/* ========== 全局重置 & 变量 ========== */

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        :root {
            --primary-dark: #0A2F5A;
            --primary: #1A4B7A;
            --primary-light: #2C6A9E;
            --accent-green: #2E7D32;
            --accent-soft: #E8F1F5;
            --accent-warm: #FDF8F0;
            --cta-orange: #E8751E;
            --cta-hover: #C65D14;
            --gray-50: #F9FAFB;
            --gray-200: #E5E7EB;
            --gray-600: #4B5563;
            --gray-700: #374151;
            --gray-800: #1F2937;
            --gray-900: #111827;
			--new-foot: #19395f;
			--new-cat: #4978b6;
            --white: #FFFFFF;
            --shadow-sm: 0 4px 6px -2px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 30px -10px rgba(0,0,0,0.1);
            --transition: all 0.25s ease;
            --max-width: 1280px;
        }
        body { background-color: var(--white); color: var(--gray-800); line-height: 1.5; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

 
        @keyframes softGlow { 0% { box-shadow: 0 0 5px rgba(255,215,100,0.1); } 100% { box-shadow: 0 0 12px rgba(255,215,100,0.25); } }
        .hero h1 { font-size: 3rem; font-weight: 700; line-height: 1.2; margin-bottom: 20px; }
        .hero-highlight { color: #FFD966; }
        .hero-desc { font-size: 1.2rem; opacity: 0.9; max-width: 550px; margin-bottom: 32px; }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats { flex: 0.9; display: flex; gap: 28px; justify-content: flex-end; }
        .stat-item { background: rgba(255,255,255,0.1); backdrop-filter: blur(8px); padding: 20px 18px; border-radius: 20px; text-align: center; min-width: 130px; border: 1px solid rgba(255,255,255,0.15); transition: transform 0.2s; }
        .stat-item:hover { transform: scale(1.02); background: rgba(255,255,255,0.15); }
        .stat-num { font-size: 2.4rem; font-weight: 800; }
        .stat-label { font-size: 0.9rem; opacity: 0.85; }

        .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .service-card { background: white; border-radius: 20px; padding: 28px 24px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.03); transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease; transform: translateY(0); }
        .service-card:hover { transform: translateY(-6px); box-shadow: 0 15px 30px -8px rgba(0,0,0,0.12); border-color: var(--primary-light); }
        .service-icon { background: var(--accent-soft); width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; color: var(--primary-dark); font-size: 26px; transition: transform 0.2s, background 0.2s; }
        .service-card:hover .service-icon { transform: rotate(3deg) scale(1.02); background: var(--primary-dark); color: white; }
        .service-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
        .service-card p { color: var(--gray-600); margin-bottom: 18px; font-size: 0.95rem; }
        .card-link { color: var(--primary-dark); font-weight: 600; text-decoration: none; align-items: center; gap: 6px; transition: color 0.2s; }
        .service-card:hover .card-link { color: var(--cta-orange); }
        .card-link i { transition: transform 0.2s; }
        .service-card:hover .card-link i { transform: translateX(4px); }

        .feature-split { display: flex; gap: 32px; align-items: stretch; }
        .reg-left-panel { flex: 1; position: relative; background: linear-gradient(145deg, #f0f7fa, #e4eef5); border-radius: 32px; padding: 32px 28px; border: 1px solid rgba(26,75,122,0.08); box-shadow: inset 0 2px 4px rgba(255,255,255,0.8), var(--shadow-sm); overflow: hidden; }
        .reg-left-panel .panel-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: url('https://images.pexels.com/photos/2131623/pexels-photo-2131623.jpeg?auto=compress&cs=tinysrgb&w=600'); background-size: cover; background-position: center; opacity: 0.12; z-index: 0; }
        .reg-left-panel > * { position: relative; z-index: 2; }
        .reg-category-title { font-size: 1.7rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
        .reg-category-title i { background: var(--primary-dark); color: white; padding: 10px; border-radius: 14px; font-size: 1.5rem; }
        .reg-grid-icons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 10px; }
        .reg-icon-item { text-align: center; background: rgba(255,255,255,0.8); backdrop-filter: blur(4px); padding: 14px 6px; border-radius: 16px; transition: var(--transition); border: 1px solid rgba(255,255,255,0.9); box-shadow: var(--shadow-sm); text-decoration: none; color: var(--gray-800); display: block; }
        .reg-icon-item:hover { background: white; transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .reg-icon-item i { font-size: 2rem; color: var(--primary-dark); margin-bottom: 6px; }
        .feature-content { flex: 1; }
        .feature-content h3 { font-size: 1.9rem; color: var(--primary-dark); margin-bottom: 20px; }
        .update-list { list-style: none; margin: 24px 0; }
        .update-list li { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
        .update-icon { background: var(--accent-green); color: white; width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .update-link { color: var(--gray-800); text-decoration: none; transition: color 0.2s; }
        .update-link strong { color: var(--primary-dark); }
        .update-link:hover { color: var(--primary); }

        .cases-section { position: relative; padding: 56px 0; overflow: hidden; }
        .cases-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: url('https://images.pexels.com/photos/12935090/pexels-photo-12935090.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2'); background-size: cover; background-position: center; opacity: 0.3; z-index: 0; }
        .cases-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 47, 90, 0.75); backdrop-filter: blur(2px); z-index: 1; }
        .cases-section .container { position: relative; z-index: 3; }
        .cases-section .section-header h2, .cases-section .section-header p { color: white; }
        .cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 32px; }
        .case-card { background: rgba(255,255,255,0.95); backdrop-filter: blur(4px); border-radius: 18px; padding: 20px; box-shadow: var(--shadow-md); border: 1px solid rgba(255,255,255,0.2); transition: var(--transition); display: flex; gap: 14px; align-items: flex-start; }
        .case-card:hover { background: white; transform: translateY(-3px); box-shadow: 0 15px 30px -10px rgba(0,0,0,0.2); }
        .case-icon { background: var(--primary-dark); width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; color: white; font-size: 22px; flex-shrink: 0; transition: transform 0.2s, background 0.2s; }
        .case-card:hover .case-icon { transform: scale(1.05); background: var(--cta-orange); }
        .case-content h4 { font-size: 1.1rem; margin-bottom: 4px; color: var(--gray-900); }
        .case-tag { display: inline-block; background: var(--primary-dark); color: white; padding: 2px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 600; margin-bottom: 6px; }
        .case-content p { color: var(--gray-700); font-size: 0.85rem; margin-bottom: 8px; }
        .case-link { color: var(--primary-dark); font-weight: 600; text-decoration: none; font-size: 0.85rem; }
        .more-cases { text-align: center; margin-top: 10px; }
        .more-cases .btn-secondary { background: transparent; border-color: white; color: white; }
        .more-cases .btn-secondary:hover { background: white; color: var(--primary-dark); }

        .faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .faq-item { background: white; border-radius: 16px; padding: 20px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.03); transition: var(--transition); }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question { display: flex; gap: 12px; margin-bottom: 10px; }
        .faq-q-icon { color: var(--primary-dark); font-weight: 700; font-size: 1.1rem; }
        .faq-answer { display: flex; gap: 12px; color: var(--gray-600); font-size: 0.9rem; }
        .faq-a-icon { color: var(--accent-green); font-weight: 700; font-size: 1.1rem; }
        .faq-more { text-align: center; margin-top: 32px; }

        /* 服务流程 */
        .process-section { background: var(--gray-50); padding: 56px 0; }
        .process-flow { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; margin-top: 40px; }
        .process-step { flex: 1; min-width: 160px; text-align: center; background: white; border-radius: 24px; padding: 28px 16px; box-shadow: var(--shadow-sm); transition: var(--transition); position: relative; }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .process-icon { width: 56px; height: 56px; background: var(--primary-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: white; font-size: 22px; }
        .process-step h4 { font-size: 1.1rem; margin-bottom: 8px; color: var(--gray-900); }
        .process-step p { color: var(--gray-600); font-size: 0.85rem; }

        /* 为什么选择我们 */
        .why-us-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 32px; }
        .why-us-card { background: white; border-radius: 18px; padding: 24px; box-shadow: var(--shadow-sm); display: flex; gap: 16px; align-items: center; transition: var(--transition); }
        .why-us-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .why-us-icon { width: 48px; height: 48px; background: var(--accent-green); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: white; font-size: 20px; flex-shrink: 0; }
        .why-us-card p { font-size: 1rem; color: var(--gray-700); margin: 0; }

        /* 服务经验 */
        .experience-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 32px; }
        .exp-card { background: white; border-radius: 24px; padding: 32px 16px; text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); }
        .exp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .exp-number { font-size: 2.8rem; font-weight: 800; color: var(--primary-dark); }
        .exp-label { color: var(--gray-600); font-size: 1rem; margin-top: 8px; }

        .cta-section { padding: 56px 0; }
        .cta-box { background: var(--primary-dark); border-radius: 40px; padding: 48px 28px; color: white; text-align: center; }

        /* 新页脚 */
        .footer { background: var(--gray-900); color: #CBD5E1; padding: 48px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1.5fr 1.5fr 2fr; gap: 40px; }
        .footer-col h4 { color: white; margin-bottom: 20px; font-size: 1.2rem; }
        .footer-col p, .footer-col li { margin-bottom: 10px; font-size: 0.9rem; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col a { color: #94A3B8; text-decoration: none; transition: color 0.2s; }
        .footer-col a:hover { color: white; }
        .qr-placeholder { width: 100px; height: 100px;  border-radius: 12px; display: flex; align-items: center; justify-content: center; color: white; margin-top: 10px; }
        .footer-bottom { border-top: 1px solid #334155; margin-top: 40px; padding-top: 24px; text-align: center; color: #64748B; font-size: 0.9rem; }

        @media (max-width: 1024px) {
            .services-grid { grid-template-columns: repeat(2,1fr); }
            .cases-grid { grid-template-columns: repeat(2,1fr); }
            .experience-stats { grid-template-columns: repeat(2,1fr); }
            .footer-grid { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; } .mobile-menu-btn { display: block; }
            .hero-grid { flex-direction: column; }
            .feature-split { flex-direction: column; }
            .services-grid { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .process-flow { flex-direction: column; }
            .why-us-grid { grid-template-columns: 1fr; }
            .experience-stats { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        .lang-zh, .lang-en { display: none; }
        .lang-demo.zh .lang-zh { display: inline; }
        .lang-demo.en .lang-en { display: inline; }
        .lang-demo.zh .lang-zh-block { display: block; }
        .lang-demo.en .lang-en-block { display: block; }
        .floating { animation: float 5s ease-in-out infinite; }
        @keyframes float { 0%{transform:translateY(0);} 50%{transform:translateY(-4px);} 100%{transform:translateY(0);} }

/* ========== 顶部语言切换 ========== */
.lang-top {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.85rem;
    padding: 4px 0;
}
.lang-bar {
    display: flex;
    justify-content: flex-end;
}
.lang-switch {
    display: flex;
    gap: 6px;
}
.lang-btn {
    background: none;
    border: none;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition);
    font-size: 0.85rem;
    border: 1px solid transparent;
}
.lang-btn.active {
    background: var(--primary-dark);
    color: white;
}
.lang-btn:hover:not(.active) {
    background: var(--gray-200);
}

/* ========== 导航栏 ========== */
.navbar {
    padding: 12px 0;
    background: white;
    border-bottom: 1px solid var(--gray-200);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-img {
    width: 44px;
    height: 44px;
   /* background: linear-gradient(145deg, #0A2F5A, #1E4D6F);*/
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 20px;
}
.logo-text {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary-dark);
    line-height: 1.2;
}
.logo-text .slogan {
    font-weight: 400;
    color: var(--primary-light);
    font-size: 0.7rem;
    display: block;
	width:200px;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}
.nav-item {
    position: relative;
}
.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition);
}
.nav-link i {
    font-size: 0.75rem;
}
.nav-link:hover,
.nav-link.active-nav {
    color: var(--primary-dark);
    border-bottom-color: var(--cta-orange);
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.25s;
    z-index: 1000;
    border: 1px solid var(--gray-200);
    margin-top: 8px;
}
.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 0.95rem;
    transition: background 0.15s;
}
.dropdown-menu a:hover {
    background: var(--accent-soft);
    color: var(--primary-dark);
}
.dropdown-menu a i {
    margin-right: 10px;
    color: var(--primary-light);
    width: 18px;
}
.nav-cta {
    background: var(--cta-orange);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 40px;
    font-weight: 600;
    border-bottom: none !important;
}
.nav-cta:hover {
    background: var(--primary-light);
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--gray-200);
    font-size: 1.6rem;
    padding: 4px 14px;
    border-radius: 8px;
    color: var(--gray-700);
    cursor: pointer;
}

/* ========== 通用模块间距与标题 ========== */
.section {
    padding: 56px 0;
}
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}
.section-header h2 {
    font-size: 2.2rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* 按钮 */
.btn-primary {
    background: var(--cta-orange);
    color: white;
    border: none;
    padding: 14px 34px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-primary:hover {
    background: var(--cta-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.5);
    color: white;
    padding: 14px 34px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.08);
    border-color: white;
}
.btn-secondary {
    background: white;
    border: 1.5px solid var(--primary-dark);
    color: var(--primary-dark);
    padding: 10px 28px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
}
.btn-secondary:hover {
    background: var(--primary-dark);
    color: white;
}
.btn-arrow i {
    transition: transform 0.2s;
}
.btn-arrow:hover i {
    transform: translateX(4px);
}

/* ========== Hero 区域（带底图透明度） ========== */
.hero {
    position: relative;
    background: linear-gradient(105deg, #0A2F5A 0%, #1E4D6F 100%);
    color: white;
    padding: 60px 0;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/static/images/index.jpg');
    background-size: cover;
    background-position: center 30%;
    opacity: 0.18;
    pointer-events: none;
    z-index: 1;
}
.hero .container {
    position: relative;
    z-index: 3;
}
.hero-grid {
    display: flex;
    align-items: center;
    gap: 40px;
}
.hero-content {
    flex: 1.2;
}
.hero-badge {
    background: rgba(255,255,255,0.15);
    display: inline-block;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.1);
    animation: softGlow 3s infinite alternate;
}
@keyframes softGlow {
    0% { box-shadow: 0 0 5px rgba(255,215,100,0.1); }
    100% { box-shadow: 0 0 12px rgba(255,215,100,0.25); }
}
.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-highlight {
    color: #FFD966;
}
.hero-desc {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 550px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-stats {
    flex: 0.9;
    display: flex;
    gap: 28px;
    justify-content: flex-end;
}
.stat-item {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    padding: 20px 18px;
    border-radius: 20px;
    text-align: center;
    min-width: 130px;
    border: 1px solid rgba(255,255,255,0.15);
    transition: transform 0.2s;
}
.stat-item:hover {
    transform: scale(1.02);
    background: rgba(255,255,255,0.15);
}
.stat-num {
    font-size: 2.4rem;
    font-weight: 800;
}
.stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* ========== 核心服务卡片 ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    background: white;
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}
.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}
.service-icon {
    background: var(--accent-soft);
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary-dark);
    font-size: 26px;
    transition: transform 0.2s;
}
.service-card:hover .service-icon {
    transform: rotate(3deg) scale(1.02);
}
.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    height: 70px;
    overflow: hidden;
}
.service-card p {
    color: var(--gray-600);
    margin-bottom: 18px;
    font-size: 0.95rem;
	height:50px;
}
.card-link {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
    /* display: inline-flex; */
    align-items: center;
    gap: 6px;
}

/* ========== 法规模块（左侧底图+图标网格） ========== */
.feature-split {
    display: flex;
    gap: 32px;
    align-items: stretch;
}
.reg-left-panel {
    flex: 1;
    position: relative;
    background: linear-gradient(145deg, #f0f7fa, #e4eef5);
    border-radius: 32px;
    padding: 32px 28px;
    border: 1px solid rgba(26,75,122,0.08);
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.8), var(--shadow-sm);
    overflow: hidden;
}
.reg-left-panel .panel-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.pexels.com/photos/2131623/pexels-photo-2131623.jpeg?auto=compress&cs=tinysrgb&w=600');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    z-index: 0;
}
.reg-left-panel > * {
    position: relative;
    z-index: 2;
}
.reg-category-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.reg-category-title i {
    background: var(--primary-dark);
    color: white;
    padding: 10px;
    border-radius: 14px;
    font-size: 1.5rem;
}
.reg-grid-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px 10px;
}
.reg-icon-item {
    text-align: center;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(4px);
    padding: 14px 6px;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.9);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--gray-800);
    display: block;
}
.reg-icon-item:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.reg-icon-item i {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 6px;
}
.feature-content {
    flex: 1;
}
.feature-content h3 {
    font-size: 1.9rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}
.update-list {
    list-style: none;
    margin: 24px 0;
}
.update-list li {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
    align-items: flex-start;
}
.update-icon {
    background: var(--accent-green);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.update-link {
    color: var(--gray-800);
    text-decoration: none;
    transition: color 0.2s;
}
.update-link strong {
    color: var(--primary-dark);
}
.update-link:hover {
    color: var(--primary);
}

/* ========== 成功案例模块（深色底纹+底图） ========== */
.cases-section {
    position: relative;
    padding: 56px 0;
    overflow: hidden;
}
.cases-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.pexels.com/photos/12935090/pexels-photo-12935090.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 0;
}
.cases-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 47, 90, 0.75);
    backdrop-filter: blur(2px);
    z-index: 1;
}
.cases-section .container {
    position: relative;
    z-index: 3;
}
.cases-section .section-header h2,
.cases-section .section-header p {
    color: white;
}
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}
.case-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(4px);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition);
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.case-card:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -10px rgba(0,0,0,0.2);
}
.case-icon {
    background: var(--primary-dark);
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
    transition: transform 0.2s, background 0.2s;
}
.case-card:hover .case-icon {
    transform: scale(1.05);
    background: var(--cta-orange);
}
.case-content h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--gray-900);
}
.case-tag {
    display: inline-block;
    background: var(--primary-dark);
    color: white;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.case-content p {
    color: var(--gray-700);
    font-size: 0.85rem;
    margin-bottom: 8px;
}
.case-link {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
}
.more-cases {
    text-align: center;
    margin-top: 10px;
}
.more-cases .btn-secondary {
    background: transparent;
    border-color: white;
    color: white;
}
.more-cases .btn-secondary:hover {
    background: white;
    color: var(--primary-dark);
}

/* ========== FAQ 常见问题 ========== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.faq-item {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}
.faq-item:hover {
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
}
.faq-q-icon {
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 1.1rem;
}
.faq-question h4 {
    font-size: 1rem;
    font-weight: 600;
}
.faq-answer {
    display: flex;
    gap: 12px;
    color: var(--gray-600);
    font-size: 0.9rem;
}
.faq-a-icon {
    color: var(--accent-green);
    font-weight: 700;
    font-size: 1.1rem;
}
.faq-more {
    text-align: center;
    margin-top: 32px;
}

/* ========== 信任卡片 ========== */
.trust-section {
    background: var(--gray-50);
    padding: 50px 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}
.trust-title {
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 32px;
}
.trust-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.trust-card {
    background: white;
    padding: 24px 12px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.trust-icon {
    font-size: 2.4rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.trust-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}
.trust-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* ========== CTA ========== */
.cta-section {
    padding: 56px 0;
}
.cta-box {
    background: var(--new-cat);
    border-radius: 40px;
    padding: 48px 28px;
    color: white;
    text-align: center;
}
.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}
.cta-box p {
    opacity: 0.9;
    margin-bottom: 28px;
}

/* ========== 页脚 ========== */
.footer {
    background: var(--new-foot);
    color: #CBD5E1;
    padding: 48px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
    gap: 32px;
}
.footer-logo h4 {
    color: white;
    font-size: 1.6rem;
    margin-bottom: 16px;
}
.footer-links h5 {
    color: white;
    margin-bottom: 16px;
}
.footer-links ul {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer a {
    color: #94A3B8;
    text-decoration: none;
    transition: color 0.2s;
}
.footer a:hover {
    color: white;
}
.footer-bottom {
    border-top: 1px solid #334155;
    margin-top: 40px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    color: #64748B;
    font-size: 0.9rem;
}
.social-icons a {
    color: #94A3B8;
    margin-left: 20px;
    font-size: 1.3rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2,1fr); }
    .cases-grid { grid-template-columns: repeat(2,1fr); }
    .trust-grid { grid-template-columns: repeat(3,1fr); }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-grid { flex-direction: column; }
    .hero-stats { justify-content: center; }
    .feature-split { flex-direction: column; }
    .services-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(2,1fr); }
    .faq-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* ========== 双语 & 动画 ========== */
.lang-zh, .lang-en { display: none; }
.lang-demo.zh .lang-zh { display: inline; }
.lang-demo.en .lang-en { display: inline; }
.lang-demo.zh .lang-zh-block { display: block; }
.lang-demo.en .lang-en-block { display: block; }

.floating { animation: float 5s ease-in-out infinite; }
@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
    100% { transform: translateY(0); }
}

/* 页脚微信二维码样式 */
.wechat-qr-row {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}
.qr-item {
    text-align: center;
    flex: 1;
}
.qr-img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 2px solid rgba(255,255,255,0.2);
    background: white;
    padding: 4px;
    display: block;
    margin: 0 auto 4px;
}
.qr-label {
    font-size: 0.7rem;
    color: #94A3B8;
    display: block;
}
@media (max-width: 768px) {
    .qr-img {
        width: 70px;
        height: 70px;
    }
}