/* ============================================
   全局间距系统
   ============================================ */
:root {
  /* 基础间距单位 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 80px;

  /* 容器宽度 */
  --max-w: 1200px;
  --container-padding: 20px;

  /* 导航栏高�?*/
  --header-h: 80px;

  /* section 标准间距 */
  --section-padding-y: 80px;
  --section-header-margin-bottom: 50px;
}

*, *::before, *::after { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
}

html { 
  scroll-behavior: smooth; 
  scroll-padding-top: var(--header-h, 70px); 
  overflow-x: hidden;
}

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.8;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { 
  max-width: 100%; 
  display: block; 
}

a { 
  text-decoration: none; 
  color: inherit; 
  transition: color 0.3s; 
}

ul, ol { 
  list-style: none; 
}

.container { 
  max-width: var(--max-w); 
  margin: 0 auto; 
}

/* ---- Section Title ---- */
.section-header { 
  text-align: center; 
  padding: var(--section-padding-y) 0 0; 
  margin-bottom: var(--section-header-margin-bottom); 
}

.section-title-cn {
  font-size: 30px; 
  font-weight: 800; 
  color: var(--color-primary, #1a2a3a);
  letter-spacing: 6px; 
  position: relative; 
  display: inline-block;
  padding-left: 12px;
}

.section-title-cn::before {
  content: '';
  position: absolute; 
  left: 0; 
  top: 50%; 
  transform: translateY(-50%);
  width: 4px; 
  height: 24px; 
  background: var(--color-accent, #c41e2a); 
  border-radius: 2px;
}

.section-subtitle { 
  font-size: 12px; 
  color: var(--color-text-muted, #888888); 
  letter-spacing: 6px; 
  margin-top: 10px; 
  font-family: var(--font-en, 'Helvetica Neue', Arial, sans-serif); 
  text-transform: uppercase; 
}

/* ============================================
   导航
   ============================================ */
.site-header {
  position:fixed; top:0; left:0; right:0;
  height:var(--header-h); z-index:1000;
  background:#fff;
  box-shadow:0 1px 6px rgba(0,0,0,.08);
  border-bottom:1px solid #eee;
}
.header-inner { 
  max-width:var(--max-w); 
  margin:0 auto; 
  padding:0 var(--container-padding); 
  height:100%; 
  display:flex; 
  align-items:center; 
}

/* 三栏布局：Logo | 导航 | 功能按钮 */
.header-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 12px;
}

.header-nav { 
  display:flex; 
  gap:28px; 
  margin-left:auto; 
  padding:0 24px 0 0;
  flex-wrap:nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.header-logo img {
  height: 50px;
  width: auto;
  min-width: 180px;
  object-fit: contain;
  object-position: left center;
  image-rendering: -webkit-optimize-contrast;
}
.header-logo img:hover {
  opacity: 0.85;
}
.header-logo-text {
  display: none; /* logo图片本身已含文字，隐藏多余文�?*/
}

/* ---- 站点导航 ---- */
.header-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-sites {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  flex-shrink: 0;
}

.site-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: #666;
  letter-spacing: 1px;
  border-radius: 20px;
  background: #f8f8f8;
  border: 1px solid #eee;
  transition: all 0.3s ease;
  cursor: default;
  position: relative;
}

.site-tag::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent, #c41e2a);
  opacity: 0.6;
  flex-shrink: 0;
}

.site-tag:hover {
  color: var(--color-accent, #c41e2a);
  background: #fff;
  border-color: var(--color-accent, #c41e2a);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(196, 30, 42, 0.15);
}

.site-tag:hover::before {
  opacity: 1;
  box-shadow: 0 0 6px rgba(196, 30, 42, 0.4);
}

.header-nav { 
  display:flex; 
  gap:24px; 
  flex-wrap: nowrap;
}

/* 导航链接字体自适应 */
.nav-link {
  display:inline-block;
  vertical-align:middle;
  color:#333;
  font-size:15px;
  font-weight:500;
  letter-spacing:1px;
  position:relative;
  overflow:hidden;
  margin:4px 0;
  padding:0;
  line-height:1.4;
  transition: color .3s ease;
  white-space: nowrap;
}
.nav-link span {
  display:inline-block;
  transition: transform .3s ease-out;
}
.nav-link::after {
  content: attr(data-title);
  position:absolute;
  left:0; top:0;
  width:100%;
  color:#d8362b;
  white-space:nowrap;
  transform: translateY(100%);
  transition: transform .3s ease-out;
  pointer-events:none;
}
.nav-link:hover,
.nav-link.active { color:#d8362b; }
.nav-link:hover span,
.nav-link.active span { transform: translateY(-100%); }
.nav-link:hover::after,
.nav-link.active::after { transform: translateY(0); }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:4px; }
.hamburger span { width:22px; height:2px; background:#333; border-radius:1px; transition:.3s; }

/* ---- 语言切换按钮 ---- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 36px;
  padding: 0;
  margin-left: 16px;
  border: 1.5px solid var(--color-accent, #c41e2a);
  border-radius: 20px;
  background: transparent;
  color: var(--color-accent, #c41e2a);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.lang-toggle:hover {
  background: var(--color-accent, #c41e2a);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(196, 30, 42, 0.25);
}

.lang-toggle:active {
  transform: translateY(0);
}
@media(max-width:768px){
  .header-inner {
    padding: 0 12px;
  }
  .header-left {
    gap: 8px;
  }
  .header-sites {
    display: none;
  }
  .header-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }
  .header-nav.open {
    display: flex;
  }
  .header-right {
    gap: 8px;
  }
  .hamburger {
    display: flex;
  }
  .nav-link {
    font-size: 18px; 
    color: #333;
  }
  .lang-toggle {
    display: inline-flex;
    margin: 0;
    width: 52px;
    height: 32px;
    font-size: 12px;
    padding: 0;
  }
}

@media(max-width:992px) and (min-width:769px){
  .header-sites{
    margin-left: 10px;
    gap: 4px;
  }
  .site-tag{
    padding: 3px 8px;
    font-size: 11px;
  }
}

/* ============================================
   Hero
   ============================================ */
.hero-section {
  position:relative; height:calc(100vh - var(--header-h)); min-height:510px; overflow:hidden;
  background:linear-gradient(135deg,#1a2a3a 0%,#2d4054 45%,#1a2a3a 100%);
  margin:var(--header-h) 40px 0;
  border-radius:0 0 16px 16px;
  display:flex; align-items:center; justify-content:center;
}
@media (max-width:768px){
  .hero-section { margin-left:12px; margin-right:12px; }
}
.hero-container {
  width: 100%;
  padding: 0 var(--container-padding);
}
.hero-pattern {
  position:absolute; inset:0; z-index:1;
  background:
    repeating-linear-gradient(45deg,transparent,transparent 56px,rgba(196,30,42,.05) 56px,rgba(196,30,42,.05)112px),
    repeating-linear-gradient(-45deg,transparent,transparent 56px,rgba(196,30,42,.04) 56px,rgba(196,30,42,.04)112px);
}
.hero-diagonal {
  position:absolute; top:0; left:0; z-index:1;
  width:260px; height:100%;
  background:linear-gradient(135deg,var(--color-accent)49%,transparent50%);
  clip-path:polygon(0 0,100% 0,65% 100%,0% 100%);
  opacity:.93;
}
.hero-content { position:relative; z-index:2; text-align:center; color:#fff; padding:0 24px; }
.hero-brand-en { font-size:15px; letter-spacing:10px; opacity:.6; font-family:var(--font-en); font-weight:300; }
.hero-brand { font-size:60px; font-weight:900; letter-spacing:18px; margin:8px 0 6px; line-height:1.1; }
.hero-slogan { font-size:15px; letter-spacing:8px; opacity:.75; font-weight:300; }
.scroll-down {
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,.5); font-size:11px; letter-spacing:3px;
  display:flex; flex-direction:column; align-items:center; gap:6px;
  animation:fd 2.2s ease-in-out infinite; cursor:pointer; z-index:2;
}
.scroll-arrow { width:18px; height:18px; border-right:2px solid rgba(255,255,255,.45);border-bottom:2px solid rgba(255,255,255,.45); transform:rotate(45deg); }
@keyframes fd{0%,100%{transform:translateX(-50%) translateY(0);opacity:.5}50%{transform:translateX(-50%) translateY(8px);opacity:1}}
@media(max-width:768px){
  .hero-brand{font-size:38px;letter-spacing:8px;}
  .hero-diagonal{width:150px;}
  .hero-slogan{letter-spacing:3px;font-size:12px;}
}

/* ============================================
   管理团队
   ============================================ */
.team-section { 
  padding: var(--section-padding-y) 0; 
  background: #fff; 
}

.team-grid { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: var(--space-lg); 
}
.team-card {
  text-align:center; padding:32px 18px 26px;
  background:#fff; border-radius:var(--radius-md);
  border:1px solid var(--color-border);
  transition:transform .35s,box-shadow .35s;
}
.team-card:hover { transform:translateY(-6px); box-shadow:0 10px 36px rgba(0,0,0,.09); }
.team-avatar-wrap {
  width:96px; height:96px; border-radius:50%; margin:0 auto 16px;
  overflow:hidden; border:3px solid var(--color-bg-light);
  transition:border-color .3s;
  display:flex;align-items:center;justify-content:center;
}
.team-card:hover .team-avatar-wrap { border-color:var(--color-accent); }
.team-avatar-initial { font-size:34px;font-weight:900;color:#fff;width:100%;height:100%;border-radius:50%;display:flex;align-items:center;justify-content:center; }
.team-name { font-size:18px; font-weight:700; color:var(--color-primary); margin-bottom:2px; }
.team-role { font-size:12.5px; color:var(--color-accent); margin-bottom:12px; font-weight:600; letter-spacing:1px; }
.team-bio { font-size:12.5px; color:var(--color-text-secondary); line-height:1.85; text-align:left; }
@media(max-width:992px){.team-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:480px){.team-grid{grid-template-columns:1fr;}}

/* ============================================
   服务范围（参�?simei.cc 风格 �?红色装饰�?+ 卡片图标切换 + 下划线动画）
   ============================================ */
.services-section { 
  padding: 0; 
  background: #fafafb; 
  position: relative; 
}

/* ── 红色装饰头部条（参�?simei.cc .lista .dl-x）── */
.services-banner {
  background: linear-gradient(155deg, #c41e2a 0%, #a01822 60%, #8b1520 100%);
  padding: 70px 0 88px;
  position: relative;
  overflow: hidden;
}
.services-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  pointer-events: none;
}
.services-banner-inner {
  position: relative;
  z-index: 1;
  padding: 0 var(--container-padding);
}
.services-banner-line {
  display: block;
  width: 55px;
  height: 4px;
  background: #fff;
  margin-bottom: 28px;
}
.services-banner-title {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 6px;
  margin-bottom: 14px;
  line-height: 1.2;
}
.services-banner-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.8;
  max-width: 480px;
  letter-spacing: 1px;
}

/* ── 服务卡片主区�?── */
.services-main {
  padding: 60px var(--container-padding) 80px;
}
.services-main .section-header {
  padding-top: 0;
}

.services-grid { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 28px; 
}

/* ── 卡片整体 ── */
.service-card {
  position:relative; 
  border-radius: 8px;
  overflow: hidden; 
  transition: all .5s cubic-bezier(.16,1,.3,1);
  cursor: pointer;
}
/* 红色背景�?�?hover 时铺�?*/
.service-card::before {
  content: ''; 
  position: absolute; 
  inset: 0;
  background: #c41e2a;
  opacity: 0; 
  transition: opacity .5s cubic-bezier(.16,1,.3,1);
  z-index: 0; 
  border-radius: 8px;
}
.service-card:hover::before { 
  opacity: 1; 
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 48px rgba(196,30,42,.22);
}

/* ── 卡片内层 ── */
.service-card-inner {
  position: relative; 
  z-index: 1;
  background: #fff; 
  border-radius: 8px;
  padding: 44px 28px 34px; 
  text-align: center;
  border: 1px solid #e8e8ea;
  transition: all .5s cubic-bezier(.16,1,.3,1);
  height: 100%; 
  display: flex; 
  flex-direction: column; 
  align-items: center;
}
.service-card:hover .service-card-inner {
  background: transparent; 
  border-color: transparent;
}

/* ── 序号水印 ── */
.service-num {
  position: absolute; 
  top: 16px; 
  left: 22px;
  font-size: 52px; 
  font-weight: 900;
  color: rgba(196,30,42,.05);
  font-family: var(--font-en); 
  line-height: 1;
  transition: color .5s;
  pointer-events: none;
}
.service-card:hover .service-num { 
  color: rgba(255,255,255,.1); 
}

/* ── 图标容器 + 图标切换动画（参�?simei.cc .img / .imga / .imgb）── */
.service-icon-wrap {
  width: 72px; 
  height: 72px; 
  margin: 0 auto 24px;
  display: flex; 
  align-items: center; 
  justify-content: center;
  background: rgba(196,30,42,.06);
  border-radius: 18px;
  transition: all .5s cubic-bezier(.16,1,.3,1);
  position: relative;
}
.service-card:hover .service-icon-wrap {
  background: rgba(255,255,255,.14);
  border-radius: 20px;
  transform: scale(1.06);
}
.service-svg-icon {
  width: 36px; 
  height: 36px;
  position: absolute;
  transition: opacity .5s cubic-bezier(.16,1,.3,1);
}
/* 默认图标可见，hover图标隐藏 */
.service-svg-icon.icon-default {
  color: #c41e2a;
  opacity: 1;
}
.service-svg-icon.icon-hover {
  color: #fff;
  opacity: 0;
}
.service-card:hover .service-svg-icon.icon-default {
  opacity: 0;
}
.service-card:hover .service-svg-icon.icon-hover {
  opacity: 1;
}

/* ── 中文标题 ── */
.service-name {
  font-size: 20px; 
  font-weight: 800; 
  color: #1a2a3a;
  margin-bottom: 4px; 
  letter-spacing: 2px;
  transition: color .5s;
}
.service-card:hover .service-name { 
  color: #fff; 
}

/* ── 英文副标�?── */
.service-name-en {
  font-size: 11px; 
  color: #999;
  font-family: var(--font-en); 
  letter-spacing: 2.5px;
  margin-bottom: 18px; 
  font-weight: 500;
  text-transform: uppercase;
  transition: color .5s;
}
.service-card:hover .service-name-en { 
  color: rgba(255,255,255,.5); 
}

/* ── 描述文字 ── */
.service-desc {
  font-size: 13px; 
  color: #666; 
  line-height: 1.9;
  flex: 1; 
  transition: color .5s;
}
.service-card:hover .service-desc { 
  color: rgba(255,255,255,.7); 
}

/* ── "了解详情" �?simei.cc 风格下划线扩展动�?── */
.service-more {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-top: 24px;
  padding-top: 0;
  border-top: none;
  font-size: 13px;
  font-weight: 600;
  color: #999;
  letter-spacing: 2px;
  transition: color .5s;
  cursor: pointer;
  text-decoration: none;
}
.service-more-line {
  display: block;
  width: 38px;
  height: 3px;
  background: #999;
  margin-top: 6px;
  transition: width .5s cubic-bezier(.16,1,.3,1), 
              background .5s cubic-bezier(.16,1,.3,1);
}
.service-card:hover .service-more {
  color: #fff;
}
.service-card:hover .service-more-line {
  width: 100%;
  background: #fff;
}

/* ── 响应�?── */
@media (max-width: 1200px) {
  .services-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 24px;
  }
}
@media (max-width: 768px) {
  .services-banner {
    padding: 50px 0 60px;
  }
  .services-banner-title {
    font-size: 22px;
    letter-spacing: 4px;
  }
  .services-banner-desc {
    font-size: 13px;
  }
}
@media (max-width: 576px) {
  .services-grid { 
    grid-template-columns: 1fr; 
    gap: 20px;
  }
  .services-main {
    padding: 40px var(--container-padding) 60px;
  }
}

/* ============================================
   案例（卡片网格）
   ============================================ */
.cases-section { 
  padding: var(--section-padding-y) 0; 
  background: var(--color-bg-light, #f7f7f7); 
}

.cases-grid {
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: var(--space-md); 
  margin-top: var(--space-lg); 
}
.case-thumb {
  background:#fff; border-radius:var(--radius-md); overflow:hidden;
  border:1px solid var(--color-border); transition:all .3s;
}
.case-thumb:hover { box-shadow:0 8px 28px rgba(0,0,0,.08); transform:translateY(-3px); border-color:transparent; }
.case-thumb-img {
  aspect-ratio:16/10; background:linear-gradient(135deg,#e8e8e8,#d0d0d0);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:#999;font-weight:500;overflow:hidden;
  position:relative;
}
.case-thumb-img::after{
  content:'';position:absolute;inset:0;background:rgba(196,30,42,0);
  transition:background .3s;
}
.case-thumb:hover .case-thumb-img::after{ background:rgba(196,30,42,.06); }
.case-thumb-body { padding:14px 16px; }
.case-thumb-title { font-size:14px; font-weight:700; color:var(--color-primary); line-height:1.4; }
.case-thumb-type { font-size:11px; color:var(--color-accent); margin-top:4px; font-weight:500; }
@media(max-width:992px){.cases-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:480px){.cases-grid{grid-template-columns:1fr;}}

/* ============================================
   项目详情（图文混排）
   ============================================ */
.project-section { 
  padding: var(--section-padding-y) 0; 
  background: #fff; 
}

.project-section.alt { 
  background: var(--color-bg-light, #f7f7f7); 
}

.project-layout { 
  display: flex; 
  gap: var(--space-xl); 
  align-items: flex-start; 
  margin-top: var(--space-lg); 
}

.project-layout.rev { 
  flex-direction: row-reverse; 
}
.project-visual { flex:0 0 54%; }
.project-visual-main {
  border-radius:var(--radius-md); overflow:hidden;
  box-shadow:0 2px 16px rgba(0,0,0,.06); transition:transform .4s;
}
.project-visual-main:hover { transform:scale(1.01); }
.project-visual-main > div {
  aspect-ratio:16/9; border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:rgba(255,255,255,.25);
  overflow:hidden; position:relative;
}
.project-visual-main > div img { width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s; }
.project-visual-main:hover > div img { transform:scale(1.04); }

.project-info { flex:1; padding-top:6px; }
.project-label {
  display:inline-block; font-size:11px; letter-spacing:2px; color:var(--color-accent);
  background:var(--color-accent-light); padding:3px 12px; border-radius:20px; font-weight:600; margin-bottom:10px;
}
.project-title { font-size:23px; font-weight:800; color:var(--color-primary); line-height:1.35; margin-bottom:14px; letter-spacing:1px; }
.project-overview-label { font-size:13px; font-weight:700; color:var(--color-primary); margin-bottom:8px; }
.project-desc { font-size:14px; color:var(--color-text-secondary); line-height:1.95; }
.project-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:18px; }
.project-tag { font-size:11px; color:var(--color-text-muted); background:var(--color-bg-light); padding:3px 10px; border-radius:3px; }

/* 多图展示 */
.project-multi { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:14px; }
.project-multi > div {
  border-radius:var(--radius-sm); overflow:hidden;
  aspect-ratio:4/3; display:flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(255,255,255,.25);font-weight:600;
  transition:transform .3s; position:relative;
}
.project-multi > div:hover { transform:scale(1.03); }

@media(max-width:992px){
  .project-layout,.project-layout.rev{flex-direction:column;}
  .project-visual{flex:none;width:100%;}
  .project-multi{grid-template-columns:1fr;}
}

/* ============================================
   工作花絮 Gallery
   ============================================ */
.gallery-section { 
  padding: var(--section-padding-y) 0; 
  background: #fff; 
}

.gallery-section.alt { 
  background: var(--color-bg-light, #f7f7f7); 
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-md); 
  margin-top: var(--space-lg); 
}
.gallery-cell {
  border-radius:var(--radius-sm); overflow:hidden; position:relative;
  aspect-ratio:4/3;
  transition:transform .3s,box-shadow .3s;
}
.gallery-cell.red { background:var(--color-accent); display:flex;align-items:center;justify-content:center; }
.gallery-cell.photo {
  background:linear-gradient(135deg,#ddd,#bbb);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:rgba(0,0,0,.2);font-weight:500;
}
.gallery-cell.img img {
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  transition:transform .4s;
}
.gallery-cell.img:hover img {
  transform:scale(1.08);
}
.gallery-cell.wide { grid-column:span 2; aspect-ratio:21/9; }
.gallery-cell.tall { grid-row:span 2; aspect-ratio:3/4; }
.gallery-cell:hover { transform:scale(1.04); box-shadow:0 6px 24px rgba(0,0,0,.1); }
.gallery-overlay {
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(26,42,58,.65),transparent 55%);
  opacity:0; transition:opacity .3s;
  display:flex;align-items:flex-end;padding:10px;
}
.gallery-cell:hover .gallery-overlay { opacity:1; }
.gallery-caption { color:#fff; font-size:11px; font-weight:500; }

/* ============================================
   工作花絮 - 跑马灯效果
   ============================================ */
.gallery-marquee-wrapper {
  margin-top: var(--space-lg);
  overflow: hidden;
  width: 100%;
  position: relative;
}

/* 有图片悬停时，允许溢出显示放大的图片 */
.gallery-marquee-wrapper:has(.gallery-item:hover) {
  overflow: visible;
}

/* 渐变遮罩（左右两侧淡出效果） */
.gallery-marquee-wrapper::before,
.gallery-marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.gallery-marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, #fff, transparent);
}
.gallery-marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, #fff, transparent);
}
/* 如果父容器是深色背景，覆盖渐变颜色 */
.gallery-section.alt .gallery-marquee-wrapper::before {
  background: linear-gradient(to right, var(--color-bg-light, #f7f7f7), transparent);
}
.gallery-section.alt .gallery-marquee-wrapper::after {
  background: linear-gradient(to left, var(--color-bg-light, #f7f7f7), transparent);
}

.gallery-marquee {
  overflow: hidden;
  width: 100%;
}

.gallery-track {
  display: flex;
  width: fit-content;
  animation: marquee-scroll 80s linear infinite;
}

/* 鼠标悬停暂停 */
.gallery-marquee-wrapper:hover .gallery-track {
  animation-play-state: paused;
}

/* 电影胶片效果 - 每个画廊项 */
.gallery-item {
  flex-shrink: 0;
  width: 300px;
  height: 250px;
  margin-right: 0;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: #111;
  border-radius: 2px;
  padding: 14px 2px 16px 2px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5), inset 0 0 30px rgba(0,0,0,0.3);
  overflow: visible;
}


/* 胶片顶部齿孔带 */
.gallery-item::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 6px;
  right: 6px;
  height: 10px;
  /* 多彩齿孔：交替暖金/冷蓝灰/中性灰 */
  background: repeating-linear-gradient(90deg, #fff 0px, #fff 5px, transparent 5px, transparent 12px);
  z-index: 5;
  pointer-events: none;
  opacity: 0.9;
  border-radius: 1px;
}

/* 胶片底部齿孔带 */
.gallery-item::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 6px;
  right: 6px;
  height: 10px;
  /* 浅灰色齿孔 - 在黑色胶片上可见 */
  background: repeating-linear-gradient(90deg, #fff 0px, #fff 5px, transparent 5px, transparent 12px);
  z-index: 5;
  pointer-events: none;
  opacity: 0.9;
  border-radius: 1px;
}

.gallery-item:hover {
  transform: scale(1.5);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  z-index: 100;
  flex-shrink: 0;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.0);
}

/* 跑马灯动画：从右向左滚动 */
@keyframes marquee-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    /* 移动到一半（因为有两套相同的图片），实现无缝衔接 */
    transform: translateX(-50%);
  }
}

/* 移动端适配 */
@media(max-width:768px){
  .gallery-item {
    width: 200px;
    height: 140px;
    margin-right: 0;
  }
  .gallery-marquee-wrapper::before,
  .gallery-marquee-wrapper::after {
    width: 30px;
  }
}

@media(max-width:768px){
  .gallery-grid{grid-template-columns:repeat(3,1fr);}
  .gallery-cell.wide{grid-column:span 1;aspect-ratio:4/3;}
}

/* ============================================
   联系我们 / 页脚
   ============================================ */

/* 案例页面顶部 Banner */
.cases-hero {
  position:relative; height:52vh; min-height:340px; overflow:hidden;
  background:linear-gradient(135deg,#1a2a3a 0%,#2d4054 45%,#1a2a3a 100%);
  display:flex; align-items:center; justify-content:center;
}
@media(max-width:768px){
  .cases-hero{ min-height:280px; }
}

/* 联系页面顶部 Banner（比首页 Hero 矮） */
.contact-hero {
  position:relative; height:52vh; min-height:340px; overflow:hidden;
  background: #fff;
  display:flex; align-items:center; justify-content:center;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* 联系页面顶部文字颜色 */
.contact-hero .hero-content {
  color: var(--color-text-primary, #333);
}

/* 联系页面顶部隐藏装饰元素 */
.contact-hero .hero-pattern,
.contact-hero .hero-diagonal {
  display: none;
}
@media(max-width:768px){
  .contact-hero{ min-height:280px; }
}

.contact-section {
  padding: var(--section-padding-y) 0;
  background: #fff;
  color: var(--color-text-primary, #333);
}
.contact-section .container {
  padding: 0 var(--container-padding);
}

/* 联系卡片网格 */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border, #e8e8e8);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width .4s ease;
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.08);
  border-color: transparent;
}
.contact-card:hover::before {
  width: 100%;
}
.contact-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  background: rgba(196,30,42,.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: background .3s, transform .3s;
}
.contact-card:hover .contact-card-icon {
  background: var(--color-accent);
  color: #fff;
  transform: scale(1.05);
}
.contact-card-icon svg {
  width: 24px;
  height: 24px;
}
.contact-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary, #222);
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.contact-card-body {
  text-align: left;
  padding: 0 8px;
}
.contact-card-line {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border, #eee);
  font-size: 13px;
  line-height: 1.7;
}
.contact-card-line:last-child {
  border-bottom: none;
}
.contact-card-label {
  color: var(--color-text-secondary, #999);
  font-size: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}
.contact-card-val {
  color: var(--color-text-primary, #333);
  font-weight: 500;
  text-align: right;
}

/* 分割�?*/
.contact-divider {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto var(--space-lg);
}
.contact-divider-line {
  flex: 1;
  height: 1px;
  background: var(--color-border, #e0e0e0);
}
.contact-divider-text {
  font-size: 12px;
  color: var(--color-text-secondary, #aaa);
  letter-spacing: 2px;
  white-space: nowrap;
}

/* 二维�?*/
.contact-qr {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.qr-box-new {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  background: #fafafa;
  border: 1px solid var(--color-border, #eee);
  border-radius: var(--radius-md, 8px);
  padding: 28px 40px;
  transition: box-shadow .3s;
}
.qr-box-new:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.qr-code-img {
  width: 110px;
  height: 110px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.qr-code-label {
  font-size: 13px;
  color: var(--color-text-secondary, #888);
  line-height: 1.8;
  text-align: left;
}

/* 公司信息底栏 */
.contact-company {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-secondary, #999);
  letter-spacing: 1px;
}
.contact-company strong {
  color: var(--color-text-primary, #333);
  font-size: 15px;
}
.contact-company-divider {
  margin: 0 12px;
  color: var(--color-border, #ddd);
}

/* 响应�?*/
@media (max-width: 768px) {
  .contact-cards {
    grid-template-columns: 1fr;
  }
  .contact-card-body {
    padding: 0 16px;
  }
  .qr-box-new {
    flex-direction: column;
    padding: 24px;
  }
  .qr-code-label {
    text-align: center;
  }
}

.site-footer{background:#111;color:rgba(255,255,255,.4);padding:36px 0 24px;font-size:12px;border-top:1px solid rgba(255,255,255,.06);}
.site-footer .container {
  padding: 0 var(--container-padding);
}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}
.footer-logo{font-size:20px;font-weight:800;letter-spacing:4px;color:rgba(255,255,255,.7);}
.footer-links a{color:rgba(255,255,255,.4);font-size:12px;margin-left:20px;transition:color .3s;}
.footer-links a:hover{color:var(--color-accent);}
.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.06);text-align:center;opacity:.5;}
.footer-beian{margin-top:12px;text-align:center;font-size:12px;}
.footer-beian a{color:rgba(255,255,255,.55);text-decoration:none;transition:color .3s;}
.footer-beian a:hover{color:var(--color-accent);}

.back-to-top{
  position:fixed;bottom:28px;right:28px;width:42px;height:42px;border-radius:50%;
  background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s;z-index:999;border:none;font-size:17px;
}
.back-to-top.show{opacity:1;visibility:visible;transform:none;}
.back-to-top:hover{background:var(--color-accent-hover);transform:translateY(-3px);}

/* ============================================
   案例分类筛选
   ============================================ */
.case-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: var(--space-lg);
}

.case-filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 24px;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 1px;
}

.case-filter-btn:hover {
  color: var(--color-accent, #c41e2a);
  border-color: var(--color-accent, #c41e2a);
  background: rgba(196, 30, 42, 0.04);
}

.case-filter-btn.active {
  color: #fff;
  background: var(--color-accent, #c41e2a);
  border-color: var(--color-accent, #c41e2a);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(196, 30, 42, 0.25);
}

/* 案例卡片筛选动画 */
.case-thumb.filter-hide {
  display: none;
}

.case-thumb.filter-show {
  animation: fadeInUp 0.4s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .case-filter-bar {
    gap: 8px;
  }
  .case-filter-btn {
    padding: 6px 16px;
    font-size: 13px;
  }
}

/* ============================================
   案例视频弹窗
   ============================================ */
.case-video-modal {
  position:fixed; inset:0; z-index:10000;
  background:rgba(0,0,0,.88);
  display:flex; align-items:center; justify-content:center;
  padding:24px; opacity:0; transition:opacity .3s;
}
.case-video-modal.show { opacity:1; }
.case-video-wrap {
  max-width:900px; width:100%; position:relative;
}
.case-video-close {
  position:absolute; top:-42px; right:0;
  background:none; border:none; color:#fff;
  font-size:36px; cursor:pointer; line-height:1;
  transition:color .2s;
}
.case-video-close:hover { color:var(--color-accent); }
.case-video-wrap video {
  width:100%; border-radius:8px; background:#000;
  box-shadow:0 8px 40px rgba(0,0,0,.5);
}
.case-video-info { margin-top:18px; color:#fff; }
.case-video-info h3 { font-size:20px; font-weight:700; margin-bottom:8px; }
.case-video-info p { font-size:14px; opacity:.7; line-height:1.7; }
.case-video-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
.case-video-tags span {
  font-size:11px; color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.08);
  padding:3px 10px; border-radius:3px;
}

/* 案例卡片视频标识 */
.case-thumb.has-video { cursor:pointer; }
.case-thumb.has-video .case-thumb-img::before {
  content:'�?; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:44px; height:44px; line-height:44px;
  border-radius:50%; background:rgba(196,30,42,.85);
  color:#fff; font-size:16px; text-align:center;
  z-index:2; opacity:0; transition:opacity .3s;
}
.case-thumb.has-video:hover .case-thumb-img::before { opacity:1; }
.case-thumb.has-video .case-thumb-img::after {
  content:'有视�?; position:absolute; top:8px; right:8px;
  font-size:10px; color:#fff; background:var(--color-accent);
  padding:2px 8px; border-radius:10px; z-index:2;
  transition:background .3s;
}
.case-thumb.has-video:hover .case-thumb-img::after {
  background:rgba(196,30,42,.9);
}

/* 动态加载的案例卡片（与管理后台上传的案例匹配） */
.case-thumb-dynamic .case-thumb-img img {
  width:100%; height:100%; object-fit:cover; display:block;
}

/* ============================================
   客户品牌 — 轮播式
   ============================================ */
.clients-section {
  padding: var(--section-padding-y) 0;
  background: #fafafa;
  border-top: 1px solid var(--color-border, #e8e8e8);
  overflow: hidden;
}

/* 轮播外壳 */
.clients-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 48px;
}

/* 箭头按钮 */
.clients-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border, #e8e8e8);
  background: #fff;
  color: #333;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  flex-shrink: 0;
}
.clients-arrow:hover {
  background: var(--color-accent, #c41e2a);
  color: #fff;
  border-color: var(--color-accent, #c41e2a);
  box-shadow: 0 4px 16px rgba(196,30,42,0.25);
}
.clients-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}
.clients-arrow-left { left: 4px; }
.clients-arrow-right { right: 4px; }

/* 轮播视口 */
.clients-carousel {
  width: 100%;
  overflow: hidden;
}

/* 内部网格 — 只显示两行，隐藏溢出 */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  transition: transform 0.45s cubic-bezier(.16,1,.3,1);
}

@media (max-width: 1200px) {
  .clients-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 992px) {
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .clients-carousel-wrapper { padding: 0 40px; }
  .clients-arrow { width: 34px; height: 34px; font-size: 15px; }
}

@media (max-width: 576px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-carousel-wrapper { padding: 0 32px; }
  .clients-arrow { width: 30px; height: 30px; font-size: 13px; }
}

/* logo 方块 */
.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--color-border, #e8e8e8);
  border-radius: 0;
  padding: 0;
  aspect-ratio: 1 / 1;
  cursor: default;
}

.client-logo img {
  max-width: 80%;
  max-height: 80%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* 动画 */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .65s cubic-bezier(.16,1,.3,1),transform .65s cubic-bezier(.16,1,.3,1);}
.fade-in.visible{opacity:1;transform:none;}

/* 红色装饰斜条 */
.accent-stripe{
  overflow: hidden;
}
.accent-stripe::before{
  content:'';position:absolute;top:0;right:0;width:180px;height:100%;
  background:linear-gradient(to bottom left,var(--color-accent)49%,transparent50%);
  opacity:.06;pointer-events:none;
}