/* ========== 按钮通用样式开始 ========== */
.cf-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 26px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.cf-btn-primary {
    background-color: var(--primary);
}

.cf-btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25);
}

.cf-btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.cf-btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.cf-mod7-buttons,
.cf-mod8-buttons,
.cf-mod9-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 20px 0;
}

/* ========== 按钮通用样式结束 ========== */

/* ========== 30秒看懂产品碳足迹与CBAM样式开始 ========== */
.cf-mod1-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod1-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin: 20px 0 48px;
}

.cf-mod1-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #eef2f6;
}

.cf-mod1-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.cf-mod1-icon {
    width: 52px;
    height: 52px;
    background-color: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.cf-mod1-icon i {
    color: var(--primary);
    font-size: 24px;
}

.cf-mod1-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 12px;
}

.cf-mod1-card p {
    font-size: 0.86rem;
    color: var(--text-main);
    line-height: 1.55;
}

/* ========== 30秒看懂产品碳足迹与CBAM样式结束 ========== */

/* ========== 什么是产品碳足迹与CBAM出口合规服务样式开始 ========== */
.cf-mod2-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod2-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}

.cf-mod2-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.cf-mod2-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

/* ========== 什么是产品碳足迹与CBAM出口合规服务样式结束 ========== */

/* ========== 产品碳足迹常见三类核算/采用路径样式开始 ========== */
.cf-mod3-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod3-table-wrapper {
    width: 100%;
    margin: 20px 0;
    overflow-x: auto;
}

.cf-mod3-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    table-layout: fixed;
}

.cf-mod3-table th,
.cf-mod3-table td {
    border: 1px solid #e2e8f0;
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    font-size: 0.86rem;
}

.cf-mod3-table th {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
}

.cf-mod3-table th:first-child {
    width: 20%;
}

.cf-mod3-table th:nth-child(2) {
    width: 20%;
}

.cf-mod3-table th:nth-child(3) {
    width: 18%;
}

.cf-mod3-table th:nth-child(4) {
    width: 22%;
}

.cf-mod3-table th:nth-child(5) {
    width: 20%;
}

.cf-mod3-note {
    font-size: 0.85rem;
    margin: 10px 0 20px 0;
    color: var(--text-main);
}

/* ========== 产品碳足迹常见三类核算/采用路径样式结束 ========== */

/* ========== 产品碳足迹怎么选：模式、范围、标准和因子一张表看清样式开始 ========== */
.cf-mod4-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod4-table-wrapper {
    width: 100%;
    margin: 20px 0;
    overflow-x: auto;
}

.cf-mod4-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    table-layout: fixed;
}

.cf-mod4-table th,
.cf-mod4-table td {
    border: 1px solid #e2e8f0;
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    font-size: 0.86rem;
}

.cf-mod4-table th {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
}

.cf-mod4-table th:first-child {
    width: 25%;
}

.cf-mod4-table th:nth-child(2) {
    width: 35%;
}

.cf-mod4-table th:nth-child(3) {
    width: 40%;
}

.cf-mod4-note {
    font-size: 0.85rem;
    margin: 10px 0 20px 0;
    color: var(--text-main);
}

/* ========== 产品碳足迹怎么选：模式、范围、标准和因子一张表看清样式结束 ========== */

/* ========== 为什么企业要做产品碳足迹样式开始 ========== */
.cf-mod5-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod5-content {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 28px;
}

.cf-mod5-content p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cf-mod5-content strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 为什么企业要做产品碳足迹样式结束 ========== */

/* ========== CBAM申报准备核心字段速览样式开始 ========== */
.cf-mod6-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod6-table-wrapper {
    width: 100%;
    margin: 20px 0;
    overflow-x: auto;
}

.cf-mod6-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    table-layout: fixed;
}

.cf-mod6-table th,
.cf-mod6-table td {
    border: 1px solid #e2e8f0;
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    font-size: 0.86rem;
}

.cf-mod6-table th {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
}

.cf-mod6-table th:first-child {
    width: 25%;
}

.cf-mod6-table th:nth-child(2) {
    width: 45%;
}

.cf-mod6-table th:nth-child(3) {
    width: 30%;
}

.cf-mod6-note {
    font-size: 0.85rem;
    margin: 10px 0 20px 0;
    color: var(--text-main);
}

/* ========== CBAM申报准备核心字段速览样式结束 ========== */

/* ========== 模块7：为什么很多企业把产品碳足迹与CBAM项目交给世通国际认证样式开始 ========== */
.cf-mod7-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod7-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}

.cf-mod7-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.cf-mod7-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cf-mod7-card strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 模块7：为什么很多企业把产品碳足迹与CBAM项目交给世通国际认证样式结束 ========== */

/* ========== 模块8：不想先自己梳理边界和数据？可直接进入智能工具样式开始 ========== */
.cf-mod8-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod8-card {
    background: var(--white);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}

.cf-mod8-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.cf-mod8-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
}

.cf-mod8-card ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
    margin-bottom: 16px;
}

.cf-mod8-card li {
    margin-bottom: 8px;
    font-size: 0.92rem;
}

.cf-mod8-card strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 不想先自己梳理边界和数据？可直接进入智能工具结束 ========== */

/* ========== 产品碳足迹与CBAM一站式服务方案样式开始 ========== */
.cf-mod9-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod9-content {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 28px;
}

.cf-mod9-content p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cf-mod9-content ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
    margin-bottom: 16px;
}

.cf-mod9-content li {
    margin-bottom: 8px;
    font-size: 0.92rem;
}

.cf-mod9-content strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 产品碳足迹与CBAM一站式服务方案样式结束 ========== */

/* ========== 产品碳足迹与CBAM常见问题样式开始 ========== */
.cf-mod10-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 48px 0 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    letter-spacing: -0.3px;
}

.cf-mod10-faq {
    max-height: 300px;
    border-radius: var(--radius-md);
    overflow: auto;
    border: 1px solid #e9edf2;
    background: white;
    margin-bottom: 40px;
}

.cf-mod10-item {
    border-bottom: 1px solid #eef2f7;
}

.cf-mod10-item:last-child {
    border-bottom: none;
}

.cf-mod10-question {
    padding: 18px 24px;
    font-weight: 700;
    font-size: 0.96rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.2s;
    color: var(--text-strong);
}

.cf-mod10-question i {
    transition: transform 0.3s;
    color: var(--primary);
}

.cf-mod10-question.open i {
    transform: rotate(180deg);
}

.cf-mod10-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding: 0 24px;
    font-size: 0.86rem;
    color: var(--text-main);
    line-height: 1.55;
}

.cf-mod10-answer.open {
    max-height: 320px;
    padding: 0 24px 20px 28px;
}

/* ========== 产品碳足迹与CBAM常见问题样式结束 ========== */

/* ========== 联系区域样式开始 ========== */
.cf-mod11-contact {
    background: var(--primary-dark);
    color: #fff;
    text-align: center;
    padding: 52px 24px;
    margin-top: 56px;
    border-radius: 24px;
    margin-left: auto;
    margin-right: auto;
}

.cf-mod11-contact h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.cf-mod11-contact p {
    margin: 15px 0 25px;
    font-size: 1rem;
}

.cf-contact-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 26px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    margin: 8px;
}

.cf-contact-btn-white {
    background: white;
    color: var(--primary);
}

.cf-contact-btn-white:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cf-contact-btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: white;
}

.cf-contact-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* ========== 联系区域样式结束 ========== */