/* ========== 按钮通用样式开始 ========== */
.cv-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;
}

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

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

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

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

.cv-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 20px 0;
}

/* ========== 按钮通用样式结束 ========== */

/* ========== 30秒看懂碳核查 / 温室气体清单编制 / 碳盘查样式开始 ========== */
.cv-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;
}

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

.cv-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;
}

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

.cv-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;
}

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

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

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

/* ========== 30秒看懂碳核查 / 温室气体清单编制 / 碳盘查样式结束 ========== */

/* ========== 什么是碳核查、温室气体清单编制和碳盘查开始 ========== */
.cv-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;
}

.cv-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;
}

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

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

.cv-mod2-card strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 什么是碳核查、温室气体清单编制和碳盘查结束 ========== */

/* ========== 为什么企业要先把这项基础工作做好样式开始 ========== */
.cv-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;
}

.cv-mod3-card {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 28px;
}

.cv-mod3-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cv-mod3-card strong {
    color: var(--primary);
    font-weight: 700;
}

/* ========== 为什么企业要先把这项基础工作做好样式结束 ========== */

/* ========== 哪些企业和园区尤其需要这项服务样式开始 ========== */
.cv-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;
}

.cv-mod4-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}

.cv-mod4-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.cv-mod4-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cv-mod4-card ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
}

.cv-mod4-card li {
    margin-bottom: 8px;
    font-size: 0.92rem;
}

/* ========== 哪些企业和园区尤其需要这项服务样式结束 ========== */

/* ========== 这项工作一般怎么开展样式开始 ========== */
.cv-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;
}

.cv-mod5-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;
}

.cv-mod5-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

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

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

/* ========== 这项工作一般怎么开展样式结束 ========== */

/* ========== 企业和园区通常要准备哪些内容样式开始 ========== */
.cv-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;
}

.cv-mod6-card {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 28px;
}

.cv-mod6-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cv-mod6-card ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
}

.cv-mod6-card li {
    margin-bottom: 8px;
    font-size: 0.92rem;
}

/* ========== 企业和园区通常要准备哪些内容样式结束 ========== */

/* ========== 为什么很多企业把这项工作交给世通国际认证样式开始 ========== */
.cv-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;
}

.cv-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;
}

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

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

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

/* ========== 为什么很多企业把这项工作交给世通国际认证样式结束 ========== */

/* ========== AI可直接帮您完成这项工作的第一步样式开始 ========== */
.cv-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;
}

.cv-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;
}

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

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

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

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

/* ========== AI可直接帮您完成这项工作的第一步样式结束 ========== */

/* ========== 数字化支撑，让这项基础工作真正持续跑起来样式开始 ========== */
.cv-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;
}

.cv-mod9-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}

.cv-mod9-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

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

.cv-mod9-card ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
}

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

/* ========== 数字化支撑，让这项基础工作真正持续跑起来样式结束 ========== */

/* ========== 这项服务通常服务于哪些后续工作样式开始 ========== */
.cv-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;
}

.cv-mod10-card {
    background: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin-bottom: 28px;
}

.cv-mod10-card p {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.6;
    font-weight: 450;
}

.cv-mod10-card ul {
    margin-left: 0;
    padding-left: 1.5rem;
    color: var(--text-main);
}

.cv-mod10-card li {
    margin-bottom: 8px;
    font-size: 0.92rem;
}

/* ========== 这项服务通常服务于哪些后续工作样式结束 ========== */

/* ========== 碳核查 / 清单编制 / 碳盘查常见问题样式开始 ========== */
.cv-mod11-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;
}

.cv-mod11-faq {
    max-height: 300px;
    border-radius: var(--radius-md);
    overflow: auto;
    border: 1px solid #e9edf2;
    background: white;
    margin-bottom: 40px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
}

.cv-mod11-item {
    border-bottom: 1px solid #eef2f7;
}

.cv-mod11-item:last-child {
    border-bottom: none;
}

.cv-mod11-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);
}

.cv-mod11-question i {
    transition: transform 0.3s;
    color: var(--primary);
}

.cv-mod11-question.open i {
    transform: rotate(180deg);
}

.cv-mod11-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;
}

.cv-mod11-answer.open {
    max-height: 420px;
    padding: 0 24px 20px 28px;
}

/* ========== 碳核查 / 清单编制 / 碳盘查常见问题样式结束 ========== */

/* ========== 联系区域样式开始 ========== */
.cv-mod12-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;
}

.cv-mod12-contact h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.cv-mod12-contact p {
    margin: 15px 0 25px;
    font-size: 1rem;
}

.cv-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;
}

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

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

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

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

/* ========== 联系区域样式结束 ========== */