/* ================= 🎯 强制锁死全局宽度 (防左右滑动) ================= */
html, body {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    position: relative;
    margin: 0;
    padding: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box !important;
    word-break: break-word;
}

:root {
    --primary: #05437c;
    --text-dark: #333;
    --text-light: #777;
    --white: #ffffff;
    --bg-light: #f9f9f9;
}

body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text-dark); background: #fff; }
a { text-decoration: none; color: inherit; }
img { display: block; width: 100%; height: 100%; object-fit: cover; max-width: 100% !important; }

.container { width: 90%; max-width: 1400px; margin: 0 auto; }
.section-padding { padding: 100px 0; }

/* ================= 导航栏与 Logo ================= */
header {
    position: fixed; top: 0; left: 0; width: 100%;
    padding: 20px 0; z-index: 1000;
    transition: background 0.4s ease, border 0.4s;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
header.scrolled { background: rgba(255, 255, 255, 0.98); box-shadow: 0 2px 15px rgba(0,0,0,0.05); border-bottom: none; }

.nav-inner { display: flex; justify-content: space-between; align-items: center; width: 95%; max-width: 1600px; margin: 0 auto; height: 70px; }

.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; flex: 1; }
.nav-links.left { justify-content: flex-start; }
.nav-links.right { justify-content: flex-end; }

.nav-links > li > a { color: var(--white); font-size: 15px; font-weight: 500; transition: color 0.3s; display: flex; align-items: center; gap: 4px; }
.nav-links > li > a:hover { color: #54a0ff; }
header.scrolled .nav-links > li > a { color: var(--text-dark); }
header.scrolled .nav-links > li > a:hover { color: var(--primary); }

/* Logo 状态 */
.logo-center {
    display: flex; align-items: center; justify-content: center;
    transform: translateY(100px); opacity: 0;
    transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1), opacity 1s ease;
}
.logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon { width: 40px; height: 40px; color: var(--white); transition: color 0.3s; }
header.scrolled .logo-icon { color: var(--primary); }

.logo-text-wrap { display: flex; flex-direction: column; justify-content: center; font-family: Arial, "Helvetica Neue", sans-serif; }
.logo-title { font-size: 24px; font-weight: 800; letter-spacing: 1px; color: var(--white); line-height: 1; transition: color 0.3s; }
header.scrolled .logo-title { color: var(--text-dark); }
.logo-title span { color: #54a0ff; font-weight: 300; }
.logo-subtitle { font-size: 10px; letter-spacing: 4px; color: rgba(255,255,255,0.7); margin-top: 4px; transition: color 0.3s; }
header.scrolled .logo-subtitle { color: #999; }

/* 默认隐藏移动端组件 */
.mobile-toggle { display: none; }
.mobile-menu { display: none; }

/* 导航图标通用样式 */
.nav-icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; margin-right: 8px; }
.nav-icon svg { width: 100%; height: 100%; transition: transform 0.3s ease; }
.nav-links a:hover .nav-icon svg { transform: translateY(-2px); color: #54a0ff; }

/* PC端下拉菜单 */
.dropdown-menu { position: absolute; top: 100%; left: 0; min-width: 180px; background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.1); list-style: none; padding: 10px 0; border-radius: 4px; opacity: 0; visibility: hidden; transform: translateY(15px); transition: all 0.3s ease; z-index: 1001; }
.has-dropdown { position: relative; }
.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a { display: block; padding: 10px 20px; color: #333; font-size: 14px; transition: background 0.3s, color 0.3s; }
.dropdown-menu li a:hover { background: #f5f8ff; color: var(--primary); }
.dropdown-icon { width: 16px; height: 16px; margin-left: 4px; }

/* ================= 🎯 高定级：发送询盘按钮 ================= */
/* 精准锁定右侧倒数第二个（排除最后面的语言切换） */
.nav-links.right li:nth-last-child(2) a {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    height: 38px !important;
    padding: 0 24px !important;
    background: #0a7cff !important;
    color: #ffffff !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1 !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    box-shadow: 0 4px 15px rgba(10, 124, 255, 0.3) !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
    margin: 0 !important;
}

/* 强制图标变白色 */
.nav-links.right li:nth-last-child(2) a .nav-icon {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-right: 6px !important;
    color: #ffffff !important;
}
.nav-links.right li:nth-last-child(2) a .nav-icon svg {
    width: 16px !important;
    height: 16px !important;
    stroke: #ffffff !important;
    fill: #ffffff !important;
}

/* 强制文字居中 */
.nav-links.right li:nth-last-child(2) a span {
    display: inline-block !important;
    text-align: center !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
}

.nav-links.right li:nth-last-child(2) a:hover {
    background: #3394ff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 124, 255, 0.5) !important;
    color: #fff !important;
}

header.scrolled .nav-links.right li:nth-last-child(2) a {
    background: #05437c !important;
    color: #fff !important;
    border-color: #05437c !important;
}

/* ================= 🎯 胶囊式语言切换 (带国旗) ================= */
.lang-switch {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 3px;
    margin-left: 15px;
    gap: 2px;
}
.lang-switch a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 4px 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1;
}
.lang-switch .fi {
    border-radius: 50%;
    width: 16px;
    height: 16px;
    background-size: cover;
    box-shadow: 0 0 2px rgba(0,0,0,0.2);
}
.lang-switch a:hover { color: #fff; }
.lang-switch a.active {
    background: #fff;
    color: #05437c !important;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
header.scrolled .lang-switch {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}
header.scrolled .lang-switch a { color: #666; }
header.scrolled .lang-switch a.active {
    background: #05437c;
    color: #fff !important;
}

/* ================= 首屏轮播 ================= */
.hero { position: relative; height: 100vh; min-height: 650px; overflow: hidden; background: #000; }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1s ease, visibility 1s; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-slide::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.4); }

.hero-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; z-index: 2; color: var(--white); width: 90%; max-width: 1000px; display: flex; flex-direction: column; align-items: center; }
.hero-content h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 400; letter-spacing: 2px; margin-bottom: 20px; opacity: 0; transform: translateY(30px); }
.hero-content p { font-size: clamp(14px, 1.5vw, 16px); font-weight: 300; line-height: 1.8; margin-bottom: 40px; opacity: 0; transform: translateY(30px); }
.btn-hero { display: inline-block; padding: 12px 45px; border: 1px solid var(--white); border-radius: 30px; color: var(--white); font-size: 14px; transition: all 0.4s ease; opacity: 0; transform: translateY(30px); }
.btn-hero:hover { background: var(--white); color: var(--text-dark); }

.hero-slide.active .hero-content h2 { animation: textUp 1s forwards 0.3s; }
.hero-slide.active .hero-content p { animation: textUp 1s forwards 0.6s; }
.hero-slide.active .hero-content .btn-hero { animation: textUp 1s forwards 0.9s; }
@keyframes textUp { to { opacity: 1; transform: translateY(0); } }

.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 3; }
.hero-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: 0.3s; }
.hero-dots span.active { background: var(--white); transform: scale(1.2); }

/* ================= 其他板块样式 ================= */
.section-header { text-align: center; margin-bottom: 60px; }
.title-wrapper { display: inline-flex; flex-direction: column; align-items: center; margin-bottom: 20px; }
.special-border-box { position: relative; padding: 10px 40px; margin-bottom: 15px; display: inline-block; }
.special-border-box::before, .special-border-box::after { content: ''; position: absolute; width: 15px; height: 15px; border-color: #333; border-style: solid; }
.special-border-box::before { top: 0; left: 0; border-width: 1px 0 0 1px; }
.special-border-box::after { top: 0; right: 0; border-width: 1px 1px 0 0; }
.special-border-box .bottom-line { position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; display: flex; justify-content: space-between; }
.special-border-box .bottom-line::before, .special-border-box .bottom-line::after { content: ''; width: 15px; height: 100%; border-color: #333; border-style: solid; }
.special-border-box .bottom-line::before { border-width: 0 0 1px 1px; }
.special-border-box .bottom-line::after { border-width: 0 1px 1px 0; }
.section-header h2 { font-size: 26px; font-weight: 500; color: #222; letter-spacing: 3px; }
.section-header h3 { font-size: 15px; font-weight: 500; color: #333; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; }
.title-divider { width: 50px; height: 2px; background: #333; margin: 0 auto 15px; }
.section-header .web-url { font-size: 13px; color: #999; letter-spacing: 1.5px; font-family: Arial, sans-serif; }

.about-section { background: var(--white); text-align: center; }
.about-text { max-width: 1000px; margin: 0 auto; font-size: 14px; color: var(--text-light); line-height: 2.2; margin-bottom: 35px; }
.btn-primary { display: inline-block; padding: 12px 45px; background: var(--primary); color: var(--white); font-size: 14px; border-radius: 2px; transition: 0.3s; }
.btn-primary:hover { background: #03284a; }

.products-section { width: 100%; background: var(--bg-light); }
.product-grid { display: flex; width: 100%; overflow: hidden; }
.product-card { position: relative; flex: 1; height: 400px; cursor: pointer; overflow: hidden; }
.product-card img { transition: transform 0.8s ease; }
.product-card:hover img { transform: scale(1.08); }
.product-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.55); display: flex; flex-direction: column; justify-content: flex-end; padding: 40px; transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.product-card:hover .product-overlay { transform: translateY(0); }
.overlay-content { transform: translateY(20px); opacity: 0; transition: all 0.4s ease 0.1s; }
.product-card:hover .overlay-content { transform: translateY(0); opacity: 1; }
.overlay-content h4 { color: var(--white); font-size: 22px; margin-bottom: 8px; font-weight: 500; }
.overlay-content span { color: rgba(255,255,255,0.8); font-size: 14px; }

.brand-row { display: flex; width: 100%; align-items: stretch; }
.brand-row:nth-child(even) { flex-direction: row-reverse; }
.brand-image { width: 50%; height: 650px; overflow: hidden; }
.brand-text { width: 50%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 0 10%; background: var(--white); }
.brand-image.left-anim { opacity: 0; transform: translateX(-100px); }
.brand-text.right-anim { opacity: 0; transform: translateX(100px); }
.brand-image.right-anim { opacity: 0; transform: translateX(100px); }
.brand-text.left-anim { opacity: 0; transform: translateX(-100px); }
.brand-text h3 { font-size: 28px; color: var(--text-dark); margin-bottom: 25px; font-weight: 400; letter-spacing: 1px; font-style: italic;}
.brand-text p { font-size: 15px; color: #777; line-height: 2.2; margin-bottom: 35px; max-width: 500px; }

.news-section { background: #fafafa; padding: 100px 0; }
.news-grid-full { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; gap: 20px; padding: 0 20px; }
.news-card { background: var(--white); border: 1px solid #eee; display: flex; flex-direction: column; position: relative; overflow: hidden; opacity: 0; transform: translateY(60px); transition: transform 0.4s ease, box-shadow 0.4s ease; }
.news-card::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 4px; background: #222; transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.news-card:hover::after { transform: scaleX(1); }
.news-card:hover { transform: translateY(-5px) !important; box-shadow: 0 15px 30px rgba(0,0,0,0.08); }
.news-img-wrap { position: relative; height: 240px; overflow: hidden; width: 100%; }
.news-img-wrap img { transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); }
.news-card:hover .news-img-wrap img { transform: scale(1.08); }
.news-body { padding: 30px 25px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.news-body h4 { font-size: 18px; margin-bottom: 15px; color: var(--text-dark); font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-body p { font-size: 13.5px; color: #888; line-height: 1.8; height: 48px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 25px; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #aaa; padding-top: 20px; border-top: 1px solid #f0f0f0; }
.news-meta a { color: #666; transition: color 0.3s; }
.news-meta a:hover { color: #000; }

/* ================= 页脚与波浪 ================= */
.footer-wave { position: absolute; top: -50px; left: 0; width: 100%; height: 50px; overflow: hidden; line-height: 0; pointer-events: none; z-index: 99999; }
.footer-wave svg { position: relative; display: block; width: calc(100% + 1.3px); height: 50px; }
@keyframes move-forever { 0% { transform: translate3d(-90px, 0, 0); } 100% { transform: translate3d(85px, 0, 0); } }
.footer-wave .parallax > use { animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite; will-change: transform; }
.footer-wave .parallax > use:nth-child(1) { animation-duration: 7s; animation-delay: -2s; }
.footer-wave .parallax > use:nth-child(2) { animation-duration: 10s; animation-delay: -3s; }
.footer-wave .parallax > use:nth-child(3) { animation-duration: 13s; animation-delay: -4s; }
.footer-wave .parallax > use:nth-child(4) { animation-duration: 20s; animation-delay: -5s; }

footer { position: relative; background: #05437c; padding: 80px 0 30px; text-align: center; color: rgba(255,255,255,0.7); }
.footer-logo { margin-bottom: 40px; display: flex; justify-content: center; align-items: center; gap: 10px; }
.footer-logo svg { width: 40px; height: 40px; color: #fff; }
.footer-logo-text { font-family: Arial, sans-serif; font-size: 26px; font-weight: 800; color: #fff; text-decoration: none; line-height: 1; }
.footer-logo-text span { color: #54a0ff; font-weight: 300; }
.footer-nav { display: flex; justify-content: center; gap: 40px; margin-bottom: 40px; font-size: 14px; flex-wrap: wrap; }
.footer-nav a { color: #fff; transition: color 0.3s; }
.footer-nav a:hover { color: #52a8ff; }
.footer-info { font-size: 13px; line-height: 2.2; margin-bottom: 30px; display: flex; justify-content: center; gap: 60px; flex-wrap: wrap;}
.footer-social { display: flex; justify-content: center; gap: 20px; margin-bottom: 40px; }
.footer-social a { display: inline-block; width: 36px; height: 36px; line-height: 36px; color: #fff; font-size: 18px; transition: 0.3s; background: rgba(255,255,255,0.1); border-radius: 50%;}
.footer-social a:hover { background: #fff; color: #05437c; transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; font-size: 12px; color: rgba(255,255,255,0.5); }

/* ================= 侧边浮动工具栏 / 底部社交栏 ================= */
.float-toolbar { position: fixed; right: 20px; bottom: 80px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.float-btn { position: relative; width: 48px; height: 48px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(15, 23, 42, 0.15); transition: all 0.25s ease; text-decoration: none; }
.float-btn:hover { transform: translateY(-4px) scale(1.08); box-shadow: 0 8px 25px rgba(15, 23, 42, 0.25); filter: brightness(1.1); }
.float-tip { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(8px); background: #0f172a; color: #fff; font-size: 13px; font-weight: 600; padding: 8px 14px; border-radius: 8px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all 0.25s ease; pointer-events: auto; box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15); }
.float-tip::after { content: ''; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); border: 6px solid transparent; border-left-color: inherit; }
.float-btn:hover .float-tip, .float-btn .float-tip:hover { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(-8px); }

.float-btn.youtube { color: #ff0000; } .float-btn.youtube .float-tip { background: #ff0000; border-left-color: #ff0000; }
.float-btn.facebook { color: #1877f2; } .float-btn.facebook .float-tip { background: #1877f2; border-left-color: #1877f2; }
.float-btn.linkedin { color: #0a66c2; } .float-btn.linkedin .float-tip { background: #0a66c2; border-left-color: #0a66c2; }
.float-btn.whatsapp { color: #25d366; } .float-btn.whatsapp .float-tip { background: #25d366; border-left-color: #25d366; }
.float-btn.instagram { color: #e4405f; } .float-btn.instagram .float-tip { background: #e4405f; border-left-color: #e4405f; }
.float-btn.tiktok { color: #0f172a; } .float-btn.tiktok .float-tip { background: #0f172a; border-left-color: #0f172a; }
.float-btn.backtop { color: #1e40af; } .float-btn.backtop .float-tip { background: #1e40af; border-left-color: #1e40af; }

.social-bar { display: none; background: #0f172a; border-top: 1px solid #1e293b; position: fixed !important; bottom: 0; left: 0; right: 0; width: 100% !important; max-width: 100vw !important; margin: 0 !important; padding: 8px 0 calc(8px + env(safe-area-inset-bottom, 0px)) !important; z-index: 999999 !important; box-shadow: 0 -4px 20px -8px rgba(15, 23, 42, 0.5); flex-direction: row; justify-content: space-around; align-items: center; transform: translate3d(0, 0, 0); }
.social-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: #cbd5e1; font-size: 11px; font-weight: 500; padding: 4px 0; transition: color 0.28s ease; text-decoration: none; line-height: 1.2; }
.social-item svg { width: 22px; height: 22px; transition: transform 0.28s ease; flex-shrink: 0; }
.social-item.youtube svg   { color: #ff0000; }
.social-item.facebook svg  { color: #1877f2; }
.social-item.whatsapp svg  { color: #25d366; }
.social-item.instagram svg { color: #e4405f; }
.social-item.linkedin svg  { color: #0a66c2; }
.social-item.tiktok svg    { color: #ffffff; }

/* ========================================================================= */
/* ================= 🎯 终极移动端适配 ================= */
/* ========================================================================= */
@media (max-width: 1024px) {
    .nav-links { display: none !important; }
    .mobile-toggle { display: flex !important; }
    .logo-center { opacity: 1 !important; transform: translateY(0) !important; }
    header { background: rgba(255, 255, 255, 0.98) !important; padding: 10px 0 !important; border-bottom: 1px solid #eee; }
    header.scrolled { box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
    header .logo-title { color: #111 !important; font-size: 20px; }
    header .logo-title span { color: var(--primary) !important; }
    header .logo-subtitle { color: #888 !important; font-size: 8px; letter-spacing: 2px; }
    header .logo-icon { color: var(--primary) !important; width: 35px; height: 35px; }

    .mobile-toggle { display: flex !important; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; cursor: pointer; z-index: 10005; background: #f5f5f5; border-radius: 50%; position: relative; margin-left: auto !important; margin-right: 0 !important; flex-shrink: 0 !important; }
    .mobile-toggle span { display: block; width: 20px; height: 2px; background: #111; margin: 3px 0; transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); transform-origin: center; }
    .mobile-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg) !important; }
    .mobile-toggle.active span:nth-child(2) { opacity: 0 !important; transform: translateX(-10px) !important; }
    .mobile-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg) !important; }

    .mobile-menu { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: linear-gradient(135deg, rgba(10, 130, 200, 0.98) 0%, rgba(5, 67, 124, 0.98) 100%) !important; backdrop-filter: blur(10px); z-index: 10000; padding: 100px 30px 40px; display: flex !important; flex-direction: column; opacity: 0; visibility: hidden; transform: translateY(-30px); transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); overflow-y: auto; }
    .mobile-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }

    .mobile-nav-list { list-style: none; padding: 0; margin: 0; width: 100%; }
    .mobile-nav-list > li { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .mobile-nav-list > li > a { display: flex; align-items: center; justify-content: space-between; padding: 20px 10px; font-size: 16px; font-weight: 400; color: #ffffff !important; transition: color 0.3s, padding-left 0.3s; }
    .mobile-nav-list > li > a:active { color: #54a0ff !important; padding-left: 15px; }
    .mobile-nav-list > li > a .nav-icon { width: 22px; height: 22px; margin-right: 12px; color: #54a0ff; }

    .mobile-arrow-icon { display: inline-block; width: 10px; height: 10px; border-right: 2px solid rgba(255,255,255,0.6); border-bottom: 2px solid rgba(255,255,255,0.6); transform: rotate(45deg); transition: transform 0.4s ease; margin-right: 5px; }
    .has-mobile-dropdown.open .mobile-arrow-icon { transform: rotate(-135deg); border-color: #54a0ff; }

    .mobile-submenu { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; background: rgba(0, 0, 0, 0.15) !important; border-radius: 0 0 8px 8px; margin: 0; padding: 0; }
    .mobile-submenu.open { max-height: 500px; }
    .mobile-submenu li { border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
    .mobile-submenu li:last-child { border-bottom: none; }
    .mobile-submenu li a { display: block; padding: 15px 30px; font-size: 14px; color: rgba(255, 255, 255, 0.7) !important; transition: color 0.3s; }
    .mobile-submenu li a:active { color: #54a0ff !important; }

    .mobile-btn-inquiry { display: inline-block !important; background: #ffffff !important; color: var(--primary) !important; padding: 12px 30px !important; border-radius: 30px; text-align: center; margin-top: 30px; font-weight: 600 !important; width: max-content; box-shadow: 0 4px 15px rgba(0,0,0,0.2); border-bottom: none !important; }

    .mobile-lang-switch { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 40px; padding-bottom: 20px; list-style: none; border-bottom: none !important; }
    .mobile-lang-switch a { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 24px; font-size: 15px; color: rgba(255, 255, 255, 0.8) !important; background: rgba(255, 255, 255, 0.15); border-radius: 30px; text-decoration: none; transition: all 0.3s ease; border: 1px solid transparent; }
    .mobile-lang-switch a.active { background: #ffffff; color: #05437c !important; font-weight: 600; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); }
    .mobile-lang-switch .fi { width: 18px; height: 18px; border-radius: 50%; background-size: cover; box-shadow: 0 0 3px rgba(0,0,0,0.2); }

    .hero { height: 60vh; min-height: 400px; margin-top: 60px; }
    .hero-content { width: 85%; top: 45%; display: flex !important; flex-direction: column !important; align-items: center !important; justify-content: center !important; height: 100%; }
    .hero-content h2 { font-size: 22px; line-height: 1.4; margin-bottom: 12px; }
    .hero-content p { font-size: 13px; line-height: 1.6; margin-bottom: 25px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
    .btn-hero { padding: 8px 30px; font-size: 13px; }

    .product-grid { flex-wrap: wrap; }
    .product-card { flex: 0 0 50%; height: 250px; }
    .brand-row { flex-direction: column !important; }
    .brand-image { width: 100%; height: 300px; }
    .brand-text { width: 100%; padding: 40px 5%; }
    .news-grid-full { grid-template-columns: repeat(2, 1fr); }

    .float-toolbar { display: none !important; }
    .social-bar { display: flex !important; }
    body { padding-bottom: 80px !important; }
}

@media (max-width: 768px) {
    .product-card { flex: 0 0 100%; height: 200px; }
    .news-grid-full { grid-template-columns: 1fr; }
    .footer-info { flex-direction: column; gap: 20px; }
    .section-padding { padding: 60px 0; }
    .special-border-box { padding: 8px 20px; }
    .section-header h2 { font-size: 20px; }
    .hero { height: 55vh; min-height: 350px; }
    .hero-content h2 { font-size: 18px; }
    .hero-content p { font-size: 12px; margin-bottom: 15px; }
}
/* 移动端询盘按钮 */
.mobile-btn-inquiry {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #ffffff !important;
    color: #05437c !important;
    padding: 12px 30px 12px 40px !important; /* 左边多留 10px 给图标 */
    border-radius: 30px;
    margin-top: 30px;
    font-weight: 600 !important;
    width: max-content;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border-bottom: none !important;
    position: relative !important;
}

/* 🎯 用 CSS 在移动端也画个小飞机 */
.mobile-btn-inquiry::before {
    content: '' !important;
    position: absolute !important;
    left: 18px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 16px !important;
    height: 16px !important;
    background-color: #05437c !important; /* 图标颜色，和文字一样深蓝 */
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='22' y1='2' x2='11' y2='13'/%3E%3Cpolygon points='22 2 15 22 11 13 2 9 22 2'/%3E%3C/svg%3E") !important;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='22' y1='2' x2='11' y2='13'/%3E%3Cpolygon points='22 2 15 22 11 13 2 9 22 2'/%3E%3C/svg%3E") !important;
    -webkit-mask-size: contain !important;
    mask-size: contain !important;
    -webkit-mask-repeat: no-repeat !important;
    mask-repeat: no-repeat !important;
    -webkit-mask-position: center !important;
    mask-position: center !important;
}