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


    :root {
      /* 红色品牌色系 优化版 */
      --red: #a81818;             /* 基础主红色：按钮、圆形序号、标签底色 */
      --red-dark: #860c0c;        /* 深红：大标题、模块标题、重点正文 */
      --red-light: #d42222;       /* 亮红：hover高亮、强调点缀 */
      --red-soft: #ffe7e7;        /* 浅红底色：卡片标签背景，柔和不刺眼 */

      /* 基础色 */
      --white: #ffffff;
      --gray-100: #f7f3f2;        /* 极浅暖灰：板块交替背景section-alt */
      --gray-200: #e9e2e0;        /* 边框色：卡片边框、分割线 */
      --gray-300: #d1c6c3;        /* 浅灰辅助线、占位虚线 */

      /* 文本色 */
      --text-primary: #1c1210;    /* 正文主文字，微暖黑 */
      --text-muted: #574641;      /* 次要描述文字，暖调灰褐 */

      /* 阴影（融入红色环境光，和品牌统一） */
      --shadow: 0 16px 42px rgba(168, 24, 24, 0.09);
      --shadow-hover: 0 24px 56px rgba(168, 24, 24, 0.15);

      /* 尺寸、圆角、布局变量【保持不变】 */
      --radius: 24px;
      --radius-sm: 16px;
      --container: 1180px;
      --header-h: 72px;

      /* 字体不变 */
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    
    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      background: var(--white);
      color: var(--text-primary);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    section[id] {
      scroll-margin-top: 96px;
    }

    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    /* ===== 头部 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(179, 27, 27, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.10);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: var(--header-h);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
    }

    .brand-logo {
      width: 64px;          
      height: 52px;
      background: var(--white);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 32px;       /* 从 22px 改大 */
      color: var(--red-dark);
      flex-shrink: 0;
      box-shadow: 0 6px 14px rgba(0,0,0,0.08);
    }

    .brand-logo {
      width: 64px;
      height: auto;
      aspect-ratio: 64 / 52; /* 保持原容器比例，可替换为你logo的原始宽高比 */
      background: var(--white);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 0 6px 14px rgba(0,0,0,0.08);
      overflow: hidden;
    }

    .brand-logo img {
      width: 100%;
      height: 100%;
      object-fit: contain; /* 核心属性：强制图片等比缩放，完整显示不变形 */
    }

    .brand strong {
      display: block;
      font-size: 16px;
      font-weight: 700;
      line-height: 1.2;
    }

    .brand small {
      display: block;
      font-size: 11px;
      opacity: 0.78;
      line-height: 1.2;
    }

    .site-nav {
      display: flex;
      gap: 20px;
      color: rgba(255, 255, 255, 0.90);
      font-size: 14px;
      align-items: center;
    }

    .site-nav a {
      position: relative;
      transition: color 0.25s ease;
      font-weight: 500;
    }

    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 0;
      height: 2px;
      background: var(--white);
      transition: width 0.25s ease;
    }

    .site-nav a:hover {
      color: #fff;
    }
    .site-nav a:hover::after {
      width: 100%;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      color: #fff;
      border: 0;
      font-size: 28px;
      cursor: pointer;
      line-height: 1;
      padding: 4px;
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      min-height: 100svh;
      display: grid;
      place-items: center;
      background: var(--red-dark);
      color: #fff;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.30;
      transform: scale(1.02);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 70% 30%, rgba(179,27,27,0.40), rgba(122,18,18,0.85) 80%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 40px 0;
      max-width: 820px;
    }

    .hero-topline {
      font-size: 14px;
      letter-spacing: 0.10em;
      opacity: 0.80;
      margin-bottom: 24px;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(56px, 10vw, 120px);
      line-height: 0.92;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.02em;
    }

    .hero h1 span {
      font-size: 0.48em;
      display: block;
      margin-top: 8px;
      font-weight: 400;
      opacity: 0.85;
    }

    .hero p {
      font-size: 18px;
      opacity: 0.92;
      margin: 24px 0 34px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: 999px;
      font-weight: 600;
      transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    }
   
    .btn:hover {
      transform: translateY(-3px);
    }

    .btn-primary {
      background: var(--white);
      color: var(--red-dark);
      box-shadow: 0 12px 30px rgba(179, 27, 27, 0.25);
    }
    .btn-primary:hover {
      background: #fef6f4;
    }

    .btn-secondary {
      border: 1px solid rgba(255, 255, 255, 0.35);
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.14);
      border-color: rgba(255, 255, 255, 0.60);
    }

    /* ===== Cover 章节分隔 ===== */
    .cover-section {
      position: relative;
      min-height: 56svh;
      display: grid;
      place-items: center;
      color: #fff;
      overflow: hidden;
      background: var(--red-dark);
    }

    .cover-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.25;
    }

    .cover-gradient {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(122,18,18,0.92) 0%, rgba(179,27,27,0.60) 70%, rgba(179,27,27,0.20) 100%);
    }

    .cover-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 60px 0;
    }

    .cover-kicker {
      font-size: clamp(38px, 6vw, 74px);
      font-weight: 800;
      letter-spacing: 0.04em;
      line-height: 1;
    }

    .cover-content h2 {
      color: #fff;
      font-size: clamp(36px, 5vw, 68px);
      margin-top: 14px;
      letter-spacing: -0.01em;
    }

    .cover-content p {
      font-size: 26px;
      letter-spacing: 0.06em;
      font-weight: 600;
      margin-top: 8px;
      opacity: 0.85;
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 80px 0;
    }

    .section-alt {
      background: var(--gray-100);
    }

    .section-head {
      margin-bottom: 40px;
    }

    .section-head.split {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 24px;
    }

    .section-head p {
      max-width: 540px;
      color: var(--text-muted);
      margin: 0;
    }

    .eyebrow {
      color: var(--red);
      font-size: 13px;
      letter-spacing: 0.14em;
      font-weight: 700;
      text-transform: uppercase;
    }

    h2 {
      margin: 8px 0 0;
      font-size: clamp(32px, 4vw, 52px);
      line-height: 1.06;
      color: var(--red-dark);
      font-weight: 800;
    }

    /* ===== 目录 ===== */
    .section-contents {
      background: var(--gray-100);
      padding: 64px 0 80px;
    }

    .contents-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .contents-grid a {
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius);
      padding: 28px 30px;
      min-height: 180px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .contents-grid a:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--red-light);
    }

    .contents-grid span {
      display: block;
      color: var(--red);
      font-size: 28px;
      font-weight: 700;
    }

    .contents-grid strong {
      display: block;
      font-size: 22px;
      line-height: 1.3;
      margin-top: 6px;
    }

    .contents-grid small {
      color: var(--text-muted);
      font-size: 15px;
      margin-top: 8px;
    }

/* ===== 公司介绍 (红白) ===== */
.intro-section {
  background: var(--white);
}

.intro-section .two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start; /* 重点：把原来居中center改成start，允许图片单独下沉 */
}

.visual-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  min-height: 360px;
}
/* 图片下沉 */
.visual-card.stacked {
  margin-top: 82px;
}

.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
  
/* ===== 使命 ===== */
.mission-section {
  background: var(--gray-100);
}
.mission-section .two-col.reverse {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.visual-card.tall {
  margin-top: 120px; /* 整个卡片向下偏移，和背景介绍页面保持一致 */
  min-height: unset;
}

.visual-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}
.visual-card img {
  width: 100%;
  height: auto;
  display: block;
}

    /* ===== 核心价值观 ===== */
    .values-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
    }
    .values-grid article {
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius);
      padding: 28px 22px;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .values-grid article:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--red-light);
    }
    .values-grid h3 {
      font-size: 20px;
      color: var(--red-dark);
      margin-bottom: 12px;
    }
    .values-grid p {
      color: var(--text-muted);
      margin: 0;
    }

/* ===== 企业优势 ===== */
.section-head p {
  white-space: nowrap;
}

.advantages-section {
  background: var(--gray-100);
  padding: 60px 0;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.advantage-grid article {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
  position: relative;
}

.advantage-grid article:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.10);
  border-color: var(--red-light);
}

.advantage-grid article.active {
  border-color: var(--red);
  box-shadow: 0 16px 48px rgba(177, 21, 21, 0.15);
}

/* 图片区域 - 带覆盖层和图标 */
.advantage-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #fdf2f2, #fbe9e9);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.advantage-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.advantage-grid article:hover .advantage-img img {
  transform: scale(1.06);
}

.advantage-icon {
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-size: 28px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 文字区域 */
.advantage-text {
  padding: 22px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.advantage-grid h3 {
  font-size: 19px;
  color: var(--red-dark);
  margin-bottom: 10px;
  font-weight: 700;
}

.advantage-grid p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  flex: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .advantage-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .section-head p {
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .advantage-text {
    padding: 18px 18px 22px;
  }
  .advantage-grid h3 {
    font-size: 17px;
  }
  .advantage-grid p {
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .advantage-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .advantage-img {
    aspect-ratio: 16 / 8;
  }
}

    /* ===== 政策支持 ===== */
    .policy-section {
      background: var(--white);
    }
    .policy-panel {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow);
    }
    .policy-copy {
      padding: 56px 48px 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .policy-copy h2 {
      max-width: 480px;
      font-size: clamp(28px, 3vw, 40px);
      margin: 0 0 18px;
      color: var(--red-dark);
    }
    .policy-copy p {
      max-width: 560px;
      color: var(--text-muted);
      margin: 0 0 24px;
      font-size: 16px;
      line-height: 1.9;
    }
    .policy-list {
      max-width: 560px;
      list-style: none;
      padding: 0;
    }
    .policy-list li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 14px;
      font-size: 16px;
      color: var(--text-primary);
    }
    .policy-list li::before {
      content: "◆";
      position: absolute;
      left: 0;
      color: var(--red);
      font-size: 14px;
    }
    .policy-doc {
      margin-top: 20px;
      width: 140px;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow);
    }
    .policy-ship {
      min-height: 480px;
      overflow: hidden;
      background: var(--gray-100);
    }
    .policy-ship img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 3列左右图文布局 */
.advantage-grid.layout-3col {
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-grid.layout-3col article {
  flex-direction: row;
  align-items: center;
  padding: 24px;
  gap: 20px;
}

.advantage-grid.layout-3col .advantage-img {
  width: 90px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.advantage-grid.layout-3col .advantage-text {
  padding: 0;
}

/* 响应式适配 */
@media (max-width: 1080px) {
  .advantage-grid.layout-3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .advantage-grid.layout-3col {
    grid-template-columns: 1fr;
  }
}

/* ===== 服务范围 ===== */
.services-section {
  background: var(--gray-100);
  padding: 60px 0;
}

/* ===== 头部红色区块 ===== */
.service-head {
  background: var(--red-dark);
  border-radius: var(--radius);
  padding: 40px 48px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

/* 装饰光晕（弱化，不抢文字） */
.service-head::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -5%;
  width: 350px;
  height: 350px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
  pointer-events: none;
}
.service-head::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: 15%;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 50%;
  pointer-events: none;
}

.service-head-inner {
  position: relative;
  z-index: 1;
}

/* 上方英文 */
.service-head .eyebrow {
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

/* 重点：八大服务板块 → 纯雪白、加粗、超清晰 */
.service-head h2 {
  color: #ffffff !important;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

/* 描述文字提亮 */
.service-head p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  max-width: 600px;
  margin: 0;
  line-height: 1.6;
}

/* ===== 服务网格 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-grid article {
  background: var(--white);
  border-radius: 12px;
  padding: 26px 28px 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-left: 4px solid transparent;
  position: relative;
  overflow: hidden;
}

/* 卡片顶部细装饰线 */
.service-grid article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--red-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-grid article:hover::before {
  opacity: 1;
}

.service-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-left-color: var(--red);
}

/* ===== 卡片头部：编号 + 标题 ===== */
.service-card-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-200);
}

.service-number {
  font-size: 22px;
  font-weight: 800;
  color: var(--gray-300);
  line-height: 1;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  min-width: 36px;
  transition: color 0.3s ease;
}

.service-grid article:hover .service-number {
  color: var(--red);
}

.service-card-header h3 {
  font-size: 19px;
  color: var(--red-dark);
  margin: 0;
  font-weight: 700;
  transition: color 0.3s ease;
}

.service-grid article:hover .service-card-header h3 {
  color: var(--red);
}

/* ===== 段落 ===== */
.service-grid p {
  color: var(--text-muted);
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  padding-left: 48px;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .service-head {
    padding: 30px 28px;
  }
  .service-head h2 {
    font-size: 26px;
  }
  .service-grid {
    gap: 16px;
  }
  .service-grid article {
    padding: 20px 22px 24px;
  }
  .service-number {
    font-size: 18px;
    min-width: 30px;
  }
  .service-card-header h3 {
    font-size: 17px;
  }
  .service-grid p {
    padding-left: 42px;
    font-size: 13px;
  }
}

@media (max-width: 680px) {
  .service-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }
  .service-head {
    padding: 24px 18px;
    text-align: center;
  }
  .service-head h2 {
    font-size: 22px;
  }
  .service-head p {
    font-size: 13px;
    margin-left: auto;
    margin-right: auto;
  }
  .service-grid article {
    padding: 18px 18px 22px;
  }
  .service-grid p {
    padding-left: 0;
  }
  .service-card-header {
    gap: 10px;
    flex-wrap: wrap;
  }
  .service-number {
    font-size: 16px;
    min-width: 26px;
  }
  .service-card-header h3 {
    font-size: 16px;
  }
}

   /* ===== 全流程方案设计 ===== */
.scheme-section {
  background: var(--white);
  padding: 60px 0;
}

/* 头部描述文字 - 颜色与上下文一致 */
.scheme-intro {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin-top: 4px;
}

/* ===== 时间轴网格 ===== */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  margin: 32px 0 40px;
}

.timeline-grid div {
  padding: 18px 8px;
  background: var(--red-dark);
  color: #fff;
  /* 平行四边形切角 */
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
  font-size: 13px;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(179, 27, 27, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  word-break: break-word;
}

.timeline-grid div:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 40px rgba(179, 27, 27, 0.25);
}

/* 长文本特殊处理：市场调研与可行性研判 */
.timeline-grid div:nth-child(2) {
  font-size: 12px;
  padding: 18px 4px;
}

/* ===== 底部描述文字 ===== */
.scheme-footer {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--gray-200);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .timeline-grid {
    gap: 8px;
  }
  .timeline-grid div {
    font-size: 12px;
    padding: 14px 6px;
    min-height: 70px;
  }
  .timeline-grid div:nth-child(2) {
    font-size: 11px;
    padding: 14px 3px;
  }
}

@media (max-width: 820px) {
  .timeline-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }
  .timeline-grid div {
    font-size: 13px;
    padding: 16px 10px;
    min-height: 70px;
  }
  .timeline-grid div:nth-child(2) {
    font-size: 12px;
    padding: 16px 6px;
  }
  .scheme-footer {
    font-size: 14px;
    padding-top: 6px;
  }
}

@media (max-width: 520px) {
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .timeline-grid div {
    font-size: 12px;
    padding: 14px 8px;
    min-height: 60px;
    clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 100%);
  }
  .timeline-grid div:nth-child(2) {
    font-size: 11px;
    padding: 14px 4px;
  }
  .scheme-footer {
    font-size: 13px;
    text-align: left;
  }
}
   /* ===== 技术创新 ===== */
.innovation-section {
  background: var(--gray-100);
  padding: 60px 0;
  position: relative;
}

.innovation-intro {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin-top: 4px;
}

/* ===== 创新网格 ===== */
.innovation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.innovation-grid article {
  background: var(--white);
  border-radius: 16px;
  padding: 24px 22px 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  min-height: 150px;
  display: flex;
  flex-direction: column;
}

/* 卡片顶部红色装饰线 */
.innovation-grid article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), #e57373);
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* 背景装饰光晕 */
.innovation-grid article::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gray-100);
  opacity: 0.3;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.innovation-grid article:hover::before {
  opacity: 1;
}

.innovation-grid article:hover::after {
  opacity: 0.6;
}

.innovation-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
  border-color: var(--red-light);
}

/* ===== 图标容器（Font Awesome） ===== */
.innovation-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Font Awesome 图标本身 */
.innovation-icon i {
  font-size: 22px;
  width: 22px;
  text-align: center;
  line-height: 1;
}

.innovation-grid article:hover .innovation-icon {
  transform: scale(1.05) rotate(-4deg);
}

/* ===== 编号 ===== */
.innovation-number {
  font-size: 30px;
  font-weight: 800;
  color: var(--gray-300);
  line-height: 1;
  margin-bottom: 8px;
  transition: color 0.3s ease;
  font-family: 'Inter', 'Segoe UI', sans-serif;
}

.innovation-grid article:hover .innovation-number {
  color: var(--red);
}

/* ===== 标题 ===== */
.innovation-grid h3 {
  font-size: 16px;
  color: var(--red-dark);
  margin: 0;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.3s ease;
}

.innovation-grid article:hover h3 {
  color: var(--red);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .innovation-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .innovation-grid article {
    padding: 20px 18px 24px;
    min-height: 130px;
  }
  .innovation-icon {
    width: 42px;
    height: 42px;
    font-size: 18px;
    border-radius: 10px;
  }
  .innovation-icon i {
    font-size: 18px;
    width: 18px;
  }
  .innovation-number {
    font-size: 26px;
  }
  .innovation-grid h3 {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .innovation-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .innovation-grid article {
    padding: 18px 16px 22px;
    min-height: 110px;
  }
  .innovation-icon {
    width: 38px;
    height: 38px;
    font-size: 16px;
    border-radius: 10px;
    margin-bottom: 8px;
  }
  .innovation-icon i {
    font-size: 16px;
    width: 16px;
  }
  .innovation-number {
    font-size: 22px;
    margin-bottom: 6px;
  }
  .innovation-grid h3 {
    font-size: 13px;
  }
  .innovation-intro {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .innovation-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .innovation-grid article {
    padding: 14px 12px 18px;
    min-height: 100px;
    border-radius: 12px;
  }
  .innovation-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 8px;
    margin-bottom: 6px;
  }
  .innovation-icon i {
    font-size: 14px;
    width: 14px;
  }
  .innovation-number {
    font-size: 18px;
    margin-bottom: 4px;
  }
  .innovation-grid h3 {
    font-size: 11px;
    line-height: 1.4;
  }
}

/* ===== 专业团队 ===== */
.team-section {
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.team-layout {
  display: flex;
  flex-direction: column;
}

.team-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.team-header {
  margin-bottom: 4px;
}

.team-header .team-intro {
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 6px;
  max-width: 100%;
}

/* 卡片列表容器居中，卡片本身宽度固定 */
.team-list-vertical {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto; /* 整组卡片居中 */
  width: 100%;
}

.team-list-vertical article {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

/* 左侧红色装饰线 */
.team-list-vertical article::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 4px;
  background: var(--red-dark);
  border-radius: 0 4px 4px 0;
  transition: top 0.3s ease, bottom 0.3s ease;
}

.team-list-vertical article:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--red-light);
}

.team-list-vertical article:hover::before {
  top: 8px;
  bottom: 8px;
}

/* 序号 */
.team-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-300);
  line-height: 1;
  min-width: 36px;
  transition: color 0.25s ease;
}

.team-list-vertical article:hover .team-number {
  color: var(--red-dark);
}

/* 卡片文字 */
.team-card-content h3 {
  font-size: 18px;
  color: var(--red-dark);
  margin-bottom: 6px;
  line-height: 1.4;
}

.team-card-content p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 隐藏右侧图片 */
.team-right {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .team-list-vertical {
    max-width: 100%;
  }
  .team-list-vertical article {
    gap: 14px;
    padding: 18px 20px;
  }
  .team-number {
    font-size: 24px;
    min-width: 28px;
  }
}


/* ======= 通用标题样式 ======== */
.section-head {
  margin-bottom: 40px;
}

.section-head.center {
  text-align: center;
}

.section-head h2 {
  font-size: 48px;
  color: var(--red-dark);
  line-height: 1.2;
  margin: 0;
}

.section-head h2 span {
  font-size: 52px;
  text-transform: uppercase;
  display: block;
  font-weight: 400;
}

.section-head.full-red {
  background: var(--red-dark);
  padding: 30px 40px;
}

.section-head.full-red h2,
.section-head.text-white h2 {
  color: #ffffff;
}

/* ====================== 图片占位容器 ====================== */
.img-placeholder {
  width: 100%;
  height: 260px;
  background-color: #f5f5f5;
  border: 1px dashed #ccc;
  border-radius: var(--radius);
}

.circle-img .img-placeholder {
  height: 100%;
  border-radius: 50%;
}

.cooperate-left .img-placeholder {
  height: 100%;
  min-height: 520px;
  border-radius: 0;
}

.grid-global {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.grid-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
/* 品牌打造通栏 */
.grid-item.full-row-center {
  grid-column: 1 / -1;
  /* 控制宽度缩小+居中 */
  max-width: 50%;
  margin: 0 auto;
}

.grid-item h3 {
  font-size: 26px;
  color: var(--red-dark);
  margin: 0;
}
.grid-item p {
  line-height: 1.7;
  color: var(--text-muted);
  font-size: 16px;
  margin: 0;
}

.img-placeholder {
  width: 100%;
  height: 260px;
  background-color: #f5f5f5;
  border: 1px dashed #ccc;
  border-radius: var(--radius);
}

/* =========== 移动端适配 =========== */
@media (max-width: 992px) {
  .grid-global {
    grid-template-columns: 1fr;
  }
  /* 移动端取消宽度限制，铺满屏幕 */
  .grid-item.full-row-center {
    max-width: 100%;
  }
}

/* ======= 国际合作重要性板块 ========= */
#global-cooperate .container.flex-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.cooperate-left {
  background-color: #f5f5f5;
}

.cooperate-right {
  background: var(--red-dark);
  color: #fff;
  padding: 50px 40px;
}

.cooperate-right .intro {
  line-height: 1.7;
  margin-bottom: 32px;
}

.cooperate-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cooperate-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.cooperate-list li span {
  flex: 1;
}

/* ========丰富的人际网络板块 ========== */
#network {
  background-color: #f9f9f9;
  padding: 60px 0;
}

.network-list {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.network-item {
  text-align: center;
  flex: 1;
}

.circle-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 16px;
}

.network-item .label {
  background: var(--red-dark);
  color: #fff;
  display: inline-block;
  padding: 8px 32px;
  font-size: 18px;
}

/* =========== 移动端自适应 =========== */
@media (max-width: 992px) {
  .grid-global,
  .grid-item:nth-child(3),
  #global-cooperate .container.flex-row {
    grid-template-columns: 1fr;
  }

  .network-list {
    flex-wrap: wrap;
  }

  .network-item {
    flex: 0 1 45%;
  }
}

@media (max-width: 576px) {
  .network-item {
    flex: 0 1 100%;
  }

  .section-head h2 {
    font-size: 32px;
  }

  .section-head h2 span {
    font-size: 36px;
  }
}

/* ===== 服务流程 ====== */
.process-list {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 0;
}
/* 中间中轴线 */
.process-list::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
  transform: translateX(-50%);
  z-index: 1;
}

.process-list article {
  width: 42%;  /* 缩小卡片宽度 */
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px 24px 22px 66px;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  z-index: 2;
  margin-bottom: 2px; /* 缩减上下间距，更加紧凑 */
}
.process-list article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--red-light);
}

/* 奇数卡片 左侧 */
.process-list article:nth-child(odd) {
  left: 0;
}
/* 偶数卡片 右侧，缩小留白 */
.process-list article:nth-child(even) {
  left: 54%;
}

/* 红色圆形序号 */
.process-list span {
  position: absolute;
  left: 16px;
  top: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
}
.process-list h3 {
  font-size: 18px;
  color: var(--red-dark);
  margin: 0 0 6px;
}
.process-list p {
  color: var(--text-muted);
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
}

/* 中轴线圆点 */
.process-list article::after {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #999;
  position: absolute;
  top: 28px;
  z-index: 3;
}
.process-list article:nth-child(odd)::after {
  right: -6%;
}
.process-list article:nth-child(even)::after {
  left: -6%;
}

/* ========== 移动端适配 ========== */
@media (max-width: 992px) {
  .process-list::before {
    left: 18px;
    transform: none;
  }
  .process-list article {
    width: calc(100% - 46px);
    left: 0 !important;
    margin-left: 36px;
  }
  .process-list article::after {
    left: -30px !important;
    right: auto !important;
  }
}

    /* ===== 项目案例 ===== */
    .project-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .project-grid article {
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius);
      padding: 28px 24px;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .project-grid article:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--red-light);
    }
    .project-grid .tag {
      display: inline-block;
      padding: 4px 14px;
      border-radius: 999px;
      background: var(--red-soft);
      color: var(--red-dark);
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .project-grid h3 {
      font-size: 19px;
      color: var(--red-dark);
      margin-bottom: 10px;
    }
    .project-grid p {
      color: var(--text-muted);
      margin: 0;
      font-size: 15px;
    }

        /* 案例卡片链接样式，消除a标签默认效果，铺满整张卡片 */
    .project-grid article a {
      display: block;
      width: 100%;
      height: 100%;
      text-decoration: none;
      color: inherit;
    }
    /* 鼠标悬浮显示小手光标 */
    .project-grid article {
      cursor: pointer;
    }

    /* ===== 合作效益 ===== */
    .benefits-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: stretch;
    }
    .benefit-cards {
      display: grid;
      gap: 16px;
    }
    .benefit-cards article {
      background: var(--white);
      border: 1px solid var(--gray-200);
      border-radius: var(--radius-sm);
      padding: 24px 24px 20px;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .benefit-cards article:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--red-light);
    }
    .benefit-cards h3 {
      font-size: 19px;
      color: var(--red-dark);
      margin-bottom: 8px;
    }
    .benefit-cards p {
      color: var(--text-muted);
      margin: 0;
      font-size: 15px;
    }

    /* ===== 联系我们 ===== */
    .contact-section {
      background: var(--red-dark);
      color: #fff;
    }
    .contact-card {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      padding: 44px 40px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.10);
      backdrop-filter: blur(4px);
    }
    .contact-card h2 {
      color: #fff;
    }
    .contact-card .eyebrow {
      color: #f7baba;
    }
    .contact-card p {
      color: rgba(255, 255, 255, 0.85);
      margin: 6px 0;
    }
    .contact-people {
      display: grid;
      gap: 16px;
    }
    .contact-people article {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.10);
      border-radius: var(--radius-sm);
      padding: 20px 24px;
      transition: transform 0.25s ease, background 0.25s ease;
    }
    .contact-people article:hover {
      transform: translateY(-4px);
      background: rgba(255, 255, 255, 0.10);
    }
    .contact-people h3 {
      font-size: 20px;
      margin-bottom: 6px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #5a0e0e;
      color: rgba(255, 255, 255, 0.70);
      padding: 18px 0;
    }
    .site-footer .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .site-footer a {
      color: #fff;
      font-weight: 500;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1080px) {
      .values-grid, .advantage-grid { grid-template-columns: repeat(2, 1fr); }
      .project-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline-grid { grid-template-columns: repeat(4, 1fr); }
      .policy-panel { grid-template-columns: 1fr; }
      .policy-ship { min-height: 300px; }
    }

    @media (max-width: 820px) {
      .menu-toggle { display: block; }
      .site-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: var(--header-h);
        padding: 16px;
        background: var(--red-dark);
        border-radius: 18px;
        display: none;
        flex-direction: column;
        box-shadow: var(--shadow);
        max-height: calc(100vh - 110px);
        overflow-y: auto;
      }
      .site-nav.open { display: flex; }
      .site-nav a { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
      .site-nav a:last-child { border-bottom: 0; }
      .site-nav a::after { display: none; }

      .two-col, .two-col.reverse, .benefits-wrap, .contact-card,
      .intro-section .two-col, .mission-section .two-col.reverse {
        grid-template-columns: 1fr !important;
        gap: 32px;
      }
      .contents-grid, .service-grid, .process-list, .project-grid,
      .values-grid, .advantage-grid {
        grid-template-columns: 1fr;
      }
      .timeline-grid { grid-template-columns: 1fr 1fr; }
      .timeline-grid div { clip-path: none; border-radius: 12px; min-height: 60px; }
      .policy-copy { padding: 32px 24px; }
      .contact-card { padding: 28px 20px; }
      .section { padding: 56px 0; }
      .hero { min-height: 86svh; }
      .cover-section { min-height: 40svh; }
    }

    @media (max-width: 520px) {
      .container { width: calc(100% - 20px); }
      .hero h1 { font-size: 48px; }
      .btn { width: 100%; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .process-list article { padding-left: 60px; }
      .process-list span { left: 14px; width: 34px; height: 34px; font-size: 15px; }
      .timeline-grid { grid-template-columns: 1fr; }
      .site-footer .container { flex-direction: column; gap: 8px; align-items: flex-start; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }

    /* 语言切换组件样式 */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 10px;
}
.lang-link {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  transition: color 0.2s;
}
.lang-link:hover {
  color: #fff;
}
.lang-link.active {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
}
.lang-divider {
  color: rgba(255,255,255,0.4);
  font-size: 14px;
}

/* 移动端适配 */
@media (max-width: 820px) {
  .lang-switch {
    position: absolute;
    top: 18px;
    right: 64px;
  }
}