/* ============================================
   PROBASE 官网核心样式 - 影视娱乐暗黑电影感
   设计：极简 / 大字排版 / 电影感 / 品牌黄
   ============================================ */

:root {
  --bg: #0a0a0a;
  --bg-soft: #141414;
  --bg-card: #1a1a1a;
  --text: #f0f0f0;
  --text-soft: #999;
  --text-muted: #666;
  --accent: #ffc600;
  --accent-dim: rgba(255, 198, 0, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --font-sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif SC", "Playfair Display", Georgia, serif;
  --container: 1400px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 40px; }
.section { padding: 120px 0; position: relative; }
.section-label {
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}
.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.section-desc {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 600px;
  line-height: 1.8;
}

/* ===== 导航栏 ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: all var(--transition);
  backdrop-filter: blur(0px);
}
.nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 2px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--accent); }
.nav-menu {
  display: flex;
  gap: 8px;
  align-items: center;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  position: relative;
  transition: color var(--transition);
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  transition: all var(--transition);
  transform: translateX(-50%);
}
.nav-menu > li:hover > a,
.nav-menu > li.active > a {
  color: #fff;
}
.nav-menu > li:hover > a::after,
.nav-menu > li.active > a::after {
  width: 20px;
}
.nav-sub {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.nav-menu > li:hover .nav-sub {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-sub li a {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-soft);
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-sub li a:hover {
  background: var(--accent-dim);
  color: var(--accent);
}
.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent);
  color: #000 !important;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: all var(--transition) !important;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,198,0,0.3);
}
.nav-cta::after { display: none !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: #fff;
  transition: all var(--transition);
}

/* ===== 英雄区（轮播） ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
}
.hero-slides {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.2s ease, visibility 1.2s ease;
}
.hero-slide.active {
  opacity: 1;
  visibility: visible;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
}
.hero-slide.active .hero-bg {
  animation: heroZoom 8s ease-in-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.1); }
  to { transform: scale(1.2); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.7) 0%, rgba(10,10,10,0.4) 50%, rgba(10,10,10,0.8) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-slide.active .hero-eyebrow {
  animation: fadeUp 1s ease 0.3s forwards;
}
.hero-slide.active .hero-title {
  animation: fadeUp 1s ease 0.4s forwards;
}
.hero-slide.active .hero-subtitle {
  animation: fadeUp 1s ease 0.6s forwards;
}
.hero-slide.active .hero-actions {
  animation: fadeUp 1s ease 0.8s forwards;
}
.hero-eyebrow {
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 600;
  opacity: 0;
}
.hero-title {
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  opacity: 0;
  white-space: pre-line;
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-soft);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 36px;
  opacity: 0;
  white-space: pre-line;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
/* 轮播指示点 */
.hero-dots {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}
.hero-dot {
  width: 32px;
  height: 3px;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}
.hero-dot.active {
  background: var(--accent);
  width: 48px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255,198,0,0.35);
  color: #000;
}
.btn-ghost {
  border: 1px solid var(--border-strong);
  color: #fff;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== 数据统计条 ===== */
.stats {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  font-family: var(--font-serif);
}
.stat-num sup {
  font-size: 0.4em;
  top: -1em;
  color: var(--text-soft);
}
.stat-label {
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 12px;
  letter-spacing: 1px;
}

/* ===== 案例展示 ===== */
.cases { background: var(--bg); }
.cases-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
  flex-wrap: wrap;
  gap: 20px;
}
.cases-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.cases-filter a {
  padding: 8px 20px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-soft);
  transition: all var(--transition);
}
.cases-filter a:hover,
.cases-filter a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}
.cases-grid {
  column-count: 3;
  column-gap: 24px;
}
.case-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  break-inside: avoid;
  margin-bottom: 24px;
  display: block;
}
.case-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.case-card:hover img { transform: scale(1.03); }
.case-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--transition);
}
.case-card:hover .case-card-overlay { opacity: 1; }
.case-card-cat {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.case-card-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

/* ===== 服务板块 ===== */
.services { background: var(--bg-soft); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 60px;
}
.service-item {
  background: var(--bg-soft);
  padding: 50px 40px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-item:hover { background: var(--bg-card); }
.service-item:hover::before { transform: scaleX(1); }
.service-num {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-serif);
  margin-bottom: 20px;
}
.service-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}
.service-desc {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 20px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
}

/* ===== 优势板块 ===== */
.advantages {
  background: var(--bg);
  position: relative;
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.adv-card {
  padding: 40px 30px;
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition);
  background: transparent;
}
.adv-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.adv-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--accent);
}
.adv-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.adv-desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* ===== 合作品牌 ===== */
.brands {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.brands-track {
  display: flex;
  gap: 40px;
  overflow: hidden;
  margin-top: 40px;
  mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}
.brands-slide {
  display: flex;
  gap: 40px;
  animation: marquee 30s linear infinite;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
.brand-item {
  flex-shrink: 0;
  width: 160px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 16px;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.brand-item:hover { opacity: 1; }
.brand-item img { max-height: 100%; object-fit: contain; filter: grayscale(100%); transition: filter var(--transition); }
.brand-item:hover img { filter: grayscale(0%); }

/* ===== 新闻动态 ===== */
.news { background: var(--bg); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}
.news-card {
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}
.news-card:hover { transform: translateY(-6px); }
.news-card-img {
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-card);
}
.news-card-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.6s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-date {
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.news-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-excerpt {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 内页Banner ===== */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}
.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}
.page-hero-en {
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.page-hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  letter-spacing: -1px;
}
.breadcrumb {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--accent); }

/* ===== 文章内容页 ===== */
.article {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 40px;
}
.article-header {
  text-align: center;
  margin-bottom: 50px;
}
.article-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
}
.article-body {
  font-size: 17px;
  line-height: 2;
  color: #d0d0d0;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
}
.article-body * {
  max-width: 100%;
  text-wrap-mode: wrap !important;
  white-space: normal !important;
}
.article-body p { margin-bottom: 1.5em; }
.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 2em 0 1em;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 1.5em 0 0.8em;
}
.article-body img {
  border-radius: 12px;
  margin: 2em 0;
  max-width: 100%;
  height: auto;
  display: block;
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 20px 30px;
  margin: 2em 0;
  background: var(--bg-card);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-soft);
}
.article-body ul, .article-body ol {
  margin: 1em 0;
  padding-left: 2em;
}
.article-body li { margin-bottom: 0.5em; list-style: disc; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-body th, .article-body td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
  word-break: break-word;
}
.article-body th { background: var(--bg-card); font-weight: 700; }
.article-body pre {
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  padding: 16px;
  background: var(--bg-card);
  border-radius: 8px;
  font-size: 14px;
}
.article-body iframe, .article-body video {
  max-width: 100%;
  height: auto;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.article-nav-item {
  padding: 24px;
  background: var(--bg-card);
  border-radius: 12px;
  transition: all var(--transition);
}
.article-nav-item:hover { border-color: var(--accent); }
.article-nav-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.article-nav-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}
.article-nav-next { text-align: right; }

/* ===== 联系页 ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 30px;
}
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  font-size: 18px;
}
.contact-item-text .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-item-text .value {
  font-size: 16px;
  font-weight: 500;
}
.contact-form {
  background: var(--bg-card);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.contact-form p {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 30px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== 页脚 ===== */
.footer {
  background: #050505;
  padding: 80px 0 30px;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand .logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.footer-brand .logo span { color: var(--accent); }
.footer-brand p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-soft);
  transition: all var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-soft); }

/* ===== 浮动客服 ===== */
.float-bar {
  position: fixed;
  right: 24px;
  bottom: 40px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 18px;
}
.float-btn:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: scale(1.1);
}
.float-qr {
  position: absolute;
  right: 60px;
  bottom: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  width: 160px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.float-btn:hover .float-qr {
  opacity: 1;
  visibility: visible;
  right: 64px;
}
.float-qr img { width: 100%; border-radius: 8px; margin-bottom: 8px; }
.float-qr p { font-size: 12px; color: var(--text-soft); }

/* ===== 列表页 ===== */
.list-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.list-filter a {
  padding: 8px 22px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-soft);
  transition: all var(--transition);
}
.list-filter a:hover, .list-filter a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}
.list-grid {
  column-count: 3;
  column-gap: 28px;
}
.list-item {
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  break-inside: avoid;
  margin-bottom: 28px;
  display: block;
}
.list-item:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}
.list-item-img {
  overflow: hidden;
  background: var(--bg-card);
}
.list-item-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}
.list-item:hover .list-item-img img { transform: scale(1.03); }
.list-item-body { padding: 24px; }
.list-item-cat {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.list-item-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-item-excerpt {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-item-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

/* 新闻列表横向 */
.news-list-h { display: flex; flex-direction: column; gap: 24px; }
.news-list-h .list-item {
  display: block;
}
.news-list-h .list-item > a {
  display: grid;
  grid-template-columns: 280px 1fr;
  width: 100%;
  min-height: 100%;
}
.news-list-h .list-item-img { aspect-ratio: auto; height: 100%; }
.news-list-h .list-item-img img { height: 100%; object-fit: cover; }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
}
.pagination a, .pagination span {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: all var(--transition);
}
.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.pagination .current {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 700;
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .section { padding: 80px 0; }
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    width: 80%; max-width: 320px;
    height: 100vh;
    background: var(--bg-card);
    padding: 80px 30px 30px;
    gap: 0;
    z-index: 1001;
    overflow-y: auto;
  }
  .nav-menu.open > li > a { padding: 16px 0; border-bottom: 1px solid var(--border); }
  .nav-sub { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; background: transparent; padding: 0 0 0 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .cases-grid { column-count: 2; }
  .services-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .list-grid { column-count: 2; }
  .news-list-h .list-item > a { grid-template-columns: 1fr; }
  .news-list-h .list-item-img { height: auto; }
  .news-list-h .list-item-img img { height: auto; object-fit: contain; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .article-nav { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .hero { min-height: 600px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .cases-grid { column-count: 1; }
  .advantages-grid { grid-template-columns: 1fr; }
  .list-grid { column-count: 1; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .article { padding: 40px 16px; }
  .article-body { font-size: 15px; }
  .float-bar { right: 12px; bottom: 24px; }
  .float-btn { width: 42px; height: 42px; }
}

/* 图片懒加载占位 */
img[data-src] {
  background: var(--bg-card);
  min-height: 100px;
}

/* ============================================
   关于我们页面专属样式
   ============================================ */

/* 品牌宣言 */
.about-manifesto { padding: 140px 0; }
.manifesto-inner { max-width: 900px; margin: 0 auto; }
.manifesto-title {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -1px;
  margin: 20px 0 40px;
}
.manifesto-title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--accent);
  font-weight: 400;
}
.manifesto-text {
  font-size: 18px;
  line-height: 2;
  color: var(--text-soft);
  max-width: 760px;
}

/* 双厂牌 */
.labels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.label-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.label-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.label-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.label-card:hover::before { transform: scaleX(1); }
.label-tag {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}
.label-name {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
.label-cn {
  font-size: 15px;
  color: var(--text-soft);
  margin-bottom: 24px;
}
.label-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-soft);
  margin-bottom: 28px;
}
.label-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.label-list li {
  font-size: 13px;
  padding: 6px 14px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
}

/* 时间线 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}
.timeline-item {
  position: relative;
  padding-bottom: 48px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  z-index: 1;
}
.timeline-year {
  font-size: 32px;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-serif);
  margin-bottom: 8px;
  line-height: 1;
}
.timeline-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* 核心能力 */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.cap-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  transition: all var(--transition);
}
.cap-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.cap-num {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-serif);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.cap-item h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cap-item p {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 20px;
}
.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cap-tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
}

/* 服务流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.process-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition);
}
.process-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.process-step {
  font-size: 36px;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-serif);
  margin-bottom: 16px;
  line-height: 1;
  opacity: 0.6;
}
.process-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.process-item p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 企业文化 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.culture-card {
  text-align: center;
  padding: 40px 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition);
}
.culture-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  background: var(--bg-card);
}
.culture-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 20px;
}
.culture-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.culture-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* 关于页响应式 */
@media (max-width: 1024px) {
  .labels-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .about-manifesto { padding: 80px 0; }
}
@media (max-width: 640px) {
  .process-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .label-card { padding: 32px 24px; }
  .cap-item { padding: 28px 24px; }
  .manifesto-text { font-size: 16px; }
  .timeline { padding-left: 30px; }
  .timeline-item::before { left: -28px; }
}

/* ============================================
   联系我们页面专属样式
   ============================================ */

/* 联系引导 */
.contact-intro { padding-bottom: 40px; }
.contact-intro-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.contact-intro-title {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 800;
  line-height: 1.3;
  margin: 20px 0 24px;
  letter-spacing: -1px;
}
.contact-intro-title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--accent);
  font-weight: 400;
}
.contact-intro-text {
  font-size: 17px;
  line-height: 2;
  color: var(--text-soft);
  max-width: 680px;
  margin: 0 auto;
}

/* 联系方式卡片 */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
}
.channel-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.channel-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 14px;
  font-size: 24px;
}
.channel-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.channel-value {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  word-break: break-all;
}
.channel-value a { color: var(--text); }
.channel-value a:hover { color: var(--accent); }
.channel-desc {
  font-size: 12px;
  color: var(--text-muted);
}
.channel-qr {
  margin-top: 12px;
}
.channel-qr img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 8px;
  margin: 0 auto;
}
.channel-qr p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* 社交平台 */
.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.social-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all var(--transition);
}
.social-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.social-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  border-radius: 12px;
  flex-shrink: 0;
}
.social-info h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.social-info p {
  font-size: 12px;
  color: var(--text-muted);
}

/* 表单+流程双栏 */
.contact-main-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
}
.contact-process {
  padding: 20px 0;
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.process-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.step-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-serif);
  line-height: 1;
  flex-shrink: 0;
  width: 44px;
  opacity: 0.7;
}
.step-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 表单样式增强 */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  transition: all var(--transition);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.active {
  border-color: var(--accent);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  gap: 16px;
}
.faq-q h4 {
  font-size: 16px;
  font-weight: 600;
}
.faq-toggle {
  font-size: 22px;
  color: var(--accent);
  font-weight: 300;
  flex-shrink: 0;
  transition: transform var(--transition);
  width: 24px;
  text-align: center;
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
}
.faq-item.active .faq-a {
  max-height: 300px;
  padding: 0 28px 22px;
}
.faq-a p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.9;
}

/* 联系页响应式 */
@media (max-width: 1024px) {
  .channels-grid { grid-template-columns: repeat(2, 1fr); }
  .social-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-main-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .channels-grid { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 22px; }
  .faq-q { padding: 18px 20px; }
  .faq-item.active .faq-a { padding: 0 20px 18px; }
  .contact-intro-text { font-size: 15px; }
}