/* ============================================
   首页样式 - 湖北汉排市政工程有限公司
   ============================================ */

/* ===== 幻灯片样式（保留原有） ===== */
.hero-slider {
  position:relative; width:100%; height:60vh; min-height:460px;
  overflow:hidden; background:transparent;
}
.hero-slides-wrapper {
  position:relative; width:100%; height:100%;
}
.hero-slide {
  position:absolute; inset:0; width:100%; height:100%;
  display:flex; flex-direction:column; justify-content:center;
  padding-top:max(6vh, 36px);
  padding-bottom:30px;
  opacity:0; visibility:hidden;
  transition:opacity .8s ease, visibility .8s ease;
  z-index:1;
}
.hero-slide.active {
  opacity:1; visibility:visible; z-index:2;
}
.hero-slide-bg {
  position:absolute; inset:0;
  background-color:#0d1117;
  background-size:cover; background-position:center; background-repeat:no-repeat;
  z-index:0;
}
.hero-overlay {
  position:absolute; inset:0;
  background:linear-gradient(135deg, rgba(120, 52, 0, 0.82) 0%, rgba(199, 90, 0, 0.78) 100%);
  z-index:1;
}
.hero-container {
  position:relative; z-index:2;
  width:75%; max-width:1600px; margin:0 auto;
  padding:20px 10px;
  display:flex;
  flex-direction:row;
  align-items:center;
  justify-content:space-between;
}
.hero-container--vertical {
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:30px;
}
.hero-container--center { justify-content:center; text-align:center; }
.hero-text {
  flex:1 0 40%; min-width:0;
  padding-left:30px;
  display:flex; flex-direction:column; align-items:flex-start;
}
.hero-container--center .hero-text { align-items:center; }
.hero-container--vertical .hero-text { align-items:flex-end; padding-left:0; width:100%; flex:0 0 auto; }
.hero-container--vertical .hero-title,
.hero-container--vertical .hero-subtitle,
.hero-container--vertical .hero-slogan { text-align:right; }
.hero-container--vertical .hero-actions { justify-content:flex-end; }
@media(max-width:768px) {
  #heroSlider { display:none; }
  .hero-slider-mobile { display:block; }
}
@media (max-width: 1100px) {
  .hero-slider,
  .hero-slides-wrapper {
    min-height: 0;
    height: auto;
  }
  .hero-slide {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    min-height: 0;
    padding-top: 110px;
    padding-bottom: 70px;
    opacity: 1;
    visibility: visible;
  }
  .hero-slide:not(.active) {
    display: none;
  }
  .hero-title {
    white-space: normal;
  }
  .hero-scroll-indicator {
    display: none;
  }
  .hero-dots {
    bottom: 26px;
  }
  .hero-products--grid,
  .hero-articles--grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
}
.hero-badge {
  display:inline-block;
  padding:6px 18px; margin-bottom:24px;
  font-size:.8rem; font-weight:600;
  color:rgba(255,255,255,.9); background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  border-radius:50px; letter-spacing:.5px;
  backdrop-filter:blur(4px);
}
.hero-title {
  font-size:clamp(1.1rem, 3vw, 2.8rem);
  font-weight:900; line-height:1.2;
  margin-bottom:0;
  color:#fff;
  width:100%;
  max-width:none;
  white-space:normal;
  letter-spacing:3px;
  position:relative;
}
.hero-title em { font-style:normal; color:var(--accent); }
.hero-title br {
  content:'';
  display:block;
  margin-top:.15em;
}
.hero-subtitle {
  font-size:clamp(0.5rem, 2vw, 1.75rem);
  color:#fff; font-weight:700; line-height:1.5;
  margin:5px 0 40px;
  letter-spacing:2px;
  text-align:left;
}
.hero-container--center .hero-subtitle { text-align:center; }
.hero-subtitle + .hero-slogan { margin-top:-20px; }
.hero-slogan {
  font-size:clamp(1rem, 1.9vw, 1.45rem);
  color:rgba(255,255,255,.85); font-weight:500; line-height:1.8;
  margin:20px 0 30px; letter-spacing:1px; text-align:left;
}
.hero-container--center .hero-slogan { text-align:center; }
.hero-actions { display:flex; gap:16px; justify-content:flex-start; flex-wrap:wrap; color:#fff; }

/* 幻灯片按钮 - 主按钮深橙白字，次要按钮白色深橙字 */
.hero-actions .btn-primary {
  background:linear-gradient(135deg, #e05a00 0%, #ff6b00 100%); color:#fff; border-color:#e05a00;
  box-shadow:0 4px 14px rgba(224,90,0,.45);
}
.hero-actions .btn-primary:hover {
  background:linear-gradient(135deg, #b34a00 0%, #e05a00 100%); border-color:#b34a00;
  box-shadow:0 6px 20px rgba(224,90,0,.55);
  transform:translateY(-2px);
}
.hero-actions .btn-outline {
  background:rgba(255,255,255,.92); color:#e05a00;
  border-color:rgba(255,255,255,.92);
}
.hero-actions .btn-outline:hover {
  background:#fff; color:#b34a00;
  border-color:#fff;
}

.hero-slide:not(.active) [data-anim] {
  opacity:0; transform:translateY(0);
}
.hero-slide.active [data-anim] {
  opacity:0;
}
.hero-slide.active [data-anim=fadeInDown] {
  animation:heroFadeDown .7s ease .2s both;
}
.hero-slide.active [data-anim=fadeInUp] {
  animation:heroFadeUp .7s ease .2s both;
}
.hero-slide.active [data-anim=fadeInSub] {
  animation:heroFadeUp .7s ease .5s both;
}
.hero-slide.active [data-anim=fadeInBtns] {
  animation:heroFadeUp .7s ease .7s both;
}
.hero-slide.active [data-anim=fadeInCards] {
  animation:heroFadeUp .7s ease .35s both;
}

@keyframes heroFadeUp {
  from { opacity:0; transform:translateY(40px); }
  to { opacity:1; transform:translateY(0); }
}
@keyframes heroFadeDown {
  from { opacity:0; transform:translateY(-20px); }
  to { opacity:1; transform:translateY(0); }
}

.hero-dots {
  position:absolute; bottom:40px; left:50%; transform:translateX(-50%);
  display:flex; gap:12px; z-index:10;
}
.hero-dot {
  width:12px; height:12px; border-radius:50%;
  background:rgba(255,255,255,.3); cursor:pointer;
  transition:all .3s ease; border:2px solid transparent;
}
.hero-dot.active {
  background:var(--primary);
  border-color:#fff;
  transform:scale(1.2);
}
.hero-dot:hover { background:rgba(255,255,255,.6); }

.hero-arrow {
  position:absolute; top:50%; transform:translateY(-50%);
  z-index:10; width:50px; height:50px; border-radius:50%;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.15);
  color:#fff; font-size:2rem; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .3s ease; user-select:none;
}
.hero-arrow:hover { background:rgba(255,255,255,.25); transform:translateY(-50%) scale(1.1); }
.hero-arrow-prev { left:20px; }
.hero-arrow-next { right:20px; }
@media(max-width:768px) {
  .hero-arrow { width:36px; height:36px; font-size:1.4rem; }
  .hero-arrow-prev { left:8px; }
  .hero-arrow-next { right:8px; }
  .hero-dots { bottom:20px; }
}

/* ===== 向下滚动引导指示器 ===== */
.hero-scroll-indicator {
  display:none;
  position:absolute;
  bottom:100px;
  left:50%;
  transform:translateX(-50%);
  z-index:10;
  cursor:pointer;
  animation:scrollBounce 2s ease-in-out infinite;
}
.scroll-mouse {
  width:24px; height:38px;
  border:2px solid rgba(255,255,255,.7);
  border-radius:13px;
  position:relative;
  margin:0 auto;
}
.scroll-wheel {
  width:4px; height:9px;
  background:rgba(255,255,255,.8);
  border-radius:3px;
  position:absolute;
  top:8px; left:50%;
  transform:translateX(-50%);
  animation:scrollWheel 1.5s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { opacity:1; transform:translateX(-50%) translateY(0); }
  100% { opacity:0; transform:translateX(-50%) translateY(14px); }
}
@keyframes scrollBounce {
  0%, 100% { transform:translateX(-50%) translateY(0); }
  50% { transform:translateX(-50%) translateY(8px); }
}

@media (prefers-reduced-motion:reduce) {
  .hero-slide, .hero-slide *,
  .hero-scroll-indicator,
  .scroll-mouse, .scroll-wheel { animation:none!important; transition:none!important; }
  .hero-scroll-indicator { display:none; }
}

/* ===== 幻灯片左侧产品图 ===== */
.hero-products {
  flex:0 0 60%;
  padding-right:60px;
}
.hero-container--vertical .hero-products {
  flex:0 0 auto;
  padding-right:0;
  width:100%;
  max-width:none;
}
.hero-product-card {
  display:block;
  width:100%;
  border-radius:12px;
  overflow:hidden;
  text-decoration:none;
  transition:all .3s ease;
}
.hero-product-card:hover {
  transform:translateY(-4px);
}
.hero-product-card img {
  width:100%;
  height:auto;
  display:block;
}
.hero-product-card svg {
  width:40px; height:40px;
  opacity:.5; color:#fff;
}
/* 第二张幻灯片：4个产品图 2x2 网格 */
.hero-products--grid {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:14px;
  align-content:start;
}
.hero-products--plain .hero-product-card--grid {
  border:none;
  background:none;
  box-shadow:none;
  overflow:hidden;
}
.hero-products--plain .hero-product-card--grid img {
  width:100%; height:auto; aspect-ratio:auto; object-fit:contain;
}
.hero-product-card--grid {
  border:4px solid rgba(255,255,255,.85);
  border-radius:12px;
  background:rgba(255,255,255,.06);
  box-shadow:0 4px 14px rgba(0,0,0,.18);
  overflow:hidden;
}
.hero-product-card--grid img {
  width:100%; height:100%; aspect-ratio:4/3; object-fit:cover; display:block;
}
.hero-product-card--grid:hover {
  transform:translateY(-4px);
  border-color:#fff;
}
@media(max-width:1200px) {
  .hero-products { padding-right:18px; }
  .hero-text { padding-left:18px; }
}
@media(max-width:768px) {
  .hero-products { display:none; }
}
.hero-articles--grid {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:14px;
  align-content:start;
}
.hero-article-card {
  display:block;
  border:3px solid rgba(255,255,255,.85);
  border-radius:12px;
  overflow:hidden;
  text-decoration:none;
  transition:all .3s ease;
}
.hero-article-card:hover {
  transform:translateY(-4px);
  border-color:#fff;
}
.hero-article-card img {
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  display:block;
}

/* ===== CSS变量定义 ===== */
:root {
  --primary: #ff6b00;
  --primary-dark: #e05a00;
  --primary-light: #ff8c33;
  --secondary: #4A5456;
  --accent: #ff6b00;
  --text-primary: #1e293b;
  --text-secondary: #3f4a5a;
  --text-muted: #6b7686;
  --bg-primary: #ffffff;
  --bg-secondary: #fff7f0;
  --bg-tertiary: #fff0e6;
  --border: #f5ddc9;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础布局 ===== */
.container {
  width: 75%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 10px;
}

@media(max-width:768px) {
  .container { width:100%; padding:0 15px; }
}

/* ===== 通用区块样式 ===== */
.home-section {
  padding: 100px 0;
  position: relative;
}

@media (max-width: 768px) {
  .home-section {
    padding: 60px 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
  width: 100%;
}

.section-title {
  font-size: clamp(1.25rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title .title-highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 auto;
  max-width: 800px;
}

.subtitle-mobile { display:none; }

/* ===== 按钮样式 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 14px 0 rgba(255, 107, 0, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(255, 107, 0, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline:hover {
  background: var(--primary-dark);
  color: #fff;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
}

/* ===== 模块1：服务项目 ===== */
.section-service { background: var(--bg-primary); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}
.service-img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-tertiary);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s ease;
}
.service-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.service-card:hover .service-img { transform: scale(1.04); }
.service-body {
  padding: 20px 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.service-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  transition: color .3s ease;
}
.service-card:hover .service-title { color: var(--primary); }
.service-tag {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(30,111,217,0.1);
  padding: 4px 12px;
  border-radius: 50px;
  white-space: nowrap;
}
@media (max-width: 1100px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* ===== 模块2：核心业务 ===== */
.section-core-biz { background: var(--bg-secondary); }
.core-biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.core-biz-card {
  position: relative;
  padding: 36px 30px 34px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
  text-align: center;
}
.core-biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}
.core-biz-icon {
  width: 66px;
  height: 66px;
  margin: 0 auto 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,107,0,0.12), rgba(224,90,0,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.core-biz-icon svg {
  width: 46px;
  height: 46px;
  color: var(--primary);
}
.core-biz-card:hover .core-biz-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  transform: rotate(-6deg) scale(1.06);
}
.core-biz-card:hover .core-biz-icon svg { color: #fff; }
.core-biz-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.core-biz-desc {
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin: 0;
}
.core-biz-featured {
  background: linear-gradient(150deg, #ff6b00 0%, #f55a00 100%);
  border-color: transparent;
  color: #fff;
}
.core-biz-featured .core-biz-name { color: #fff; }
.core-biz-featured .core-biz-desc { color: rgba(255,255,255,0.88); }
.core-biz-featured .core-biz-icon {
  background: rgba(255,255,255,0.14);
}
.core-biz-featured .core-biz-icon svg { color: #fff; }
.core-biz-featured:hover .core-biz-icon {
  background: rgba(255,255,255,0.22);
  transform: rotate(-6deg) scale(1.06);
}
.core-biz-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, #f5821f, #e06a00);
  padding: 5px 14px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(240, 130, 30, 0.4);
}
@media (max-width: 1100px) {
  .core-biz-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .core-biz-grid { grid-template-columns: 1fr; }
  .core-biz-card { padding: 28px 22px 26px; }
}

/* ===== 模块3：常见问题解答 ===== */
.section-faq { background: var(--bg-primary); }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.faq-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}
.faq-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.faq-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.faq-card:hover::before { transform: scaleX(1); }
.faq-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.faq-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 4px 12px;
  border-radius: 50px;
}
.faq-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffe0c7;
  line-height: 1;
}
.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.55;
  margin-bottom: 14px;
}
.faq-q {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.faq-answer {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-left: 38px;
}
.faq-a {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,107,0,0.1);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.faq-a-text {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
@media (max-width: 900px) {
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .faq-card { padding: 22px 20px; }
  .faq-answer { padding-left: 0; }
}

/* ===== 模块4：公司简介 ===== */
.section-company { background: var(--bg-secondary); }
.company-inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.company-img {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.company-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.company-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,107,0,0.12);
}
.company-text p {
  font-size: 1rem;
  line-height: 2.05;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.company-text p:last-child { margin-bottom: 0; }
.company-features {
  display: flex;
  gap: 22px;
  margin: 28px 0 32px;
  flex-wrap: wrap;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: var(--transition);
}
.feature-item:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}
.feature-item span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.company-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 1000px) {
  .company-inner { grid-template-columns: 1fr; gap: 36px; }
  .company-img { aspect-ratio: 16 / 10; }
}
@media (max-width: 600px) {
  .company-features { gap: 12px; }
  .feature-item { padding: 8px 14px; }
  .company-actions { flex-direction: column; align-items: stretch; }
  .company-actions .btn { width: 100%; }
}

/* ===== 模块5：工程实迹 ===== */
.section-cases { background: var(--bg-primary); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 44px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.case-img {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-tertiary);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s ease;
}
.case-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-card:hover .case-img { transform: scale(1.05); }
.case-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px;
  line-height: 1.5;
  transition: color .3s ease;
}
.case-card:hover .case-title { color: var(--primary); }
.case-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cases-more {
  text-align: center;
}
@media (max-width: 1100px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cases-grid { grid-template-columns: 1fr; gap: 18px; }
}

/* ===== 模块6：文章列表 ===== */
.section-news { background: var(--bg-secondary); }
.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.news-card {
  display: flex;
  gap: 22px;
  padding: 26px 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(20, 87, 179, 0.06);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary-light), var(--primary-dark));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 38px rgba(224, 90, 0, 0.16);
  border-color: var(--primary-light);
}
.news-card:hover::before { transform: scaleY(1); }
.news-date {
  flex-shrink: 0;
  width: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 8px;
  background: linear-gradient(135deg, #fff0e6, #ffe3d1);
  border-radius: 14px;
  border: 1px solid #ffd0b3;
  transition: var(--transition);
}
.news-card:hover .news-date {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary-dark);
}
.news-date-day {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  transition: var(--transition);
}
.news-card:hover .news-date-day { color: #fff; }
.news-date-month {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 1px;
  transition: var(--transition);
}
.news-card:hover .news-date-month { color: rgba(255,255,255,0.85); }
.news-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.news-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
  line-height: 1.5;
  transition: var(--transition);
}
.news-card:hover .news-title { color: var(--primary); }
.news-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-readmore {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.news-card:hover .news-readmore { gap: 10px; }
.news-more {
  text-align: center;
  margin-top: 36px;
}
@media (max-width: 900px) {
  .news-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .news-card { padding: 20px 22px; gap: 16px; }
  .news-date { width: 60px; padding: 10px 6px; }
  .news-date-day { font-size: 1.5rem; }
  .news-title { font-size: 1rem; }
}

/* ===== 模块7：服务区域 ===== */
.section-area {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  background: linear-gradient(140deg, #8c3a00 0%, #e06500 60%, #b34a00 100%);
  color: #fff;
}
.section-area::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.section-area::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.section-area .container {
  position: relative;
  z-index: 1;
}
.section-area .section-title { color: #fff; }
.section-area .title-highlight {
  background: linear-gradient(135deg, #ffd2a8, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.area-intro {
  max-width: 900px;
  margin: 0 auto 44px;
  text-align: center;
  font-size: 1rem;
  line-height: 2;
  color: rgba(255,255,255,0.85);
}
.area-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.area-tag {
  display: inline-block;
  padding: 10px 24px;
  font-size: 0.98rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.area-tag:hover {
  background: #fff;
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}
@media (max-width: 768px) {
  .section-area { padding: 70px 0; }
  .area-tags { gap: 10px; }
  .area-tag { padding: 8px 16px; font-size: 0.9rem; }
}

/* ===== 移动端整体适配 ===== */
@media (max-width: 768px) {
  .home-section { padding: 56px 0; }
  .section-header { margin-bottom: 40px; }
  .subtitle-desktop { display:none; }
  .subtitle-mobile { display:block; }
}