/* stellaview - Midnight Dark Mode */
:root {
    --primary-orange: #ff6b00;
    --secondary-orange: #f97316;
    --dark-navy: #0f172a;
    --bg-deep: #0a0a0a;
    --bg-card: #161616;
    --white: #ffffff;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
}

.orange-text {
    color: var(--primary-orange);
    font-weight: 800;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-deep);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页头导航样式 */
.header {
    background: #000000;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-orange);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1.2rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-logo .company-names h1 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
}

.nav-logo .company-names h2 {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-orange);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 28px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 英雄区域样式 */
.hero-section {
    min-height: 90vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, #000000 0%, #260f00 40%, #803300 80%, var(--primary-orange) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 5.5rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 2rem;
    line-height: 0.95;
    letter-spacing: -2px;
}

.company-intro p {
    font-size: 1.5rem;
    color: var(--text-muted);
    line-height: 1.5;
    max-width: 600px;
}

.hero-portal-img {
    width: 100%;
    height: auto;
    border-radius: 40px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

/* 产品特色区域 */
.products-section {
    padding: 10rem 0;
    background: var(--bg-deep);
}

.section-header {
    text-align: left;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -1px;
}

.section-divider {
    width: 100px;
    height: 6px;
    background: var(--primary-orange);
    margin-top: 1.5rem;
    border-radius: 3px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
}

.product-card {
    position: relative;
    padding: 3.5rem 2.5rem;
    background: linear-gradient(to bottom, var(--bg-card) 0%, var(--primary-orange) 100%);
    border-radius: 40px;
    border: 1px solid var(--border-color);
    transition: all 0.8s cubic-bezier(0.2, 1, 0.3, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 2rem;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    transition: all 0.5s ease;
}

.product-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.product-card p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.product-card::after {
    content: '0' attr(data-index);
    position: absolute;
    bottom: -10px;
    right: 10px;
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    pointer-events: none;
}

/* 联系我们区域 */
.contact-section {
    padding: 10rem 0;
    background: #000;
    color: var(--white);
}

.contact-info {
    max-width: 600px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 32px;
    border: 1px solid var(--border-color);
}

.contact-icon img {
    width: 50px;
    height: 50px;
    filter: brightness(0) invert(1);
}

/* 页脚样式 */
.footer {
    background: var(--bg-deep);
    padding: 6rem 0 3rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 2rem;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section p, .footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    display: block;
}

.footer-section a:hover {
    color: var(--primary-orange);
}

.footer-bottom {
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 4rem; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text { display: flex; flex-direction: column; align-items: center; }
    .hero-portal-img { max-width: 500px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: #000000;
        width: 100%;
        padding: 4rem 20px;
        height: calc(100vh - 80px);
        transition: 0.4s;
        text-align: center;
        gap: 2rem;
        border-top: 2px solid var(--primary-orange);
    }
    .nav-menu.active { left: 0; }
    .nav-toggle { display: flex; }
}

html {
    scroll-behavior: smooth;
}