/* ---------- Reset ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #fafafa;
    color: #1e1e1e;
    line-height: 1.7;
}

a {
    color: #e67e22;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.section-sub {
    text-align: center;
    color: #666;
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.05rem;
}

.btn {
    display: inline-block;
    background: #e67e22;
    color: #fff;
    padding: 14px 40px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #cf6d17;
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: #e67e22;
    border: 2px solid #e67e22;
}

.btn-outline:hover {
    background: #e67e22;
    color: #fff;
}

.badge {
    display: inline-block;
    background: #e67e22;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

/* ---------- Header ---------- */
header {
    background: #121418;
    color: #fff;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: #e67e22;
    font-size: 1.6rem;
    font-weight: 300;
    line-height: 1;
}

.logo span {
    color: #e67e22;
}

.nav-links {
    display: flex;
    gap: 28px;
    font-weight: 500;
    font-size: 0.95rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: #ddd;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #e67e22;
    text-decoration: none;
}

.nav-toggle {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
}

.btn-nav {
    background: #e67e22;
    color: #fff !important;
    padding: 8px 22px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.btn-nav:hover {
    background: #cf6d17;
    color: #fff !important;
    text-decoration: none !important;
}

/* ---------- Dropdown ---------- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown .dropbtn {
    color: #ddd;
    background: none;
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.dropdown .dropbtn:hover {
    color: #e67e22;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: #1a1d24;
    min-width: 180px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    border-radius: 8px;
    padding: 8px 0;
    top: 100%;
    left: 0;
}

.dropdown-content a {
    color: #ddd;
    padding: 10px 20px;
    display: block;
    font-size: 0.9rem;
}

.dropdown-content a:hover {
    background: #2a2d34;
    color: #e67e22;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* ---------- Hero New ---------- */
.hero-new {
    background: linear-gradient(145deg, #121418 0%, #1a1d24 100%);
    color: #fff;
    padding: 80px 0 60px;
    border-bottom: 3px solid #e67e22;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-left .hero-badge {
    display: inline-block;
    background: rgba(230, 126, 34, 0.15);
    color: #e67e22;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.hero-left h1 {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-left h1 span {
    color: #e67e22;
}

.hero-left p {
    font-size: 1.15rem;
    color: #b0b5bd;
    max-width: 520px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-left .btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---------- Hero Right (Image) ---------- */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-placeholder {
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #1e232b, #2a2f38);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.hero-image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(230, 126, 34, 0.08), transparent 70%);
    pointer-events: none;
}

.hero-image-content {
    text-align: center;
    color: #888;
    z-index: 1;
}

.hero-image-content .image-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.hero-image-content span {
    display: block;
    font-size: 1rem;
    color: #ccc;
}

/* ---------- Grid Overlay (微网格纹理) ---------- */
.hero-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ---------- Stats Banner ---------- */
.stats-banner {
    background: #0d0f12;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #e67e22;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: #eee;
    margin-top: 4px;
}

.stat-desc {
    font-size: 0.85rem;
    color: #888;
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.08);
}

/* ---------- Sections ---------- */
section {
    padding: 70px 0;
}

.bg-light {
    background: #f4f4f4;
}

/* ---------- About ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.about-text ul {
    list-style: none;
    margin-top: 16px;
}

.about-text ul li {
    padding: 8px 0;
    padding-left: 30px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="%23e67e22" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') left center no-repeat;
    background-size: 20px;
}

.about-image {
    background: #eaeaea;
    border-radius: 12px;
    overflow: hidden;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1.1rem;
}

/* ---------- Products ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 10px;
}

.product-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
    border: 1px solid #eee;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
}

.product-img {
    width: 100%;
    height: 200px;
    background: #eaeaea;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 0.95rem;
    flex-direction: column;
    gap: 6px;
}

.product-img .icon {
    font-size: 2.4rem;
}

.product-body {
    padding: 20px 24px 24px;
}

.product-body h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.product-body .specs {
    font-size: 0.92rem;
    color: #333;
    line-height: 1.9;
    margin: 10px 0;
}

.product-body .specs strong {
    color: #1a1a1a;
}

.product-body .desc {
    font-size: 0.92rem;
    color: #555;
    border-top: 1px dashed #ddd;
    padding-top: 12px;
    margin-top: 8px;
}

.product-body .packing {
    background: #f8f8f8;
    padding: 10px 14px;
    border-radius: 8px;
    margin-top: 12px;
    font-size: 0.88rem;
    color: #444;
}

.product-body .packing strong {
    color: #1a1a1a;
}

.product-body .action-link {
    display: inline-block;
    margin-top: 14px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info p {
    margin-bottom: 14px;
    font-size: 1.05rem;
}

.contact-info strong {
    color: #1a1a1a;
}

.contact-info .highlight {
    color: #e67e22;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    margin-bottom: 16px;
    font-family: inherit;
    transition: border 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #e67e22;
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
}

.contact-form button {
    background: #1a1a1a;
    color: #fff;
    border: none;
    padding: 14px 40px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.contact-form button:hover {
    background: #333;
}

.contact-form .note {
    font-size: 0.8rem;
    color: #888;
    margin-top: 10px;
}

/* ---------- Footer ---------- */
footer {
    background: #121418;
    color: #aaa;
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
    border-top: 2px solid #e67e22;
}

footer a {
    color: #e67e22;
}

footer .footer-links {
    margin-top: 8px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-left p {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-left .btn-group {
        justify-content: center;
    }

    .hero-image-placeholder {
        max-width: 100%;
        aspect-ratio: 4/3;
    }

    .stats-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .hero-left h1 {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #121418;
        padding: 18px 0;
        gap: 14px;
        text-align: center;
        border-top: 1px solid #333;
        margin-top: 12px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .dropdown-content {
        position: static;
        background: #1a1d24;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
        margin-top: 8px;
    }

    .dropdown-content a {
        padding: 8px 20px;
    }

    .btn-nav {
        display: inline-block;
        width: auto;
    }

    .hero-left h1 {
        font-size: 2.2rem;
    }

    .hero-new {
        padding: 60px 0 40px;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .hero-left .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .hero-left .btn-group .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .logo {
        font-size: 1.2rem;
    }

    .stats-container {
        gap: 16px;
    }

    .stat-number {
        font-size: 1.8rem;
    }
}

@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
    }
}

/* ---------- Hero Feature Badge ---------- */
.hero-feature-badge {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 40px;
    font-size: 0.85rem;
    color: #b0b5bd;
    backdrop-filter: blur(4px);
}

.badge-divider {
    color: rgba(255, 255, 255, 0.15);
}

.hero-feature-badge span:first-child {
    color: #e67e22;
    font-weight: 600;
}

/* ---------- Stats Banner (三列卡片) ---------- */
.stats-banner {
    background: #0d0f12;
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    text-align: center;
    align-items: stretch;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: border-color 0.3s;
}

.stat-card:hover {
    border-color: rgba(230, 126, 34, 0.25);
}

.stat-icon {
    font-size: 1.8rem;
    margin-bottom: 6px;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #e67e22;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: #eee;
    margin-top: 4px;
}

.stat-desc {
    font-size: 0.85rem;
    color: #888;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.06);
    align-self: stretch;
}

/* ---------- 响应式调整 ---------- */
@media (max-width: 992px) {
    .hero-feature-badge {
        justify-content: center;
        flex-wrap: wrap;
        text-align: center;
    }

    .stat-card {
        padding: 16px 12px;
    }
}

@media (max-width: 768px) {
    .stats-container {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-divider {
        display: none;
    }

    .stat-card {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px 12px;
        padding: 14px 16px;
    }

    .stat-icon {
        font-size: 1.4rem;
        margin-bottom: 0;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .stat-desc {
        font-size: 0.8rem;
        width: 100%;
        text-align: center;
    }

    .hero-feature-badge {
        font-size: 0.75rem;
        gap: 8px;
        padding: 8px 14px;
        width: 100%;
        justify-content: center;
    }

    .hero-image-placeholder {
        aspect-ratio: 4/3;
        min-height: 200px;
    }
}