/* ============================================
   盐城北工自动化装置有限公司 - 全站样式
   工业蓝图科技风格 · 清爽大气
   ============================================ */

:root {
  --blueprint-dark: #061a3a;
  --blueprint: #0a2540;
  --primary: #1e3a8a;
  --primary-light: #1e40af;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-glow: rgba(6, 182, 212, 0.35);
  --cyan-line: #67e8f9;
  --bg: #f1f5f9;
  --bg-white: #ffffff;
  --surface: #f8fafc;
  --text: #0f172a;
  --text-2: #334155;
  --text-3: #64748b;
  --border: #e2e8f0;
  --border-2: #cbd5e1;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
  --shadow: 0 4px 16px rgba(10, 37, 64, 0.10);
  --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.14);
  --container: 1240px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========== 通用工具 ========== */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 {
  font-size: 34px; font-weight: 700; color: var(--blueprint);
  position: relative; display: inline-block; padding-bottom: 16px;
}
.section-title h2::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
}
.section-title p { color: var(--text-3); font-size: 16px; margin-top: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius); font-weight: 600;
  font-size: 15px; transition: var(--transition); white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px var(--accent-glow); }
.btn-outline {
  border: 1.5px solid var(--accent); color: var(--accent); background: transparent;
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-dark {
  background: var(--blueprint); color: #fff;
}
.btn-dark:hover { background: var(--primary); }

/* ========== 顶部栏 ========== */
.topbar {
  background: var(--blueprint-dark); color: rgba(255,255,255,0.8);
  font-size: 13px; padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar a { color: rgba(255,255,255,0.85); }
.topbar a:hover { color: var(--accent-light); }
.topbar-left span, .topbar-right span { margin-right: 24px; }
.topbar-right a { margin-left: 18px; }

/* ========== 主导航 ========== */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blueprint), var(--primary));
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light); font-weight: 800; font-size: 20px;
  position: relative; overflow: hidden;
}
.logo-mark::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.12) 1px, transparent 1px);
  background-size: 8px 8px;
}
.logo-text h1 { font-size: 17px; font-weight: 700; color: var(--blueprint); line-height: 1.2; }
.logo-text p { font-size: 11px; color: var(--text-3); letter-spacing: 1px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  padding: 10px 18px; font-size: 15px; font-weight: 500; color: var(--text-2);
  border-radius: 8px; position: relative;
}
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--primary); background: rgba(30,58,138,0.06); }
.nav-menu a.active::after {
  content: ""; position: absolute; bottom: 2px; left: 18px; right: 18px; height: 2px;
  background: var(--accent); border-radius: 2px;
}
.nav-phone {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; font-weight: 700; font-size: 15px;
}
.nav-phone svg { width: 16px; height: 16px; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--blueprint); border-radius: 2px; transition: var(--transition); }

/* ========== 移动端抽屉 ========== */
.mobile-overlay {
  position: fixed; inset: 0; background: rgba(6,26,58,0.5); z-index: 1001;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.mobile-overlay.show { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100vh;
  background: #fff; z-index: 1002; transition: right 0.35s ease;
  padding: 70px 24px 24px; overflow-y: auto;
}
.mobile-drawer.show { right: 0; }
.mobile-drawer .close-drawer {
  position: absolute; top: 18px; right: 18px; font-size: 26px; color: var(--text-3);
}
.mobile-drawer a {
  display: block; padding: 14px 0; font-size: 16px; font-weight: 500;
  color: var(--text-2); border-bottom: 1px solid var(--border);
}
.mobile-drawer a:hover, .mobile-drawer a.active { color: var(--accent); }
.mobile-drawer .m-phone {
  margin-top: 24px; padding: 14px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; text-align: center; font-weight: 700; font-size: 17px;
}

/* ========== 页面横幅（内页） ========== */
.breatcome {
  position: relative; padding: 80px 0 70px; overflow: hidden;
  background: linear-gradient(135deg, var(--blueprint) 0%, var(--primary) 100%);
}
.breatcome::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.breatcome::after {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  border: 1px solid rgba(103,232,249,0.15);
}
.breatcome .container { position: relative; z-index: 1; }
.breatcome-title { color: #fff; font-size: 38px; font-weight: 700; margin-bottom: 10px; }
.breatcome-desc { color: rgba(255,255,255,0.75); font-size: 16px; }
.breadcrumb { margin-top: 16px; color: rgba(255,255,255,0.6); font-size: 14px; }
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--accent-light); }

/* ========== 首页 Hero ========== */
.hero {
  position: relative; min-height: 640px; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--blueprint-dark) 0%, var(--blueprint) 60%, var(--primary) 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-bg {
  position: absolute; right: -5%; top: 50%; transform: translateY(-50%);
  width: 55%; height: 90%; opacity: 0.25;
  background: radial-gradient(circle at center, var(--accent) 0%, transparent 70%);
  filter: blur(40px);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.hero-content h1 {
  color: #fff; font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 20px;
}
.hero-content h1 .hl { color: var(--accent-light); }
.hero-content .sub { color: rgba(255,255,255,0.8); font-size: 18px; margin-bottom: 30px; max-width: 560px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-tag {
  padding: 6px 16px; border-radius: 20px; font-size: 13px;
  background: rgba(6,182,212,0.15); border: 1px solid rgba(103,232,249,0.3);
  color: var(--cyan-line);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  position: relative; display: flex; justify-content: center; align-items: center;
}
.hero-img-wrap {
  width: 100%; max-width: 480px; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(103,232,249,0.25); box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.hero-img-wrap img { width: 100%; height: 360px; object-fit: cover; }

/* ========== 实力指标 ========== */
.stats {
  background: var(--bg-white); margin-top: -50px; position: relative; z-index: 3;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 40px 20px;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 16px; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-num {
  font-size: 42px; font-weight: 800; color: var(--primary);
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-3); font-size: 14px; margin-top: 6px; }

/* ========== 通用卡片网格 ========== */
.card-grid { display: grid; gap: 24px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

/* ========== 产品卡片 ========== */
.product-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.product-img { height: 200px; overflow: hidden; background: var(--surface); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 12px; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.product-body h3 { font-size: 17px; color: var(--blueprint); margin-bottom: 8px; }
.product-desc { color: var(--text-3); font-size: 13px; flex: 1; margin-bottom: 14px; }
.product-link { color: var(--accent); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 4px; }
.product-link:hover { gap: 8px; }

/* ========== 行业方案 ========== */
.solution-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  height: 380px; display: flex; align-items: flex-end;
}
.solution-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.solution-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,26,58,0.92) 0%, rgba(6,26,58,0.3) 60%, transparent 100%);
}
.solution-body { position: relative; z-index: 2; padding: 28px; color: #fff; }
.solution-body .icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.solution-body h3 { font-size: 22px; margin-bottom: 8px; }
.solution-body p { color: rgba(255,255,255,0.8); font-size: 14px; margin-bottom: 14px; }
.solution-body a { color: var(--accent-light); font-weight: 600; font-size: 14px; }

/* ========== 关于概览 ========== */
.about-overview { background: var(--bg-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img img { width: 100%; height: 420px; object-fit: cover; }
.about-text h2 { font-size: 30px; color: var(--blueprint); margin-bottom: 16px; }
.about-text .lead { color: var(--text-2); font-size: 16px; margin-bottom: 20px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.about-feature { display: flex; gap: 10px; align-items: flex-start; }
.about-feature .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 8px; flex-shrink: 0; }
.about-feature span { color: var(--text-2); font-size: 14px; }

/* ========== 快速联系 CTA ========== */
.cta-band {
  background: linear-gradient(135deg, var(--blueprint) 0%, var(--primary) 100%);
  border-radius: var(--radius-lg); padding: 50px 60px; color: #fff;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h3 { font-size: 26px; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.8); }
.cta-phone { font-size: 30px; font-weight: 800; color: var(--accent-light); margin: 4px 0; }

/* ========== 选型计算器 ========== */
.calculator {
  background: var(--bg-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.calc-head {
  background: linear-gradient(135deg, var(--blueprint), var(--primary));
  color: #fff; padding: 30px;
}
.calc-head h3 { font-size: 24px; margin-bottom: 6px; }
.calc-head p { color: rgba(255,255,255,0.75); font-size: 14px; }
.calc-body { padding: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.calc-form .form-group { margin-bottom: 22px; }
.calc-form label { display: block; font-weight: 600; color: var(--text-2); margin-bottom: 8px; font-size: 14px; }
.calc-form label .unit { color: var(--text-3); font-weight: 400; font-size: 13px; }
.calc-form input, .calc-form select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border-2);
  border-radius: var(--radius); font-size: 15px; transition: var(--transition);
  background: var(--surface);
}
.calc-form input:focus, .calc-form select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.calc-hint { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.calc-result {
  background: var(--surface); border-radius: var(--radius); padding: 24px;
  border: 1px dashed var(--border-2); min-height: 300px;
}
.calc-result.empty { display: flex; align-items: center; justify-content: center; color: var(--text-3); text-align: center; }
.result-card {
  background: #fff; border-radius: var(--radius); padding: 20px; margin-bottom: 14px;
  border-left: 4px solid var(--accent); box-shadow: var(--shadow-sm);
}
.result-card h4 { color: var(--blueprint); font-size: 17px; margin-bottom: 8px; }
.result-card .match { color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.result-card p { color: var(--text-3); font-size: 13px; margin-bottom: 12px; }
.result-error { color: var(--danger); background: rgba(239,68,68,0.08); padding: 16px; border-radius: var(--radius); text-align: center; }

/* ========== 产品筛选 ========== */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-btn {
  padding: 8px 20px; border-radius: 20px; font-size: 14px; font-weight: 500;
  background: #fff; border: 1px solid var(--border-2); color: var(--text-2);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* ========== 产品详情 ========== */
.detail-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.detail-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--surface); }
.detail-img img { width: 100%; height: 100%; object-fit: cover; min-height: 400px; }
.detail-info .cat { color: var(--accent); font-weight: 600; font-size: 14px; }
.detail-info h1 { font-size: 32px; color: var(--blueprint); margin: 10px 0 16px; }
.detail-summary { color: var(--text-2); font-size: 16px; margin-bottom: 24px; }
.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.detail-specs { margin-top: 40px; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-table th, .spec-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-table th { background: var(--blueprint); color: #fff; font-weight: 600; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--surface); }

.detail-section { margin-top: 50px; }
.detail-section h2 { font-size: 22px; color: var(--blueprint); margin-bottom: 16px; padding-left: 14px; border-left: 4px solid var(--accent); }
.detail-section p { color: var(--text-2); margin-bottom: 14px; }
.detail-section ul { padding-left: 20px; }
.detail-section ul li { color: var(--text-2); margin-bottom: 8px; list-style: disc; }

/* ========== 联系我们 ========== */
.contact-hero-card {
  background: linear-gradient(135deg, var(--blueprint), var(--primary));
  border-radius: var(--radius-lg); padding: 50px; color: #fff;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  position: relative; overflow: hidden;
}
.contact-hero-card::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(103,232,249,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,232,249,0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}
.contact-hero-card > * { position: relative; z-index: 1; }
.contact-person h3 { font-size: 24px; margin-bottom: 8px; }
.contact-person .name { font-size: 32px; font-weight: 800; color: var(--accent-light); margin: 8px 0; }
.contact-person .role { color: rgba(255,255,255,0.75); margin-bottom: 20px; }
.contact-phone-big {
  display: inline-flex; align-items: center; gap: 12px; padding: 16px 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50px; font-size: 26px; font-weight: 800; color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.contact-phone-big:hover { transform: translateY(-2px); }
.contact-info-list { display: flex; flex-direction: column; gap: 16px; }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-item .ico {
  width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 20px;
}
.contact-info-item h4 { font-size: 14px; color: rgba(255,255,255,0.6); font-weight: 400; }
.contact-info-item p { font-size: 16px; color: #fff; margin-top: 2px; }

.addr-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.addr-card {
  background: #fff; border-radius: var(--radius-lg); padding: 30px;
  border: 1px solid var(--border); transition: var(--transition);
}
.addr-card:hover { box-shadow: var(--shadow); border-color: var(--accent); }
.addr-card .tag { display: inline-block; padding: 4px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; background: rgba(6,182,212,0.1); color: var(--accent); margin-bottom: 14px; }
.addr-card h3 { font-size: 18px; color: var(--blueprint); margin-bottom: 10px; }
.addr-card p { color: var(--text-2); font-size: 14px; }

/* 服务流程 */
.flow-steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 20px 12px; position: relative; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 40px; right: -12px; width: 24px; height: 2px;
  background: var(--accent);
}
.flow-num {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; font-size: 22px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px var(--accent-glow);
}
.flow-step h4 { font-size: 15px; color: var(--blueprint); margin-bottom: 4px; }
.flow-step p { font-size: 12px; color: var(--text-3); }

/* ========== 新闻 ========== */
.news-list { display: grid; gap: 20px; }
.news-item {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px;
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: var(--transition);
}
.news-item:hover { box-shadow: var(--shadow); border-color: var(--accent); transform: translateY(-2px); }
.news-img { height: 100%; min-height: 160px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 20px 24px 20px 0; }
.news-date { font-size: 13px; color: var(--accent); font-weight: 600; }
.news-body h3 { font-size: 19px; color: var(--blueprint); margin: 8px 0 10px; }
.news-body p { color: var(--text-3); font-size: 14px; margin-bottom: 12px; }
.news-body a { color: var(--accent); font-weight: 600; font-size: 14px; }

.news-detail-content { max-width: 820px; margin: 0 auto; background: #fff; padding: 50px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.news-detail-content h1 { font-size: 30px; color: var(--blueprint); margin-bottom: 14px; }
.news-meta { color: var(--text-3); font-size: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.news-detail-content p { color: var(--text-2); margin-bottom: 18px; }
.news-detail-content img { border-radius: var(--radius); margin: 20px 0; }

/* ========== 页脚 ========== */
.footer { background: var(--blueprint-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); }
.footer-about .logo-text h1 { color: #fff; }
.footer-about p { font-size: 13px; margin-top: 12px; line-height: 1.8; }
.footer-links a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-links a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-contact p { font-size: 14px; margin-bottom: 12px; display: flex; gap: 8px; }
.footer-contact .icon { color: var(--accent-light); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  text-align: center; font-size: 13px; color: rgba(255,255,255,0.5);
}

/* ========== 404 ========== */
.page-404 { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--blueprint-dark), var(--blueprint)); color: #fff; text-align: center; padding: 40px; }
.page-404 h1 { font-size: 120px; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.page-404 h2 { font-size: 28px; margin: 20px 0 10px; }
.page-404 p { color: rgba(255,255,255,0.7); margin-bottom: 30px; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .flow-step:nth-child(3n)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 26px; }
  .topbar-right span { display: none; }
  .nav-menu, .nav-phone { display: none; }
  .menu-toggle { display: flex; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 32px; }
  .hero-img-wrap { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .about-grid, .detail-wrap, .addr-cards, .contact-hero-card, .calc-body { grid-template-columns: 1fr; }
  .card-grid.cols-4, .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
  .cta-band { padding: 30px; }
  .cta-phone { font-size: 24px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(2n)::after { display: none; }
  .news-item { grid-template-columns: 1fr; }
  .news-body { padding: 16px 20px 20px; }
  .news-img { min-height: 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .breatcome-title { font-size: 28px; }
  .detail-img img { min-height: 280px; }
  .contact-hero-card { padding: 30px; }
  .contact-phone-big { font-size: 20px; padding: 12px 24px; }
  .news-detail-content { padding: 24px; }
}