:root {
    /* 龙湖蓝品牌色 */
    --color-primary: #023886;
    --color-primary-alt: #033886;
    --color-primary-light: #1955b3;
    --color-deep: #031229;
    --color-accent: #16A7A8;

    /* 中性色 */
    --color-text-primary: #000000;
    --color-text-secondary: #333333;
    --color-text-tertiary: #656565;
    --color-text-muted: #444444;
    --color-bg: #FFFFFF;
    --color-bg-gray: #f6f6f6;
    --color-bg-dark: #031229;

    /* 字体 */
    --font-family-zh: "SourceHanSansCN-2", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-family-en: "Aleo", "Playfair Display", "Times New Roman", Georgia, serif;
    --font-family-en-bold: "Helvetica Neue", "Arial", sans-serif;

    /* 动效 */
    --ease-slow: cubic-bezier(0.5, 0.1, 0.07, 1);
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; font-size: 16px; }
  body {
    font-family: var(--font-family-zh);
    color: var(--color-text-primary);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }

  /* ============ LOGO 加载动画 ============ */
  .loader {
    position: fixed; inset: 0;
    z-index: 99999;
    pointer-events: none;
  }
  .loader .slice {
    position: absolute;
    left: 0; width: 100%;
    height: 33.4%;
    background: #fff;
    animation: sliceOut 0.6s 1.4s var(--ease-slow) forwards;
  }
  .loader .slice:nth-child(1) { top: 0; }
  .loader .slice:nth-child(2) { top: 33.33%; }
  .loader .slice:nth-child(3) { top: 66.66%; animation-delay: 1.5s; }
  @keyframes sliceOut {
    to { transform: translateX(100%); }
  }
  .loader .brand {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    animation: brandOut 0.5s 1.4s forwards;
  }
  @keyframes brandOut {
    to { opacity: 0; }
  }
  .loader .brand .cn {
    font-size: 56px;
    font-weight: 300;
    color: var(--color-primary);
    letter-spacing: 12px;
    margin-bottom: 12px;
    overflow: hidden;
  }
  .loader .brand .cn span {
    display: inline-block;
    opacity: 0;
    transform: translateY(40px);
    animation: charIn 0.5s var(--ease-slow) forwards;
  }
  .loader .brand .cn span:nth-child(1) { animation-delay: 0.1s; }
  .loader .brand .cn span:nth-child(2) { animation-delay: 0.25s; }
  @keyframes charIn {
    to { opacity: 1; transform: translateY(0); }
  }
  .loader .brand .en {
    font-family: var(--font-family-en);
    font-size: 14px;
    color: var(--color-accent);
    letter-spacing: 8px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 0.6s 0.5s forwards;
  }
  @keyframes fadeIn { to { opacity: 1; } }

  /* ============ 顶部导航 ============ */
  .navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 28px 60px;
    display: flex; justify-content: space-between; align-items: center;
    transition: all .55s var(--ease-slow);
  }
  .navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 18px 60px;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  }
  .navbar .logo {
    display: flex; align-items: baseline; gap: 14px;
    color: #fff;
    transition: color .4s var(--ease-slow);
  }
  .navbar.scrolled .logo { color: var(--color-primary); }
  .navbar .logo .cn {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 6px;
  }
  .navbar .logo .en {
    font-family: var(--font-family-en);
    font-size: 11px;
    letter-spacing: 4px;
    opacity: 0.7;
  }
  .nav-links { display: flex; gap: 48px; }
  .nav-links > .item { position: relative; }
  .nav-links > .item > a {
    color: #fff;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 8px 0;
    transition: color .4s;
  }
  .navbar.scrolled .nav-links > .item > a { color: var(--color-text-primary); }
  .nav-links > .item > a:hover { color: var(--color-accent); }

  /* 二级菜单：大图悬浮展开 */
  .sub-nav {
    position: fixed;
    top: 88px; left: 0; right: 0;
    background: #fff;
    padding: 0;
    opacity: 0; visibility: hidden;
    transform: translateY(-10px);
    transition: all .5s var(--ease-slow);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  }
  .nav-links > .item:hover .sub-nav {
    opacity: 1; visibility: visible; transform: translateY(0);
  }
  .sub-inner {
    display: grid;
    grid-template-columns: 5fr 7fr;
    min-height: 320px;
    max-width: 1600px;
    margin: 0 auto;
  }
  .sub-cover {
    position: relative;
    background: linear-gradient(135deg, #023886 0%, #031229 100%);
    color: #fff;
    padding: 60px;
    display: flex; flex-direction: column; justify-content: space-between;
    overflow: hidden;
  }
  .sub-cover::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(circle at 80% 20%, rgba(22,167,168,0.3) 0%, transparent 50%),
      radial-gradient(circle at 20% 80%, rgba(25,85,179,0.4) 0%, transparent 50%);
  }
  .sub-cover-title {
    position: relative;
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 16px;
  }
  .sub-cover-desc {
    position: relative;
    font-size: 14px;
    line-height: 1.9;
    opacity: 0.8;
    max-width: 360px;
  }
  .sub-cover-en {
    position: relative;
    font-family: var(--font-family-en);
    font-size: 14px;
    letter-spacing: 6px;
    color: var(--color-accent);
    text-transform: uppercase;
  }
  .sub-links {
    padding: 60px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 48px;
    align-content: center;
  }
  .sub-links a {
    display: flex; align-items: center; gap: 16px;
    font-size: 15px;
    color: var(--color-text-secondary);
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    transition: all .4s var(--ease-slow);
  }
  .sub-links a:hover {
    color: var(--color-primary);
    padding-left: 12px;
    border-bottom-color: var(--color-primary);
  }
  .sub-links a::before {
    content: counter(sub-counter, decimal-leading-zero);
    counter-increment: sub-counter;
    font-family: var(--font-family-en);
    font-size: 12px;
    color: var(--color-accent);
    letter-spacing: 2px;
  }
  .sub-links { counter-reset: sub-counter; }

  .nav-right { display: flex; align-items: center; gap: 24px; }
  .nav-right .lang {
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 3px;
    color: #fff;
    transition: color .4s;
  }
  .navbar.scrolled .nav-right .lang { color: var(--color-text-primary); }

  /* ============ Banner 首屏（视频背景模拟） ============ */
  .banner {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
    color: #fff;
  }
  .banner .banner-video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
  }
  .banner .bg {
    position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(3,18,41,0.14) 0%, rgba(3,18,41,0.40) 100%),
      linear-gradient(120deg, rgba(2,56,134,0.26) 0%, rgba(3,18,41,0.10) 55%, rgba(3,18,41,0.30) 100%);
    z-index: 1;
  }
  /* 模拟视频粒子流动效果（已被真实视频替代，隐藏）*/
  .banner .particles {
    position: absolute; inset: 0; z-index: 1;
    overflow: hidden;
    display: none;
  }
  .banner .particles::before,
  .banner .particles::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(1.5px 1.5px at 10% 20%, rgba(255,255,255,0.6), transparent),
      radial-gradient(2px 2px at 30% 50%, rgba(22,167,168,0.5), transparent),
      radial-gradient(1px 1px at 50% 80%, rgba(255,255,255,0.5), transparent),
      radial-gradient(2px 2px at 70% 30%, rgba(255,255,255,0.4), transparent),
      radial-gradient(1.5px 1.5px at 85% 70%, rgba(22,167,168,0.4), transparent),
      radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.6), transparent);
    background-size: 100% 100%;
    animation: drift 30s linear infinite;
  }
  .banner .particles::after {
    background-position: 50% 50%;
    animation-duration: 50s;
    animation-direction: reverse;
    opacity: 0.5;
  }
  @keyframes drift {
    0% { transform: translate(0, 0); }
    50% { transform: translate(-30px, -40px); }
    100% { transform: translate(0, 0); }
  }
  /* 模拟城市天际线（已被真实视频替代，隐藏）*/
  .banner .skyline {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 28%;
    z-index: 2;
    pointer-events: none;
    display: none;
  }
  .banner .skyline svg { width: 100%; height: 100%; }

  /* 大号 LOGO 水印 */
  .banner .watermark {
    position: absolute;
    left: 0; right: 0;
    bottom: 0;
    z-index: 2;
    text-align: center;
    font-family: var(--font-family-en);
    font-weight: 700;
    font-size: 18vw;
    line-height: 0.8;
    color: rgba(255,255,255,0.06);
    letter-spacing: -8px;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
  }
  .banner-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex; flex-direction: column;
    justify-content: center;
    padding: 0 60px;
    max-width: 1600px;
    margin: 0 auto;
  }
  .banner-eyebrow {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 8px;
    color: var(--color-accent);
    margin-bottom: 28px;
    text-transform: uppercase;
    opacity: 0;
    animation: slideUp 1.2s 1.6s var(--ease-slow) forwards;
  }
  .banner-title-cn {
    font-size: 64px;
    font-weight: 300;
    letter-spacing: 16px;
    margin-bottom: 24px;
    line-height: 1.3;
    opacity: 0;
    animation: slideUp 1.5s 1.8s var(--ease-slow) forwards;
  }
  .banner-title-en {
    font-family: var(--font-family-en);
    font-size: 22px;
    letter-spacing: 8px;
    font-weight: 400;
    text-transform: uppercase;
    margin-bottom: 56px;
    color: rgba(255,255,255,0.85);
    opacity: 0;
    animation: slideUp 1.5s 2s var(--ease-slow) forwards;
  }
  .banner-subtitle {
    max-width: 520px;
    font-size: 15px;
    line-height: 2;
    color: rgba(255,255,255,0.75);
    margin-bottom: 64px;
    opacity: 0;
    animation: slideUp 1.5s 2.2s var(--ease-slow) forwards;
  }
  @keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .banner-cta {
    display: inline-flex; align-items: center; gap: 20px;
    align-self: flex-start;
    padding: 20px 40px;
    border: 1px solid rgba(255,255,255,0.5);
    color: #fff;
    font-size: 14px;
    letter-spacing: 3px;
    transition: all .55s var(--ease-slow);
    opacity: 0;
    animation: slideUp 1.5s 2.4s var(--ease-slow) forwards;
  }
  .banner-cta:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    padding-right: 56px;
  }
  .banner-cta .arrow {
    font-family: var(--font-family-en);
    transition: transform .55s var(--ease-slow);
  }
  .banner-cta:hover .arrow { transform: translateX(8px); }

  /* 滚动指示 */
  .scroll-down {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    width: 30px;
    opacity: 0;
    animation: fadeIn 1s 2.6s forwards, bobble 2.5s 3s infinite;
  }
  @keyframes bobble {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
  }

  /* Banner 底部信息条（理念展示） */
  .banner-bar {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    z-index: 4;
    background: rgba(3, 18, 41, 0.7);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 60px;
    display: flex; justify-content: space-between; align-items: center;
    color: rgba(255,255,255,0.8);
  }
  .banner-bar-left {
    display: flex; align-items: center; gap: 20px;
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--color-accent);
  }
  .banner-bar-left::before {
    content: '';
    display: inline-block;
    width: 36px; height: 1px;
    background: var(--color-accent);
  }
  .banner-bar-title {
    flex: 1;
    text-align: center;
    font-size: 14px;
    letter-spacing: 6px;
  }
  .banner-bar-nav {
    display: flex; gap: 8px;
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 2px;
  }

  /* ============ 通用 Section ============ */
  section.block {
    padding: 140px 60px;
    position: relative;
  }
  .container {
    max-width: 1500px;
    margin: 0 auto;
    position: relative;
  }
  .section-head {
    margin-bottom: 80px;
    max-width: 720px;
  }
  .section-eyebrow {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 24px;
    padding-left: 50px;
    position: relative;
  }
  .section-eyebrow::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 36px; height: 1px;
    background: var(--color-accent);
  }
  .section-title {
    font-size: 48px;
    font-weight: 300;
    line-height: 1.3;
    letter-spacing: 6px;
    margin-bottom: 28px;
    color: var(--color-text-primary);
  }
  .section-title em {
    color: var(--color-primary);
    font-style: normal;
    font-weight: 400;
  }
  .section-intro {
    font-size: 15px;
    color: var(--color-text-tertiary);
    line-height: 2;
    letter-spacing: 0.5px;
  }

  /* ============ 业务板块 — 横向 hover 扩展 ============ */
  .business {
    padding: 0;
    height: 100vh;
    min-height: 700px;
    display: flex;
  }
  .biz-panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: flex .9s var(--ease-slow);
    color: #fff;
  }
  .biz-panel:hover { flex: 2.5; }
  /* 页脚/导航链接跳转后,模拟 hover 展开效果 + 青色脉冲边框(让用户立刻识别) */
  .biz-panel.biz-active { flex: 2.5; }
  .biz-panel.biz-active .bg { transform: scale(1.05); }
  .biz-panel.biz-active::before {
    background: linear-gradient(180deg, rgba(2,56,134,0.4) 0%, rgba(3,18,41,0.6) 60%, rgba(3,18,41,0.9) 100%);
  }
  .biz-panel.biz-active .biz-content { transform: translateY(0); }
  .biz-panel.biz-active .biz-subtitle,
  .biz-panel.biz-active .biz-desc,
  .biz-panel.biz-active .biz-more { opacity: 1; transform: translateY(0); }
  /* 进入时的脉冲提示 */
  .biz-panel.biz-active::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border: 3px solid var(--color-accent);
    z-index: 5;
    animation: biz-pulse-ring 1.4s ease-out 2;
  }
  @keyframes biz-pulse-ring {
    0%   { opacity: 1; box-shadow: inset 0 0 0 0 rgba(22,167,168,0.5); }
    50%  { opacity: 0.7; box-shadow: inset 0 0 28px 4px rgba(22,167,168,0.45); }
    100% { opacity: 0; box-shadow: inset 0 0 0 0 rgba(22,167,168,0); }
  }
  .biz-panel .bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 1s var(--ease-slow);
  }
  .biz-panel:nth-of-type(1) .bg { background-image: url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/biz-leasing.webp'); }
  .biz-panel:nth-of-type(2) .bg { background-image: url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/biz-visa.webp'); }
  .biz-panel:nth-of-type(3) .bg { background-image: url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/biz-rental.webp'); }
  .biz-panel:nth-of-type(4) .bg { background-image: url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/biz-asset.webp'); }
  .biz-panel:nth-of-type(5) .bg { background-image: url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/biz-overseas.webp'); }
  .biz-panel:hover .bg { transform: scale(1.05); }
  .biz-panel::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg,
      rgba(3,18,41,0.3) 0%,
      rgba(3,18,41,0.5) 60%,
      rgba(3,18,41,0.85) 100%);
    z-index: 1;
    transition: background .8s var(--ease-slow);
  }
  .biz-panel:hover::before {
    background: linear-gradient(180deg,
      rgba(2,56,134,0.4) 0%,
      rgba(3,18,41,0.6) 60%,
      rgba(3,18,41,0.9) 100%);
  }
  /* 占位渐变改由 JS 在 b.cover 为空时通过 element.style 设置,避免与上传封面冲突 */
  .biz-panel:hover:nth-child(n) .bg::after {
    content: '';
    position: absolute; inset: 0;
  }
  .biz-content {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 480px;
    padding: 60px 48px;
    z-index: 2;
    transform: translateY(80px);
    transition: transform .8s var(--ease-slow);
  }
  .biz-panel:hover .biz-content { transform: translateY(0); }
  .biz-num {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 28px;
    opacity: 0.9;
  }
  .biz-title {
    font-size: 30px;
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 12px;
    line-height: 1.3;
    white-space: nowrap;
  }
  .biz-en {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 4px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    margin-bottom: 24px;
    white-space: nowrap;
  }
  .biz-subtitle {
    font-size: 14px;
    color: var(--color-accent);
    letter-spacing: 2px;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: all .6s .2s var(--ease-slow);
  }
  .biz-desc {
    font-size: 13px;
    line-height: 1.95;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all .8s .3s var(--ease-slow);
  }
  .biz-panel:hover .biz-subtitle {
    opacity: 1; transform: translateY(0);
  }
  .biz-panel:hover .biz-desc {
    max-height: 200px; opacity: 1;
  }
  .biz-more {
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 3px;
    color: #fff;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.4);
    opacity: 0;
    transition: all .6s .4s var(--ease-slow);
  }
  .biz-panel:hover .biz-more {
    opacity: 1;
  }
  .biz-more:hover { border-color: var(--color-accent); color: var(--color-accent); }

  /* 业务详情 modal:所属板块标签 / 服务对象 / 实绩备注 */
  .news-modal-content .biz-cat {
    display: inline-block;
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--color-accent);
    padding: 5px 15px;
    margin-bottom: 24px;
    border: 1px solid rgba(22,167,168,0.35);
    border-radius: 20px;
  }
  .news-modal-content .biz-scope {
    font-size: 13px;
    color: var(--color-text-tertiary);
    margin: -10px 0 22px;
  }
  .news-modal-content .biz-scope strong { color: var(--color-primary); }
  .news-modal-content .biz-note {
    margin: 24px 0 6px;
    padding: 16px 22px;
    background: var(--color-bg-gray);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 6px 6px 0;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-primary);
  }
  .news-modal-content .biz-note strong { color: var(--color-primary); }

  /* ============ 关于我们 — 大段叙事 ============ */
  .about {
    padding: 160px 60px 80px;
    background: #fff;
    position: relative;
    overflow: hidden;
  }
  .about::before {
    content: 'SINCE 1993';
    position: absolute;
    top: 80px; right: -30px;
    font-family: var(--font-family-en);
    font-size: 200px;
    font-weight: 700;
    color: var(--color-bg-gray);
    letter-spacing: -8px;
    pointer-events: none;
    z-index: 0;
  }
  .about-grid {
    display: grid;
    grid-template-columns: 5fr 6fr;
    gap: 120px;
    align-items: center;
    position: relative;
    z-index: 1;
  }
  .about-text .section-title { margin-bottom: 40px; }
  .about-text p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 2.1;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
  }
  .about-text p strong {
    color: var(--color-primary);
    font-weight: 500;
  }
  .about-text .signature {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #eee;
    display: flex; align-items: center; gap: 24px;
  }
  .signature-name {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 4px;
  }
  .signature-title {
    font-family: var(--font-family-en);
    font-size: 12px;
    color: var(--color-text-tertiary);
    letter-spacing: 2px;
  }
  /* 数据展示 */
  .about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px 80px;
    padding: 80px 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-deep) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .about-stats::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(22,167,168,0.25) 0%, transparent 60%);
    pointer-events: none;
  }
  .stat-item { position: relative; z-index: 1; }
  .stat-num {
    font-family: var(--font-family-en);
    font-size: 64px;
    font-weight: 300;
    color: #fff;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 14px;
  }
  .stat-num sup {
    font-size: 18px;
    color: var(--color-accent);
    margin-left: 6px;
    vertical-align: super;
    font-weight: 400;
  }
  .stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    letter-spacing: 3px;
    margin-bottom: 6px;
  }
  .stat-en {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
  }

  /* ============ 代表项目 — 满屏沉浸 ============ */
  .project {
    height: 100vh;
    min-height: 700px;
    position: relative;
    color: #fff;
    overflow: hidden;
    padding: 0;
    display: flex;
    align-items: flex-end;
  }
  .project .bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #1a2a4e 0%, #023886 50%, #031229 100%);
    z-index: 1;
  }
  /* 模拟建筑剪影 */
  .project .skyline-bg {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 70%;
    z-index: 2;
  }
  .project .skyline-bg svg { width: 100%; height: 100%; }
  .project::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(3,18,41,0.4) 0%, rgba(3,18,41,0.8) 100%);
    z-index: 3;
  }
  .project-content {
    position: relative;
    z-index: 4;
    padding: 80px 60px;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
  }
  .project-content .section-title { color: #fff; }
  .project-content .section-eyebrow { color: var(--color-accent); }
  .project-meta {
    display: flex; gap: 60px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.2);
  }
  .meta-item span {
    display: block;
    font-family: var(--font-family-en);
    font-size: 11px;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 8px;
    text-transform: uppercase;
  }
  .meta-item strong {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
    color: #fff;
  }
  .project-en-name {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .project-desc {
    font-size: 15px;
    line-height: 2;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 520px;
  }

  /* ============ 全球网络 ============ */
  .global {
    padding: 140px 60px;
    background: var(--color-bg-gray);
    position: relative;
    overflow: hidden;
  }
  .global-inner {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 80px;
    align-items: center;
    max-width: 1500px;
    margin: 0 auto;
  }
  .city-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 56px;
    margin-top: 48px;
  }
  .city-list .city {
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 15px;
    color: var(--color-text-secondary);
    transition: all .4s var(--ease-slow);
    cursor: pointer;
  }
  .city-list .city:hover {
    color: var(--color-primary);
    padding-left: 12px;
    border-bottom-color: var(--color-primary);
  }
  .city-list .city .en {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 2px;
  }
  .map-wrap {
    position: relative;
    aspect-ratio: 2/1;
  }
  .map-wrap svg { width: 100%; height: 100%; display: block; }
  .map-wrap .hex-group { transition: transform .6s var(--ease-slow); transform-origin: center; transform-box: fill-box; }
  .map-wrap .hex-group:hover { transform: scale(1.04); }

  /* ============ 战略合作伙伴 ============ */
  .partners {
    padding: 140px 60px;
    background: #fff;
  }
  .partners-container { max-width: 1500px; margin: 0 auto; }
  .partner-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 48px;
  }
  .partner-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border: 1px solid #e2e2e2;
    background: #fff;
    color: var(--color-text-secondary);
    font-size: 15px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all .35s var(--ease-slow);
  }
  .partner-tab span {
    font-family: var(--font-family-en);
    font-size: 12px;
    color: var(--color-text-tertiary);
    transition: color .35s;
  }
  .partner-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
  .partner-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
  .partner-tab.active span { color: rgba(255,255,255,0.7); }
  .partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    margin-top: 28px;
    border-top: 1px solid #eee;
    border-left: 1px solid #eee;
  }
  .partner-item {
    aspect-ratio: 2/1;
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 14px;
    transition: all .55s var(--ease-slow);
    cursor: pointer;
    position: relative;
  }
  .partner-item:hover {
    background: #fff;
    box-shadow: 0 10px 30px rgba(2,56,134,0.13);
    z-index: 1;
  }
  .partner-name {
    font-size: 16px;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    font-weight: 400;
    letter-spacing: 2px;
    transition: color .4s;
  }
  .partner-item:hover .partner-name { color: #fff; }
  /* 有 logo 模式 */
  .partner-item .partner-logo {
    max-width: 74%;
    max-height: 66%;
    object-fit: contain;
    transition: filter .4s, transform .4s var(--ease-slow);
    filter: grayscale(40%) opacity(0.85);
  }
  .partner-item:hover .partner-logo {
    filter: grayscale(0) opacity(1) brightness(1.05);
    transform: scale(1.06);
  }
  /* logo 右下角国家 / 地区小字 */
  .partner-country {
    position: absolute;
    right: 8px;
    bottom: 6px;
    font-size: 10px;
    line-height: 1;
    color: var(--color-text-tertiary);
    letter-spacing: 1px;
    opacity: 0.65;
    transition: color .4s, opacity .4s;
    pointer-events: none;
  }
  .partner-item:hover .partner-country { color: #fff; opacity: 0.95; }
  /* 占位格:补齐网格最后一行,无交互 */
  .partner-item.partner-filler { cursor: default; pointer-events: none; }
  .partner-item.partner-filler:hover { background: transparent; }
  .partner-en {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color .4s;
  }

  /* ============ 资讯动态 ============ */
  .news {
    padding: 140px 60px;
    background: var(--color-bg-gray);
  }
  .news-container { max-width: 1500px; margin: 0 auto; }
  .news-head {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 80px;
  }
  .more-link {
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--color-primary);
    text-transform: uppercase;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-primary);
    transition: all .4s;
  }
  .more-link:hover { color: var(--color-accent); border-color: var(--color-accent); }

  .news-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
  }
  .news-feature {
    cursor: pointer;
  }
  .news-cover {
    aspect-ratio: 16/10;
    position: relative;
    overflow: hidden;
    margin-bottom: 32px;
    background: linear-gradient(135deg, #1a3a5e, #023886);
  }
  .news-cover .img {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #1a3a5e, #023886);
    transition: transform 1s var(--ease-slow);
  }
  .news-feature:hover .news-cover .img { transform: scale(1.06); }
  .news-feature .news-date {
    font-family: var(--font-family-en);
    font-size: 13px;
    color: var(--color-accent);
    letter-spacing: 3px;
    margin-bottom: 16px;
  }
  .news-feature h3 {
    font-size: 26px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 1px;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    transition: color .4s;
  }
  .news-feature:hover h3 { color: var(--color-primary); }
  .news-feature p {
    font-size: 14px;
    color: var(--color-text-tertiary);
    line-height: 1.9;
  }
  .news-list { display: flex; flex-direction: column; }
  .news-item {
    padding: 24px 0;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
    transition: all .4s var(--ease-slow);
  }
  .news-item:hover {
    padding-left: 12px;
  }
  .news-item .news-date {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 2px;
    margin-bottom: 8px;
  }
  .news-item h4 {
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text-secondary);
    transition: color .4s;
  }
  .news-item:hover h4 { color: var(--color-primary); }

  /* ============ 底部 CTA ============ */
  .cta-band {
    height: 60vh;
    min-height: 480px;
    position: relative;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    padding: 0;
  }
  .cta-band .bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #1a3a5e 0%, #023886 50%, #031229 100%);
    z-index: 1;
  }
  .cta-band::after {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(circle at 30% 70%, rgba(22,167,168,0.25) 0%, transparent 50%),
      radial-gradient(circle at 70% 30%, rgba(25,85,179,0.3) 0%, transparent 50%);
    z-index: 2;
  }
  .cta-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 60px;
  }
  .cta-en {
    font-family: var(--font-family-en);
    font-size: 14px;
    letter-spacing: 8px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 32px;
  }
  .cta-title {
    font-size: 52px;
    font-weight: 300;
    letter-spacing: 12px;
    line-height: 1.5;
    margin-bottom: 48px;
  }
  .cta-btn {
    display: inline-flex; align-items: center; gap: 20px;
    padding: 20px 48px;
    border: 1px solid rgba(255,255,255,0.6);
    color: #fff;
    font-size: 14px;
    letter-spacing: 4px;
    transition: all .55s var(--ease-slow);
  }
  .cta-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    padding-right: 64px;
  }
  .cta-btn .arrow {
    font-family: var(--font-family-en);
    transition: transform .55s var(--ease-slow);
  }
  .cta-btn:hover .arrow { transform: translateX(10px); }

  /* ============ 页脚 ============ */
  footer {
    background: var(--color-deep);
    color: rgba(255,255,255,0.5);
    padding: 100px 60px 32px;
  }
  .footer-grid {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 64px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .footer-brand .cn {
    color: #fff;
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 12px;
    margin-bottom: 8px;
  }
  .footer-brand .en {
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 6px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 32px;
  }
  .footer-brand p {
    font-size: 13px;
    line-height: 2;
    max-width: 300px;
    margin-bottom: 32px;
  }
  .footer-qr {
    display: flex; align-items: center; gap: 14px;
    margin-top: 4px;
  }
  .footer-qr .qr-img {
    width: 96px; height: 96px;
    padding: 5px;
    background: #fff;
    border-radius: 4px;
    flex-shrink: 0;
    box-shadow: 0 8px 24px -8px rgba(0,0,0,0.45);
  }
  .footer-qr .qr-img img {
    width: 100%; height: 100%;
    display: block;
    object-fit: contain;
  }
  .footer-qr .qr-tip { display: flex; flex-direction: column; gap: 4px; }
  .footer-qr .qr-tip strong {
    font-size: 13px;
    color: rgba(255,255,255,0.92);
    font-weight: 500;
    letter-spacing: 1.5px;
  }
  .footer-qr .qr-tip span {
    font-family: var(--font-family-en);
    font-size: 10.5px;
    color: var(--color-accent);
    letter-spacing: 2px;
  }
  .footer-col h5 {
    color: #fff;
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 28px;
    font-weight: 400;
  }
  .footer-col h5::after {
    content: '';
    display: block;
    width: 24px; height: 1px;
    background: var(--color-accent);
    margin-top: 12px;
  }
  .footer-col a {
    display: block;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 14px;
    transition: color .4s;
  }
  .footer-col a:hover { color: var(--color-accent); }
  .footer-contact a { margin-bottom: 18px; }
  .footer-contact a strong {
    display: block;
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 4px;
    letter-spacing: 1px;
  }
  .footer-contact a span {
    font-family: var(--font-family-en);
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.4);
  }
  .footer-bottom {
    max-width: 1500px;
    margin: 32px auto 0;
    display: flex; justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 1px;
  }
  .footer-bottom a:hover { color: var(--color-accent); }

  /* ============ 滚动动画 ============ */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s var(--ease-slow), transform 1.2s var(--ease-slow);
  }
  .reveal.show {
    opacity: 1; transform: translateY(0);
  }
  .reveal.delay-1 { transition-delay: .15s; }
  .reveal.delay-2 { transition-delay: .3s; }
  .reveal.delay-3 { transition-delay: .45s; }

  /* ============ 响应式 ============ */
  @media (max-width: 1024px) {
    .navbar, .navbar.scrolled { padding: 16px 24px; }
    .nav-links { display: none; }
    section.block, .about, .global, .partners, .news { padding: 80px 24px; }
    .banner-content { padding: 0 24px; }
    .banner-title-cn { font-size: 40px; letter-spacing: 8px; }
    .banner-title-en { font-size: 16px; letter-spacing: 4px; }
    .banner-bar { padding: 16px 24px; flex-wrap: wrap; gap: 12px; }
    .banner-bar-title { font-size: 12px; letter-spacing: 3px; }
    .section-title { font-size: 32px; letter-spacing: 3px; }
    .business { flex-direction: column; height: auto; }
    .biz-panel { min-height: 360px; }
    .about-grid, .global-inner, .project-content, .news-layout { grid-template-columns: 1fr; gap: 48px; }
    .partner-grid { grid-template-columns: repeat(3,1fr); }
    .partner-tab { padding: 8px 16px; font-size: 13px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .cta-title { font-size: 32px; letter-spacing: 6px; }
    .about::before { font-size: 100px; top: 40px; }
    footer { padding: 60px 24px 24px; }
  }

  /* ============ 新增:发展历程 / 创始团队 / 企业荣誉 / 资质认证 / 企业文化 ============ */
  .container { max-width: 1500px; margin: 0 auto; padding: 0 60px; }
  .section-intro {
    max-width: 720px;
    margin-top: 16px;
    color: var(--color-text-tertiary);
    font-size: 15px;
    line-height: 2;
  }

  /* ---- 发展历程 ---- */
  .history {
    padding: 40px 60px 110px;
    background: #fff;
    overflow: hidden;
  }
  .history-head { margin-bottom: 56px; }
  .hist-cols { column-count: 4; column-gap: 44px; }
  .hist-item { break-inside: avoid; -webkit-column-break-inside: avoid; display: flex; gap: 14px; margin: 0 0 28px; align-items: baseline; }
  .hist-year { flex: none; font-family: var(--font-family-en); font-style: italic; font-weight: 700; font-size: 21px; color: #2a2f3a; white-space: nowrap; }
  .hist-year i { font-style: normal; font-weight: 400; font-size: 12px; color: #9aa0ad; margin-left: 3px; }
  .hist-body { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
  .hist-line { display: flex; flex-direction: column; gap: 2px; }
  .hcn { font-size: 13.5px; line-height: 1.5; color: var(--color-text-primary); }
  .hen { font-family: var(--font-family-en); font-style: italic; font-size: 12.5px; line-height: 1.45; color: #96a0b2; }
  @media (max-width: 1280px) { .hist-cols { column-count: 3; } }
  @media (max-width: 1024px) { .hist-cols { column-count: 2; } }
  @media (max-width: 640px) { .hist-cols { column-count: 1; } }
  .timeline-wrap {
    position: relative;
    padding: 0 80px;
  }
  .timeline-track {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 60px 0 40px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
  }
  .timeline-track::-webkit-scrollbar { display: none; }
  .timeline-line {
    position: absolute;
    left: 0; right: 0; top: 178px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(2,56,134,0.12) 8%, rgba(2,56,134,0.12) 92%, transparent);
    pointer-events: none;
  }
  .timeline-item {
    flex: 0 0 280px;
    position: relative;
    padding-top: 60px;
    cursor: pointer;
    transition: all .5s var(--ease-slow);
  }
  .timeline-item .t-dot {
    position: absolute;
    top: 110px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px; height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(2,56,134,0.3);
    transition: all .4s var(--ease-slow);
    z-index: 2;
  }
  .timeline-item.active .t-dot {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(22,167,168,0.15);
  }
  .timeline-item .t-year {
    text-align: center;
    font-family: var(--font-family-en);
    font-size: 36px;
    font-weight: 300;
    color: var(--color-text-tertiary);
    letter-spacing: 3px;
    transition: all .4s var(--ease-slow);
    margin-bottom: 40px;
  }
  .timeline-item.active .t-year {
    color: var(--color-primary);
    font-size: 48px;
    font-weight: 500;
  }
  .timeline-item .t-card {
    margin: 0 24px;
    padding: 24px 22px;
    background: var(--color-bg-gray);
    border-left: 2px solid transparent;
    transition: all .4s var(--ease-slow);
    opacity: 0.5;
    transform: translateY(8px);
  }
  .timeline-item.active .t-card,
  .timeline-item:hover .t-card {
    opacity: 1;
    transform: translateY(0);
    border-left-color: var(--color-accent);
    background: #fff;
    box-shadow: 0 16px 40px -16px rgba(2,56,134,0.18);
  }
  .timeline-item .t-title {
    font-size: 17px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 10px;
  }
  .timeline-item .t-card p {
    font-size: 13px;
    line-height: 1.85;
    color: var(--color-text-tertiary);
  }
  .timeline-nav {
    position: absolute;
    top: 178px;
    transform: translateY(-50%);
    width: 48px; height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #e2e2e2;
    color: var(--color-primary);
    font-size: 22px;
    cursor: pointer;
    z-index: 3;
    transition: all .3s var(--ease-slow);
  }
  .timeline-nav:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
  }
  .timeline-nav.prev { left: 16px; }
  .timeline-nav.next { right: 16px; }

  /* ---- 创始团队 ---- */
  .team {
    padding: 140px 60px;
    background: var(--color-bg-gray);
  }
  .team-head { max-width: 1500px; margin: 0 auto; margin-bottom: 70px; }
  .team-grid {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
  .team-card {
    aspect-ratio: 3/4;
    perspective: 1200px;
    cursor: pointer;
    outline: none;
  }
  .team-inner {
    position: relative;
    width: 100%; height: 100%;
    transition: transform .8s var(--ease-slow);
    transform-style: preserve-3d;
  }
  .team-card:hover .team-inner,
  .team-card:focus .team-inner,
  .team-card.flipped .team-inner {
    transform: rotateY(180deg);
  }
  .team-front, .team-back {
    position: absolute; inset: 0;
    backface-visibility: hidden;
    display: flex; flex-direction: column;
    background: #fff;
    box-shadow: 0 20px 60px -24px rgba(2,56,134,0.18);
  }
  .team-front { padding: 36px 28px 32px; }
  .team-photo {
    flex: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    margin-bottom: 24px;
    display: flex;
    align-items: center; justify-content: center;
    color: rgba(255,255,255,0.92);
    font-family: var(--font-family-en);
    font-size: 56px;
    letter-spacing: 4px;
    font-weight: 300;
    position: relative;
    overflow: hidden;
  }
  .team-photo::after {
    content: attr(data-initial);
  }
  .team-photo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(22,167,168,0.3), transparent 60%);
  }
  .team-name {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--color-text-primary);
    margin-bottom: 6px;
  }
  .team-role {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
  }
  .team-role-en {
    font-family: var(--font-family-en);
    font-size: 10px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
  }
  .team-back {
    transform: rotateY(180deg);
    padding: 36px 28px;
    background: linear-gradient(155deg, var(--color-primary) 0%, var(--color-deep) 100%);
    color: #fff;
  }
  .team-back-title {
    font-size: 16px;
    margin-bottom: 18px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-accent);
  }
  .team-back p {
    font-size: 13px;
    line-height: 1.95;
    color: rgba(255,255,255,0.82);
    margin-bottom: 22px;
  }
  .team-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    list-style: none;
    margin-top: auto;
  }
  .team-tags li {
    padding: 4px 12px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    font-size: 11px;
    color: rgba(255,255,255,0.9);
  }

  /* ============ 创始人寄语:深蓝左右布局 + 翻转履历 ============ */
  .founder {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 392px 1fr;
    align-items: stretch;
    background:
      radial-gradient(circle at 16% 20%, rgba(22,167,168,0.14), transparent 46%),
      linear-gradient(150deg, #0a2a5c 0%, #061a40 48%, #03102a 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 50px 110px -46px rgba(2,12,41,0.85);
  }
  /* 左侧:竖幅人像(相框感) */
  .founder-photo {
    position: relative;
    align-self: center;
    width: 300px; height: 400px;
    margin: 56px 36px 56px 56px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border: 1px solid rgba(255,255,255,0.14);
    box-shadow: 0 30px 60px -28px rgba(0,0,0,0.65),
                inset 0 0 0 1px rgba(22,167,168,0.16);
  }
  .founder-photo img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center top;
    display: block;
    filter: grayscale(0.1) contrast(1.05) brightness(0.98);
  }
  /* 右侧:翻转面板 */
  .founder-panel { perspective: 1800px; cursor: pointer; outline: none; align-self: stretch; }
  .founder-inner {
    position: relative;
    width: 100%; height: 100%;
    min-height: 560px;
    transition: transform .9s var(--ease-slow);
    transform-style: preserve-3d;
  }
  .founder-panel:hover .founder-inner,
  .founder-panel:focus .founder-inner,
  .founder-panel.flipped .founder-inner {
    transform: rotateY(180deg);
  }
  .founder-front, .founder-back {
    position: absolute; inset: 0;
    backface-visibility: hidden;
    display: flex; flex-direction: column;
    justify-content: center;
    padding: 54px 64px 54px 40px;
  }
  /* 正面:大引号 + 引言 + 署名 + 简介 */
  .founder-quotemark {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 72px; line-height: 0.5;
    height: 34px;
    color: var(--color-accent);
    margin-bottom: 26px;
  }
  .founder-quote {
    margin: 0 0 30px;
    font-size: 27px;
    line-height: 1.62;
    letter-spacing: 1px;
    color: #fff;
    font-weight: 400;
    font-family: var(--font-family-zh);
  }
  .founder-quote::before { content: '“'; }
  .founder-quote::after { content: '”'; }
  .founder-divider {
    width: 48px; height: 2px;
    background: var(--color-accent);
    margin-bottom: 28px;
  }
  .founder-name {
    font-family: var(--font-family-en);
    font-size: 25px;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: 8px;
  }
  .founder-name span {
    margin-left: 14px;
    font-family: var(--font-family-zh);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.88);
  }
  .founder-role-en {
    font-size: 11px;
    letter-spacing: 2.5px;
    color: rgba(22,167,168,0.85);
    text-transform: uppercase;
    margin-bottom: 26px;
  }
  .founder-bio {
    font-size: 14px;
    line-height: 1.95;
    color: rgba(255,255,255,0.6);
    margin: 0;
    max-width: 460px;
    font-family: var(--font-family-zh);
  }
  .founder-flip-hint {
    margin-top: 30px;
    font-family: var(--font-family-en);
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.42);
    display: flex; align-items: center; gap: 8px;
  }
  .founder-flip-hint::before {
    content: '';
    width: 24px; height: 1px;
    background: var(--color-accent);
  }
  /* 背面:完整履历(可滚动) */
  .founder-back {
    transform: rotateY(180deg);
    background: linear-gradient(150deg, #0c2f63 0%, #061a40 55%, #03102a 100%);
    color: #fff;
    justify-content: flex-start;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 42px 52px 42px 40px;
  }
  .founder-back::-webkit-scrollbar { width: 5px; }
  .founder-back::-webkit-scrollbar-track { background: transparent; }
  .founder-back::-webkit-scrollbar-thumb { background: rgba(22,167,168,0.45); border-radius: 3px; }
  .founder-back-title {
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 22px;
    text-transform: uppercase;
  }
  .founder-back .founder-back-lead {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.82);
    margin: 0 0 22px;
    max-width: 520px;
    font-family: var(--font-family-zh);
  }
  .founder-resume {
    display: flex; flex-direction: column;
    gap: 22px; margin-bottom: 24px;
  }
  .founder-resume-sec h5 {
    margin: 0 0 12px; padding-bottom: 7px;
    font-family: var(--font-family-zh);
    font-size: 13px; font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-accent);
    border-bottom: 1px solid rgba(22,167,168,0.22);
  }
  .founder-resume-sec ul {
    list-style: none; margin: 0; padding: 0;
    display: flex; flex-direction: column; gap: 10px;
  }
  .founder-resume-sec li {
    display: flex; gap: 12px;
    font-size: 12.5px; line-height: 1.6;
    color: rgba(255,255,255,0.74);
    font-family: var(--font-family-zh);
  }
  .founder-resume-sec li .ry {
    flex: 0 0 auto; min-width: 46px;
    font-family: var(--font-family-en);
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--color-accent);
    padding-top: 1px;
  }
  .founder-resume-sec li .rt { flex: 1 1 auto; }
  .founder-tags {
    display: flex; flex-wrap: wrap; gap: 10px;
    list-style: none;
  }
  .founder-tags li {
    padding: 6px 18px;
    border: 1px solid rgba(22,167,168,0.4);
    border-radius: 20px;
    font-size: 12px;
    color: var(--color-accent);
  }
  @media (max-width: 880px) {
    .founder { grid-template-columns: 1fr; }
    .founder-photo { width: auto; height: 360px; margin: 32px 32px 0; align-self: stretch; }
    .founder-front, .founder-back { padding: 36px 30px; }
    .founder-inner { min-height: 620px; }
    .founder-quote { font-size: 22px; }
  }

  /* ---- 企业荣誉 ---- */
  .honors {
    padding: 140px 0;
    background: #fff;
    overflow: hidden;
  }
  .honors-head { max-width: 1500px; margin: 0 auto; padding: 0 60px; margin-bottom: 60px; }
  .hw-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
  .hw-tab {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 24px; border: 1px solid #e2e2e2; background: #fff;
    color: var(--color-text-secondary); font-size: 15px; letter-spacing: 1px;
    cursor: pointer; transition: all .35s var(--ease-slow);
  }
  .hw-tab span { font-family: var(--font-family-en); font-size: 12px; color: var(--color-text-tertiary); transition: color .35s; }
  .hw-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
  .hw-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
  .hw-tab.active span { color: rgba(255,255,255,0.7); }

  .hw-viewport { position: relative; max-width: 1500px; margin: 0 auto; }
  .hw-wall {
    margin: 40px 0 0; padding: 6px 60px 8px;
    display: flex; gap: 22px; overflow-x: auto; overflow-y: hidden;
    scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none;
  }
  .hw-wall::-webkit-scrollbar { display: none; }
  .hw-sentinel { flex: 0 0 1px; align-self: stretch; }
  .hw-arrow {
    position: absolute; top: 44%; transform: translateY(-50%); z-index: 4;
    width: 50px; height: 50px; border-radius: 50%;
    border: 1px solid #e6e6e6; background: rgba(255,255,255,.94);
    box-shadow: 0 12px 28px -12px rgba(3,18,41,.45);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-family-en); font-size: 24px; line-height: 1; color: var(--color-primary);
    cursor: pointer; transition: all .35s var(--ease-slow);
  }
  .hw-arrow:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
  .hw-arrow.prev { left: 18px; } .hw-arrow.next { right: 18px; }
  .hw-card { flex: 0 0 230px; width: 230px; display: flex; flex-direction: column; border: none; background: transparent; padding: 0; cursor: pointer; text-align: left; font: inherit; color: inherit; }
  .hw-thumb {
    display: block; aspect-ratio: 3/4; overflow: hidden;
    background: linear-gradient(160deg, #fff, #F2EFE8); border: 1px solid #ececec;
    box-shadow: 0 18px 40px -28px rgba(3,18,41,.5);
    transition: transform .45s var(--ease-slow), box-shadow .45s var(--ease-slow);
  }
  .hw-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform .5s var(--ease-slow); }
  .hw-cup .hw-thumb img { object-fit: cover; }
  .hw-card:hover .hw-thumb { transform: translateY(-6px); box-shadow: 0 28px 52px -26px rgba(3,18,41,.55); }
  .hw-card:hover .hw-thumb img { transform: scale(1.05); }
  .hw-cap { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-top: 14px; }
  .hw-t { font-size: 14px; color: var(--color-text-primary); letter-spacing: .5px; line-height: 1.45; }
  .hw-y { flex: none; font-family: var(--font-family-en); font-size: 13px; color: var(--color-accent); }

  /* 荣誉墙灯箱 */
  .hw-lightbox { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; background: rgba(3,18,41,.93); padding: 48px; }
  .hw-lightbox.on { display: flex; }
  .hw-lb-fig { max-width: min(880px, 92vw); display: flex; flex-direction: column; align-items: center; gap: 18px; margin: 0; }
  .hw-lb-fig img { max-width: 100%; max-height: 78vh; object-fit: contain; box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); background: #fff; }
  .hw-lb-fig figcaption { color: #fff; font-size: 15px; letter-spacing: 1px; }
  .hw-lb-close { position: absolute; top: 22px; right: 28px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: transparent; color: #fff; font-size: 24px; cursor: pointer; transition: .3s; }
  .hw-lb-close:hover { background: rgba(255,255,255,.15); }
  .hw-lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 54px; height: 54px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: transparent; color: #fff; font-size: 28px; cursor: pointer; transition: .3s; }
  .hw-lb-nav:hover { background: rgba(255,255,255,.15); }
  .hw-lb-nav.prev { left: 28px; } .hw-lb-nav.next { right: 28px; }
  .honors-marquee {
    overflow: hidden;
    position: relative;
    padding: 20px 0;
    mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  }
  .marquee-track {
    display: flex;
    gap: 24px;
    animation: honorScroll 50s linear infinite;
    width: max-content;
  }
  .marquee-track:hover { animation-play-state: paused; }
  @keyframes honorScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  .honor-card {
    flex: 0 0 320px;
    padding: 32px 28px;
    background: var(--color-bg-gray);
    border-top: 3px solid var(--color-accent);
    transition: all .4s var(--ease-slow);
    cursor: default;
  }
  .honor-card:hover {
    transform: translateY(-6px);
    background: #fff;
    box-shadow: 0 30px 60px -20px rgba(2,56,134,0.18);
    border-top-color: var(--color-primary);
  }
  .honor-card .h-year {
    font-family: var(--font-family-en);
    font-size: 28px;
    font-weight: 300;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 2px;
  }
  .honor-card .h-name {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    font-weight: 500;
    min-height: 50px;
  }
  .honor-card .h-org {
    font-size: 12px;
    color: var(--color-text-tertiary);
    padding-top: 14px;
    border-top: 1px solid rgba(0,0,0,0.06);
  }

  /* ---- 资质认证 ---- */
  .cert {
    padding: 140px 60px;
    background: var(--color-bg-gray);
  }
  .cert-head { max-width: 1500px; margin: 0 auto; margin-bottom: 60px; }
  .cert-layout {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
  }
  .cert-tabs {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-left: 1px solid #ddd;
  }
  .cert-tab {
    text-align: left;
    padding: 18px 24px;
    background: transparent;
    border: none;
    border-left: 2px solid transparent;
    margin-left: -1px;
    font-family: inherit;
    font-size: 15px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all .35s var(--ease-slow);
    position: relative;
  }
  .cert-tab:hover { color: var(--color-text-primary); padding-left: 30px; }
  .cert-tab.active {
    color: var(--color-primary);
    border-left-color: var(--color-accent);
    font-weight: 500;
    padding-left: 30px;
  }
  .cert-tab.active::after {
    content: '';
    position: absolute;
    right: -1px; top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
  }
  .cert-panels { position: relative; min-height: 380px; }
  .cert-panel {
    position: absolute; inset: 0;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity .5s var(--ease-slow), transform .5s var(--ease-slow);
  }
  .cert-panel.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .cert-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .cert-list li {
    display: flex;
    gap: 18px;
    padding: 24px 22px;
    background: #fff;
    border-bottom: 2px solid transparent;
    transition: all .35s var(--ease-slow);
    cursor: default;
  }
  .cert-list li:hover {
    border-bottom-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px -16px rgba(2,56,134,0.18);
  }
  .cert-list .c-code {
    font-family: var(--font-family-en);
    font-size: 22px;
    font-weight: 300;
    color: var(--color-accent);
    letter-spacing: 1px;
    flex-shrink: 0;
    padding-top: 2px;
  }
  .cert-list li > div { display: flex; flex-direction: column; }
  .cert-list strong {
    font-size: 15px;
    color: var(--color-text-primary);
    margin-bottom: 6px;
    font-weight: 500;
  }
  .cert-list span:not(.c-code) {
    font-size: 12px;
    line-height: 1.7;
    color: var(--color-text-tertiary);
  }

  /* ---- 企业文化 ---- */
  .culture {
    position: relative;
    padding: 130px 60px;
    background: var(--color-deep) url('https://fenshen1.oss-cn-heyuan.aliyuncs.com/supercity/static/our-missions-bg.jpg') center/cover no-repeat;
    overflow: hidden;
  }
  .culture-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(3,18,41,0.94) 0%, rgba(2,56,134,0.82) 42%, rgba(2,56,134,0.30) 100%);
  }
  .culture-inner { position: relative; z-index: 1; max-width: 1500px; margin: 0 auto; padding: 0 60px; }
  .culture-head { margin-bottom: 50px; }
  .culture .section-title, .culture .section-title em { color: #fff; }
  .culture .section-intro { color: rgba(255,255,255,0.82); }
  .mission-title {
    font-family: var(--font-family-en);
    font-size: 30px;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 1px;
    margin-bottom: 28px;
  }
  .mission-list {
    list-style: none;
    display: grid;
    gap: 16px;
    max-width: 720px;
  }
  .mission-list li {
    display: flex;
    align-items: baseline;
    gap: 16px;
    color: #fff;
  }
  .mission-list b {
    flex: none;
    width: 28px;
    text-align: center;
    font-family: var(--font-family-en);
    font-size: 26px;
    font-weight: 700;
    line-height: 1;
    color: var(--color-accent);
  }
  .mission-list .m-en {
    flex: none;
    min-width: 210px;
    font-family: var(--font-family-en);
    font-size: 18px;
    font-weight: 500;
    color: #fff;
  }
  .mission-list i {
    font-style: normal;
    font-size: 16px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.9);
  }

  /* ---- 资讯动态详情 modal ---- */
  .news-feature, .news-item { cursor: pointer; transition: all .35s var(--ease-slow); }
  .news-feature:hover { transform: translateY(-4px); }
  .news-cover .img { transition: background .5s var(--ease-slow), opacity .4s var(--ease-slow); }
  .news-item { padding-left: 0; position: relative; }
  .news-item::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    width: 2px; height: 0;
    background: var(--color-accent);
    transition: height .35s var(--ease-slow), top .35s var(--ease-slow);
  }
  .news-item:hover h4 { color: var(--color-primary); }
  .news-item:hover { padding-left: 12px; }
  .news-item.active { padding-left: 16px; }
  .news-item.active::before { height: 70%; top: 15%; }
  .news-item.active .news-date { color: var(--color-accent); }
  .news-item.active h4 { color: var(--color-primary); font-weight: 500; }
  .news-modal {
    position: fixed; inset: 0;
    z-index: 100070;
    background: rgba(3,18,41,0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s var(--ease-slow);
    display: flex; align-items: center; justify-content: center;
    padding: 40px 24px;
  }
  .news-modal.show { opacity: 1; pointer-events: auto; }
  .news-modal-box {
    background: #fff;
    width: 100%; max-width: 880px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(40px) scale(0.97);
    transition: transform .55s var(--ease-slow);
    position: relative;
  }
  .news-modal.show .news-modal-box { transform: translateY(0) scale(1); }
  .news-modal-cover {
    height: 320px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-deep) 100%);
    position: relative;
    overflow: hidden;
  }
  .news-modal-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle at 80% 20%, rgba(22,167,168,0.3), transparent 50%),
      radial-gradient(circle at 20% 80%, rgba(255,255,255,0.08), transparent 50%);
  }
  .news-modal-cover .cover-tag {
    position: absolute;
    left: 40px; bottom: 40px;
    color: #fff;
    z-index: 2;
  }
  .news-modal-cover .cover-tag .t-en {
    font-family: var(--font-family-en);
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 12px;
  }
  .news-modal-cover .cover-tag .t-cn {
    font-size: 14px;
    letter-spacing: 2px;
    opacity: 0.85;
    white-space: nowrap;
  }
  .news-modal-body { padding: 50px 60px 60px; }
  .news-modal-meta {
    display: flex; gap: 20px;
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 2px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #eee;
  }
  .news-modal-meta span { display: flex; align-items: center; gap: 6px; }
  .news-modal-title {
    font-size: 28px;
    line-height: 1.5;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 30px;
  }
  .news-modal-content p {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: 22px;
  }
  .news-modal-content p:first-child::first-letter {
    font-size: 48px;
    font-weight: 500;
    float: left;
    line-height: 1;
    color: var(--color-primary);
    margin-right: 8px;
    margin-top: 4px;
  }
  .news-modal-close {
    position: absolute;
    right: 24px; top: 24px;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    border: none;
    cursor: pointer;
    z-index: 3;
    font-size: 22px;
    color: var(--color-primary);
    transition: all .25s var(--ease-slow);
  }
  .news-modal-close:hover {
    background: var(--color-primary);
    color: #fff;
    transform: rotate(90deg);
  }

  /* ---- 移动端响应式 ---- */
  @media (max-width: 960px) {
    .history, .team, .honors, .cert, .culture { padding: 80px 24px; }
    .history { padding: 70px 24px; }
    .honors { padding: 80px 0; }
    .container { padding: 0 24px; }
    .honors-head { padding: 0 24px; }
    .hw-wall { padding: 6px 24px 8px; gap: 14px; }
    .culture-inner { padding: 0 24px; }
    .hw-card { flex-basis: 62vw; width: 62vw; max-width: 240px; }
    .hw-arrow { width: 40px; height: 40px; font-size: 20px; }
    .hw-arrow.prev { left: 6px; } .hw-arrow.next { right: 6px; }
    .hw-tab { padding: 8px 16px; font-size: 13px; }
    .hw-lightbox { padding: 24px; }
    .hw-lb-nav.prev { left: 8px; } .hw-lb-nav.next { right: 8px; }
    .timeline-wrap { padding: 0 24px; }
    .timeline-nav { display: none; }
    .timeline-item { flex-basis: 240px; }
    .team-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .cert-layout { grid-template-columns: 1fr; gap: 32px; }
    .cert-tabs { flex-direction: row; overflow-x: auto; border-left: none; border-bottom: 1px solid #ddd; }
    .cert-tab { border-left: none; border-bottom: 2px solid transparent; padding: 14px 18px; white-space: nowrap; }
    .cert-tab.active { border-left: none; border-bottom-color: var(--color-accent); padding-left: 18px; }
    .cert-tab:hover { padding-left: 18px; }
    .cert-list { grid-template-columns: 1fr; gap: 14px; }
    .culture { padding: 70px 24px; }
    .mission-title { font-size: 24px; margin-bottom: 20px; }
    .mission-list li { flex-wrap: wrap; gap: 8px 12px; }
    .mission-list .m-en { min-width: 0; font-size: 16px; }
    .mission-list b { font-size: 22px; width: 22px; }
    .culture-overlay { background: linear-gradient(180deg, rgba(3,18,41,0.92) 0%, rgba(2,56,134,0.86) 100%); }
    .news-modal-body { padding: 32px 28px 40px; }
    .news-modal-title { font-size: 22px; }
    .news-modal-cover { height: 200px; }
    .news-modal-cover .cover-tag .t-cn { font-size: 12px; letter-spacing: 1px; }
  }

  /* ============ 登录按钮 + 登录弹层 + 后台 CMS ============ */
  .nav-right { display: flex; align-items: center; gap: 18px; }
  .nav-login-btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.35);
    color: #fff;
    padding: 7px 16px;
    border-radius: 999px;
    font-family: inherit;
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all .3s var(--ease-slow);
  }
  .navbar.scrolled .nav-login-btn {
    border-color: rgba(2,56,134,0.35);
    color: var(--color-primary);
  }
  .nav-login-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-1px);
  }
  .nav-login-btn .login-icon { display: inline-flex; }
  .nav-login-btn.is-logged { padding-right: 12px; }
  .nav-login-btn.is-logged .login-text::after {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    margin-left: 6px;
    vertical-align: middle;
  }

  .auth-modal {
    position: fixed; inset: 0; z-index: 100050;
    background: rgba(3,18,41,0.78);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0; pointer-events: none;
    transition: opacity .35s var(--ease-slow);
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
  }
  .auth-modal.show { opacity: 1; pointer-events: auto; }
  .auth-box {
    background: #fff;
    width: 100%; max-width: 420px;
    padding: 44px 44px 36px;
    position: relative;
    transform: translateY(30px) scale(0.96);
    transition: transform .45s var(--ease-slow);
    border-top: 3px solid var(--color-accent);
  }
  .auth-modal.show .auth-box { transform: translateY(0) scale(1); }
  .auth-close {
    position: absolute; right: 14px; top: 14px;
    width: 32px; height: 32px;
    background: transparent; border: none;
    font-size: 22px;
    color: #999;
    cursor: pointer;
    transition: color .2s;
  }
  .auth-close:hover { color: var(--color-primary); }
  .auth-brand { text-align: center; margin-bottom: 28px; }
  .auth-brand .auth-cn {
    font-size: 26px;
    letter-spacing: 10px;
    color: var(--color-primary);
    font-weight: 300;
    margin-bottom: 4px;
  }
  .auth-brand .auth-en {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-accent);
    letter-spacing: 3px;
  }
  .auth-title {
    font-size: 18px;
    color: var(--color-text-primary);
    font-weight: 500;
    margin-bottom: 6px;
  }
  .auth-sub {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-bottom: 26px;
    line-height: 1.7;
  }
  .auth-field {
    display: block;
    margin-bottom: 18px;
    position: relative;
  }
  .auth-label {
    display: block;
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 6px;
    text-transform: uppercase;
  }
  .auth-field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e2e2;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 14px;
    color: var(--color-text-primary);
    transition: all .25s var(--ease-slow);
    outline: none;
  }
  .auth-field input:focus {
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(2,56,134,0.08);
  }
  .auth-eye {
    position: absolute;
    right: 10px; bottom: 8px;
    width: 32px; height: 32px;
    background: transparent; border: none;
    color: #999;
    cursor: pointer;
  }
  .auth-eye:hover { color: var(--color-primary); }
  .auth-error {
    min-height: 18px;
    font-size: 12px;
    color: #c62828;
    margin: 0 0 12px;
    transition: opacity .2s;
    opacity: 0;
  }
  .auth-error.show { opacity: 1; }
  .auth-submit {
    width: 100%;
    padding: 14px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all .3s var(--ease-slow);
    display: flex; align-items: center; justify-content: center; gap: 12px;
  }
  .auth-submit:hover {
    background: var(--color-primary-light);
    letter-spacing: 5px;
  }
  .auth-submit .arrow { transition: transform .3s; }
  .auth-submit:hover .arrow { transform: translateX(4px); }
  .auth-hint {
    margin-top: 22px;
    padding: 14px 16px;
    background: rgba(22,167,168,0.06);
    border-left: 2px solid var(--color-accent);
    font-size: 11.5px;
    color: var(--color-text-tertiary);
    line-height: 1.85;
    display: flex; flex-direction: column;
  }
  .auth-hint strong {
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 4px;
    font-size: 12px;
  }

  /* ============ CMS 后台 ============ */
  .cms {
    position: fixed; inset: 0;
    z-index: 100040;
    background: #f4f5f7;
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s var(--ease-slow);
    display: flex; flex-direction: column;
    font-family: var(--font-family-zh);
  }
  .cms.show { opacity: 1; pointer-events: auto; }
  .cms-bar {
    flex-shrink: 0;
    height: 60px;
    background: #fff;
    border-bottom: 1px solid #e5e6e8;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px;
  }
  .cms-bar-left { display: flex; align-items: center; gap: 32px; }
  .cms-brand { display: flex; align-items: baseline; gap: 10px; }
  .cms-brand .cms-cn { font-size: 18px; letter-spacing: 4px; color: var(--color-primary); }
  .cms-brand .cms-en { font-family: var(--font-family-en); font-size: 11px; color: var(--color-text-tertiary); letter-spacing: 2px; }
  .cms-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-tertiary); }
  .cms-crumb .sep { color: #ccc; }
  .cms-crumb .cur { color: var(--color-text-primary); font-weight: 500; }
  .cms-bar-right { display: flex; align-items: center; gap: 18px; }
  .cms-user { display: flex; align-items: center; gap: 10px; font-size: 13px; }
  .cms-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 0;
  }
  .cms-uname { font-weight: 500; color: var(--color-text-primary); display: block; line-height: 1.2; }
  .cms-urole { font-size: 11px; color: var(--color-text-tertiary); display: block; line-height: 1.2; }
  .cms-logout {
    background: transparent;
    border: 1px solid #e5e6e8;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all .25s;
  }
  .cms-logout:hover { border-color: var(--color-primary); color: var(--color-primary); }
  .cms-body { flex: 1; display: flex; min-height: 0; }
  .cms-side {
    width: 220px;
    background: #fff;
    border-right: 1px solid #e5e6e8;
    padding: 24px 0;
    overflow-y: auto;
  }
  .cms-side-group { margin-bottom: 28px; padding: 0 18px; }
  .cms-side-title {
    font-size: 11px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    padding: 0 12px;
    text-transform: uppercase;
  }
  .cms-side-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    font-size: 13.5px;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: all .25s;
    user-select: none;
  }
  .cms-side-link .ico { color: var(--color-accent); font-size: 10px; }
  .cms-side-link .cnt {
    margin-left: auto;
    background: var(--color-bg-gray);
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 11px;
    color: var(--color-text-tertiary);
  }
  .cms-side-link:hover:not(.disabled) { background: var(--color-bg-gray); color: var(--color-primary); }
  .cms-side-link.active {
    background: rgba(2,56,134,0.06);
    color: var(--color-primary);
    font-weight: 500;
  }
  .cms-side-link.active .cnt { background: var(--color-primary); color: #fff; }
  .cms-side-link.disabled { color: #c0c4ca; cursor: not-allowed; }
  .cms-side-link.disabled .ico { color: #d0d4da; }
  .cms-main { flex: 1; overflow-y: auto; padding: 32px 36px; }
  .cms-view { display: none; }
  .cms-view.active { display: block; }
  .cms-view-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e6e8;
  }
  .cms-h2 { font-size: 22px; font-weight: 500; color: var(--color-text-primary); margin-bottom: 6px; letter-spacing: 1px; }
  .cms-p { font-size: 12.5px; color: var(--color-text-tertiary); line-height: 1.6; }
  .cms-actions { display: flex; gap: 10px; }
  .cms-btn {
    padding: 9px 18px;
    border: 1px solid transparent;
    background: var(--color-bg-gray);
    color: var(--color-text-secondary);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    border-radius: 4px;
    display: inline-flex; align-items: center; gap: 6px;
    transition: all .25s;
  }
  .cms-btn.small { padding: 6px 12px; font-size: 12px; }
  .cms-btn.primary { background: var(--color-primary); color: #fff; }
  .cms-btn.primary:hover { background: var(--color-primary-light); }
  .cms-btn.ghost { background: transparent; border-color: #e5e6e8; }
  .cms-btn.ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
  .cms-btn.danger { background: transparent; border-color: #f3d1d1; color: #c62828; }
  .cms-btn.danger:hover { background: #c62828; border-color: #c62828; color: #fff; }
  .cms-btn .plus { font-size: 16px; line-height: 1; }
  .cms-filter {
    display: flex; gap: 12px;
    background: #fff;
    padding: 16px 18px;
    border: 1px solid #e5e6e8;
    margin-bottom: 18px;
    border-radius: 4px;
    align-items: center;
    flex-wrap: wrap;
  }
  .cms-field { position: relative; flex: 1; min-width: 160px; max-width: 320px; }
  .cms-field input, .cms-field select {
    width: 100%;
    padding: 9px 14px;
    padding-left: 14px;
    border: 1px solid #e5e6e8;
    background: #fff;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text-primary);
    border-radius: 4px;
    outline: none;
    transition: border .2s;
  }
  .cms-field input:focus, .cms-field select:focus { border-color: var(--color-primary); }
  .cms-field input[type="search"] { padding-left: 36px; }
  .cms-field-ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; opacity: .5; pointer-events: none; }
  .cms-table-wrap {
    background: #fff;
    border: 1px solid #e5e6e8;
    border-radius: 4px;
    overflow: hidden;
  }
  .cms-table { width: 100%; border-collapse: collapse; }
  .cms-table thead { background: #fafbfc; }
  .cms-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    letter-spacing: 1px;
    text-transform: uppercase;
    border-bottom: 1px solid #e5e6e8;
  }
  .cms-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f0f1f3;
    font-size: 13px;
    color: var(--color-text-primary);
    vertical-align: middle;
  }
  .cms-table tbody tr { transition: background .15s; }
  .cms-table tbody tr:hover { background: #fafbfc; }
  .cms-table tbody tr:last-child td { border-bottom: none; }
  .cms-cover-thumb {
    width: 80px; height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-deep) 100%);
    background-size: cover;
    background-position: center;
    border-radius: 3px;
    position: relative;
  }
  .cms-cover-thumb.empty::after {
    content: 'NO COVER';
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-family-en);
    font-size: 9px;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.55);
  }
  .cms-news-title { font-weight: 500; color: var(--color-text-primary); margin-bottom: 3px; max-width: 460px; }
  .cms-news-author { font-size: 11px; color: var(--color-text-tertiary); }
  .cms-news-author .pinned {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    margin-right: 6px;
  }
  .cms-tag {
    display: inline-block;
    padding: 3px 8px;
    background: rgba(2,56,134,0.07);
    color: var(--color-primary);
    border-radius: 3px;
    font-size: 11px;
  }
  .cms-weight {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-family-en);
    color: var(--color-primary);
    font-weight: 500;
  }
  .cms-weight-bar {
    width: 36px; height: 4px;
    background: #eef0f3;
    border-radius: 2px;
    overflow: hidden;
  }
  .cms-weight-bar i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  }
  .cms-views { font-family: var(--font-family-en); color: var(--color-text-secondary); }
  .cms-row-actions { display: flex; gap: 6px; }
  .cms-row-actions button {
    background: transparent;
    border: 1px solid #e5e6e8;
    padding: 5px 10px;
    border-radius: 3px;
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all .2s;
  }
  .cms-row-actions .edit:hover { border-color: var(--color-primary); color: var(--color-primary); }
  .cms-row-actions .del:hover { border-color: #c62828; color: #c62828; }
  .cms-empty { padding: 60px 20px; text-align: center; color: var(--color-text-tertiary); font-size: 13px; }

  /* ===== 编辑视图 ===== */
  .cms-edit-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
  }
  .cms-edit-main, .cms-edit-side {
    background: #fff;
    padding: 24px;
    border: 1px solid #e5e6e8;
    border-radius: 4px;
  }
  .cms-edit-side { align-self: start; }
  .cms-form-field { margin-bottom: 18px; }
  .cms-form-field:last-child { margin-bottom: 0; }
  .cms-form-field label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
  }
  .cms-form-field label em {
    font-style: normal;
    color: #c62828;
    margin-left: 2px;
  }
  .cms-form-field input[type="text"],
  .cms-form-field input[type="number"],
  .cms-form-field input[type="date"],
  .cms-form-field select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #e5e6e8;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--color-text-primary);
    border-radius: 4px;
    outline: none;
    transition: all .2s;
  }
  .cms-form-field input:focus,
  .cms-form-field select:focus {
    border-color: var(--color-primary);
    background: #fff;
  }
  .cms-form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-bottom: 18px; }
  .cms-form-row .cms-form-field { margin-bottom: 0; }
  .rte-toolbar {
    display: flex; flex-wrap: wrap; gap: 4px;
    padding: 8px 10px;
    background: var(--color-bg-gray);
    border: 1px solid #e5e6e8;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
  }
  .rte-toolbar button {
    background: #fff;
    border: 1px solid transparent;
    padding: 5px 10px;
    font-family: inherit;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: 3px;
    min-width: 28px;
    transition: all .15s;
  }
  .rte-toolbar button:hover { background: #fff; border-color: var(--color-primary); color: var(--color-primary); }
  .rte-toolbar button.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
  .rte-sep { width: 1px; background: #ddd; margin: 0 4px; }
  .rte-editor {
    min-height: 320px;
    max-height: 580px;
    overflow-y: auto;
    padding: 20px 24px;
    border: 1px solid #e5e6e8;
    border-radius: 0 0 4px 4px;
    background: #fff;
    font-size: 14px;
    line-height: 1.95;
    color: var(--color-text-primary);
    outline: none;
  }
  .rte-editor:focus { border-color: var(--color-primary); }
  .rte-editor p { margin-bottom: 12px; }
  .rte-editor h3 { font-size: 20px; margin: 18px 0 12px; font-weight: 500; color: var(--color-primary); }
  .rte-editor h4 { font-size: 16px; margin: 16px 0 10px; font-weight: 500; color: var(--color-text-primary); }
  .rte-editor ul, .rte-editor ol { margin: 0 0 12px 22px; }
  .rte-editor img { max-width: 100%; margin: 10px 0; border-radius: 3px; }
  .rte-editor a { color: var(--color-accent); text-decoration: underline; }
  .rte-editor[data-empty]::before {
    content: attr(data-empty);
    color: #b5b9c0;
    pointer-events: none;
    position: absolute;
  }
  .cms-cover-uploader {
    border: 1px dashed #cfd3d8;
    background: var(--color-bg-gray);
    padding: 12px;
    border-radius: 4px;
    transition: all .2s;
  }
  .cms-cover-uploader.dragover { border-color: var(--color-primary); background: rgba(2,56,134,0.04); }
  .cover-preview {
    aspect-ratio: 16/9;
    background: #fff;
    border: 1px solid #e5e6e8;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
  }
  .cover-preview .cover-placeholder {
    text-align: center;
    font-size: 12px;
    color: var(--color-text-tertiary);
    line-height: 1.7;
    padding: 0 10px;
  }
  .cover-preview .cover-placeholder small { color: #b5b9c0; font-size: 10.5px; }
  .cover-preview.has-img .cover-placeholder { display: none; }
  .cover-actions { display: flex; gap: 8px; margin-top: 10px; }
  .cms-switch {
    display: inline-flex; align-items: center; gap: 10px;
    cursor: pointer;
  }
  .cms-switch input { display: none; }
  .cms-switch-track {
    width: 38px; height: 22px;
    background: #d8dcdf;
    border-radius: 11px;
    position: relative;
    transition: background .25s;
  }
  .cms-switch-thumb {
    position: absolute;
    width: 18px; height: 18px;
    background: #fff;
    border-radius: 50%;
    top: 2px; left: 2px;
    transition: transform .25s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  }
  .cms-switch input:checked + .cms-switch-track { background: var(--color-accent); }
  .cms-switch input:checked + .cms-switch-track .cms-switch-thumb { transform: translateX(16px); }
  .cms-switch-text { font-size: 12px; color: var(--color-text-tertiary); }
  .cms-switch input:checked ~ .cms-switch-text { color: var(--color-accent); }

  /* CMS 移动端 */
  @media (max-width: 960px) {
    .nav-login-btn { padding: 6px 12px; font-size: 12px; }
    .auth-box { padding: 36px 24px 28px; }
    .cms-side { width: 64px; padding: 12px 0; }
    .cms-side-title, .cms-side-link span:not(.ico):not(.cnt) { display: none; }
    .cms-side-link .cnt { margin-left: auto; }
    .cms-main { padding: 18px; }
    .cms-edit-grid { grid-template-columns: 1fr; }
    .cms-form-row { grid-template-columns: 1fr; }
    .cms-view-head { flex-direction: column; align-items: flex-start; }
    .cms-filter { flex-direction: column; align-items: stretch; }
    .cms-field { max-width: 100%; }
  }

  /* ============ 项目轮播 ============ */
  /* 覆盖原 .project-content 的 grid 两列布局(那是旧的单项目沉浸式残留) */
  .project-content {
    display: block;
    max-width: 1500px;
    margin: 0 auto;
    padding: 80px 60px;
  }
  .project-head { margin-bottom: 50px; }
  .project-head-intro {
    max-width: 720px;
    margin-top: 16px;
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    line-height: 2;
  }
  .project-carousel { position: relative; }
  .project-viewport {
    position: relative;
    overflow: hidden;
    border-radius: 2px;
  }
  .project-track {
    display: flex;
    transition: transform .65s var(--ease-slow);
    will-change: transform;
  }
  .project-slide {
    flex: 0 0 100%;
    min-width: 100%;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 72px;
    align-items: stretch;
    padding: 20px 0;
    min-height: 480px;
    position: relative;
  }
  .project-slide .slide-image {
    background-color: rgba(255,255,255,0.04);
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(255,255,255,0.08);
    position: relative;
    overflow: hidden;
    min-height: 460px;
  }
  .project-slide .slide-image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(2,56,134,0.18) 0%, transparent 60%);
    pointer-events: none;
  }
  .project-slide .slide-image.empty {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-deep) 100%);
    display: flex; align-items: center; justify-content: center;
  }
  .project-slide .slide-image.empty::before {
    content: attr(data-initial);
    font-family: var(--font-family-en);
    font-size: 96px;
    font-weight: 300;
    color: rgba(255,255,255,0.22);
    letter-spacing: 8px;
  }
  /* 背景视频:嵌在原型的 .slide-image 盒子内绝对铺满,保证视频区与图片区严格同尺寸 */
  .project-slide .slide-image .slide-video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
  }
  /* 视频声音开关 */
  .project-slide .slide-sound {
    position: absolute;
    top: 36px; left: 18px;
    z-index: 4;
    width: 42px; height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(3,18,41,0.55);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: background .3s, transform .3s;
  }
  .project-slide .slide-sound:hover {
    background: var(--color-primary);
    transform: scale(1.08);
  }
  .project-slide .slide-info {
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .project-slide .slide-en {
    font-family: var(--font-family-en);
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 18px;
  }
  .project-slide .slide-title {
    font-size: 38px;
    font-weight: 300;
    letter-spacing: 4px;
    line-height: 1.3;
    margin-bottom: 24px;
  }
  .project-slide .slide-desc {
    font-size: 14.5px;
    line-height: 2;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 520px;
  }
  .project-slide .slide-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 28px;
    list-style: none;
  }
  .project-slide .slide-tags li {
    padding: 4px 12px;
    border: 1px solid rgba(22,167,168,0.4);
    color: var(--color-accent);
    font-size: 11px;
    border-radius: 20px;
  }
  .project-slide .slide-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.12);
    max-width: 520px;
  }
  .project-slide .slide-meta .item span {
    display: block;
    font-family: var(--font-family-en);
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 6px;
  }
  .project-slide .slide-meta .item strong {
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    letter-spacing: 1px;
  }
  .project-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px; height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    z-index: 5;
    transition: all .3s var(--ease-slow);
    backdrop-filter: blur(4px);
  }
  .project-arrow:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
  }
  .project-arrow.prev { left: -76px; }
  .project-arrow.next { right: -76px; }
  .project-arrow:disabled { opacity: 0.3; cursor: not-allowed; }
  .project-dots {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 32px;
  }
  .project-dots button {
    width: 24px; height: 3px;
    background: rgba(255,255,255,0.18);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all .3s var(--ease-slow);
  }
  .project-dots button.active {
    width: 48px;
    background: var(--color-accent);
  }

  /* CMS 表单的 textarea */
  .cms-form-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e5e6e8;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--color-text-primary);
    border-radius: 4px;
    outline: none;
    transition: all .2s;
    resize: vertical;
    line-height: 1.7;
  }
  .cms-form-field textarea:focus { border-color: var(--color-primary); background: #fff; }

  /* CMS 团队头像缩略 + 编辑器的 avatar 圆形 */
  .cms-avatar-thumb {
    width: 40px; height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary);
    background-size: cover;
    background-position: center;
    color: rgba(255,255,255,0.9);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-family-en);
    font-size: 13px;
    letter-spacing: 1px;
  }
  .cover-preview.avatar { aspect-ratio: 1/1; border-radius: 50%; max-width: 200px; margin: 0 auto; }

  /* 项目轮播移动端 */
  @media (max-width: 960px) {
    .project-content { padding: 0 24px; }
    .project-slide { grid-template-columns: 1fr; gap: 30px; padding: 12px 0; }
    .project-slide .slide-title { font-size: 26px; letter-spacing: 2px; }
    .project-slide .slide-meta { grid-template-columns: 1fr 1fr; gap: 14px; }
    .project-arrow.prev { left: 4px; }
    .project-arrow.next { right: 4px; }
    .project-arrow { width: 40px; height: 40px; background: rgba(0,0,0,0.5); }
  }

  /* 业务领域详情 modal 顶部编号角标 */
  .biz-modal-num {
    position: absolute;
    right: 40px; top: 30px;
    font-family: var(--font-family-en);
    font-size: 40px;
    font-weight: 300;
    color: rgba(255,255,255,0.85);
    letter-spacing: 4px;
    z-index: 2;
  }
  /* 业务卡变可点击 */
  .biz-panel { cursor: pointer; }
  .biz-panel .biz-more { pointer-events: none; }

  /* ============ 资讯动态全部列表 overlay ============ */
  .news-allpage {
    position: fixed; inset: 0;
    z-index: 100030;
    background: #f5f6f8;
    display: flex; flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: opacity .45s var(--ease-slow), transform .45s var(--ease-slow);
    font-family: var(--font-family-zh);
  }
  .news-allpage.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nap-bar {
    flex-shrink: 0;
    height: 70px;
    background: #fff;
    border-bottom: 1px solid #e5e6e8;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 36px;
    gap: 24px;
  }
  .nap-back {
    justify-self: start;
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent;
    border: 1px solid #e5e6e8;
    padding: 8px 16px 8px 12px;
    border-radius: 22px;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all .25s var(--ease-slow);
  }
  .nap-back:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateX(-2px); }
  .nap-back-ico { font-size: 18px; line-height: 1; margin-top: -1px; }
  .nap-title { text-align: center; }
  .nap-title .nap-en {
    font-family: var(--font-family-en);
    font-size: 11px;
    color: var(--color-accent);
    letter-spacing: 3px;
    margin-bottom: 4px;
  }
  .nap-title .nap-cn {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 4px;
  }
  .nap-title .nap-cn em { font-style: normal; color: var(--color-text-primary); }
  .nap-count {
    justify-self: end;
    font-family: var(--font-family-en);
    font-size: 12px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
  }
  .nap-filter {
    flex-shrink: 0;
    display: flex; gap: 14px;
    padding: 18px 36px;
    background: #fff;
    border-bottom: 1px solid #e5e6e8;
    align-items: center;
  }
  .nap-search {
    flex: 1;
    position: relative;
    max-width: 480px;
  }
  .nap-search input {
    width: 100%;
    padding: 10px 16px 10px 38px;
    border: 1px solid #e5e6e8;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--color-text-primary);
    border-radius: 4px;
    outline: none;
    transition: all .2s;
  }
  .nap-search input:focus { border-color: var(--color-primary); background: #fff; }
  .nap-search-ico {
    position: absolute; left: 12px; top: 50%;
    transform: translateY(-50%);
    font-size: 13px; opacity: .55;
    pointer-events: none;
  }
  .nap-select {
    padding: 10px 16px;
    border: 1px solid #e5e6e8;
    background: #fff;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text-primary);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    min-width: 140px;
  }
  .nap-select:focus { border-color: var(--color-primary); }
  .nap-body {
    flex: 1;
    overflow-y: auto;
    padding: 36px;
  }
  .nap-grid {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .nap-card {
    background: #fff;
    border: 1px solid #ecedef;
    cursor: pointer;
    transition: all .35s var(--ease-slow);
    display: flex; flex-direction: column;
    overflow: hidden;
  }
  .nap-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px -22px rgba(2,56,134,0.18);
    border-color: transparent;
  }
  .nap-cover {
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    background-color: rgba(2,56,134,0.05);
    position: relative;
    overflow: hidden;
  }
  .nap-cover.empty {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-deep) 100%);
    display: flex; align-items: center; justify-content: center;
  }
  .nap-cover.empty::after {
    content: 'SUPER CITY';
    font-family: var(--font-family-en);
    font-size: 16px;
    color: rgba(255,255,255,0.18);
    letter-spacing: 4px;
  }
  .nap-card:hover .nap-cover { filter: brightness(1.05); }
  .nap-card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
  .nap-card-meta {
    display: flex; gap: 10px; align-items: center;
    font-family: var(--font-family-en);
    font-size: 10.5px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 10px;
  }
  .nap-card-tag {
    display: inline-block;
    padding: 2px 9px;
    background: rgba(22,167,168,0.08);
    color: var(--color-accent);
    font-family: inherit;
    font-size: 11px;
    letter-spacing: 0.5px;
    border-radius: 2px;
  }
  .nap-card-pinned {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-accent);
    color: #fff;
    font-family: inherit;
    font-size: 10px;
    letter-spacing: 0.5px;
    border-radius: 2px;
  }
  .nap-card h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.55;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .25s;
  }
  .nap-card:hover h3 { color: var(--color-primary); }
  .nap-card p {
    font-size: 13px;
    line-height: 1.85;
    color: var(--color-text-tertiary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
  }
  .nap-card-foot {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #f0f1f3;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 11px;
    color: var(--color-text-tertiary);
  }
  .nap-card-foot .views { font-family: var(--font-family-en); }
  .nap-card-foot .more {
    color: var(--color-primary);
    font-family: var(--font-family-en);
    letter-spacing: 1.5px;
    transition: gap .25s;
  }
  .nap-card:hover .nap-card-foot .more { color: var(--color-accent); }
  .nap-empty { text-align: center; padding: 80px 20px; color: var(--color-text-tertiary); font-size: 14px; }
  .nap-foot {
    flex-shrink: 0;
    height: 52px;
    background: #fff;
    border-top: 1px solid #e5e6e8;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 36px;
    font-size: 11.5px;
    color: var(--color-text-tertiary);
    letter-spacing: 1.5px;
    font-family: var(--font-family-en);
  }
  .nap-foot strong { color: var(--color-primary); font-family: inherit; }

  @media (max-width: 960px) {
    .nap-bar { padding: 0 18px; height: 60px; gap: 12px; }
    .nap-back span:not(.nap-back-ico) { display: none; }
    .nap-back { padding: 8px 10px; }
    .nap-title .nap-cn { font-size: 15px; letter-spacing: 2px; }
    .nap-count { font-size: 11px; }
    .nap-filter { padding: 14px 18px; flex-direction: column; align-items: stretch; gap: 10px; }
    .nap-search { max-width: 100%; }
    .nap-body { padding: 20px 18px; }
    .nap-grid { grid-template-columns: 1fr; gap: 18px; }
    .nap-foot { padding: 0 18px; height: 46px; }
  }

  /* ============ 合作意向 modal(基于 auth-modal 风格扩展) ============ */
  .lead-box { max-width: 720px; padding: 44px 48px 36px; }
  .lead-form .lead-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .lead-form .lead-row .auth-field { margin-bottom: 14px; }
  .lead-form > .auth-field { margin-bottom: 14px; }
  .lead-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e2e2;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--color-text-primary);
    outline: none;
    resize: vertical;
    transition: all .25s var(--ease-slow);
    line-height: 1.7;
  }
  .lead-form textarea:focus { border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 3px rgba(2,56,134,0.08); }
  .lead-form select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e2e2;
    background: var(--color-bg-gray);
    font-family: inherit;
    font-size: 14px;
    color: var(--color-text-primary);
    outline: none;
    cursor: pointer;
  }
  .lead-form select:focus { border-color: var(--color-primary); background: #fff; }
  .auth-label em { color: #c62828; font-style: normal; }
  .lead-foot {
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; margin-top: 18px; flex-wrap: wrap;
  }
  .lead-consent {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; color: var(--color-text-tertiary);
    cursor: pointer;
    flex: 1;
    min-width: 220px;
  }
  .lead-consent input[type="checkbox"] {
    width: 14px; height: 14px;
    accent-color: var(--color-accent);
    cursor: pointer;
  }
  .lead-submit { width: auto; padding: 12px 28px; min-width: 160px; }
  .lead-success {
    text-align: center;
    padding: 30px 10px 6px;
  }
  .lead-success-ico {
    width: 64px; height: 64px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px;
    box-shadow: 0 16px 40px -10px rgba(22,167,168,0.45);
  }
  .lead-success h4 {
    font-size: 22px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 14px;
    letter-spacing: 3px;
  }
  .lead-success p {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-tertiary);
    margin-bottom: 28px;
  }
  .lead-success strong { color: var(--color-primary); }
  @media (max-width: 720px) {
    .lead-form .lead-row { grid-template-columns: 1fr; }
    .lead-box { padding: 32px 22px 26px; }
  }

/* ============ 全球网络地图（手写交互版） ============ */
.world-chart {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  background: linear-gradient(135deg, #f7faff 0%, #eef3fa 100%);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 8px 32px -16px rgba(2, 56, 134, 0.12);
  user-select: none;
}
#gcSvg {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#gcSvg:active { cursor: grabbing; }

.gc-continents path {
  transition: fill .25s ease;
}
.gc-continents path:hover {
  fill: #cbd9ec;
}

.gc-marker { cursor: pointer; }
.gc-marker-single circle:first-child {
  transition: r .25s ease, fill .25s ease;
}
.gc-marker-single:hover circle:first-child { fill: #d4b985; }
.gc-marker-cluster circle {
  transition: fill-opacity .2s ease, transform .2s ease;
  transform-origin: center;
  transform-box: fill-box;
}
.gc-marker-cluster:hover circle { fill-opacity: 1; }

.gc-tooltip {
  position: absolute;
  background: rgba(3, 18, 41, 0.92);
  color: #fff;
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 12px;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 200px;
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gc-tooltip[hidden] { display: none !important; }
.gc-tooltip strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 1px;
}
.gc-tooltip span {
  font-family: var(--font-family-en);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
}

.gc-controls {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 4;
}
.gc-controls button {
  width: 34px;
  height: 34px;
  background: #fff;
  border: 1px solid #e0e6ee;
  color: var(--color-primary);
  font-size: 18px;
  font-family: var(--font-family-en);
  cursor: pointer;
  border-radius: 3px;
  transition: all .2s ease;
  box-shadow: 0 2px 6px -2px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gc-controls button:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.gc-controls button:active { transform: scale(0.92); }

@media (max-width: 960px) {
  .gc-controls button { width: 30px; height: 30px; font-size: 15px; }
}