/* ============================================================
   山东碳联能源科技有限公司 · 企业官网样式
   文件: assets/css/style.css

   ▸ 想改颜色？只改下方 :root 里的变量，全站自动生效。
   ▸ 想改文字/图片？直接打开对应 .html 文件，搜索中文内容即可。
   ============================================================ */

/* ---------- 1. 主题变量（编辑区①：全局配色） ---------- */
:root {
  /* 主色系：科技蓝 → 节能绿 */
  --primary: #00d4ff;        /* 科技蓝（主色） */
  --secondary: #00e07a;      /* 节能绿（辅色） */
  --accent: #7c5cff;         /* 辅助紫 */
  --gradient: linear-gradient(135deg, #00d4ff 0%, #00e07a 100%);

  /* 背景 */
  --bg-dark: #050b16;        /* 页面深色底 */
  --bg-panel: rgba(255, 255, 255, .04);
  --bg-panel-hover: rgba(255, 255, 255, .07);
  --line: rgba(0, 212, 255, .16);

  /* 文字 */
  --text: #e8f4ff;
  --text-dim: #8fb3cc;

  /* 其他 */
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0, 212, 255, .12);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --nav-h: 72px;
}

/* ---------- 2. 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}
/* 科技网格底纹 */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(0, 212, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
}
/* 节能光晕 */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(640px 420px at 12% 8%,  rgba(0, 212, 255, .10), transparent 62%),
    radial-gradient(760px 520px at 88% 92%, rgba(0, 224, 122, .08), transparent 62%);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
::selection { background: rgba(0, 212, 255, .35); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(0, 212, 255, .25); border-radius: 5px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.btn-primary {
  background: var(--gradient);
  color: #04101f;
  box-shadow: 0 8px 28px rgba(0, 212, 255, .28);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(0, 224, 122, .32); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }

/* ---------- 4. 顶部导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
  background: rgba(5, 11, 22, .55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(5, 11, 22, .92); border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(0, 0, 0, .45); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: auto; height: 42px; }
.brand-text { font-size: 20px; font-weight: 700; letter-spacing: 1px; line-height: 1.1; }
.brand-text small { display: block; font-size: 10px; font-weight: 400; letter-spacing: 3px; color: var(--text-dim); }
.nav-menu { display: flex; align-items: center; gap: 34px; }
.nav-menu a {
  position: relative;
  font-size: 15px;
  color: var(--text-dim);
  padding: 6px 2px;
  transition: color .25s;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width .3s;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--text); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-menu a.nav-cta {
  padding: 10px 26px;
  border-radius: 999px;
  background: var(--gradient);
  color: #04101f;
  font-weight: 600;
  box-shadow: 0 6px 22px rgba(0, 212, 255, .25);
}
.nav-menu a.nav-cta::after { display: none; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. 通用区块 ---------- */
.section { padding: 96px 0; }
.section-alt { background: rgba(255, 255, 255, .02); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: 13px; letter-spacing: 3px;
  color: var(--primary);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 18px;
}
.section-head h2 { font-size: 38px; letter-spacing: 1px; }
.section-head h2 em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-head p { color: var(--text-dim); margin-top: 14px; }

/* 卡片 */
.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform .3s, background .3s, box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-6px); background: var(--bg-panel-hover); border-color: rgba(0, 212, 255, .4); box-shadow: var(--shadow); }
.card-icon {
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--gradient);
  margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(0, 212, 255, .25);
}
.card-icon svg { width: 30px; height: 30px; stroke: #04101f; }
.card h3 { font-size: 20px; margin-bottom: 12px; letter-spacing: 1px; }
.card p { color: var(--text-dim); font-size: 14.5px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

/* 通用页面头（内页） */
.page-hero {
  padding: calc(var(--nav-h) + 90px) 0 70px;
  text-align: center;
  position: relative;
}
.page-hero h1 { font-size: 42px; letter-spacing: 2px; }
.page-hero h1 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--text-dim); max-width: 640px; margin: 16px auto 0; }

/* ---------- 6. 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 90px;
  overflow: hidden;
}
#particles { position: absolute; inset: 0; z-index: 0; }
.hero-inner { position: relative; z-index: 1; text-align: center; }
.hero-tag {
  display: inline-block;
  font-size: 13px; letter-spacing: 4px;
  color: var(--secondary);
  border: 1px solid rgba(0, 224, 122, .35);
  background: rgba(0, 224, 122, .06);
  border-radius: 999px;
  padding: 8px 22px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 800;
  letter-spacing: 3px;
  line-height: 1.25;
}
.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--text-dim); font-size: 17px; margin: 24px auto 36px; max-width: 680px; }
.hero-sub b { color: var(--secondary); font-size: 20px; }
.hero-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.hero-points {
  display: flex; gap: 26px; justify-content: center; flex-wrap: wrap;
  margin-top: 44px;
  font-size: 14px; color: var(--text-dim);
}
.hero-points li::before { content: "✓ "; color: var(--secondary); font-weight: 700; }
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  font-size: 12px; letter-spacing: 3px; color: var(--text-dim);
  animation: float 2.2s ease-in-out infinite;
  z-index: 1;
}
@keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 10px); } }

/* ---------- 7. 数据栏 ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(0, 212, 255, .03); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 44px 24px; text-align: center; }
.stat b {
  display: block;
  font-size: 44px; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat span { color: var(--text-dim); font-size: 14px; letter-spacing: 2px; }

/* ---------- 8. 项目分布地图 ---------- */
.map-wrap { margin: 0 auto; }
.map-panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(420px 260px at 25% 35%, rgba(0, 212, 255, .08), transparent 65%),
    radial-gradient(420px 260px at 78% 72%, rgba(0, 224, 122, .07), transparent 65%),
    rgba(255, 255, 255, .02);
  overflow: hidden;
}
/* 经纬网格底纹 */
.map-panel::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, .06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.map-panel svg { display: block; width: 100%; height: auto; }
.city { fill: rgba(0, 212, 255, .02); stroke: rgba(0, 212, 255, .22); stroke-width: 1; transition: fill .25s, stroke .25s; }
.city:hover { fill: rgba(0, 212, 255, .07); stroke: rgba(0, 224, 122, .45); }
.city-label { fill: rgba(0, 212, 255, .5); font-size: 11px; font-weight: 600; text-anchor: middle; paint-order: stroke; stroke: #050b16; stroke-width: 2.5px; user-select: none; pointer-events: none; }
.prov path { fill: rgba(0, 212, 255, .06); stroke: rgba(0, 212, 255, .4); stroke-width: 1.5; stroke-dasharray: 6 5; transition: fill .3s, stroke .3s; }
.prov:hover path { fill: rgba(0, 212, 255, .1); stroke: rgba(0, 224, 122, .55); }
.prov-label { fill: rgba(0, 212, 255, .16); font-size: 44px; font-weight: 800; letter-spacing: 6px; text-anchor: middle; user-select: none; pointer-events: none; }
.marker { cursor: pointer; }
.marker .pulse { fill: rgba(0, 212, 255, .35); transform-box: fill-box; transform-origin: center; animation: mPulse 2.4s ease-out infinite; }
.marker:nth-of-type(odd) .pulse { animation-delay: 1.2s; }
.marker .dot { fill: var(--primary); stroke: #04101f; stroke-width: 1.6; transition: fill .25s; }
.marker .m-label { fill: var(--text); font-size: 14px; font-weight: 600; paint-order: stroke; stroke: #050b16; stroke-width: 3px; }
.marker:hover .dot, .marker.active .dot { fill: var(--secondary); }
.marker.active .m-label { fill: var(--secondary); }
@keyframes mPulse {
  0% { transform: scale(.35); opacity: .85; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}
.map-compass {
  position: absolute; top: 14px; right: 18px;
  font-size: 12px; letter-spacing: 1px; color: var(--text-dim);
  border: 1px solid var(--line); border-radius: 8px; padding: 4px 9px;
  background: rgba(5, 11, 22, .5);
}
.map-legend { display: flex; justify-content: center; gap: 44px; flex-wrap: wrap; margin-top: 28px; }
.legend-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.legend-name { font-size: 14px; font-weight: 600; color: var(--primary); letter-spacing: 2px; margin-right: 2px; }
.city-chip {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0, 212, 255, .05);
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font);
  transition: all .25s;
}
.city-chip:hover, .city-chip.active { color: var(--primary); border-color: var(--primary); background: rgba(0, 212, 255, .1); }

/* ---------- 8.5 远程控制系统及优势 ---------- */
.sys-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 52px; align-items: center; }
.sys-media { position: relative; }
.sys-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.sys-media .sub { position: absolute; width: 52%; right: -14px; bottom: -18px; border: 4px solid var(--bg-dark); }
.sys-badge {
  position: absolute; top: 14px; left: 14px;
  font-size: 12px; letter-spacing: 2px;
  padding: 5px 16px; border-radius: 999px;
  background: rgba(5, 11, 22, .65);
  border: 1px solid var(--line);
  color: var(--primary);
  backdrop-filter: blur(6px);
}
.sys-content h3 { font-size: 24px; margin-bottom: 14px; }
.sys-content h3 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sys-content > p { color: var(--text-dim); margin-bottom: 26px; }
.sys-list { display: flex; flex-direction: column; gap: 18px; margin-bottom: 30px; }
.sys-list li { display: flex; gap: 14px; align-items: flex-start; }
.sys-list .sys-ic {
  flex-shrink: 0; width: 26px; height: 26px; margin-top: 2px;
  border-radius: 50%;
  background: var(--gradient);
  color: #04101f;
  font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.sys-list b { display: block; font-size: 16px; margin-bottom: 4px; }
.sys-list p { font-size: 13.5px; color: var(--text-dim); }

/* ---------- 9. CTA 横幅 ---------- */
.cta-band {
  position: relative;
  border-radius: 24px;
  padding: 64px 48px;
  text-align: center;
  background:
    radial-gradient(500px 260px at 20% 20%, rgba(0, 212, 255, .18), transparent 65%),
    radial-gradient(500px 260px at 80% 80%, rgba(0, 224, 122, .16), transparent 65%),
    rgba(255, 255, 255, .03);
  border: 1px solid var(--line);
  overflow: hidden;
}
.cta-band h2 { font-size: 32px; letter-spacing: 2px; }
.cta-band h2 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.cta-band p { color: var(--text-dim); margin: 14px auto 30px; max-width: 560px; }

/* ---------- 10. 企业文化页 ---------- */
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.mvv-num { font-size: 14px; letter-spacing: 4px; color: var(--primary); margin-bottom: 10px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-item { text-align: center; padding: 30px 18px; }
.value-item .v-char {
  width: 64px; height: 64px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; color: #04101f;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 8px 24px rgba(0, 212, 255, .25);
}
.value-item h4 { font-size: 18px; margin-bottom: 8px; }
.value-item p { font-size: 13.5px; color: var(--text-dim); }

/* ---------- 11. 企业案例页 ---------- */
.filter-bar { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.city-bar { margin-top: -20px; }
.filter-btn {
  padding: 9px 26px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-size: 14px; font-family: var(--font);
  cursor: pointer;
  transition: all .25s;
}
.filter-btn:hover { color: var(--primary); border-color: var(--primary); }
.filter-btn.active { background: var(--gradient); color: #04101f; font-weight: 600; border-color: transparent; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card { overflow: hidden; padding: 0 0 26px; }
.case-card.hide { display: none; }
.case-media {
  position: relative;
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px;
  background:
    radial-gradient(240px 120px at 30% 25%, rgba(0, 212, 255, .25), transparent 70%),
    radial-gradient(240px 120px at 75% 80%, rgba(0, 224, 122, .20), transparent 70%),
    linear-gradient(150deg, #0a1e38, #06241c);
  border-bottom: 1px solid var(--line);
}
.case-media .cm-label { font-size: 13px; letter-spacing: 2px; color: var(--text-dim); }
.case-media svg { width: 44px; height: 44px; stroke: rgba(0, 224, 122, .8); }
.case-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-tag {
  position: absolute; top: 14px; left: 14px;
  font-size: 12px; padding: 4px 14px;
  border-radius: 999px;
  background: rgba(0, 212, 255, .15);
  border: 1px solid rgba(0, 212, 255, .4);
  color: var(--primary);
}
.case-body { padding: 22px 26px 0; }
.case-body h3 { font-size: 18px; margin-bottom: 10px; }
.case-body p { font-size: 13.5px; color: var(--text-dim); }
.case-data {
  display: flex; gap: 20px; flex-wrap: wrap;
  margin-top: 16px; padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, .12);
}
.case-data .cd { font-size: 13px; color: var(--text-dim); }
.case-data .cd b { display: block; font-size: 19px; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.note { text-align: center; color: var(--text-dim); font-size: 13px; margin-top: 40px; }

/* ---------- 12. 荣誉资质页 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.honor-block + .honor-block { margin-top: 80px; padding-top: 70px; border-top: 1px solid var(--line); }
.honor-card { text-align: center; padding: 40px 26px; overflow: hidden; }
.h-media { margin: -40px -26px 22px; height: 240px; overflow: hidden; background: linear-gradient(150deg, #0d1b30, #0a2b24); }
.h-media img { width: 100%; height: 100%; object-fit: contain; }
.honor-card .h-badge {
  width: 84px; height: 84px; margin: 0 auto 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px dashed rgba(0, 212, 255, .5);
  color: var(--primary);
  background: rgba(0, 212, 255, .06);
}
.honor-card .h-badge svg { width: 40px; height: 40px; }
.honor-card h3 { font-size: 18px; margin-bottom: 8px; }
.honor-card p { font-size: 13px; color: var(--text-dim); }
.pending-tag { display: inline-block; margin-top: 12px; font-size: 12px; color: #f5b04c; border: 1px solid rgba(245, 176, 76, .4); background: rgba(245, 176, 76, .08); border-radius: 999px; padding: 3px 12px; }

/* ---------- 13. 联系我们页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr 1.35fr; gap: 40px; align-items: start; }
.info-item { display: flex; gap: 18px; align-items: flex-start; padding: 22px 0; border-bottom: 1px dashed rgba(255, 255, 255, .1); }
.info-item:last-child { border-bottom: none; }
.info-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 212, 255, .1);
  border: 1px solid var(--line);
  color: var(--primary);
}
.info-icon svg { width: 22px; height: 22px; }
.info-item h4 { font-size: 15px; margin-bottom: 4px; }
.info-item p { font-size: 14px; color: var(--text-dim); }

.form-wrap { padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row.tri { grid-template-columns: .9fr .7fr 1.4fr; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; color: var(--text-dim); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font-size: 14.5px;
  font-family: var(--font);
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.form-group select option { background: #0a1526; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, .15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  background: rgba(0, 224, 122, .1);
  border: 1px solid rgba(0, 224, 122, .4);
  color: var(--secondary);
  font-size: 14px;
}
.form-success.show { display: block; }
.map-box {
  margin-top: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  height: 360px;
  overflow: hidden;
  background:
    radial-gradient(300px 160px at 30% 30%, rgba(0, 212, 255, .12), transparent 70%),
    rgba(255, 255, 255, .02);
  color: var(--text-dim);
  font-size: 14px;
}
.map-box img { width: 100%; height: 100%; object-fit: cover; display: block; }
.map-box code { color: var(--primary); font-size: 13px; }

/* ---------- 13.5 公司动态页 ---------- */
.news-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.news-count { font-size: 14px; color: var(--text-dim); letter-spacing: 1px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { overflow: hidden; padding: 0 0 24px; cursor: pointer; }
.news-cover {
  position: relative;
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(240px 120px at 30% 25%, rgba(0, 212, 255, .22), transparent 70%),
    radial-gradient(240px 120px at 75% 80%, rgba(0, 224, 122, .18), transparent 70%),
    linear-gradient(150deg, #0a1e38, #06241c);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-cover .news-ph { font-size: 54px; font-weight: 800; color: rgba(0, 224, 122, .35); }
.news-cat {
  position: absolute; top: 14px; left: 14px;
  font-size: 12px; padding: 4px 14px;
  border-radius: 999px;
  background: rgba(0, 212, 255, .15);
  border: 1px solid rgba(0, 212, 255, .4);
  color: var(--primary);
}
.news-body { padding: 18px 22px 0; }
.news-body .news-meta { font-size: 12.5px; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 8px; }
.news-body h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.news-body p { font-size: 13.5px; color: var(--text-dim); }

/* 发布 / 管理面板 */
.news-admin { display: none; position: fixed; inset: 0; z-index: 1200; background: rgba(3, 8, 16, .78); backdrop-filter: blur(6px); padding: 40px 16px; overflow-y: auto; }
.news-admin.open { display: block; }
.news-admin-card { max-width: 820px; margin: 0 auto; background: #0a1526; border: 1px solid var(--line); border-radius: 20px; padding: 34px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.news-admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.news-admin-head h3 { font-size: 20px; }
.admin-close { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--text-dim); font-size: 20px; line-height: 1; cursor: pointer; transition: all .25s; }
.admin-close:hover { color: var(--primary); border-color: var(--primary); }
.news-admin-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-hint { font-size: 12px; color: var(--text-dim); }
.news-manage { margin-top: 28px; padding-top: 22px; border-top: 1px dashed rgba(255, 255, 255, .12); }
.news-manage h4 { font-size: 14px; color: var(--text-dim); margin-bottom: 14px; }
.news-manage ul { display: flex; flex-direction: column; gap: 8px; }
.news-manage li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; background: rgba(255, 255, 255, .03); border: 1px solid rgba(255, 255, 255, .06); border-radius: 10px; font-size: 14px; }
.news-manage li .nm-actions { display: flex; gap: 8px; flex-shrink: 0; }
.nm-btn { padding: 4px 14px; border-radius: 8px; border: 1px solid var(--line); background: rgba(0, 212, 255, .1); color: var(--primary); font-size: 12.5px; cursor: pointer; font-family: var(--font); transition: all .25s; }
.nm-btn:hover { background: rgba(0, 212, 255, .2); }
.nm-btn.danger { background: rgba(255, 90, 90, .08); border-color: rgba(255, 90, 90, .35); color: #ff7b7b; }
.nm-btn.danger:hover { background: rgba(255, 90, 90, .18); }

/* 文章详情弹窗 */
.news-modal { display: none; position: fixed; inset: 0; z-index: 1300; background: rgba(3, 8, 16, .82); backdrop-filter: blur(6px); padding: 64px 16px; overflow-y: auto; }
.news-modal.open { display: block; }
.news-modal-card { position: relative; max-width: 780px; margin: 0 auto; background: #0a1526; border: 1px solid var(--line); border-radius: 20px; padding: 42px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.news-modal-card .admin-close { position: absolute; top: 18px; right: 18px; }
.news-modal-card .news-cat { position: static; display: inline-block; margin-bottom: 14px; }
.news-modal-card h2 { font-size: 26px; line-height: 1.45; margin-bottom: 12px; padding-right: 40px; }
.news-modal-card .news-meta { font-size: 13px; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 22px; }
.news-modal-card .nm-cover { width: 100%; max-height: 380px; object-fit: cover; border-radius: 14px; margin-bottom: 22px; }
.news-modal-card .nm-body p { color: var(--text); font-size: 15px; margin-bottom: 14px; }
.news-modal-card .nm-body img { width: 100%; border-radius: 12px; margin: 12px 0; }

/* ---------- 13.6 首页技术沙龙（小红书风格图文） ---------- */
.salon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.salon-card { cursor: pointer; padding: 0; overflow: hidden; background: var(--bg-panel); border: 1px solid var(--line); border-radius: 18px; transition: transform .3s, border-color .3s, box-shadow .3s; }
.salon-card:hover { transform: translateY(-5px); border-color: rgba(0, 212, 255, .4); box-shadow: var(--shadow); }
.salon-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(200px 120px at 30% 25%, rgba(0, 212, 255, .22), transparent 70%),
    radial-gradient(200px 120px at 75% 80%, rgba(0, 224, 122, .18), transparent 70%),
    linear-gradient(150deg, #0a1e38, #06241c);
  border-bottom: 1px solid var(--line);
}
.salon-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.salon-card:hover .salon-cover img { transform: scale(1.05); }
.salon-ph { font-size: 62px; font-weight: 800; color: rgba(0, 224, 122, .4); }
.salon-tag {
  position: absolute; top: 10px; left: 10px;
  font-size: 11.5px; padding: 3px 12px;
  border-radius: 999px;
  background: rgba(5, 11, 22, .7);
  border: 1px solid rgba(0, 212, 255, .45);
  color: var(--primary);
  backdrop-filter: blur(4px);
}
.salon-info { padding: 14px 16px 16px; }
.salon-info h3 { font-size: 15.5px; line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.salon-info p { font-size: 12.5px; color: var(--text-dim); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.salon-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.salon-date { font-size: 12px; color: var(--text-dim); }
.salon-like {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 14px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--text-dim); font-size: 12.5px;
  cursor: pointer; font-family: var(--font);
  transition: all .25s;
}
.salon-like:hover { color: #ff6b8a; border-color: rgba(255, 107, 138, .5); }
.salon-like.liked { color: #ff4d6d; border-color: rgba(255, 77, 109, .55); background: rgba(255, 77, 109, .1); }
.salon-like.big { font-size: 14px; padding: 9px 22px; }
.salon-modal-like { text-align: center; margin-top: 24px; padding-top: 20px; border-top: 1px dashed rgba(255, 255, 255, .12); }

/* ---------- 14. 页脚 ---------- */
.footer { margin-top: 40px; border-top: 1px solid var(--line); background: rgba(3, 8, 16, .8); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr .9fr; gap: 40px; padding: 64px 24px 40px; }
.footer-qr img { width: 120px; height: 120px; box-sizing: border-box; padding: 6px; background: #fff; border-radius: 10px; }
.footer h4 { font-size: 16px; margin-bottom: 18px; letter-spacing: 2px; }
.footer p, .footer li { font-size: 14px; color: var(--text-dim); }
.footer li { margin-bottom: 10px; }
.footer a { transition: color .25s; }
.footer a:hover { color: var(--primary); }
.footer-about .brand-text { margin-top: 14px; }
.footer-about p { margin-top: 14px; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .06);
  text-align: center;
  padding: 22px 24px;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-bottom a { color: var(--text-dim); transition: color .25s; }
.footer-bottom a:hover { color: var(--primary); }
.footer-bottom img { display: inline-block; width: auto; height: 15px; vertical-align: -2px; margin-right: 5px; }

/* ---------- 15. 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .honor-grid, .grid-3, .mvv-grid, .news-grid, .salon-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .sys-wrap { grid-template-columns: 1fr; gap: 40px; }
  .sys-media { margin-bottom: 12px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .brand-text { font-size: 16px; }
  .nav-menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(5, 11, 22, .97);
    border-bottom: 1px solid var(--line);
    padding: 10px 0 20px;
    transform: translateY(-120%);
    transition: transform .35s ease;
    backdrop-filter: blur(14px);
  }
  .nav-menu.open { transform: none; }
  .nav-menu a { padding: 14px 24px; width: 100%; text-align: center; }
  .nav-menu a.nav-cta { width: auto; margin: 10px auto 0; display: inline-block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .grid-4, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 72px 0; }
  .section-head h2 { font-size: 30px; }
  .page-hero h1 { font-size: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .sys-media .sub { right: 0; bottom: -12px; width: 55%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-band { padding: 44px 24px; }
}
@media (max-width: 560px) {
  .grid-4, .values-grid, .case-grid, .honor-grid, .grid-3, .mvv-grid, .news-grid, .salon-grid { grid-template-columns: 1fr; }
  .brand-text { font-size: 14px; }
  .marker .m-label { display: none; }
  .map-legend { gap: 18px; }
  .legend-name { display: block; width: 100%; }
  .hero h1 { font-size: 32px; }
  .hero-points { flex-direction: column; gap: 10px; }
  .stat b { font-size: 34px; }
}