/* ==========================================================================
   海迪阿姆（HID Arm）公司官网 — 全局样式
   ========================================================================== */

/* ---------- 品牌色 ---------- */
:root {
  --orange:      #FF6B35;
  --orange-deep: #C94C24;
  --gold:        #FFBC42;
  --line-orange: #FF8000;
  --grad: linear-gradient(120deg, var(--orange) 0%, var(--gold) 100%);
  --blue:        #3b82f6;
  --cyan:        #38bdf8;

  --dark-900:    #0f172a;
  --dark-800:    #1e293b;
  --dark-700:    #334155;
  --slate-300:   #cbd5e1;
  --slate-400:   #94a3b8;
  --slate-500:   #64748b;

  --bg:      #ffffff;
  --bg-soft: #f8fafc;
  --border:  #e2e8f0;
  --text:    #1e293b;
  --muted:   #64748b;

  --radius:   14px;
  --radius-s: 8px;
  --shadow:   0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--orange); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--orange-deep); }

.container { width: min(1120px, 92%); margin: 0 auto; }

section { padding: 72px 0; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1, h2, h3 { line-height: 1.3; }
.section-title { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.section-sub { color: var(--muted); font-size: 16px; margin-bottom: 36px; }

.center { text-align: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 18px rgba(255,107,53,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,107,53,.45); color:#fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--orange); color: var(--orange); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

/* ---------- 导航栏 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; color:#fff; }
.nav-logo:hover { color: #fff; }
.nav-logo svg { height: 38px; width: auto; }
.nav-logo .logo-cn { font-size: 20px; font-weight: 800; letter-spacing: 0.04em; }
.nav-logo .logo-en { font-size: 12px; font-weight: 700; color: var(--line-orange); letter-spacing: 0.14em; }

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  color: var(--slate-300);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; background: var(--grad); font-weight: 700; }

.nav-burger { display: none; flex-direction: column; gap: 5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-burger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: 0.25s; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 20% -10%, #1e3a8a55, transparent 60%),
              radial-gradient(1000px 500px at 90% 110%, #FF6B3526, transparent 60%),
              var(--dark-900);
  color: #fff;
  padding: 110px 0 120px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(700px 420px at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(700px 420px at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(255,188,66,0.45);
  color: var(--gold);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 22px;
  background: rgba(255,188,66,0.08);
}
.hero h1 { font-size: 56px; font-weight: 900; margin-bottom: 8px; letter-spacing: 0.02em; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero .hero-en { font-size: 20px; font-weight: 700; color: var(--cyan); letter-spacing: 0.22em; margin-bottom: 20px; }
.hero .hero-lead { max-width: 640px; margin: 0 auto 34px; color: var(--slate-400); font-size: 18px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 卡片 ---------- */
.cards { display: grid; gap: 24px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(255,188,66,0.12));
  font-size: 26px;
  margin-bottom: 16px;
}
.card-icon svg, .card-icon img { width: 100%; height: 100%; border-radius: 12px; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 分栏区段 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-media img, .split-media svg { width: 100%; border-radius: var(--radius); }
.split-media .figure-frame {
  background: var(--dark-900);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: var(--shadow-lg);
}
.bg-soft { background: var(--bg-soft); }
.bg-dark { background: var(--dark-900); color: #fff; }
.bg-dark .section-sub, .bg-dark .muted { color: var(--slate-400); }
.bg-dark .card { background: var(--dark-800); border-color: var(--dark-700); }
.bg-dark .card h3 { color: #fff; }
.bg-dark .card p { color: var(--slate-400); }

/* ---------- 徽标 / 状态 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
}
.badge-dev { background: rgba(255,188,66,0.16); color: #b45309; }
.badge-dev::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #f59e0b; }
.badge-soon { background: rgba(59,130,246,0.14); color: #1d4ed8; }
.badge-soon::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #3b82f6; }
.badge-online { background: rgba(22,163,74,0.14); color: #15803d; }
.badge-online::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #16a34a; }

/* ---------- 统计 / 信息格 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 24px 12px; }
.stat b { display: block; font-size: 30px; font-weight: 900; color: var(--orange); }
.stat span { font-size: 13.5px; color: var(--muted); }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.info-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  padding: 18px 20px;
}
.info-item dt { font-size: 12.5px; color: var(--muted); margin-bottom: 4px; letter-spacing: 0.04em; }
.info-item dd { font-weight: 700; font-size: 15px; }
.bg-dark .info-item { background: var(--dark-800); border-color: var(--dark-700); }
.bg-dark .info-item dt { color: var(--slate-500); }
.bg-dark .info-item dd { color: #fff; }

/* ---------- 产品卡 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 26px; }
.product-card { position: relative; display: flex; flex-direction: column; overflow: hidden; }
.product-card .product-logo {
  width: 84px; height: 84px; border-radius: 20px;
  background: #fff; border: 1px solid var(--border);
  padding: 8px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.product-card .product-logo img { width: 100%; height: 100%; }
.product-card h3 { font-size: 22px; }
.product-card .status-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.product-card .card-meta { margin-top: auto; padding-top: 20px; display: flex; align-items: center; justify-content: space-between; }
.product-card .card-link { font-weight: 700; font-size: 14.5px; }

/* ---------- 下载区 ---------- */
.download-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 28px 0; }
.dl-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: 0.2s;
}
.dl-card:hover { border-color: var(--orange); }
.dl-icon { font-size: 32px; margin-bottom: 10px; }
.dl-card h4 { font-size: 15px; margin-bottom: 2px; }
.dl-card p { font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }

/* ---------- 表单 ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  max-width: 620px;
  margin: 0 auto;
}
.form-card h3 { margin-bottom: 20px; text-align: center; }
.form-grid { display: grid; gap: 16px; }
.form-row { display: grid; gap: 6px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--muted); }
.form-row input, .form-row select, .form-row textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--orange);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-note { text-align: center; font-size: 13px; color: var(--muted); margin-top: 14px; }
.form-msg { display: none; text-align: center; margin-top: 14px; font-size: 14px; font-weight: 600; color: #16a34a; }

/* ---------- 睿体架构 ---------- */
.paa-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: paa; }
.paa-step { position: relative; background: var(--dark-800); border: 1px solid var(--dark-700); border-radius: var(--radius); padding: 28px; }
.paa-step .num {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; font-weight: 900; font-size: 17px;
  margin-bottom: 16px;
}
.paa-step h3 { color: #fff; font-size: 20px; margin-bottom: 4px; }
.paa-step .en { color: var(--cyan); font-size: 12.5px; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 12px; display: block; }
.paa-step .role { color: var(--gold); font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.paa-step ul { list-style: none; color: var(--slate-300); font-size: 14px; }
.paa-step li { padding: 4px 0; padding-left: 18px; position: relative; }
.paa-step li::before { content: "•"; position: absolute; left: 4px; color: var(--orange); }

/* ---------- 联系邮箱 ---------- */
.email-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.email-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: 0.25s;
}
.email-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.email-card .e-ico { font-size: 30px; margin-bottom: 12px; }
.email-card h3 { font-size: 17px; margin-bottom: 4px; }
.email-card p { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.email-card a.mail { font-weight: 700; color: var(--orange); word-break: break-all; }

/* ---------- 招聘 ---------- */
.roles { display: grid; gap: 14px; max-width: 760px; margin: 0 auto; }
.role-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-s);
  padding: 18px 22px; transition: 0.2s;
}
.role-row:hover { border-color: var(--orange); box-shadow: var(--shadow); }
.role-row h4 { font-size: 16px; margin-bottom: 2px; }
.role-row .r-meta { font-size: 13px; color: var(--muted); }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: var(--grad);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { opacity: 0.92; margin-bottom: 24px; }
.cta-band .btn-ghost { border-color: #fff; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--dark-900);
  color: var(--slate-400);
  padding: 56px 0 28px;
  font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer .foot-links { list-style: none; display: grid; gap: 10px; }
.footer .foot-links a { color: var(--slate-400); }
.footer .foot-links a:hover { color: var(--gold); }
.footer .foot-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer .foot-brand svg { height: 40px; }
.footer .foot-brand span { color:#fff; font-size: 20px; font-weight: 800; }
.footer .foot-contacts { list-style: none; display: grid; gap: 8px; }
.footer .foot-contacts a { color: var(--slate-400); }
.footer .foot-contacts a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--slate-500);
}
.footer-bottom a { color: var(--slate-500); text-decoration: none; }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .cards-4, .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .paa-steps { grid-template-columns: 1fr; }
  .download-row { grid-template-columns: repeat(2, 1fr); }
  .email-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 40px; }

  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--dark-900);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 14px 18px 20px;
    transform: translateY(-140%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: none; }
  .nav-links a { display: block; padding: 12px 16px; border-radius: 10px; }
}
@media (max-width: 620px) {
  section { padding: 52px 0; }
  .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .download-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 80px 0 90px; }
  .hero h1 { font-size: 32px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .section-title { font-size: 26px; }
  .product-grid { grid-template-columns: 1fr; }
}