/* ========================================
    上海芮浦新材料有限公司 - 企业网站样式
    主色调: #1a56db (专业蓝) / #f59e0b (暖金)
    排版风格: 非对称杂志风
    ======================================== */

:root {
    --primary: #1a56db;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a5f;
    --primary-bg: #eff6ff;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark-bg: #1e293b;
    --dark-light: #334155;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --bg-gray: #f1f5f9;
    --white: #fff;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-family);
    color: var(--text-dark);
    background: var(--white);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: all 0.3s ease; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 767px) { .container { padding: 0 20px; } }

/* ===== ╰┈➤ Navigation (极简透明覆盖) ===== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 20px 40px;
    display: flex; align-items: center; justify-content: space-between;
    transition: all 0.4s ease;
    background: transparent;
}
.site-header.scrolled {
    background: rgba(30,41,59,0.97);
    backdrop-filter: blur(10px);
    padding: 12px 40px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}
.site-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 1; min-width: 0; }
.site-logo img { height: 42px; width: auto; filter: brightness(0) invert(1); }
.site-logo span {
    font-size: 20px; font-weight: 700; color: var(--white);
    letter-spacing: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.site-nav { display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
.site-nav a {
    color: rgba(255,255,255,0.85); font-size: 14px; font-weight: 500;
    letter-spacing: 0.5px; position: relative; padding: 4px 0;
    text-transform: uppercase;
}
.site-nav a::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 2px; background: var(--accent);
    transition: width 0.3s ease;
}
.site-nav a:hover, .site-nav a.active { color: var(--white); }
.site-nav a:hover::after, .site-nav a.active::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; cursor: pointer; gap: 5px; padding: 5px; z-index: 1001; }
.nav-toggle span { display: block; width: 28px; height: 2px; background: var(--white); transition: all 0.3s ease; border-radius: 2px; }
.nav-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    z-index: 999; opacity: 0; transition: opacity 0.4s ease;
}
.nav-overlay.active { display: block; opacity: 1; }

@media (max-width: 991px) {
    .site-header { padding: 16px 20px; }
    .site-header.scrolled { padding: 10px 20px; }
    .site-logo img { height: 36px; }
    .site-logo span { font-size: 16px; max-width: 160px; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--dark-bg); flex-direction: column; padding: 80px 30px 30px;
        gap: 20px; transition: right 0.4s ease; align-items: flex-start;
        z-index: 1000; overflow-y: auto;
    }
    .site-nav.open { right: 0; }
    .site-nav a { font-size: 16px; }
}

/* ===== ╰┈➤ ① Hero Section - Banner轮播 ===== */
.hero-section {
    position: relative; width: 100%; height: 100vh; min-height: 600px; max-height: 900px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, var(--primary) 50%, #1e3a5f 100%);
    background-size: cover; background-position: center;
    overflow: hidden;
}

/* ===== Hero Carousel ===== */
.hero-carousel { display: block; }
.hero-slides {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
}
.hero-slide {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease, transform 0.8s ease;
    transform: scale(1.05);
}
.hero-slide.active {
    opacity: 1; visibility: visible;
    transform: scale(1);
    z-index: 1;
}
.hero-slide-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.65) 0%, rgba(26,86,219,0.4) 50%, rgba(30,58,95,0.65) 100%);
    z-index: 1;
}
.hero-slide.active .hero-content {
    animation: heroFadeInUp 0.8s ease forwards;
}
@keyframes heroFadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero内容区 */
.hero-content { position: relative; z-index: 2; text-align: center; color: var(--white); max-width: 800px; padding: 0 20px; }
.hero-content .hero-badge {
    display: inline-block; background: rgba(212,168,67,0.2); color: var(--accent-light);
    padding: 8px 24px; border-radius: 30px; font-size: 13px; font-weight: 600;
    letter-spacing: 3px; text-transform: uppercase; margin-bottom: 24px;
    border: 1px solid rgba(212,168,67,0.3);
}
.hero-content h1 {
    font-size: clamp(36px, 5vw, 64px); font-weight: 800; margin: 0 0 20px;
    line-height: 1.15; letter-spacing: -1px;
}
.hero-content p { font-size: clamp(16px, 1.8vw, 20px); opacity: 0.85; margin: 0 0 36px; line-height: 1.7; }
/* 轮播指示器（圆点） */
.hero-dots {
    position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
    z-index: 10; display: flex; gap: 12px;
}
.hero-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: rgba(255,255,255,0.4); cursor: pointer;
    transition: all 0.3s ease; border: 2px solid transparent;
}
.hero-dot:hover { background: rgba(255,255,255,0.7); }
.hero-dot.active {
    background: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 12px rgba(245,158,11,0.5);
}

/* 左右箭头 */
.hero-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 10; width: 56px; height: 56px; border-radius: 50%;
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
    color: var(--white); font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s ease; backdrop-filter: blur(4px);
}
.hero-arrow:hover {
    background: var(--accent); border-color: var(--accent);
    color: var(--text-dark); transform: translateY(-50%) scale(1.1);
}
.hero-arrow-prev { left: 30px; }
.hero-arrow-next { right: 30px; }
@media (max-width: 767px) {
    .hero-arrow { width: 40px; height: 40px; font-size: 16px; }
    .hero-arrow-prev { left: 12px; }
    .hero-arrow-next { right: 12px; }
    .hero-dots { bottom: 100px; }
}

.hero-btn {
    display: inline-block; background: var(--accent); color: var(--text-dark);
    padding: 16px 48px; border-radius: 50px; font-size: 15px; font-weight: 600;
    letter-spacing: 0.5px; transition: all 0.3s ease; border: none; cursor: pointer;
}
.hero-btn:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(212,168,67,0.3); color: var(--text-dark); }

/* Hero Stats Bar */
.hero-stats {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(255,255,255,0.08); backdrop-filter: blur(10px);
    padding: 30px 0;
    z-index: 5;
}
.hero-stats .container { display: flex; justify-content: space-around; }
.hero-stat { text-align: center; color: var(--white); }
.hero-stat .num { font-size: 36px; font-weight: 800; display: block; line-height: 1.2; }
.hero-stat .label { font-size: 13px; opacity: 0.7; text-transform: uppercase; letter-spacing: 1px; }

@media (max-width: 767px) {
    .hero-section { height: 90vh; min-height: 500px; }
    .hero-content h1 { font-size: 32px; }
    .hero-stats { padding: 20px 0; }
    .hero-stat .num { font-size: 24px; }
    .hero-stat .label { font-size: 11px; }
    .hero-btn { padding: 14px 32px; font-size: 14px; }
}

@media (max-width: 480px) {
    .hero-section { height: 85vh; min-height: 460px; }
    .hero-content h1 { font-size: 26px; }
    .hero-content p { font-size: 14px; }
    .hero-stats .container { flex-wrap: wrap; gap: 16px; justify-content: center; }
    .hero-stat { min-width: 80px; }
    .hero-stat .num { font-size: 20px; }
    .hero-btn { padding: 12px 24px; font-size: 13px; }
}

/* ===== ╰┈➤ ② 核心业务 (3大卡片, 中间突出) ===== */
.services-section { padding: 120px 0; background: var(--white); }
.services-grid {
    display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 24px;
    margin-top: 60px;
}
.service-card {
    padding: 50px 36px; border-radius: 20px; transition: all 0.4s ease;
    background: var(--bg-gray); border: 1px solid transparent;
    position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--primary); transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(13,124,107,0.1); border-color: var(--border-color); }
.service-card.featured {
    background: var(--primary); color: var(--white); transform: scale(1.05);
}
.service-card.featured:hover { transform: scale(1.05) translateY(-6px); box-shadow: 0 20px 50px rgba(13,124,107,0.25); }
.service-card.featured::before { background: var(--accent); }
.service-card .icon { font-size: 40px; margin-bottom: 20px; display: block; }
.service-card.featured .icon { color: var(--accent-light); }
.service-card h3 { font-size: 20px; font-weight: 700; margin: 0 0 12px; }
.service-card p { font-size: 14px; opacity: 0.8; line-height: 1.7; margin: 0 0 20px; }
.service-card .link {
    font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
    color: var(--primary); text-transform: uppercase; letter-spacing: 1px;
}
.service-card.featured .link { color: var(--accent-light); }
.service-card .link i { transition: transform 0.3s ease; }
.service-card:hover .link i { transform: translateX(4px); }

@media (max-width: 991px) {
    .services-grid { grid-template-columns: 1fr; gap: 20px; }
    .service-card.featured { transform: none; }
    .service-card.featured:hover { transform: translateY(-6px); }
}

/* ===== ╰┈➤ ③ 精选产品 (横向滚动) ===== */
.products-section { padding: 120px 0; background: var(--bg-gray); }
.section-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 50px;
}
.section-header .left { max-width: 600px; }
.section-header .sub {
    font-size: 13px; color: var(--primary); text-transform: uppercase;
    letter-spacing: 3px; font-weight: 600; margin-bottom: 8px; display: block;
}
.section-header h2 { font-size: 38px; font-weight: 800; margin: 0 0 12px; line-height: 1.2; letter-spacing: -0.5px; }
.section-header p { color: var(--text-gray); margin: 0; font-size: 16px; }
.section-header .nav-arrows { display: flex; gap: 12px; }
.section-header .nav-arrows button {
    width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--border-color);
    background: var(--white); cursor: pointer; font-size: 18px; color: var(--text-dark);
    transition: all 0.3s ease; display: flex; align-items: center; justify-content: center;
}
.section-header .nav-arrows button:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

.product-scroll {
    display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; padding-bottom: 20px;
    scrollbar-width: none;
}
.product-scroll::-webkit-scrollbar { display: none; }
.product-scroll .p-card {
    min-width: 320px; scroll-snap-align: start; background: var(--white);
    border-radius: 16px; overflow: hidden; border: 1px solid var(--border-color);
    transition: all 0.3s ease; flex-shrink: 0;
}
.product-scroll .p-card:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.product-scroll .p-card .img-wrap {
    height: 240px; overflow: hidden; background: var(--primary-bg);
    display: flex; align-items: center; justify-content: center;
}
.product-scroll .p-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-scroll .p-card:hover .img-wrap img { transform: scale(1.08); }
.product-scroll .p-card .body { padding: 24px; }
.product-scroll .p-card .body h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.product-scroll .p-card .body p { font-size: 14px; color: var(--text-gray); margin: 0; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

@media (max-width: 767px) {
    .section-header { flex-direction: column; align-items: flex-start; gap: 20px; }
    .section-header h2 { font-size: 28px; }
    .product-scroll .p-card { min-width: 260px; }
}

@media (max-width: 480px) {
    .services-section { padding: 80px 0; }
    .service-card { padding: 32px 24px; }
    .service-card h3 { font-size: 18px; }
    .products-section { padding: 80px 0; }
    .section-header h2 { font-size: 24px; }
    .product-scroll .p-card { min-width: 85vw; }
    .product-scroll .p-card .img-wrap { height: 180px; }
}

/* ===== ╰┈➤ ④ 关于我们 (杂志拼贴风格) ===== */
.about-section { padding: 120px 0; background: var(--white); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text .badge {
    display: inline-block; background: var(--primary-bg); color: var(--primary);
    padding: 6px 18px; border-radius: 20px; font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.about-text .quote {
    font-size: 28px; font-weight: 700; line-height: 1.4; margin: 0 0 24px;
    color: var(--text-dark);
}
.about-text .quote mark { background: none; color: var(--primary); }
.about-text .desc { color: var(--text-gray); line-height: 1.8; margin: 0 0 28px; }
.about-text .btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 36px; border: 2px solid var(--primary); color: var(--primary);
    border-radius: 50px; font-weight: 600; font-size: 14px; transition: all 0.3s ease;
}
.about-text .btn-outline:hover { background: var(--primary); color: var(--white); }

.about-visual { position: relative; }
.about-visual .main-img {
    width: 100%; height: 450px; object-fit: cover; border-radius: 20px;
    box-shadow: 0 20px 50px rgba(13,124,107,0.15);
}
.about-visual .floating-img {
    position: absolute; bottom: -30px; right: -30px;
    width: 200px; height: 200px; object-fit: cover; border-radius: 16px;
    border: 4px solid var(--white); box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

@media (max-width: 991px) {
    .about-layout { grid-template-columns: 1fr; gap: 40px; }
    .about-visual .floating-img { width: 140px; height: 140px; right: -10px; bottom: -20px; }
}

@media (max-width: 767px) {
    .about-section { padding: 80px 0; }
    .about-text .quote { font-size: 22px; }
    .about-visual .main-img { height: 300px; }
    .about-visual .floating-img { width: 100px; height: 100px; right: 10px; bottom: -15px; }
}

/* ===== ╰┈➤ ⑤ 最新动态 (时间线) ===== */
.news-section { padding: 120px 0; background: var(--bg-gray); }
.timeline { position: relative; max-width: 900px; margin: 60px auto 0; padding: 0; }
.timeline::before {
    content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
    width: 2px; background: var(--border-color); transform: translateX(-50%);
}
.timeline-item {
    display: flex; justify-content: flex-end; padding: 30px 0; position: relative;
    width: 50%;
}
.timeline-item:nth-child(odd) { align-self: flex-end; justify-content: flex-start; margin-left: 50%; }
.timeline-item .dot {
    position: absolute; width: 16px; height: 16px; background: var(--primary);
    border-radius: 50%; top: 36px; z-index: 2;
    border: 3px solid var(--white); box-shadow: 0 0 0 2px var(--primary);
}
.timeline-item:nth-child(odd) .dot { left: -8px; }
.timeline-item:nth-child(even) .dot { right: -8px; }
.timeline-item .card {
    background: var(--white); padding: 24px; border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.04); width: calc(100% - 40px);
    border: 1px solid var(--border-color); transition: all 0.3s ease;
}
.timeline-item .card:hover { box-shadow: 0 8px 30px rgba(13,124,107,0.08); border-color: var(--primary-light); }
.timeline-item .card .date { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 6px; }
.timeline-item .card h4 { font-size: 16px; font-weight: 700; margin: 0 0 8px; }
.timeline-item .card h4 a { color: var(--text-dark); }
.timeline-item .card h4 a:hover { color: var(--primary); }
.timeline-item .card p { font-size: 14px; color: var(--text-gray); margin: 0; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

@media (max-width: 767px) {
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(odd) { width: 100%; margin-left: 0; justify-content: flex-end; padding-left: 50px; }
    .timeline-item:nth-child(odd) .dot, .timeline-item:nth-child(even) .dot { left: 12px; right: auto; }
    .timeline-item .card { width: 100%; }
}

/* ===== ╰┈➤ ⑥ 合作伙伴 Logo条 ===== */
.partners-section { padding: 80px 0; background: var(--white); }
.partners-scroll {
    display: flex; gap: 60px; align-items: center; overflow-x: auto;
    -webkit-overflow-scrolling: touch; scrollbar-width: none; margin-top: 40px;
    padding: 20px 0;
}
.partners-scroll::-webkit-scrollbar { display: none; }
.partners-scroll .partner {
    flex-shrink: 0; height: 50px; opacity: 0.4; transition: all 0.3s ease;
    filter: grayscale(100%);
}
.partners-scroll .partner:hover { opacity: 0.8; filter: grayscale(0%); }

/* ===== ╰┈➤ ⑦ Footer (极简) ===== */
.site-footer {
    background: var(--dark-bg); color: rgba(255,255,255,0.7); padding: 80px 0 30px;
}
.site-footer .grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; }
.site-footer .brand .logo-text { font-size: 20px; font-weight: 700; color: var(--white); display: block; margin-bottom: 12px; }
.site-footer .brand p { font-size: 14px; line-height: 1.7; margin: 0; }
.site-footer h4 { color: var(--white); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin: 0 0 20px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 10px; display: flex; align-items: flex-start; gap: 6px; }
.site-footer ul li i { margin-top: 3px; flex-shrink: 0; }
.site-footer ul a { color: rgba(255,255,255,0.6); font-size: 14px; transition: color 0.3s ease; }
.site-footer ul a:hover { color: var(--accent-light); }
.site-footer ul li span { color: rgba(255,255,255,0.6); font-size: 14px; line-height: 1.6; }
.site-footer .social { display: flex; gap: 12px; margin-top: 20px; }
.site-footer .social a {
    width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6);
    font-size: 16px; transition: all 0.3s ease;
}
.site-footer .social a:hover { background: var(--accent); color: var(--text-dark); border-color: var(--accent); }
.site-footer .bottom {
    margin-top: 50px; padding: 24px 0 10px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center; font-size: 13px;
}
.site-footer .bottom p { margin: 0 0 6px; }

@media (max-width: 991px) {
    .site-footer .grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 767px) {
    .site-footer .grid { grid-template-columns: 1fr; gap: 30px; }
    .site-footer { padding: 60px 0 20px; }
}
@media (max-width: 480px) {
    .site-footer .social a { width: 36px; height: 36px; font-size: 14px; }
    .site-footer .bottom { font-size: 12px; }
}

/* ===== ╰┈➤ 内页通用 ===== */
.page-hero {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, #0f172a 0%, var(--primary) 50%, #1e3a5f 100%);
    background-size: cover; background-position: center;
    text-align: center; color: var(--white); position: relative;
}
.page-hero.has-bg::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.7) 0%, rgba(26,86,219,0.5) 50%, rgba(30,58,95,0.7) 100%);
    z-index: 0;
}
.page-hero.has-bg .container { position: relative; z-index: 1; }
.page-hero::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--accent); z-index: 2;
}
.page-hero h1 { font-size: 38px; font-weight: 800; margin: 0 0 12px; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.page-hero .breadcrumb {
    font-size: 14px; opacity: 1; margin: 0; padding: 0;
    background: transparent; display: inline-flex; gap: 6px;
    color: rgba(255,255,255,0.9);
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
    flex-wrap: wrap;
    word-break: break-all;
}
.page-hero .breadcrumb a {
    color: rgba(255,255,255,0.8); font-weight: 500;
    padding: 2px 8px; border-radius: 4px;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}
.page-hero .breadcrumb a:hover {
    color: var(--white); background: rgba(255,255,255,0.2);
    text-decoration: none;
}
.page-hero .breadcrumb > span,
.page-hero .breadcrumb > .active {
    color: var(--accent-light); font-weight: 500;
}

/* ===== 面包屑导航栏（在Banner下方） ===== */
.breadcrumb-bar {
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}
.breadcrumb-bar .breadcrumb {
    font-size: 13px; margin: 0; padding: 0;
    background: transparent; display: flex; gap: 6px;
    color: var(--text-gray);
}
.breadcrumb-bar .breadcrumb a {
    color: var(--text-gray);
    transition: color 0.3s ease;
}
.breadcrumb-bar .breadcrumb a:hover {
    color: var(--primary);
    text-decoration: none;
}
.breadcrumb-bar .breadcrumb > span,
.breadcrumb-bar .breadcrumb > .active {
    color: var(--primary);
    font-weight: 500;
}

@media (max-width: 767px) {
    .page-hero { padding: 140px 0 60px; }
    .page-hero h1 { font-size: 26px; }
    .page-hero .breadcrumb { font-size: 12px; }
    .breadcrumb-bar .breadcrumb { font-size: 12px; flex-wrap: wrap; word-break: break-all; }
    .breadcrumb-bar { padding: 10px 0; }
}

@media (max-width: 480px) {
    .page-hero { padding: 120px 0 50px; }
    .page-hero h1 { font-size: 22px; }
}

.page-content { padding: 80px 0; }
.page-sidebar { padding: 80px 0; }

@media (max-width: 767px) {
    .page-content { padding: 50px 0; }
    .page-sidebar { padding: 50px 0; }
}

/* ===== ╰┈➤ 产品列表页（仿Lunacide风格） ===== */
.product-page-content { padding: 60px 0; }

/* 分类导航按钮 */
.pro-category-btns {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-bottom: 50px; justify-content: flex-start;
}
.pro-cat-btn {
    display: inline-block;
    padding: 10px 28px;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-size: 14px; font-weight: 600;
    color: var(--text-gray);
    background: var(--white);
    transition: all 0.3s ease;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.pro-cat-btn:hover,
.pro-cat-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26,86,219,0.25);
}

/* 产品分组 */
.pro-group {
    margin-bottom: 60px;
}
.pro-group:last-child {
    margin-bottom: 0;
}
.pro-group-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}
.pro-group-header::after {
    content: '';
    position: absolute; bottom: -2px; left: 0;
    width: 80px; height: 2px;
    background: var(--primary);
}
.pro-group-header h3 {
    font-size: 22px; font-weight: 700;
    margin: 0; color: var(--text-dark);
}
.pro-group-more {
    font-size: 13px; font-weight: 600;
    color: var(--primary);
    display: inline-flex; align-items: center; gap: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase; letter-spacing: 1px;
}
.pro-group-more:hover {
    color: var(--primary-light);
    gap: 10px;
}

/* 产品网格 - 使用flex确保左对齐 */
.pro-grid {
    list-style: none; padding: 0; margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.pro-grid li {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    width: calc(25% - 18px);
    flex-shrink: 0;
}
.pro-grid li:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(26,86,219,0.10);
    border-color: var(--primary-light);
}
.pro-grid li a {
    text-decoration: none; color: inherit; display: block;
}
.pro-img {
    width: 100%; height: 220px;
    overflow: hidden; background: var(--bg-gray);
    display: flex; align-items: center; justify-content: center;
}
.pro-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}
.pro-grid li:hover .pro-img img {
    transform: scale(1.08);
}
.pro-img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 60px; color: var(--text-light);
}
.pro-word {
    padding: 18px 16px 20px;
    text-align: left;
}
.pro-word h5 {
    font-size: 15px; font-weight: 700;
    margin: 0; color: var(--text-dark);
    text-align: left;
    line-height: 1.4;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pro-grid li:hover .pro-word h5 {
    color: var(--primary);
}

/* 空状态 */
.pro-empty {
    text-align: center; padding: 100px 0;
    color: var(--text-gray); font-size: 16px;
}

/* ===== 新闻列表（仿Lunacide风格） ===== */
.news-list-luna {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 24px;
}
.news-list-luna li {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.35s ease;
}
.news-list-luna li:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(26,86,219,0.10);
    border-color: var(--primary-light);
}
.news-list-luna li a {
    display: flex; text-decoration: none; color: inherit;
}
.news-img-luna {
    width: 280px; min-height: 200px; flex-shrink: 0;
    overflow: hidden; background: var(--bg-gray);
    display: flex; align-items: center; justify-content: center;
}
.news-img-luna img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}
.news-list-luna li:hover .news-img-luna img {
    transform: scale(1.06);
}
.news-img-placeholder {
    font-size: 50px; color: var(--text-light);
}
.news-text-luna {
    flex: 1; display: flex; padding: 24px 28px;
    gap: 24px;
}
.news-date-luna {
    text-align: center; flex-shrink: 0;
    width: 70px; padding-top: 4px;
}
.news-date-luna h3 {
    font-size: 32px; font-weight: 800;
    margin: 0; line-height: 1.1;
    color: var(--primary);
}
.news-date-luna h5 {
    font-size: 13px; font-weight: 600;
    margin: 4px 0 0; color: var(--text-light);
    letter-spacing: 0.5px;
}
.news-info-luna {
    flex: 1; display: flex; flex-direction: column;
    justify-content: center; gap: 8px;
}
.news-title-luna {
    font-size: 17px; font-weight: 700;
    color: var(--text-dark); line-height: 1.5;
    transition: color 0.3s ease;
}
.news-list-luna li:hover .news-title-luna {
    color: var(--primary);
}
.news-desc-luna {
    font-size: 14px; color: var(--text-gray);
    line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.news-more-luna {
    font-size: 13px; font-weight: 600;
    color: var(--primary); letter-spacing: 1px;
}
.elli {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

@media (max-width: 767px) {
    .news-list-luna li a { flex-direction: column; }
    .news-img-luna { width: 100%; height: 200px; }
    .news-text-luna { flex-direction: column; padding: 16px 18px; gap: 12px; }
    .news-date-luna { display: flex; gap: 8px; align-items: baseline; width: auto; }
    .news-date-luna h3 { font-size: 24px; }
    .news-date-luna h5 { margin: 0; }
}

@media (max-width: 480px) {
    .news-title-luna { font-size: 15px; }
    .news-desc-luna { font-size: 13px; }
}

/* 响应式 */
@media (max-width: 1199px) {
    .pro-grid li { width: calc(25% - 18px); }
}
@media (max-width: 991px) {
    .pro-grid li { width: calc(33.333% - 16px); }
}
@media (max-width: 767px) {
    .pro-grid { gap: 15px; }
    .pro-grid li { width: calc(50% - 8px); }
    .pro-img { height: 160px; }
    .pro-word { padding: 12px 10px 14px; }
    .pro-word h5 { font-size: 13px; }
    .pro-category-btns { gap: 8px; margin-bottom: 30px; }
    .pro-cat-btn { padding: 8px 18px; font-size: 13px; }
    .pro-group-header h3 { font-size: 18px; }
}
@media (max-width: 480px) {
    .pro-grid li { width: 100%; }
    .pro-img { height: 200px; }
    .pro-cat-btn { padding: 7px 14px; font-size: 12px; }
}

/* 产品/案例网格 - 2列 */
.product-grid,
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

@media (max-width: 767px) {
    .product-grid,
    .case-grid { grid-template-columns: 1fr; }
}

/* 产品卡片增强样式 */
.product-card,
.case-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}
.product-card::before,
.case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}
.product-card:hover::before,
.case-card:hover::before {
    transform: scaleX(1);
}
.product-card:hover,
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(26,86,219,0.12);
    border-color: var(--primary-light);
}
.product-card .card-image,
.case-card .card-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}
.product-card .card-image img,
.case-card .card-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-card:hover .card-image img,
.case-card:hover .card-image img {
    transform: scale(1.08);
}
.product-card .card-body,
.case-card .card-body {
    padding: 22px 24px 24px;
}
.product-card .card-body h3,
.case-card .card-body h3 {
    font-size: 17px; font-weight: 700; margin: 0 0 8px;
    color: var(--text-dark);
    transition: color 0.3s ease;
    line-height: 1.4;
}
.product-card:hover .card-body h3,
.case-card:hover .card-body h3 {
    color: var(--primary);
}
.product-card .card-body p,
.case-card .card-body p {
    font-size: 14px; color: var(--text-gray); margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sidebar-widget { background: var(--bg-gray); border-radius: 12px; padding: 28px; margin-bottom: 24px; }
.sidebar-widget h4 { font-size: 16px; font-weight: 700; margin: 0 0 16px; color: var(--text-dark); border-left: 3px solid var(--accent); padding-left: 12px; }
.sidebar-widget ul { list-style: none; padding: 0; margin: 0; }
.sidebar-widget ul li { border-bottom: 1px solid var(--border-color); }
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-widget ul a { display: block; padding: 10px 0; color: var(--text-gray); font-size: 14px; }
.sidebar-widget ul a:hover, .sidebar-widget ul li.active a { color: var(--primary); padding-left: 8px; }

/* ===== ╰┈➤ 联系页 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-list { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .ci-icon {
    width: 50px; height: 50px; border-radius: 12px; background: var(--primary-bg);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 20px; flex-shrink: 0;
}
.contact-item h4 { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.contact-item p { font-size: 14px; color: var(--text-gray); margin: 0; }

@media (max-width: 991px) {
    .contact-grid { gap: 40px; }
}
@media (max-width: 767px) {
    .contact-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact-item .ci-icon { width: 42px; height: 42px; font-size: 18px; }
}

/* ===== ╰┈➤ 分页 ===== */
.pagination-wrap { margin-top: 60px; display: flex; justify-content: center; }
.pagination-wrap .pagination { list-style: none; padding: 0; margin: 0; display: flex; gap: 6px; }
.pagination-wrap .pagination li a, .pagination-wrap .pagination li span {
    display: flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border-color);
    color: var(--text-gray); font-size: 14px; transition: all 0.3s ease;
}
.pagination-wrap .pagination li.active a, .pagination-wrap .pagination li.active span,
.pagination-wrap .pagination li a:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

@media (max-width: 767px) {
    .pagination-wrap { margin-top: 40px; }
    .pagination-wrap .pagination li a, .pagination-wrap .pagination li span {
        width: 36px; height: 36px; font-size: 13px;
    }
}

/* ===== ╰┈➤ 产品详情页（仿Lunacide风格） ===== */
.product-detail-content { padding: 60px 0; }

/* 同类产品导航按钮 */
.detail-sibling-nav {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-bottom: 40px; justify-content: center;
}
.detail-sib-btn {
    display: inline-block;
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-size: 13px; font-weight: 600;
    color: var(--text-gray);
    background: var(--white);
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}
.detail-sib-btn:hover,
.detail-sib-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26,86,219,0.25);
}

/* 详情内容区 */
.detail-content {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 40px;
    margin-bottom: 30px;
}

/* 产品主图 */
.detail-main-img {
    text-align: center;
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-gray);
}
.detail-main-img img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}
.detail-img-placeholder {
    padding: 100px 0;
    font-size: 80px;
    color: var(--text-light);
    text-align: center;
}
.detail-img-slider {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.detail-img-item {
    display: none;
}
.detail-img-item.active {
    display: block;
}
.detail-img-item img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
}

/* 产品标题 */
.detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}
.detail-header h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 16px;
    color: var(--text-dark);
    line-height: 1.3;
}
.detail-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
    max-width: 800px;
    margin: 0 auto;
}

/* 产品参数 */
.detail-params {
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-gray);
    border-radius: 12px;
}
.detail-params h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--primary);
    padding-left: 14px;
    border-left: 3px solid var(--accent);
}
.detail-params .params-content {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 2;
    white-space: pre-line;
}

/* 产品详情正文 */
.detail-body {
    margin-bottom: 30px;
}
.detail-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--text-dark);
    padding-left: 14px;
    border-left: 3px solid var(--accent);
}
.detail-body > div {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 2;
}
.detail-body > div img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}

/* 上一篇/下一篇 */
.detail-prev-next {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
}
.detail-prev-next a {
    color: var(--text-gray);
    transition: color 0.3s ease;
}
.detail-prev-next a:hover {
    color: var(--primary);
}
.detail-prev-next .disabled {
    color: #ccc;
}

/* 响应式 */
@media (max-width: 767px) {
    .product-detail-content { padding: 30px 0; }
    .detail-content { padding: 20px; }
    .detail-header h2 { font-size: 22px; }
    .detail-sibling-nav { gap: 8px; margin-bottom: 24px; }
    .detail-sib-btn { padding: 8px 16px; font-size: 12px; }
    .detail-params { padding: 20px; }
    .detail-prev-next { flex-direction: column; gap: 10px; text-align: center; }
    .detail-prev-next .prev, .detail-prev-next .next { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .detail-img-item img { max-height: 300px; }
}

@media (max-width: 480px) {
    .detail-content { padding: 16px; }
    .detail-header h2 { font-size: 19px; }
    .detail-params { padding: 16px; font-size: 13px; }
    .detail-body > div { font-size: 14px; }
}

/* ===== ╰┈➤ 公司简介页（与产品展示同风格） ===== */
.about-page-content { padding: 60px 0; }
.about-content-card {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 50px;
    min-height: 400px;
}
.about-content-body {
    color: var(--text-gray);
    line-height: 2;
    font-size: 15px;
}
.about-content-body h1,
.about-content-body h2,
.about-content-body h3 {
    color: var(--text-dark);
    font-weight: 700;
    margin: 0 0 20px;
}
.about-content-body h1 { font-size: 26px; }
.about-content-body h2 { font-size: 22px; }
.about-content-body h3 { font-size: 18px; }
.about-content-body p {
    margin: 0 0 16px;
    line-height: 2;
}
.about-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}
.about-content-body ul,
.about-content-body ol {
    padding-left: 20px;
    margin: 0 0 16px;
}
.about-content-body li {
    margin-bottom: 8px;
}

@media (max-width: 767px) {
    .about-page-content { padding: 30px 0; }
    .about-content-card { padding: 24px; }
    .about-content-body { font-size: 14px; }
}

/* ===== ╰┈➤ 动画 ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* ===== ╰┈➤ 案例详情页响应式 ===== */
.case-detail-content { padding: 60px 0; }
.case-detail-card {
    background: var(--white); border-radius: 16px; border: 1px solid var(--border-color);
    padding: 40px; margin: 0 auto; max-width: 900px;
}
.case-detail-card h1 { font-size: 26px; font-weight: 700; margin: 0 0 16px; text-align: center; }
.case-detail-meta {
    text-align: center; font-size: 13px; color: var(--text-light);
    margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color);
}
.case-detail-body { color: var(--text-gray); line-height: 2; font-size: 15px; }
.case-detail-body img { max-width: 100%; height: auto; border-radius: 8px; margin: 16px 0; }
.case-detail-nav {
    margin-top: 40px; padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex; justify-content: space-between; font-size: 14px;
}
.case-detail-nav a { color: var(--text-gray); transition: color 0.3s ease; }
.case-detail-nav a:hover { color: var(--primary); }
.case-detail-nav .disabled { color: #ccc; }
.case-carousel-img { width: 100%; height: 400px; object-fit: cover; }

@media (max-width: 767px) {
    .case-detail-card { padding: 20px; }
    .case-detail-card h1 { font-size: 20px; }
    .case-detail-meta { font-size: 12px; }
    .case-detail-body { font-size: 14px; }
    .case-detail-nav { flex-direction: column; gap: 10px; text-align: center; }
    .case-detail-nav > div { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .case-carousel-img { height: 250px; }
}

@media (max-width: 480px) {
    .case-detail-card { padding: 16px; }
    .case-carousel-img { height: 200px; }
}

/* ===== ╰┈➤ 文章详情页响应式 ===== */
.article-detail-card {
    background: var(--white); border-radius: 16px; border: 1px solid var(--border-color);
    padding: 40px; margin: 0 auto; max-width: 900px;
}
.article-detail-card h1 { font-size: 26px; font-weight: 700; margin: 0 0 16px; text-align: center; }
.article-detail-meta {
    text-align: center; font-size: 13px; color: var(--text-light);
    margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color);
}
.article-detail-body { color: var(--text-gray); line-height: 2; font-size: 15px; }
.article-detail-body img { max-width: 100%; height: auto; border-radius: 8px; margin: 16px 0; }
.article-detail-nav {
    margin-top: 40px; padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex; justify-content: space-between; font-size: 14px;
}
.article-detail-nav a { color: var(--text-gray); transition: color 0.3s ease; }
.article-detail-nav a:hover { color: var(--primary); }
.article-detail-nav .disabled { color: #ccc; }

@media (max-width: 767px) {
    .article-detail-card { padding: 20px; }
    .article-detail-card h1 { font-size: 20px; }
    .article-detail-meta { font-size: 12px; flex-wrap: wrap; }
    .article-detail-body { font-size: 14px; }
    .article-detail-nav { flex-direction: column; gap: 10px; text-align: center; }
    .article-detail-nav > div { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media (max-width: 480px) {
    .article-detail-card { padding: 16px; }
}

/* ===== ╰┈➤ 联系页表单移动端 ===== */
@media (max-width: 767px) {
    .contact-form-card { padding: 24px !important; }
    .contact-form-card h3 { font-size: 17px !important; }
}

/* ===== ╰┈➤ 通用表格移动端 ===== */
@media (max-width: 767px) {
    table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
