/* ============================================================
   修远科技（天津）有限公司 — 企业官网
   全局样式 | 简约大气 · 深蓝科技 + 能源琥珀
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --primary: #0b2a4a;          /* 深海军蓝（主品牌色） */
  --primary-dark: #071e36;     /* 更深蓝（页脚/深色区） */
  --primary-mid: #123a63;
  --accent: #0ea5e9;           /* 科技青 */
  --accent-dark: #0284c7;
  --amber: #f5a623;            /* 能源琥珀（点缀色） */
  --text: #1e2a38;             /* 主文本 */
  --text-light: #5a6b7e;       /* 次级文本 */
  --bg: #ffffff;
  --bg-gray: #f5f7fa;          /* 浅灰底 */
  --bg-deep: #0b2a4a;
  --border: #e4e9f0;
  --shadow-sm: 0 2px 10px rgba(11, 42, 74, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 42, 74, 0.10);
  --shadow-lg: 0 24px 56px rgba(11, 42, 74, 0.16);
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1200px;
  --nav-h: 76px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

::selection { background: rgba(14, 165, 233, 0.22); }

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

.section { padding: 96px 0; }
.section--gray { background: var(--bg-gray); }
.section--deep { background: var(--bg-deep); color: #fff; }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head--left { margin: 0 0 48px; text-align: left; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  color: var(--accent-dark); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--amber); }

.section--deep .eyebrow { color: #7dd3fc; }

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700; line-height: 1.25; letter-spacing: 0.01em;
  color: var(--primary);
}
.section--deep .section-title { color: #fff; }

.section-sub { margin-top: 16px; font-size: 17px; color: var(--text-light); }
.section--deep .section-sub { color: rgba(255, 255, 255, 0.72); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1;
  border: 1.5px solid transparent;
  transition: all 0.28s ease; white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14, 165, 233, 0.35); }

.btn-outline { border-color: rgba(255, 255, 255, 0.45); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; transform: translateY(-2px); }

.btn-ghost { border-color: var(--border); color: var(--primary); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ============================================================
   顶部导航
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0;
}
.logo-mark svg { width: 22px; height: 22px; }
.logo-text { line-height: 1.2; }
.logo-name { font-size: 17px; font-weight: 700; color: var(--primary); letter-spacing: 0.02em; }
.logo-en { font-size: 10.5px; font-weight: 600; letter-spacing: 0.22em; color: var(--text-light); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 38px; }
.nav-link {
  position: relative; font-size: 15px; font-weight: 500; color: var(--text);
  padding: 6px 0; transition: color 0.25s;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2.5px; border-radius: 2px;
  background: var(--accent); transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta { margin-left: 12px; padding: 11px 26px; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--border);
  border-radius: 10px; background: #fff; align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--primary); }
.nav-toggle .icon-close { display: none; }
.nav-toggle.open .icon-menu { display: none; }
.nav-toggle.open .icon-close { display: block; }

/* ============================================================
   Hero（首页）
   ============================================================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 48px) 0 96px;
  background: linear-gradient(160deg, #081c33 0%, var(--primary) 48%, #0d3a63 100%);
  color: #fff; overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 75%);
}
.hero-glow {
  position: absolute; width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.22) 0%, transparent 62%);
  top: -180px; right: -140px; filter: blur(10px); pointer-events: none;
}
.hero-glow--amber {
  width: 480px; height: 480px; bottom: -220px; left: -160px; top: auto; right: auto;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.14) 0%, transparent 62%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px; font-weight: 500; letter-spacing: 0.08em; color: #bae6fd;
  margin-bottom: 26px;
}
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.25); }

.hero-title {
  font-size: clamp(36px, 5.2vw, 60px);
  font-weight: 700; line-height: 1.18; letter-spacing: 0.01em;
}
.hero-title .hl { color: #7dd3fc; }
.hero-title .hl-amber { color: var(--amber); }

.hero-desc { margin: 24px 0 38px; font-size: 18px; color: rgba(255, 255, 255, 0.78); max-width: 560px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; }
.hero-tags span {
  font-size: 13px; color: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 999px;
  padding: 7px 16px; background: rgba(255, 255, 255, 0.04);
}

/* Hero 右侧视觉：钻井平台抽象图 */
.hero-visual { position: relative; }
.hero-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px dashed rgba(125, 211, 252, 0.28);
  animation: spin 46s linear infinite;
}
.hero-ring--inner { inset: 12%; border-color: rgba(245, 166, 35, 0.25); animation-duration: 34s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-platform {
  position: relative; z-index: 2; aspect-ratio: 1; max-width: 460px; margin: 0 auto;
  background: radial-gradient(circle at 50% 42%, rgba(14, 165, 233, 0.16), transparent 68%);
  display: flex; align-items: center; justify-content: center;
}
.hero-platform svg { width: 88%; height: 88%; filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.35)); }

.float-chip {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px); font-size: 13.5px; color: #e0f2fe;
  box-shadow: var(--shadow-md); animation: float 5.5s ease-in-out infinite;
}
.float-chip .ic { width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; background: rgba(14, 165, 233, 0.22); }
.float-chip .ic svg { width: 18px; height: 18px; stroke: #7dd3fc; }
.float-chip small { display: block; font-size: 11px; color: rgba(255, 255, 255, 0.55); }
.float-chip b { font-size: 13.5px; font-weight: 600; }

.chip-a { top: 14%; left: -2%; animation-delay: 0s; }
.chip-b { bottom: 20%; left: -6%; animation-delay: 1.4s; }
.chip-c { top: 38%; right: -4%; animation-delay: 2.6s; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- 子页面 Hero ---------- */
.page-hero {
  position: relative; padding: calc(var(--nav-h) + 72px) 0 76px;
  background: linear-gradient(155deg, #081c33, var(--primary) 55%, #0d3a63);
  color: #fff; overflow: hidden; text-align: center;
}
.page-hero .hero-grid-bg { mask-image: none; -webkit-mask-image: none; opacity: 0.7; }
.page-hero .hero-glow { top: -220px; right: -120px; }
.page-title { font-size: clamp(32px, 4.6vw, 48px); font-weight: 700; letter-spacing: 0.01em; position: relative; z-index: 2; }
.page-crumb { margin-top: 14px; font-size: 14px; color: rgba(255, 255, 255, 0.6); position: relative; z-index: 2; }
.page-crumb a { color: #7dd3fc; transition: color 0.2s; }
.page-crumb a:hover { color: #fff; }
.page-hero-desc { max-width: 640px; margin: 18px auto 0; font-size: 17px; color: rgba(255, 255, 255, 0.75); position: relative; z-index: 2; }

/* ============================================================
   数据统计条
   ============================================================ */
.stats {
  position: relative; z-index: 5; margin-top: -56px;
}
.stats-card {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  display: grid; grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat-item { padding: 36px 28px; text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: 0; top: 22%; height: 56%;
  width: 1px; background: var(--border);
}
.stat-num {
  font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; color: var(--primary);
  line-height: 1; letter-spacing: 0.01em;
}
.stat-num .suffix { color: var(--amber); font-size: 0.72em; margin-left: 2px; }
.stat-label { margin-top: 10px; font-size: 14px; color: var(--text-light); }

/* ============================================================
   通用卡片
   ============================================================ */
.card {
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 34px 30px;
  transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #d3deeb; }

.card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(11, 42, 74, 0.08));
  color: var(--accent-dark); margin-bottom: 22px;
}
.card-icon svg { width: 27px; height: 27px; stroke-width: 1.7; }
.card-icon--amber { background: linear-gradient(135deg, rgba(245, 166, 35, 0.16), rgba(245, 166, 35, 0.05)); color: #c97f06; }

.card h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--text-light); }
.card-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14px; font-weight: 600; color: var(--accent-dark);
}
.card-link svg { width: 15px; height: 15px; transition: transform 0.25s; }
.card:hover .card-link svg { transform: translateX(4px); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* ============================================================
   首页-解决方案（深色区）
   ============================================================ */
.solution-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.solution-points { margin-top: 34px; display: grid; gap: 20px; }
.solution-point { display: flex; gap: 16px; }
.solution-point .num {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px;
  background: rgba(14, 165, 233, 0.16); color: #7dd3fc;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
}
.solution-point b { display: block; font-size: 16.5px; color: #fff; margin-bottom: 4px; }
.solution-point p { font-size: 14px; color: rgba(255, 255, 255, 0.62); line-height: 1.7; }

.solution-panel {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg); padding: 38px; backdrop-filter: blur(6px);
}
.solution-panel h4 { font-size: 18px; color: #fff; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.solution-panel h4::before { content: ""; width: 5px; height: 20px; border-radius: 3px; background: var(--amber); }
.flow-line { display: grid; gap: 0; }
.flow-step { display: flex; gap: 18px; position: relative; padding-bottom: 26px; }
.flow-step:last-child { padding-bottom: 0; }
.flow-step::before {
  content: ""; position: absolute; left: 15px; top: 34px; bottom: 4px;
  width: 2px; background: linear-gradient(rgba(125, 211, 252, 0.5), rgba(125, 211, 252, 0.08));
}
.flow-step:last-child::before { display: none; }
.flow-dot {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
  background: rgba(14, 165, 233, 0.18); border: 1.5px solid #38bdf8;
  display: flex; align-items: center; justify-content: center;
  font-size: 12.5px; font-weight: 700; color: #7dd3fc;
}
.flow-body b { display: block; font-size: 15.5px; color: #fff; margin-bottom: 3px; }
.flow-body p { font-size: 13.5px; color: rgba(255, 255, 255, 0.58); }

/* ============================================================
   技术优势
   ============================================================ */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tech-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; transition: all 0.3s;
}
.tech-item:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.tech-item .t-ic { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; color: var(--accent-dark); }
.tech-item .t-ic svg { width: 24px; height: 24px; }
.tech-item b { display: block; font-size: 16px; color: var(--primary); margin-bottom: 8px; }
.tech-item p { font-size: 13px; color: var(--text-light); }

/* ============================================================
   CTA 条
   ============================================================ */
.cta-band {
  background: linear-gradient(120deg, var(--primary) 0%, #0d3f6e 60%, var(--accent-dark) 130%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  color: #fff; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.28), transparent 70%);
}
.cta-band h3 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, 0.74); font-size: 15.5px; }
.cta-band .btn { position: relative; z-index: 2; flex-shrink: 0; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: #eaf4ff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.72); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer .logo-name { color: #fff; }
.footer .logo-en { color: rgba(255, 255, 255, 0.45); }
.footer-desc { margin-top: 18px; font-size: 14px; line-height: 1.85; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 22px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.8); transition: all 0.25s;
}
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-3px); }
.footer-social svg { width: 17px; height: 17px; }

.footer h5 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 0.04em; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; transition: color 0.2s, padding-left 0.2s; }
.footer-links a:hover { color: #7dd3fc; padding-left: 4px; }

.footer-contact li { display: flex; gap: 12px; margin-bottom: 15px; font-size: 14px; line-height: 1.7; }
.footer-contact svg { width: 17px; height: 17px; color: var(--amber); flex-shrink: 0; margin-top: 3px; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0; font-size: 13px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: #7dd3fc; }

/* ============================================================
   关于我们
   ============================================================ */
.about-intro { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.about-intro p { color: var(--text-light); font-size: 15.5px; margin-bottom: 18px; }
.about-intro p b { color: var(--primary); font-weight: 600; }

.about-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-visual .ph {
  aspect-ratio: 4 / 3; background: linear-gradient(135deg, #0d3a63, var(--primary), #081c33);
  display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.85);
  position: relative;
}
.about-visual .ph svg { width: 54%; height: 54%; opacity: 0.9; }
.about-badge {
  position: absolute; left: 20px; bottom: 20px; right: 20px;
  background: rgba(7, 30, 54, 0.82); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px; padding: 16px 20px; color: #fff;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.about-badge .b-num { font-size: 20px; font-weight: 800; color: var(--amber); }
.about-badge .b-lb { font-size: 12.5px; color: rgba(255, 255, 255, 0.65); }

/* 价值观 */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-item { text-align: center; padding: 36px 22px; }
.value-item .v-ic {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.14), rgba(11, 42, 74, 0.08));
  display: flex; align-items: center; justify-content: center; color: var(--accent-dark);
}
.value-item .v-ic svg { width: 28px; height: 28px; }
.value-item h4 { font-size: 17px; color: var(--primary); margin-bottom: 10px; }
.value-item p { font-size: 13.5px; color: var(--text-light); }

/* 发展历程时间线 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 10px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(#0ea5e9, #e4e9f0);
}
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -34px; top: 6px;
  width: 22px; height: 22px; border-radius: 50%;
  background: #fff; border: 5px solid var(--accent);
  box-shadow: 0 0 0 5px rgba(14, 165, 233, 0.14);
}
.tl-year { font-size: 13px; font-weight: 700; color: var(--amber); letter-spacing: 0.06em; margin-bottom: 6px; }
.tl-item h4 { font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.tl-item p { font-size: 14.5px; color: var(--text-light); max-width: 640px; }

/* 资质荣誉 */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.honor-card { display: flex; gap: 18px; align-items: flex-start; }
.honor-card .h-ic { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; color: var(--accent-dark); }
.honor-card .h-ic svg { width: 22px; height: 22px; }
.honor-card b { display: block; font-size: 15.5px; color: var(--primary); margin-bottom: 5px; }
.honor-card p { font-size: 13.5px; color: var(--text-light); }

/* ============================================================
   产品服务
   ============================================================ */
.product-card { display: flex; flex-direction: column; }
.product-card .tag {
  display: inline-flex; align-self: flex-start; font-size: 12px; font-weight: 600;
  padding: 5px 13px; border-radius: 999px; margin-bottom: 14px;
  background: rgba(14, 165, 233, 0.1); color: var(--accent-dark);
}
.product-card .tag--amber { background: rgba(245, 166, 35, 0.14); color: #b57106; }
.product-features { margin-top: 16px; display: grid; gap: 10px; }
.product-features li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--text-light); }
.product-features svg { width: 16px; height: 16px; color: #16a34a; flex-shrink: 0; margin-top: 4px; }

/* 产品大图展示区 */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.showcase-item {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); min-height: 340px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 34px; color: #fff; transition: transform 0.32s ease, box-shadow 0.32s ease;
}
.showcase-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.showcase-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 28, 51, 0.05) 30%, rgba(8, 28, 51, 0.88) 100%); }
.showcase-item > * { position: relative; z-index: 2; }
.showcase-item .sc-art { position: absolute; top: 20px; right: 20px; z-index: 1; width: 140px; height: 140px; opacity: 0.9; }
.showcase-item .sc-art svg { width: 100%; height: 100%; }
.showcase-item .sc-tag { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 10px; }
.showcase-item h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.showcase-item p { font-size: 14px; color: rgba(255, 255, 255, 0.78); max-width: 420px; }

.sc-1 { background: linear-gradient(135deg, #0d3a63, #0b2a4a); }
.sc-2 { background: linear-gradient(135deg, #0b2a4a, #081c33); }
.sc-3 { background: linear-gradient(135deg, #0d3f6e, #0284c7); }
.sc-4 { background: linear-gradient(135deg, #123a63, #0b2a4a); }

/* 行业方案 */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.industry-card { text-align: center; padding: 40px 30px; }
.industry-card .in-ic {
  width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%;
  background: var(--bg-gray); display: flex; align-items: center; justify-content: center;
  color: var(--accent-dark); border: 1px solid var(--border); transition: all 0.3s;
}
.industry-card:hover .in-ic { background: var(--primary); color: #fff; border-color: var(--primary); transform: scale(1.06); }
.industry-card .in-ic svg { width: 32px; height: 32px; }
.industry-card h4 { font-size: 17.5px; color: var(--primary); margin-bottom: 10px; }
.industry-card p { font-size: 14px; color: var(--text-light); }

/* 服务流程（横向） */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { position: relative; text-align: center; padding: 0 8px; }
.process-step .p-num {
  width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; box-shadow: 0 10px 22px rgba(11, 42, 74, 0.28);
}
.process-step h4 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-light); }
.process-step::after {
  content: ""; position: absolute; top: 26px; left: calc(50% + 42px); width: calc(100% - 84px);
  border-top: 2px dashed #cdd9e6;
}
.process-step:last-child::after { display: none; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }

.contact-info-card { background: var(--primary); color: #fff; border-radius: var(--radius-lg); padding: 44px 38px; position: relative; overflow: hidden; }
.contact-info-card::after {
  content: ""; position: absolute; right: -80px; bottom: -80px; width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3), transparent 68%);
}
.contact-info-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 2; }
.contact-info-card > p { color: rgba(255, 255, 255, 0.68); font-size: 14.5px; margin-bottom: 32px; position: relative; z-index: 2; }
.ci-list { display: grid; gap: 22px; position: relative; z-index: 2; }
.ci-item { display: flex; gap: 16px; }
.ci-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex; align-items: center; justify-content: center; color: var(--amber);
}
.ci-icon svg { width: 20px; height: 20px; }
.ci-item small { display: block; font-size: 12px; color: rgba(255, 255, 255, 0.55); margin-bottom: 3px; }
.ci-item b { font-size: 15px; font-weight: 600; color: #fff; line-height: 1.6; }
.ci-item b a:hover { color: #7dd3fc; }

.contact-form-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 40px 38px; box-shadow: var(--shadow-md);
}
.contact-form-card h3 { font-size: 22px; color: var(--primary); margin-bottom: 6px; }
.contact-form-card > p { font-size: 14px; color: var(--text-light); margin-bottom: 28px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group--full { grid-column: 1 / -1; }
.form-group label { font-size: 13.5px; font-weight: 600; color: var(--primary); }
.form-group label .req { color: #dc2626; }
.form-control {
  padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 14.5px; color: var(--text); background: #fbfcfe;
  transition: border-color 0.25s, box-shadow 0.25s; width: 100%; resize: vertical;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12); background: #fff; }
.form-control::placeholder { color: #a3b1c2; }
textarea.form-control { min-height: 130px; }

.form-tip { font-size: 12.5px; color: var(--text-light); margin-top: 14px; }
.form-success {
  display: none; margin-top: 16px; padding: 14px 18px; border-radius: 10px;
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; font-size: 14px;
}
.form-success.show { display: block; }

/* 地图占位 */
.map-band { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); position: relative; }
.map-placeholder {
  aspect-ratio: 21 / 5; min-height: 240px;
  background: linear-gradient(135deg, #eaf2fb 0%, #dde9f6 50%, #eaf4ea 100%);
  position: relative; display: flex; align-items: center; justify-content: center;
}
.map-placeholder .pin { position: absolute; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.map-placeholder .pin-ic { width: 46px; height: 46px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--amber); display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 24px rgba(245, 166, 35, 0.4); animation: bounce 2.2s ease-in-out infinite; }
.map-placeholder .pin-ic svg { width: 20px; height: 20px; transform: rotate(45deg); color: #fff; }
.map-placeholder .pin-label { background: #fff; border: 1px solid var(--border); padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--primary); box-shadow: var(--shadow-sm); }
@keyframes bounce { 0%, 100% { transform: translateY(0) rotate(-45deg); } 50% { transform: translateY(-10px) rotate(-45deg); } }
.map-note { position: absolute; right: 14px; bottom: 12px; font-size: 12px; color: var(--text-light); background: rgba(255, 255, 255, 0.85); padding: 4px 12px; border-radius: 999px; }

/* ============================================================
   滚动进场动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 440px; margin: 0 auto; width: 100%; }
  .grid-4, .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .process-step:nth-child(2)::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md); padding: 12px 24px 20px;
    transform: translateY(-140%); transition: transform 0.35s ease; z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 14px 4px; font-size: 16px; border-bottom: 1px solid #f0f3f8; }
  .nav-link:last-child { border-bottom: none; }
  .nav-link::after { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .solution-wrap { grid-template-columns: 1fr; gap: 44px; }
  .stats-card { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
  .stat-item { padding: 26px 18px; }
  .about-intro { grid-template-columns: 1fr; gap: 44px; }
  .showcase { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4, .tech-grid, .values-grid, .industry-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 44px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .chip-a { left: 0; }
  .chip-c { right: 0; }
  .hero-actions .btn { width: 100%; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step::after { display: none; }
  .stats { margin-top: -40px; }
  .hero-platform svg { width: 100%; }
}