/* ==========================================================================
   庆新创联建站 - 全站主样式
   风格：方形餐桌风 | 深灰 #2D2D2D + 纯白 #FFFFFF + 浅棕 #B89968
   ========================================================================== */

/* ---------- CSS Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #333;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; color: #1a1a1a; }

/* ---------- 设计变量 ---------- */
:root {
  --c-dark: #2D2D2D;
  --c-dark-2: #3A3A3A;
  --c-gray: #666;
  --c-gray-2: #999;
  --c-light: #f6f5f2;
  --c-cream: #faf8f4;
  --c-white: #FFFFFF;
  --c-brown: #B89968;
  --c-brown-dark: #9A7D4F;
  --c-brown-light: #D4BE96;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(45,45,45,.06);
  --shadow-md: 0 6px 24px rgba(45,45,45,.08);
  --shadow-lg: 0 16px 48px rgba(45,45,45,.12);
  --ease: cubic-bezier(.22,.61,.36,1);
  --container: 1200px;
}

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(255,255,255,0);
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid rgba(255,255,255,0);
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(160%) blur(12px);
  box-shadow: 0 1px 0 rgba(45,45,45,.06);
  border-bottom-color: rgba(45,45,45,.06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  transition: color .35s var(--ease);
}
.site-header.is-scrolled .logo { color: var(--c-dark); }
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--c-brown), var(--c-brown-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -1px;
  box-shadow: 0 4px 12px rgba(184,153,104,.35);
}
.nav { display: flex; gap: 36px; align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
  display: block;
  padding: 8px 0;
  font-size: 15px;
  color: rgba(255,255,255,.9);
  font-weight: 500;
  position: relative;
  transition: color .3s var(--ease);
}
.site-header.is-scrolled .nav > li > a { color: var(--c-dark-2); }
.nav > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--c-brown);
  transition: width .3s var(--ease), left .3s var(--ease);
}
.nav > li > a:hover, .nav > li.active > a { color: var(--c-brown); }
.nav > li > a:hover::after, .nav > li.active > a::after { width: 100%; left: 0; }

/* 二级下拉 */
.nav .sub {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: all .28s var(--ease);
  border: 1px solid rgba(45,45,45,.06);
}
.nav > li:hover .sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav .sub a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--c-dark-2);
  font-weight: 400;
  white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav .sub a:hover { background: var(--c-cream); color: var(--c-brown-dark); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--c-brown);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
  box-shadow: 0 4px 14px rgba(184,153,104,.35);
}
.nav-cta:hover { background: var(--c-brown-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(184,153,104,.45); }

/* 汉堡 */
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  position: relative;
  cursor: pointer;
}
.hamburger span {
  position: absolute;
  left: 10px;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s var(--ease), top .3s var(--ease), opacity .2s;
}
.site-header.is-scrolled .hamburger span { background: var(--c-dark); }
.hamburger span:nth-child(1) { top: 14px; }
.hamburger span:nth-child(2) { top: 20px; }
.hamburger span:nth-child(3) { top: 26px; }
.hamburger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* 移动端菜单 */
.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: #fff;
  z-index: 998;
  transform: translateX(100%);
  transition: transform .35s var(--ease);
  padding: 90px 28px 32px;
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(45,45,45,.1);
}
.mobile-panel.is-open { transform: translateX(0); }
.mobile-panel .nav-m > li { border-bottom: 1px solid rgba(45,45,45,.06); }
.mobile-panel .nav-m > li > a {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  color: var(--c-dark);
  font-weight: 500;
}
.mobile-panel .nav-m .sub-m a {
  display: block;
  padding: 10px 0 10px 16px;
  font-size: 14px;
  color: var(--c-gray);
}
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
}
.mobile-overlay.is-open { opacity: 1; visibility: visible; }

/* ---------- 全局按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all .28s var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--c-brown); color: #fff; box-shadow: 0 4px 14px rgba(184,153,104,.35); }
.btn-primary:hover { background: var(--c-brown-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(184,153,104,.45); }
.btn-outline { background: transparent; color: var(--c-dark); border-color: var(--c-dark); }
.btn-outline:hover { background: var(--c-dark); color: #fff; }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.4); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: #fff; color: var(--c-dark); }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ---------- 页面通用区块 ---------- */
.section { padding: 100px 0; position: relative; }
.section-s { padding: 64px 0; position: relative; }
.section-alt { background: var(--c-cream); }
.section-dark { background: var(--c-dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }

/* 曲线衔接过渡（顶部弧形） */
.curve-top::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  width: 100%;
  height: 80px;
  background: inherit;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}
.curve-bottom::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 0;
  width: 100%;
  height: 80px;
  background: inherit;
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

/* 波浪衔接 */
.wave-divider {
  height: 60px;
  position: relative;
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg { width: 100%; height: 100%; }

/* ---------- 区块标题 ---------- */
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(184,153,104,.12);
  color: var(--c-brown-dark);
  font-size: 13px;
  font-weight: 500;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.sec-title {
  font-size: 38px;
  font-weight: 700;
  color: var(--c-dark);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-dark .sec-title { color: #fff; }
.sec-desc {
  font-size: 16px;
  color: var(--c-gray);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}
.section-dark .sec-desc { color: rgba(255,255,255,.7); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 140px 0 32px;
  background: var(--c-white);
}
.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-gray);
}
.breadcrumb-inner a:hover { color: var(--c-brown-dark); }
.breadcrumb-inner .sep { color: var(--c-gray-2); }
.breadcrumb-inner .cur { color: var(--c-dark); font-weight: 500; }

/* 页面Banner（内页） */
.page-banner {
  position: relative;
  height: 360px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,45,45,.78) 0%, rgba(45,45,45,.55) 100%);
}
.page-banner-inner { position: relative; z-index: 2; text-align: center; color: #fff; padding: 0 24px; }
.page-banner-title { font-size: 42px; font-weight: 700; margin-bottom: 14px; letter-spacing: -0.5px; }
.page-banner-desc { font-size: 16px; color: rgba(255,255,255,.8); max-width: 620px; margin: 0 auto; }

/* ---------- 首页 Banner（全屏） ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(45,45,45,.82) 0%, rgba(45,45,45,.45) 55%, rgba(184,153,104,.35) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; color: #fff; }
.hero-sub {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}
.hero-sub .dot { width: 6px; height: 6px; background: var(--c-brown-light); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 22px;
}
.hero-title .accent { color: var(--c-brown-light); }
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.82);
  margin-bottom: 42px;
  max-width: 580px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 文字动画 */
.char { display: inline-block; opacity: 0; transform: translateY(20px); animation: charIn .5s var(--ease) forwards; }
@keyframes charIn { to { opacity: 1; transform: translateY(0); } }

/* 滚动提示 */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,.65);
  font-size: 12px;
  letter-spacing: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hero-scroll .line { width: 1px; height: 40px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.hero-scroll .line::after {
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: #fff;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { to { top: 40px; } }

/* ---------- 快速入口（首页） ---------- */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: -60px;
  position: relative;
  z-index: 3;
}
.quick-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
  transition: all .35s var(--ease);
  cursor: pointer;
  border: 1px solid rgba(45,45,45,.04);
}
.quick-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--c-brown-light); }
.quick-ico {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(184,153,104,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--c-brown-dark);
}
.quick-card h4 { font-size: 17px; margin-bottom: 8px; }
.quick-card p { font-size: 13px; color: var(--c-gray); line-height: 1.6; }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .35s var(--ease);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

/* ---------- 优势卡（方形餐桌风，方块卡） ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.adv-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid rgba(45,45,45,.06);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--c-brown);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-num {
  font-size: 46px;
  font-weight: 800;
  color: rgba(184,153,104,.15);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 8px;
}
.adv-card h4 { font-size: 20px; margin-bottom: 12px; }
.adv-card p { color: var(--c-gray); font-size: 14px; line-height: 1.8; }

/* ---------- 服务网格 ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(45,45,45,.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(45,45,45,.06);
}
.svc-item {
  background: #fff;
  padding: 44px 36px;
  transition: all .35s var(--ease);
  position: relative;
}
.svc-item:hover { background: var(--c-cream); }
.svc-item:hover .svc-ico { transform: translateY(-4px) rotate(-4deg); }
.svc-ico {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--c-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: transform .35s var(--ease);
}
.svc-item h4 { font-size: 18px; margin-bottom: 10px; }
.svc-item p { color: var(--c-gray); font-size: 14px; line-height: 1.8; margin-bottom: 18px; }
.svc-more { font-size: 13px; color: var(--c-brown-dark); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.svc-more .arrow { transition: transform .25s; }
.svc-item:hover .svc-more .arrow { transform: translateX(4px); }

/* ---------- 案例网格 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: all .35s var(--ease);
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.case-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.case-card:hover .case-img img { transform: scale(1.08); }
.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,45,45,.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .35s var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.case-card:hover .case-overlay { opacity: 1; }
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-size: 12px;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}
.case-body { padding: 24px 26px 28px; }
.case-body h4 { font-size: 18px; margin-bottom: 8px; }
.case-body p { color: var(--c-gray); font-size: 13px; line-height: 1.7; }

/* ---------- 数据统计 ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 800;
  color: var(--c-brown-light);
  line-height: 1;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: rgba(255,255,255,.7); letter-spacing: 1px; }

/* ---------- CTA 模块 ---------- */
.cta-block {
  background: var(--c-dark);
  border-radius: var(--radius-lg);
  padding: 72px 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(184,153,104,.35), transparent 70%);
  border-radius: 50%;
}
.cta-title { font-size: 32px; font-weight: 700; margin-bottom: 10px; position: relative; }
.cta-desc { color: rgba(255,255,255,.7); position: relative; }
.cta-actions { position: relative; display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 新闻列表（首页） ---------- */
.news-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .35s var(--ease);
  border: 1px solid rgba(45,45,45,.04);
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-thumb {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 24px 26px 28px; }
.news-meta { display: flex; gap: 16px; font-size: 12px; color: var(--c-gray-2); margin-bottom: 12px; }
.news-meta .date { display: inline-flex; align-items: center; gap: 6px; }
.news-card h4 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color .25s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover h4 { color: var(--c-brown-dark); }
.news-card p {
  color: var(--c-gray);
  font-size: 13.5px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 新闻列表页 news.html ---------- */
.news-page { display: grid; grid-template-columns: 1fr 280px; gap: 40px; }
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(45,45,45,.06);
  transition: transform .3s;
}
.news-item:hover { transform: translateX(4px); }
.news-item .ni-thumb {
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.news-item .ni-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-item:hover .ni-thumb img { transform: scale(1.06); }
.news-item .ni-body { padding-top: 6px; }
.news-item .ni-date { font-size: 13px; color: var(--c-gray-2); margin-bottom: 10px; }
.news-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.45;
  transition: color .25s;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-item:hover h3 { color: var(--c-brown-dark); }
.news-item p { color: var(--c-gray); font-size: 14px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 侧边栏 */
.sidebar { display: flex; flex-direction: column; gap: 28px; }
.widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(45,45,45,.06);
}
.widget h4 {
  font-size: 16px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(45,45,45,.08);
  position: relative;
}
.widget h4::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--c-brown);
}
.w-news { display: flex; flex-direction: column; gap: 16px; }
.w-news a {
  display: flex;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(45,45,45,.08);
}
.w-news a:last-child { padding-bottom: 0; border-bottom: none; }
.w-news .wn-thumb {
  width: 88px;
  height: 66px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.w-news .wn-thumb img { width: 100%; height: 100%; object-fit: cover; }
.w-news .wn-body { flex: 1; min-width: 0; }
.w-news .wn-body h5 {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 6px;
  color: var(--c-dark-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color .25s;
}
.w-news a:hover .wn-body h5 { color: var(--c-brown-dark); }
.w-news .wn-body span { font-size: 11px; color: var(--c-gray-2); }

/* ---------- 详情页 show.html ---------- */
.article-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
.article {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 52px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(45,45,45,.04);
}
.article h1 { font-size: 32px; line-height: 1.4; margin-bottom: 20px; letter-spacing: -0.5px; }
.article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--c-gray-2);
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(45,45,45,.08);
  margin-bottom: 36px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-body { font-size: 16px; line-height: 1.95; color: #333; }
.article-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.article-body p { margin-bottom: 20px; }
.article-body h2 { font-size: 22px; margin: 36px 0 16px; }
.article-body h3 { font-size: 18px; margin: 28px 0 14px; }

/* ---------- 列表页详情页通用侧边 ---------- */
.cat-list { display: flex; flex-direction: column; gap: 4px; }
.cat-list a {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--c-gray);
  transition: all .25s;
}
.cat-list a:hover, .cat-list a.active { background: var(--c-cream); color: var(--c-brown-dark); }
.cat-list a .num { color: var(--c-gray-2); font-size: 12px; }

/* ---------- 内页 Hero / 左图右文 交替 ---------- */
.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-row.reverse { direction: rtl; }
.split-row.reverse > * { direction: ltr; }
.split-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
  position: relative;
}
.split-img img { width: 100%; height: 100%; object-fit: cover; }
.split-body h3 { font-size: 28px; margin-bottom: 18px; line-height: 1.35; }
.split-body p { color: var(--c-gray); line-height: 1.85; margin-bottom: 20px; }
.split-features { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.split-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--c-dark-2);
}
.split-features li .bf {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(184,153,104,.15);
  color: var(--c-brown-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
  margin-top: 2px;
}

/* ---------- 价格表 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid rgba(45,45,45,.08);
  transition: all .35s var(--ease);
  position: relative;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-brown-light); }
.price-card.featured { border-color: var(--c-brown); box-shadow: var(--shadow-md); }
.price-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-brown);
  color: #fff;
  font-size: 12px;
  padding: 4px 16px;
  border-radius: 100px;
}
.price-name { font-size: 18px; color: var(--c-gray); margin-bottom: 6px; }
.price-amount { font-size: 42px; font-weight: 800; color: var(--c-dark); letter-spacing: -1px; }
.price-amount .unit { font-size: 14px; color: var(--c-gray); font-weight: 400; margin-left: 4px; }
.price-list { display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.price-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-dark-2);
}
.price-list li .pf { color: var(--c-brown-dark); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(45,45,45,.08);
}
.faq-q {
  width: 100%;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-dark);
  cursor: pointer;
  text-align: left;
  transition: color .2s;
}
.faq-q:hover { color: var(--c-brown-dark); }
.faq-q .fa-ico {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-cream);
  color: var(--c-brown-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .3s var(--ease), background .2s;
}
.faq-item.is-open .faq-q .fa-ico { transform: rotate(45deg); background: var(--c-brown); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .3s;
  color: var(--c-gray);
  font-size: 14.5px;
  line-height: 1.85;
}
.faq-item.is-open .faq-a { max-height: 500px; padding-bottom: 24px; }

/* ---------- 联系表单 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.ci-item { display: flex; gap: 18px; align-items: flex-start; }
.ci-ico {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(184,153,104,.1);
  color: var(--c-brown-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ci-item h4 { font-size: 15px; margin-bottom: 6px; }
.ci-item p { color: var(--c-gray); font-size: 14px; }

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(45,45,45,.06);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--c-gray); margin-bottom: 8px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(45,45,45,.12);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: #fff;
  color: var(--c-dark);
  transition: border-color .25s, box-shadow .25s;
  font-family: inherit;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--c-brown);
  box-shadow: 0 0 0 3px rgba(184,153,104,.12);
}
.form-field textarea { min-height: 120px; resize: vertical; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--c-dark);
  color: rgba(255,255,255,.7);
  padding: 80px 0 0;
}
.foot-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.foot-brand .logo { margin-bottom: 18px; color: #fff; }
.foot-brand p { font-size: 14px; line-height: 1.85; margin-bottom: 22px; }
.foot-social { display: flex; gap: 10px; }
.foot-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s;
}
.foot-social a:hover { background: var(--c-brown); color: #fff; }

.foot-col h5 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.foot-col ul { display: flex; flex-direction: column; gap: 12px; }
.foot-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s, padding-left .2s; }
.foot-col a:hover { color: var(--c-brown-light); padding-left: 4px; }

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 10px;
}
.foot-bottom .copy { color: rgba(255,255,255,.45); }
.foot-bottom .beian { display: flex; gap: 16px; color: rgba(255,255,255,.45); }
.foot-bottom .beian a:hover { color: var(--c-brown-light); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 32px;
  width: 48px;
  height: 48px;
  background: var(--c-dark);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(45,45,45,.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .35s var(--ease);
  z-index: 500;
  cursor: pointer;
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--c-brown); }

/* ---------- 滚动渐入动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal-l { opacity: 0; transform: translateX(-40px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-l.is-in { opacity: 1; transform: translateX(0); }
.reveal-r { opacity: 0; transform: translateX(40px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-r.is-in { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(.94); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-scale.is-in { opacity: 1; transform: scale(1); }

/* ---------- 合作伙伴 Logo 墙 ---------- */
.partner-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.partner-item {
  height: 84px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(45,45,45,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
  filter: grayscale(.6);
}
.partner-item:hover { filter: grayscale(0); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.partner-item img { max-height: 36px; max-width: 80%; }

/* ---------- 服务流程时间轴 ---------- */
.flow-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
}
.flow-row::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-brown-light), rgba(184,153,104,.2));
  z-index: 0;
}
.flow-item { position: relative; z-index: 1; text-align: center; }
.flow-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--c-brown);
  color: var(--c-brown-dark);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  position: relative;
  transition: all .3s var(--ease);
}
.flow-item:hover .flow-num { background: var(--c-brown); color: #fff; transform: scale(1.08); }
.flow-item h4 { font-size: 16px; margin-bottom: 6px; }
.flow-item p { font-size: 13px; color: var(--c-gray); line-height: 1.6; }

/* ---------- 团队卡片 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.team-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .35s; }
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-avatar { aspect-ratio: 1; overflow: hidden; }
.team-avatar img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.team-card:hover .team-avatar img { transform: scale(1.05); }
.team-info { padding: 22px; text-align: center; }
.team-info h4 { font-size: 17px; margin-bottom: 4px; }
.team-info span { font-size: 13px; color: var(--c-gray); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .container { padding: 0 20px; }
  .nav { gap: 24px; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
  .adv-grid, .svc-grid, .case-grid, .news-home-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-row { grid-template-columns: repeat(3, 1fr); }
  .flow-row::before { display: none; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .split-row, .contact-wrap, .article-wrap, .news-page { grid-template-columns: 1fr; gap: 40px; }
  .split-row.reverse { direction: ltr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .partner-row { grid-template-columns: repeat(4, 1fr); }
  .cta-block { padding: 48px 36px; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .sec-title { font-size: 28px; }
  .nav { display: none; }
  .hamburger { display: block; }
  .nav-cta { display: none; }
  .hero { min-height: 560px; }
  .quick-grid { grid-template-columns: 1fr; margin-top: -30px; }
  .adv-grid, .svc-grid, .case-grid, .news-home-grid, .price-grid { grid-template-columns: 1fr; }
  .flow-row { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .foot-top { grid-template-columns: 1fr; gap: 36px; }
  .partner-row { grid-template-columns: repeat(3, 1fr); }
  .article { padding: 32px 24px; }
  .article h1 { font-size: 24px; }
  .page-banner { height: 260px; }
  .page-banner-title { font-size: 30px; }
  .news-item { grid-template-columns: 1fr; gap: 16px; }
  .news-item .ni-thumb { aspect-ratio: 16/9; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .form-row { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .sec-title { font-size: 24px; }
  .flow-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .partner-row { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}