/* =========================================================
   GreenBin 绿洁塑业 - 外贸官网全局样式
   纯 CSS，零依赖；响应式适配 PC / 平板 / 手机
   主色：环保绿 #1B9C5C；辅色：深墨 #123528 / 浅灰底 #F5F7F6
   ========================================================= */

/* ---------- 1. 变量与基础重置 ---------- */
:root {
  --green: #1B9C5C;          /* 品牌主绿 */
  --green-dark: #0E7A44;     /* 深绿（hover） */
  --green-light: #E6F5EC;    /* 浅绿底 */
  --dark: #123528;           /* 深墨绿，标题/页脚 */
  --text: #333A36;           /* 正文 */
  --muted: #6B7570;          /* 次要文字 */
  --line: #E3E8E5;           /* 分割线 */
  --bg: #F5F7F6;             /* 页面浅底 */
  --white: #FFFFFF;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(18, 53, 40, .08);
  --maxw: 1200px;
  /* 字体栈：中文系统字体 + 英文 Inter/Roboto 系统栈，不引外部 CDN */
  --font: Inter, Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 通用区块 */
.section { padding: 72px 0; }
.section.alt { background: var(--bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head .kicker {
  display: inline-block; color: var(--green); font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; font-size: 13px; margin-bottom: 8px;
}
.section-head h2 { font-size: 32px; color: var(--dark); line-height: 1.3; }
.section-head p { color: var(--muted); margin-top: 10px; }

/* 按钮 */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 6px;
  font-weight: 600; font-size: 15px; border: 2px solid transparent;
  transition: all .25s ease; text-align: center;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(27,156,92,.3); }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: var(--green); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.15); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ---------- 2. 顶部导航 ---------- */
.topbar {
  background: var(--dark); color: rgba(255,255,255,.85);
  font-size: 13px; padding: 6px 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 12px; }
.topbar a:hover { color: #fff; }
.topbar .top-links { display: flex; gap: 18px; }

.site-header {
  position: sticky; top: 0; z-index: 900;
  background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
/* Logo 占位：纯 CSS 图形，用户可替换为真实 logo 图片 */
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; color: var(--dark); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 8px; flex: none;
  background: linear-gradient(135deg, var(--green) 0%, #35C97E 100%);
  display: flex; align-items: center; justify-content: center;
}
.logo-mark svg { width: 22px; height: 22px; }
.logo small { font-size: 11px; color: var(--muted); font-weight: 500; display: block; line-height: 1.1; }

.main-nav { display: flex; gap: 6px; }
.main-nav a {
  padding: 8px 14px; border-radius: 6px; font-weight: 600; font-size: 15px; color: var(--text);
  transition: color .2s;
}
.main-nav a:hover { color: var(--green); }
.main-nav a.active { color: var(--green); position: relative; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--green); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 12px; }

/* 语言切换按钮 */
.lang-switch {
  display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; font-size: 13px;
}
.lang-switch button {
  border: none; background: #fff; padding: 6px 12px; font-weight: 600; color: var(--muted);
}
.lang-switch button.active { background: var(--green); color: #fff; }

/* 汉堡菜单（移动端） */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: 6px;
  width: 42px; height: 38px; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--dark); border-radius: 2px; transition: .25s;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 3. 首页 Banner 轮播 ---------- */
.hero { position: relative; height: 520px; overflow: hidden; background: var(--dark); }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .7s ease; display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; visibility: visible; }
/* Banner 占位背景：渐变 + 网格纹理，用户可替换为工厂实拍图（见 assets/说明） */
.hero-slide .slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-slide:nth-child(1) .slide-bg { background: linear-gradient(115deg, #123528 0%, #14603C 55%, #1B9C5C 100%); }
.hero-slide:nth-child(2) .slide-bg { background: linear-gradient(115deg, #0F2B20 0%, #1B9C5C 70%, #7FD8A8 100%); }
.hero-slide:nth-child(3) .slide-bg { background: linear-gradient(115deg, #10322B 0%, #166B4E 60%, #2FBF7A 100%); }
.hero-slide:nth-child(4) .slide-bg { background: linear-gradient(115deg, #0E2C3A 0%, #1F6FB2 100%); }
/* 覆盖暗层保证文字可读 */
.hero-slide .slide-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,30,22,.72) 0%, rgba(10,30,22,.35) 55%, rgba(10,30,22,.15) 100%);
}
.hero-slide .container { position: relative; z-index: 2; color: #fff; max-width: var(--maxw); }
.hero-tag {
  display: inline-block; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.35);
  padding: 5px 14px; border-radius: 999px; font-size: 13px; letter-spacing: 1px; margin-bottom: 18px;
}
.hero-slide h1 { font-size: 46px; line-height: 1.2; max-width: 640px; margin-bottom: 14px; }
.hero-slide p { font-size: 18px; color: rgba(255,255,255,.85); max-width: 560px; margin-bottom: 28px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
/* 占位图形：Banner 右侧的桶剪影（纯 SVG，可替换为产品图） */
.hero-art {
  position: absolute; right: 4%; bottom: 0; top: 0; width: 380px;
  display: flex; align-items: flex-end; justify-content: center; z-index: 1; opacity: .9;
}
.hero-art svg { height: 78%; }

/* 轮播圆点与箭头 */
.hero-dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.hero-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.4); transition: .25s;
}
.hero-dots button.active { background: #fff; width: 26px; border-radius: 6px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: rgba(255,255,255,.15); color: #fff; font-size: 20px;
  transition: .25s;
}
.hero-arrow:hover { background: var(--green); }
.hero-arrow.prev { left: 16px; }
.hero-arrow.next { right: 16px; }

/* ---------- 4. 核心数字统计条 ---------- */
.stats-band { background: var(--dark); color: #fff; padding: 44px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item .num { font-size: 44px; font-weight: 800; color: #35C97E; line-height: 1.1; }
.stat-item .num small { font-size: 22px; font-weight: 700; }
.stat-item .label { margin-top: 6px; color: rgba(255,255,255,.75); font-size: 14px; letter-spacing: .5px; }

/* ---------- 5. 产品分类卡片（8 类） ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s ease; display: block;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green); }
.cat-thumb { height: 150px; display: flex; align-items: center; justify-content: center; }
.cat-thumb svg { width: 74px; height: 74px; }
/* 8 类分类的占位渐变色（可替换为产品图） */
.cat-card[data-cat="outdoor"]   .cat-thumb { background: linear-gradient(135deg, #E6F5EC, #BFE7D2); }
.cat-card[data-cat="indoor"]    .cat-thumb { background: linear-gradient(135deg, #EAF3F8, #C9E2F0); }
.cat-card[data-cat="recycling"] .cat-thumb { background: linear-gradient(135deg, #EFF7E6, #D3EDB8); }
.cat-card[data-cat="industrial"] .cat-thumb { background: linear-gradient(135deg, #F3F0E8, #E4DCC8); }
.cat-card[data-cat="cleaning"]  .cat-thumb { background: linear-gradient(135deg, #E8F4F6, #BFE5EB); }
.cat-card[data-cat="garden"]    .cat-thumb { background: linear-gradient(135deg, #F0F6E8, #D2E8B4); }
.cat-card[data-cat="pet"]       .cat-thumb { background: linear-gradient(135deg, #F6F0E8, #EBD5BC); }
.cat-card[data-cat="pallets"]   .cat-thumb { background: linear-gradient(135deg, #EEF0F4, #CBD3E0); }
.cat-info { padding: 16px 18px 20px; }
.cat-info h3 { font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.cat-info span { color: var(--muted); font-size: 13px; }
.cat-info .more { display: inline-block; margin-top: 10px; color: var(--green); font-weight: 600; font-size: 13px; }

/* ---------- 6. 公司简介（左图右文） ---------- */
.about-split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.about-visual {
  border-radius: var(--radius); overflow: hidden; min-height: 340px;
  background: linear-gradient(135deg, #14603C, #35C97E);
  display: flex; align-items: center; justify-content: center; position: relative;
}
.about-visual svg { width: 60%; opacity: .9; }
.about-visual .badge {
  position: absolute; right: 18px; bottom: 18px; background: #fff; color: var(--dark);
  border-radius: 8px; padding: 10px 16px; font-size: 13px; font-weight: 700; box-shadow: var(--shadow);
}
.about-split h2 { font-size: 30px; color: var(--dark); margin-bottom: 14px; }
.about-split p { color: var(--muted); margin-bottom: 14px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin: 18px 0 26px; }
.about-points li { position: relative; padding-left: 24px; font-size: 14px; }
.about-points li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; color: var(--green); font-weight: 800;
}

/* ---------- 7. 企业历程时间线（横向） ---------- */
.timeline-wrap { position: relative; overflow-x: auto; padding: 20px 0 30px; }
.timeline {
  display: flex; gap: 0; position: relative; min-width: 900px; margin: 0 auto;
}
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 34px; height: 3px;
  background: linear-gradient(90deg, var(--green), #BFE7D2); border-radius: 3px;
}
.tl-item { flex: 1; position: relative; padding: 0 14px; text-align: center; }
.tl-item .dot {
  width: 18px; height: 18px; border-radius: 50%; background: #fff;
  border: 4px solid var(--green); margin: 26px auto 14px; position: relative; z-index: 2;
}
.tl-item .year { font-weight: 800; color: var(--green); font-size: 18px; }
.tl-item p { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- 8. 生产设备卡片 ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.equip-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; text-align: center; transition: all .3s;
}
.equip-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.equip-card .icon {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--green-light); display: flex; align-items: center; justify-content: center;
}
.equip-card .icon svg { width: 32px; height: 32px; }
.equip-card h3 { font-size: 17px; color: var(--dark); margin-bottom: 8px; }
.equip-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- 9. 荣誉资质 + 合作伙伴 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 44px; }
.honor-card {
  background: #fff; border: 1px dashed #C9D4CE; border-radius: var(--radius);
  padding: 28px; text-align: center; color: var(--muted);
}
.honor-card .cert-ph {
  height: 150px; border-radius: 8px; margin-bottom: 16px;
  background: repeating-linear-gradient(45deg, #F2F6F4 0 12px, #E9F0EC 12px 24px);
  display: flex; align-items: center; justify-content: center; color: #9AA8A1; font-size: 13px;
}
.honor-card h3 { color: var(--dark); font-size: 16px; }
/* 合作伙伴 Logo 墙：占位灰块 */
.partner-wall {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
}
.partner-logo {
  height: 64px; border: 1px solid var(--line); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #A9B4AE; font-weight: 700; font-size: 13px; letter-spacing: 1px;
  background: #FAFBFA; transition: .25s;
}
.partner-logo:hover { color: var(--green); border-color: var(--green); }

/* ---------- 10. 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.news-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.news-cover { height: 150px; position: relative; }
.news-cover .date-chip {
  position: absolute; left: 14px; bottom: -16px; background: var(--green); color: #fff;
  border-radius: 8px; padding: 8px 12px; text-align: center; font-size: 12px; line-height: 1.3;
  box-shadow: var(--shadow);
}
.news-cover .date-chip b { display: block; font-size: 20px; }
.news-body { padding: 28px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 16px; color: var(--dark); margin-bottom: 8px; line-height: 1.4; }
.news-body p { font-size: 13.5px; color: var(--muted); flex: 1; }
.news-body .more { margin-top: 14px; color: var(--green); font-weight: 600; font-size: 13px; }
/* 新闻封面占位渐变（4 种，可替换为真实图片） */
.news-cover.c1 { background: linear-gradient(135deg, #14603C, #35C97E); }
.news-cover.c2 { background: linear-gradient(135deg, #1F6FB2, #6FC3E8); }
.news-cover.c3 { background: linear-gradient(135deg, #B07C1F, #E8C46F); }
.news-cover.c4 { background: linear-gradient(135deg, #5C4A9E, #A88FE8); }

/* ---------- 11. 通栏询盘条（Footer 上方） ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--dark) 0%, #14603C 60%, var(--green) 100%);
  color: #fff; padding: 48px 0;
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { font-size: 28px; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,.8); }

/* ---------- 12. 页脚（四栏） ---------- */
.site-footer { background: #0D2A1E; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding: 56px 0 40px;
}
.footer-grid h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-grid ul li { margin-bottom: 9px; }
.footer-grid a:hover { color: #35C97E; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: #35C97E; }
.social-row { display: flex; gap: 10px; margin-top: 16px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; transition: .25s;
}
.social-row a:hover { background: var(--green); }
.social-row svg { width: 17px; height: 17px; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0;
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 13px;
}

/* ---------- 13. 悬浮客服组件 ---------- */
.float-widget { position: fixed; right: 20px; bottom: 24px; z-index: 950; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.float-menu {
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: .3s;
}
.float-widget.open .float-menu { opacity: 1; visibility: visible; transform: none; }
.float-item {
  width: 48px; height: 48px; border-radius: 50%; border: none;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 6px 16px rgba(0,0,0,.18); transition: transform .2s;
}
.float-item:hover { transform: scale(1.1); }
.float-item svg { width: 22px; height: 22px; }
.float-item.wa { background: #25D366; }
.float-item.li { background: #0A66C2; }
.float-item.mail { background: #F59E0B; }
.float-item.top { background: var(--dark); }
.float-main {
  width: 58px; height: 58px; border-radius: 50%; border: none; background: var(--green);
  color: #fff; box-shadow: 0 8px 20px rgba(27,156,92,.45);
  display: flex; align-items: center; justify-content: center;
}
.float-main svg { width: 26px; height: 26px; transition: .3s; }
.float-widget.open .float-main svg { transform: rotate(90deg); }
/* 移动端吸附底部整条 */
@media (max-width: 768px) {
  .float-widget {
    right: 0; left: 0; bottom: 0; flex-direction: row; justify-content: center;
    background: #fff; border-top: 1px solid var(--line); border-radius: 0; gap: 0; padding: 0;
  }
  .float-menu { flex-direction: row; opacity: 1; visibility: visible; transform: none; }
  .float-item { width: 44px; height: 44px; border-radius: 0; box-shadow: none; background: transparent !important; }
  .float-item svg { width: 24px; height: 24px; }
  .float-item.wa svg { color: #25D366; }
  .float-item.li svg { color: #0A66C2; }
  .float-item.mail svg { color: #F59E0B; }
  .float-item.top { display: none; }
  .float-main { width: 44px; height: 44px; border-radius: 0; background: transparent; box-shadow: none; }
  .float-main svg { color: var(--green); }
  body { padding-bottom: 56px; } /* 给悬浮条留出空间 */
}

/* ---------- 14. 询盘弹层 / 表单 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(13,42,30,.6); z-index: 1000;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 14px; max-width: 520px; width: 100%;
  padding: 32px; position: relative; max-height: 90vh; overflow-y: auto;
}
.modal h3 { color: var(--dark); font-size: 22px; margin-bottom: 6px; }
.modal .modal-sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.modal-close {
  position: absolute; right: 16px; top: 16px; width: 34px; height: 34px;
  border: none; border-radius: 50%; background: var(--bg); font-size: 18px; color: var(--muted);
}

/* 表单通用样式 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 13px; font-weight: 600; color: var(--dark); margin-bottom: 5px; }
.form-field label .opt { color: var(--muted); font-weight: 400; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #CFD8D3; border-radius: 6px;
  font-family: inherit; font-size: 14px; background: #fff; color: var(--text);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(27,156,92,.15);
}
.form-field textarea { min-height: 100px; resize: vertical; }
.form-submit { width: 100%; margin-top: 18px; }
.form-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }
/* 成功提示 */
.form-success {
  display: none; text-align: center; padding: 30px 10px;
}
.form-success.show { display: block; }
.form-success .ok-icon {
  width: 64px; height: 64px; border-radius: 50%; background: var(--green-light);
  color: var(--green); font-size: 30px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}

/* ---------- 15. 产品中心页 ---------- */
.page-hero {
  background: linear-gradient(115deg, var(--dark) 0%, #14603C 70%, var(--green) 100%);
  color: #fff; padding: 64px 0; text-align: center;
}
.page-hero h1 { font-size: 36px; margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,.8); }
.breadcrumb { font-size: 13px; color: var(--muted); padding: 14px 0; }
.breadcrumb a:hover { color: var(--green); }

/* 分类筛选 Tab */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px;
}
.filter-bar button {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: 14px; font-weight: 600; color: var(--text); transition: .25s;
}
.filter-bar button:hover { border-color: var(--green); color: var(--green); }
.filter-bar button.active { background: var(--green); border-color: var(--green); color: #fff; }

/* 产品卡片 */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--green); }
.product-thumb {
  height: 180px; display: flex; align-items: center; justify-content: center; position: relative;
}
.product-thumb svg { width: 84px; height: 84px; }
.product-thumb .model-tag {
  position: absolute; left: 12px; top: 12px; background: rgba(18,53,40,.75); color: #fff;
  font-size: 11px; padding: 3px 9px; border-radius: 4px; letter-spacing: .5px;
}
.product-info { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.product-info h3 { font-size: 15.5px; color: var(--dark); margin-bottom: 4px; }
.product-info .desc { font-size: 13px; color: var(--muted); flex: 1; margin-bottom: 14px; }
/* 分类区块标题（锚点用） */
.cat-section { padding-top: 40px; }
.cat-section h2 { font-size: 24px; color: var(--dark); margin-bottom: 4px; }
.cat-section .cat-sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }

/* =========================================================
   AI 生图占位接入（assets/images/，可整批替换为实拍图）
   - Banner/新闻封面：inline background 已写在 HTML 中
   - 分类卡片 / 产品卡片 / 证书 / 公司简介配图：以下 img 适配
   ========================================================= */
.cat-thumb img,
.product-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cert-ph img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 8px; }
.about-visual img.about-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-visual .badge { z-index: 2; }

/* ---------- 16. 联系页 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: var(--dark); color: #fff; border-radius: var(--radius); padding: 32px;
}
.contact-info-card h3 { font-size: 20px; margin-bottom: 20px; }
.contact-line { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-line .ci {
  width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.contact-line .ci svg { width: 20px; height: 20px; color: #35C97E; }
.contact-line b { display: block; font-size: 14px; }
.contact-line span { font-size: 14px; color: rgba(255,255,255,.75); }
.contact-form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.contact-form-card h3 { color: var(--dark); font-size: 20px; margin-bottom: 20px; }

/* 关于我们页 */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.value-card .icon {
  width: 52px; height: 52px; border-radius: 12px; background: var(--green-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.value-card .icon svg { width: 26px; height: 26px; color: var(--green); }
.value-card h3 { font-size: 16px; color: var(--dark); margin-bottom: 6px; }
.value-card p { font-size: 13.5px; color: var(--muted); }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.mv-card { background: var(--green-light); border-radius: var(--radius); padding: 30px; }
.mv-card h3 { color: var(--dark); margin-bottom: 8px; }

/* ---------- 17. 动效辅助 ---------- */
/* 入场淡入（JS 加 .reveal-in 触发） */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.reveal-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 18. 响应式 ---------- */
@media (max-width: 1024px) {
  .cat-grid, .equip-grid, .product-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-wall { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-slide h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .topbar .top-links { display: none; }
  /* 移动端导航：汉堡展开 */
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 12px 20px 20px;
    box-shadow: 0 14px 24px rgba(0,0,0,.08); gap: 4px;
  }
  .nav-open .main-nav { display: flex; }
  .main-nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .header-actions .btn { display: none; } /* 移动端隐藏顶部询盘按钮，改由悬浮条承担 */
  .hero { height: 440px; }
  .hero-art { display: none; }
  .hero-slide h1 { font-size: 28px; }
  .hero-slide p { font-size: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
  .stat-item .num { font-size: 34px; }
  .cat-grid, .equip-grid, .product-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .about-split, .contact-wrap, .mv-grid { grid-template-columns: 1fr; }
  .news-grid, .news-grid.cols-3 { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(3, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .section-head h2 { font-size: 26px; }
  .about-points { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .cat-grid, .equip-grid, .product-grid, .value-grid { grid-template-columns: 1fr; }
  .hero { height: 400px; }
}

/* =========================================================
   视觉设计升级层 v2 —— 在原样式之上叠加，不改动上方规则
   内容：配色层次 / 玻璃拟态导航 / Ken Burns / 光泽按钮 /
        卡片悬停微动效 / 入场交错 / 脉冲客服按钮 / 细节质感
   全部纯 CSS，仅动画 transform/opacity，不引入外部资源
   ========================================================= */

/* ---------- V2.1 扩展设计变量 ---------- */
:root {
  --green-deep: #0A5A33;                  /* 更深主绿，用于渐变端点 */
  --accent: #F5B841;                      /* 点缀金（荣誉/高亮） */
  --teal: #14B8A6;                        /* 点缀青（次强调） */
  --grad-brand: linear-gradient(120deg, #0E7A44 0%, #1B9C5C 45%, #35C97E 100%);
  --grad-dark: linear-gradient(135deg, #0D2A1E 0%, #123528 55%, #14532D 100%);
  --shadow-sm: 0 2px 8px rgba(18, 53, 40, .07);
  --shadow-md: 0 8px 28px rgba(18, 53, 40, .10);
  --shadow-lg: 0 18px 48px rgba(18, 53, 40, .16);
  --shadow-green: 0 12px 32px rgba(27, 156, 92, .28);
  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* 选中文本与滚动条质感 */
::selection { background: rgba(27, 156, 92, .22); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #EEF2F0; }
::-webkit-scrollbar-thumb { background: #B9C6BF; border-radius: 8px; border: 2px solid #EEF2F0; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ---------- V2.2 排版节奏：标题层级 + 区块头装饰 ---------- */
body { font-size: 15.5px; letter-spacing: .1px; }
.section { padding: 84px 0; }
.section-head { margin-bottom: 52px; }
.section-head .kicker {
  position: relative; padding: 6px 16px 6px 34px; border-radius: 999px;
  background: var(--green-light); color: var(--green-dark); font-size: 12px; margin-bottom: 14px;
}
.section-head .kicker::before {
  content: ""; position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad-brand); box-shadow: 0 0 0 3px rgba(27,156,92,.18);
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -.3px; }
.section-head h2::after {
  content: ""; display: block; width: 56px; height: 4px; margin: 16px auto 0;
  border-radius: 4px; background: var(--grad-brand);
}
.section-head p { margin-top: 14px; font-size: 15px; line-height: 1.75; }
.section-head p::after { content: none; }

/* ---------- V2.3 导航：玻璃拟态 + 链接下划线动效 ---------- */
.site-header {
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(18, 53, 40, .06);
}
.main-nav a { position: relative; transition: color .2s, background .2s; }
.main-nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
  border-radius: 2px; background: var(--grad-brand);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease-out);
}
.main-nav a:hover { color: var(--green-dark); background: var(--green-light); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.logo-mark { transition: transform .4s var(--ease-spring), box-shadow .3s; box-shadow: 0 4px 12px rgba(27,156,92,.3); }
.logo:hover .logo-mark { transform: rotate(-6deg) scale(1.06); }
.lang-switch { box-shadow: var(--shadow-sm); }
.lang-switch button { transition: .25s; }
.lang-switch button:not(.active):hover { color: var(--green); background: var(--green-light); }

/* ---------- V2.4 按钮升级：渐变 + 光泽扫过 ---------- */
.btn { border-radius: 8px; overflow: hidden; position: relative; }
.btn::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%; width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .5s var(--ease-out); pointer-events: none;
}
.btn:hover::before { left: 130%; }
.btn-primary { background: var(--grad-brand); box-shadow: 0 6px 16px rgba(27,156,92,.25); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-green); }
.btn-primary:active { transform: translateY(-1px) scale(.98); }
.btn-ghost { -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.btn-ghost:hover { transform: translateY(-3px); border-color: #fff; background: rgba(255,255,255,.18); }
.btn-outline { position: relative; }
.btn-outline:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(27,156,92,.2); }

/* ---------- V2.5 Banner：Ken Burns 缓推 + 文案入场动效 ---------- */
.hero { height: 560px; }
.hero-slide .slide-bg { will-change: transform; }
.hero-slide.active .slide-bg { animation: kb-zoom 7s var(--ease-out) forwards; }
@keyframes kb-zoom {
  from { transform: scale(1.12); }
  to { transform: scale(1); }
}
.hero-slide.active .container > * { animation: hero-up .8s var(--ease-out) backwards; }
.hero-slide.active .container > .hero-tag { animation-delay: .1s; }
.hero-slide.active .container > h1 { animation-delay: .22s; }
.hero-slide.active .container > p { animation-delay: .34s; }
.hero-slide.active .container > .hero-ctas { animation-delay: .46s; }
@keyframes hero-up {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}
.hero-tag {
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  padding: 6px 16px; letter-spacing: 1.5px;
}
.hero-slide h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; letter-spacing: -.5px; text-shadow: 0 2px 24px rgba(0,0,0,.25); }
.hero-slide p { font-size: 17px; line-height: 1.8; }
/* 轮播箭头与圆点质感 */
.hero-arrow {
  width: 48px; height: 48px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); font-size: 22px; opacity: 0;
}
.hero:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover { background: var(--grad-brand); border-color: transparent; transform: translateY(-50%) scale(1.08); }
.hero-arrow.prev:hover { transform: translateY(-50%) scale(1.08); }
.hero-dots button { width: 9px; height: 9px; box-shadow: 0 1px 4px rgba(0,0,0,.3); }
.hero-dots button.active { width: 30px; background: var(--grad-brand); }

/* ---------- V2.6 数字统计条：渐变底纹 + 分隔发光 ---------- */
.stats-band {
  background: var(--grad-dark); position: relative; overflow: hidden; padding: 52px 0;
}
.stats-band::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background:
    radial-gradient(circle at 12% 20%, rgba(53,201,126,.16) 0%, transparent 32%),
    radial-gradient(circle at 88% 80%, rgba(20,184,166,.12) 0%, transparent 36%),
    radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: auto, auto, 26px 26px;
}
.stats-grid { position: relative; }
.stat-item { position: relative; padding: 6px 10px; border-radius: 12px; transition: transform .3s var(--ease-out); }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: -12px; top: 18%; bottom: 18%; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.22), transparent);
}
.stat-item:hover { transform: translateY(-4px); }
.stat-item .num {
  background: linear-gradient(120deg, #7FE7B4 0%, #35C97E 55%, #14B8A6 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  font-size: 48px; letter-spacing: -1px;
  filter: drop-shadow(0 4px 14px rgba(53,201,126,.35));
}
.stat-item .label { letter-spacing: 1px; }

/* ---------- V2.7 分类卡片：图片缩放 + 顶部渐变条 + 箭头滑动 ---------- */
.cat-card { border-radius: 14px; box-shadow: var(--shadow-sm); border: 1px solid transparent; }
.cat-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; z-index: 2;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.cat-card { position: relative; }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(27,156,92,.35); }
.cat-card:hover::after { transform: scaleX(1); }
.cat-thumb { height: 168px; overflow: hidden; }
.cat-thumb img { transition: transform .6s var(--ease-out); }
.cat-card:hover .cat-thumb img { transform: scale(1.08); }
.cat-info { padding: 18px 20px 22px; }
.cat-info h3 { font-size: 16.5px; transition: color .25s; }
.cat-card:hover .cat-info h3 { color: var(--green-dark); }
.cat-info .more { position: relative; transition: transform .3s var(--ease-out); }
.cat-card:hover .cat-info .more { transform: translateX(6px); }

/* ---------- V2.8 公司简介：装饰边框 + 玻璃徽章 ---------- */
.about-visual { border-radius: 16px; box-shadow: var(--shadow-lg); }
.about-visual::before {
  content: ""; position: absolute; inset: 14px -14px -14px 14px; z-index: -1;
  border: 2px solid rgba(27,156,92,.25); border-radius: 16px;
}
.about-visual img.about-img { transition: transform .8s var(--ease-out); }
.about-visual:hover img.about-img { transform: scale(1.04); }
.about-visual .badge {
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.6);
  padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow-md);
}
.about-split h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; }
.about-points li {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 14px 11px 38px; transition: border-color .25s, box-shadow .25s, transform .25s;
}
.about-points li::before {
  content: "✓"; left: 13px; top: 11px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--green-light); color: var(--green); font-size: 11px;
  display: flex; align-items: center; justify-content: center;
}
.about-points li:hover { border-color: rgba(27,156,92,.4); box-shadow: var(--shadow-sm); transform: translateY(-2px); }

/* ---------- V2.9 时间线：节点呼吸光晕 ---------- */
.tl-item .dot { transition: transform .3s var(--ease-spring), box-shadow .3s; }
.tl-item:hover .dot { transform: scale(1.35); box-shadow: 0 0 0 8px rgba(27,156,92,.15); }
.tl-item .year { transition: transform .3s var(--ease-out); display: inline-block; }
.tl-item:hover .year { transform: scale(1.12); }

/* ---------- V2.10 设备卡：渐变图标底 + 悬停弹跳 ---------- */
.equip-card { border-radius: 14px; box-shadow: var(--shadow-sm); border: 1px solid transparent; }
.equip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(27,156,92,.3); }
.equip-card .icon {
  background: var(--grad-brand); color: #fff; box-shadow: 0 8px 18px rgba(27,156,92,.3);
  transition: transform .35s var(--ease-spring);
}
.equip-card .icon svg { color: #fff; }
.equip-card:hover .icon { transform: translateY(-4px) scale(1.08) rotate(-4deg); }

/* ---------- V2.11 荣誉证书卡：实线卡体 + 悬停抬升 ---------- */
.honor-card {
  border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s, border-color .3s;
}
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(245,184,65,.55); }
.honor-card .cert-ph { overflow: hidden; background: none; }
.honor-card .cert-ph img { transition: transform .6s var(--ease-out); }
.honor-card:hover .cert-ph img { transform: scale(1.06); }
.honor-card h3 { transition: color .25s; }
.honor-card:hover h3 { color: var(--green-dark); }

/* ---------- V2.12 合作伙伴 Logo 墙 ---------- */
.partner-logo { border-radius: 10px; transition: all .25s var(--ease-out); }
.partner-logo:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-sm);
  background: #fff; color: var(--green); border-color: rgba(27,156,92,.4);
}

/* ---------- V2.13 新闻卡：封面缩放 + 日期徽章弹跳 ---------- */
.news-card { border-radius: 14px; box-shadow: var(--shadow-sm); }
.news-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.news-cover { overflow: visible; transition: transform .55s var(--ease-out); }
.news-card:hover .news-cover { transform: scale(1.045); }
.news-cover .date-chip { transition: transform .3s var(--ease-spring); }
.news-card:hover .date-chip { transform: translateY(-3px) scale(1.05); }
.news-body h3 { transition: color .25s; }
.news-card:hover .news-body h3 { color: var(--green-dark); }
.news-body .more { display: inline-block; transition: transform .3s var(--ease-out); }
.news-card:hover .news-body .more { transform: translateX(5px); }

/* ---------- V2.14 产品卡：缩略图缩放 + 型号标签强调 ---------- */
.product-card { border-radius: 14px; box-shadow: var(--shadow-sm); }
.product-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.product-thumb { overflow: hidden; }
.product-thumb img { transition: transform .55s var(--ease-out); }
.product-card:hover .product-thumb img { transform: scale(1.07); }
.product-thumb .model-tag {
  background: rgba(14,90,51,.82); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  border-radius: 6px; font-weight: 600; letter-spacing: 1px; transition: background .25s;
}
.product-card:hover .model-tag { background: var(--green); }
.product-info .desc { line-height: 1.65; }

/* ---------- V2.15 分类筛选 Tab：弹性选中 ---------- */
.filter-bar button { box-shadow: var(--shadow-sm); }
.filter-bar button:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.filter-bar button.active {
  background: var(--grad-brand); border-color: transparent;
  box-shadow: 0 8px 20px rgba(27,156,92,.3); transform: translateY(-2px);
}

/* ---------- V2.16 通栏询盘条：装饰圆环 + 呼吸按钮 ---------- */
.cta-band { position: relative; overflow: hidden; padding: 56px 0; }
.cta-band::before, .cta-band::after {
  content: ""; position: absolute; border-radius: 50%; border: 2px solid rgba(255,255,255,.12);
}
.cta-band::before { width: 260px; height: 260px; right: -60px; top: -110px; }
.cta-band::after { width: 180px; height: 180px; left: 6%; bottom: -100px; border-width: 1.5px; }
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-weight: 800; letter-spacing: -.3px; }
.cta-band .btn-primary { animation: cta-pulse 2.6s ease-in-out infinite; }
@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 6px 16px rgba(27,156,92,.25); }
  50% { box-shadow: 0 6px 28px rgba(53,201,126,.55); }
}

/* ---------- V2.17 页脚：社交品牌色 + 链接箭头 ---------- */
.site-footer { position: relative; }
.footer-grid h4 { position: relative; padding-bottom: 10px; margin-bottom: 18px; }
.footer-grid h4::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px;
  border-radius: 3px; background: var(--grad-brand);
}
.footer-grid ul a { transition: color .2s, padding-left .25s var(--ease-out); display: inline-block; }
.footer-grid ul a:hover { color: #35C97E; padding-left: 6px; }
.social-row a { transition: transform .25s var(--ease-spring), background .25s; }
.social-row a:hover { transform: translateY(-4px) scale(1.06); }
.social-row a:nth-child(1):hover { background: #25D366; }
.social-row a:nth-child(2):hover { background: #0A66C2; }
.social-row a:nth-child(3):hover { background: #1877F2; }
.social-row a:nth-child(4):hover { background: #FF0000; }

/* ---------- V2.18 悬浮客服：主按钮脉冲光环 ---------- */
.float-main { position: relative; transition: transform .25s var(--ease-spring); }
.float-main::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid rgba(27,156,92,.55); animation: ring-pulse 2.2s ease-out infinite;
  pointer-events: none;
}
@keyframes ring-pulse {
  0% { transform: scale(1); opacity: .8; }
  100% { transform: scale(1.55); opacity: 0; }
}
.float-main:hover { transform: scale(1.1); }
.float-widget:not(.open) .float-main:hover { transform: scale(1.1) rotate(8deg); }

/* ---------- V2.19 弹层与表单：入场动画 + 质感 ---------- */
.modal-mask { -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal { animation: modal-in .35s var(--ease-spring); border-radius: 18px; box-shadow: var(--shadow-lg); }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(30px) scale(.96); }
  to { opacity: 1; transform: none; }
}
.modal-close { transition: .25s; }
.modal-close:hover { background: var(--green-light); color: var(--green-dark); transform: rotate(90deg); }
.form-field input, .form-field select, .form-field textarea {
  border-radius: 8px; border-color: #D7E0DB; transition: border-color .25s, box-shadow .25s;
}
.form-field input:hover, .form-field select:hover, .form-field textarea:hover { border-color: var(--green); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--green); box-shadow: 0 0 0 4px rgba(27,156,92,.12);
}
.form-success .ok-icon { animation: ok-pop .5s var(--ease-spring); color: #fff; background: var(--grad-brand); box-shadow: var(--shadow-green); }
@keyframes ok-pop { from { transform: scale(.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- V2.20 页面 Hero（内页头图）：装饰圆点纹理 ---------- */
.page-hero { position: relative; overflow: hidden; padding: 76px 0; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; opacity: .55;
  background:
    radial-gradient(circle at 85% 25%, rgba(53,201,126,.25) 0%, transparent 34%),
    radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: auto, 24px 24px;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-weight: 800; letter-spacing: -.3px; }

/* ---------- V2.21 入场交错动效（网格子项延迟） ---------- */
.reveal { transition-duration: .65s; transition-timing-function: var(--ease-out); }
.cat-grid .reveal-in, .product-grid .reveal-in, .news-grid .reveal-in,
.equip-grid .reveal-in, .value-grid .reveal-in, .honor-grid .reveal-in {
  transition-delay: calc(var(--stagger-i, 0) * 70ms);
}

/* ---------- V2.22 弱动效偏好适配（保持可访问性） ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero-slide.active .slide-bg,
  .hero-slide.active .container > *,
  .modal, .form-success .ok-icon,
  .cta-band .btn-primary, .float-main::after { animation: none !important; }
  .btn::before { display: none; }
  .cat-card:hover, .product-card:hover, .news-card:hover, .stat-item:hover,
  .honor-card:hover, .equip-card:hover, .partner-logo:hover { transform: none; }
}

/* ---------- V2.23 移动端微调 ---------- */
@media (max-width: 768px) {
  .hero { height: 480px; }
  .hero-slide h1 { text-shadow: 0 2px 18px rgba(0,0,0,.35); }
  .stat-item .num { font-size: 38px; }
  .stat-item + .stat-item::before { display: none; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 38px; }
  .about-visual::before { display: none; }
  .hero-arrow { display: none; }
  .float-main::after { animation-duration: 2.8s; }
}
@media (max-width: 480px) {
  .hero { height: 430px; }
  .btn { padding: 12px 22px; }
  .cta-band h2 { font-size: 22px; }
}

/* =========================================================
   视觉升级层 V3 —— 高级感精修（叠在 v2 之上）
   关键词：图像化背景 / 大留白 / 柔和大阴影 / 胶囊按钮 / 细节发丝线
   ========================================================= */

/* ---------- V3.1 留白与排版节奏 ---------- */
.section { padding: 96px 0; }
.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head h2 { letter-spacing: -.6px; }
.section-head p { font-size: 15.5px; color: #77827C; }
.section.alt { background: linear-gradient(180deg, #F7F9F8 0%, #F2F5F3 100%); }
body { line-height: 1.7; }

/* ---------- V3.2 按钮胶囊化 + 精致投影 ---------- */
.btn { border-radius: 999px; padding: 13px 32px; font-weight: 700; letter-spacing: .2px; }
.btn-sm { padding: 9px 22px; font-size: 13px; border-radius: 999px; }
.btn-primary { box-shadow: 0 8px 22px rgba(27,156,92,.3), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-ghost { border-width: 1.5px; }
.filter-bar button { border-radius: 999px; }

/* ---------- V3.3 卡片统一 16px 圆角 + 漫射大阴影 ---------- */
.cat-card, .product-card, .news-card, .honor-card, .equip-card, .value-card { border-radius: 16px; }
.cat-card, .product-card, .news-card { border-color: rgba(18,53,40,.06); }
.cat-thumb { height: 185px; }
.product-thumb { height: 200px; }
.news-cover { height: 165px; }
.cert-ph { height: 165px; }
.about-visual { min-height: 380px; }
.honor-card { background: linear-gradient(180deg, #FFFFFF 0%, #FBFCFB 100%); }
.equip-card { padding: 34px 24px; }
.value-card { padding: 30px 26px; }

/* ---------- V3.4 首页 Hero：电影感文字排版 ---------- */
.hero { height: 620px; }
.hero-slide h1 { letter-spacing: -1px; font-weight: 800; max-width: 600px; }
.hero-slide p { max-width: 520px; font-size: 17px; line-height: 1.85; }
.hero-slide .slide-bg::after {
  background:
    linear-gradient(90deg, rgba(8,26,18,.8) 0%, rgba(8,26,18,.5) 48%, rgba(8,26,18,.18) 100%),
    linear-gradient(0deg, rgba(8,26,18,.55) 0%, transparent 32%);
}
.hero-tag { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }

/* ---------- V3.5 统计条：更大数字 + 发丝分隔 ---------- */
.stats-band { padding: 64px 0; }
.stat-item .num { font-size: 54px; letter-spacing: -1.5px; }
.stat-item .label { font-size: 13.5px; letter-spacing: 1.5px; text-transform: uppercase; opacity: .85; }

/* ---------- V3.6 内页头图：更大气的高度与文字 ---------- */
.page-hero { padding: 110px 0; }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); letter-spacing: -.8px; text-shadow: 0 2px 20px rgba(0,0,0,.35); }
.page-hero p { font-size: 16px; letter-spacing: .5px; }

/* ---------- V3.7 通栏询盘条：更挺括的排版 ---------- */
.cta-band { padding: 72px 0; }
.cta-band h2 { font-size: 32px; letter-spacing: -.5px; }
.cta-band p { font-size: 15.5px; }

/* ---------- V3.8 时间线与设备区细节 ---------- */
.timeline::before { height: 2px; opacity: .7; }
.tl-item .dot { border-width: 3px; box-shadow: 0 0 0 4px #fff; }
.equip-card .icon { width: 68px; height: 68px; border-radius: 18px; }
.equip-card h3 { font-size: 17.5px; }

/* ---------- V3.9 合作伙伴墙：更轻的占位 ---------- */
.partner-logo { border-color: transparent; background: #F3F6F4; font-weight: 600; letter-spacing: 1.5px; }
.partner-logo:hover { background: #fff; }

/* ---------- V3.10 页脚：发丝线 + 呼吸感 ---------- */
.site-footer { box-shadow: inset 0 1px 0 rgba(53,201,126,.35); }
.footer-grid { padding: 68px 0 48px; gap: 44px; }
.footer-bottom { padding: 20px 0; }

/* ---------- V3.11 表单与弹层精致化 ---------- */
.modal { border-radius: 20px; padding: 36px; }
.form-field label { font-size: 12.5px; letter-spacing: .3px; text-transform: uppercase; color: #5C6963; }
.form-field input, .form-field select, .form-field textarea { padding: 12px 14px; border-radius: 10px; }
.contact-form-card, .contact-info-card { border-radius: 16px; padding: 38px; }
.contact-info-card { box-shadow: var(--shadow-lg); }

/* ---------- V3.12 移动端适配 ---------- */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { height: 500px; }
  .page-hero { padding: 76px 0; }
  .stat-item .num { font-size: 42px; }
  .stats-band { padding: 48px 0; }
  .cta-band { padding: 52px 0; }
  .contact-form-card, .contact-info-card { padding: 26px; }
}

/* =========================================================
   视觉升级层 V4 —— 色块清零：Logo 墙图像化 / 使命愿景图像卡
   ========================================================= */
/* 合作伙伴墙：AI 图形标占位（assets/images/logo1-6.jpg，可换真实 Logo） */
.partner-logo { padding: 10px; background: #fff; border-color: rgba(18,53,40,.08); }
.partner-logo img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 6px; }
/* 使命愿景：图像底卡（about.html 加 .img-bg + inline 背景） */
.mv-card { overflow: hidden; position: relative; border-radius: 16px; min-height: 220px; display: flex; flex-direction: column; justify-content: center; }
.mv-card.img-bg { padding: 36px 34px; }
.mv-card.img-bg h3, .mv-card.img-bg p { color: #fff; position: relative; z-index: 1; }
.mv-card.img-bg h3 { font-size: 22px; margin-bottom: 10px; }
.mv-card.img-bg p { color: rgba(255,255,255,.88); line-height: 1.8; }

/* =========================================================
   产品详情页（product.html）
   图集 + 参数表 + 相关产品；产品卡整卡可点击进详情
   ========================================================= */
.product-card[data-model] { cursor: pointer; }
.detail-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; }
.detail-gallery { position: sticky; top: 96px; }
.dg-main {
  border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line);
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); margin-bottom: 14px;
}
.dg-main img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease-out, ease); }
.dg-main:hover img { transform: scale(1.05); }
.dg-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.dg-thumb {
  width: 76px; height: 60px; border-radius: 8px; overflow: hidden; cursor: pointer;
  border: 2px solid var(--line); background: #fff; transition: border-color .2s, transform .2s;
}
.dg-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-thumb:hover { transform: translateY(-2px); }
.dg-thumb.active { border-color: var(--green); box-shadow: 0 0 0 3px rgba(27,156,92,.18); }
.detail-info h1 { font-size: clamp(24px, 2.8vw, 32px); color: var(--dark); letter-spacing: -.4px; margin: 14px 0 10px; font-weight: 800; }
.detail-desc { color: var(--muted); font-size: 15.5px; line-height: 1.8; margin-bottom: 22px; }
.spec-table {
  width: 100%; border-collapse: collapse; font-size: 14px; margin: 6px 0 26px;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
}
.spec-table caption {
  caption-side: top; text-align: left; font-weight: 800; color: var(--dark);
  font-size: 16px; padding-bottom: 12px;
}
.spec-table th, .spec-table td { padding: 11px 16px; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { width: 42%; background: #F7FAF8; color: var(--dark); font-weight: 600; }
.spec-table td { color: var(--muted); }
.spec-table tr:hover th, .spec-table tr:hover td { background: #F2F8F4; }
.detail-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.empty-detail { text-align: center; color: var(--muted); padding: 70px 0; font-size: 15px; }
@media (max-width: 768px) {
  .detail-wrap { grid-template-columns: 1fr; gap: 26px; }
  .detail-gallery { position: static; }
}

/* =========================================================
   视觉升级层 V6 —— 浅色化：整体告别深绿，改用清爽浅色调
   深绿仅保留品牌点缀（按钮/图标/强调色）
   ========================================================= */

/* 顶部通栏：深绿 → 浅绿灰 */
.topbar {
  background: #EFF6F2; color: #4C6A5B;
  border-bottom: 1px solid var(--line);
}
.topbar a { color: #4C6A5B; }
.topbar a:hover { color: var(--green-dark); }

/* 首页 Banner：遮罩调亮，画面更通透明亮 */
.hero-slide .slide-bg::after {
  background:
    linear-gradient(90deg, rgba(8,26,18,.58) 0%, rgba(8,26,18,.3) 55%, rgba(8,26,18,.06) 100%),
    linear-gradient(0deg, rgba(8,26,18,.38) 0%, transparent 30%);
}

/* 数字统计条：深底 → 浅底（图像隐约可见，文字转深色） */
.stats-band { color: var(--text); }
.stats-band::before {
  opacity: .8;
  background:
    radial-gradient(circle at 12% 20%, rgba(27,156,92,.08) 0%, transparent 32%),
    radial-gradient(circle at 88% 80%, rgba(20,184,166,.06) 0%, transparent 36%),
    radial-gradient(rgba(18,53,40,.05) 1px, transparent 1px);
  background-size: auto, auto, 26px 26px;
}
.stat-item .label { color: var(--muted); }
.stat-item .num {
  background: linear-gradient(120deg, #0E7A44 0%, #1B9C5C 55%, #14A88A 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: none;
}
.stat-item + .stat-item::before {
  background: linear-gradient(180deg, transparent, rgba(18,53,40,.16), transparent);
}

/* 内页头图 / 通栏询盘条：浅底深字 */
.page-hero { color: #fff; }
.page-hero h1 { text-shadow: 0 2px 16px rgba(0,0,0,.45); }
.page-hero p { color: rgba(255,255,255,.94); }
.cta-band { color: var(--text); }
.cta-band h2 { color: var(--dark); }
.cta-band p { color: #5C6963; }
.cta-band::before { border-color: rgba(27,156,92,.2); }
.cta-band::after { border-color: rgba(27,156,92,.16); }
.cta-band .btn-primary { color: #fff; }

/* 页脚：深墨绿 → 浅色页脚 */
.site-footer {
  background: #F6FAF8; color: var(--text);
  box-shadow: inset 0 1px 0 rgba(27,156,92,.18);
}
.footer-grid h4 { color: var(--dark); }
.footer-grid ul li { color: var(--muted); }
.footer-grid ul a { color: var(--text); }
.footer-grid ul a:hover { color: var(--green-dark); padding-left: 6px; }
.footer-brand .logo { color: var(--dark); }
.footer-brand p { color: var(--muted); }
.footer-contact li { color: var(--muted); }
.footer-contact svg { color: var(--green); }
.social-row a { background: var(--green-light); }
.social-row svg { color: var(--green-dark); }
.social-row a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--line); }

/* 联系页信息卡：深底 → 浅底 */
.contact-info-card { color: var(--text); box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.contact-info-card h3 { color: var(--dark); }
.contact-line b { color: var(--dark); }
.contact-line span { color: var(--muted); }
.contact-line .ci { background: var(--green-light); }
.contact-line .ci svg { color: var(--green-dark); }

/* 404 页顶部通栏（若有深底）保持一致性 */
.hero-slide h1 { text-shadow: 0 1px 16px rgba(0,0,0,.3); }

/* =========================================================
   品牌真实 LOGO（assets/images/logo.png，透明底）
   页头高 46px，页脚高 38px；用户可在图片管理中覆盖同名文件更换
   ========================================================= */
.logo { gap: 12px; }
.logo-full { height: 46px; width: auto; display: block; }
.footer-brand .logo .logo-full { height: 40px; }
@media (max-width: 768px) {
  .logo-full { height: 38px; }
  .footer-brand .logo .logo-full { height: 34px; }
}