/* ===========================================
   鹏辰新材料科技 - 企业官网样式
   参考韩华官网风格：深色导航、全屏Hero、精致排版
   =========================================== */

/* -------- 基础重置 -------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Logo配色：绿色 #3DB54A / 蓝色 #2B7FC3 / 浅绿 #8DC63F / 浅蓝 #87CEEB */
  --primary: #1a6b2e;          /* 深绿，导航栏背景 */
  --primary-dark: #0f4a1f;     /* 更深绿 */
  --primary-light: #2d8f42;    /* 中深绿 */
  --green: #3DB54A;            /* Logo主绿 */
  --green-light: #8DC63F;      /* Logo浅绿 */
  --blue: #2B7FC3;             /* Logo主蓝 */
  --blue-light: #87CEEB;       /* Logo浅蓝 */
  --accent: #2B7FC3;           /* 强调色 = Logo蓝 */
  --accent-hover: #1e6aaa;     /* 蓝色悬停 */
  --accent-green: #3DB54A;     /* 绿色强调 */
  --text-dark: #111827;
  --text-body: #374151;
  --text-light: #6b7280;
  --text-muted: #9ca3af;
  --bg-light: #f4fbf5;         /* 极浅绿底 */
  --bg-section: #eef7f0;       /* 浅绿section底 */
  --border: #d1ebd6;           /* 绿色边框 */
  --white: #ffffff;
  --header-h: 72px;
  --notice-h: 36px;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(43,127,195,0.10);
  --shadow-lg: 0 12px 48px rgba(43,127,195,0.18);
  --transition: 0.3s ease;
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* -------- 顶部通知栏 -------- */
.top-notice {
  position: fixed;
  top: 0;
  left: 0; right: 0;
  z-index: 1001;
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  height: var(--notice-h);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  transition: transform 0.35s ease, opacity 0.35s ease;
  will-change: transform;
}

.top-notice.hidden-up {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.top-notice .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-notice .divider { opacity: 0.4; }
.top-notice a { color: #a8e6b0; transition: color var(--transition); }
.top-notice a:hover { color: var(--white); }

/* -------- 主导航 -------- */
.main-header {
  position: fixed;
  top: var(--notice-h);
  left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: #0C3416;
  border-bottom: 1px solid rgba(61,181,74,0.15);
  transition: top 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
  will-change: top;
}

.main-header.scrolled {
  top: 0;
  background: #0A2D12;
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* Logo */
.logo a {
  display: flex;
  align-items: center;
  gap: 0;
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;

}

.logo-img:hover { opacity: 0.85; }

/* 保留旧类兼容 */
.logo-mark {
  display: none;
}

.logo-text {
  display: none;
}

/* 导航菜单 */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 400;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all var(--transition);
  white-space: nowrap;
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a {
  color: white;
  background: rgba(61,181,74,0.18);
}

.nav-arrow {
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(255,255,255,0.5);
  transition: transform var(--transition);
}

.has-dropdown:hover .nav-arrow { transform: rotate(180deg); }

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: calc(var(--header-h) - 4px);
  min-width: 180px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s ease;
  border-top: 3px solid var(--accent);
  overflow: hidden;
}

.has-dropdown { position: relative; }
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-inner {
  padding: 8px 0;
}

.dropdown-inner a {
  display: block;
  padding: 9px 20px;
  color: var(--text-body);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.dropdown-inner a:hover {
  background: #eef7f0;
  color: var(--accent-green);
  padding-left: 26px;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-contact {
  background: var(--accent);
  color: white;
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition);
  white-space: nowrap;
}

.btn-contact:hover { background: var(--accent-hover); }

/* 中英文切换 */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-btn {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 4px 8px;
  transition: all var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}

.lang-btn:hover {
  color: white;
}

.lang-btn.active {
  color: var(--green-light);
  font-weight: 600;
}

.lang-divider {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
  user-select: none;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition);
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: calc(var(--notice-h) + var(--header-h));
  left: 0; right: 0;
  background: var(--primary-dark);
  z-index: 999;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  transform: translateY(-100%);
  transition: transform var(--transition);
}

.mobile-menu.open { transform: translateY(0); }

.mobile-menu nav ul li a {
  display: block;
  padding: 14px 32px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition);
}

.mobile-menu nav ul li a:hover {
  color: white;
  background: rgba(255,255,255,0.08);
}

/* -------- Hero 轮播 -------- */
.hero-slider {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  margin-top: calc(var(--notice-h) + var(--header-h));
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
}

.slide.active { opacity: 1; }

.slide-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.molecular-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(61,181,74,0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(43,127,195,0.25) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(141,198,63,0.08) 0%, transparent 60%);
}

.slide-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
}

.slide-text {
  max-width: 600px;
}

.slide-tag {
  display: inline-block;
  background: rgba(61,181,74,0.5);
  border: 1px solid rgba(61,181,74,1);
  color: #ffffff;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.slide-text h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: white;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.slide-text h1 .highlight { color: #7ddb87; }

.slide-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 500px;
}

.slide-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 分子动画 */
.slide-visual {
  flex-shrink: 0;
}

.molecule-anim {
  position: relative;
  width: 300px; height: 300px;
}

.ring-outer {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 260px; height: 260px;
  border: 1px solid rgba(61,181,74,0.25);
  border-radius: 50%;
  animation: rotateRing 20s linear infinite;
}

.ring-inner {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 160px; height: 160px;
  border: 1px solid rgba(43,127,195,0.2);
  border-radius: 50%;
  animation: rotateRing 12s linear infinite reverse;
}

.atom {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, #7ddb87, #2d8f42);
  box-shadow: 0 0 20px rgba(61,181,74,0.6);
}

.atom-1 {
  width: 20px; height: 20px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, #fff, #a8e6b0);
  width: 30px; height: 30px;
}

.atom-2 {
  width: 14px; height: 14px;
  top: 50%; left: 50%;
  animation: orbitAtom 8s linear infinite;
  margin-left: -120px; margin-top: -7px;
  background: radial-gradient(circle, #87CEEB, #2B7FC3);
  box-shadow: 0 0 16px rgba(43,127,195,0.6);
}

.atom-3 {
  width: 10px; height: 10px;
  top: 50%; left: 50%;
  animation: orbitAtom 5s linear infinite reverse;
  margin-left: -70px; margin-top: -5px;
  background: radial-gradient(circle, #8DC63F, #5a8a20);
  box-shadow: 0 0 12px rgba(141,198,63,0.6);
}

.bond-1, .bond-2 {
  position: absolute;
  top: 50%; left: 50%;
  height: 1px;
  background: linear-gradient(to right, rgba(61,181,74,0.8), transparent);
  transform-origin: left center;
}

.bond-1 { width: 120px; transform: translateY(-50%) rotate(30deg); }
.bond-2 { width: 90px; transform: translateY(-50%) rotate(150deg); background: linear-gradient(to right, rgba(43,127,195,0.8), transparent); }

@keyframes rotateRing {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes orbitAtom {
  from { transform: rotate(0deg) translateX(120px); }
  to { transform: rotate(360deg) translateX(120px); }
}

/* 轮播控件 */
.slider-controls {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 10;
}

.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
}

.slider-btn:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.6);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px; height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  width: 28px;
  background: white;
}

.slider-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.15);
}

.slider-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 5s linear;
}

/* -------- 按钮 -------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  letter-spacing: 0.03em;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43,127,195,0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-outline:hover {
  border-color: white;
  color: white;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.btn-lg { padding: 14px 36px; font-size: 1rem; }

/* -------- 数据统计 -------- */
.stats-section {
  background: var(--primary);
  padding: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 40px 32px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition);
}

.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(255,255,255,0.05); }

.stat-number {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 6px;
}

.stat-number .counter {
  font-size: 2.8rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.stat-number em {
  font-style: normal;
  font-size: 1.3rem;
  color: #7ddb87;
  font-weight: 600;
}

.stat-label {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* -------- 通用 Section 样式 -------- */
.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-header.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-tag {
  display: block;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-light);
  max-width: 560px;
  margin-top: 12px;
  font-size: 0.95rem;
}

.section-more {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  align-self: flex-end;
  transition: gap var(--transition);
}

.section-more:hover { text-decoration: underline; }

/* -------- 业务板块 -------- */
.business-section {
  padding: 96px 0;
  background: white;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.business-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  min-height: 240px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.business-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.business-card.large {
  grid-column: span 2;
  min-height: 300px;
}

.card-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.6s ease;
}

.business-card:hover .card-bg { transform: scale(1.04); }

.card-icon {
  position: absolute;
  top: 28px; right: 28px;
  width: 60px; height: 60px;
  opacity: 0.6;
}

.card-content {
  position: relative;
  z-index: 2;
  padding: 36px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.card-content h3 {
  color: white;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.card-content p {
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-link {
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition);
}

.card-link:hover { color: white; }

/* -------- 关于我们 -------- */
.about-section {
  padding: 96px 0;
  background: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.about-img-main {
  width: 100%;
  padding-bottom: 65%;
  background: linear-gradient(135deg, #0f4a1f 0%, #1a6b2e 40%, #2d8f42 100%);
  position: relative;
  overflow: hidden;
}

.factory-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.4)),
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,0.03) 0px,
      rgba(255,255,255,0.03) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,0.03) 0px,
      rgba(255,255,255,0.03) 1px,
      transparent 1px,
      transparent 60px
    );
}

.factory-img::after {
  content: '鹏辰新材料生产基地';
  position: absolute;
  bottom: 20px; left: 24px;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.about-badge {
  position: absolute;
  bottom: -20px; right: 28px;
  background: var(--green);
  color: white;
  padding: 16px 20px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 8px 24px rgba(61,181,74,0.4);
}

.badge-num {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.badge-text {
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 3px;
}

.cert-strip {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 0.78rem;
  color: var(--text-light);
}

.cert-icon {
  color: var(--accent);
  font-weight: 700;
}

.about-content h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.about-lead {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 500;
}

.about-content p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-content strong { color: var(--text-body); }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
  padding: 24px;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.highlight-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.hi-icon { font-size: 1.3rem; flex-shrink: 0; line-height: 1.4; }

.hi-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hi-text strong {
  color: var(--text-dark);
  font-size: 0.9rem;
  font-weight: 600;
}

.hi-text span {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* -------- 应用行业 -------- */
.industry-section {
  padding: 96px 0;
  background: white;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
  text-align: center;
  cursor: default;
}

.industry-item:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,119,204,0.1);
  transform: translateY(-4px);
}

.industry-icon { width: 52px; height: 52px; }

.industry-item h4 {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-body);
}

/* -------- 新闻动态 -------- */
.news-section {
  padding: 96px 0;
  background: var(--bg-section);
}

.news-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}

.news-featured {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.news-featured:hover { transform: translateY(-4px); }

.news-img-wrap {
  position: relative;
}

.news-img-placeholder {
  width: 100%;
  padding-bottom: 50%;
}

.news-category {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 3px;
}

.news-body {
  padding: 28px;
}

.news-meta {
  margin-bottom: 12px;
}

.news-date {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.news-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-body p {
  color: var(--text-light);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.news-item {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  cursor: pointer;
}

.news-item:last-child { border-bottom: none; }
.news-item:hover { background: #f8fafc; }

.news-date-block {
  flex-shrink: 0;
  text-align: center;
  min-width: 44px;
}

.news-date-block .day {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}

.news-date-block .month {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.news-text { flex: 1; }

.news-text .tag {
  display: inline-block;
  background: #e3f7e6;
  color: var(--accent-green);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}

.news-text h4 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* -------- 荣誉资质 Banner -------- */
.honors-banner {
  background: var(--primary);
  padding: 80px 0;
}

.honors-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
}

.honors-text h2 {
  font-size: 1.9rem;
  color: white;
  font-weight: 700;
  margin-bottom: 12px;
}

.honors-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.7;
}

.honors-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.honor-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition);
}

.honor-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-3px);
}

.honor-icon { font-size: 1.8rem; margin-bottom: 8px; }

.honor-name {
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  line-height: 1.4;
}

/* -------- CTA -------- */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: 2rem;
  color: white;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-text p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-actions .btn-primary {
  background: white;
  color: var(--green);
}

.cta-actions .btn-primary:hover {
  background: #f0fff2;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* -------- 页脚 -------- */
.main-footer {
  background: #0a111f;
}

.footer-top {
  padding: 72px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-desc {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-certs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-certs span {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.1);
}

.footer-links h4 {
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links ul li a:hover { color: rgba(255,255,255,0.85); }

.footer-contact h4 {
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-contact ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.contact-icon { flex-shrink: 0; font-size: 0.875rem; line-height: 1.7; }

.footer-contact ul li span:last-child {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-subcompany {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  border-left: 3px solid var(--green);
}

.footer-subcompany strong {
  display: block;
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  margin-bottom: 2px;
}

.footer-subcompany span {
  color: rgba(255,255,255,0.4);
  font-size: 0.78rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}

.footer-bottom a:hover { color: rgba(255,255,255,0.65); }

/* -------- 响应式 -------- */
@media (max-width: 1100px) {
  .industry-grid { grid-template-columns: repeat(4, 1fr); }
  .honors-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid rgba(255,255,255,0.1); }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .container { padding: 0 24px; }

  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-menu { display: block; }

  .hero-slider { height: 80vh; }
  .slide-visual { display: none; }
  .slide-content { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .business-grid { grid-template-columns: 1fr 1fr; }
  .business-card.large { grid-column: span 2; }

  .news-grid { grid-template-columns: 1fr; }
  .honors-inner { grid-template-columns: 1fr; }

  .industry-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .top-notice { display: none; position: static; }
  :root { --notice-h: 0px; }

  .business-grid { grid-template-columns: 1fr; }
  .business-card.large { grid-column: span 1; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .honors-cards { grid-template-columns: 1fr 1fr; }

  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .slide-text h1 { font-size: 1.8rem; }
}