;
    padding: 42px;
    border-radius: 28px;
    background: rgba(255,255,255,0.09);
    border: 1px solid rgba(255,255,255,0.14);
}

.success-icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 20px;
    line-height: 76px;
    border-radius: 50%;
    background: #30d158;
    font-size: 42px;
    color: #fff;
}

.order-box,
.contact-box {
    margin: 22px 0;
    padding: 18px;
    border-radius: 16px;
    background: rgba(0,0,0,0.2);
    text-align: left;
}

@media (max-width: 900px) {
    .packages {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-card {
        padding: 32px 22px;
    }

    .topbar {
        padding: 0 16px;
    }

    .topbar nav a {
        margin-left: 10px;
    }
}