/* ==========================================================================
   湖南晨光新材料科技有限公司 · 官网样式
   设计系统：深蓝科技风（企业级权威 + 新材料工业质感）
   ========================================================================== */

/* ---------- 设计 Token ---------- */
:root {
  /* 品牌色 */
  --navy-900: #081a38;
  --navy-800: #0a1f44;
  --navy-700: #123268;
  --blue-600: #1d4ed8;
  --blue-500: #2563eb;
  --sky-500: #0ea5e9;
  --cyan-400: #22d3ee;
  --cyan-300: #67e8f9;

  /* 中性色 */
  --ink-900: #0b1b33;
  --ink-700: #33415c;
  --ink-600: #5a6b85;
  --ink-500: #7a8ba5;
  --ink-400: #9aa9bf;

  /* 表面 */
  --white: #ffffff;
  --surface: #f5f7fa;
  --surface-2: #eef2f7;
  --border: #e4e9f0;

  /* 涨跌色（A股约定：涨红跌绿） */
  --up: #e23c3c;
  --down: #0d9457;

  /* 字体 */
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(8, 26, 56, 0.06), 0 1px 2px rgba(8, 26, 56, 0.04);
  --shadow-md: 0 8px 24px rgba(8, 26, 56, 0.08), 0 2px 6px rgba(8, 26, 56, 0.04);
  --shadow-lg: 0 20px 50px rgba(8, 26, 56, 0.14);

  --container: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--blue-600);
  color: #fff;
}

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

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--surface);
}

.section-dark {
  background: var(--navy-800);
  color: #fff;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head-light .section-title {
  color: #fff;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
}

.section-dark .section-label {
  color: var(--cyan-300);
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.5px;
  color: var(--ink-900);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 17px;
  color: var(--ink-600);
  line-height: 1.85;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn svg {
  transition: transform 0.25s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--sky-500));
  color: #fff;
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(29, 78, 216, 0.42);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border: 1.5px solid var(--blue-600);
}

.btn-outline:hover {
  background: var(--blue-600);
  color: #fff;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(8, 26, 56, 0.06);
}

.header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 42px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* 页脚 logo 稍大 */
.logo-footer .logo-img {
  height: 46px;
}

/* LOGO 文字：中文全称 + 英文名称 */
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.logo-text strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff;
  white-space: nowrap;
}

.logo-text em {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.2px;
  color: rgba(255, 255, 255, 0.65);
  font-style: normal;
  white-space: nowrap;
}

.is-scrolled .logo-text strong {
  color: var(--ink-900);
}

.is-scrolled .logo-text em {
  color: var(--ink-500);
}

/* 页脚文字始终白色 */
.logo-footer .logo-text strong {
  color: #fff;
}

.logo-footer .logo-text em {
  color: rgba(255, 255, 255, 0.65);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.is-scrolled .nav-link {
  color: var(--ink-700);
}

.is-scrolled .nav-link:hover,
.is-scrolled .nav-link.active {
  color: var(--blue-600);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  border-radius: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

.is-scrolled .nav-toggle span {
  background: var(--ink-900);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 80px;
}

/* Hero 背景实景照片（电影感工业氛围） */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(90deg, rgba(8, 26, 56, 0.94) 0%, rgba(8, 26, 56, 0.8) 42%, rgba(8, 26, 56, 0.42) 78%, rgba(8, 26, 56, 0.6) 100%),
    linear-gradient(180deg, rgba(8, 26, 56, 0.65) 0%, rgba(8, 26, 56, 0.35) 50%, rgba(8, 26, 56, 0.85) 100%),
    url('../assets/images/hero-bg.webp');
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(103, 232, 249, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 232, 249, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}

.glow-1 {
  width: 560px;
  height: 560px;
  top: -160px;
  right: -80px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.55), transparent 70%);
}

.glow-2 {
  width: 480px;
  height: 480px;
  bottom: -140px;
  left: -120px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.45), transparent 70%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 140px 140px;
  opacity: 0.18;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--cyan-300);
  margin-bottom: 24px;
  padding: 8px 16px;
  border: 1px solid rgba(103, 232, 249, 0.28);
  border-radius: 100px;
  background: rgba(103, 232, 249, 0.06);
}

.hero-title {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -1px;
  margin-bottom: 28px;
}

.grad-text {
  background: linear-gradient(120deg, #7dd3fc, var(--cyan-400) 45%, #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.72);
  max-width: 620px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stats li {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  line-height: 1.1;
}

.hero-stats span {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  z-index: 2;
}

.scroll-hint span {
  width: 4px;
  height: 8px;
  background: var(--cyan-400);
  border-radius: 4px;
  margin-top: 7px;
  animation: scrollDot 1.8s infinite;
}

@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 0; }
}

/* ---------- 关于晨光 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: all 0.35s ease;
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.about-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
  margin-bottom: 22px;
}

.about-icon svg {
  width: 26px;
  height: 26px;
}

.about-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink-900);
}

.about-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-600);
}

/* ---------- 核心业务 ---------- */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.business-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 38px 34px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.business-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.business-card:hover::before {
  opacity: 1;
}

.business-top {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}

.business-num {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.business-top h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink-900);
}

.business-desc {
  font-size: 15px;
  color: var(--ink-600);
  line-height: 1.8;
  margin-bottom: 24px;
  flex: 1;
}

.business-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.business-tags li {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--blue-600);
  background: rgba(37, 99, 235, 0.08);
  padding: 6px 12px;
  border-radius: 100px;
}

.business-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
}

.business-link svg {
  transition: transform 0.25s ease;
}

.business-link:hover {
  color: var(--blue-600);
}

.business-link:hover svg {
  transform: translateX(4px);
}

/* ---------- 研发创新 ---------- */
.rd-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.rd-left .section-title {
  font-size: 36px;
}

.rd-list {
  margin: 28px 0 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rd-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
  color: var(--ink-700);
}

.rd-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  flex-shrink: 0;
}

.rd-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.rd-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px 28px;
  transition: all 0.3s ease;
}

.rd-panel:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.rd-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.rd-panel-head span {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-700);
}

.rd-panel-head strong {
  font-size: 32px;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: -0.5px;
}

.rd-panel-head strong em {
  font-size: 15px;
  font-weight: 600;
  font-style: normal;
  color: var(--ink-500);
}

.rd-panel p {
  font-size: 13.5px;
  color: var(--ink-500);
  margin-bottom: 16px;
}

.rd-bar {
  height: 8px;
  background: var(--surface-2);
  border-radius: 100px;
  overflow: hidden;
}

.rd-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  border-radius: 100px;
  transform-origin: left;
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 数字看板 ---------- */
.data-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.data-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-lg);
  padding: 34px 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.data-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(103, 232, 249, 0.35);
}

.data-kpi {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}

.data-kpi strong {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #fff;
}

.data-kpi em {
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan-300);
  font-style: normal;
}

.data-card p {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.66);
}

.data-note {
  text-align: center;
  margin-top: 32px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 资质荣誉 ---------- */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.honor-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-lg);
  padding: 34px 28px;
  transition: all 0.3s ease;
}

.honor-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(103, 232, 249, 0.35);
  transform: translateY(-4px);
}

.honor-card svg {
  width: 30px;
  height: 30px;
  color: var(--cyan-300);
  margin-bottom: 18px;
}

.honor-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.honor-card p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.7;
}

/* ---------- 发展历程 ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-600), var(--cyan-400));
  opacity: 0.35;
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--blue-600);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.timeline-item time {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-600);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.timeline-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.timeline-body p {
  font-size: 15px;
  color: var(--ink-600);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .honor-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 投资者关系 ---------- */
.investor-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.investor-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: all 0.3s ease;
}

.investor-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.investor-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.stock-card {
  background: linear-gradient(135deg, var(--navy-800), #123a6e);
  color: #fff;
  border: none;
}

.stock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.stock-head span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.stock-badge {
  font-size: 11px;
  font-style: normal;
  color: var(--cyan-300);
  border: 1px solid rgba(103, 232, 249, 0.35);
  padding: 3px 10px;
  border-radius: 100px;
}

.stock-code {
  margin-bottom: 24px;
}

.stock-code strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
}

.stock-code span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.stock-code em {
  font-style: normal;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
}

.stock-quote {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stock-quote > div {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}

.quote-label {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 4px;
}

.stock-quote strong {
  font-size: 17px;
  font-weight: 700;
}

.quote-up {
  color: #ff8a8a;
}

.investor-list li {
  border-bottom: 1px dashed var(--border);
}

.investor-list li:last-child {
  border-bottom: none;
}

.investor-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-size: 14.5px;
  color: var(--ink-700);
  transition: color 0.2s ease;
}

.investor-list a:hover {
  color: var(--blue-600);
}

.investor-list time {
  font-size: 12.5px;
  color: var(--ink-400);
  flex-shrink: 0;
}

.investor-list a svg {
  flex-shrink: 0;
  color: var(--ink-400);
}

.investor-cta {
  text-align: center;
  padding: 20px;
  background: var(--surface);
  border-radius: var(--r-md);
  font-size: 15px;
  color: var(--ink-600);
}

.investor-cta a {
  color: var(--blue-600);
  font-weight: 600;
}

/* ---------- ESG ---------- */
.esg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.esg-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 38px 32px;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
}

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

.esg-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.esg-icon svg {
  width: 28px;
  height: 28px;
}

.e-env {
  color: #0d9457;
  background: rgba(13, 148, 87, 0.1);
}

.e-social {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
}

.e-gov {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
}

.esg-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink-900);
}

.esg-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-600);
}

/* ---------- 新闻中心 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

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

.news-thumb {
  height: 160px;
  display: flex;
  align-items: flex-end;
  padding: 16px 20px;
  position: relative;
}

.news-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 26, 56, 0.55));
}

.news-thumb span {
  position: relative;
  z-index: 1;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(4px);
  padding: 4px 12px;
  border-radius: 100px;
}

.t1 { background: linear-gradient(135deg, #1d4ed8, #0ea5e9); }
.t2 { background: linear-gradient(135deg, #0b2447, #2563eb); }
.t3 { background: linear-gradient(135deg, #0e7490, #22d3ee); }

.news-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-body time {
  font-size: 12.5px;
  color: var(--ink-400);
  margin-bottom: 10px;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-body h3 a {
  color: var(--ink-900);
  transition: color 0.2s ease;
}

.news-body h3 a:hover {
  color: var(--blue-600);
}

.news-body p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.75;
  flex: 1;
}

.news-more {
  text-align: center;
}

/* ---------- 人才招聘 ---------- */
.career-banner {
  background: linear-gradient(135deg, var(--navy-800), #123a6e);
  border-radius: var(--r-xl);
  padding: 56px 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.career-banner::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  top: -180px;
  right: -120px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.45), transparent 70%);
}

.career-text {
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.career-text .section-title {
  color: #fff;
  font-size: 34px;
}

.career-text p:not(.section-label) {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 28px;
}

.career-stats {
  display: flex;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.career-stats div {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.career-stats strong {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #fff;
}

.career-stats span {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.66);
  margin-top: 6px;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 15px;
  color: var(--ink-600);
}

.contact-item a {
  color: var(--blue-600);
  font-weight: 500;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 8px;
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--surface);
  border: 1.5px solid transparent;
  border-radius: 10px;
  padding: 13px 16px;
  transition: all 0.25s ease;
  width: 100%;
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--ink-400);
}

.form-tip {
  margin-top: 12px;
  font-size: 14px;
  color: var(--down);
  text-align: center;
  min-height: 20px;
}

.form-tip.error {
  color: var(--up);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: 56px;
  padding: 72px 24px 48px;
}

.logo-footer .logo-text strong {
  font-size: 16px;
}

.footer-brand > p {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a,
.footer-col li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--cyan-300);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.42);
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--cyan-300);
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--navy-800);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 900;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--blue-600);
}

/* ---------- 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .investor-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stock-card {
    grid-column: 1 / -1;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hero-title {
    font-size: 44px;
  }
  .section-title {
    font-size: 32px;
  }
  .rd-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .business-grid,
  .news-grid,
  .esg-grid {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .career-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: var(--shadow-lg);
    padding: 16px 24px 24px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.35s ease;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav-link {
    color: var(--ink-900);
    padding: 13px 8px;
    font-size: 16px;
    border-bottom: 1px solid var(--surface);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--blue-600);
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    min-height: 100svh;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stats strong {
    font-size: 30px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .about-grid,
  .data-grid {
    grid-template-columns: 1fr;
  }
  .investor-grid {
    grid-template-columns: 1fr;
  }
  .career-stats {
    gap: 32px;
  }
  .footer-cols {
    grid-template-columns: 1fr;
  }
  .contact-form {
    padding: 24px;
  }
}

/* ==========================================================================
   以下为 PPT 真实资料更新后新增的模块样式
   ========================================================================== */

/* ---------- 关于晨光（左图右文） ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-media img {
  width: 100%;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
}

.about-media-badge {
  position: absolute;
  right: -18px;
  bottom: -18px;
  background: linear-gradient(135deg, var(--blue-600), var(--sky-500));
  color: #fff;
  border-radius: var(--r-lg);
  padding: 18px 22px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  box-shadow: 0 14px 34px rgba(29, 78, 216, 0.4);
}

.about-media-badge strong {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
}

.about-media-badge span {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}

.about-content .section-title {
  font-size: 36px;
  margin-bottom: 20px;
}

.about-points {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-points li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-point-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
}

.about-point-icon svg {
  width: 22px;
  height: 22px;
}

.about-points strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 2px;
}

.about-points p {
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.7;
}

.about-slogan {
  background: var(--surface);
  border-left: 3px solid var(--blue-600);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-slogan p {
  font-size: 14.5px;
  color: var(--ink-600);
}

.about-slogan strong {
  color: var(--blue-600);
}

/* ---------- 产品中心 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.product-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 34px 30px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
  opacity: 0;
  transition: opacity 0.35s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card:hover::before {
  opacity: 1;
}

.product-top {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.product-num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-top h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink-900);
}

.product-desc {
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}

.product-spec {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--surface);
  border-radius: var(--r-sm);
  margin-bottom: 0;
}

.product-spec span {
  font-size: 12.5px;
  color: var(--ink-500);
}

.product-spec strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-600);
}

.product-card .business-tags {
  margin-bottom: 0;
}

.product-card-feature {
  background: linear-gradient(135deg, var(--navy-800), #123a6e);
  border: none;
  color: #fff;
}

.product-card-feature .product-top h3 {
  color: #fff;
}

.product-card-feature .product-desc {
  color: rgba(255, 255, 255, 0.75);
}

.product-card-feature .product-desc strong {
  color: var(--cyan-300);
}

.product-card-feature .business-link {
  color: var(--cyan-300);
}

.product-advantages {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px 36px;
}

.product-advantages h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink-900);
  text-align: center;
  margin-bottom: 32px;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-item {
  text-align: center;
}

.advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
}

.advantage-icon svg {
  width: 26px;
  height: 26px;
}

.advantage-item h4 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.75;
}

/* ---------- 智能制造（生产流程） ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.process-img {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.process-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.process-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8, 26, 56, 0.45));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.process-card:hover .process-img img {
  transform: scale(1.09);
}

.process-card:hover .process-img::after {
  opacity: 1;
}

.process-body {
  padding: 20px 22px;
  flex: 1;
}

.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-600);
  background: rgba(37, 99, 235, 0.1);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.process-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.process-body p {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.7;
}

.process-card-energy {
  background: linear-gradient(135deg, var(--navy-800), #123a6e);
  border: none;
  justify-content: center;
}

.process-energy {
  padding: 30px 24px;
  color: #fff;
}

.process-energy .process-step {
  color: var(--cyan-300);
  background: rgba(103, 232, 249, 0.14);
}

.process-energy h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin: 12px 0 8px;
}

.process-energy p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

/* ---------- 品质管控 ---------- */
.quality-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.quality-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.quality-photos figure {
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
}

.quality-photos img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.quality-photos figure:hover img {
  transform: scale(1.06);
}

.quality-photos figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 14px 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, transparent, rgba(8, 26, 56, 0.8));
}

.quality-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.quality-item {
  display: flex;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px 24px;
  transition: all 0.3s ease;
}

.quality-item:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.quality-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
}

.quality-icon svg {
  width: 22px;
  height: 22px;
}

.quality-item h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 5px;
}

.quality-item p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.7;
}

/* ---------- 资质荣誉 ---------- */
.honor-layout {
  display: block;
}

.honor-layout .honor-grid {
  grid-template-columns: repeat(3, 1fr);
}

.honor-icon {
  display: flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(103, 232, 249, 0.12);
  margin-bottom: 18px;
}

.honor-icon svg {
  width: 26px;
  height: 26px;
  margin-bottom: 0;
}

/* ---------- 未来规划 ---------- */
.future-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.future-card {
  background: var(--white);
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
}

.future-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.future-img {
  height: 280px;
  overflow: hidden;
  position: relative;
}

.future-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.future-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8, 26, 56, 0.4));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.future-card:hover .future-img img {
  transform: scale(1.06);
}

.future-card:hover .future-img::after {
  opacity: 1;
}

.future-body {
  padding: 26px 28px;
}

.future-body h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-900);
  margin-bottom: 10px;
}

.future-body p {
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.8;
}

.future-lab {
  background: linear-gradient(135deg, var(--navy-800), #123a6e);
  border-radius: var(--r-xl);
  padding: 36px 40px;
  color: #fff;
}

.future-lab h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.future-lab h3::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 20px;
  border-radius: 4px;
  background: var(--cyan-400);
  margin-right: 10px;
  vertical-align: -3px;
}

.future-lab p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.85;
}

/* ---------- 合作客户 ---------- */
.clients-strip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 48px 36px;
  text-align: center;
}

.clients-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.client-logo {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.client-logo:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-3px);
}

.client-logo img {
  max-width: 100%;
  max-height: 72px;
  object-fit: contain;
}

.client-placeholder {
  font-size: 15px;
  color: var(--ink-400);
  letter-spacing: 2px;
}

@media (max-width: 900px) {
  .clients-logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .clients-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 新增模块响应式 ---------- */
@media (max-width: 1080px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-media-badge {
    right: 12px;
    bottom: -16px;
  }
  .quality-layout {
    grid-template-columns: 1fr;
  }
  .future-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .product-grid,
  .process-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }
  .honor-layout .honor-grid {
    grid-template-columns: 1fr;
  }
  .quality-photos {
    grid-template-columns: 1fr;
  }
}

/* 移动端 logo 文字适配 */
@media (max-width: 768px) {
  .logo-text strong {
    font-size: 14px;
  }
  .logo-text em {
    font-size: 8px;
    letter-spacing: 0.8px;
  }
  .logo-img {
    height: 34px;
  }
  .section-title {
    font-size: 28px;
  }
  .about-content .section-title,
  .rd-left .section-title {
    font-size: 26px;
  }
  .process-img {
    height: 150px;
  }
  .future-img {
    height: 220px;
  }
  .quality-photos img {
    height: 160px;
  }
  .about-media-badge {
    padding: 12px 16px;
  }
  .about-media-badge strong {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .logo-text em {
    display: none;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-eyebrow {
    font-size: 12px;
    letter-spacing: 1px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-stats {
    gap: 14px 20px;
  }
  .hero-stats li {
    width: calc(50% - 10px);
  }
  .hero-stats strong {
    font-size: 26px;
  }
  .section {
    padding: 48px 0;
  }
  .section-title {
    font-size: 24px;
  }
  .section-desc {
    font-size: 15px;
  }
  .product-card,
  .process-card,
  .honor-card,
  .esg-card {
    padding: 24px 20px;
  }
  .clients-strip {
    padding: 28px 20px;
  }
  .footer-inner {
    padding: 48px 24px 32px;
  }
  .contact-info {
    gap: 20px;
  }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}