/* ==========================================================
   大丰市明鸿铸造机械制造有限公司 - 官网首页样式
   主题：工业深蓝 + 熔融橙，1500px 版心
   ========================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --navy-950: #07182E;
  --navy-900: #0A2140;
  --navy-800: #0D2E5C;
  --blue-700: #10498C;
  --blue-600: #1359B8;
  --blue-500: #2B7AE0;
  --blue-100: #E6EFFB;
  --accent: #FF7A1A;
  --accent-dark: #E85D00;
  --accent-soft: #FFF1E6;
  --bg-light: #F5F7FA;
  --line: #E4E9F0;
  --text: #1F2D3D;
  --text-muted: #5B6B7F;
  --white: #fff;
  --shadow-sm: 0 4px 14px rgba(13, 46, 92, .07);
  --shadow-md: 0 12px 32px rgba(13, 46, 92, .12);
  --shadow-accent: 0 10px 26px rgba(255, 122, 26, .35);
  --radius: 12px;
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --container: 1500px;
}

/* ---------- 重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  transition: all .3s ease;
}
.btn i { font-size: 15px; }
.btn-accent { background: var(--accent); color: var(--white); box-shadow: var(--shadow-accent); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.75); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: var(--white); }
.btn-ghost-dark { border: 1.5px solid rgba(255,255,255,.75); color: var(--white); }
.btn-ghost-dark:hover { background: rgba(255,255,255,.14); border-color: var(--white); }

/* ---------- 区块标题 ---------- */
.section { padding: 92px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
}
.section-eyebrow i { font-size: 16px; }
.section-head h2 {
  font-size: 36px;
  font-weight: 900;
  color: var(--navy-900);
  margin: 10px 0 14px;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 58px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), #FFB56B);
  margin: 16px auto 0;
}
.section-head p { color: var(--text-muted); font-size: 15px; margin-top: 8px; }
.section-head.light h2 { color: var(--white); }
.section-head.light p { color: rgba(255,255,255,.72); }

/* ==========================================================
   顶部导航
   ========================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(7, 24, 46, .42), rgba(7, 24, 46, .12));
  transition: background .35s ease, box-shadow .35s ease;
}
.site-header.scrolled {
  background: rgba(10, 33, 64, .92);
  box-shadow: 0 8px 28px rgba(2, 12, 32, .28);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
  transition: height .3s ease;
}
.site-header.scrolled .header-inner { height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-logo { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  color: var(--white);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 1px;
}
.brand-text em {
  color: #9DB8E0;
  font-size: 10px;
  font-style: normal;
  letter-spacing: 3.5px;
  margin-top: 2px;
}

.main-nav ul { display: flex; gap: 6px; }
.nav-link {
  position: relative;
  display: block;
  padding: 10px 16px;
  color: rgba(255,255,255,.88);
  font-size: 15px;
  font-weight: 500;
  transition: color .25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}
.header-tel i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-size: 17px;
  box-shadow: var(--shadow-accent);
  transition: transform .3s ease;
}
.header-tel:hover i { transform: rotate(-12deg) scale(1.06); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 10px;
  color: var(--white);
  font-size: 26px;
}

.mobile-menu {
  display: none;
  background: rgba(10, 33, 64, .97);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 12px 24px 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; }
.m-link {
  display: block;
  padding: 13px 4px;
  color: rgba(255,255,255,.85);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.m-link.active, .m-link:hover { color: var(--accent); }
.mobile-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 11px 22px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
}

/* ==========================================================
   Banner 轮播（整屏）
   ========================================================== */
.hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; }
.hero-swiper, .hero-swiper .swiper-wrapper, .hero-swiper .swiper-slide { height: 100%; }
.hero-slide { position: relative; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 6.5s ease;
}
.swiper-slide-active .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 22, 44, .86) 0%, rgba(6, 22, 44, .62) 42%, rgba(6, 22, 44, .22) 100%),
    linear-gradient(0deg, rgba(6, 22, 44, .45), transparent 46%);
}
.slide-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 40px;
}
.slide-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  color: #FFB56B;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.5px;
  padding: 7px 16px;
  border: 1px solid rgba(255, 181, 107, .45);
  border-radius: 30px;
  background: rgba(7, 24, 46, .35);
}
.slide-inner h1 {
  font-size: 58px;
  font-weight: 900;
  color: var(--white);
  margin: 22px 0 20px;
  letter-spacing: 2px;
  line-height: 1.2;
}
.slide-inner > p {
  max-width: 640px;
  color: rgba(255,255,255,.86);
  font-size: 17px;
}
.slide-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 24px 0 34px;
}
.slide-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.92);
  font-size: 15px;
}
.slide-points li i { color: var(--accent); font-size: 15px; }
.slide-btns { display: flex; gap: 16px; }

/* 轮播文字入场动画（每次切换重放） */
.hero-slide .slide-inner > * {
  opacity: 0;
  animation: heroIn .8s ease forwards;
  animation-delay: calc(var(--i, 0) * .12s + .25s);
}
.hero-slide .slide-inner .slide-eyebrow { --i: 0; }
.hero-slide .slide-inner h1 { --i: 1; }
.hero-slide .slide-inner > p { --i: 2; }
.hero-slide .slide-inner .slide-points { --i: 3; }
.hero-slide .slide-inner .slide-btns { --i: 4; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(34px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 轮播控件 */
.hero-pagination {
  position: absolute;
  left: 24px; bottom: 52px;
  width: auto !important;
  z-index: 5;
  display: flex;
  gap: 8px;
}
.hero-pagination .swiper-pagination-bullet {
  width: 26px; height: 6px;
  border-radius: 2px;
  background: rgba(255,255,255,.5);
  background-clip: content-box;
  padding: 6px 0;
  opacity: 1;
  transition: all .3s ease;
  margin: 0 !important;
}
.hero-pagination .swiper-pagination-bullet-active {
  background: var(--accent);
  width: 44px;
}
.hero-nav {
  position: absolute;
  right: 24px; bottom: 44px;
  z-index: 5;
  display: flex;
  gap: 12px;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.55);
  color: var(--white);
  font-size: 20px;
  transition: all .3s ease;
}
.hero-btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-accent); }
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  color: rgba(255,255,255,.8);
  font-size: 24px;
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: .7; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ==========================================================
   数据统计
   ========================================================== */
.stats {
  position: relative;
  z-index: 6;
  /*margin-top: -74px;*/
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 26px 24px;
  border-bottom: 3px solid transparent;
  transition: all .3s ease;
}
.stat-item:hover { border-bottom-color: var(--accent); transform: translateY(-4px); }
.stat-item > i {
  font-size: 34px;
  color: var(--blue-600);
  transition: color .3s ease;
}
.stat-item:hover > i { color: var(--accent); }
.stat-num { font-weight: 900; color: var(--navy-900); font-size: 30px; line-height: 1; }
.stat-num em { font-style: normal; font-size: 18px; color: var(--accent); margin-left: 2px; }
.stat-item p { color: var(--text-muted); font-size: 13px; margin-top: 6px; }

/* ==========================================================
   推荐产品
   ========================================================== */
.products-section { background: var(--bg-light); }
.products-wrap {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 34px;
  align-items: start;
}

/* 左侧分类 */
.cat-side {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px 20px;
  position: sticky;
  top: 96px;
}
.cat-side h3 {
  font-size: 17px;
  color: var(--navy-900);
  padding: 0 10px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-side h3 i { color: var(--accent); }
.cat-side ul { padding: 12px 0; }
.cat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 12px;
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: all .25s ease;
  text-align: left;
}
.cat-btn i { color: #A9B7C8; font-size: 16px; transition: color .25s ease; }
.cat-btn:hover { background: var(--blue-100); color: var(--blue-600); }
.cat-btn:hover i { color: var(--blue-600); }
.cat-btn.active { background: var(--navy-900); color: var(--white); }
.cat-btn.active i { color: var(--accent); }
.cat-contact {
  margin-top: 14px;
  padding: 16px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-soft), #FFE3C4);
  text-align: center;
}
.cat-contact i { font-size: 26px; color: var(--accent); }
.cat-contact p { font-size: 12px; color: var(--text-muted); margin: 6px 0 2px; }
.cat-contact a { color: var(--accent-dark); font-weight: 800; font-size: 16px; }

/* 右侧产品列表 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card.filtered { display: none; }
.product-card.pop { animation: cardIn .4s ease; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.p-img { position: relative; overflow: hidden; aspect-ratio: 4/3; background: #EFF3F8; }
.p-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s ease; }
.product-card:hover .p-img img { transform: scale(1.07); }
.p-more {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px;
  background: rgba(10, 33, 64, .88);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  transform: translateY(100%);
  transition: transform .35s ease;
}
.product-card:hover .p-more { transform: translateY(0); }
.p-more i { color: var(--accent); }
.p-info { padding: 18px 20px 22px; }
.p-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 600;
}
.p-info h3 { font-size: 18px; color: var(--navy-900); margin: 10px 0 6px; }
.p-info p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ==========================================================
   产品应用（行业轮播）
   ========================================================== */
.apps-section {
  background:
    radial-gradient(1200px 520px at 85% -10%, rgba(43, 122, 224, .16), transparent 60%),
    var(--navy-900);
  overflow: hidden;
}
.apps-swiper-wrap { position: relative; max-width: var(--container); margin: 0 auto; padding: 0 86px; }
.apps-swiper { overflow: hidden; }
.app-slide {
  position: relative;
  height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.app-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.app-slide:hover .app-bg { transform: scale(1.08); }
.app-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 22, 44, .92) 0%, rgba(6, 22, 44, .38) 46%, rgba(6, 22, 44, .12) 100%);
}
.app-content { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px; z-index: 2; }
.app-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--white);
  font-size: 26px;
  box-shadow: var(--shadow-accent);
  margin-bottom: 16px;
}
.app-content h3 { color: var(--white); font-size: 22px; font-weight: 800; }
.app-content p { color: rgba(255,255,255,.82); font-size: 13.5px; margin: 10px 0 14px; line-height: 1.7; }
.app-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.app-tags i {
  padding: 4px 13px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.35);
  color: rgba(255,255,255,.9);
  font-size: 12px;
  font-style: normal;
}
.apps-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.4);
  color: var(--white);
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.apps-btn:hover { background: var(--accent); border-color: var(--accent); box-shadow: var(--shadow-accent); }
.apps-prev { left: 6px; }
.apps-next { right: 6px; }

/* ==========================================================
   我们的优势
   ========================================================== */
.advantages-section { background: var(--white); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.adv-card {
  position: relative;
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 34px 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all .35s ease;
}
.adv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #FFB56B);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); background: var(--white); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-num {
  position: absolute;
  top: 20px; right: 26px;
  font-size: 44px;
  font-weight: 900;
  color: rgba(19, 89, 184, .1);
  line-height: 1;
}
.adv-card > i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px; height: 62px;
  border-radius: 16px;
  background: var(--navy-900);
  color: var(--accent);
  font-size: 30px;
  margin-bottom: 20px;
  transition: all .35s ease;
}
.adv-card:hover > i { background: var(--accent); color: var(--white); box-shadow: var(--shadow-accent); transform: rotate(-6deg); }
.adv-card h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* 工艺流程 */
.process {
  margin-top: 56px;
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  border-radius: 16px;
  padding: 40px 42px;
}
.process-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 20px;
  margin-bottom: 30px;
}
.process-title i { color: var(--accent); font-size: 22px; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  counter-reset: step;
}
.process-steps li {
  position: relative;
  text-align: center;
  padding: 0 4px;
}
.process-steps li::after {
  content: "\e6c6";
  font-family: "iconfont";
  position: absolute;
  top: 22px; right: -8px;
  color: rgba(255,255,255,.35);
  font-size: 12px;
  z-index: 2;
}
.process-steps li:last-child::after { display: none; }
.process-steps i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,181,107,.55);
  color: #FFB56B;
  font-size: 21px;
  margin-bottom: 12px;
  transition: all .3s ease;
}
.process-steps li:hover i { background: var(--accent); color: var(--white); border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-accent); }
.process-steps span { display: block; color: rgba(255,255,255,.82); font-size: 13px; }

/* ==========================================================
   公司介绍（固定背景）
   ========================================================== */
.about-section {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.about-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 22, 44, .9) 0%, rgba(6, 22, 44, .78) 52%, rgba(6, 22, 44, .55) 100%);
}
.about-inner { position: relative; z-index: 2; padding: 110px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text .section-eyebrow.light { color: #FFB56B; }
.about-text h2 { color: var(--white); font-size: 36px; font-weight: 900; margin: 12px 0 18px; }
.about-lead { color: rgba(255,255,255,.85); font-size: 16px; max-width: 640px; }
.about-features { margin: 26px 0 34px; display: flex; flex-direction: column; gap: 14px; }
.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255,255,255,.9);
  font-size: 15px;
}
.about-features li i {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  margin-top: 1px;
  border-radius: 50%;
  background: rgba(255, 122, 26, .2);
  color: var(--accent);
  font-size: 14px;
}
.about-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 34px 32px;
}
.about-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.about-card-top i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 24px;
}
.about-card-top h3 { font-size: 20px; color: var(--navy-900); }
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.about-stats li {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 18px 16px;
  text-align: center;
}
.about-stats b { display: block; color: var(--blue-600); font-size: 28px; font-weight: 900; line-height: 1.1; }
.about-stats b em { font-style: normal; font-size: 14px; color: var(--accent); margin-left: 2px; }
.about-stats span { color: var(--text-muted); font-size: 13px; }
.about-note {
  margin-top: 20px;
  padding: 13px 16px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-note i { font-size: 16px; }

/* ==========================================================
   公司新闻
   ========================================================== */
.news-section { background: var(--bg-light); }
.news-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 30px;
}
.news-featured {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}
.news-featured:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.nf-img { position: relative; aspect-ratio: 16/8.5; overflow: hidden; }
.nf-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-featured:hover .nf-img img { transform: scale(1.06); }
.nf-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-accent);
}
.nf-body { padding: 28px 30px 30px; }
.nf-date { display: inline-flex; flex-direction: column; align-items: center; margin-bottom: 14px; }
.nf-date b { font-size: 30px; font-weight: 900; color: var(--accent); line-height: 1; }
.nf-date span { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }
.nf-body h3 { font-size: 21px; color: var(--navy-900); margin-bottom: 10px; }
.nf-body p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 18px; }
.nf-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  margin-left: -14px;
  color: var(--blue-600);
  font-size: 14px;
  font-weight: 600;
  transition: color .25s ease;
}
.nf-more:hover { color: var(--accent); }

.news-list { display: flex; flex-direction: column; justify-content: space-between; gap: 22px; }
.news-item {
  display: flex;
  gap: 18px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--blue-600);
  transition: all .3s ease;
}
.news-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-left-color: var(--accent); }
.ni-date { flex-shrink: 0; text-align: center; padding-top: 2px; }
.ni-date b { display: block; font-size: 26px; font-weight: 900; color: var(--navy-900); line-height: 1.1; }
.ni-date span { font-size: 12px; color: var(--text-muted); }
.ni-body h4 { font-size: 16.5px; color: var(--navy-900); margin-bottom: 6px; line-height: 1.5; }
.ni-body h4:hover { color: var(--blue-600); }
.ni-body p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 8px; }
.ni-meta { display: inline-flex; align-items: center; gap: 6px; color: #9AA8B8; font-size: 12px; }
.ni-meta i { font-size: 12px; }
.ni-meta i + i { margin-left: 10px; }

/* ==========================================================
   底部联系条
   ========================================================== */
.cta-strip {
  background:
    radial-gradient(900px 380px at 12% 120%, rgba(255, 122, 26, .16), transparent 55%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 64px 24px;
}
.cta-text h2 { color: var(--white); font-size: 28px; font-weight: 900; display: flex; align-items: center; gap: 12px; }
.cta-text h2 i { color: var(--accent); }
.cta-text p { color: rgba(255,255,255,.75); font-size: 15px; margin-top: 8px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ==========================================================
   底部
   ========================================================== */
.site-footer { background: var(--navy-950); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding: 66px 24px 48px;
}
.f-brand p { color: rgba(255,255,255,.62); font-size: 13.5px; line-height: 1.8; margin: 18px 0 20px; max-width: 420px; }
.f-socials { display: flex; gap: 12px; }
.f-social-item { position: relative; }
/* 悬浮二维码卡片 */
.f-qr {
  position: absolute;
  bottom: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(10px) scale(.92);
  width: 132px;
  background: var(--white);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 14px 32px rgba(2, 12, 32, .38);
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
  z-index: 30;
}
.f-qr::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--white);
}
.f-qr img { width: 110px; height: 110px; margin: 0 auto; border-radius: 4px; }
.f-qr span { display: block; margin-top: 6px; font-size: 12px; color: var(--text); }
.f-social-item:hover .f-qr,
.f-social-item:focus-within .f-qr,
.f-social-item.show .f-qr {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}
/* 首尾图标：卡片靠边对齐，避免超出屏幕，小箭头仍指向图标中心 */
.f-social-item:first-child .f-qr {
  left: 0;
  transform: translateX(0) translateY(10px) scale(.92);
}
.f-social-item:first-child:hover .f-qr,
.f-social-item:first-child:focus-within .f-qr,
.f-social-item:first-child.show .f-qr {
  transform: translateX(0) translateY(0) scale(1);
}
.f-social-item:first-child .f-qr::after { left: 22px; }
.f-social-item:last-child .f-qr {
  left: auto; right: 0;
  transform: translateX(0) translateY(10px) scale(.92);
}
.f-social-item:last-child:hover .f-qr,
.f-social-item:last-child:focus-within .f-qr,
.f-social-item:last-child.show .f-qr {
  transform: translateX(0) translateY(0) scale(1);
}
.f-social-item:last-child .f-qr::after { left: auto; right: 22px; }
.f-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.75);
  font-size: 17px;
  transition: all .3s ease;
}
.f-socials a:hover { background: var(--accent); border-color: var(--accent); color: var(--white); transform: translateY(-3px); }
.f-col h3 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 22px;
  padding-bottom: 12px;
  position: relative;
}
.f-col h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 34px; height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.f-links { display: flex; flex-direction: column; gap: 12px; }
.f-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.62);
  font-size: 14px;
  transition: all .25s ease;
}
.f-links a i { font-size: 11px; color: rgba(255,255,255,.3); transition: color .25s ease; }
.f-links a:hover { color: var(--accent); padding-left: 4px; }
.f-links a:hover i { color: var(--accent); }
.f-info { display: flex; flex-direction: column; gap: 15px; }
.f-info li { display: flex; align-items: flex-start; gap: 12px; color: rgba(255,255,255,.68); font-size: 14px; line-height: 1.7; }
.f-info li i { color: var(--accent); font-size: 16px; margin-top: 2px; }
.f-info a { padding: 10px 0; display: inline-block; }
.f-info a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.fb-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 20px 24px;
  color: rgba(255,255,255,.45);
  font-size: 13px;
}
.fb-inner a:hover { color: var(--accent); }

/* ==========================================================
   返回顶部 / Toast
   ========================================================== */
.back-top {
  position: fixed;
  right: 28px; bottom: 28px;
  z-index: 90;
  width: 50px; height: 50px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--white);
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: all .35s ease;
}
.back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { background: var(--accent); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%) translateY(20px);
  z-index: 200;
  background: rgba(7, 24, 46, .94);
  color: var(--white);
  font-size: 14px;
  padding: 12px 26px;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all .35s ease;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==========================================================
   滚动揭示动画（由 JS 控制，js-reveal 开启时生效）
   ========================================================== */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity .75s ease var(--d, 0s), transform .75s cubic-bezier(.22, .68, .32, 1) var(--d, 0s);
  will-change: opacity, transform;
}
.js-reveal .reveal.in { opacity: 1; transform: translateY(0); }

/* ==========================================================
   响应式适配
   ========================================================== */
@media (max-width: 1199px) {
  .slide-inner h1 { font-size: 48px; }
  .stats-grid { gap: 16px; }
  .process-steps { grid-template-columns: repeat(4, 1fr); row-gap: 26px; }
  .process-steps li:nth-child(4)::after { display: none; }
  .apps-swiper-wrap { padding: 0 78px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .f-contact { grid-column: span 3; }
}

@media (max-width: 991px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .header-tel span { display: none; }
  .header-tel { padding: 2px 4px; }
  .header-tel i { width: 40px; height: 40px; }
  .products-wrap { grid-template-columns: 1fr; }
  .cat-side { position: static; }
  .cat-side ul { display: flex; flex-wrap: wrap; gap: 10px; }
  .cat-side ul li { flex: 1 1 calc(50% - 10px); }
  .cat-btn { width: 100%; justify-content: center; text-align: center; }
  .cat-contact { display: none; }
  .news-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .apps-swiper-wrap { padding: 0 72px; }
  .cta-inner { flex-direction: column; text-align: center; padding: 52px 24px; }
}

@media (max-width: 767px) {
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
  .slide-inner h1 { font-size: 36px; }
  .slide-inner > p { font-size: 15px; }
  .slide-points { gap: 10px 18px; }
  .slide-points li { font-size: 14px; }
  .hero-nav { display: none; }
  .hero-pagination { bottom: 34px; }
  .stats { margin-top: -44px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat-item { padding: 20px 18px; }
  .stat-num { font-size: 24px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-card:nth-child(9) { grid-column: span 2; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .adv-card { padding: 26px 22px; }
  .apps-swiper-wrap { padding: 0 20px; }
  .apps-btn { width: 44px; height: 44px; font-size: 17px; }
  .apps-prev { left: -4px; }
  .apps-next { right: -4px; }
  .app-slide { height: 380px; }
  .process { padding: 30px 24px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .process-steps li::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .f-contact { grid-column: span 2; }
  .cta-text h2 { font-size: 22px; flex-wrap: wrap; justify-content: center; }
  .back-top { right: 18px; bottom: 18px; width: 44px; height: 44px; }
}

@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .products-grid { grid-template-columns: 1fr; }
  .product-card:nth-child(9) { grid-column: span 1; }
  .adv-grid { grid-template-columns: 1fr; }
  .stats-grid { gap: 10px; }
  .stat-item p { font-size: 14px; }
  .p-info p { font-size: 14px; }
  .app-content p { font-size: 14px; }
  .slide-inner h1 { font-size: 30px; }
  .slide-btns .btn { padding: 12px 20px; font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .f-contact { grid-column: span 1; }
  .fb-inner { justify-content: center; }
  /* 小屏：二维码卡片缩小，隐藏小箭头 */
  .f-qr { width: 120px; padding: 8px; }
  .f-qr img { width: 100px; height: 100px; }
  .f-qr::after { display: none; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}


/* ==========================================================
   内页通用：页头横幅 + 面包屑
   ========================================================== */
.page-banner {
  position: relative;
  padding: 186px 0 86px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(43, 122, 224, .2), transparent 55%),
    radial-gradient(760px 320px at 6% 118%, rgba(255, 122, 26, .14), transparent 55%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
  overflow: hidden;
}
.pb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #FFB56B;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.5px;
  padding: 6px 16px;
  border: 1px solid rgba(255, 181, 107, .4);
  border-radius: 30px;
  background: rgba(7, 24, 46, .35);
}
.page-banner h1 {
  color: var(--white);
  font-size: 40px;
  font-weight: 900;
  margin: 16px 0 10px;
  letter-spacing: 1px;
}
.page-banner p { color: rgba(255, 255, 255, .72); font-size: 15px; max-width: 720px; }
.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
}
.crumbs a { display: inline-flex; align-items: center; gap: 6px; }
.crumbs a:hover { color: var(--accent); }
.crumbs i { font-size: 11px; color: rgba(255, 255, 255, .35); }
.crumbs .cur { color: #FFB56B; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 46px; }
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px; height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}
.page-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.page-btn.active { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.page-btn i { font-size: 12px; }

/* ==========================================================
   关于我们
   ========================================================== */
.about-intro {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
.ai-media { position: relative; padding: 0 0 56px 56px; }
.ai-media .ai-img-main {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.ai-media .ai-img-main img { width: 100%; height: 100%; object-fit: cover; }
.ai-media .ai-img-sub {
  position: absolute;
  left: 0; bottom: 0;
  width: 46%;
  border-radius: var(--radius);
  border: 6px solid var(--white);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.ai-media .ai-img-sub img { width: 100%; height: 100%; object-fit: cover; }
.ai-badge {
  position: absolute;
  right: 0; top: 24px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow-accent);
  text-align: center;
}
.ai-badge b { display: block; font-size: 34px; font-weight: 900; line-height: 1; }
.ai-badge span { font-size: 12px; opacity: .9; }
.ai-text h3 { font-size: 26px; color: var(--navy-900); margin-bottom: 16px; }
.ai-text p { color: var(--text-muted); font-size: 15px; line-height: 1.9; margin-bottom: 14px; }
.ai-text .btn { margin-top: 12px; }
.ai-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0 28px; }
.ai-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-light);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
}
.ai-points li i { color: var(--accent); font-size: 17px; }

/* 发展历程时间轴 */
.timeline-wrap { background: var(--bg-light); }
.timeline { position: relative; max-width: 960px; margin: 0 auto; }
.timeline::before {
  content: "";
  position: absolute;
  left: 190px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-500), var(--accent));
  opacity: .45;
}
.tl-row {
  display: grid;
  grid-template-columns: 150px 80px 1fr;
  padding: 8px 0 42px;
}
.tl-row:last-child { padding-bottom: 4px; }
.tl-time { text-align: right; padding-right: 20px; }
.tl-time b { display: block; font-size: 24px; font-weight: 900; color: var(--navy-900); line-height: 1.2; }
.tl-time span { font-size: 12px; color: var(--text-muted); }
.tl-axis { position: relative; }
.tl-dot {
    display: none;
  position: relative;
  z-index: 2;
  width: 16px; height: 16px;
  margin: 8px auto 0;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent);
}
.tl-content {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  transition: transform .3s ease, box-shadow .3s ease;
}
.tl-content:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tl-content h4 { font-size: 16px; color: var(--navy-900); margin-bottom: 6px; }
.tl-content p { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; }

/* 价值观 */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: all .35s ease;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.value-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 28px;
  margin-bottom: 18px;
  transition: all .35s ease;
}
.value-card:hover i { background: var(--accent); color: var(--white); box-shadow: var(--shadow-accent); }
.value-card h3 { font-size: 18px; color: var(--navy-900); margin-bottom: 8px; }
.value-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; }

/* 荣誉资质 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card {
  background: linear-gradient(150deg, var(--navy-950), var(--navy-800));
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease;
}
.honor-card::before {
  content: "";
  position: absolute;
  top: -34px; right: -34px;
  width: 90px; height: 90px;
  border-radius: 50%;
  background: rgba(255, 122, 26, .16);
}
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.honor-card i { font-size: 34px; color: #FFB56B; display: inline-block; margin-bottom: 14px; }
.honor-card h3 { font-size: 17px; margin-bottom: 8px; }
.honor-card p { font-size: 13px; color: rgba(255, 255, 255, .7); line-height: 1.7; }

/* ==========================================================
   产品列表页
   ========================================================== */
.pf-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.pf-tabs .cat-btn {
  width: auto;
  padding: 11px 56px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: var(--white);
  justify-content: center;
  text-align: center;
}
.pf-tabs .cat-btn.active { border-color: var(--navy-900); }

/* ==========================================================
   产品详情页
   ========================================================== */
.pd-wrap {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 52px;
  align-items: start;
}
.pd-gallery { position: sticky; top: 96px; }
.g-main {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.g-main img { max-width: 88%; max-height: 88%; object-fit: contain; }
.g-thumbs { display: flex; gap: 12px; margin-top: 14px; }
.g-thumb {
  width: 86px; height: 86px;
  border: 2px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  padding: 6px;
  transition: all .25s ease;
}
.g-thumb img { width: 100%; height: 100%; object-fit: contain; }
.g-thumb:hover { border-color: var(--blue-500); }
.g-thumb.active { border-color: var(--accent); box-shadow: var(--shadow-sm); }

.pd-info .p-tag { margin-bottom: 12px; }
.pd-info h2 { font-size: 30px; font-weight: 900; color: var(--navy-900); margin-bottom: 14px; }
.pd-info > p { color: var(--text-muted); font-size: 15px; line-height: 1.9; margin-bottom: 20px; }
.pd-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.pd-facts li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-light);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--navy-800);
}
.pd-facts li i { color: var(--accent); font-size: 16px; }
.pd-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.pd-params { width: 100%; margin-top: 8px; border-collapse: collapse; }
.pd-params th, .pd-params td {
  border: 1px solid var(--line);
  padding: 11px 16px;
  font-size: 14px;
  text-align: left;
}
.pd-params th {
  background: var(--navy-900);
  color: var(--white);
  font-weight: 600;
  width: 26%;
}
.pd-params td { color: var(--text-muted); }

/* 选项卡 */
.tabs { margin-top: 64px; }
.tab-nav { display: flex; gap: 12px; border-bottom: 2px solid var(--line); padding-bottom: 0; margin-bottom: 30px; flex-wrap: wrap; }
.tab-btn {
  position: relative;
  padding: 12px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color .25s ease;
}
.tab-btn::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .3s ease;
}
.tab-btn:hover { color: var(--blue-600); }
.tab-btn.active { color: var(--navy-900); }
.tab-btn.active::after { transform: scaleX(1); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panelIn .4s ease; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tp-list { display: flex; flex-direction: column; gap: 14px; }
.tp-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--text); line-height: 1.8; }
.tp-list li i { color: var(--accent); margin-top: 4px; }
.tp-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tp-col { background: var(--bg-light); border-radius: 10px; padding: 22px; }
.tp-col i { font-size: 26px; color: var(--blue-600); display: inline-block; margin-bottom: 10px; }
.tp-col h4 { font-size: 16px; color: var(--navy-900); margin-bottom: 8px; }
.tp-col p { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; }

/* 相关产品 */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ==========================================================
   新闻列表页
   ========================================================== */
.nl-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.nl-btn {
  padding: 11px 26px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  transition: all .25s ease;
}
.nl-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.nl-btn.active { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.news-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 26px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.nr-img { position: relative; overflow: hidden; }
.nr-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-row:hover .nr-img img { transform: scale(1.06); }
.nr-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-accent);
}
.nr-body { padding: 24px 26px; display: flex; flex-direction: column; }
.nr-date { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 13px; margin-bottom: 10px; }
.nr-date b { font-size: 22px; color: var(--accent); font-weight: 900; }
.nr-body h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; line-height: 1.5; }
.nr-body h3:hover { color: var(--blue-600); }
.nr-body p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.nr-meta { margin-top: auto; display: flex; align-items: center; gap: 14px; color: #9AA8B8; font-size: 12.5px; }
.nr-meta i { font-size: 12.5px; }

/* ==========================================================
   新闻详情页
   ========================================================== */
.nd-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
.nd-article {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 44px 48px;
}
.nd-article h1 { font-size: 28px; font-weight: 900; color: var(--navy-900); line-height: 1.45; margin-bottom: 18px; }
.nd-meta { display: flex; flex-wrap: wrap; gap: 18px; padding-bottom: 20px; border-bottom: 1px solid var(--line); color: var(--text-muted); font-size: 13.5px; }
.nd-meta i { color: var(--accent); margin-right: 5px; }
.nd-cover { border-radius: var(--radius); overflow: hidden; margin: 26px 0; aspect-ratio: 16/7; }
.nd-cover img { width: 100%; height: 100%; object-fit: cover; }
.nd-content p { font-size: 15px; color: var(--text); line-height: 2; margin-bottom: 18px; text-align: justify; }
.nd-content h3 { font-size: 18px; color: var(--navy-900); margin: 26px 0 12px; display: flex; align-items: center; gap: 8px; }
.nd-content h3 i { color: var(--accent); }
.nd-share { display: flex; align-items: center; gap: 12px; padding: 18px 0; border-top: 1px solid var(--line); margin-top: 10px; }
.nd-share span { font-size: 14px; color: var(--text-muted); }
.nd-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 16px;
  transition: all .3s ease;
}
.nd-share a:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.nd-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.nd-pn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 13.5px;
  color: var(--text-muted);
  transition: all .3s ease;
}
.nd-pn small { display: block; margin-bottom: 6px; color: var(--blue-600); font-weight: 600; }
.nd-pn:hover { border-color: var(--blue-600); color: var(--navy-900); }
.nd-pn.next { text-align: right; }

.nd-side { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 26px; }
.nd-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 24px; }
.nd-card h3 { font-size: 17px; color: var(--navy-900); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--line); position: relative; }
.nd-card h3::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 40px; height: 3px; background: var(--accent); border-radius: 2px; }
.nd-hot li { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.nd-hot li:last-child { border-bottom: none; }
.nd-hot a { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text); line-height: 1.6; }
.nd-hot a:hover { color: var(--blue-600); }
.nd-hot em { flex-shrink: 0; width: 26px; height: 26px; border-radius: 6px; background: var(--blue-100); color: var(--blue-600); font-style: normal; font-size: 13px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.nd-hot li:nth-child(-n+3) em { background: var(--accent); color: var(--white); }
.nd-contact { background: linear-gradient(150deg, var(--navy-950), var(--navy-800)); }
.nd-contact h3 { color: var(--white); border-bottom-color: rgba(255,255,255,.15); }
.nd-contact h3::after { background: var(--accent); }
.nd-contact li { display: flex; gap: 10px; color: rgba(255,255,255,.75); font-size: 14px; padding: 8px 0; align-items: flex-start; }
.nd-contact li i { color: #FFB56B; margin-top: 2px; }
.nd-contact .btn { margin-top: 12px; width: 100%; justify-content: center; }

/* ==========================================================
   在线留言 / 联系我们
   ========================================================== */
.msg-wrap { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.msg-info-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  margin-bottom: 20px;
}
.msg-info-card h3 { font-size: 17px; color: var(--navy-900); margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.msg-info-card h3 i { color: var(--accent); }
.msg-info-card li { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; color: var(--text-muted); font-size: 14.5px; line-height: 1.7; }
.msg-info-card li i { color: var(--blue-600); font-size: 17px; margin-top: 2px; }
.msg-info-card li a:hover { color: var(--accent); }
.msg-form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 34px 36px;
}
.msg-form-card h3 { font-size: 22px; color: var(--navy-900); margin-bottom: 6px; }
.msg-form-card > p { font-size: 13.5px; color: var(--text-muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; color: var(--navy-800); font-weight: 600; margin-bottom: 8px; }
.form-field label em { color: var(--accent); font-style: normal; margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--bg-light);
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(43, 122, 224, .14);
  background: var(--white);
}
.form-field .invalid { border-color: #E5484D; background: #FFF4F4; }
.form-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #8A9BB0 50%), linear-gradient(135deg, #8A9BB0 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.form-submit { display: flex; align-items: center; gap: 18px; margin-top: 8px;justify-content: center; }
.form-submit .btn { padding: 13px 40px; }
.form-note { font-size: 12.5px; color: var(--text-muted); }
.form-note i { color: var(--accent); }

/* 联系我们 */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: all .35s ease;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.contact-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-600);
  font-size: 27px;
  margin-bottom: 16px;
  transition: all .35s ease;
}
.contact-card:hover i { background: var(--accent); color: var(--white); box-shadow: var(--shadow-accent); }
.contact-card h3 { font-size: 16px; color: var(--navy-900); margin-bottom: 8px; }
.contact-card p, .contact-card a { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.contact-card a:hover { color: var(--accent); }

.map-box {
  position: relative;
  height: 380px;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(160deg, var(--navy-950), var(--navy-700));
  background-size: 44px 44px, 44px 44px, cover;
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-pin { text-align: center; color: var(--white); }
.map-pin > i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--accent);
  font-size: 28px;
  box-shadow: 0 0 0 10px rgba(255, 122, 26, .22), var(--shadow-accent);
  animation: pinPulse 2.2s ease-in-out infinite;
}
@keyframes pinPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.map-pin b { display: block; margin-top: 16px; font-size: 17px; }
.map-pin span { display: block; margin-top: 6px; font-size: 13.5px; color: rgba(255,255,255,.72); }
.map-zoom {
  position: absolute;
  right: 18px; bottom: 18px;
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  transition: background .25s ease;
}
.map-zoom:hover { background: var(--accent-dark); }

/* ==========================================================
   内页响应式
   ========================================================== */
@media (max-width: 1199px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .about-intro { grid-template-columns: 1fr; gap: 44px; }
  .pd-wrap { grid-template-columns: 1fr; gap: 36px; }
  .pd-gallery { position: static; }
  .nd-wrap { grid-template-columns: 1fr; }
  .nd-side { position: static; }
  .msg-wrap { grid-template-columns: 1fr; }
  .tp-cols { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .page-banner { padding: 150px 0 60px; }
  .page-banner h1 { font-size: 30px; }
  .timeline::before { left: 114px; }
  .tl-row { grid-template-columns: 90px 50px 1fr; padding: 6px 0 34px; }
  .tl-time { padding-right: 12px; }
  .tl-time b { font-size: 19px; }
  .news-row { grid-template-columns: 1fr; }
  .nr-img { aspect-ratio: 16/8; }
  .nd-article { padding: 26px 22px; }
  .nd-prevnext { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 14px; }
  .msg-form-card { padding: 26px 20px; }
  .contact-cards { grid-template-columns: 1fr 1fr; gap: 16px; }
  .value-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .ai-media { padding: 0 0 46px 40px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 575px) {
  .page-banner h1 { font-size: 26px; }
  .ai-points { grid-template-columns: 1fr; }
  .ai-badge { padding: 13px 16px; }
  .ai-badge b { font-size: 26px; }
  .honor-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .tl-content { padding: 14px 16px; }
}

/* ---------- 内页补充工具类 ---------- */
.section.bg-light { background: var(--bg-light); }
.btn-outline { border: 1.5px solid var(--blue-600); color: var(--blue-600); }
.btn-outline:hover { background: var(--blue-600); color: var(--white); }




.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px; }
.pagination > li {
    display: inline; }
.pagination > li > a,
.pagination > li > span {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.42857;
    text-decoration: none;
    color: #337ab7;
    background-color: #fff;
    border: 1px solid #ddd;
    margin-left: -1px; }
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px; }
.pagination > li:last-child > a,
.pagination > li:last-child > span {
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px; }
.pagination > li > a:hover, .pagination > li > a:focus,
.pagination > li > span:hover,
.pagination > li > span:focus {
    z-index: 2;
    color: #23527c;
    background-color: #eeeeee;
    border-color: #ddd; }
.pagination > .active > a, .pagination > .active > a:hover, .pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
    z-index: 3;
    color: #fff;
    background-color: #337ab7;
    border-color: #337ab7;
    cursor: default; }
    
.msg-single { max-width: 1500px; margin: 0 auto; }