/* ================= 全局重置与基础样式 ================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #000000;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.page-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    background-color: #050505;
}

h1, h2, h3, .logo, .btn, .section-tag, .handle-link {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.orange-text {
    color: #FF5500 !important;
}
.white-text {
    color: #ffffff;
}

/* ================= 动态效果增强（新增） ================= */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 85, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 85, 0, 0); }
}

.hero-section, .value-section, .features-section, .main-footer {
    will-change: transform, opacity;
}

/* ================= HERO SECTION (1.png) ================= */
.hero-section {
    padding: 50px 60px 100px 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 0.85;
}
.logo-bricko {
    font-size: 34px;
    font-weight: 700;
    color: #FF5500;
}
.logo-toys {
    font-size: 28px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 3px;
}

.follow-us-top {
    text-align: right;
}
.follow-text {
    font-size: 11px;
    color: #ffffff; 
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.social-icons-top {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}
.social-icons-top a {
    color: #ffffff;
    display: inline-block;
    transition: all 0.3s ease;
}
.social-icons-top a svg {
    height: 15px;
    width: auto;
    max-width: 20px;
    display: block;
}
.social-icons-top a:hover {
    color: #FF5500;
    transform: translateY(-2px);
}

.hero-content {
    margin-top: 40px;
    max-width: 550px;
}

.main-title {
    font-size: 90px;
    font-weight: 700;
    line-height: 0.85;
    display: flex;
    flex-direction: column;
}

.date-sub {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 6px;
    margin-top: 25px;
}

.orange-line {
    width: 65px;
    height: 3px;
    background-color: #FF5500;
    margin-top: 15px;
    margin-bottom: 35px;
}

.hero-desc {
    font-size: 16px;
    line-height: 1.65;
    color: #cccccc;
    font-weight: 300;
    margin-bottom: 45px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 35px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 1.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-icon {
    width: 14px;
    height: 14px;
    margin-right: 8px;
}
.btn-icon-right {
    width: 14px;
    height: 14px;
    margin-left: 8px;
    color: #FF5500;
}

.btn-orange {
    background-color: #FF5500;
    color: #fff;
    animation: pulse 2s infinite;
}
.btn-orange:hover {
    background-color: #e04b00;
    animation: none;
    transform: scale(1.03);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 1px solid #ffffff;
}
.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.trust-text {
    font-size: 14px;
    color: #999;
}
.trust-text span {
    color: #FF5500;
}

/* ================= FEATURES SECTION (2.png - 5.png) ================= */
.features-section {
    padding: 80px 60px 40px 60px;
    background-color: #050505;
}

.section-tag {
    color: #FF5500;
    font-size: 12px;
    letter-spacing: 2px;
    font-weight: 600;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-top: 5px;
}

.short-orange-line {
    width: 35px;
    height: 3px;
    background-color: #FF5500;
    margin-top: 10px;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background-color: rgba(255, 255, 255, 0.05);
    gap: 1px;
}

.feature-card {
    background-color: #050505;
    padding: 55px 20px;
    text-align: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, background-color 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.icon-box {
    width: 150px;
    height: 150px;
    margin: 0 auto 0px auto;
    transition: transform 0.4s ease;
}
.feature-card:hover .icon-box {
    transform: scale(1.05);
}
.icon-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 18px;
    line-height: 1.3;
    margin-bottom: 18px;
    font-weight: 600;
}

.feature-card p {
    font-size: 13px;
    color: #666;
}

/* ================= VALUE PROPOSITION SECTION (6.png) ================= */
.value-section {
    padding: 40px 60px;
    background-color: #050505;
}

.value-container-box {
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    background-color: #050505;
    min-height: 320px;
}

.value-left {
    flex: 1;
    padding: 50px;
    display: flex;
    align-items: center;
    max-width: 20rem;
}
.value-left h2 {
    font-size: 48px;
    line-height: 1.1;
    font-weight: 700;
}

.value-vertical-line {
    width: 1px;
    background-color: #FF5500;
    margin: 40px 0;
}

.value-right {
    flex: 1.8;
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    padding-left: 50px;
}

.value-text-wrapper {
    max-width: 420px;
}
.value-right p {
    font-size: 16px;
    color: #cccccc;
    line-height: 1.7;
    margin-bottom: 15px;
}
.value-right p:last-child {
    margin-bottom: 0;
}

/* ================= NEWSLETTER SECTION ================= */
.newsletter-section {
    padding: 80px 60px;
    background-color: #050505;
}

.newsletter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 50px;
}

.news-left h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 10px;
}
.news-left p {
    font-size: 14px;
    color: #888;
}

.news-right {
    width: 55%;
}

.subscribe-form {
    display: flex;
    gap: 15px;
    width: 100%;
}

.subscribe-form input[type="email"] {
    flex: 1;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 16px;
    color: #fff;
    font-size: 14px;
    border-radius: 0;
    -webkit-appearance: none;
    transition: border-color 0.3s;
}
.subscribe-form input[type="email"]:focus {
    outline: none;
    border-color: #FF5500;
}

.btn-submit {
    background-color: #FF5500;
    color: #fff;
    border: none;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    padding: 0 35px;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.3s, transform 0.2s;
}
.btn-submit:hover {
    background-color: #e04b00;
    transform: translateY(-1px);
}

.privacy-text {
    font-size: 12px;
    color: #555;
    margin-top: 12px;
}

/* ================= MAIN FOOTER 与社交媒体完美合体 (针对整张 7.png 重构) ================= */
.main-footer {
    width: 100%;
    min-height: 750px; /* 提供足够的垂直空间完整展现 7.png 的橱窗细节 */
    background-color: #000000;
    
    /* 核心底层：整张大图水平居中、比例覆盖并完美贴底 */
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
    
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0;
    position: relative;
}

/* 核心覆盖层：精确锁死在 7.png 正中间的纯黑纯净留白区域，绝不遮挡两侧展橱 */
.footer-overlay-content {
    width: 100%;
    max-width: 480px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 5;
}

/* 社交媒体卡片布局 */
.bottom-socials {
    width: 100%;
    background-color: transparent; /* 移除原来的纯黑背景，实现全景穿透 */
    padding: 0;
    margin-bottom: 35px;
}

.bottom-socials h2 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 35px;
    letter-spacing: 2px;
}

.social-hex-grid {
    display: flex;
    justify-content: center;
    gap: 45px;
    margin-bottom: 25px;
}

.social-item {
    text-decoration: none;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}
.social-item:hover {
    transform: translateY(-4px);
}

.circle-icon {
    width: 52px;
    height: 52px;
    border: 1px solid #FF5500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: #FF5500;
    background-color: transparent;
    transition: all 0.3s ease;
}

.circle-icon svg {
    width: 18px;
    height: 18px;
    display: block;
}

.social-item:hover .circle-icon {
    background-color: #FF5500;
    color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 85, 0, 0.4);
}

.social-item span {
    font-size: 10px;
    color: #777;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.social-item:hover span {
    color: #ffffff;
}

.handle-link {
    color: #FF5500;
    font-size: 16px;
    text-decoration: none;
    transition: opacity 0.3s;
}
.handle-link:hover {
    opacity: 0.8;
}

/* 优雅的暗系分割线 */
.footer-divider {
    width: 70%;
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 30px 0;
}

/* 底部中央版权内容 */
.footer-center-content {
    width: 100%;
    padding: 0;
    background-color: transparent; /* 消除阻挡背景图的色块 */
}

.footer-logo {
    display: flex;
    flex-direction: column;
    line-height: 0.85;
    margin-bottom: 20px;
}
.logo-large {
    font-size: 48px;
    font-weight: 700;
    color: #FF5500;
}
.logo-sub-large {
    font-size: 38px;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 5px;
}

.footer-status {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 25px;
}

.footer-email {
    margin-bottom: 25px;
}
.footer-email a {
    color: #888888;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
}
.footer-email a svg {
    color: #FF5500;
}
.footer-email a:hover {
    color: #ffffff;
}

.copyright {
    font-size: 11px;
    color: #444;
}

/* ==========================================================================
   ======================= ADVANCED RESPONSIVE MEDIA QUERIES =================
   ========================================================================== */

/* --- 1. 平板设备及小屏幕笔记本 (小于 1024px) --- */
@media (max-width: 1024px) {
    .hero-section {
        padding: 40px;
    }
    .main-title {
        font-size: 76px;
    }
    .features-section, .value-section, .newsletter-section {
        padding: 60px 40px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .main-footer {
        min-height: 650px; /* 中屏等比缩减高度 */
    }
}

/* --- 2. 大屏手机与小平板纵向 (小于 768px) --- */
@media (max-width: 768px) {
    .main-title {
        font-size: 60px;
    }
    .date-sub {
        font-size: 26px;
        letter-spacing: 4px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .btn {
        width: 100%;
        padding: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .value-container-box {
        flex-direction: column;
        min-height: auto;
    }
    .value-left {
        padding: 40px 30px;
        border-bottom: 1px solid #FF5500;
    }
    .value-left h2 {
        font-size: 38px;
    }
    .value-vertical-line {
        display: none;
    }
    .value-right {
        padding: 50px 30px;
        background-position: center center;
    }

    .newsletter-container {
        flex-direction: column;
        text-align: center;
        gap: 35px;
        padding-bottom: 40px;
    }
    .news-right {
        width: 100%;
    }
    .subscribe-form {
        flex-direction: column;
        gap: 12px;
    }
    .btn-submit {
        padding: 16px;
        width: 100%;
    }

    /* 移动端 7.png 降级处理：防止橱窗挤压干扰排版，平滑隐藏并采用纯净深色流 */
    .main-footer {
        background-image: none !important;
        background-color: #050505;
        min-height: auto;
        padding: 60px 20px;
    }
    .footer-overlay-content {
        max-width: 100%;
    }

    .social-hex-grid {
        gap: 30px;
        flex-wrap: wrap;
    }
}

/* --- 3. 常见智能手机屏 (小于 480px) --- */
@media (max-width: 480px) {
    .hero-section {
        padding: 30px 20px 60px 20px;
        background-position: 65% center;
    }
    
    .header-top {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .follow-us-top {
        text-align: center;
    }
    .social-icons-top {
        justify-content: center;
    }

    .hero-content {
        margin-top: 60px;
    }
    .main-title {
        font-size: 48px;
    }
    .date-sub {
        font-size: 22px;
    }

    .features-section {
        padding: 60px 20px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        padding: 40px 20px;
    }

    .value-section, .newsletter-section {
        padding: 40px 20px;
    }
    .value-left h2 {
        font-size: 32px;
    }
    .news-left h2 {
        font-size: 24px;
    }

    .social-hex-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 25px 15px;
        max-width: 280px;
        margin: 0 auto 30px auto;
    }

    .logo-large {
        font-size: 42px;
    }
    .logo-sub-large {
        font-size: 34px;
    }
}