:root {
    --primary-red: #E60012;
    --dark-bg: #1A1A1A;
    --text-white: #FFFFFF;
    --light-grey: #A0A0A0;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: #000;
    color: var(--text-white);
}

.page {
    width: 1280px;
    height: 720px;
    position: relative;
    overflow: hidden;
    background-color: var(--dark-bg);
    margin-bottom: 20px;
    border: 1px solid #333;
}

/* Page 1: Hero Page */
.hero-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://sc02.alicdn.com/kf/Aea3eb729c50e4f4b98631aebd134a32bv.png') no-repeat center center;
    background-size: cover;
    opacity: 0.6;
}

.logo-overlay {
    position: absolute;
    top: 50px;
    left: 80px;
    height: 60px;
}

.hero-content {
    position: absolute;
    bottom: 120px;
    left: 80px;
    z-index: 2;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin: 0;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-red);
    margin-top: 15px;
    font-weight: 400;
    letter-spacing: 2px;
}

.red-accent-line {
    width: 100px;
    height: 8px;
    background: var(--primary-red);
    margin-bottom: 25px;
}

/* Page 2: Integration Power */
.ecosystem-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://sc02.alicdn.com/kf/Af262a8fc84f547b7b12ee15f835c3038u.png') no-repeat center center;
    background-size: cover;
    opacity: 0.4;
}

.section-title {
    position: absolute;
    top: 60px;
    left: 80px;
    font-size: 42px;
    font-weight: 700;
    border-left: 8px solid var(--primary-red);
    padding-left: 20px;
}

.ecosystem-desc {
    position: absolute;
    top: 180px;
    left: 80px;
    width: 450px;
    font-size: 18px;
    line-height: 1.6;
    color: var(--light-grey);
}

.feature-box {
    position: absolute;
    bottom: 80px;
    display: flex;
    gap: 40px;
    left: 80px;
}

.feature-item {
    background: rgba(255,255,255,0.05);
    padding: 25px;
    border-radius: 8px;
    width: 250px;
    border: 1px solid rgba(255,255,255,0.1);
}

.feature-item h3 {
    color: var(--primary-red);
    margin-top: 0;
}

/* Page 3: Infographic Specs */
.spec-page {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.product-img {
    position: absolute;
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    height: 90%;
    z-index: 1;
}

.spec-grid {
    width: 500px;
    margin-right: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    z-index: 2;
}

.spec-card {
    background: rgba(255,255,255,0.03);
    padding: 20px;
    border-bottom: 3px solid var(--primary-red);
}

.spec-value {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
}

.spec-label {
    font-size: 14px;
    color: var(--light-grey);
    text-transform: uppercase;
    margin-top: 5px;
}