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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #0c0c0c, #1a1a2e, #16213e);
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(30, 144, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(138, 43, 226, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.05) 0%, transparent 30%);
    z-index: -1;
    animation: backgroundShift 20s ease infinite;
}

@keyframes backgroundShift {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

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

header {
    text-align: center;
    padding: 60px 0;
    background: rgba(10, 10, 20, 0.4);
    border-radius: 20px;
    margin-bottom: 40px;
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

header::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(138, 43, 226, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 6s infinite;
}

@keyframes shine {
    0% { transform: rotate(45deg) translateX(-100%); }
    100% { transform: rotate(45deg) translateX(100%); }
}

header:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.logo-container {
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.logo {
    max-width: 180px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}

.logo:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 15px 40px rgba(138, 43, 226, 0.4);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-shadow: 0 0 20px rgba(138, 43, 226, 0.7);
    background: linear-gradient(45deg, #fff, #4fc3f7, #ab47bc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% { text-shadow: 0 0 10px rgba(138, 43, 226, 0.7); }
    100% { text-shadow: 0 0 30px rgba(138, 43, 226, 0.9), 0 0 60px rgba(138, 43, 226, 0.6); }
}

.subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    letter-spacing: 1px;
    position: relative;
}

.subtitle::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #4fc3f7, transparent);
    border-radius: 3px;
}

main {
    max-width: 900px;
    margin: 0 auto;
}

section {
    background: rgba(20, 20, 35, 0.4);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #2196f3, #ab47bc, #4caf50);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

section:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
}

section:hover::before {
    transform: scaleX(1);
}

section:hover::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: rotate(45deg);
    animation: sectionShine 3s infinite;
}

@keyframes sectionShine {
    0% { transform: rotate(45deg) translateX(-100%); }
    100% { transform: rotate(45deg) translateX(100%); }
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    text-align: center;
    color: #4fc3f7;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2196f3, #ab47bc);
    border-radius: 2px;
}

.info-card {
    text-align: center;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

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

.info-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
    border-radius: 10px;
}

.info-label {
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    padding-left: 20px;
}

.info-label::before {
    content: "▶";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #2196f3;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.info-item:hover .info-label::before {
    color: #ab47bc;
    transform: translateY(-50%) rotate(90deg);
}

.info-value {
    font-size: 1.2rem;
    color: #4fc3f7;
    font-weight: 500;
    position: relative;
    padding-right: 20px;
}

.info-value::after {
    content: "◀";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #2196f3;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.info-item:hover .info-value::after {
    color: #ab47bc;
    transform: translateY(-50%) rotate(90deg);
}

.ip-section {
    text-align: center;
}

.ip-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 35px 0;
    flex-wrap: wrap;
    position: relative;
}

.ip-display::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2196f3, #ab47bc, #4caf50, transparent);
    transform: translateY(-50%);
    z-index: -1;
}

.ip-text {
    font-size: 2.5rem;
    font-weight: 800;
    background: rgba(10, 10, 20, 0.6);
    padding: 20px 40px;
    border-radius: 15px;
    letter-spacing: 3px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    animation: ipPulse 2s ease-in-out infinite alternate;
}

@keyframes ipPulse {
    0% { box-shadow: 0 0 15px rgba(33, 150, 243, 0.5); }
    100% { box-shadow: 0 0 30px rgba(171, 71, 188, 0.8); }
}

.ip-text::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: 0.5s;
}

.ip-text:hover::before {
    left: 100%;
}

.copy-btn {
    background: linear-gradient(45deg, #2196f3, #ab47bc);
    color: white;
    border: none;
    padding: 18px 35px;
    font-size: 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s ease;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.4);
    position: relative;
    overflow: hidden;
    letter-spacing: 1px;
}

.copy-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.copy-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(171, 71, 188, 0.6);
}

.copy-btn:hover::before {
    left: 100%;
}

.copy-btn:active {
    transform: translateY(0) scale(0.98);
}

.ip-note {
    font-style: italic;
    opacity: 0.9;
    margin-top: 15px;
    font-size: 1.1rem;
    position: relative;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.ip-note::before {
    content: "ℹ";
    margin-right: 10px;
    color: #4fc3f7;
}

.qq-section {
    text-align: center;
}

.qq-section p {
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.qq-section p::before {
    content: "💬";
    margin-right: 10px;
    color: #4caf50;
}

.qq-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
}

.qq-info::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4caf50, #ff9800, #f44336, transparent);
    transform: translateY(-50%);
    z-index: -1;
}

.qq-number {
    font-size: 1.8rem;
    font-weight: 800;
    background: rgba(10, 10, 20, 0.6);
    padding: 18px 35px;
    border-radius: 15px;
    letter-spacing: 2px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    animation: qqPulse 2.5s ease-in-out infinite alternate;
}

@keyframes qqPulse {
    0% { box-shadow: 0 0 15px rgba(76, 175, 80, 0.5); }
    100% { box-shadow: 0 0 30px rgba(244, 67, 54, 0.8); }
}

.qq-number::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: 0.5s;
}

.qq-number:hover::before {
    left: 100%;
}

footer {
    text-align: center;
    padding: 30px;
    margin-top: 50px;
    opacity: 0.9;
    font-size: 1rem;
    position: relative;
    background: rgba(10, 10, 20, 0.4);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2196f3, #ab47bc, #4caf50, #ff9800, #f44336);
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    section {
        padding: 25px;
        margin-bottom: 25px;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .info-label, .info-value {
        font-size: 1.1rem;
    }
    
    .ip-text {
        font-size: 1.8rem;
        padding: 15px 25px;
    }
    
    .qq-number {
        font-size: 1.4rem;
        padding: 15px 25px;
    }
    
    .copy-btn {
        padding: 15px 25px;
        font-size: 1.1rem;
    }
    
    .ip-display, .qq-info {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .ip-text {
        font-size: 1.5rem;
        padding: 12px 20px;
    }
    
    .qq-number {
        font-size: 1.2rem;
        padding: 12px 20px;
    }
    
    .copy-btn {
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    section {
        padding: 20px;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}