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

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    background: #0a0a1a;
    color: #ffffff;
    overflow: hidden;
    height: 100vh;
}

.container {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.page {
    height: 100vh;
    width: 100vw;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: translateY(100vh);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page.active {
    opacity: 1;
    transform: translateY(0);
}

/* 第一页样式 */
#page1 {
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a1a 70%);
}

.planet-container {
    position: relative;
    width: 80vmin;
    height: 80vmin;
    display: flex;
    align-items: center;
    justify-content: center;
}

.planet {
    position: relative;
    width: 85vmin;
    height: 85vmin;
    border-radius: 50%;
    animation: rotate 25s linear infinite;
}

.planet-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6vmin;
    height: 6vmin;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.8);
    z-index: 5;
}

.planet-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 0.5px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.planet-ring:nth-child(2) {
    width: 70vmin;
    height: 70vmin;
    animation: rotate 30s linear infinite reverse;
}

.planet-ring:nth-child(3) {
    width: 55vmin;
    height: 55vmin;
    animation: rotate 22s linear infinite;
}

.planet-ring:nth-child(4) {
    width: 40vmin;
    height: 40vmin;
    animation: rotate 28s linear infinite reverse;
}

.planet-ring:nth-child(5) {
    width: 25vmin;
    height: 25vmin;
    animation: rotate 20s linear infinite;
}

.planet-ring:nth-child(6) {
    width: 10vmin;
    height: 10vmin;
    animation: rotate 15s linear infinite reverse;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.product-name {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.product-name h1 {
    font-size: 4vmin;
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 1vmin;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.product-name p {
    font-size: 1.8vmin;
    opacity: 0.8;
    letter-spacing: 0.1em;
}

/* 轨道上的小光点 */
.star-points {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.star-point {
    position: absolute;
    width: 2vmin;
    height: 2vmin;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.star-glow {
    width: 0.3vmin;
    height: 0.3vmin;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
    animation: pulse 2s ease-in-out infinite;
}

.advantage {
    margin-top: 0.5vmin;
    font-size: 0.8vmin;
    opacity: 0.6;
    text-align: center;
    writing-mode: horizontal-tb;
}

/* 轨道光点动画 */
.star-point:nth-child(1) .star-glow { animation-delay: 0s; }
.star-point:nth-child(2) .star-glow { animation-delay: 0.5s; }
.star-point:nth-child(3) .star-glow { animation-delay: 1s; }
.star-point:nth-child(4) .star-glow { animation-delay: 1.5s; }
.star-point:nth-child(5) .star-glow { animation-delay: 2s; }
.star-point:nth-child(6) .star-glow { animation-delay: 2.5s; }
.star-point:nth-child(7) .star-glow { animation-delay: 3s; }
.star-point:nth-child(8) .star-glow { animation-delay: 3.5s; }
.star-point:nth-child(9) .star-glow { animation-delay: 0.2s; }
.star-point:nth-child(10) .star-glow { animation-delay: 0.7s; }
.star-point:nth-child(11) .star-glow { animation-delay: 1.2s; }
.star-point:nth-child(12) .star-glow { animation-delay: 1.7s; }
.star-point:nth-child(13) .star-glow { animation-delay: 2.2s; }
.star-point:nth-child(14) .star-glow { animation-delay: 2.7s; }
.star-point:nth-child(15) .star-glow { animation-delay: 0.4s; }
.star-point:nth-child(16) .star-glow { animation-delay: 0.9s; }
.star-point:nth-child(17) .star-glow { animation-delay: 1.4s; }
.star-point:nth-child(18) .star-glow { animation-delay: 1.9s; }

.advantage-point {
    width: auto !important;
    height: auto !important;
}

.advantage-point .advantage {
    font-size: 1.2vmin;
    opacity: 0.8;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 1; }
}

.scroll-indicator {
    position: absolute;
    bottom: 5vh;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 1.2vmin;
    letter-spacing: 0.1em;
}

.arrow {
    width: 2vmin;
    height: 2vmin;
    border-right: 2px solid rgba(255, 255, 255, 0.8);
    border-bottom: 2px solid rgba(255, 255, 255, 0.8);
    transform: rotate(45deg);
    margin: 1vmin auto 0;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* 通用内容样式 */
.content-wrapper {
    max-width: 80vw;
    text-align: center;
    padding: 5vh;
}

.section-title {
    margin-bottom: 8vh;
}

.section-title h2 {
    font-size: 4vmin;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 2vh;
}

.title-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    margin: 0 auto;
}

/* 第二页样式 */
#page2 {
    background: radial-gradient(ellipse at center, #1e2a3a 0%, #0a0a1a 70%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4vw;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 4vh 2vw;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skill-icon {
    font-size: 3vmin;
    margin-bottom: 2vh;
}

.skill-card h3 {
    font-size: 2.2vmin;
    margin-bottom: 2vh;
    font-weight: 400;
}

.skill-card p {
    font-size: 1.6vmin;
    opacity: 0.8;
    line-height: 1.6;
}

/* 第三页样式 */
#page3 {
    background: radial-gradient(ellipse at center, #2a1e3a 0%, #0a0a1a 70%);
}

.campaign-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4vw;
    max-width: 1200px;
    margin: 0 auto;
}

.campaign-item {
    text-align: center;
    padding: 3vh 2vw;
}

.campaign-number {
    font-size: 3vmin;
    opacity: 0.3;
    margin-bottom: 2vh;
    font-weight: 300;
}

.campaign-item h3 {
    font-size: 2.2vmin;
    margin-bottom: 2vh;
    font-weight: 400;
}

.campaign-item p {
    font-size: 1.6vmin;
    opacity: 0.8;
    line-height: 1.6;
}

/* 第四页样式 */
#page4 {
    background: radial-gradient(ellipse at center, #1a2a2a 0%, #0a0a1a 70%);
}

.declaration {
    max-width: 800px;
}

.declaration-title {
    margin-bottom: 6vh;
}

.declaration-content {
    margin-bottom: 6vh;
}

.highlight {
    font-size: 2.5vmin;
    margin-bottom: 3vh;
    color: #4fc3f7;
    font-weight: 300;
}

.declaration-content p {
    font-size: 1.8vmin;
    margin-bottom: 2vh;
    opacity: 0.9;
    line-height: 1.8;
}

.contact-info {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 4vh;
}

.contact-info p {
    font-size: 1.8vmin;
    margin-bottom: 2vh;
    opacity: 0.8;
}

.signature {
    font-size: 2vmin;
    font-style: italic;
    opacity: 0.7;
}

/* 页面指示器 */
.page-indicator {
    position: fixed;
    right: 3vw;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2vh;
    z-index: 100;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator-dot.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.indicator-dot:hover {
    border-color: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .skills-grid,
    .campaign-showcase {
        grid-template-columns: 1fr;
        gap: 3vh;
    }
    
    .skill-card,
    .campaign-item {
        padding: 3vh 4vw;
    }
    
    .product-name h1 {
        font-size: 6vmin;
    }
    
    .product-name p {
        font-size: 3vmin;
    }
    
    .advantage {
        font-size: 2vmin;
    }
}