/* ============================================================
   欣丰环保 · v7 样式补丁 (xf-fix.css)
   作用：补齐 xf-td-adapter.css 未覆盖的组件样式
   覆盖：容器 / 首页轮播 / 重点推荐 / 工程案例 / 关于文章
        / 联系区 / 预约表单 / 弹窗 / 移动底栏 / 按钮
   置于 style.css 与 adapter 之后加载，优先级最高
   ============================================================ */

/* ---------------- 0. 容器 ---------------- */
.xf-shell {
  width: 100%;
  max-width: 1230px;
  margin: 0 auto;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

section.rc,
section.cs,
section.an {
  padding: 66px 0;
}

/* 无障碍跳转链接：默认隐藏，聚焦时出现 */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: -1;
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
}
.skip:focus {
  left: 8px;
  top: 8px;
  z-index: 9999;
  width: auto;
  height: auto;
  padding: 8px 14px;
  background: #142b35;
  color: #fff;
  font-size: 13px;
  text-decoration: none;
}

/* 区块标题通用 */
.rc-head {
  text-align: center;
  margin-bottom: 38px;
}
.rc-cap {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 3px;
  color: #00a0e9;
  text-transform: uppercase;
  font-weight: 600;
}
.rc-head h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.3;
  font-weight: 700;
  color: #142b35;
}

/* ---------------- 1. 首页大图轮播 ---------------- */
.bshow {
  position: relative;
  height: auto !important;
  min-height: 0;
  max-height: none !important;
  overflow: hidden;
  background: #0e1a20;
}
.bshow-view {
  position: relative !important;
  inset: auto !important;
  width: 100% !important;
  max-width: 100% !important;
  aspect-ratio: 3840 / 1480 !important;
  height: auto !important;
  overflow: hidden;
}
.bshow-slide {
  position: absolute;
  inset: 0;
  display: block;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.9s ease, transform 6.5s linear;
  will-change: opacity, transform;
}
.bshow-slide.on {
  opacity: 1;
  transform: scale(1);
}
.bs-1 { background-image: url('images/rv/h-wastegas.webp'); }
.bs-2 { background-image: url('images/rv/h-accept.webp'); }
.bs-3 { background-image: url('images/rv/h-dust.webp'); }
.bs-4 { background-image: url('images/rv/h-noise.webp'); }
.bs-5 { background-image: url('images/rv/h-water.webp'); }
.bs-6 { background-image: url('images/rv/h-guanjia.webp'); }

/* 底部渐暗，保证压字可读 */
.bshow::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 55%;
  background: linear-gradient(to top, rgba(6, 20, 26, 0.78) 0%, rgba(6, 20, 26, 0.18) 55%, rgba(6, 20, 26, 0) 100%);
  z-index: 2;
  pointer-events: none;
}

/* 轮播控制条 */
.bshow-ctl {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
.bshow-arrow {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.22);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, border-color 0.2s;
}
.bshow-arrow:hover {
  background: #00a0e9;
  border-color: #00a0e9;
}
.bshow-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.25s;
}
.bshow-dot.on {
  width: 24px;
  border-radius: 4px;
  background: #fff;
}

/* 标题压在轮播上（.bshow-hd 是 section 的兄弟节点，用相对定位上移） */
.bshow-hd {
  position: relative;
  top: -230px;
  z-index: 6;
  margin-bottom: -230px;
  max-width: 1230px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 15px;
  color: #fff;
  pointer-events: none;
}
.bshow-hd h1 {
  margin: 0 0 14px;
  font-size: 46px;
  line-height: 1.26;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.4);
}
.bshow-hd p {
  margin: 0;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}
.bshow-bm { display: none; }

/* ---------------- 1b. 内页页头（ph2 / ph / cs-head）装饰圆环 ----------------
   .px2-ring 没有任何样式定义，默认按 SVG 尺寸占据文档流，
   把页头从 320px 撑到 580px —— 改为绝对定位脱离文档流 */
.ph2,
.ph,
.cs-head {
  position: relative !important;
  overflow: hidden !important;
}
.px2-ring {
  position: absolute !important;
  top: 50% !important;
  right: -70px !important;
  width: 520px !important;
  height: 520px !important;
  max-width: none !important;
  transform: translateY(-50%) !important;
  pointer-events: none !important;
  z-index: 1 !important;
}

/* ---------------- 2. 重点推荐 ---------------- */
.rc { background: #fff; }
.rc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 214px;
  gap: 14px;
}
.rc-card {
  position: relative;
  display: block;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-color: #24353b;
  grid-column: span 1;
  grid-row: span 1;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.rc-card:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.rc-card .rc-mask {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(6, 26, 30, 0.85) 0%, rgba(6, 26, 30, 0.25) 48%, rgba(6, 26, 30, 0) 72%);
  transition: background 0.35s;
}
.rc-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
}
.rc-card:hover .rc-mask {
  background: linear-gradient(to top, rgba(0, 118, 94, 0.9) 0%, rgba(0, 80, 68, 0.35) 55%, rgba(0, 0, 0, 0) 78%);
}
.rc-box {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
}
.rc-box span {
  display: inline-block;
  margin-bottom: 9px;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: 0.5px;
  color: #9fe8d6;
  background: rgba(0, 0, 0, 0.3);
}
.rc-box h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: #fff;
}
.rc-box p {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}
.rc-card:first-child .rc-box h3 { font-size: 25px; }
.rc-card:first-child .rc-box p { font-size: 13px; }

/* ---------------- 3. 工程案例 ---------------- */
.cs { background: #f5f6f6; }
.cs .cs-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 14px !important;
}
.cs-card {
  position: relative;
  display: block;
  height: 240px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-color: #24353b;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.cs-card .rc-mask {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(6, 26, 30, 0.85) 0%, rgba(6, 26, 30, 0.2) 50%, rgba(6, 26, 30, 0) 75%);
  transition: background 0.35s;
}
.cs-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}
.cs-card:hover .rc-mask {
  background: linear-gradient(to top, rgba(0, 118, 94, 0.9) 0%, rgba(0, 80, 68, 0.32) 55%, rgba(0, 0, 0, 0) 78%);
}
.cs-box {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 15px;
  z-index: 2;
  color: #fff;
}
.cs-box span {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  color: #9fe8d6;
  letter-spacing: 0.5px;
}
.cs-box h3 {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
  color: #fff;
}

/* ---------------- 4. 关于我们 + 最新文章 ---------------- */
.an { background: #fff; }
.an-split {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 52px;
  align-items: start;
}
.an-about {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.an-img {
  position: relative;
  display: block;
  height: 300px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-color: #24353b;
}
.an-img span {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 9px 18px;
  background: #00a0e9;
  color: #fff;
  font-size: 13px;
}
.an-nums {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  text-align: center;
}
.an-nums > div {
  border-top: 2px solid #00a0e9;
  padding-top: 11px;
}
.an-nums b {
  display: block;
  font-size: 27px;
  line-height: 1.15;
  font-weight: 800;
  color: #142b35;
}
.an-nums span {
  font-size: 12px;
  color: #78848a;
}
.an-txt {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: #4a5a60;
}

.an-news { display: flex; flex-direction: column; }
.an-news-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 13px;
  margin-bottom: 2px;
  border-bottom: 2px solid #142b35;
}
.an-news-head h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: #142b35;
}
.an-news-head a {
  font-size: 13px;
  color: #00a0e9;
}
.an-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #e8ecec;
  transition: background 0.2s;
}
.an-item:hover { background: #f8fbfa; }
.an-meta h3 {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 600;
  color: #1d2f34;
  transition: color 0.2s;
}
.an-item:hover .an-meta h3 { color: #00a0e9; }
.an-meta p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: #78848a;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.an-item time {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  color: #9aa6ab;
  white-space: nowrap;
}

/* ---------------- 5. 联系区（强制深色，覆盖 adapter 的浅灰 !important） ---------------- */
section.xf-contact,
body .xf-contact {
  background: #142b35 !important;
  color: #fff !important;
  padding: 60px 0;
}
section.xf-contact h2,
section.xf-contact p,
section.xf-contact span,
section.xf-contact .xf-eyebrow {
  color: rgba(255, 255, 255, 0.82) !important;
}
section.xf-contact h2 { color: #fff !important; }
section.xf-contact .xf-eyebrow span { color: #00a0e9 !important; }
section.xf-contact .xf-contact-tel { color: #fff !important; }
.xf-contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 52px;
  align-items: center;
}
.xf-contact h2 {
  margin: 12px 0 16px;
  font-size: 30px;
  line-height: 1.36;
  font-weight: 700;
  color: #fff;
}
.xf-contact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.75);
}
.xf-eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  color: #7fd6c4;
}
.xf-eyebrow span {
  color: #00a0e9;
  margin-right: 10px;
}
.xf-contact-action span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.xf-contact-tel {
  display: block;
  margin: 8px 0 12px;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
}

/* ---------------- 6. 按钮 ---------------- */
.btn-p {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 0;
  background: #00a0e9;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
  box-sizing: border-box;
}
.btn-p:hover { background: #008fca; }
.btn-lg {
  height: 48px;
  font-size: 15px;
}

/* ---------------- 7. 预约弹窗 ---------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
}
.modal[aria-hidden="false"],
.modal.open { display: block; }
.modal-back {
  position: absolute;
  inset: 0;
  background: rgba(8, 20, 24, 0.62);
}
.modal-box {
  position: relative;
  z-index: 2;
  width: min(520px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
  margin: 6vh auto 0;
  padding: 28px 28px 22px;
  background: #fff;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}
.modal-close {
  position: absolute;
  right: 10px;
  top: 8px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #9aa6ab;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.modal-close:hover { color: #142b35; }

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid #eef1f1;
}
.form-avatar { cursor: pointer; flex: 0 0 auto; }
.form-avatar img {
  display: block;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}
.form-head-txt h3 {
  margin: 0 0 4px;
  font-size: 18px;
  color: #142b35;
}
.form-head-txt p {
  margin: 0;
  font-size: 12.5px;
  color: #78848a;
}
.form-fields,
.form-fields-inline {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.form-fields input,
.form-fields textarea,
.form-fields-inline input,
.form-row input,
.booking-form input,
.booking-form textarea,
.booking-form select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #dfe4e6;
  background: #fff;
  color: #26343a;
  font-size: 14px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.form-fields input:focus,
.form-fields textarea:focus,
.form-row input:focus,
.booking-form input:focus,
.booking-form textarea:focus {
  border-color: #00a0e9;
  outline: none;
}
.form-fields textarea,
.booking-form textarea { min-height: 88px; resize: vertical; }
.form-preview {
  display: none;
  padding: 12px;
  background: #f5f6f8;
  border-radius: 4px;
  text-align: center;
}
.form-preview img { display: inline-block; max-width: 100%; height: auto; }
.form-preview-cap {
  margin: 8px 0 0;
  font-size: 12px;
  color: #78848a;
}
.form-msg {
  min-height: 18px;
  font-size: 13px;
  color: #0f7a5e;
}
.form-msg.err { color: #d33; }
.form-tip {
  margin: 0;
  font-size: 12px;
  color: #9aa6ab;
  text-align: center;
}
.form-ticker {
  padding: 8px 12px;
  background: #f3faf8;
  border-left: 3px solid #0f7a5e;
  font-size: 12.5px;
  color: #2f6b5c;
  overflow: hidden;
}

/* ---------------- 8. 图片灯箱 ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.86);
}
.lightbox.open,
.lightbox[aria-hidden="false"] { display: flex; }
#lightboxImg {
  max-width: 88vw;
  max-height: 80vh;
  display: block;
}
.lightbox-title {
  margin-top: 14px;
  font-size: 14px;
  color: #fff;
}
.lightbox-back {
  position: absolute;
  inset: 0;
}
.lightbox-close {
  position: absolute;
  right: 22px;
  top: 16px;
  z-index: 3;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}

/* ---------------- 9. 移动端底部操作条 ---------------- */
.mbar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1500;
  background: #fff;
  border-top: 1px solid #e8ecec;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.07);
}
.mbar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 54px;
  font-size: 13px;
  color: #142b35;
  border-right: 1px solid #eef1f1;
}
.mbar a:last-child { border-right: 0; }

/* ---------------- 10. 图片标注 ---------------- */
.image-mak {
  position: relative;
  display: inline-block;
}
.image-mak img { display: block; max-width: 100%; }

/* ---------------- 11. 文章列表（bpost2）与区块标题 ---------------- */
.sec {
  padding: 60px 0;
}
.sh {
  text-align: center;
  margin-bottom: 34px;
}
.sh h2 {
  margin: 10px 0 8px;
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  color: #142b35;
}
.sh-lead {
  margin: 0;
  font-size: 14px;
  color: #78848a;
}
.tag-pill {
  display: inline-block;
  padding: 3px 12px;
  border: 1px solid #cfe9e2;
  border-radius: 20px;
  background: #f2faf8;
  color: #0f7a5e;
  font-size: 12px;
}

.bpost-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.bpost2 {
  display: grid;
  grid-template-columns: 300px 1fr;
  align-items: stretch;
  background: #fff;
  border: 1px solid #e9edee;
  transition: box-shadow 0.3s, transform 0.3s;
}
.bpost2:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}
.bpost2-img {
  display: block;
  overflow: hidden;
  background: #eef2f3;
}
.bpost2-img img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 186px;
  object-fit: cover;
  transition: transform 0.5s;
}
.bpost2:hover .bpost2-img img {
  transform: scale(1.04);
}
.bpost2-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  min-width: 0;
  padding: 22px 26px;
}
.bpost2-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: #9aa6ab;
}
.bpost-cat {
  color: #00a0e9;
  font-weight: 600;
}
.bpost2-body h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: #1d2f34;
  transition: color 0.2s;
}
.bpost2:hover .bpost2-body h3 {
  color: #00a0e9;
}
.bpost2-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.75;
  color: #6b7b81;
}
.bpost2-m {
  font-size: 13px;
  color: #00a0e9;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .rc-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 196px;
  }
  .rc-card:first-child { grid-column: span 2; grid-row: span 1; }
  .cs .cs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .an-split { grid-template-columns: 1fr; gap: 36px; }
  .xf-contact-layout { grid-template-columns: 1fr; gap: 30px; }
  .bshow-hd h1 { font-size: 36px; }
}

@media (max-width: 768px) {
  .mbar { display: flex; }
  body { padding-bottom: 54px; }
  .bpost2 { grid-template-columns: 1fr; }
  .bpost2-img img { min-height: 0; height: auto; aspect-ratio: 16 / 9; }
  .bpost2-body { padding: 18px; }
  .sh { margin-bottom: 24px; }
  .sh h2 { font-size: 23px; }
  .bshow-view { aspect-ratio: 4 / 3 !important; }
  .bshow-hd { top: -190px; margin-bottom: -190px; }
  .bshow-hd h1 { font-size: 27px; }
  .bshow-hd p { font-size: 13.5px; }
}

@media (max-width: 620px) {
  section.rc,
  section.cs,
  section.an { padding: 42px 0; }
  .rc-head { margin-bottom: 24px; }
  .rc-head h2 { font-size: 24px; }
  .bshow-view { aspect-ratio: 3 / 2 !important; }
  .rc-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 182px;
    gap: 10px;
  }
  .rc-card:first-child { grid-column: span 1; }
  .cs .cs-grid { grid-template-columns: 1fr !important; gap: 10px !important; }
  .cs-card { height: 198px; }
  .an-nums { grid-template-columns: repeat(2, 1fr); }
  .an-img { height: 220px; }
  .an-item { flex-direction: column; gap: 6px; }
  .an-item time { padding-top: 0; }
  .xf-contact-tel { font-size: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .modal-box { padding: 22px 18px 18px; }
  .bshow-arrow { width: 30px; height: 30px; font-size: 17px; }
}
/* ============================================================
   欣丰环保 · v7 组件补丁 第二部分（xf-fix.css 续）
   覆盖：CTA 区块 / FAQ / 规格表 / 产品详情 / 案例画廊
        / 案例步骤 / 文章详情
   ============================================================ */

/* ---------------- 12. CTA 区块（109 页通用） ---------------- */
.sec-cta {
  padding: 0 0 70px;
}
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding: 40px 44px;
  background: linear-gradient(100deg, #0f3a46 0%, #155e6d 100%);
  color: #fff;
}
.cta-txt h2 {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.4;
  font-weight: 700;
  color: #fff;
}
.cta-txt p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}
.cta-act {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-w {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: transparent;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  box-sizing: border-box;
}
.btn-w:hover {
  background: #fff;
  color: #0f3a46;
  border-color: #fff;
}

/* 紧凑型区块间距 */
.sec-tight { padding: 40px 0; }
.sh-tight { margin-bottom: 24px; }

/* ---------------- 13. FAQ 折叠 ---------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 920px;
  margin: 0 auto;
}
.faq-i {
  border: 1px solid #e6ebec;
  background: #fff;
  transition: border-color 0.2s;
}
.faq-i[open] { border-color: #bfe4f5; }
.faq-i summary {
  position: relative;
  padding: 16px 48px 16px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: #1d2f34;
  cursor: pointer;
  list-style: none;
}
.faq-i summary::-webkit-details-marker { display: none; }
.faq-i summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  line-height: 1;
  color: #00a0e9;
}
.faq-i[open] summary::after { content: "–"; }
.faq-a {
  padding: 0 20px 18px;
  border-top: 1px solid #f0f3f4;
}
.faq-a p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: #5a6a70;
}

/* ---------------- 14. 规格参数表 ---------------- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.spec-card {
  padding: 20px 18px;
  background: #f7f9f9;
  border-top: 2px solid #00a0e9;
}
.spec-l {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  color: #78848a;
}
.spec-v {
  display: block;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
  color: #142b35;
}
.spec-d {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: #9aa6ab;
}
.pd-note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: #9aa6ab;
}

/* ---------------- 15. 产品详情（pd-*） ---------------- */
.pd-sec { padding: 56px 0; }
.pd-sec-alt { background: #f5f7f7; }
.pd-h h2 {
  position: relative;
  margin: 0 0 18px;
  padding-left: 14px;
  font-size: 26px;
  line-height: 1.35;
  font-weight: 700;
  color: #142b35;
}
.pd-h h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 4px;
  height: 1.05em;
  background: #00a0e9;
}
.pd-p {
  margin: 0;
  max-width: 940px;
  font-size: 15px;
  line-height: 1.95;
  color: #4a5a60;
}
.pd-sub {
  margin: -6px 0 18px;
  font-size: 13.5px;
  color: #78848a;
}
.pd-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding-left: 20px;
}
.pd-list li {
  font-size: 14.5px;
  line-height: 1.8;
  color: #4a5a60;
}
.pd-act {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.pd-deliv,
.pd-check,
.pd-gift {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pd-deliv li,
.pd-check li,
.pd-gift li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4a5a60;
}
.pd-deliv li::before,
.pd-check li::before,
.pd-gift li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #00a0e9;
  font-weight: 700;
}
/* 产品图片放大镜/提示 */
.pd-lens {
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
}
.pd-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: #9aa6ab;
  text-align: center;
}
/* 图片灯箱（产品页） */
.pd-lb {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
}
.pd-lb.is-on,
.pd-lb[aria-hidden="false"] { display: flex; }
.pd-lb img {
  max-width: 90vw;
  max-height: 84vh;
  display: block;
}
.pd-lb-x {
  position: absolute;
  right: 20px;
  top: 14px;
  z-index: 3;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
.pd-lb-t {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
}

/* ---------------- 16. 案例画廊（cg-*） ---------------- */
.cg {
  margin-top: 30px;
}
.cg-top {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.cg-h {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.cg-note {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
}
.cg-cnt {
  margin-left: auto;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.cg-cnt b {
  font-size: 18px;
  color: #fff;
}
.cg-cnt i {
  font-style: normal;
  margin: 0 3px;
  opacity: 0.55;
}
.cg-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0d1a1f;
}
.cg-fr {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.cg-fr.is-on { opacity: 1; z-index: 2; }
.cg-fr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cg-ar {
  position: absolute;
  top: 50%;
  z-index: 4;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.32);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}
.cg-ar:hover { background: #00a0e9; border-color: #00a0e9; }
.cg-prev { left: 14px; }
.cg-next { right: 14px; }
.cg-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0));
}
.cg-cap {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.86);
}
.cg-rail {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.cg-tip {
  margin: 10px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------------- 17. 案例步骤（cd-*） ---------------- */
.cd-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 22px;
  background: #f5f7f7;
}
.cd-facts > div {
  min-width: 0;
}
.cd-facts dt {
  margin-bottom: 6px;
  font-size: 12px;
  color: #9aa6ab;
}
.cd-facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #142b35;
  line-height: 1.6;
}
.cd-stepshd {
  margin: 42px 0 24px;
}
.cd-stepshd h2 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
  color: #142b35;
}
.cd-stepshd p {
  margin: 0;
  font-size: 14px;
  color: #78848a;
}
.cd-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.cd-step {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: #fff;
  border: 1px solid #eef1f1;
  transition: box-shadow 0.3s, transform 0.3s;
}
.cd-step:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.07);
}
.cd-n {
  flex: 0 0 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #00a0e9;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}
.cd-step h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: #142b35;
}
.cd-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: #5a6a70;
}

/* ---------------- 18. 文章详情（post-* / prose） ---------------- */
.post-h {
  max-width: 840px;
  margin: 0 auto 34px;
  text-align: center;
}
.post-h h1 {
  margin: 12px 0 14px;
  font-size: 34px;
  line-height: 1.4;
  font-weight: 700;
  color: #142b35;
}
.post-meta {
  margin: 0 0 16px;
  font-size: 13px;
  color: #9aa6ab;
}
.post-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: #5a6a70;
  text-align: left;
}
.prose {
  max-width: 840px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 2;
  color: #33454b;
}
.prose h2 {
  margin: 40px 0 14px;
  font-size: 22px;
  line-height: 1.5;
  font-weight: 700;
  color: #142b35;
}
.prose h3 {
  margin: 30px 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: #142b35;
}
.prose p {
  margin: 0 0 18px;
}
.prose ul,
.prose ol {
  margin: 0 0 18px;
  padding-left: 22px;
}
.prose li {
  margin-bottom: 8px;
}
.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
}
.prose blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid #00a0e9;
  color: #5a6a70;
}
.post-lnk {
  max-width: 840px;
  margin: 44px auto 0;
  padding: 24px;
  background: #f6f9f9;
  border-left: 3px solid #00a0e9;
}
.post-lnk h2 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  color: #142b35;
}
.post-lnk a {
  color: #00a0e9;
  font-size: 14px;
}

/* 页头内画廊要通栏，不能被 flex-start 压成内容宽度 */
.cs-head > .wrap,
.ph2 > .wrap,
.ph > .wrap {
  align-items: stretch !important;
}
.cs-head .cg,
.ph2 .cg,
.ph .cg {
  width: 100% !important;
  max-width: 100% !important;
  align-self: stretch !important;
  margin-top: 26px;
}
.cs-head .cg-stage,
.ph2 .cg-stage,
.ph .cg-stage {
  width: 100% !important;
}
/* 页头背景铺满整个高度 */
.cs-head::before,
.ph2::before,
.ph::before {
  height: 100% !important;
}

/* ---------------- 20. 服务页工艺卡（td-sol / td-img / td-ic） ---------------- */
.td-sol ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.td-sol li {
  background: #fff;
  border: 1px solid #eef1f1;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.td-sol li:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.td-img {
  height: 210px;
  background-size: cover;
  background-position: center;
  background-color: #eef2f3;
}
.td-sol dl {
  margin: 0;
  padding: 24px;
}
.td-ic {
  display: block;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  fill: none;
  stroke: #00a0e9;
  stroke-width: 2;
  stroke-linejoin: round;
}
.td-sol dt {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.5;
  font-weight: 700;
  color: #142b35;
}
.td-sol dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: #5a6a70;
}
/* 关于页导语 */
.lead {
  font-size: 15px;
  line-height: 1.95;
  color: #4a5a60;
}
.sh-mt { margin-top: 44px; }
.docrow-points {
  margin: 14px 0 0;
  padding-left: 20px;
}
.docrow-points li {
  margin-bottom: 7px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #5a6a70;
}

@media (max-width: 768px) {
  .td-sol ul { grid-template-columns: 1fr; }
  .td-img { height: 170px; }
  .td-sol dl { padding: 18px; }
}

/* 文档行卡片（关于页/指南页）图片按钮 */
.docrow-fig {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: #eef2f3;
  overflow: hidden;
  cursor: zoom-in;
  line-height: 0;
}
.docrow-fig img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
}
.docrow-body h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  color: #142b35;
}
.docrow-body p {
  margin: 0 0 4px;
  font-size: 13.5px;
  line-height: 1.85;
  color: #5a6a70;
}

/* 页头 .ph 的内层容器（adapter 只定义了 .cs-head>.wrap 和 .ph-in，漏了 .ph>.wrap） */
.ph > .wrap {
  position: relative !important;
  z-index: 2 !important;
  min-height: 320px !important;
  max-width: 1230px !important;
  margin: 0 auto !important;
  padding: 66px 15px 40px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
}
.ph > .wrap > h1 {
  margin: 0 !important;
  font-size: 40px !important;
  line-height: 1.25 !important;
  font-weight: 600 !important;
  color: #fff !important;
}
.ph > .wrap > p:not(.ph2-kick) {
  max-width: 720px;
  margin: 15px 0 0 !important;
  font-size: 15px !important;
  line-height: 1.9 !important;
  color: rgba(255, 255, 255, 0.86) !important;
}

/* 报价三档 */
.price-levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.price-level {
  padding: 28px 24px;
  background: #fff;
  border: 1px solid #eef1f1;
  border-top: 3px solid #00a0e9;
  transition: box-shadow 0.3s, transform 0.3s;
}
.price-level:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.price-l-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #f0f3f4;
}
.price-l-head h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: #142b35;
}
.price-l-range {
  font-size: 17px;
  font-weight: 700;
  color: #00a0e9;
  white-space: nowrap;
}
.price-level p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: #5a6a70;
}
.price-l-note {
  margin: 0 !important;
  font-size: 12.5px !important;
  color: #9aa6ab !important;
}

/* why-grid 卡片等宽 */
.why-grid {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 18px !important;
}
.why-card {
  position: relative;
  padding: 26px 24px;
  background: #fff;
  border: 1px solid #eef1f1;
}
.why-card::before {
  content: attr(data-num);
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #00a0e9;
}
.why-card h3 {
  margin: 0 0 9px;
  font-size: 16.5px;
  font-weight: 700;
  color: #142b35;
}
.why-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #5a6a70;
}

@media (max-width: 1080px) {
  .price-levels { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (max-width: 768px) {
  .ph > .wrap { min-height: 240px !important; padding: 40px 16px 30px !important; }
  .ph > .wrap > h1 { font-size: 27px !important; }
  .why-grid { grid-template-columns: 1fr !important; }
}

/* ---------------- 19. 通用补充 ---------------- */
.td-prods {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
/* 卡片角标 / 斜杠分隔 */
.crs {
  font-style: normal;
  margin: 0 6px;
  opacity: 0.5;
}
/* reveal 动画类：确保初始可见，不因缺样式被隐藏 */
.rv { opacity: 1; }

@media (max-width: 1080px) {
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cd-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cd-steps { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .cta-box { padding: 28px 22px; gap: 20px; }
  .cta-txt h2 { font-size: 20px; }
  .cta-act { width: 100%; }
  .cta-act .btn,
  .cta-act .btn-w { flex: 1; }
  .sec-cta { padding: 0 0 44px; }
  .pd-sec { padding: 36px 0; }
  .pd-h h2 { font-size: 21px; }
  .post-h h1 { font-size: 24px; }
  .prose { font-size: 15px; line-height: 1.92; }
  .prose h2 { font-size: 19px; }
  .cg-ar { width: 36px; height: 36px; font-size: 19px; }
  .cd-step { padding: 18px; }
  .faq-i summary { padding: 14px 42px 14px 16px; font-size: 14px; }
}

@media (max-width: 620px) {
  .spec-grid { grid-template-columns: 1fr; }
  .cd-facts { grid-template-columns: 1fr 1fr; gap: 12px; padding: 16px; }
  .post-h { margin-bottom: 24px; }
  .post-lead { font-size: 14px; }
  .cg-top { gap: 8px; }
  .cg-cnt { margin-left: 0; }
}