/* ==========================================================
   瑞启深空官网 - 全局样式
   主色：深蓝 #005088 | 辅助 #0089FF | 点缀 #36CFCB
   风格：深蓝 + 白净留白，商务高端
   ========================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --primary: #005088;
  --primary-dark: #003a64;
  --primary-light: #0089ff;
  --accent: #36cFCB;
  --accent: #36CFCB;
  --ink: #1a2332;
  --text: #3d4a5c;
  --text-light: #6b7a8f;
  --muted: #9aa8bd;
  --line: #e6ecf3;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-blue: #001a33;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 6px 24px rgba(0, 60, 120, 0.08);
  --shadow-hover: 0 14px 40px rgba(0, 60, 120, 0.16);
  --maxw: 1240px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- 布局工具 ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-sm { padding: 56px 0; }
.section-blue { background: linear-gradient(160deg, #003a64 0%, #005088 50%, #003a64 100%); color: #dce8f5; }
.section-soft { background: var(--bg-soft); }
.text-center { text-align: center; }

/* ---------- 排版 ---------- */
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--primary-light); font-weight: 600; margin-bottom: 14px;
}
.section-head h2 {
  font-size: 38px; font-weight: 700; color: var(--ink); letter-spacing: 1px;
  margin-bottom: 16px; line-height: 1.3;
}
.section-head .desc { font-size: 16px; color: var(--text-light); max-width: 720px; margin: 0 auto; }
.section-blue .section-head h2 { color: #fff; }
.section-blue .section-head .desc { color: #aac4dd; }
.section-blue .eyebrow { color: var(--accent); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 50px; font-weight: 600; font-size: 15px;
  transition: all .3s var(--ease); white-space: nowrap; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(0, 80, 136, 0.3); }
.btn-primary:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 137, 255, 0.4); }
.btn-outline { border: 1.5px solid rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--primary); color: #fff; }
.btn-ghost { border: 1.5px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ==========================================================
   顶部导航
   ========================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); z-index: 1000;
  display: flex; align-items: center; transition: all .35s var(--ease);
  background: transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,.96); box-shadow: 0 2px 18px rgba(0,40,90,.08);
  backdrop-filter: blur(8px);
}
.site-header.scrolled .nav-link,
.site-header.scrolled .brand-name { color: var(--ink); }
.site-header.scrolled .brand-sub { color: var(--text-light); }
.nav-link { color: rgba(255,255,255,.92); font-size: 15px; font-weight: 500; position: relative; padding: 6px 0; }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--accent); }
.site-header.scrolled .nav-link.active { color: var(--primary); }

.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 40px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.brand-sub { font-size: 11px; color: rgba(255,255,255,.65); letter-spacing: 2px; text-transform: uppercase; }
.site-header.scrolled .brand-logo + .brand-text .brand-sub { color: var(--muted); }

.nav-menu { display: flex; align-items: center; gap: 30px; }
.nav-cta { margin-left: 16px; }

/* 移动端汉堡 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: all .3s; }
.site-header.scrolled .nav-toggle span { background: var(--ink); }

/* 内页顶部占位（因 header fixed） */
.page-offset { padding-top: var(--header-h); }

/* ==========================================================
   首页 Hero
   ========================================================== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
/* 动效背景画布：放最底层但可见 */
#hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block; }
/* hero 深空底色兜底（canvas 未加载时显示） */
.hero { background: linear-gradient(160deg, #000a18 0%, #001633 50%, #00254a 100%); }
/* AI 网格叠加层（在 canvas 之上、文字之下） */
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 1; opacity: .18; pointer-events: none;
  background-image:
    linear-gradient(rgba(54,207,203,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54,207,203,.5) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 100%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 50% 100%, #000 0%, transparent 75%);
}
/* 左侧渐变压暗，保证文字可读（不盖住右侧动效） */
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,8,20,.78) 0%, rgba(0,12,32,.4) 45%, transparent 75%);
}
/* hero 内容提到最上层 */
.hero-content, .hero-scroll, .hero-eyebrow { position: relative; z-index: 2; }
@keyframes twinkle { 0%,100%{opacity:.2;} 50%{opacity:.9;} }

/* 主题标签 */
.hero-tags { display: flex; gap: 12px; margin-bottom: 26px; flex-wrap: wrap; }
.hero-tag {
  padding: 7px 18px; font-size: 14px; font-weight: 500; border-radius: 50px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px); color: #e8f0fb; display: inline-flex; align-items: center; gap: 8px;
}
.tag-dot { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 8px currentColor; flex-shrink: 0; }

.hero-content { max-width: 820px; padding: 40px 0; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px;
  border: 1px solid rgba(255,255,255,.25); border-radius: 50px;
  font-size: 13px; letter-spacing: 2px; margin-bottom: 28px;
  background: rgba(255,255,255,.06); backdrop-filter: blur(4px);
}
.hero-eyebrow .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 10px var(--accent); }
.hero h1 {
  font-size: 62px; font-weight: 800; line-height: 1.15; letter-spacing: 2px; margin-bottom: 26px;
  text-shadow: 0 4px 30px rgba(0,0,0,.4);
}
.hero h1 .grad {
  background: linear-gradient(90deg, #fff 0%, var(--accent) 60%, var(--primary-light) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 20px; color: #c8d8ec; margin-bottom: 42px; max-width: 640px; line-height: 1.8; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.7); font-size: 13px; letter-spacing: 1px; text-align: center;
}
.hero-scroll .mouse {
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px;
  margin: 0 auto 10px; position: relative;
}
.hero-scroll .mouse::after {
  content:''; position:absolute; top:8px; left:50%; transform:translateX(-50%);
  width:4px; height:8px; background:#fff; border-radius:2px; animation:scrollDot 1.8s infinite;
}
@keyframes scrollDot { 0%{opacity:0;top:8px;} 50%{opacity:1;} 100%{opacity:0;top:22px;} }

/* ==========================================================
   统计数据条
   ========================================================== */
.stats-bar { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat-card {
  text-align: center; padding: 38px 20px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); border-top: 3px solid var(--primary); transition: transform .3s var(--ease);
}
.stat-card:hover { transform: translateY(-6px); }
.stat-num {
  font-size: 48px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 6px;
  font-family: "DIN Alternate", -apple-system, sans-serif;
}
.stat-num .unit { font-size: 22px; color: var(--accent); margin-left: 2px; }
.stat-label { font-size: 15px; color: var(--text-light); }

/* ==========================================================
   通用卡片
   ========================================================== */
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; transition: all .35s var(--ease); height: 100%;
  border: 1px solid var(--line);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card-media { aspect-ratio: 16/10; overflow: hidden; position: relative; background: var(--bg-soft); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 26px; }
.card-title { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.card-desc { font-size: 14px; color: var(--text-light); line-height: 1.7; }

.grid { display: grid; gap: 28px; }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-block; padding: 4px 12px; font-size: 12px; border-radius: 50px;
  background: rgba(0,80,136,.08); color: var(--primary); margin: 2px 4px 2px 0;
}
.tag-blue { background: rgba(0,137,255,.1); color: var(--primary-light); }
.tag-accent { background: rgba(54,207,203,.12); color: #0aa39e; }

/* ==========================================================
   页面 Banner（内页顶部）
   ========================================================== */
.page-banner {
  position: relative; padding: 150px 0 70px; color: #fff; text-align: center;
  background: linear-gradient(135deg, #001a33 0%, #003a64 50%, #005088 100%); overflow: hidden;
}
.page-banner::before {
  content:''; position:absolute; inset:0;
  background-image: radial-gradient(circle at 20% 30%, rgba(54,207,203,.15) 0, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(0,137,255,.2) 0, transparent 40%);
}
.page-banner h1 { font-size: 44px; font-weight: 800; letter-spacing: 2px; position: relative; margin-bottom: 14px; }
.page-banner .crumb { font-size: 14px; color: #aac4dd; position: relative; }
.page-banner .crumb a:hover { color: var(--accent); }

/* ==========================================================
   产品体系（首页 & 产品页）
   ========================================================== */
.product-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 80px;
}
.product-block:nth-child(even) .product-block-media { order: 2; }
.product-block-media {
  border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-hover); position: relative;
}
.product-block-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.product-block-media .code-badge {
  position: absolute; top: 20px; left: 20px; width: 56px; height: 56px;
  background: rgba(0,80,136,.92); color: #fff; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800;
}
.product-block-content .code-text { font-size: 13px; letter-spacing: 4px; color: var(--primary-light); font-weight: 600; }
.product-block-content h3 { font-size: 32px; font-weight: 700; color: var(--ink); margin: 8px 0 6px; }
.product-block-content .tagline { font-size: 16px; color: var(--accent); margin-bottom: 18px; font-weight: 600; }
.product-block-content > p { color: var(--text-light); margin-bottom: 24px; line-height: 1.85; }
.feature-list { display: grid; gap: 16px; }
.feature-item { display: flex; gap: 14px; }
.feature-item .ico {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: rgba(0,80,136,.08);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
}
.feature-item h4 { font-size: 16px; color: var(--ink); margin-bottom: 3px; }
.feature-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

/* 卫星参数卡片网格 */
.sat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.sat-card {
  background: #fff; border-radius: var(--radius); padding: 28px 22px; text-align: center;
  border: 1px solid var(--line); transition: all .3s var(--ease);
}
.sat-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.sat-card .sat-ico {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; display: flex; align-items: center; justify-content: center;
}
.sat-card h4 { font-size: 16px; color: var(--ink); margin-bottom: 10px; }
.sat-card .params { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ==========================================================
   行业应用 / 六大平台
   ========================================================== */
.sol-card {
  position: relative; border-radius: 16px; overflow: hidden; min-height: 380px;
  color: #fff; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 32px; box-shadow: var(--shadow); transition: all .4s var(--ease);
}
.sol-card .bg { position: absolute; inset: 0; z-index: -2; }
.sol-card .bg img { width: 100%; height: 100%; object-fit: cover; }
.sol-card::after {
  content:''; position:absolute; inset:0; z-index:-1;
  background: linear-gradient(to top, rgba(0,18,40,.95) 10%, rgba(0,40,80,.5) 70%, rgba(0,40,80,.2) 100%);
  transition: background .4s;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.sol-card:hover::after { background: linear-gradient(to top, rgba(0,80,136,.95) 10%, rgba(0,80,136,.55) 70%, rgba(0,80,136,.3) 100%); }
.sol-card .sol-code {
  display: inline-block; font-size: 13px; padding: 4px 14px; border: 1px solid rgba(255,255,255,.4);
  border-radius: 50px; margin-bottom: 14px; width: fit-content;
}
.sol-card h3 { font-size: 26px; font-weight: 700; margin-bottom: 4px; }
.sol-card .sol-field { font-size: 14px; color: var(--accent); margin-bottom: 14px; }
.sol-card .sol-platform { font-size: 13px; color: rgba(255,255,255,.75); margin-bottom: 16px; }
.sol-card ul { font-size: 13.5px; color: rgba(255,255,255,.85); line-height: 1.8; }
.sol-card ul li::before { content: '— '; color: var(--accent); }

/* ==========================================================
   技术体系 / 超级工厂
   ========================================================== */
.pillar-card {
  background: #fff; border-radius: 14px; padding: 36px 30px; height: 100%;
  border: 1px solid var(--line); position: relative; overflow: hidden;
  transition: all .35s var(--ease);
}
.pillar-card::before {
  content:''; position:absolute; top:0; left:0; width:100%; height:4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.pillar-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-card .scope {
  display: inline-block; font-size: 12px; padding: 3px 12px; background: rgba(54,207,203,.12);
  color: #0aa39e; border-radius: 50px; margin-bottom: 14px;
}
.pillar-card h4 { font-size: 20px; color: var(--ink); margin-bottom: 18px; }
.pillar-card ul li { font-size: 14px; color: var(--text); padding: 8px 0 8px 24px; position: relative; line-height: 1.7; border-bottom: 1px dashed var(--line); }
.pillar-card ul li:last-child { border-bottom: none; }
.pillar-card ul li::before {
  content:''; position:absolute; left:4px; top:18px; width:8px; height:8px;
  border: 2px solid var(--primary-light); border-radius: 50%;
}

/* 超级工厂特性 */
.factory-features { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; }
.feat-card { text-align: center; padding: 30px 18px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; transition: all .3s var(--ease); }
.feat-card:hover { background: rgba(255,255,255,.1); border-color: var(--accent); transform: translateY(-4px); }
.feat-card .num { font-size: 32px; font-weight: 800; color: var(--accent); margin-bottom: 8px; font-family:"DIN Alternate",sans-serif; }
.feat-card h5 { font-size: 16px; color: #fff; margin-bottom: 8px; }
.feat-card p { font-size: 13px; color: #aac4dd; line-height: 1.65; }

/* 平台流水线 */
.platform-pipe { display: flex; flex-wrap: wrap; justify-content: center; gap: 0; margin-top: 40px; }
.platform-pipe .item {
  padding: 14px 22px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  font-size: 14px; color: #dce8f5; position: relative;
}
.platform-pipe .item:not(:last-child)::after {
  content: '→'; position: absolute; right: -10px; top: 50%; transform: translateY(-50%); color: var(--accent);
}

/* ==========================================================
   星座规划时间轴
   ========================================================== */
.timeline { position: relative; max-width: 1000px; margin: 0 auto; padding: 20px 0; }
.timeline::before {
  content:''; position:absolute; left:50%; top:0; bottom:0; width:2px;
  background: linear-gradient(to bottom, transparent, var(--primary-light) 10%, var(--primary-light) 90%, transparent);
  transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 44px 56px 0; }
.tl-item:nth-child(even) { left: 50%; padding: 0 0 56px 44px; }
.tl-item .tl-dot {
  position: absolute; top: 6px; right: -9px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary); border: 3px solid #fff; box-shadow: 0 0 0 4px rgba(0,80,136,.2); z-index: 2;
}
.tl-item:nth-child(even) .tl-dot { left: -9px; right: auto; }
.tl-card { background: #fff; border-radius: 12px; padding: 26px; box-shadow: var(--shadow); border-left: 4px solid var(--primary); }
.tl-item:nth-child(even) .tl-card { border-left: none; border-right: 4px solid var(--primary); }
.tl-year { display:flex; align-items:baseline; gap:14px; margin-bottom: 8px; }
.tl-year .y { font-size: 30px; font-weight: 800; color: var(--primary); font-family:"DIN Alternate",sans-serif; }
.tl-year .stat { font-size: 14px; color: var(--accent); font-weight: 600; }
.tl-card h4 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.tl-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ==========================================================
   团队
   ========================================================== */
.team-group-title {
  font-size: 24px; font-weight: 700; color: var(--ink); margin: 50px 0 28px;
  display: flex; align-items: center; gap: 14px;
}
.team-group-title::before { content:''; width: 6px; height: 26px; background: var(--primary); border-radius: 3px; }
.team-group-title:first-child { margin-top: 0; }
.member-card {
  background: #fff; border-radius: 14px; padding: 32px 26px; border: 1px solid var(--line);
  transition: all .3s var(--ease); height: 100%;
}
.member-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); border-color: transparent; }
.member-avatar {
  width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; display:flex; align-items:center; justify-content:center; font-size: 26px; font-weight: 700; margin-bottom: 18px;
}
.member-card h4 { font-size: 20px; color: var(--ink); margin-bottom: 4px; }
.member-card .m-title { font-size: 13px; color: var(--primary); margin-bottom: 16px; font-weight: 600; }
.member-card ul li { font-size: 13px; color: var(--text-light); padding: 5px 0 5px 18px; position: relative; line-height: 1.6; }
.member-card ul li::before { content:'·'; position:absolute; left:6px; color: var(--accent); font-weight:bold; }

/* ==========================================================
   新闻
   ========================================================== */
.news-list .news-item {
  display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 28px 0;
  border-bottom: 1px solid var(--line); transition: all .3s var(--ease);
}
.news-item:hover { padding-left: 8px; }
.news-item:hover h4 { color: var(--primary); }
.news-thumb { width: 200px; height: 130px; border-radius: 10px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-item:hover .news-thumb img { transform: scale(1.08); }
.news-meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; display:flex; gap:14px; align-items:center; }
.news-meta .cat { padding: 2px 10px; background: rgba(0,80,136,.08); color: var(--primary); border-radius: 4px; font-size: 12px; }
.news-item h4 { font-size: 20px; color: var(--ink); margin-bottom: 8px; transition: color .3s; }
.news-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* 新闻详情 */
.article { max-width: 860px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: 32px; color: var(--ink); margin-bottom: 16px; }
.article-head .meta { font-size: 14px; color: var(--muted); }
.article-body { font-size: 16px; line-height: 2; color: var(--text); }
.article-body p { margin-bottom: 20px; }
.article-body strong { color: var(--primary); }

/* ==========================================================
   招聘
   =========================================================*/
.job-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 26px 28px;
  transition: all .3s var(--ease); display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center;
}
.job-card:hover { box-shadow: var(--shadow); border-color: var(--primary-light); }
.job-card h4 { font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.job-info { display: flex; gap: 18px; font-size: 13px; color: var(--text-light); flex-wrap: wrap; margin-bottom: 8px; }
.job-info span { display: flex; align-items: center; gap: 5px; }
.job-salary { font-size: 20px; font-weight: 700; color: var(--primary); white-space: nowrap; }

.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.benefit-card { text-align: center; padding: 32px 20px; background: #fff; border-radius: 12px; border: 1px solid var(--line); }
.benefit-card .b-ico { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: rgba(0,80,136,.08); color: var(--primary); display:flex; align-items:center; justify-content:center; }
.benefit-card h5 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.benefit-card p { font-size: 14px; color: var(--text-light); }

/* ==========================================================
   联系我们
   =========================================================*/
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info-item { display: flex; gap: 18px; margin-bottom: 30px; }
.contact-info-item .ico { flex-shrink:0; width: 50px; height: 50px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; display:flex; align-items:center; justify-content:center; }
.contact-info-item h4 { font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.contact-info-item p { font-size: 15px; color: var(--text); }
.form-group { margin-bottom: 20px; }
.form-group label { display:block; font-size: 14px; color: var(--ink); margin-bottom: 8px; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; color: var(--ink); background: #fff; transition: border-color .25s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); }

/* ==========================================================
   页脚
   =========================================================*/
.site-footer { background: var(--bg-blue); color: #8fa5bf; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 48px; }
.footer-brand img { height: 40px; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-col h5 { font-size: 16px; color: #fff; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 14px; color: #8fa5bf; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li { font-size: 14px; margin-bottom: 14px; display:flex; gap:10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; font-size: 13px; color: #6b8099; }

/* ==========================================================
   动画 / 滚动渐入
   =========================================================*/
[data-aos] { opacity: 0; transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-aos="fade-up"] { transform: translateY(40px); }
[data-aos="fade-down"] { transform: translateY(-40px); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="zoom-in"] { transform: scale(.9); }
[data-aos].aos-in { opacity: 1; transform: none; }

/* CTA 区 */
.cta-band {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: #fff; text-align: center; padding: 72px 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content:''; position:absolute; inset:0; pointer-events: none;
  background-image: radial-gradient(circle at 15% 50%, rgba(54,207,203,.25) 0, transparent 35%),
                    radial-gradient(circle at 85% 50%, rgba(255,255,255,.12) 0, transparent 35%);
}
.cta-band h2 { font-size: 34px; font-weight: 700; margin-bottom: 14px; position: relative; }
.cta-band p { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 30px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4, .sat-grid { grid-template-columns: repeat(2,1fr); }
  .factory-features { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr !important; }
  .hero h1 { font-size: 48px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .nav-menu {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column;
    background: rgba(255,255,255,.98); padding: 20px; gap: 0; align-items: stretch;
    transform: translateY(-150%); transition: transform .35s var(--ease); box-shadow: 0 10px 30px rgba(0,0,0,.1);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu .nav-link { color: var(--ink); padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .nav-menu .nav-link::after { display:none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .brand-sub { display: none; }

  .hero h1 { font-size: 36px; }
  .hero p { font-size: 16px; }
  .stats-bar, .grid-2, .grid-3, .grid-4, .sat-grid, .factory-features, .benefit-grid, .contact-wrap, .product-block { grid-template-columns: 1fr; gap: 24px; }
  .product-block:nth-child(even) .product-block-media { order: 0; }
  .product-block { gap: 30px; margin-bottom: 50px; }
  .timeline::before { left: 9px; }
  .tl-item, .tl-item:nth-child(even) { width: 100%; left: 0; padding: 0 0 36px 36px; }
  .tl-item .tl-dot, .tl-item:nth-child(even) .tl-dot { left: 0; right: auto; }
  .news-list .news-item { grid-template-columns: 1fr; }
  .news-thumb { width: 100%; height: 180px; }
  .job-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr !important; }
  .page-banner h1 { font-size: 30px; }
  .platform-pipe { flex-direction: column; align-items: center; }
  .platform-pipe .item:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -22px; transform: translateX(50%); }
}