* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('https://test.fukit.cn/autoupload/fr/iz9zPfBfI4MmMF7-lwrnkCj4jFLeGa0GfpSK2gJm1BOyl5f0KlZfm6UsKj-HyTuv/20260207/PHN6/1920X1080/553248.jpg/webp') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #e74c3c;
    margin-bottom: 40px;
}

.logo {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #e74c3c;
    text-shadow: 0 0 10px rgba(231, 76, 60, 0.8);
    position: relative;
}

.logo::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, #e74c3c, transparent);
}

.logo span {
    color: #f1c40f;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ul li a:hover,
nav ul li a.active {
    background: rgba(231, 76, 60, 0.85);
    box-shadow: 0 0 15px rgba(231, 76, 60, 0.7);
}

nav ul li a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #f1c40f;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.hero {
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 50px;
    position: relative;
    display: grid;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(0, 0, 0, 0.8);
    background: linear-gradient(to right, #e74c3c, #f1c40f, #e74c3c);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
}

.hero h1::after {
    content: "STREET STORY";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: transparent;
    text-shadow: 0 0 25px rgba(241, 196, 15, 0.9);
    clip-path: inset(0 0 50% 0);
    animation: flicker 2s infinite alternate;
    z-index: -1;
}

@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        opacity: 0.95;
        text-shadow: 0 0 25px rgba(241, 196, 15, 0.9), 0 0 35px rgba(241, 196, 15, 0.8);
    }
    20%, 24%, 55% {
        opacity: 0.7;
        text-shadow: none;
    }
}

.hero p {
    font-size: 1.8rem;
    max-width: 800px;
    margin: 0 auto 30px;
    color: #f8f9fa;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);

}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
    transition: transform 0.5s ease;
    transform-origin: left;
}

.btn:hover::after {
    transform: scaleX(1.1);
}

.btn-primary {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #c0392b, #a93226);
    box-shadow: 0 0 25px rgba(231, 76, 60, 0.7);
    transform: translateY(-3px);
}

.btn-secondary {
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(45deg, #2980b9, #1f618d);
    box-shadow: 0 0 25px rgba(52, 152, 219, 0.7);
    transform: translateY(-3px);
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin: 50px 0;
    padding: 30px 0;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.feature-card {
    background: rgba(30, 30, 30, 0.1);
    border-radius: 10px;
    padding: 30px;
    width: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7), 0 0 25px rgba(231, 76, 60, 0.4);
    border-color: rgba(231, 76, 60, 0.5);
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #f1c40f;
    text-align: center;
    position: relative;
    padding-bottom: 10px;
}

.feature-card h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #e74c3c;
}

.feature-card p {
    text-align: center;
    margin-top: 15px;
    font-size: 1.05rem;
}

.feature-icon {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #e74c3c;
    text-shadow: 0 0 15px rgba(231, 76, 60, 0.7);
}

.rules-section {
    background: rgba(20, 20, 20, 0.1);
    border-radius: 15px;
    padding: 40px;
    margin: 50px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    border: 2px solid #e74c3c;
    position: relative;
    overflow: hidden;
}

.rules-section::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(231, 76, 60, 0.1) 50%, transparent 60%);
    transform: rotate(45deg);
    z-index: -1;
    animation: scan 8s linear infinite;
}

@keyframes scan {
    0% {
        top: -50%;
    }
    100% {
        top: 150%;
    }
}

.rules-section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: #f1c40f;
    text-shadow: 0 0 10px rgba(241, 196, 15, 0.7);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.rules-section h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #e74c3c;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.rule-item {
    padding: 20px;
    background: rgba(30, 30, 30, 0.2);
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
    transition: all 0.3s ease;
}

.rule-item:hover {
    background: rgba(40, 40, 40, 0.9);
    transform: translateX(5px);
    border-left: 4px solid #f1c40f;
}

.rule-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #f1c40f;
}

footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 30px;
    border-top: 2px solid #e74c3c;
    font-size: 1.1rem;
    color: #ddd;
}

.copyright {
    margin-top: 10px;
    font-size: 0.95rem;
    color: #aaa;
}

.neon-text {
    text-shadow: 0 0 10px #e74c3c, 0 0 20px #e74c3c, 0 0 30px #e74c3c;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { text-shadow: 0 0 10px #e74c3c, 0 0 20px #e74c3c, 0 0 30px #e74c3c; }
    50% { text-shadow: 0 0 15px #e74c3c, 0 0 25px #e74c3c, 0 0 35px #e74c3c, 0 0 45px #e74c3c; }
    100% { text-shadow: 0 0 10px #e74c3c, 0 0 20px #e74c3c, 0 0 30px #e74c3c; }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
        padding: 15px 0;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h1 {
        font-size: 3.2rem;
    }

    .hero p {
        font-size: 1.4rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .rules-section {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2.2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    nav ul li {
        margin: 3px 5px;
    }

    nav ul li a {
        font-size: 0.95rem;
        padding: 3px 8px;
    }
}