/* style.css - 硬件与软件核心功能图文展示 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f8fafc;
    color: #0a1e2f;
    line-height: 1.5;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.accent-text { color: #0f5b8c; }

.badge {
    background: #0f5b8c;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
    letter-spacing: 0.3px;
}

/* 导航栏 */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid #e2e8f0;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: #0f5b8c;
    font-weight: 300;
    font-size: 1.2rem;
    margin-left: 8px;
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    color: #2c3e50;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: inherit;
}

.nav-links a:hover {
    color: #0f5b8c;
}

.btn-outline {
    border: 1px solid #0f5b8c;
    background: transparent;
    color: #0f5b8c;
    padding: 8px 20px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: default;
    transition: background 0.2s;
}

.btn-outline i {
    margin-right: 6px;
}

.btn-outline:hover {
    background: #eef4ff;
}

/* Hero 区域 */
.hero {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 48px 0 56px;
    flex-wrap: wrap;
}

.hero-left {
    flex: 1 1 300px;
}

.hero-left h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.subhead {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 24px;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 8px 16px;
    border-radius: 40px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    font-weight: 600;
}

.stat-item i {
    color: #0f5b8c;
    font-size: 1.3rem;
}

.hero-tag {
    background: #0f5b8c;
    color: white;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-right {
    flex: 1 1 300px;
    background: linear-gradient(145deg, #e6f0fa, #ffffff);
    border-radius: 60px 60px 30px 30px;
    padding: 20px;
    box-shadow: 0 20px 30px -10px rgba(0,60,100,0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 280px;
}

.simple-svg {
    max-width: 100%;
    height: auto;
}

/* 通用标题 */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 48px 0 16px;
    letter-spacing: -0.02em;
}

.section-sub {
    font-size: 1.1rem;
    color: #365b77;
    margin-bottom: 40px;
    max-width: 700px;
}

/* ===== 硬件核心展示（图文交替） ===== */
.hardware-showcase {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin: 40px 0 60px;
}

.hardware-block {
    display: flex;
    align-items: center;
    gap: 48px;
    background: white;
    border-radius: 48px;
    padding: 40px;
    box-shadow: 0 15px 30px -12px rgba(0,40,70,0.1);
    border: 1px solid #e9edf2;
    transition: transform 0.2s;
}

.hardware-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 35px -12px rgba(0,80,120,0.15);
}

.hardware-block:nth-child(even) {
    flex-direction: row-reverse;
}

.hardware-img-wrapper {
    flex: 0 0 200px;
    display: flex;
    justify-content: center;
}

.hardware-block-img {
    width: 100%;
    max-width: 200px;
    border-radius: 32px;
    box-shadow: 0 15px 25px -8px rgba(0,40,70,0.2);
}

.hardware-info {
    flex: 1;
}

.hardware-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #0f3b5c;
}

.hardware-desc {
    font-size: 1rem;
    color: #4a627a;
    margin-bottom: 20px;
    line-height: 1.6;
}

.hardware-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.hardware-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #1e3b5c;
}

.hardware-features i {
    color: #0f5b8c;
    font-size: 1.2rem;
}

/* ===== 软件核心展示（左图右文） ===== */
.software-showcase {
    display: flex;
    gap: 48px;
    background: #0f1e2f;
    color: white;
    border-radius: 48px;
    padding: 48px;
    margin: 40px 0 60px;
    background-image: radial-gradient(circle at 100% 0, #1e4b6e, #0a1a2c);
    align-items: center;
    flex-wrap: wrap;
}

.software-left {
    flex: 1 1 280px;
    display: flex;
    justify-content: center;
}

.software-image {
    max-width: 100%;
    width: 280px;
    border-radius: 24px;
    box-shadow: 0 20px 30px -5px rgba(0,0,0,0.5);
}

.software-right {
    flex: 2 1 400px;
}

.software-right h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: white;
}

.software-right h3 i {
    color: #6bc2ff;
    margin-right: 10px;
}

.software-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.software-feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.software-feature-item i {
    font-size: 2rem;
    color: #7ac4ff;
    min-width: 40px;
}

.software-feature-item div strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 4px;
    color: white;
}

.software-feature-item div span {
    color: #cbd5e0;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 技术规格卡片 */
.spec-grid {
    background: white;
    border-radius: 36px;
    padding: 36px;
    margin: 40px 0;
    border: 1px solid #cbddee;
}

.spec-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.spec-items div {
    padding: 10px;
    border-bottom: 1px dashed #b0c8dd;
}

.spec-items strong {
    color: #0f3b5c;
    display: block;
    margin-bottom: 5px;
}

/* 广告总结块 */
.tagline-block {
    text-align: center;
    background: white;
    border-radius: 70px;
    padding: 48px 32px;
    margin: 60px 0;
    box-shadow: 0 15px 30px rgba(0,55,100,0.1);
}

.tagline-block h3 {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -1px;
    max-width: 800px;
    margin: 0 auto 24px;
}

.big-quote {
    font-size: 1.4rem;
    color: #0f5b8c;
    font-weight: 500;
}

/* 页脚 */
footer {
    border-top: 1px solid #d0e0ec;
    padding: 32px 0;
    margin-top: 40px;
    text-align: center;
    color: #4e6e88;
}

/* 响应式 */
@media (max-width: 800px) {
    .hardware-block {
        flex-direction: column !important;
        padding: 30px;
        text-align: center;
    }
    .hardware-features {
        grid-template-columns: 1fr;
        text-align: left;
    }
    .software-showcase {
        flex-direction: column;
        text-align: center;
        padding: 32px;
    }
    .software-feature-item {
        text-align: left;
    }
    .hero-left h1 {
        font-size: 2.2rem;
    }
    .navbar {
        flex-direction: column;
        gap: 16px;
    }
    .nav-links {
        justify-content: center;
    }
}