@charset "utf-8";


/* ======================== 服务 Banner ======================== */
.service-header {
	width: 100%;
	height: 400px;
	background: linear-gradient(rgba(0, 102, 179, 0.8), rgba(0, 102, 179, 0.8)), url('../img/fw_banner.jpg');
	background-size: cover;
	background-position: center;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	text-align: center;
}
.service-header h1 {
	font-size: clamp(2.5rem, 5vw, 3.5rem);
	font-weight: bold;
	margin-bottom: 20px;
}
.service-header p {
	font-size: 1.2rem;
	opacity: 0.9;
	max-width: 800px;
	margin: 0 auto;
}

.section-title {
	font-size: 2.5rem;
	font-weight: bold;
	color: #333;
	text-align: center;
	margin-bottom: 80px;
}


/* =================   公共部分  =================== */

.product-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a3c6e;
    margin-bottom: 20px;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 12px;
}

.product-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: #1a73e8;
    border-radius: 2px;
}

/* ============================================================
   塑料滤砖（新增模块）
   与 AFM 各模块风格完全统一
   ============================================================ */

.plastic-filter-brick {
    padding: 60px 0 0px;
    background: #ffffff;
}

.plastic-filter-brick-wrap {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 60px;
    align-items: center;
}

/* ---- 左右宽度分配 ---- */
.plastic-filter-brick-left {
    flex: 0 0 55%;
    max-width: 55%;
}

.plastic-filter-brick-right {
    flex: 0 0 40%;
    max-width: 40%;
}

/* ===== 左侧：文字 ===== */
.brick-desc {
    margin-bottom: 24px;
}

.brick-desc p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
	text-indent: 2em;
	text-align: justify;
}

.brick-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue-deep);
    margin: 0 0 14px 0;
    position: relative;
    padding-left: 14px;
}

.brick-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* ===== 右侧：图片 ===== */
.brick-img {
    text-align: center;
}

.brick-img img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10);
    display: inline-block;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 1024px) {
    .plastic-filter-brick-wrap {
        flex-direction: column;
        gap: 40px;
    }

    .plastic-filter-brick-left,
    .plastic-filter-brick-right {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .brick-img img {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .plastic-filter-brick {
        padding: 40px 0 0px;
    }

    .brick-desc p {
        font-size: 14px;
    }

    .brick-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .plastic-filter-brick {
        padding: 30px 0 0px;
    }

    .brick-desc p {
        font-size: 13px;
    }

    .brick-subtitle {
        font-size: 15px;
        padding-left: 12px;
    }
}

/* ============================================================
   技术参数（新增模块）
   与 plastic-filter-brick / afm-features 风格完全统一
   ============================================================ */

.tech-parameters {
    padding: 60px 0 0px;
    background: #ffffff;
}

.tech-parameters-wrap {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 60px;
    align-items: stretch;
}

/* ---- 左右宽度分配 ---- */
.tech-parameters-left {
    flex: 0 0 45%;
    max-width: 45%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-parameters-right {
    flex: 0 0 50%;
    max-width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ===== 左侧：图片 + 说明 ===== */
.tech-img {
    text-align: center;
    margin-bottom: 20px;
}

.tech-img img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: inline-block;
}

.tech-desc p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
	text-indent: 2em;
	text-align: justify;
}

/* ===== 右侧：参数网格 ===== */
.params-grid {
    display: flex;
    flex-direction: column;
    border: 1px solid #2e74b5;
    border-radius: 8px;
    overflow: hidden;
}

.params-row {
    display: flex;
    flex-direction: row;
    border-bottom: 1px solid #2e74b5;
}

.params-row:last-child {
    border-bottom: none;
}

.params-label {
    flex: 0 0 130px;
    padding: 12px 18px;
    background: #f2f6fc;
    font-weight: 600;
    font-size: 14px;
    color: var(--primary-blue-deep);
    border-right: 1px solid #2e74b5;
    display: flex;
    align-items: center;
}

.params-value {
    flex: 1;
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text-dark);
    background: #ffffff;
    display: flex;
    align-items: center;
    line-height: 1.6;
}

/* 斑马纹：参数值部分隔行变色 */
.params-row:nth-child(even) .params-value {
    background: #f8fafc;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 1024px) {
    .tech-parameters-wrap {
        flex-direction: column;
        gap: 40px;
    }

    .tech-parameters-left,
    .tech-parameters-right {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .tech-img img {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .tech-parameters {
        padding: 40px 0 0px;
    }

    .tech-desc p {
        font-size: 14px;
    }

    .params-label {
        flex: 0 0 100px;
        padding: 10px 14px;
        font-size: 13px;
    }

    .params-value {
        padding: 10px 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .tech-parameters {
        padding: 30px 0 0px;
    }

    .tech-desc p {
        font-size: 13px;
    }

    .params-row {
        flex-wrap: wrap;
    }

    .params-label {
        flex: 0 0 100%;
        border-right: none;
        border-bottom: 1px solid #2e74b5;
        padding: 8px 14px;
        font-size: 13px;
        background: #eef3f9;
    }

    .params-value {
        padding: 8px 14px;
        font-size: 13px;
    }

    .params-row:nth-child(even) .params-value {
        background: #ffffff;
    }
}


/* ============================================================
   塑料滤砖的特点（新增模块）
   与 plastic-filter-brick / tech-parameters 风格完全统一
   ============================================================ */

.brick-features {
    padding: 60px 0 0px;
    background: #ffffff;
}

.brick-features .product-title {
    margin-bottom: 30px;
}

.brick-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
}

.brick-features-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 12px 20px;
    border-left: 3px solid var(--primary-blue);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brick-features-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.brick-features-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-blue-deep);
    margin: 0 0 6px 0;
    position: relative;
    padding-left: 18px;
}

.brick-features-title::before {
    content: '◆';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-blue);
    font-size: 12px;
}

.brick-features-item p {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
    text-align: justify;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 768px) {
    .brick-features {
        padding: 40px 0 0px;
    }

    .brick-features .product-title {
        margin-bottom: 24px;
    }

    .brick-features-list {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .brick-features-item {
        padding: 10px 16px;
    }

    .brick-features-title {
        font-size: 14px;
    }

    .brick-features-item p {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .brick-features {
        padding: 30px 0 0px;
    }

    .brick-features .product-title {
        margin-bottom: 18px;
    }

    .brick-features-list {
        gap: 12px;
    }

    .brick-features-item {
        padding: 12px 14px;
    }

    .brick-features-title {
        font-size: 13px;
    }

    .brick-features-item p {
        font-size: 12px;
        line-height: 1.6;
    }
}


/* ============================================================
   均匀分配水&气（新增模块）
   与 plastic-filter-brick / tech-parameters 风格完全统一
   ============================================================ */

.uniform-distribution {
    padding: 60px 0 0px;
    background: #ffffff;
}

.uniform-distribution-wrap {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 60px;
    align-items: center;
}

/* ---- 左右宽度分配 ---- */
.uniform-distribution-left {
    flex: 0 0 40%;
    max-width: 40%;
}

.uniform-distribution-right {
    flex: 0 0 55%;
    max-width: 55%;
}

/* ===== 左侧：图片 ===== */
.uniform-img {
    text-align: center;
}

.uniform-img img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10);
    display: inline-block;
}

/* ===== 右侧：列表 ===== */
.uniform-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.uniform-list li {
    position: relative;
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 3px solid var(--primary-blue);
    text-align: justify;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 1024px) {
    .uniform-distribution-wrap {
        flex-direction: column;
        gap: 40px;
    }

    .uniform-distribution-left,
    .uniform-distribution-right {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .uniform-img img {
        max-width: 60%;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .uniform-distribution {
        padding: 40px 0 0px;
    }

    .uniform-list {
        gap: 12px;
    }

    .uniform-list li {
        font-size: 13px;
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .uniform-distribution {
        padding: 30px 0 0px;
    }

    .uniform-list {
        gap: 10px;
    }

    .uniform-list li {
        font-size: 12px;
        padding: 8px 12px;
        line-height: 1.6;
    }
}


/* ============================================================
   安装简单 反洗彻底（新增模块）
   与 brick-features / uniform-distribution 风格完全统一
   ============================================================ */

.install-cleaning {
    padding: 60px 0 0px;
    background: #ffffff;
}

.install-cleaning .product-title {
    margin-bottom: 30px;
}

.install-cleaning-wrap {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 40px;
    align-items: stretch;
}

/* ---- 左右两列 ---- */
.install-cleaning-item {
    flex: 0 0 calc(50% - 20px);
    max-width: calc(50% - 20px);
    background: #f8fafc;
    border-radius: 10px;
    padding: 24px 24px 28px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.install-cleaning-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
}

/* ===== 图片 ===== */
.install-cleaning-img {
    text-align: center;
    margin-bottom: 16px;
}

.install-cleaning-img img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: inline-block;
}

/* ===== 副标题 ===== */
.install-cleaning-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue-deep);
    margin: 0 0 12px 0;
    position: relative;
    padding-left: 14px;
}

.install-cleaning-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* ===== 列表 ===== */
.install-cleaning-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.install-cleaning-list li {
    position: relative;
    padding: 4px 0 4px 20px;
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
    text-align: justify;
}

.install-cleaning-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--primary-blue);
    font-size: 12px;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 768px) {
    .install-cleaning {
        padding: 40px 0 0px;
    }

    .install-cleaning .product-title {
        margin-bottom: 24px;
    }

    .install-cleaning-wrap {
        flex-direction: column;
        gap: 24px;
    }

    .install-cleaning-item {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 20px 20px 24px;
    }

    .install-cleaning-subtitle {
        font-size: 16px;
    }

    .install-cleaning-list li {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .install-cleaning {
        padding: 30px 0 0px;
    }

    .install-cleaning .product-title {
        margin-bottom: 18px;
    }

    .install-cleaning-item {
        padding: 16px 16px 20px;
    }

    .install-cleaning-img {
        margin-bottom: 12px;
    }

    .install-cleaning-subtitle {
        font-size: 15px;
        margin-bottom: 8px;
        padding-left: 12px;
    }

    .install-cleaning-list {
        gap: 6px;
    }

    .install-cleaning-list li {
        font-size: 12px;
        padding: 3px 0 3px 18px;
        line-height: 1.6;
    }

    .install-cleaning-list li::before {
        font-size: 10px;
        top: 3px;
    }
}


/* ============================================================
   多孔性滤材支撑板 & 应用场景（新增模块）
   与 plastic-filter-brick / tech-parameters 风格完全统一
   ============================================================ */

.application-scene {
    padding: 60px 0 60px;
    background: #ffffff;
}

.application-scene-wrap {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 60px;
    align-items: stretch;
}

/* ---- 左右宽度分配 ---- */
.application-scene-left {
    flex: 0 0 40%;
    max-width: 40%;
    display: flex;
    flex-direction: column;
}

.application-scene-right {
    flex: 0 0 55%;
    max-width: 55%;
    display: flex;
    flex-direction: column;
}

/* ===== 左侧：支撑板 ===== */
.scene-desc {
    margin-bottom: 16px;
}

.scene-desc p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    text-align: justify;
    text-indent: 2em;
}

.scene-img {
    text-align: center;
}

.scene-img img {
    max-width: 80%;
    max-height: 430px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: inline-block;
    object-fit: contain;
}

/* ===== 右侧：应用场景 ===== */
.scene-big-img {
    text-align: center;
    margin-bottom: 16px;
}

.scene-big-img img {
    max-width: 100%;
    max-height: 350px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: inline-block;
    object-fit: contain;
}

.scene-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scene-list li {
    position: relative;
    padding: 12px 18px 12px 32px;
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 3px solid var(--primary-blue);
    text-align: justify;
}

.scene-list li::before {
    content: '●';
    position: absolute;
    left: 12px;
    top: 12px;
    color: var(--primary-blue);
    font-size: 14px;
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 1024px) {
    .application-scene-wrap {
        flex-direction: column;
        gap: 40px;
    }

    .application-scene-left,
    .application-scene-right {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .scene-img img {
        max-width: 60%;
        max-height: 320px;
        margin: 0 auto;
    }

    .scene-big-img img {
        max-width: 80%;
        max-height: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .application-scene {
        padding: 40px 0 0px;
    }

    .scene-desc p {
        font-size: 14px;
    }

    .scene-img img {
        max-width: 70%;
        max-height: 280px;
    }

    .scene-big-img img {
        max-width: 90%;
        max-height: 320px;
    }

    .scene-list li {
        font-size: 13px;
        padding: 10px 14px 10px 28px;
    }

    .scene-list li::before {
        left: 10px;
        top: 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .application-scene {
        padding: 30px 0 0px;
    }

    .scene-desc p {
        font-size: 13px;
    }

    .scene-img img {
        max-width: 80%;
        max-height: 220px;
    }

    .scene-big-img img {
        max-width: 100%;
        max-height: 240px;
    }

    .scene-list {
        gap: 10px;
    }

    .scene-list li {
        font-size: 12px;
        padding: 8px 12px 8px 24px;
        line-height: 1.6;
    }

    .scene-list li::before {
        left: 8px;
        top: 8px;
        font-size: 10px;
    }
}

/* ======================== 定制方案 CTA 模块 ======================== */
.cta-section {
  width: 100%;
  padding: 3rem 0;
  background: #fafbfc;
  position: relative;
  border-bottom: 2px solid var(--primary-blue);
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 8%;
  height: 100%;
  background: linear-gradient(to right, #eee, transparent);
  pointer-events: none;
}
.cta-container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.cta-title {
  font-size: 2.15rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.cta-desc {
  font-size: 1.15rem;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
}
.cta-btn {
  background: var(--primary-blue);
  color: #fff;
  border: none;
  padding: 1rem 3rem;
  border-radius: 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}
.cta-btn:hover {
  background: #0078d4; /* 深蓝色加深，同色系 */
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgb(0 141 247 / 20%);
  color: #fff;
}