:root {
    --primary: #00ff9d; 
    --bg-dark: #0a0a0a;
    --card-bg: #141414;
    --border: #2a2a2a;
    --text-dim: #888;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: "PingFang SC", "Microsoft YaHei", sans-serif; }
body { background-color: var(--bg-dark); color: #fff; line-height: 1.6; }
.navbar {
    height: 70px;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    position: fixed; 
    top: 0; width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
a {
    all: unset;
    cursor: pointer;
  }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; height: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.logo-text { font-size: 22px; font-weight: 900; letter-spacing: 2px; color: var(--primary); }
.logo-img { height: 28px; width: auto;margin-top: 10px;}
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-decoration: none; color: #ccc; font-size: 14px; transition: 0.3s; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); }

.hero-section {
    height: 450px; 
    padding-top: 150px; 
    background: linear-gradient(to right, rgba(0,0,0,0.01), rgba(0,0,0,0.01)), 
                url('../images/bg2.jpg') center/cover;
    position: relative;
    z-index: 1; 
}
.hero-container { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.breadcrumb { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.hero-content h1 { font-size: 48px; font-weight: 900; letter-spacing: 2px; }
.hero-content p { color: var(--primary); font-family: monospace; font-size: 14px; }

.main-wrapper {
    max-width: 1200px;
    margin: -100px auto 100px; 
    padding: 0 20px;
    position: relative;
    z-index: 10; 
}
.card { background: var(--card-bg); border: 1px solid var(--border); padding: 40px; border-radius: 4px; box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
.section-title-visual { font-size: 14px; color: var(--text-dim); margin-bottom: 16px; font-weight: 600; }
.section-header { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.section-header .step { color: var(--primary); border: 1px solid var(--primary); padding: 1px 6px; font-size: 12px; font-weight: bold; }
.section-header .faq-section-title { font-size: 18px; font-weight: 700; margin: 0; }

.input-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 40px; }
.input-group label { display: block; color: var(--text-dim); font-size: 13px; margin-bottom: 8px; }
.custom-input {
    width: 100%;
    background: #000;
    font-size: 16px;
    border: 1px solid #333;
    padding: 15px;
    color: #fff;
    border-radius: 4px;
    outline: none;
    transition: 0.3s;
}
input.custom-input,
select.custom-input {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 4px;
}
select.custom-input {
    background-color: #000;
    background-image: none;
}
.custom-input:focus { border-color: var(--primary); box-shadow: 0 0 10px rgba(0,255,157,0.1); }

.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 40px; }
.package-item {
    background: #1a1a1a; border: 1px solid #333; padding: 25px 15px; text-align: center;
    cursor: pointer; transition: all 0.2s; position: relative;
}
.package-item:hover { border-color: var(--primary); transform: translateY(-3px); }
.package-item.active { border-color: var(--primary); background: rgba(0,255,157,0.05); }
.pkg-val { font-size: 24px; font-weight: bold; display: block; }
.pkg-icon { display: block; margin: 8px auto 4px; width: 80px; height: auto; object-fit: contain; }
.pkg-discount {
    position: absolute;
    top: 0;
    right: 0;
    display: inline-block;
    margin: 0;
    padding: 4px 8px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    background: rgba(0, 255, 157, 0.12);
    border-bottom-left-radius: 4px;
}
.pkg-price { display: block; margin-top: 3px; color: var(--text-dim); font-size: 14px; }

.pay-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.pay-item { cursor: pointer; }
.pay-item input { display: none; }
.pay-box { 
    display: flex; align-items: center; justify-content: center; padding: 15px; 
    border: 1px solid #333; background: #1a1a1a; border-radius: 4px; transition: 0.3s; 
}
.pay-icon { width: 24px; height: 24px; margin-right: 12px; }
.pay-item input:checked + .pay-box { border-color: var(--primary); background: rgba(0,255,157,0.1); }

.amount-option.selected { border-color: var(--primary); background: rgba(0,255,157,0.05); transform: translateY(-3px); }
.payment-option.selected { border-color: var(--primary); background: rgba(0,255,157,0.1); }

.submit-btn {
    width: 100%; margin-top: 40px; padding: 20px; background: var(--primary); color: #000;
    border: none; font-size: 18px; font-weight: 800; cursor: pointer;
    clip-path: polygon(5% 0, 100% 0, 100% 70%, 95% 100%, 0 100%, 0 30%);
    transition: 0.3s;
}
.submit-btn:hover { background: #fff; box-shadow: 0 0 20px var(--primary); }

.side-card { background: var(--card-bg); border: 1px solid var(--border); padding: 25px; margin-bottom: 20px; }
.side-card .side-card-title,
.side-card h3.side-card-title { font-size: 15px; margin-bottom: 15px; color: var(--primary); border-left: 3px solid var(--primary); padding-left: 10px; }
.faq-item { margin-bottom: 15px; }
.faq-item h4 { font-size: 13px; color: #ddd; margin-bottom: 4px; }
.faq-item p { font-size: 12px; color: var(--text-dim); line-height: 1.5; }

.faq-section { margin-bottom: 40px; }
.faq-content { display: grid; gap: 20px; }
.faq-content .faq-item { background: #1a1a1a; border: 1px solid #333; padding: 20px; border-radius: 4px; }
.faq-content .faq-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 16px; }
.faq-content .faq-item p { color: #ccc; line-height: 1.6; font-size: 14px; }

.map-update-section {
    margin: 40px 0 30px;
}
.map-update-card {
    padding-bottom: 32px;
}
.map-update-title {
    font-size: 18px;
    font-weight: 700;
}
.map-update-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.map-card {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    background: #0e0e0e;
    border: 1px solid #222;
}
.map-card-media {
    position: relative;
}
.map-card-media img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}
.map-card-overlay {
    position: absolute;
    inset: 0;
    padding: 14px 14px 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0.15));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.map-card-overlay h3 {
    font-size: 15px;
    margin-bottom: 6px;
    color: #fff;
}
.map-card-overlay p {
    font-size: 12px;
    line-height: 1.6;
    color: #ccc;
}
.footer {
    padding: 50px 20px 40px;
    text-align: center;
    color: #555;
    border-top: 1px solid #222;
    font-size: 13px;
}
.footer-tagline {
    color: #666;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.footer-links {
    margin-bottom: 20px;
}
.footer-links a {
    color: #555;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--primary);
}
.footer-sep {
    margin: 0 10px;
    color: #444;
    user-select: none;
}
.footer-copy {
    margin-bottom: 6px;
    color: #444;
}
.footer-legal {
    margin-bottom: 6px;
    color: #555;
    font-size: 12px;
}
.footer-icp {
    margin-top: 12px;
    font-size: 12px;
    color: #555;
}
@media (max-width: 992px) {
    .hero-section { height: 350px; }
}
@media (max-width: 600px) {
    .nav-links { display: none; }
    .package-grid { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 32px; }
    .card { padding: 25px 15px; }
    .faq-content .faq-item { padding: 15px; }
    .faq-content .faq-item h3 { font-size: 15px; }
    .faq-content .faq-item p { font-size: 13px; }
    .map-update-grid { grid-template-columns: 1fr; }
    .map-card-media img { height: 200px; }
}
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin: 10% auto;
    padding: 0;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 255, 157, 0.05);
}

#confirmTitle {
    color: var(--primary);
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    color: #888;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-btn:hover {
    color: var(--primary);
}

.modal-body {
    padding: 25px;
}

.confirm-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.confirm-item:last-child {
    border-bottom: none;
}

.confirm-item label {
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
}

.confirm-item span {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.modal-footer {
    display: flex;
    gap: 15px;
    padding: 20px 25px;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

.cancel-btn, .confirm-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.cancel-btn {
    background: #333;
    color: #ccc;
    border: 1px solid #444;
}

.cancel-btn:hover {
    background: #444;
    color: #fff;
}

.confirm-btn {
    background: var(--primary);
    color: #000;
}

.confirm-btn:hover {
    background: #fff;
    box-shadow: 0 0 15px var(--primary);
}

/* 移动端适配 */
@media (max-width: 600px) {
    .modal-content {
        width: 95%;
        margin: 20% auto;
    }

    .modal-header, .modal-body, .modal-footer {
        padding: 15px 20px;
    }

    .confirm-item {
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .confirm-item label {
        font-size: 13px;
    }

    .confirm-item span {
        font-size: 13px;
        word-break: break-word;
    }
}