/* page_pro07.css - Super Lithium S30 Styles */

/* --- Variables & Reset for Isolation --- */
:root {
    --s30-primary: #0093D8;
    --s30-dark: #1a1a1a;
    --s30-light: #ffffff;
    --s30-gray: #f5f5f5;
    --s30-transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.page_pro07_container {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--s30-dark);
    overflow-x: hidden;
    background-color: #fff;
    width: 100%;
}

.page_pro07_container * {
    box-sizing: border-box;
}

/* --- Common Utilities --- */
.s30-section {
    padding: 100px 0;
    position: relative;
    width: 100%;
}

.s30-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.s30-title-center {
    text-align: center;
    margin-bottom: 60px;
}

.s30-title-center h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.s30-title-center p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* --- Placeholders (Red Wireframe) --- */
.img-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(255, 0, 0, 0.05);
    border: 2px solid red;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.img-placeholder::after {
    content: "IMAGE PLACEHOLDER";
    color: red;
    font-weight: bold;
    font-size: 1.2rem;
    opacity: 0.5;
}

/* --- 1. Banner Section --- */
.s30-banner {
    height: 100vh;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.s30-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0093D8;
    /* Fallback */
    z-index: 1;
}

.s30-banner-content {
    position: relative;
    z-index: 2;
    transform: translateY(30px);
    opacity: 0;
    /* GSAP */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.s30-banner h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: 5px;
}

.s30-banner p {
    font-size: 1.5rem;
    opacity: 0.9;
    font-weight: 300;
}

/* S30 Reveal Text Animation */
.s30-reveal-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    font-size: 20vw;
    /* Massive text */
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    z-index: 3;
    pointer-events: none;
    opacity: 0;
    white-space: nowrap;
    /* Optional: Stroke effect */
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.5);
}

/* --- 2. Three Cards (Compliance, Need, Suitability) --- */
.s30-cards-section {
    background: #0f1012;
    color: #fff;
    padding: 120px 0;
}

.s30-card-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.s30-card {
    flex: 1;
    height: 450px;
    background: #1f1f1f;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.s30-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
    z-index: 1;
}

.s30-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    z-index: 2;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.s30-card h3 {
    font-size: 2rem;
    margin-bottom: 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.9);
    /* Strong shadow for readability */
}

.s30-card-detail {
    height: 0;
    overflow: hidden;
    opacity: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 0;
}

.s30-card-detail p {
    font-size: 1.1rem;
    color: #ddd;
    margin-bottom: 10px;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9);
    /* Strong shadow */
}

.s30-card-detail .highlight-text {
    color: #fff;
    /* Changed from blue to white as requested */
    font-weight: bold;
    font-size: 1.2rem;
}

/* --- 3. High-Dimensional Value (Zig-Zag) --- */
.s30-value-section {
    background: #fff;
}

.s30-value-item {
    display: flex;
    align-items: center;
    margin-bottom: 100px;
    opacity: 0;
    /* GSAP */
    transform: translateY(50px);
}

.s30-value-item:last-child {
    margin-bottom: 0;
}

.s30-value-item.reverse {
    flex-direction: row-reverse;
}

.s30-value-text {
    flex: 1;
    padding: 0 50px;
}

.s30-value-text h3 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 700;
    color: var(--s30-primary);
    position: relative;
    display: inline-block;
}

.s30-value-text h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--s30-dark);
}

.s30-feature-list {
    margin-top: 30px;
}

.s30-feature-point {
    margin-bottom: 25px;
}

.s30-feature-point h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #333;
}

.s30-feature-point p {
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
}

.s30-value-img {
    flex: 1.2;
    height: 600px;
    background: #eee;
    border-radius: 12px;
    overflow: hidden;
}

/* --- 4. Product Matrix (Grid) --- */
.s30-matrix {
    background: #fcfcfc;
}

.s30-matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.s30-product-item {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.s30-product-item:hover {
    transform: translateY(-5px);
}

.s30-product-img {
    height: 200px;
    margin-bottom: 15px;
    background: #f9f9f9;
}

.s30-product-item h4 {
    font-size: 1.2rem;
    font-weight: bold;
}

/* --- 5. Application Scenarios --- */
.s30-application .s30-feat-img {
    height: 400px;
    width: 100%;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.s30-application-text {
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: #fff;
    z-index: 2;
}

.s30-application-text h3 {
    font-size: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .s30-card-grid {
        flex-direction: column;
    }

    .s30-value-item,
    .s30-value-item.reverse {
        flex-direction: column-reverse;
        text-align: left;
        margin-bottom: 80px;
    }

    .s30-value-text {
        padding: 30px 0 0 0;
    }

    .s30-value-img {
        width: 100%;
        height: 300px;
    }

    .s30-banner h1 {
        font-size: 2.5rem;
    }
}