:root {
  --green: #0f9d6b;
  --green-dark: #0b7d54;
  --navy: #0f1f2e;
  --navy-2: #16293b;
  --ink: #1f2933;
  --muted: #6b7785;
  --bg: #ffffff;
  --bg-alt: #f4f8f6;
  --line: #e3e9ed;
  --radius: 14px;
  --maxw: 1140px;
  --shadow: 0 10px 30px rgba(15, 31, 46, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
/* 窄栏容器：用于纯文本/联系信息，提升阅读舒适度与留白 */
.container--narrow { max-width: 820px; }

/* 头部导航 */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--navy); }
.brand-logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff; display: grid; place-items: center; font-weight: 800;
}
.brand-img {
  width: 34px; height: 34px; border-radius: 9px; object-fit: contain;
  background: #fff; box-shadow: 0 1px 3px rgba(21, 43, 60, .12);
}
.brand-text small { color: var(--muted); font-weight: 600; margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--navy); font-weight: 500; }
.nav-links a:hover { color: var(--green); text-decoration: none; }
.nav-links a.active { color: var(--green); font-weight: 700; }
/* 子页面首屏留出顶部导航高度 */
.section--first { padding-top: 104px; }
.nav-cta {
  padding: 8px 16px; border-radius: 999px; background: var(--navy);
  color: #fff !important; font-weight: 600;
}
.nav-cta:hover { background: var(--green-dark); }
.nav-cta.alt { background: var(--green); }
.nav-cta.alt:hover { background: var(--green-dark); }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--navy); }

/* 首屏 */
.hero {
  background: radial-gradient(1200px 500px at 80% -10%, rgba(15,157,107,.18), transparent),
              linear-gradient(180deg, #fff, var(--bg-alt));
  padding: 72px 0 84px;
}
.hero-inner { display: grid; grid-template-columns: 1.3fr .9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--green-dark); font-weight: 700; letter-spacing: .5px; margin: 0 0 10px; }
.hero h1 { font-size: clamp(30px, 4.4vw, 52px); line-height: 1.15; margin: 0 0 18px; color: var(--navy); }
.lead { font-size: 17px; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.hero-card {
  background: linear-gradient(160deg, var(--navy), var(--navy-2));
  border-radius: 20px; padding: 30px; color: #fff; box-shadow: var(--shadow);
  display: grid; gap: 18px;
}
.hero-card .stat { display: flex; flex-direction: column; }
.hero-card .num { font-size: 34px; font-weight: 800; color: #5fe3b0; }
.hero-card .label { color: #c7d2db; font-size: 14px; }

/* 居中简版首屏（主页使用） */
.hero--center { padding: 84px 0 72px; text-align: center; }
.hero--center .eyebrow { margin-bottom: 14px; }
.hero--center h1 { margin-bottom: 18px; }
.hero--center .lead { margin: 0 auto; max-width: 640px; font-size: 17px; }
.hero--center .hero-actions { justify-content: center; margin-top: 30px; }

/* 数据指标条：替代沉重的深色卡片，视觉更轻 */
.stat-strip { margin-top: 48px; }
.stat-strip__row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; max-width: 760px; margin: 0 auto;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 22px 16px; box-shadow: var(--shadow);
}
.stat-strip .stat { display: flex; flex-direction: column; gap: 2px; }
.stat-strip .stat + .stat { border-left: 1px solid var(--line); }
.stat-strip .num { font-size: 26px; font-weight: 800; color: var(--green-dark); line-height: 1.2; }
.stat-strip .label { color: var(--muted); font-size: 13px; }

.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; cursor: pointer; border: 0; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--green); color: var(--green-dark); text-decoration: none; }

/* 通用区块 */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.section-title { font-size: 30px; color: var(--navy); margin: 0 0 8px; text-align: center; }
.section-sub { text-align: center; color: var(--muted); margin: 0 0 40px; }

/* 关于 */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: start; }
.about-text p { margin: 0 0 16px; }
.about-values { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.about-values li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.about-values strong { display: block; color: var(--green-dark); margin-bottom: 4px; }
.milestones { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.milestones > div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-align: center; }
.m-year { display: block; font-size: 22px; font-weight: 800; color: var(--green); }
.m-text { color: var(--muted); font-size: 14px; }

/* 主页关于：左正文（平铺、首行缩进两字）+ 右使命/愿景/价值观 */
.about-split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.about-brief { color: var(--ink); }
/* 正常平铺：不居中，每段首行缩进两个汉字（1em = 一个汉字宽度） */
.about-brief p {
  margin: 0 0 14px; font-size: 15px; line-height: 1.9;
  text-align: left; text-indent: 2em;
}
.about-brief p:last-child { margin-bottom: 0; }
.value-stack ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.value-stack li {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; font-size: 14px; color: var(--muted);
}
.value-stack li strong {
  display: block; color: var(--green-dark); font-weight: 700; margin-bottom: 2px; font-size: 13px;
}

/* 产品卡片 */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card-icon { font-size: 30px; margin-bottom: 10px; }
.card h3 { margin: 0 0 10px; color: var(--navy); }
.card p { color: var(--muted); margin: 0 0 12px; }
.card ul { margin: 0 0 14px; padding-left: 18px; color: var(--muted); font-size: 14px; }
.card-link { margin-top: auto; font-weight: 600; }

/* 解决方案 */
.solutions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.solution { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.solution h3 { margin: 0 0 8px; color: var(--navy); }
.solution p { margin: 0; color: var(--muted); }

/* 技术优势 */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.adv { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 16px; }
.adv-num { display: block; font-size: 30px; font-weight: 800; color: var(--green); }
.adv span:last-child { color: var(--muted); font-size: 14px; }

/* 新闻：两列平铺 */
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.news-item { display: grid; grid-template-columns: 90px 1fr; gap: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.news-date { font-weight: 700; color: var(--green-dark); }
.news-item h3 { margin: 0 0 6px; color: var(--navy); }
.news-item p { margin: 0; color: var(--muted); }

/* 联系 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.contact-info li { border-bottom: 1px dashed var(--line); padding-bottom: 10px; }
.contact-info strong { display: inline-block; width: 84px; color: var(--navy); }

/* 联系方式：多列卡片（一排三列），无留言表单 */
.contact-cards {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.contact-cards li {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; font-size: 15px; box-shadow: var(--shadow);
}
.contact-cards li strong {
  display: block; color: var(--green-dark); font-weight: 700;
  font-size: 13px; margin-bottom: 6px;
}
.contact-cards li a { word-break: break-all; }
.contact-form { display: grid; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; color: var(--navy); }
.contact-form input, .contact-form textarea { padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid rgba(15,157,107,.3); border-color: var(--green); }
.form-tip { margin: 0; color: var(--green-dark); font-weight: 600; }

/* 页脚 */
.site-footer { background: var(--navy); color: #c7d2db; padding: 48px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; }
.site-footer .brand { color: #fff; }
.site-footer .brand-text { color: #fff; }
.footer-desc { color: #93a3b0; margin-top: 12px; max-width: 280px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: #c7d2db; }
.site-footer a:hover { color: #5fe3b0; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-top: 1px solid rgba(255,255,255,.1); margin-top: 32px; padding: 18px 20px; color: #93a3b0; font-size: 13px; }
.footer-trademark { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 20px 20px; color: #7d8b98; font-size: 12px; text-align: center; }

/* 响应式 */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .cards, .adv-grid, .milestones { grid-template-columns: repeat(2, 1fr); }
  .solutions { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero--center { padding-top: 64px; }
  .about-split { grid-template-columns: 1fr; gap: 28px; }
  .news-list { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: block; }
  .cards, .adv-grid, .milestones, .footer-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .stat-strip__row { grid-template-columns: 1fr; gap: 10px; }
  .stat-strip .stat + .stat { border-left: 0; border-top: 1px solid var(--line); padding-top: 10px; }
  .contact-cards { grid-template-columns: 1fr; }
}

/* ===== CMS 动态内容（MyERP 内容管理） ===== */
.cms-badge {
  display: inline-block; vertical-align: middle; margin-left: 6px;
  padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  color: #fff; background: linear-gradient(135deg, var(--brand, #1f9d76), #5fe3b0);
}
.cms-news-item { transition: box-shadow .2s ease, transform .2s ease; cursor: pointer; }
.cms-news-item:hover { box-shadow: 0 10px 26px rgba(21, 43, 60, .1); transform: translateY(-2px); }

.cms-card__img {
  width: 100%; height: 160px; object-fit: cover;
  border-radius: 10px; margin-bottom: 14px; background: #eef2f5;
}
.cms-card__icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; background: rgba(31, 157, 118, .1);
}
.cms-card ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.cms-card ul li {
  position: relative; padding-left: 16px; color: #5c6b78; font-size: 14px;
}
.cms-card ul li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand, #1f9d76);
}
.cms-card .card-link { display: inline-block; margin-top: 12px; color: var(--brand, #1f9d76); font-weight: 600; }

/* 新闻详情弹层 */
.cms-modal { position: fixed; inset: 0; z-index: 1200; display: none; }
.cms-modal.open { display: block; }
.cms-modal__mask { position: absolute; inset: 0; background: rgba(15, 28, 38, .55); }
.cms-modal__panel {
  position: relative; z-index: 1; width: min(760px, 92vw); max-height: 82vh; overflow: auto;
  margin: 8vh auto 0; background: #fff; border-radius: 14px; padding: 28px 30px;
  box-shadow: 0 24px 60px rgba(15, 28, 38, .28);
}
.cms-modal__close {
  position: absolute; top: 12px; right: 14px; width: 32px; height: 32px;
  border: 0; background: transparent; font-size: 26px; line-height: 1; color: #86909c; cursor: pointer;
}
.cms-modal__close:hover { color: #1f2329; }
.cms-detail__meta { color: #86909c; font-size: 13px; }
.cms-detail__title { margin: 8px 0 16px; font-size: 24px; line-height: 1.4; }
.cms-detail__cover { width: 100%; max-height: 320px; object-fit: cover; border-radius: 10px; margin-bottom: 18px; }
.cms-detail__content { color: #4e5969; font-size: 15px; line-height: 1.9; }