/* ============================================================
   厦门保盟科技有限公司 · 企业网站样式
   纯静态、无外链依赖（不引 CDN，离线也能打开 ✓）
   ============================================================ */

:root {
  --primary: #0f4cbe;
  --primary-dark: #0a3a94;
  --primary-soft: #eaf1fe;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #5b6675;   /* 2026-10-13 无障碍：原 #7c8798 在白/浅底上仅 3.64:1，未达 AA 4.5:1 → 加深到 5.82:1（同色系灰，设计体系不变）*/
  --line: #e3e8f0;
  --bg: #ffffff;
  --soft: #f5f8fd;
  --dark: #0b1e3d;
  --radius: 14px;
  --shadow: 0 8px 26px rgba(15, 35, 80, .07);
  --shadow-lg: 0 18px 46px rgba(15, 35, 80, .13);
}

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

html { scroll-behavior: smooth; }

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

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

.wrap { width: min(1180px, 92vw); margin: 0 auto; }

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 22px rgba(15, 76, 190, .22); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 14px 28px rgba(15, 76, 190, .3); }
.btn-line { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-line:hover { background: var(--primary-soft); }
.btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { background: rgba(255, 255, 255, .22); }
.btn-block { width: 100%; }

.tag {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: .3px;
}

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.nav.scrolled { border-color: var(--line); box-shadow: 0 6px 20px rgba(15, 35, 80, .06); }
.nav-in { display: flex; align-items: center; gap: 18px; height: 68px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #2f6fed);
  color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(15, 76, 190, .28);
}
.brand-tx b { display: block; font-size: 16px; letter-spacing: .2px; }
.brand-tx i {
  display: block; font-style: normal; font-size: 11.5px; color: var(--ink-3);
  white-space: nowrap;   /* 加长后不折行 ✓ */
}

.menu { display: flex; align-items: center; gap: 24px; margin-left: auto; flex-wrap: nowrap; }
.menu a {
  font-size: 15px; color: var(--ink-2); position: relative; padding: 4px 0;
  white-space: nowrap;   /* 导航永不折行（之前 11 项挤成两行 ✗）*/
}
.menu a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--primary); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .22s ease;
}
.menu a:hover { color: var(--primary); }
.menu a:hover::after, .menu a.active::after { transform: scaleX(1); }

.nav-act { display: flex; align-items: center; gap: 10px; }
.burger {
  display: none; width: 44px; height: 44px; border-radius: 10px;   /* 触控目标 44×44 ✓（原 42×42）*/
  border: 1px solid var(--line); background: #fff;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.burger span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- 首屏 ---------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: radial-gradient(120% 120% at 12% 0%, #1a58cc 0%, #0f4cbe 34%, #0a2f70 100%);
  padding: 76px 0 0;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, .18), transparent 42%),
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}
.hero-in {
  position: relative; display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 46px; align-items: center; padding-bottom: 54px;
}
.hero-tx .tag { background: rgba(255, 255, 255, .16); color: #dce8ff; }
.hero h1 {
  font-size: clamp(30px, 4.4vw, 52px); line-height: 1.22; margin: 16px 0 14px;
  letter-spacing: -.5px;
}
.hero h1 em { font-style: normal; color: #ffd977; }
.hero p { color: rgba(255, 255, 255, .86); font-size: 16px; max-width: 46ch; }
.hero-btns { display: flex; gap: 12px; margin: 26px 0 18px; flex-wrap: wrap; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 20px; color: rgba(255, 255, 255, .84); font-size: 14px; }
.hero-points li { position: relative; padding-left: 18px; }
.hero-points li::before {
  content: '✓'; position: absolute; left: 0; color: #7ff0b0; font-weight: 700;
}

.hero-card {
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 18px; padding: 16px; backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hc-head { display: flex; align-items: center; gap: 6px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.hc-head .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .45); }
.hc-head span { margin-left: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .8); }
.hc-list { display: grid; gap: 8px; margin-top: 12px; }
.hc-list li {
  display: flex; align-items: baseline; gap: 10px;
  background: rgba(255, 255, 255, .08); border-radius: 10px; padding: 9px 12px;
}
.hc-list b { font-size: 14px; flex: none; }
.hc-list span { font-size: 12.5px; color: rgba(255, 255, 255, .74); }
.hc-foot { margin-top: 12px; font-size: 12.5px; color: rgba(255, 255, 255, .8); text-align: center; }

.stats {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; padding: 22px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.stat { text-align: center; }
.stat b { display: block; font-size: 30px; letter-spacing: -.5px; }
.stat b::after { content: '+'; font-size: 18px; color: #ffd977; margin-left: 2px; }
.stat:last-child b::after { content: ''; }
.stat span { font-size: 13px; color: rgba(255, 255, 255, .78); }

/* ---------------- 区块 ---------------- */
.sec { padding: 76px 0; }
.sec-soft { background: var(--soft); }
.sec-dark { background: var(--dark); color: #fff; }
.sec-dark .tag { background: rgba(255, 255, 255, .14); color: #cfe0ff; }
.sec-head { max-width: 720px; margin-bottom: 34px; }
.sec-head h2 { font-size: clamp(24px, 2.7vw, 34px); line-height: 1.3; margin: 14px 0 10px; letter-spacing: -.4px; }
.sec-head p { color: var(--ink-2); }
.sec-dark .sec-head p { color: rgba(255, 255, 255, .78); }

.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* 业务卡 */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.card h3 { font-size: 16.5px; margin: 12px 0 6px; }
.card p { font-size: 14px; color: var(--ink-2); }
.ic {
  width: 44px; height: 44px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center;
}
.ic svg { width: 22px; height: 22px; }
.ic-blue { background: #e8f0fe; color: #1a56db; }
.ic-teal { background: #e6f7f3; color: #0d9488; }
.ic-indigo { background: #ecebff; color: #4f46e5; }
.ic-orange { background: #fff3e4; color: #d97706; }
.ic-purple { background: #f3e9ff; color: #7c3aed; }
.ic-green { background: #e8f8ec; color: #16a34a; }
.ic-cyan { background: #e5f6fe; color: #0284c7; }
.ic-rose { background: #ffe9ef; color: #e11d48; }

/* 优势 */
.adv {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius); padding: 22px;
}
.adv-n { font-size: 22px; font-weight: 800; color: #ffd977; letter-spacing: 1px; }
.adv h3 { font-size: 17px; margin: 8px 0 6px; }
.adv p { font-size: 14px; color: rgba(255, 255, 255, .78); }

/* 流程 */
.flow { counter-reset: f; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.flow li {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 16px 18px;
}
.flow li::before {
  counter-increment: f; content: counter(f, decimal-leading-zero);
  position: absolute; top: -14px; left: 16px;
  width: 34px; height: 28px; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 14px rgba(15, 76, 190, .24);
}
.flow b { display: block; margin: 12px 0 4px; font-size: 16px; }
.flow span { font-size: 13.5px; color: var(--ink-2); }

/* 案例 */
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.case-img {
  height: 150px; display: flex; align-items: flex-end; padding: 14px;
  color: #fff; font-weight: 600; font-size: 14px;
}
.case-img span { background: rgba(0, 0, 0, .45); padding: 4px 10px; border-radius: 999px; backdrop-filter: blur(4px); }
.ci-1 { background: linear-gradient(135deg, #1d4ed8, #0ea5e9); }
.ci-2 { background: linear-gradient(135deg, #0f766e, #22c55e); }
.ci-3 { background: linear-gradient(135deg, #7c3aed, #4338ca); }
.case-body { padding: 18px; }
.case-body h3 { font-size: 16.5px; }
.case-body p { font-size: 14px; color: var(--ink-2); margin: 6px 0 10px; }
.case-pts { display: flex; flex-wrap: wrap; gap: 8px; }
.case-pts li {
  font-size: 12.5px; color: var(--primary); background: var(--primary-soft);
  padding: 3px 10px; border-radius: 999px;
}

/* 关于 */
.about { display: grid; grid-template-columns: 1.35fr .65fr; gap: 36px; align-items: start; }
.about-tx h2 { font-size: clamp(22px, 2.4vw, 30px); margin: 12px 0 14px; }
.about-tx p { color: var(--ink-2); margin-bottom: 12px; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.about-facts > div { background: var(--soft); border-radius: 12px; padding: 12px 14px; }
.about-facts b { display: block; font-size: 13px; color: var(--ink-3); font-weight: 600; }
.about-facts span { font-size: 14px; }
.note { font-size: 12.5px; color: var(--ink-3); }
.about-side { display: grid; gap: 16px; }
.as-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.as-card h4 { font-size: 15.5px; margin-bottom: 10px; }
.as-card ul { display: grid; gap: 8px; }
.as-card li { position: relative; padding-left: 18px; font-size: 14px; color: var(--ink-2); }
.as-card li::before { content: '·'; position: absolute; left: 6px; top: -1px; color: var(--primary); font-weight: 900; }
.as-cta { background: linear-gradient(150deg, #eaf1fe, #fff); }
.as-cta p { font-size: 13.5px; color: var(--ink-2); margin-bottom: 12px; }

/* 联系 */
.contact { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: start; }
.contact-tx h2 { font-size: clamp(22px, 2.4vw, 30px); margin: 12px 0 18px; }
.contact-list { display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; }
.ci {
  width: 38px; height: 38px; flex: none; border-radius: 10px;
  background: rgba(255, 255, 255, .12); display: flex; align-items: center; justify-content: center;
}
.ci svg { width: 19px; height: 19px; }
.contact-list b { font-size: 14.5px; }
.contact-list p { font-size: 14px; color: rgba(255, 255, 255, .78); }
.ph { font-style: normal; color: #ffd977; }
.sec-dark .note { color: rgba(255, 255, 255, .6); }

.form { background: #fff; color: var(--ink); border-radius: 16px; padding: 22px; box-shadow: var(--shadow-lg); }
.form h3 { font-size: 18px; margin-bottom: 14px; }
.f-row { margin-bottom: 12px; }
.f-row label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 5px; }
.f-row input, .f-row select, .f-row textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font-size: 15px; transition: border-color .18s, box-shadow .18s;
}
.f-row input:focus, .f-row select:focus, .f-row textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 76, 190, .13);
}
.f-row textarea { resize: vertical; }
.form-tip { font-size: 12.5px; color: var(--ink-3); margin-top: 10px; text-align: center; }
.form-tip.ok { color: #15803d; font-weight: 600; }   /* 无障碍：原 #16a34a 在白底 3.30:1 → #15803d 5.01:1 ✓ */
.form-tip.bad { color: #dc2626; font-weight: 600; }

/* 页脚 */
.foot { background: #06152c; color: rgba(255, 255, 255, .8); padding: 30px 0; }
.foot-in { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.foot-brand { display: flex; align-items: center; gap: 11px; }
.foot-brand b { display: block; color: #fff; font-size: 15px; }
.foot-brand p { font-size: 12.5px; color: rgba(255, 255, 255, .62); }
.foot-nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.foot-nav a { font-size: 13.5px; }
.foot-nav a:hover { color: #fff; }
.foot-copy {
  width: 100%; padding-top: 16px; margin-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px; text-align: center; color: rgba(255, 255, 255, .72);
}

/* 回到顶部 */
.to-top {
  position: fixed; right: 18px; bottom: 22px; z-index: 45;
  width: 44px; height: 44px; border-radius: 50%; border: none;
  background: var(--primary); color: #fff; font-size: 18px;
  box-shadow: 0 10px 24px rgba(15, 76, 190, .3);
  opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-2px); }

/* 滚动出现动画 */
/* 出现动画：**内容始终可见** ✓
   （早先用 opacity:0 + 滚动触发，在整页截图/不滚动的场景下会显示为空白 ✗，
     装饰动画不值得冒"看不见"的风险 → 只做很轻的位移过渡 ✓）*/
.reveal { transition: transform .35s ease; }
.reveal.in { transform: none; }
html.js-anim .reveal:not(.in) { transform: translateY(10px); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .hero-in { grid-template-columns: 1fr; gap: 30px; }
  .about, .contact { grid-template-columns: 1fr; gap: 26px; }
  .menu { gap: 20px; }
}
@media (max-width: 820px) {
  .menu { display: none; }
  .menu.open {
    display: flex; position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 6px 0; box-shadow: 0 18px 30px rgba(15, 35, 80, .1);
  }
  .menu.open a { padding: 13px 6vw; font-size: 15.5px; }
  .menu.open a::after { display: none; }
  .burger { display: flex; }
  .nav-act .btn-line { display: none; }
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 22px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 18px 10px; }
  .sec { padding: 54px 0; }
  .hero { padding-top: 52px; }
  .about-facts { grid-template-columns: 1fr; }
  .foot-in { flex-direction: column; align-items: flex-start; }
  .foot-nav { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}


/* ============================================================
   2026-10-12 升级：照参考站结构补齐（eyebrow / 编号 / 架构图 / 信任 / 动态 / 页脚）
   ============================================================ */
.eyebrow {
  font-size: 11.5px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--primary); opacity: .85;
  margin-bottom: 8px;
}
.sec-dark .eyebrow { color: #9dc0ff; opacity: 1; }

/* 业务卡编号（照参考站的 01–06 手法 ✓）*/
.card { position: relative; }
.card-num {
  position: absolute; top: 14px; right: 16px;
  font-size: 12px; font-weight: 800; letter-spacing: .08em;
  color: #64748b;
}
.card:hover .card-num { color: var(--primary); }

/* 四层架构图 */
.arch { display: grid; gap: 10px; }
.arch-row {
  display: grid; grid-template-columns: 168px 1fr; gap: 14px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px;
}
.arch-l {
  font-weight: 700; font-size: 14.5px; color: var(--primary);
  border-left: 3px solid var(--primary); padding-left: 10px;
}
.arch-r { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-r span {
  font-size: 13px; color: var(--ink-2);
  background: var(--soft); border: 1px solid var(--line);
  padding: 4px 11px; border-radius: 999px;
}
.arch-row.ar-1 { box-shadow: 0 6px 18px rgba(15, 76, 190, .07); }
.arch-row.ar-2 { background: #fbfdff; }
.arch-row.ar-3 { background: #f8fbff; }
.arch-row.ar-4 { background: #f5f9ff; }
.arch-note { margin-top: 14px; font-size: 13px; color: var(--ink-3); }

/* 信任与交付 */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.trust-item {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px; padding: 16px;
}
.trust-item b { display: block; font-size: 20px; color: #ffd977; letter-spacing: .5px; }
.trust-item span { font-size: 13.5px; color: rgba(255, 255, 255, .78); }
.trust-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.trust-two > div {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px; padding: 16px;
}
.trust-two h4, .trust-two h3 { font-size: 14.5px; margin-bottom: 6px; color: #fff; }
.trust-two p { font-size: 14px; color: rgba(255, 255, 255, .8); }

/* 发展动态 */
.news {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 8px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.news:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.news-date { font-size: 12px; color: var(--ink-3); letter-spacing: .06em; }
.news h3 { font-size: 16px; }
.news p { font-size: 14px; color: var(--ink-2); }
.news-more { font-size: 13px; color: var(--primary); font-weight: 600; margin-top: auto; }

/* 页脚补充 */
.foot-extra {
  width: 100%; display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  padding-top: 16px; margin-top: 4px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.qr { display: flex; align-items: center; gap: 10px; }
.qr-box {
  width: 64px; height: 64px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 11px;
  background: rgba(255, 255, 255, .1); border: 1px dashed rgba(255, 255, 255, .28);
  color: rgba(255, 255, 255, .7);
}
.qr-tx b { display: block; color: #fff; font-size: 13.5px; }
.qr-tx span { font-size: 12px; color: rgba(255, 255, 255, .64); }
.foot-meta { margin-left: auto; font-size: 12.5px; color: rgba(255, 255, 255, .72); display: grid; gap: 4px; }
.foot-meta .ph { color: #ffd977; font-style: normal; }

@media (max-width: 1080px) {
  .arch-row { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .arch-row { padding: 12px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-two { grid-template-columns: 1fr; }
  .foot-meta { margin-left: 0; }
}


/* 联系邮箱链接（深底上要看得清、可点 ✓）*/
.contact-link { color: #ffd977; text-decoration: none; border-bottom: 1px dashed rgba(255, 217, 119, .6); }
.contact-link:hover { color: #fff; border-bottom-color: #fff; }
.foot .contact-link { color: #ffd977; }
.form .contact-link, .sec:not(.sec-dark) .contact-link { color: var(--primary); border-bottom-color: rgba(15, 76, 190, .4); }


/* ============================================================
   AI 解决方案板块（2026-10-12，照参考站结构 ✓ 内容自写 ✓）
   ============================================================ */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ai-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.ai-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.ai-card h3 { font-size: 16.5px; margin-bottom: 8px; padding-right: 34px; }
.ai-card p { font-size: 14px; color: var(--ink-2); }
.ai-card .card-num { top: 18px; }
.ai-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.ai-tags li {
  font-size: 12px; color: var(--primary); background: var(--primary-soft);
  padding: 3px 9px; border-radius: 999px;
}
.ai-note {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 18px; padding: 14px 16px; border-radius: 12px;
  background: var(--primary-soft); border: 1px solid #d7e4fb;
}
.ai-note b { color: var(--primary); font-size: 14px; }
.ai-note span { font-size: 13.5px; color: var(--ink-2); }

@media (max-width: 1080px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) {
  .ai-grid { grid-template-columns: 1fr; }
  .ai-note { flex-direction: column; align-items: flex-start; gap: 6px; }
}


/* 品牌标语（原创 ✓ 参考站那句属于别的公司，不可照抄 ✗）*/
.slogan {
  display: inline-block; margin: 6px 0 4px;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  color: #eaf2ff; font-size: 13.5px; letter-spacing: .12em;
  border: 1px solid rgba(255, 255, 255, .22);
}
.foot-slogan { color: #ffd977 !important; font-size: 12.5px; letter-spacing: .1em; }


/* ============================================================
   AI 解决方案独立页（2026-10-12，结构照参考站 /solutions ✓ 文案自写 ✓）
   ============================================================ */
.page-hero {
  background: linear-gradient(160deg, #f2f7ff 0%, #e8f0fe 60%, #f7faff 100%);
  border-bottom: 1px solid var(--line);
  padding: 60px 0 52px;
}
.page-hero .eyebrow { margin-bottom: 10px; }
.page-hero h1 {
  font-size: clamp(26px, 3.4vw, 42px); line-height: 1.28; letter-spacing: -.5px;
  /* 原来写 max-width:22ch —— ch 按「0」字宽算，中文字宽约 1em，
     22ch 会把中文标题硬压到 ~890px，两行断在词中间（「工/程」被拆开）✗
     改为按字符数放宽，桌面端标题可整行显示 ✓ */
  max-width: 30ch;
}
/* 详情页标题通常更长（如「蒙泰健康科技产业园智能化工程」），再放宽一档 ✓ */
#caseDetail .page-hero h1, #detail .page-hero h1 { max-width: 36ch; }
.page-hero p { color: var(--ink-2); font-size: 16px; max-width: 62ch; margin-top: 14px; }
.page-hero .hero-btns { margin-top: 24px; }
.btn-onlight { border-color: #b9cdf3; color: var(--primary); background: #fff; }

/* 能力地图 */
.cap-list { display: grid; gap: 14px; }
.cap-item {
  display: grid; grid-template-columns: 78px 1fr; gap: 6px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.cap-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.cap-no {
  font-size: 22px; font-weight: 800; letter-spacing: .04em;
  color: #64748b; line-height: 1.2;
}
.cap-item:hover .cap-no { color: var(--primary); }
.cap-main h3 { font-size: 17px; margin-bottom: 6px; }
.cap-main p { font-size: 14px; color: var(--ink-2); }
.cap-value {
  margin: 10px 0 0; padding-left: 12px; border-left: 3px solid var(--primary);
  font-size: 13.5px; color: var(--primary); font-weight: 600;
}
.cap-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.cap-tags li {
  font-size: 12px; color: var(--ink-2); background: var(--soft);
  border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px;
}

/* 部署方式 */
.deploy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.deploy-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; transition: transform .2s ease, box-shadow .2s ease;
}
.deploy-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.deploy-card h3 { font-size: 17px; margin-bottom: 8px; }
.deploy-card p { font-size: 14px; color: var(--ink-2); min-height: 44px; }
.deploy-card ul { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.deploy-card li {
  font-size: 12px; color: var(--primary); background: var(--primary-soft);
  padding: 3px 9px; border-radius: 999px;
}

/* 底部 CTA 带 */
.cta-band { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(22px, 2.6vw, 32px); margin: 10px 0 8px; }
.cta-band p { color: rgba(255, 255, 255, .8); max-width: 60ch; }
.cta-act { display: flex; gap: 12px; margin-left: auto; flex-wrap: wrap; }

@media (max-width: 1080px) { .deploy-grid { grid-template-columns: 1fr; } }
@media (max-width: 820px) {
  .cap-item { grid-template-columns: 1fr; }
  .cta-act { margin-left: 0; }
  .page-hero { padding: 44px 0 38px; }
}

.ai-more { margin-left: auto; padding: 8px 16px; font-size: 14px; }
@media (max-width: 820px) { .ai-more { margin-left: 0; } }


/* ============================================================
   关于我们页（2026-10-12，结构参考 prznai.com/about ✓ 文案自写 ✓）
   ============================================================ */
.stats-light {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line);
}
.sl-item { background: var(--soft); border-radius: 12px; padding: 14px 16px; }
.sl-item b { display: block; font-size: 22px; color: var(--primary); letter-spacing: -.02em; }
.sl-item span { font-size: 13px; color: var(--ink-2); }

/* 服务行业标签 */
.ind-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.ind-chips span {
  font-size: 14px; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 999px;
}
.ind-chips span:hover { border-color: #cfdffb; color: var(--primary); }

/* 价值观 */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px; padding: 18px;
}
.value-card h3 { font-size: 16px; margin-bottom: 6px; color: #fff; }
.value-card p { font-size: 13.5px; color: rgba(255, 255, 255, .78); }

/* 四步流程 + 生命周期标签 */
.flow-4 { grid-template-columns: repeat(4, 1fr); }
.lifecycle-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px;
  padding-top: 18px; border-top: 1px solid var(--line);
}
.lifecycle-tags span {
  font-size: 13px; color: var(--primary); background: var(--primary-soft);
  padding: 6px 14px; border-radius: 999px;
}

@media (max-width: 1080px) {
  .stats-light { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .stats-light, .values-grid, .flow-4 { grid-template-columns: 1fr; }
}



@media (max-width: 1080px) {
  .map-wrap { grid-template-columns: 1fr; }
  .map-card { min-height: 260px; }
}


/* 导航自适应：窄屏先缩间距，再收进汉堡菜单（照参考站 ✓）*/
@media (max-width: 1180px) { .menu { gap: 18px; } .menu a { font-size: 14.5px; } }
@media (max-width: 1040px) { .menu { gap: 14px; } .menu a { font-size: 14px; } }



@media (max-width: 1080px) { .map-card { height: 300px; min-height: 300px; } }


/* 关于我们：小标题 + 5 列数据/价值观（照参考站 ✓）*/
.about-sub { font-size: 15px; color: var(--primary); margin: 14px 0 6px; }
.stats-light { grid-template-columns: repeat(5, 1fr); }
.values-grid { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1180px) {
  .stats-light { grid-template-columns: repeat(3, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .stats-light, .values-grid { grid-template-columns: 1fr; }
}


/* 品牌 LOGO（SVG ✓ 矢量清晰）*/
.brand-logo {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: block;
}
.foot .brand-logo { width: 40px; height: 40px; }


/* 智能化集成页：浅底 CTA 带 + 深底幽灵按钮（2026-10-12 ✓）*/
.cta-light h2 { color: var(--ink); }
.cta-light p { color: var(--ink-2); }
.cta-light { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.btn-ghost-dark { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost-dark:hover { background: var(--soft); color: var(--primary); }


/* ============================================================
   发展动态列表页（2026-10-12，结构参考 prznai.com/updates ✓ 文案自写 ✓）
   ============================================================ */
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.fchip {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 14px;
}
.fchip:hover { border-color: #cfdffb; color: var(--primary); }
.fchip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.news-media {
  height: 84px; border-radius: 10px; margin-bottom: 12px;
  display: flex; align-items: flex-end; padding: 10px 12px;
  color: #fff; font-size: 12.5px; font-weight: 600;
}
.nm-1 { background: linear-gradient(135deg, #1d4ed8, #0ea5e9); }
.nm-2 { background: linear-gradient(135deg, #0f766e, #22c55e); }
.nm-3 { background: linear-gradient(135deg, #7c3aed, #4338ca); }
.nm-4 { background: linear-gradient(135deg, #b45309, #f59e0b); }
.nm-5 { background: linear-gradient(135deg, #0369a1, #0ea5e9); }
.nm-6 { background: linear-gradient(135deg, #be123c, #f43f5e); }

.news-full { display: grid; gap: 8px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.news-full p { font-size: 13.5px; color: var(--ink-2); }
.news-more {
  margin-top: auto; align-self: flex-start;
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--primary); font-weight: 600; font-size: 13px;
}
.news-more:hover { text-decoration: underline; }
.news-empty { text-align: center; color: var(--ink-3); padding: 30px 0; }
.news.news-hide { display: none; }


/* ============================================================
   项目案例页（2026-10-12，结构参考 prznai.com/cases ✓ 内容自写 ✓）
   ============================================================ */
.case-list { display: grid; gap: 18px; }
.case-block {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case-block:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.cb-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.cb-tag {
  font-size: 12.5px; color: var(--primary); background: var(--primary-soft);
  padding: 3px 12px; border-radius: 999px;
}
.cb-no { font-size: 12px; font-weight: 800; letter-spacing: .1em; color: #64748b; }
.case-block h2, .case-block h3 { font-size: 18px; margin-bottom: 6px; font-weight: 700; }
.cb-sum { font-size: 14px; color: var(--ink-2); }
.cb-3 { display: grid; gap: 0; margin: 14px 0 12px; border-top: 1px solid var(--line); }
.cb-3 > div {
  display: grid; grid-template-columns: 64px 1fr; gap: 12px;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.cb-3 dt {
  font-size: 13px; font-weight: 700; color: var(--primary);
}
.cb-3 dd { font-size: 13.5px; color: var(--ink-2); }
.cb-cta { font-size: 13.5px; font-weight: 600; color: var(--primary); }
.cb-cta:hover { text-decoration: underline; }

/* ============================================================
   案例卡（横排三列 · 只显示简要内容 2026-10-13）
   列表页只给「行业 · 年份 + 标题 + 一句话摘要 + 详情入口」，
   问题/方案/验收 放详情页（case.html）✓
   ============================================================ */
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.cc-cover {
  height: 132px; background-size: cover; background-position: center;
  background-image: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  display: flex; align-items: flex-end; padding: 12px 14px;
}
.cc-ind {
  display: inline-block; color: #fff; font-size: 12.5px; font-weight: 600;
  background: rgba(0, 0, 0, .42); padding: 4px 10px; border-radius: 999px;
}
.cc-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.cc-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.cc-year { font-size: 12px; font-weight: 800; letter-spacing: .08em; color: #64748b; }
.case-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.cc-sum { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; margin-bottom: 14px; }
.cc-more { margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--primary); }
.cc-more:hover { text-decoration: underline; }
/* 示意标注（不写成已交付事实时使用 ✓） */
.cc-demo {
  display: inline-block; margin-left: 8px; font-size: 11.5px; font-weight: 600;
  color: #b45309; background: #fef3c7; border: 1px solid #fde68a;
  padding: 1px 8px; border-radius: 999px; vertical-align: middle;
}

.case-note {
  margin-top: 20px; padding: 14px 16px; border-radius: 12px;
  background: var(--soft); border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2);
}
@media (max-width: 820px) {
  .cb-3 > div { grid-template-columns: 1fr; gap: 4px; }
}
/* 案例卡：窄屏降为两列 / 单列（三列在手机上太挤）*/
#cases .grid-3 .case-card { min-width: 0; }
@media (max-width: 980px) {
  #cases .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  #cases .grid-3 { grid-template-columns: 1fr; }
  .cc-cover { height: 116px; }
}
/* 兜底：万一案例卡落在没有 .grid-3 的 .grid 里（首页旧结构），也不会挤成一列外溢 ✓ */
.grid:not(.grid-3):not(.grid-4) > .case-card { min-width: 0; }

/* ============================================================
   详情页（news.html / case.html 2026-10-13）
   正文只在详情页出现，列表页只给摘要 ✓
   ============================================================ */
.detail-box {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 30px 34px;
  /* 与页首标题同一条视觉轴：原来只有 880px，比 wrap(1180) 窄一大截，
     右边空一块、正文又比标题内缩 35px（x=165 vs 130），看起来是歪的 ✗
     改为跟 wrap 同宽，并按 max-width 控制阅读行宽 ✓ */
  max-width: none;
}
.detail-body { font-size: 15.5px; line-height: 1.95; color: var(--ink-2); max-width: 78ch; }
.detail-body p { margin-bottom: 14px; }
.detail-body p:last-child { margin-bottom: 0; }
.detail-body strong { color: var(--ink); }
/* 案例详情：问题 / 方案 / 验收 */
.detail-sec { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.detail-sec:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.detail-sec h2 { font-size: 15px; color: var(--primary); margin-bottom: 8px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.detail-meta span {
  font-size: 12.5px; color: var(--primary); background: var(--primary-soft);
  padding: 4px 12px; border-radius: 999px;
}
.detail-cover {
  height: 240px; border-radius: 12px; margin-bottom: 20px;
  background-size: cover; background-position: center;
  background-image: linear-gradient(135deg, #1d4ed8, #0ea5e9);
}
.detail-foot {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line);
}
@media (max-width: 620px) {
  .detail-box { padding: 22px 18px; }
  .detail-cover { height: 170px; }
  .detail-body { font-size: 15px; }
}


/* ============================================================
   服务卡样式对齐参考页（2026-10-12）：统一浅蓝图标块 + 更宽松卡片 ✓
   ============================================================ */
.ic {
  width: 48px; height: 48px; border-radius: 12px;
  background: #e8f0fe; color: #1a56db;           /* 统一色，不再五颜六色 ✓ */
  display: flex; align-items: center; justify-content: center;
}
.ic svg { width: 24px; height: 24px; }
/* 旧的多色变体统一覆盖为同一配色 ✓ */
.ic-blue, .ic-teal, .ic-indigo, .ic-orange, .ic-purple,
.ic-green, .ic-cyan, .ic-rose {
  background: #e8f0fe; color: #1a56db;
}

/* 卡片更宽松（照参考页的呼吸感 ✓）*/
.card {
  padding: 22px 22px 20px;
  border-radius: 14px;
}
.card h3 { font-size: 17px; margin: 14px 0 8px; }
.card p { font-size: 14px; line-height: 1.75; }
.grid-3 { gap: 20px; }
.grid-4 { gap: 20px; }


/* ============================================================
   步骤卡对齐（2026-10-12 用户反馈"不对齐" ✗）
   卡片等高（stretch ✓）+ 编号徽标固定偏移 + 标题/正文同一基线 ✓
   ============================================================ */
.flow { align-items: stretch; }
.flow li {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding-top: 24px;          /* 给悬浮的编号徽标留位，四张卡一致 ✓ */
}
.flow li::before { top: -14px; left: 16px; }
.flow b { margin: 0 0 6px; line-height: 1.35; }
.flow span { flex: 1 1 auto; }
/* 四步版与五步版都适用 ✓ */
.flow-4 li { padding-top: 24px; }


/* ============================================================
   页脚四栏（2026-10-12 照参考站 ✓）品牌 / 快速导航 / 沟通 / 关注
   ============================================================ */
.foot { padding: 40px 0 22px; }
.foot-grid {
  display: grid; grid-template-columns: 1.15fr .75fr 1.15fr 1fr;
  gap: 32px; align-items: start;
}
.fg-brand { display: flex; align-items: center; gap: 12px; }
.fg-brand b { display: block; color: #fff; font-size: 15.5px; }
.fg-brand .brand-logo { width: 44px; height: 44px; }
.fg-col h4 {
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  color: rgba(255, 255, 255, .62); margin-bottom: 12px;
}
.fg-col ul { display: grid; gap: 8px; }
.fg-col li a { font-size: 13.5px; color: rgba(255, 255, 255, .82); }
.fg-col li a:hover { color: #fff; }
.fg-big { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.fg-big .ar { color: #ffd977; }
.fg-col > p { font-size: 13.5px; color: rgba(255, 255, 255, .8); margin-bottom: 6px; }
.fg-note { font-size: 12.5px !important; color: rgba(255, 255, 255, .58) !important; line-height: 1.6; }
.fg-qr { display: flex; align-items: center; gap: 12px; }
.fg-qr .qr-box {
  width: 84px; height: 84px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center; font-size: 11.5px;
  background: #fff; color: #64748b;   /* 无障碍：原 #94a3b8 在白底 2.56:1 → 4.76:1 ✓ */
}
.fg-qr b { display: block; color: #fff; font-size: 14px; margin-bottom: 4px; }

.foot-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; margin-top: 26px; padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 12.5px; color: rgba(255, 255, 255, .68);
}
@media (max-width: 1080px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 640px) {
  .foot-grid { grid-template-columns: 1fr; }
  /* 手机端页脚压缩：原来 4 个板块竖排 + 大间距 → 实测 959px，
     占整页 38%，正文结束后要滑很久才到底 ✗ 改为紧凑排布 ✓ */
  .foot { padding: 26px 0 16px !important; }
  .foot-grid { gap: 16px; }
  .fg-col h4 { margin-bottom: 8px; }
  .fg-col ul { gap: 4px; }
  .foot-bottom { margin-top: 14px; padding-top: 10px; }
  /* 「关注我们」在手机端与品牌同行排布，省下一整段高度 ✓ */
  .foot-grid > .fg-col:last-child { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
  .foot-grid > .fg-col:last-child h4 { width: 100%; margin-bottom: 4px; }
  .fg-qr .qr-box { width: 64px; height: 64px; }
}


/* 首页瘦身配套（2026-10-12 ✓）*/
.ai-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.ai-chips span {
  font-size: 14px; color: var(--ink-2); background: #fff;
  border: 1px solid var(--line); padding: 9px 18px; border-radius: 999px;
}
.ai-chips span:hover { border-color: #cfdffb; color: var(--primary); }
.about-slim {
  display: flex; align-items: center; justify-content: space-between;
  gap: 26px; flex-wrap: wrap;
}
.about-slim h2 { font-size: clamp(20px, 2.2vw, 28px); margin: 10px 0 10px; }
.about-slim p { color: var(--ink-2); max-width: 68ch; }
.about-slim-act { display: flex; gap: 12px; flex-wrap: wrap; }


/* ============================================================
   关于我们：右侧栏与主标题对齐（2026-10-12 用户反馈"红框顶太高" ✗）
   ============================================================ */
.about { align-items: start; }           /* 两列都从顶开始，不互相拉伸 ✓ */
.about-tx { padding-top: 0; }
.about-side {
  padding-top: 34px;                     /* 下移，与 h2「厦门保盟科技有限公司」齐平 ✓ */
}
.about-side .as-card + .as-card { margin-top: 14px; }
@media (max-width: 980px) {
  .about-side { padding-top: 0; }        /* 单列时不需要偏移 ✓ */
}


/* ============================================================
   品牌标语不换行（2026-10-12 用户要求 ✓）
   页脚品牌栏窄 → nowrap + 缩小字号；手机端恢复换行避免溢出 ✓
   ============================================================ */
.slogan,
.foot-slogan {
  white-space: nowrap;
}
.foot-slogan { font-size: 12px !important; letter-spacing: .04em; }
@media (max-width: 1360px) { .foot-slogan { font-size: 11.5px !important; } }
@media (max-width: 1200px) { .foot-slogan { font-size: 11px !important; letter-spacing: 0; } }
@media (max-width: 900px) {
  .foot-slogan { white-space: normal; font-size: 12px !important; }  /* 单列时允许换行 ✓ */
}


/* ============================================================
   隐私政策页（2026-10-12，结构参考 prznai.com/privacy ✓ 内容按本站实际做法写 ✓）
   ============================================================ */
.policy { display: grid; grid-template-columns: 220px 1fr; gap: 34px; align-items: start; }
.policy-date { font-size: 13px; color: var(--ink-3); margin-top: 6px; }
.policy-toc {
  position: sticky; top: 90px;
  background: var(--soft); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px;
}
.policy-toc h4, .policy-toc h3 { font-size: 13px; color: var(--ink-3); letter-spacing: .06em; margin-bottom: 10px; }
.policy-toc ol { display: grid; gap: 7px; list-style: none; counter-reset: pt; }
.policy-toc li { counter-increment: pt; font-size: 13.5px; }
.policy-toc li a { color: var(--ink-2); }
.policy-toc li a:hover { color: var(--primary); }

.policy-body { max-width: 76ch; }
.policy-body h3 {
  font-size: 17px; margin: 26px 0 10px; padding-left: 11px;
  border-left: 3px solid var(--primary);
}
.policy-body h3:first-child { margin-top: 0; }
.policy-body p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; margin-bottom: 10px; }
.policy-body strong { color: var(--ink); }
.policy-body ul { display: grid; gap: 7px; margin: 6px 0 12px; }
.policy-body li { position: relative; padding-left: 16px; font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.policy-body li::before { content: '·'; position: absolute; left: 5px; color: var(--primary); font-weight: 900; }
.policy-contact li { padding-left: 0; }
.policy-contact li::before { content: ''; }
.policy-note {
  margin-top: 22px; padding: 12px 14px; border-radius: 10px;
  background: var(--soft); border: 1px solid var(--line);
  font-size: 13px !important; color: var(--ink-2);
}
@media (max-width: 980px) {
  .policy { grid-template-columns: 1fr; gap: 20px; }
  .policy-toc { position: static; }
}


/* ============================================================
   动态卡去色块（2026-10-12 用户：渐变色块很 low ✗）
   改为克制的文字卡：分类小标签 + 日期 + 标题 + 摘要 ✓
   ============================================================ */
.news-media { display: none !important; }        /* 不再使用大面积渐变 ✗ */

.news { padding: 22px 22px 20px; border-radius: 14px; gap: 9px; }
.news-date {
  font-size: 12.5px; color: var(--primary); font-weight: 600;
  letter-spacing: .02em;
}
.news h3 { font-size: 16.5px; line-height: 1.45; }
.news p { font-size: 14px; line-height: 1.75; }
.news-more { font-size: 13.5px; }
.news:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(15, 35, 80, .08); }

/* 筛选 chip 也收敛一点（与卡片同一克制风格 ✓）*/
.fchip { padding: 7px 16px; font-size: 13.5px; }


/* ============================================================
   联系我们独立页（2026-10-12，结构参考 prznai.com/contact ✓ 内容自写 ✓）
   ============================================================ */
.contact-wrap { display: grid; grid-template-columns: 1fr 460px; gap: 34px; align-items: start; }
.contact-info h2, .contact-form h2 { font-size: 20px; margin-bottom: 16px; }

.ci-list { display: grid; gap: 14px; }
.ci-list li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; }
.ci-ic {
  width: 40px; height: 40px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 17px;
  background: #e8f0fe; color: #1a56db;
}
.ci-list b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.ci-list p { font-size: 14px; color: var(--ink-2); }

.visit-card {
  margin-top: 20px; padding: 16px 18px; border-radius: 12px;
  background: var(--soft); border: 1px solid var(--line);
}
.visit-card h3 { font-size: 15px; margin-bottom: 8px; }
.visit-card ul { display: grid; gap: 6px; }
.visit-card li { position: relative; padding-left: 15px; font-size: 13.5px; color: var(--ink-2); }
.visit-card li::before { content: '·'; position: absolute; left: 4px; color: var(--primary); font-weight: 900; }
.qr-card { display: flex; align-items: center; gap: 14px; }
.qr-card .qr-box {
  width: 84px; height: 84px; border-radius: 10px; flex: none;
  display: flex; align-items: center; justify-content: center; font-size: 11.5px;
  background: #fff; border: 1px dashed var(--line); color: var(--ink-3);
}

.contact-form {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.contact-form form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 13.5px; color: var(--ink-2); }
.contact-form label i { color: #e11d48; font-style: normal; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 11px 13px; font-size: 14.5px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; background: #fbfdff;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(47, 111, 237, .12);
}
.btn-block { width: 100%; justify-content: center; }
.form-hint { font-size: 13.5px; color: var(--primary); min-height: 20px; }
.form-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }

@media (max-width: 980px) {
  .contact-wrap { grid-template-columns: 1fr; }
}


/* 页脚「描述您的业务问题」链接（可点 ✓）*/
.fg-big a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .3); }
.fg-big a:hover { color: #ffd977; border-bottom-color: #ffd977; }
.fg-big a .ar { color: #ffd977; }


/* ============================================================
   案例卡封面（2026-10-12 用户：加上图片，或生成代表性的内容 ✓）
   原创矢量插画叠在渐变底上（透明 SVG ✓），想换真实照片只需替换 background-image ✓
   ============================================================ */
.case-img {
  background-repeat: no-repeat, no-repeat;
  background-position: center bottom, center;
  background-size: cover, cover;
  min-height: 132px;
  align-items: flex-end;
}
.ci-1 { background-image: url('assets/case-park.svg'), linear-gradient(135deg, #1d4ed8, #0ea5e9); }
.ci-2 { background-image: url('assets/case-mall.svg'), linear-gradient(135deg, #0f766e, #22c55e); }
.ci-3 { background-image: url('assets/case-museum.svg'), linear-gradient(135deg, #6d28d9, #4338ca); }


/* ============================================================
   AI 能力选择器（2026-10-13，照参考站交互面板 ✓ 属性/文案自写 ✓）
   ============================================================ */
.caps {
  display: grid; grid-template-columns: 260px 1fr 300px;
  gap: 0; border-radius: 18px; overflow: hidden;
  background: linear-gradient(150deg, #0b1b33, #0a1626 60%, #0c1f38);
  box-shadow: 0 24px 60px rgba(10, 24, 48, .28);
}
.caps-side {
  background: rgba(255, 255, 255, .03);
  border-right: 1px solid rgba(255, 255, 255, .07);
  padding: 16px; display: grid; gap: 6px; align-content: start;
}
.caps-item {
  display: grid; grid-template-columns: 26px 1fr auto; align-items: center; gap: 10px;
  text-align: left; padding: 12px 12px; border-radius: 10px;
  border: 1px solid transparent; background: transparent;
  color: rgba(255, 255, 255, .72); font-size: 14px;
}
.caps-item:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.caps-item.active {
  background: linear-gradient(90deg, rgba(47, 111, 237, .35), rgba(47, 111, 237, .08));
  border-color: rgba(120, 170, 255, .45); color: #fff;
}
.caps-item .ci-ic { color: #7aa8ff; font-size: 14px; }
.caps-item i { font-style: normal; font-size: 11.5px; color: rgba(255, 255, 255, .55); }   /* 无障碍：原 .32 在深底 2.86:1 → .55 约 5.8:1 ✓ */

.caps-main { padding: 30px 32px; }
.caps-no { font-size: 11.5px; letter-spacing: .18em; color: #6ea0ff; margin-bottom: 14px; }
.caps-main h3 { font-size: 30px; line-height: 1.25; color: #fff; margin-bottom: 14px; letter-spacing: -.3px; }
.caps-main > p { font-size: 14.5px; color: rgba(255, 255, 255, .7); line-height: 1.8; max-width: 44ch; }
.caps-value {
  display: flex; align-items: flex-start; gap: 8px;
  margin: 18px 0 14px; padding-left: 12px; border-left: 3px solid #4f8dff;
}
.caps-value .ck { color: #6ee7b7; font-weight: 700; }
.caps-value b { color: #fff; font-size: 15px; font-weight: 600; }
.caps-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.caps-tags li {
  font-size: 12px; color: rgba(255, 255, 255, .8);
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12);
  padding: 4px 11px; border-radius: 999px;
}
.caps-cta { color: #7aa8ff; font-size: 13.5px; font-weight: 600; }
.caps-cta:hover { color: #fff; }

.caps-visual {
  padding: 26px 22px; display: flex; flex-direction: column; gap: 12px;
  align-items: center; justify-content: center;
  background: radial-gradient(120% 90% at 70% 20%, rgba(47, 111, 237, .18), transparent 60%);
  border-left: 1px solid rgba(255, 255, 255, .07);
}
.cv-frame {
  position: relative; width: 100%; aspect-ratio: 1 / 1.05; max-width: 250px;
  border: 1px solid rgba(120, 170, 255, .28); border-radius: 14px;
  background: linear-gradient(160deg, rgba(30, 70, 140, .22), rgba(10, 24, 48, .3));
}
.cv-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 76px; height: 76px; border-radius: 20px; font-size: 30px;
  display: flex; align-items: center; justify-content: center;
  color: #9dc0ff; border: 1px solid rgba(120, 170, 255, .5);
  background: rgba(20, 50, 105, .6); box-shadow: 0 0 40px rgba(79, 141, 255, .35) inset;
}
.cv-dot { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #6ee7b7; box-shadow: 0 0 10px #6ee7b7; }
.d1 { left: 14%; top: 22%; } .d2 { right: 16%; top: 30%; } .d3 { left: 22%; bottom: 24%; } .d4 { right: 22%; bottom: 18%; }
.cv-line { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, rgba(120, 170, 255, .5), transparent); }
.l1 { left: 12%; right: 12%; top: 40%; }
.l2 { left: 20%; right: 20%; bottom: 34%; }
.cv-label {
  position: absolute; left: 50%; bottom: 9%; transform: translateX(-50%);
  font-size: 10.5px; letter-spacing: .12em; color: rgba(160, 200, 255, .8);
}
.cv-cap { font-size: 12px; color: rgba(255, 255, 255, .55); }

@media (max-width: 1080px) {
  .caps { grid-template-columns: 1fr; }
  .caps-side { grid-template-columns: repeat(2, 1fr); border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .caps-main h3 { font-size: 24px; }
  .caps-visual { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .07); }
  .cv-frame { max-width: 210px; }
}
@media (max-width: 620px) { .caps-side { grid-template-columns: 1fr; } }


/* ============================================================
   科技视觉横幅（2026-10-13 用户："这个很酷" ✓）
   纯 SVG + CSS：深色网格 + 线框球体 + 四角能力节点（无图片依赖 ✓）
   ============================================================ */
.tech-sec { padding: 0 0 8px; }
.tech-band {
  position: relative; border-radius: 18px; overflow: hidden;
  background: linear-gradient(155deg, #08152b, #0a1c33 55%, #08182e);
  border: 1px solid #1c3b66;
  box-shadow: 0 26px 60px rgba(8, 22, 45, .32);
  padding: 16px 18px 14px;
}
.tb-top, .tb-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  color: #6ea0ff; font-size: 11px; letter-spacing: .14em; flex-wrap: wrap;
}
.tb-bottom { color: #86a9dd; letter-spacing: .06em; }
.tb-live { display: inline-flex; align-items: center; gap: 7px; color: #a9c8ff; }
.tb-live i {
  width: 6px; height: 6px; border-radius: 50%; background: #6ee7b7;
  box-shadow: 0 0 8px #6ee7b7; animation: tbPulse 1.8s ease-in-out infinite;
}
@keyframes tbPulse { 0%, 100% { opacity: 1 } 50% { opacity: .35 } }
.tb-code { color: #4d76b3; }
.tb-svg { display: block; width: 100%; height: auto; margin: 6px 0 4px; }
@media (max-width: 760px) {
  .tech-band { padding: 12px; }
  .tb-top, .tb-bottom { font-size: 10px; letter-spacing: .08em; }
}


/* AI 能力状态徽标（已落地 / 按需扩展 ✓）*/
.caps-state {
  display: inline-block; margin: -6px 0 12px;
  font-size: 11.5px; letter-spacing: .06em; padding: 3px 10px; border-radius: 999px;
  color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}
.caps-state.on {
  color: #6ee7b7; background: rgba(110, 231, 183, .12);
  border-color: rgba(110, 231, 183, .35);
}


/* 案例封面图（后台上传的 cover ✓）*/
.cb-cover { height: 150px; border-radius: 12px; margin-bottom: 14px; background: linear-gradient(135deg, #1d4ed8, #0ea5e9); }


/* ============================================================
   首页首屏：深色居中大屏（2026-10-13 照参考站 ✓ 不做个人发挥 ✗）
   ============================================================ */
.hero-dark {
  background: radial-gradient(90% 120% at 50% 0%, #0f2547 0%, #0a1a30 45%, #071322 100%);
  color: #fff; padding: 74px 0 0; position: relative; overflow: hidden;
}
.hero-dark::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, .07) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}
.hero-dark > * { position: relative; z-index: 1; }
.hero-c { text-align: center; max-width: 900px; }
.eyebrow-c { color: #7aa8ff !important; opacity: 1 !important; letter-spacing: .22em; }
.hero-dark h1 {
  font-size: clamp(28px, 4.4vw, 56px); line-height: 1.22; letter-spacing: -.5px;
  color: #fff; margin: 6px 0 18px;
}
.hero-dark h1 em {
  font-style: normal; display: inline-block;
  background: linear-gradient(90deg, #7cc4ff 0%, #57e0c0 55%, #7aa8ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-dark .hero-sub {
  color: rgba(255, 255, 255, .74); font-size: 15.5px; line-height: 1.9;
  max-width: 62ch; margin: 0 auto 26px;
}
.hero-btns-c { justify-content: center; }
.btn-hero-ghost {
  background: rgba(255, 255, 255, .1); color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
}
.btn-hero-ghost:hover { background: rgba(255, 255, 255, .18); color: #fff; }
.hero-points-c { justify-content: center; color: rgba(255, 255, 255, .72); }
.hero-points-c li::before { content: '✓'; color: #6ee7b7; margin-right: 6px; }
.hero-visual { margin-top: 34px; }
.hero-visual .tech-band { background: linear-gradient(155deg, rgba(10, 28, 52, .92), rgba(8, 22, 42, .92)); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin-top: 34px; border-top: 1px solid rgba(255, 255, 255, .1);
}
.hero-stats > div {
  padding: 20px 18px; border-right: 1px solid rgba(255, 255, 255, .08);
}
.hero-stats > div:last-child { border-right: 0; }
.hero-stats b { display: block; font-size: 24px; color: #fff; letter-spacing: -.02em; }
.hero-stats span { font-size: 12.5px; color: rgba(255, 255, 255, .55); }
@media (max-width: 820px) {
  .hero-dark { padding-top: 48px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats > div:nth-child(2n) { border-right: 0; }
}


/* ============================================================
   科技视觉 · 鼠标行为（2026-10-13 用户：参考站那种 ✓）
   视差倾斜 + 光晕跟随（克制幅度 ✓ 可无障碍关闭 ✓）
   ============================================================ */
.hero-visual .tech-band {
  transform-style: preserve-3d;
  transform: perspective(1200px) rotateX(calc(var(--my, 0) * -3.2deg)) rotateY(calc(var(--mx, 0) * 4.2deg));
  transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .35s ease;
  will-change: transform;
}
.hero-visual .tech-band::after {   /* 光标处的柔光 ✓ */
  content: ''; position: absolute; inset: 0; pointer-events: none; border-radius: 18px;
  background: radial-gradient(420px 260px at calc(50% + var(--mx, 0) * 34%) calc(50% + var(--my, 0) * 30%),
              rgba(94, 150, 255, .18), transparent 62%);
  opacity: var(--mglow, 0); transition: opacity .3s ease;
}
.tb-svg { transition: transform .35s cubic-bezier(.2, .7, .3, 1); }
.hero-visual .tech-band:hover .tb-svg { transform: translateZ(26px) scale(1.012); }
.hero-visual .tech-band .tb-top,
.hero-visual .tech-band .tb-bottom { transition: transform .35s cubic-bezier(.2, .7, .3, 1); }
.hero-visual .tech-band:hover .tb-top { transform: translateZ(14px); }
.hero-visual .tech-band:hover .tb-bottom { transform: translateZ(10px); }

/* 四角节点轻微视差 ✓（依 data-node 分组）*/
.hero-visual .tech-band [data-node] { transition: transform .4s cubic-bezier(.2, .7, .3, 1); }
.hero-visual .tech-band:hover [data-node="tl"] { transform: translate(calc(var(--mx, 0) * 6px), calc(var(--my, 0) * 6px)); }
.hero-visual .tech-band:hover [data-node="tr"] { transform: translate(calc(var(--mx, 0) * -6px), calc(var(--my, 0) * 6px)); }
.hero-visual .tech-band:hover [data-node="bl"] { transform: translate(calc(var(--mx, 0) * 6px), calc(var(--my, 0) * -6px)); }
.hero-visual .tech-band:hover [data-node="br"] { transform: translate(calc(var(--mx, 0) * -6px), calc(var(--my, 0) * -6px)); }

@media (prefers-reduced-motion: reduce) {
  .hero-visual .tech-band, .tb-svg, .hero-visual .tech-band::after { transform: none !important; transition: none !important; }
}


/* 科技视觉细节：连线流动 + 球体呼吸（2026-10-13 提质 ✓）*/
.tb-wire { animation: tbFlow 3.6s linear infinite; }
@keyframes tbFlow { to { stroke-dashoffset: -44; } }
.tb-svg circle[fill="#8fc0ff"] { animation: tbFade 4.5s ease-in-out infinite alternate; }
@keyframes tbFade { from { opacity: .78 } to { opacity: 1 } }
@media (prefers-reduced-motion: reduce) {
  .tb-wire, .tb-svg circle[fill="#8fc0ff"] { animation: none !important; }
}


/* 球体质感（外发光 + 边缘冷光 ✓ 2026-10-13）*/
#tbSphere { filter: drop-shadow(0 0 7px rgba(120, 180, 255, .35)); }
#tbCore { filter: blur(.4px); }


/* ============================================================
   能力面板 · 鼠标跟随 + 列表 UI 修正（2026-10-13 用户要求 ✓）
   ============================================================ */
/* 左侧列表：各项等高、间距统一（第 1 项不再比别的厚 ✗）*/
.caps-side { gap: 8px; }
.caps-item {
  min-height: 56px; padding: 0 14px;
  grid-template-columns: 30px 1fr 26px;
  align-items: center;
}
.caps-item .ci-ic {
  width: 30px; height: 30px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .07); color: #8fb6ff; font-size: 13px;
}
.caps-item.active .ci-ic { background: rgba(120, 170, 255, .22); color: #cfe2ff; }
.caps-item i { text-align: right; }

/* 右侧可视化：随鼠标轻微倾斜 + 光晕跟随 ✓ */
.caps-visual { position: relative; overflow: hidden; }
.caps-visual::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(320px 220px at calc(50% + var(--mx, 0) * 40%) calc(50% + var(--my, 0) * 36%),
              rgba(94, 150, 255, .22), transparent 64%);
  opacity: var(--mglow, 0); transition: opacity .3s ease;
}
.cv-frame {
  transform: perspective(900px)
             rotateX(calc(var(--my, 0) * -3.6deg))
             rotateY(calc(var(--mx, 0) * 4.4deg));
  transition: transform .35s cubic-bezier(.2, .7, .3, 1);
  transform-style: preserve-3d; will-change: transform;
}
.cv-core {
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease;
}
.caps-visual:hover .cv-core { transform: translate(-50%, -50%) translateZ(22px) scale(1.04); }
.cv-dot, .cv-line { transition: transform .4s cubic-bezier(.2, .7, .3, 1); }
.caps-visual:hover .d1 { transform: translate(calc(var(--mx, 0) * 5px), calc(var(--my, 0) * 5px)); }
.caps-visual:hover .d2 { transform: translate(calc(var(--mx, 0) * -5px), calc(var(--my, 0) * 5px)); }
.caps-visual:hover .d3 { transform: translate(calc(var(--mx, 0) * 5px), calc(var(--my, 0) * -5px)); }
.caps-visual:hover .d4 { transform: translate(calc(var(--mx, 0) * -5px), calc(var(--my, 0) * -5px)); }
.caps-visual:hover .l1 { transform: translate(calc(var(--mx, 0) * 3px), 0); }
.caps-visual:hover .l2 { transform: translate(calc(var(--mx, 0) * -3px), 0); }

@media (prefers-reduced-motion: reduce) {
  .cv-frame, .caps-visual::after, .cv-dot, .cv-line, .cv-core { transform: none !important; transition: none !important; }
}


/* ============================================================
   首页：工作方式段 + 勾选清单 + 深色架构堆叠（2026-10-13 照参考站 ✓）
   ============================================================ */
.approach { max-width: 860px; }
.approach h2 { font-size: clamp(22px, 2.6vw, 32px); margin: 10px 0 14px; letter-spacing: -.3px; }
.approach p { color: var(--ink-2); font-size: 15.5px; line-height: 1.9; margin-bottom: 16px; }
.phys-link { color: var(--primary); font-weight: 600; font-size: 14.5px; }
.phys-link:hover { text-decoration: underline; }

/* 左栏改为自适应（300–400px）：原写死 340px 装不下 28px 标题，末尾一个字被挤到第二行 ✗
   标题字号上限 28→26px，保证「六大能力域，覆盖现场到平台」在桌面双栏下整行不折 ✓ */
.phys { display: grid; grid-template-columns: minmax(300px, 400px) 1fr; gap: 34px; align-items: start; }
.phys-tx h2 { font-size: clamp(20px, 2.2vw, 26px); margin: 10px 0 12px; }
.phys-tx p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; margin-bottom: 14px; }
.phys-list { display: grid; gap: 12px; }
.phys-item {
  display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.phys-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #d5e2f8; }
.phys-ck {
  width: 24px; height: 24px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; font-size: 12px;
  color: #0f766e; background: #d9f6ec; border: 1px solid #a7ead3;
}
.phys-item b { display: block; font-size: 15.5px; margin-bottom: 4px; }
.phys-item p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }

.arch-stack { display: grid; gap: 12px; }
.arch-layer {
  display: grid; grid-template-columns: 150px 1fr; gap: 18px; align-items: center;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 12px; padding: 16px 20px;
}
.arch-layer:hover { background: rgba(255, 255, 255, .08); }
.al-en { font-size: 11px; letter-spacing: .16em; color: #7aa8ff; }
.al-tx b { display: block; color: #fff; font-size: 16px; margin-bottom: 4px; }
.al-tx span { font-size: 13.5px; color: rgba(255, 255, 255, .74); }
.arch-note { margin-top: 16px; font-size: 13px; color: rgba(255, 255, 255, .6); }

@media (max-width: 980px) {
  .phys { grid-template-columns: 1fr; gap: 20px; }
  .arch-layer { grid-template-columns: 1fr; gap: 6px; }
}


/* 首屏无视觉图时的留白（2026-10-13 用户要求去掉该块 ✓）*/
.hero-dark { padding-bottom: 56px; }
.hero-visual, .tech-sec, .tech-band { display: none !important; }


/* ============================================================
   全站卡片统一 hover（2026-10-13 用户：所有页面卡片要鼠标经过 ✓）
   ============================================================ */
:where(.card, .phys-item, .news, .case-block, .cap-item, .deploy-card,
       .value-card, .trust-item, .as-card, .visit-card, .sl-item,
       .flow li, .stat-item, .ind-chips span, .ai-chips span, .fchip,
       .ci-list li, .qr-card, .hero-stats > div) {
  transition: transform .18s ease, box-shadow .22s ease,
              border-color .22s ease, background-color .22s ease, color .18s ease;
}

:where(.card, .phys-item, .news, .case-block, .cap-item, .deploy-card,
       .value-card, .trust-item, .as-card, .visit-card, .sl-item,
       .ind-chips span, .ai-chips span, .fchip, .qr-card):hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15, 35, 80, .10);
  border-color: #cfdffb;
}

/* 深色区域内的卡片：阴影换成冷光、边框提亮 ✓（浅色阴影在深底上不可见 ✗）*/
:where(.value-card, .trust-item):hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, .32), 0 0 0 1px rgba(122, 168, 255, .28);
  border-color: rgba(122, 168, 255, .5) !important;
  background: rgba(255, 255, 255, .1) !important;
}

/* 步骤卡：整体上浮但保留编号徽标相对位置 ✓ */
.flow li:hover { transform: translateY(-3px); }
.flow li:hover b { color: var(--primary); }

/* 统计项：不位移，只提亮文字（一排数字整体上浮会显得散 ✗）*/
.hero-stats > div:hover { background: rgba(255, 255, 255, .05); }
.hero-stats > div:hover b { color: #7cc4ff; }

/* 行业标签 / 能力标签：轻微上浮 + 变蓝 ✓ */
:where(.ind-chips span, .ai-chips span):hover { color: var(--primary); }

/* 无障碍：关闭位移动画 ✓ */
@media (prefers-reduced-motion: reduce) {
  :where(.card, .phys-item, .news, .case-block, .cap-item, .deploy-card,
         .value-card, .trust-item, .as-card, .visit-card, .sl-item,
         .flow li, .ind-chips span, .ai-chips span, .fchip, .qr-card):hover {
    transform: none;
  }
}


/* ============================================================
   #business 段文字颜色写死（2026-10-13：白底上标题发白不可见 ✗）
   ============================================================ */
#business .eyebrow { color: var(--primary) !important; opacity: 1 !important; }
#business h2 { color: var(--ink) !important; }
#business .phys-tx > p { color: var(--ink-2) !important; }
#business .phys-link { color: var(--primary) !important; }
#business .phys-item b { color: var(--ink) !important; }
#business .phys-item p { color: var(--ink-2) !important; }
#business .phys-ck { color: #0f766e !important; background: #d9f6ec !important; border-color: #a7ead3 !important; }

/* 同类隐患一并兜住：浅色段落里的加粗小标题必须用深色 ✓ */
.sec:not(.sec-dark) b,
.sec-soft b,
.sec-soft h2,
.sec-soft h3 { color: var(--ink); }
.sec-soft .eyebrow { color: var(--primary); opacity: 1; }


/* ============================================================
   2026-10-13 移动端与无障碍精修（WS3 / task-7，仅 styles.css）
   1 横向溢出 · 2 触控目标 · 3 可见焦点 · 4 对比度 · 5 动效减弱 · 6 长串换行
   ============================================================ */

/* ---------- 4 对比度：浅底区块里的「深色 CTA 带」文字必须回到深色 ----------
   症状（实测 cr=1.00~1.05，文字不可见）：
   .cta-band p 写死 rgba(255,255,255,.8)，但 #flow(index) / #cta(integration, cases)
   放在浅色 .sec / .sec-soft 里 → 白字白底。
   深色区块（updates / solutions / about / contact 的 .sec-dark）不受影响 ✓ */
.sec:not(.sec-dark) .cta-band p { color: var(--ink-2); }
.sec:not(.sec-dark) .cta-band .eyebrow { color: var(--primary); opacity: 1; }

/* ---------- 4 对比度：深色能力面板里的 <b> 被浅色兜底规则覆盖 ----------
   .caps 是「浅色 section 里的深色面板」，#capValue 实测 cr=1.02（#0f172a on #0a1626）。
   这里用更高特异性把面板内的 b 拉回白色 ✓ */
.sec:not(.sec-dark) .caps b,
.caps .caps-value b { color: #fff; }

/* ---------- 4 对比度：浅色卡片里误用了页脚专用的白字 .fg-note ----------
   contact.html 的「到访指引 / 微信公众号」卡片是 .visit-card（--soft 浅底），
   里面的 p.fg-note 是 rgba(255,255,255,.58) → 实测 cr=1.04，文字不可见。 */
.visit-card .fg-note,
.qr-card .fg-note { color: var(--ink-3) !important; }


/* ---------- 3 可见焦点：全站统一 :focus-visible ----------
   此前全站没有任何 :focus-visible 规则，只能靠 UA 默认虚线；
   .f-row input/.contact-form input 还写了 outline:none。以下补回清晰可见的描边 ✓ */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}
/* 深底 / 深色面板上换成暖黄，保证与背景对比 ≥3:1 ✓ */
.sec-dark :where(a, button):focus-visible,
.foot :where(a, button):focus-visible,
.hero-dark :where(a, button):focus-visible,
.caps :where(a, button):focus-visible,
.tech-band :where(a, button):focus-visible,
#business .btn:focus-visible {
  outline-color: #ffd977;
}
/* 面板 overflow:hidden 会裁掉外描边 → 改成内描边 ✓ */
.caps-item:focus-visible { outline-color: #9dc0ff; outline-offset: -3px; }
/* 表单控件：覆盖原先的 outline:none，补上键盘可见焦点（原本只有 13% 透明度的淡影）*/
.f-row input:focus-visible, .f-row select:focus-visible, .f-row textarea:focus-visible,
.contact-form input:focus-visible, .contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(15, 76, 190, .18);
}


/* ---------- 6 长串不撑破容器 ----------
   邮箱 / 电话 / URL / 长英文数字在窄屏会把容器撑破，统一允许断行 ✓ */
body { overflow-wrap: break-word; }
.fg-note, .foot-meta, .foot-bottom, .contact-list p, .ci-list p, .qr-tx span,
.form-note, .form-hint, .policy-body p, .policy-body li, .policy-toc li a,
.news p, .news h3, .card p, .case-body p, .cb-3 dd, .arch-note, .arch-r span,
.case-note, .trust-two p, .adv p, .deploy-card p, .cap-main p, .cap-value,
.caps-main > p, .hero-sub, .hero-points, .about-tx p, .page-hero p, .cta-band p,
.caps-tags li, .ai-tags li, .about-facts span, .sl-item span,
.f-row input, .f-row textarea, .contact-form input, .contact-form textarea {
  overflow-wrap: anywhere;
}
/* 栅格/弹性子项默认 min-width:auto 会被长内容顶破，显式归零 ✓ */
.phys > *, .phys-tx, .arch-layer > *, .arch-stack, .cb-3 > div > *,
.cap-item > *, .phys-item > *, .contact-info, .contact-form, .fg-col,
.about-side, .ci-list li > div, .trust-two > div { min-width: 0; }


/* ---------- 1 横向溢出：320px 下 .brand 文案 nowrap 顶破导航 ----------
   实测 320px：docScrollWidth=340（viewport 320），溢出元素 div.nav-act / button.burger。
   根因：.brand{flex:none} + .brand-tx i{white-space:nowrap}，品牌文案 max-content ≈267px
   加上 18px 间距与 44px 汉堡 = 329px > .wrap 的 294.4px。
   修法：窄屏允许品牌块收缩、副标题换行（≥381px 时空间足够，不会换行，外观不变）✓ */
@media (max-width: 420px) {
  .nav-in { gap: 10px; }
  .brand { flex: 0 1 auto; min-width: 0; }
  .brand-tx { min-width: 0; }
  .brand-tx b { font-size: 15px; }
  .brand-tx i {
    white-space: normal; overflow-wrap: anywhere;
    font-size: 11px; line-height: 1.45;
  }
  .nav-act { flex: none; }
}


/* ---------- 2 触控目标：移动端所有可点元素 ≥44×44 ----------
   实测（修复前，390px）：.foot-bottom a 16px、.fg-col li a 18px、.contact-link 17–22px、
   .phys-link 19px、.fg-big a 19px、.cb-cta 18px、.caps-cta 18px、.policy-toc li a 18px、
   .news-more 23px、.fchip 39px、.btn(ai-more) 42px、.burger 42px。 */
@media (max-width: 820px) {
  /* 纯文字行内链接（整行都是链接的语境）：撑到 44px 高 */
  .fg-col li a,
  .foot-nav a,
  .foot-bottom a,
  .phys-link,
  .fg-big a,
  .caps-cta,
  .cb-cta,
  .policy-toc li a,
  .news-more,
  .contact-list p .contact-link,
  .ci-list p .contact-link,
  .fg-col > p .contact-link,
  .policy-contact li .contact-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    min-width: 44px;      /* 「首页」这类 2 字链接仅 27px 宽 → 补足到 44px ✓ */
  }
  /* 品牌块本身是链接（logo 42px 高）→ 提到 44px ✓ */
  .brand { min-height: 44px; }
  /* 行业标签看起来像按钮，一并给足 44px，避免误触 ✓ */
  .ind-chips span { display: inline-flex; align-items: center; min-height: 44px; }

  /* 正文行内链接（句子中间的邮箱/电话/「查看全部案例 →」）：
     用伪元素把点击热区扩到 44px 高，既不改排版也不动虚线下划线 ✓
     （纯行内链接按 WCAG 2.5.8 属 inline 例外，此处仍做到 44px 热区）*/
  .form-hint .contact-link,
  .form-note .contact-link,
  .sec-head p .contact-link,
  .policy-body .contact-link,
  .as-card li .contact-link {
    position: relative;
  }
  .form-hint .contact-link::after,
  .form-note .contact-link::after,
  .sec-head p .contact-link::after,
  .policy-body .contact-link::after,
  .as-card li .contact-link::after {
    content: ''; position: absolute; left: -4px; right: -4px; top: 50%;
    height: 48px; transform: translateY(-50%);
  }
  /* 列表内链接不再另加间距（44px 本身已满足目标尺寸）*/
  .fg-col ul { gap: 2px; }
  .policy-toc ol { gap: 0; }
  .foot-bottom { gap: 6px 16px; }

  /* 胶囊筛选按钮与卡片按钮 */
  .fchip { min-height: 44px; display: inline-flex; align-items: center; }
  .btn { min-height: 44px; }
  .news-more { padding: 0; }

  /* 汉堡按钮在窄屏是主入口，保证 44×44 且不被压缩 ✓ */
  .burger { flex: none; min-width: 44px; min-height: 44px; }

  /* .to-top 是 fixed 在右下角（right:18px / bottom:22px，44×44）。
     滚到页面最底部时它会压住页脚最后一行的「隐私政策」，
     实测把该链接的有效命中宽度从 50px 压到 7px → 页脚留出安全区 ✓
     注：这里的安全区要盖过 ≤640px 那组的 .foot{padding:26px 0 16px}，
     所以用 !important 保持 80px 底部留白 ✓ */
  .foot { padding-bottom: 80px !important; }
}

/* 隐私政策目录：窄屏改两列，既保留 44px 触控高度又不让目录占满一屏 ✓ */
@media (max-width: 620px) {
  .policy-toc { padding: 14px 16px; }
  .policy-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 14px; }
}


/* ---------- 5 prefers-reduced-motion：统一关闭所有过渡/动画 ----------
   原有规则只覆盖 .reveal / 视差 / 部分 keyframes，且
   `html.js-anim .reveal:not(.in){transform:translateY(10px)}` 特异性更高、
   在 reduce 下仍会位移（原实现的漏洞）。此处统一兜住 ✓ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, html.js-anim .reveal:not(.in) { opacity: 1 !important; transform: none !important; }
  .menu a::after { transition: none !important; }   /* 指示线保留、去掉缩放动画 ✓ */
  .tb-live i, .tb-wire, .tb-svg circle[fill="#8fc0ff"] { animation: none !important; }
  .hero-visual .tech-band, .tb-svg, .cv-frame, .cv-dot, .cv-line, .cv-core,
  .btn:active, .to-top:hover,
  .card:hover, .phys-item:hover, .news:hover, .case-block:hover, .cap-item:hover,
  .deploy-card:hover, .value-card:hover, .trust-item:hover, .as-card:hover,
  .visit-card:hover, .sl-item:hover, .fchip:hover, .qr-card:hover,
  .flow li:hover, .ind-chips span:hover, .ai-chips span:hover,
  .hero-stats > div:hover {
    transform: none !important;
  }
}