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

        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

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

        /* 导航栏基础样式 */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

/* 导航栏滚动效果 */
.navbar.scrolled {
    background: rgba(102, 126, 234, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 0;
}

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

/* Logo样式 */
.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.logo:hover::before {
    left: 100%;
}

.logo:hover {
    color: #ffd700;
    transform: scale(1.05);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
    font-weight: 500;
    display: block;
}

/* 导航链接悬停效果 */
.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ffd700;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::before {
    width: 80%;
}

.nav-menu a:hover {
    color: #ffd700;
    /*background: rgba(255, 255, 255, 0.1);*/
    transform: translateY(-2px);
}

/* 当前页面激活状态 */
.nav-menu a.active {
    color: #ffd700;
    background: rgba(255, 255, 255, 0.15);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 5px;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.mobile-menu-btn.active {
    transform: rotate(90deg);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-menu a {
        padding: 0.4rem 0.8rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(102, 126, 234, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem 1rem;
        transform: translateY(-100%);
        transition: all 0.3s ease;
        opacity: 0;
        visibility: hidden;
        gap: 1rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        padding: 1rem 2rem;
        border-radius: 10px;
        font-size: 1.1rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu a:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }
    
    .nav-menu a::before {
        display: none;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .navbar {
        padding: 0.8rem 0;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        padding: 1.5rem 1rem;
    }
    
    .nav-menu a {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .mobile-menu-btn {
        font-size: 1.3rem;
        padding: 0.4rem;
    }
}

@media (max-width: 360px) {
    .logo {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        padding: 1rem 0.5rem;
    }
    
    .nav-menu a {
        padding: 0.7rem 1rem;
        font-size: 0.95rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .navbar.scrolled {
        background: rgba(44, 62, 80, 0.95);
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .nav-menu a {
        border: 2px solid transparent;
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        border-color: #ffd700;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    .navbar,
    .nav-menu,
    .logo,
    .mobile-menu-btn {
        transition: none;
    }
    
    .nav-menu a::before {
        transition: none;
    }
}

/* 打印样式 */
@media print {
    .navbar {
        position: static;
        background: none;
        box-shadow: none;
        color: black;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: none;
        flex-direction: row;
        padding: 0;
    }
    
    .nav-menu a {
        color: black;
        background: none;
        border: 1px solid #ccc;
    }
}

/* 焦点样式（可访问性） */
.nav-menu a:focus,
.mobile-menu-btn:focus,
.logo:focus {
    outline: 2px solid #ffd700;
    outline-offset: 2px;
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .nav-menu a:hover {
        transform: none;
    }
    
    .logo:hover {
        transform: none;
    }
    
    .mobile-menu-btn:hover {
        transform: none;
    }
}

/* 导航栏动画效果 */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar {
    animation: slideDown 0.5s ease-out;
}

/* 菜单项动画 */
.nav-menu li {
    animation: fadeInUp 0.6s ease-out;
}

.nav-menu li:nth-child(1) { animation-delay: 0.1s; }
.nav-menu li:nth-child(2) { animation-delay: 0.2s; }
.nav-menu li:nth-child(3) { animation-delay: 0.3s; }
.nav-menu li:nth-child(4) { animation-delay: 0.4s; }
.nav-menu li:nth-child(5) { animation-delay: 0.5s; }
.nav-menu li:nth-child(6) { animation-delay: 0.6s; }
.nav-menu li:nth-child(7) { animation-delay: 0.7s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

        /* 英雄区域 */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 360px 0 80px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .cta-button {
            display: inline-block;
            background: #ffd700;
            color: #333;
            padding: 15px 30px;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: transform 0.3s;
        }

        .cta-button:hover {
            transform: translateY(-3px);
        }

        /* 服务区域 */
        .services {
            padding: 80px 0;
            background: white;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s;
            border: 1px solid #eee;
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-icon {
            font-size: 3rem;
            color: #667eea;
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .service-card p {
            color: #666;
            margin-bottom: 1rem;
        }

        .service-features {
            list-style: none;
            margin-top: 1rem;
        }

        .service-features li {
            padding: 0.5rem 0;
            color: #666;
            position: relative;
            padding-left: 1.5rem;
        }

        .service-features li:before {
            content: "✓";
            color: #667eea;
            font-weight: bold;
            position: absolute;
            left: 0;
        }

        /* 关于我们 · 完整样式（含防重叠对勾与响应式） */
#about {
  padding: 90px 0;
  background: #f6f8ff;
  scroll-margin-top: 90px; /* 锚点不被吸顶导航遮挡 */
}

#about .about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

#about .about-text {
  background: #fff;
  border: 1px solid #eef0f7;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.06);
}

#about .about-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #222;
}

#about .about-text p {
  color: #5f6b7a;
  line-height: 1.8;
  margin-bottom: 12px;
  font-size: 1.02rem;
}

/* 优势清单（防对勾与文字重叠） */
#about .service-features {
  list-style: none;
  margin-top: 10px;
}

#about .service-features li {
  position: relative;
  padding: 8px 0 8px 32px;  /* 留足左侧空间 */
  color: #5f6b7a;
  line-height: 1.8;
  word-break: break-word;
}

#about .service-features li::before {
  content: "✓";
  position: absolute;
  left: 8px;               /* 与文字保持安全间距 */
  top: 50%;
  transform: translateY(-50%);
  color: #667eea;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
}

/* 数据统计 */
#about .stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

#about .stat-item {
  background: #f9faff;
  border: 1px solid #eef0f7;
  border-radius: 12px;
  text-align: center;
  padding: 18px 12px;
}

#about .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#about .stat-label {
  color: #6b7280;
  font-size: 0.95rem;
  margin-top: 6px;
}

/* 响应式 */
@media (max-width: 992px) {
  #about .about-content { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  #about { padding: 70px 0; }
  #about .about-text { padding: 22px; }
  #about .stats { grid-template-columns: repeat(2, 1fr); }
  #about .service-features li { padding-left: 30px; } /* 小屏再微调 */
}

        /* 价格 */
        .pricing {
            padding: 80px 0;
            background: #f8f9fa;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .price-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            text-align: center;
            position: relative;
            transition: transform 0.3s;
        }

        .price-card:hover {
            transform: translateY(-5px);
        }

        .price-card.featured {
            border: 3px solid #667eea;
            transform: scale(1.05);
        }

        .price-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            color: #667eea;
            margin-bottom: 1rem;
        }

        .price-period {
            color: #666;
            font-size: 0.9rem;
        }

        .price-features {
            list-style: none;
            margin: 2rem 0;
        }

        .price-features li {
            padding: 0.5rem 0;
            color: #666;
        }

        .price-button {
            display: inline-block;
            background: #667eea;
            color: white;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 25px;
            transition: background 0.3s;
        }

        .price-button:hover {
            background: #5a6fd8;
        }

        /* 联系我们部分样式 */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.3rem;
    font-weight: 600;
}

.contact-info p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.8;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* 现代页脚样式（外贸之门专用） */
.site-footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #cbd5e1;
    padding: 3rem 0 2rem 0;
    margin-top: 3rem;
}

.site-footer a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer a:hover {
    color: #ffffff;
}

.site-footer .columns {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2rem;
    text-align: center;
}

.site-footer .column h3 {
    color: #ffd700;
    font-weight: 700;
    margin-bottom: 1rem;
}

.site-footer .column p {
    color: #aab4c5;
    line-height: 1.7;
}

.site-footer .link-list,
.site-footer .contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.6rem;
}

.site-footer .qr {
    background: #ffffff;
    padding: 0.75rem;
    border-radius: 12px;
    width: 180px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.25);
    border: 2px solid rgba(255, 215, 0, 0.7);
    margin: 0 auto; /* 水平居中 */
}

.site-footer .qr img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.site-footer .qr-text {
    display: block;
    color: #334155;
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.5rem;
}

.site-footer .bottom-bar {
    border-top: 1px solid rgba(255,255,255,0.12);
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    color: #9aa6b2;
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .site-footer .columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .site-footer .columns {
        grid-template-columns: 1fr;
    }
    .site-footer .qr {
        width: 160px;
    }
}

/* 表单验证样式 */
.form-group input:invalid,
.form-group textarea:invalid {
    border-color: #e74c3c;
}

.form-group input:valid,
.form-group textarea:valid {
    border-color: #27ae60;
}

/* 加载动画 */
.submit-btn:active {
    transform: translateY(0);
}

/* 表单成功提交后的样式 */
.form-success {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
}

/* 错误提示样式 */
.form-error {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

/* 必填项标记 */
.form-group label[for*="name"]::after,
.form-group label[for*="phone"]::after,
.form-group label[for*="email"]::after {
    content: " *";
    color: #e74c3c;
}

/* 联系信息图标样式 */
.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info p::before {
    font-size: 1.2rem;
}

/* 表单组间距优化 */
.form-group:last-child {
    margin-bottom: 0;
}

/* 选择框样式优化 */
.form-group select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    appearance: none;
}

/* 文本域样式优化 */
.form-group textarea {
    font-family: inherit;
    line-height: 1.6;
}

/* 提交按钮加载状态 */
.submit-btn.loading {
    background: #95a5a6;
    cursor: not-allowed;
}

.submit-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 外链服务样式 */
.backlink-services {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.backlink-services .section-title {
    color: white;
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.backlink-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.backlink-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.backlink-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.backlink-card.featured {
    border: 2px solid #ffd700;
    transform: scale(1.05);
}

.backlink-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.backlink-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
    text-align: center;
}

.backlink-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.6;
}

.backlink-features {
    list-style: none;
    margin-bottom: 2rem;
}

.backlink-features li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: 1.5rem;
}

.backlink-features li:before {
    content: "✓";
    color: #ffd700;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.backlink-price {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.backlink-price .price {
    font-size: 2rem;
    font-weight: bold;
    color: #ffd700;
}

.backlink-price .period {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.backlink-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.backlink-stats .stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.backlink-stats .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #ffd700;
    display: block;
}

.backlink-stats .stat-label {
    color: rgba(255, 255, 255, 0.9);
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

.backlink-process {
    margin-top: 4rem;
}

.backlink-process h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: white;
}

.backlink-process .process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.process-step .step-number {
    width: 60px;
    height: 60px;
    background: #ffd700;
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.process-step h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.process-step p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .backlink-grid {
        grid-template-columns: 1fr;
    }
    
    .backlink-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .backlink-process .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .backlink-stats {
        grid-template-columns: 1fr;
    }
    
    .backlink-card {
        padding: 1.5rem;
    }
}


/* 工作流程 · 完整样式 */
#process{
  padding: 90px 0;
  background: #ffffff;
  scroll-margin-top: 90px; /* 锚点不被吸顶导航遮挡 */
}

#process .section-title{
  text-align: center;
  font-size: 2.2rem;
  color: #222;
  margin-bottom: 28px;
}

/* 网格布局：自适应 3/2/1 列 */
#process .process-steps{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px 24px;
  align-items: stretch;
}

/* 单个步骤卡片 */
#process .step{
  background: #fff;
  border: 1px solid #eef0f7;
  border-radius: 16px;
  padding: 22px 20px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
  transition: transform .18s ease, box-shadow .18s ease;
}

#process .step:hover{
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

/* 圆形编号 */
#process .step-number{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg,#667eea,#764ba2);
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(102,126,234,.35);
  margin-bottom: 12px;
}

/* 标题与描述 */
#process .step h3{
  font-size: 1.15rem;
  color: #222;
  margin: 6px 0 8px;
}

#process .step p{
  color: #5f6b7a;
  line-height: 1.8;
}

/* 进度线（可选视觉强化） */
#process .step{
  position: relative;
}
#process .step::after{
  content:"";
  position:absolute;
  left: 22px;                 /* 与圆形编号左缘对齐 */
  top: 56px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg,#e9ecff,transparent 70%);
  opacity:.8;
}
#process .step:last-child::after{ display:none; } /* 最后一个不画线 */

/* 响应式 */
@media (max-width: 992px){
  #process{ padding: 80px 0; }
}
@media (max-width: 600px){
  #process{ padding: 70px 0; }
  #process .step-number{ width: 42px; height: 42px; font-size: 1rem; }
}


/* 成功案例 · 完整样式 */
#portfolio {
  padding: 90px 0;
  background: #f8f9fc;
  scroll-margin-top: 90px;
}

#portfolio .section-title {
  text-align: center;
  font-size: 2.2rem;
  color: #222;
  margin-bottom: 10px;
}

#portfolio .section-subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 28px;
  font-size: 1.02rem;
}

/* 筛选按钮 */
#portfolio .portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

#portfolio .filter-btn {
  padding: 10px 18px;
  border: 2px solid #667eea;
  background: #fff;
  color: #667eea;
  border-radius: 22px;
  cursor: pointer;
  transition: all .2s ease;
  font-weight: 600;
}

#portfolio .filter-btn:hover,
#portfolio .filter-btn.active {
  background: #667eea;
  color: #fff;
}

/* 网格与卡片 */
#portfolio .portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

#portfolio .portfolio-item {
  background: #fff;
  border: 1px solid #eef0f7;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0,0,0,.06);
  transition: transform .18s ease, box-shadow .18s ease;
}

#portfolio .portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0,0,0,.08);
}

/* 图片与悬浮层 */
#portfolio .portfolio-image {
  position: relative;
  height: 220px;                /* 统一卡片高度 */
  overflow: hidden;
}

#portfolio .portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.0);
  transition: transform .35s ease;
}

#portfolio .portfolio-item:hover .portfolio-image img {
  transform: scale(1.06);
}

#portfolio .portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(102,126,234,.85), rgba(118,75,162,.85));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .25s ease;
  padding: 20px;
}

#portfolio .portfolio-item:hover .portfolio-overlay { opacity: 1; }

#portfolio .portfolio-info {
  text-align: center;
  max-width: 86%;
}

#portfolio .portfolio-info h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  font-weight: 700;
}

#portfolio .portfolio-info p {
  font-size: .95rem;
  opacity: .95;
  margin-bottom: 10px;
}

#portfolio .portfolio-stats {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
}

#portfolio .portfolio-stats span {
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.35);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: .85rem;
}

/* 文字区 */
#portfolio .portfolio-details {
  padding: 18px 18px 20px;
}

#portfolio .portfolio-details h3 {
  font-size: 1.15rem;
  color: #222;
  margin-bottom: 8px;
}

#portfolio .portfolio-details p {
  color: #5f6b7a;
  line-height: 1.8;
  margin-bottom: 12px;
}

/* 标签 */
#portfolio .portfolio-tags {
  display: flex; gap: 8px; flex-wrap: wrap;
}

#portfolio .portfolio-tags .tag {
  background: #f0f2ff;
  color: #4b57d0;
  border: 1px solid #e1e5ff;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: .82rem;
  font-weight: 600;
}

/* 小屏优化 */
@media (max-width: 992px) {
  #portfolio { padding: 80px 0; }
  #portfolio .portfolio-image { height: 200px; }
}

@media (max-width: 600px) {
  #portfolio { padding: 70px 0; }
  #portfolio .portfolio-image { height: 180px; }
  #portfolio .section-subtitle { padding: 0 10px; }
}

/* 客户评价样式 */
.testimonials {
    margin-top: 4rem;
}

.testimonials-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content p {
    color: #666;
    line-height: 1.6;
    font-style: italic;
    font-size: 1.1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    color: #333;
    margin-bottom: 0.2rem;
}

.author-info p {
    color: #666;
    font-size: 0.9rem;
}

.testimonial-rating {
    margin-left: auto;
    color: #ffd700;
    font-size: 1.2rem;
}

/* 案例统计 */
.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.portfolio-stats .stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.portfolio-stats .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    display: block;
}

.portfolio-stats .stat-label {
    color: #666;
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .portfolio-stats {
        grid-template-columns: 1fr;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-rating {
        margin-left: 0;
        margin-top: 1rem;
    }
}

/* 动画效果 */
.portfolio-item {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 二维码样式 */
.qr-code-container {
    text-align: center;
    margin: 1rem 0;
}

.qr-code {
    width: 220px;
    height: 220px;
    border-radius: 10px;
    border: 3px solid #ffd700;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.qr-code:hover {
    transform: scale(1.05);
}

.qr-code-text {
    color: #ccc;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .qr-code {
        width: 100px;
        height: 100px;
    }
    
    .qr-code-text {
        font-size: 0.8rem;
    }
}



.floating-tools {
  position: fixed;
  right: 20px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1200;
}

.floating-tools .tool-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: #667eea;
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(102,126,234,0.35);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}

.floating-tools .tool-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(102,126,234,0.45);
  background: #5567d9;
}

/* 返回顶部按钮的显示控制 */
.floating-tools .to-top { opacity: 0; pointer-events: none; }
.floating-tools .to-top.show { opacity: 1; pointer-events: auto; }

/* 微信二维码弹层 */
.wechat-popover {
  position: absolute;
  right: 60px;
  bottom: 0;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  width: 200px;
  display: none;
}

.wechat-popover.is-open { display: block; }

.wechat-popover img { width: 100%; height: auto; border-radius: 8px; display: block; }
.wechat-popover .wx-text { text-align: center; color: #333; font-size: .9rem; margin-top: 6px; }

@media (max-width: 480px){
  .floating-tools .tool-btn { width: 44px; height: 44px; font-size: 18px; }
  .wechat-popover { right: 52px; width: 180px; }
}


/* CTA 专区：供应链合作 */
#cta {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, #667eea 0%, #5a3fa2 100%);
  color: #fff;
  scroll-margin-top: 90px; /* 防止锚点被吸顶导航遮挡 */
}

#cta .section-title {
  color: #fff;
  margin-bottom: 1rem;
}

#cta p {
  max-width: 760px;
  margin: 0 auto 1.8rem;
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  line-height: 1.8;
}

#cta .cta-button {
  background: #ffd700;
  color: #333;
  padding: 14px 34px;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
  transition: transform .2s ease, box-shadow .2s ease, background .2s;
}

#cta .cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.22);
  background: #f5c400;
}

@media (max-width: 768px) {
  #cta { padding: 80px 0; }
  #cta p { font-size: 1rem; padding: 0 12px; }
}


/* 全屏宽 strip */
.fw-strip{
  width:100vw;
  margin-left:calc(50% - 50vw);
  background:#fff;
  --per-view:8; /* 一屏显示数量：改为6/8等 */
}
@media (max-width: 1280px){ .fw-strip{ --per-view:6; } }
@media (max-width: 992px){ .fw-strip{ --per-view:4; } }
@media (max-width: 600px){ .fw-strip{ --per-view:2; } }

.strip-wrapper{
  position:relative;
  overflow:hidden;
}

.strip-track{
  display:flex;
  will-change:transform;
  transition:transform .45s ease;
}

.strip-item{
  flex:0 0 calc(100% / var(--per-view));
}
.strip-item img{
  width:100%;
  height:160px;          
  object-fit:cover;
  display:block;
}

/* 左右按钮 */
.strip-btn{
  position:absolute; top:50%; transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;border:0;
  background:rgba(102,126,234,.95); color:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer; box-shadow:0 8px 20px rgba(102,126,234,.35); z-index:2;
}
.strip-btn.prev{ left:8px; }
.strip-btn.next{ right:8px; }
.strip-btn:hover{ background:#5567d9; }




/* 外贸全景 · 非卡片式 */
#overview.overview-plain{ padding:80px 0; background:#fff; }
#overview.overview-plain .ov-title{ text-align:center; font-size:2.1rem; color:#222; margin-bottom:6px; }
#overview.overview-plain .ov-sub{ text-align:center; color:#6b7280; margin-bottom:24px; }

#overview.overview-plain .ov-layout{
  display:grid; grid-template-columns: minmax(0,2fr) minmax(0,1fr); gap:28px;
}
#overview.overview-plain .ov-main{ }
#overview.overview-plain .ov-side{ display:grid; gap:22px; }

/* 标题样式（左侧彩色竖条，不用卡片边框） */
#overview.overview-plain .ov-h3{
  display:flex; align-items:center; gap:10px;
  font-size:1.2rem; color:#222; margin:4px 0 10px;
}
#overview.overview-plain .ov-bullet{
  width:6px; height:22px; border-radius:3px;
  background:linear-gradient(135deg,#667eea,#764ba2);
  flex:0 0 auto;
}
#overview.overview-plain .ov-h4{ font-size:1rem; color:#374151; margin:12px 0 6px; }

#overview.overview-plain .ov-lead{ color:#5f6b7a; margin-bottom:10px; }
#overview.overview-plain .ov-list{ list-style:none; margin:0; padding:0; }
#overview.overview-plain .ov-list li{
  position:relative; padding:8px 0 8px 26px; color:#5f6b7a; line-height:1.8;
}
#overview.overview-plain .ov-list li::before{
  content:"✓"; position:absolute; left:6px; top:50%; transform:translateY(-50%);
  color:#667eea; font-weight:700; font-size:16px; line-height:1;
}
#overview.overview-plain .ov-list.small li{ padding-left:24px; font-size:.95rem; }

/* 右侧区块之间的细分隔（非卡片） */
#overview.overview-plain .ov-block{ padding-bottom:12px; border-bottom:1px solid #eef0f7; }
#overview.overview-plain .ov-block:last-child{ border-bottom:none; }

#overview.overview-plain .ov-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:8px; }
#overview.overview-plain .tag{
  background:#f0f2ff; color:#4b57d0; border:1px solid #e1e5ff;
  padding:3px 10px; border-radius:14px; font-size:.82rem; font-weight:600;
}

/* 按钮（与站点主题一致） */
#overview.overview-plain .ov-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }
#overview.overview-plain .ov-btn{
  display:inline-block; background:#667eea; color:#fff; text-decoration:none;
  padding:10px 16px; border-radius:10px; font-weight:700;
  box-shadow:0 4px 12px rgba(102,126,234,.25);
  transition:background .2s ease, transform .1s ease, box-shadow .2s ease;
}
#overview.overview-plain .ov-btn:hover{ background:#5567d9; transform:translateY(-1px); box-shadow:0 6px 16px rgba(102,126,234,.35); }
#overview.overview-plain .ov-btn.ghost{ background:#fff; color:#667eea; border:2px solid #667eea; box-shadow:none; }
#overview.overview-plain .ov-btn.ghost:hover{ background:#667eea; color:#fff; }

/* 响应式 */
@media (max-width: 992px){
  #overview.overview-plain{ padding:72px 0; }
  #overview.overview-plain .ov-layout{ grid-template-columns: 1fr; }
}
@media (max-width: 600px){
  #overview.overview-plain{ padding:64px 0; }
  #overview.overview-plain .ov-list li{ padding-left:28px; }
}

/* 端到端流程（#flow） */
#flow{
  padding: 90px 0;
  background: #fff;
  scroll-margin-top: 90px;
}

#flow .section-title{
  text-align: center;
  font-size: 2.2rem;
  color: #222;
  margin-bottom: 28px;
}

/* 自适应 3/2/1 列 */
#flow .process-steps{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px 24px;
  align-items: stretch;
}

#flow .step{
  background: #fff;
  border: 1px solid #eef0f7;
  border-radius: 16px;
  padding: 22px 20px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
  transition: transform .18s ease, box-shadow .18s ease;
  position: relative;
}

#flow .step:hover{
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

/* 圆形编号 */
#flow .step-number{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg,#667eea,#764ba2);
  color:#fff;
  font-weight: 800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  box-shadow:0 6px 16px rgba(102,126,234,.35);
  margin-bottom:12px;
}

#flow .step h3{
  font-size:1.15rem;
  color:#222;
  margin:6px 0 8px;
}

#flow .step p{
  color:#5f6b7a;
  line-height:1.8;
}

/* 竖向装饰线（可删） */
#flow .step::after{
  content:"";
  position:absolute;
  left:22px;
  top:56px;
  bottom:16px;
  width:2px;
  background: linear-gradient(180deg,#e9ecff,transparent 70%);
  opacity:.8;
}
#flow .step:last-child::after{ display:none; }

/* 响应式 */
@media (max-width: 992px){
  #flow{ padding: 80px 0; }
}
@media (max-width: 600px){
  #flow{ padding: 70px 0; }
  #flow .step-number{ width:42px; height:42px; font-size:1rem; }
}


/* 外贸角色与协同页面 - 主要内容样式 */
/* 内容区块样式 */
.section {
    background: white;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid #e9ecef;
}

.section h2 {
    color: #1e3c72;
    font-size: 2rem;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid #e3f2fd;
    position: relative;
    font-weight: 600;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: #2196f3;
    border-radius: 2px;
}

.section h3 {
    color: #2a5298;
    font-size: 1.4rem;
    margin: 25px 0 15px 0;
    font-weight: 600;
}

.section p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.section ul {
    margin: 20px 0;
    padding-left: 20px;
}

.section li {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #555;
}

.section strong {
    color: #1e3c72;
    font-weight: 600;
}

/* 角色网格布局 */
.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

/* 角色卡片样式 */
.role-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    border-left: 4px solid #2196f3;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2196f3, #21cbf3);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.role-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(33, 150, 243, 0.15);
    background: white;
}

.role-card:hover::before {
    transform: scaleX(1);
}

.role-card h4 {
    color: #1e3c72;
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
}

.role-card .icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #2196f3, #21cbf3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(33, 150, 243, 0.3);
}

.role-card ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.role-card li {
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
    position: relative;
    padding-left: 25px;
    margin: 0;
    transition: all 0.3s ease;
}

.role-card li:last-child {
    border-bottom: none;
}

.role-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
    font-size: 16px;
    background: #e8f5e8;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.role-card:hover li::before {
    background: #28a745;
    color: white;
    transform: scale(1.1);
}

/* 工作流程样式 */
.workflow {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
    padding: 50px 40px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

.workflow::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.workflow h3 {
    color: white;
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.8rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
    position: relative;
    z-index: 1;
}

.step {
    text-align: center;
    flex: 1;
    min-width: 160px;
    transition: transform 0.3s ease;
}

/* 业务流程样式 */
.business-flow {
    padding: 2rem 0;
}

.business-flow h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 2.5rem;
    position: relative;
}

.business-flow h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

.business-flow-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.flow-step {
    flex: 1;
    min-width: 180px;
    max-width: 200px;
    text-align: center;
    padding: 1.5rem 1rem;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e8f4fd;
    transition: all 0.3s ease;
    position: relative;
}

.flow-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(52, 152, 219, 0.15);
    border-color: #3498db;
}

.flow-step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 auto 1rem;
    position: relative;
    z-index: 2;
}

.flow-step-number::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

.flow-step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.flow-step-desc {
    font-size: 0.9rem;
    color: #7f8c8d;
    line-height: 1.4;
    margin: 0;
}

/* 连接线样式 */
.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -1rem;
    width: 2rem;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #bdc3c7);
    transform: translateY(-50%);
}

.flow-step:not(:last-child)::before {
    /*content: '→';*/
    position: absolute;
    top: 50%;
    right: -0.5rem;
    color: #3498db;
    font-size: 1.2rem;
    font-weight: bold;
    transform: translateY(-50%);
    z-index: 3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .business-flow-steps {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .flow-step {
        min-width: 280px;
        max-width: 320px;
    }
    
    .flow-step:not(:last-child)::after,
    .flow-step:not(:last-child)::before {
        display: none;
    }
    
    .business-flow h3 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .flow-step {
        min-width: 250px;
        max-width: 280px;
        padding: 1.2rem 0.8rem;
    }
    
    .flow-step-number {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .flow-step-title {
        font-size: 1rem;
    }
    
    .flow-step-desc {
        font-size: 0.85rem;
    }
}


.step-number {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.4rem;
    font-weight: bold;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    /*background: rgba(255,255,255,0.3);*/
    border-color: rgba(255,255,255,0.5);
    transform: scale(1.1);
}

.step-title {
    font-weight: bold;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.step-desc {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.4;
}

/* 协同提示样式 */
.collaboration-tips {
    background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 100%);
    border-radius: 12px;
    padding: 35px;
    margin: 40px 0;
    border-left: 5px solid #28a745;
    position: relative;
    overflow: hidden;
}

.collaboration-tips::before {
    content: '💡';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 80px;
    opacity: 0.1;
    transform: rotate(15deg);
}

.collaboration-tips h4 {
    color: #155724;
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 600;
}

.tips-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.tips-list li {
    padding: 12px 0;
    position: relative;
    padding-left: 30px;
    margin: 0;
    border-bottom: 1px solid rgba(40, 167, 69, 0.2);
    transition: all 0.3s ease;
}

.tips-list li:last-child {
    border-bottom: none;
}

.tips-list li::before {
    content: '💡';
    position: absolute;
    left: 0;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.tips-list li:hover::before {
    transform: scale(1.2) rotate(10deg);
}

.tips-list li:hover {
    padding-left: 35px;
    color: #0f5132;
}

/* 行动召唤区域 */
.cta-section {
    text-align: center;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    border-radius: 16px;
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.cta-section h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 2rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.cta-section p {
    color: rgba(255,255,255,0.95);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #ee5a24;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin-top: 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
    background: transparent;
    color: white;
    border-color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .roles-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .workflow-steps {
        gap: 20px;
    }
    
    .step {
        min-width: 140px;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 40px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 25px;
        margin-bottom: 30px;
    }
    
    .section h2 {
        font-size: 1.6rem;
    }
    
    .roles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .role-card {
        padding: 25px;
    }
    
    .workflow {
        padding: 35px 25px;
    }
    
    .workflow-steps {
        flex-direction: column;
        gap: 25px;
    }
    
    .step {
        min-width: auto;
        width: 100%;
    }
    
    .cta-section {
        padding: 40px 25px;
    }
    
    .cta-section h3 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 20px;
    }
    
    .role-card {
        padding: 20px;
    }
    
    .workflow {
        padding: 25px 20px;
    }
    
    .collaboration-tips {
        padding: 25px 20px;
    }
    
    .cta-section {
        padding: 30px 20px;
    }
}

/* 打印样式 */
@media print {
    .main-content {
        background: white;
        padding: 20px 0;
    }
    
    .section {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .cta-section {
        background: #f8f9fa !important;
        color: #333 !important;
    }
    
    .cta-button {
        display: none;
    }
}



    /* 新手必备清单页面专用样式 */
    .overview-plain {
      padding: 80px 0;
      background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    }

    .ov-title {
      text-align: center;
      color: #1e3c72;
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .ov-sub {
      text-align: center;
      color: #6c757d;
      font-size: 1.2rem;
      margin-bottom: 60px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .ov-layout {
      display: grid;
      grid-template-columns: 1fr 400px;
      gap: 60px;
      align-items: start;
    }

    .ov-main h3 {
      color: #2a5298;
      font-size: 1.6rem;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .ov-bullet {
      width: 12px;
      height: 12px;
      background: #2196f3;
      border-radius: 50%;
      display: inline-block;
    }

    .ov-lead {
      color: #495057;
      font-size: 1.1rem;
      line-height: 1.6;
      margin-bottom: 25px;
    }

    .ov-list {
      list-style: none;
      padding: 0;
      margin: 0 0 30px 0;
    }

    .ov-list li {
      padding: 12px 0;
      border-bottom: 1px solid #e9ecef;
      color: #555;
      line-height: 1.6;
      position: relative;
      padding-left: 25px;
    }

    .ov-list li:last-child {
      border-bottom: none;
    }

    .ov-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: #28a745;
      font-weight: bold;
    }

    .ov-list.small li {
      padding: 8px 0;
      font-size: 0.95rem;
    }

    .ov-h4 {
      color: #1e3c72;
      font-size: 1.3rem;
      margin: 30px 0 20px 0;
      font-weight: 600;
    }

    .ov-actions {
      display: flex;
      gap: 20px;
      margin-top: 30px;
    }

    .ov-btn {
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .ov-btn:first-child {
      background: #2196f3;
      color: white;
    }

    .ov-btn:first-child:hover {
      background: #1976d2;
      transform: translateY(-2px);
    }

    .ov-btn.ghost {
      background: transparent;
      color: #2196f3;
      border-color: #2196f3;
    }

    .ov-btn.ghost:hover {
      background: #2196f3;
      color: white;
    }

    .ov-side {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .ov-block {
      background: white;
      border-radius: 12px;
      padding: 30px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.08);
      border: 1px solid #e9ecef;
    }

    .ov-block h3 {
      color: #2a5298;
      font-size: 1.3rem;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ov-block .ov-bullet {
      width: 10px;
      height: 10px;
      background: #ff6b6b;
    }

    .ov-block ul {
      list-style: none;
      padding: 0;
      margin: 0 0 20px 0;
    }

    .ov-block li {
      padding: 8px 0;
      color: #555;
      line-height: 1.5;
      font-size: 0.95rem;
    }

    .ov-block b {
      color: #1e3c72;
      font-weight: 600;
    }

    .ov-block i {
      color: #dc3545;
      font-style: italic;
    }

    .ov-tags {
      display: flex;
      gap: 10px;
    }

    .tag {
      padding: 6px 12px;
      background: #e3f2fd;
      color: #1976d2;
      border-radius: 15px;
      font-size: 0.85rem;
      font-weight: 500;
    }

    /* 流程步骤样式 */
    .process {
      padding: 80px 0;
      background: white;
    }

    .section-title {
      text-align: center;
      color: #1e3c72;
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 60px;
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .step {
      background: #f8f9fa;
      border-radius: 12px;
      padding: 30px;
      text-align: center;
      border-left: 4px solid #2196f3;
      transition: all 0.3s ease;
    }

    

    .step-number {
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, #2196f3, #21cbf3);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: white;
      font-size: 1.5rem;
      font-weight: bold;
    }

    .step h3 {
      color: #1e3c72;
      font-size: 1.3rem;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .step p {
      color: #555;
      line-height: 1.6;
      margin: 0;
    }

    /* 服务卡片样式 */
    .services {
      padding: 80px 0;
      background: #f8f9fa;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
    }

    .service-card {
      background: white;
      border-radius: 12px;
      padding: 30px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.08);
      border: 1px solid #e9ecef;
      transition: all 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    }

    .service-card h3 {
      color: #1e3c72;
      font-size: 1.3rem;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .service-card p {
      color: #555;
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .service-card details {
      margin-bottom: 15px;
    }

    .service-card summary {
      color: #2a5298;
      font-weight: 600;
      cursor: pointer;
      padding: 10px 0;
      border-bottom: 1px solid #e9ecef;
      transition: color 0.3s ease;
    }

    .service-card summary:hover {
      color: #2196f3;
    }

    .service-features {
      list-style: none;
      padding: 15px 0 0 0;
      margin: 0;
    }

    .service-features li {
      padding: 8px 0;
      color: #555;
      line-height: 1.5;
      position: relative;
      padding-left: 20px;
    }

    .service-features li::before {
      content: '•';
      position: absolute;
      left: 0;
      color: #2196f3;
      font-weight: bold;
    }

    /* 行动召唤按钮 */
    .cta-button {
      display: inline-block;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 18px 45px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1rem;
      transition: all 0.3s ease;
      box-shadow: 0 8px 25px rgba(0,0,0,0.15);
      border: 2px solid transparent;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(0,0,0,0.25);
      background: transparent;
      color: #ffffff;
      border-color: #667eea;
    }

    /* 响应式设计 */
    @media (max-width: 1024px) {
      .ov-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      
      .ov-side {
        order: -1;
      }
    }

    @media (max-width: 768px) {
      .overview-plain,
      .process,
      .services {
        padding: 60px 0;
      }

      .ov-title,
      .section-title {
        font-size: 2rem;
      }

      .ov-sub {
        font-size: 1.1rem;
        margin-bottom: 40px;
      }

      .ov-actions {
        flex-direction: column;
        gap: 15px;
      }

      .ov-btn {
        text-align: center;
      }

      .process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .step,
      .service-card {
        padding: 25px;
      }
    }

    @media (max-width: 480px) {
      .overview-plain,
      .process,
      .services {
        padding: 40px 0;
      }

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

      .ov-block,
      .step,
      .service-card {
        padding: 20px;
      }
    }

    /* 了解更多按钮样式 */
.card-actions {
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #e8e8e8;
}

.learn-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
  border: none;
  cursor: pointer;
  margin: 4px;
}

.learn-more-btn:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  color: white;
  text-decoration: none;
}

.learn-more-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

.learn-more-btn i {
  font-size: 12px;
  opacity: 0.9;
}

/* 按钮组样式 - 当有多个按钮时 */
.card-actions .learn-more-btn + .learn-more-btn {
  margin-left: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .card-actions {
    text-align: center;
  }
  
  .learn-more-btn {
    padding: 10px 18px;
    font-size: 13px;
    margin: 4px 2px;
  }
  
  /* 移动端按钮堆叠 */
  .card-actions .learn-more-btn {
    display: block;
    margin: 8px auto;
    max-width: 200px;
  }
}

/* 不同主题的按钮变体 */
.learn-more-btn.primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.learn-more-btn.secondary {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.learn-more-btn.success {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.learn-more-btn.warning {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* 按钮禁用状态 */
.learn-more-btn:disabled,
.learn-more-btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: #ccc;
}

.learn-more-btn:disabled:hover,
.learn-more-btn.disabled:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* 按钮加载状态 */
.learn-more-btn.loading {
  position: relative;
  color: transparent;
}

.learn-more-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 按钮焦点状态（无障碍访问） */
.learn-more-btn:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* 按钮组容器样式优化 */
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
  align-items: center;
}

/* 卡片内容区域调整 */
.service-card {
  display: flex;
  flex-direction: column;
}

.service-card .service-features {
  flex: 1;
  margin-bottom: 0;
}

/* 确保按钮在卡片底部 */
.service-card .card-actions {
  margin-top: auto;
  padding-top: 15px;
}

/* 悬停效果增强 */
.service-card:hover .learn-more-btn {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* 按钮图标动画 */
.learn-more-btn:hover i {
  transform: translateX(2px);
  transition: transform 0.3s ease;
}

/* 按钮点击波纹效果 */
.learn-more-btn {
  position: relative;
  overflow: hidden;
}

.learn-more-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.learn-more-btn:active::before {
  width: 300px;
  height: 300px;
}