@charset "UTF-8";
/* =====================================================================
   威海泷灵传媒科技有限公司 · 官网样式表
   视觉体系：暗色霓虹 / 玻璃拟态科幻感（Dark Neon · Glassmorphism）
   纯 CSS，无任何外部资源依赖，可 file:// 直接打开
   ---------------------------------------------------------------------
   目录
   00 设计令牌（变量）
   01 基础重置与排版
   02 背景装饰（光晕 / 网格 / 扫描线）
   03 通用布局与组件（容器、卡片、按钮、标签…）
   04 页头与导航（含移动端抽屉）
   05 首屏 Hero 与终端面板
   06 通用区块（页头、分栏、时间线、表格、评价…）
   07 产品页（能力筛选、常见问题）
   08 关于页（团队、价值观、办公点）
   09 联系页（表单、地图卡）
   10 页脚与浮层
   11 响应式
   12 动效降级与打印
   ===================================================================== */

/* ============ 00 设计令牌 ============ */
:root {
  /* 底色 */
  --bg:        #05070E;
  --bg-2:      #0A0F1E;
  --bg-3:      #0F1730;
  --glass:     rgba(255, 255, 255, .045);
  --glass-2:   rgba(255, 255, 255, .07);
  --line:      rgba(255, 255, 255, .10);
  --line-2:    rgba(255, 255, 255, .18);

  /* 文字 */
  --ink:       #FFFFFF;
  --ink-2:     #E4E9F6;
  --body:      #A8B2CC;
  --muted:     #8391B4;
  --faint:     #5C6885;

  /* 霓虹强调 */
  --neon-c:    #22D3EE;
  --neon-p:    #A855F7;
  --neon-m:    #F0ABFC;
  --neon-c-16: rgba(34, 211, 238, .16);
  --neon-c-35: rgba(34, 211, 238, .35);
  --neon-p-16: rgba(168, 85, 247, .16);
  --neon-p-35: rgba(168, 85, 247, .35);
  --grad:      linear-gradient(100deg, #22D3EE 0%, #6EA8FF 42%, #A855F7 100%);
  --grad-soft: linear-gradient(140deg, rgba(34, 211, 238, .16), rgba(168, 85, 247, .16));

  /* 发光 */
  --glow-c:  0 0 40px rgba(34, 211, 238, .35);
  --glow-p:  0 0 40px rgba(168, 85, 247, .35);
  --glow-mix: 0 0 34px rgba(34, 211, 238, .22), 0 0 68px rgba(168, 85, 247, .20);

  /* 形状 */
  --r-sm: 12px;
  --r:    16px;
  --r-lg: 22px;
  --pill: 999px;

  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --header-h: 68px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ============ 01 基础重置与排版 ============ */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 全站网格 + 扫描线负片质感（纯 CSS，不含外部图片） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, .022) 0 1px, transparent 1px 3px);
}

h1, h2, h3, h4, h5 {
  color: var(--ink);
  line-height: 1.22;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(1.95rem, 4.4vw, 3.3rem); }
h2 { font-size: clamp(1.55rem, 3.1vw, 2.4rem); }
h3 { font-size: 1.16rem; }
h4 { font-size: 1.02rem; }
h5 { font-size: .95rem; }
p  { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: .45em; }
img, svg { max-width: 100%; }
svg { display: block; }

a {
  color: var(--neon-c);
  text-decoration: none;
  transition: color .22s var(--ease);
}
a:hover { color: var(--neon-m); }

strong, b { color: var(--ink-2); font-weight: 700; }
em { font-style: normal; }

:focus-visible {
  outline: 2px solid var(--neon-c);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(34, 211, 238, .32); color: #fff; }

/* 渐变文字（青 → 紫） */
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--neon-c);
}

/* 等宽字体：数字 / 指标 / 标签 / 代码 */
.stat-num, .timeline-year, .step-num, .panel-title,
.panel-line, .tag, .eyebrow, .dash-k, .dash-v, .track-lbl {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* 大写 + 字距标签 */
.eyebrow, .tag, .kicker {
  text-transform: uppercase;
  letter-spacing: .14em;
}

/* 终端语汇点缀 */
.term {
  font-family: var(--mono);
  color: var(--neon-c);
  font-size: .93em;
  letter-spacing: .02em;
}
.term-ok { color: #34D399; }
.term-warn { color: #FBBF24; }

/* 跳到主内容 */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 20px;
  border-radius: 0 0 var(--r-sm) 0;
  background: var(--bg-3);
  border: 1px solid var(--neon-c);
  color: #fff;
  font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

/* ============ 02 背景装饰 ============ */
/* 光晕：absolute + 隐藏溢出，绝不影响横向滚动 */
.glow {
  position: absolute;
  z-index: -1;
  display: block;
  pointer-events: none;
  border-radius: 50%;
}
.glow::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--g1, rgba(34, 211, 238, .34)) 0%, var(--g2, rgba(168, 85, 247, .16)) 42%, transparent 70%);
}
.glow-c  { --g1: rgba(34, 211, 238, .34); --g2: rgba(34, 211, 238, .08); }
.glow-p  { --g1: rgba(168, 85, 247, .32); --g2: rgba(240, 171, 252, .10); }
.glow-m  { --g1: rgba(240, 171, 252, .22); --g2: rgba(168, 85, 247, .12); }
.glow-a  { width: 420px; height: 420px; top: -140px; left: -120px; }
.glow-b  { width: 380px; height: 380px; top: 120px; right: -140px; }
.glow-c1 { width: 320px; height: 320px; bottom: -120px; left: 18%; }

/* 1px 网格线 + mask-image 径向淡出 */
.grid-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 72% 62% at 50% 34%, #000 0%, rgba(0, 0, 0, .55) 48%, transparent 100%);
  mask-image: radial-gradient(ellipse 72% 62% at 50% 34%, #000 0%, rgba(0, 0, 0, .55) 48%, transparent 100%);
}
.grid-lines.fine { background-size: 32px 32px; opacity: .6; }

/* 扫描线（极淡） */
.scanlines {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(34, 211, 238, .045) 0 1px, transparent 1px 4px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

/* 区块本身承载装饰，统一裁掉溢出 */
.section, .hero, .page-hero, .site-footer, .cta-band { overflow: hidden; }

/* ============ 03 通用布局与组件 ============ */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4.6vw, 34px);
}
.container-narrow { max-width: 900px; }

.section { position: relative; padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-tint { background: var(--bg-2); }
.section-tint-2 { background: var(--bg-3); }
.section-tint::before, .section-tint-2::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, .45), rgba(168, 85, 247, .45), transparent);
}

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.03rem; }
.section-head.left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  font-size: .71rem;
  font-weight: 600;
  color: var(--neon-c);
  letter-spacing: .18em;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon-c);
  box-shadow: 0 0 10px var(--neon-c);
  animation: pulse 2.4s var(--ease) infinite;
}

/* 玻璃拟态卡片 */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: transform .34s var(--ease), border-color .34s var(--ease), box-shadow .34s var(--ease), background .34s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(255, 255, 255, .07), transparent 46%);
}
.card > * { position: relative; z-index: 1; }
.card:hover, .card.is-lit {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, .48);
  background: var(--glass-2);
  box-shadow: var(--glow-mix), 0 22px 44px rgba(0, 0, 0, .42);
}
.card p { color: var(--muted); font-size: .96rem; }
.card h3 { margin-bottom: .45em; }

/* 网格 */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  color: #04060C;
  background: var(--grad);
  box-shadow: var(--glow-c);
  cursor: pointer;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease), filter .26s var(--ease), color .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease);
}
.btn:hover {
  color: #04060C;
  transform: translateY(-2px);
  filter: saturate(1.15) brightness(1.06);
  box-shadow: var(--glow-c), var(--glow-p);
}
.btn:active { transform: translateY(0); }
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }

.btn-ghost {
  color: var(--ink-2);
  background: var(--glass);
  border-color: var(--line-2);
  box-shadow: none;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.btn-ghost:hover {
  color: #fff;
  border-color: rgba(34, 211, 238, .55);
  background: rgba(34, 211, 238, .10);
  box-shadow: var(--glow-c);
}
.btn-sm { padding: 9px 20px; font-size: .86rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: .93rem;
  color: var(--neon-c);
}
.link-arrow::after { content: "→"; transition: transform .26s var(--ease); }
.link-arrow:hover::after { transform: translateX(5px); }

/* 图标容器 */
.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  margin-bottom: 18px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(34, 211, 238, .3);
  background: linear-gradient(140deg, rgba(34, 211, 238, .18), rgba(168, 85, 247, .18));
  color: var(--neon-c);
  box-shadow: inset 0 0 18px rgba(34, 211, 238, .12);
}
.icon-box svg { width: 24px; height: 24px; }
.icon-box.violet { color: var(--neon-m); border-color: rgba(168, 85, 247, .34); }
.icon-box.magenta { color: var(--neon-m); border-color: rgba(240, 171, 252, .34); }

/* 标签 */
.tag {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .05);
  font-size: .68rem;
  font-weight: 600;
  color: var(--body);
  letter-spacing: .14em;
}
.tag.neon { color: var(--neon-c); border-color: rgba(34, 211, 238, .4); background: rgba(34, 211, 238, .10); }
.tag.violet { color: var(--neon-m); border-color: rgba(168, 85, 247, .4); background: rgba(168, 85, 247, .12); }

/* 统计数字 */
.stat { text-align: left; }
.stat-num {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  text-shadow: 0 0 26px rgba(34, 211, 238, .35);
}
.stat-num .unit { font-size: .5em; margin-left: 4px; color: var(--neon-c); }
.stat-label { margin-top: 8px; color: var(--muted); font-size: .88rem; }

/* 勾选列表 */
.check-list { display: grid; gap: 13px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li {
  position: relative;
  margin: 0;
  padding-left: 32px;
  color: var(--body);
  font-size: .96rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .3em;
  width: 18px; height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(34, 211, 238, .45);
  background: rgba(34, 211, 238, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322D3EE' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px 11px no-repeat;
}

/* 代码 / 终端小片段 */
.code-inline {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: rgba(34, 211, 238, .08);
  font-family: var(--mono);
  font-size: .86em;
  color: var(--neon-c);
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.spec-table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: .92rem; }
.spec-table th, .spec-table td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.spec-table thead th {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon-c);
  background: rgba(34, 211, 238, .06);
  white-space: nowrap;
}
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: rgba(34, 211, 238, .05); }
.spec-table td:first-child { color: var(--ink-2); font-weight: 600; white-space: nowrap; }
.spec-table code { font-family: var(--mono); color: var(--neon-m); font-size: .9em; }

/* ============ 04 页头与导航 ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 7, 14, .62);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease), -webkit-backdrop-filter .3s var(--ease), backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(5, 7, 14, .86);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .5), 0 1px 0 rgba(34, 211, 238, .16);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: var(--header-h);
}

.logo { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  flex: 0 0 auto;
  border-radius: 11px;
  border: 1px solid rgba(34, 211, 238, .35);
  background: linear-gradient(140deg, rgba(34, 211, 238, .22), rgba(168, 85, 247, .24));
  box-shadow: 0 0 20px rgba(34, 211, 238, .3);
}
.logo-mark svg { width: 22px; height: 22px; }
/* 全称为 12 个汉字，字号按断点收窄，保证 1440 / 900 / 390 下与导航不重叠 */
.logo-text { font-size: .92rem; font-weight: 700; letter-spacing: .04em; line-height: 1.1; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav > a {
  position: relative;
  padding: 9px 15px;
  border-radius: 10px;
  font-size: .94rem;
  font-weight: 500;
  color: var(--body);
}
.nav > a:hover { color: #fff; background: rgba(34, 211, 238, .09); }
.nav > a.is-active { color: var(--ink); font-weight: 600; }
.nav > a.is-active::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(34, 211, 238, .8);
}

.nav-cta { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: .86rem;
  font-weight: 600;
  color: var(--ink-2);
}
.header-tel svg { width: 16px; height: 16px; color: var(--neon-c); }
.header-tel:hover { color: var(--neon-c); }

.nav-toggle {
  display: none;
  position: relative;
  width: 42px; height: 42px;
  flex: 0 0 auto;          /* 永不被 flex 压缩 */
  min-width: 44px;         /* 移动端最小可点区域 */
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  cursor: pointer;
}
.nav-toggle span {
  position: absolute;
  left: 11px; right: 11px; top: 50%;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), background .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(3, 5, 11, .72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }

/* ============ 05 首屏 Hero 与终端面板 ============ */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 74px) 0 92px;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero-lead { max-width: 36em; font-size: 1.06rem; color: var(--body); }
.hero .btn-row { margin-top: 30px; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero-meta .stat-num { font-size: 1.72rem; }
.hero-meta .stat-label { font-size: .84rem; }

.hero-visual { position: relative; min-width: 0; }

/* 终端 / 控制台面板 */
.panel {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid rgba(34, 211, 238, .32);
  background: linear-gradient(165deg, rgba(15, 23, 48, .94), rgba(5, 7, 14, .96));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: 0 0 40px rgba(34, 211, 238, .2), 0 30px 60px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .07);
  overflow: hidden;
}
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(34, 211, 238, .05) 0 1px, transparent 1px 4px);
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .035);
}
.panel-dot { width: 10px; height: 10px; border-radius: 50%; background: #FF5F57; flex: 0 0 auto; }
.panel-dot:nth-child(2) { background: #FEBC2E; }
.panel-dot:nth-child(3) { background: #28C840; }
.panel-title {
  margin-left: 8px;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.panel-body { position: relative; z-index: 1; padding: 18px 18px 20px; }

.panel-lines { display: grid; gap: 7px; margin-bottom: 18px; }
.panel-line {
  display: flex;
  gap: 9px;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--body);
  overflow-wrap: anywhere;
}
.panel-line .ps1 { color: var(--neon-p); flex: 0 0 auto; }
.panel-line .ok { color: #34D399; flex: 0 0 auto; }
.panel-line .val { color: var(--ink-2); }

.dash-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  padding: 14px 0 16px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.dash-k { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.dash-v {
  font-size: 1.62rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  text-align: right;
  text-shadow: 0 0 22px rgba(34, 211, 238, .5);
}
.dash-v em { color: #34D399; font-style: normal; font-size: .8rem; }

.bars { display: flex; align-items: flex-end; gap: 8px; height: 92px; margin: 18px 0 6px; }
.bars i {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, rgba(34, 211, 238, .9), rgba(34, 211, 238, .16));
  box-shadow: 0 0 16px rgba(34, 211, 238, .3);
}
.bars i:nth-child(even) { background: linear-gradient(180deg, rgba(168, 85, 247, .9), rgba(168, 85, 247, .16)); box-shadow: 0 0 16px rgba(168, 85, 247, .3); }
@keyframes barGrow { from { height: 5% !important; opacity: .25; } }

.track-list { display: grid; gap: 13px; margin-top: 16px; }
.track-item { min-width: 0; }
.track-lbl {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 7px;
}
.track-lbl b { color: var(--neon-c); font-weight: 600; }
.track { height: 6px; border-radius: var(--pill); background: rgba(255, 255, 255, .08); overflow: hidden; }
.track i { display: block; height: 100%; border-radius: var(--pill); background: var(--grad); box-shadow: 0 0 14px rgba(34, 211, 238, .6); }

/* 浮动状态徽章 + 呼吸光点 */
.float-badge {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line-2);
  background: rgba(10, 15, 30, .82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-2);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .5), 0 0 26px rgba(34, 211, 238, .2);
  white-space: nowrap;
  animation: bob 6s var(--ease) infinite;
}
.float-badge .dot {
  width: 8px; height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #34D399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .55);
  animation: pulse 2.2s var(--ease) infinite;
}
.float-badge.b1 { top: 22px; right: -14px; }
.float-badge.b2 { bottom: 44px; left: -18px; animation-delay: -2.6s; }
.float-badge.b2 .dot { background: var(--neon-p); box-shadow: 0 0 0 0 rgba(168, 85, 247, .55); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 211, 238, .5); }
  70%  { box-shadow: 0 0 0 9px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

/* 客户标识墙 */
.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.logo-wall span {
  padding: 11px 22px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  font-family: var(--mono);
  font-size: .86rem;
  letter-spacing: .06em;
  color: var(--muted);
  transition: color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.logo-wall span:hover {
  color: var(--ink);
  border-color: rgba(34, 211, 238, .45);
  box-shadow: var(--glow-c);
}

/* ============ 06 通用区块 ============ */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 68px) 0 68px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { max-width: 20em; }
.page-hero .lead { max-width: 44em; font-size: 1.05rem; color: var(--body); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 20px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb li { margin: 0; }
.breadcrumb a { color: var(--body); }
.breadcrumb a:hover { color: var(--neon-c); }
.breadcrumb span { color: var(--faint); }

/* 分栏图文 */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px;
  align-items: center;
}
.split.reverse .split-media { order: -1; }
.split h2 { margin-bottom: 18px; }

.figure-card {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(168, 85, 247, .32);
  background: linear-gradient(160deg, rgba(15, 23, 48, .9), rgba(10, 15, 30, .92));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--glow-p), 0 26px 50px rgba(0, 0, 0, .45);
  overflow: hidden;
}
.figure-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 32px 32px;
}
.figure-card > * { position: relative; }
.figure-card h3 { color: var(--ink); }
.figure-card > p { color: var(--body); font-size: .94rem; }
.mini-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 22px; }
.mini-stats b {
  display: block;
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  text-shadow: 0 0 22px rgba(34, 211, 238, .45);
}
.mini-stats span { font-size: .82rem; color: var(--muted); }

/* 时间线 */
.timeline { position: relative; display: grid; gap: 26px; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(34, 211, 238, .7), rgba(168, 85, 247, .7), transparent);
}
.timeline-item { position: relative; padding: 22px 24px; }
.timeline-item::before {
  content: "";
  position: absolute;
  z-index: 2; /* 抬到卡片玻璃层之上，避免被 backdrop-filter 叠层遮挡 */
  left: -33px; top: 28px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--neon-c);
  box-shadow: 0 0 16px rgba(34, 211, 238, .85);
}
.timeline-year {
  display: inline-block;
  margin-bottom: 8px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--neon-c);
}
.timeline-item h4 { margin-bottom: .35em; }
.timeline-item p { color: var(--muted); font-size: .94rem; }

/* 流程步骤 */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 26px 22px; }
.step-num {
  display: block;
  margin-bottom: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  color: transparent;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
}
.step h4 { margin-bottom: .35em; }
.step p { color: var(--muted); font-size: .93rem; }

/* 团队卡 */
.team-card { text-align: center; }
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 74px; height: 74px;
  margin-bottom: 16px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, .4);
  background: linear-gradient(140deg, #0F1730, #1B2450);
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  box-shadow: var(--glow-c);
}
.avatar.v2 { border-color: rgba(168, 85, 247, .45); box-shadow: var(--glow-p); }
.avatar.v3 { border-color: rgba(240, 171, 252, .45); box-shadow: 0 0 34px rgba(240, 171, 252, .4); }
.team-card .role {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon-c);
}
.team-card p { color: var(--muted); font-size: .92rem; }

/* 评价卡 */
.quote-card { padding-top: 40px; }
.quote-card::before {
  content: "“";
  position: absolute;
  left: 22px; top: 12px;
  font-size: 3.4rem;
  line-height: 1;
  color: rgba(34, 211, 238, .38);
  font-family: Georgia, "Songti SC", serif;
}
.quote-card blockquote { margin: 0 0 20px; font-size: .98rem; color: var(--ink-2); }
.quote-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote-author .av {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, .4);
  background: rgba(34, 211, 238, .12);
  font-family: var(--mono);
  font-size: .92rem;
  font-weight: 700;
  color: var(--ink);
}
.quote-author .who { font-weight: 700; color: var(--ink); font-size: .93rem; }
.quote-author .org { font-size: .82rem; color: var(--muted); }

/* CTA 条 */
.cta-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 46px 44px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(34, 211, 238, .3);
  background: linear-gradient(120deg, rgba(34, 211, 238, .12), rgba(168, 85, 247, .14) 55%, rgba(10, 15, 30, .9));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--glow-mix), 0 30px 60px rgba(0, 0, 0, .45);
}
.cta-band h2 { margin-bottom: .3em; }
.cta-band p { margin: 0; max-width: 40em; color: var(--body); }
.cta-band .btn-row { flex: 0 0 auto; }

/* ============ 07 产品页 ============ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-bar button {
  padding: 10px 20px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--body);
  cursor: pointer;
  transition: color .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease), box-shadow .26s var(--ease);
}
.filter-bar button:hover { color: var(--ink); border-color: rgba(34, 211, 238, .45); }
.filter-bar button.is-active {
  color: #04060C;
  border-color: transparent;
  background: var(--grad);
  box-shadow: var(--glow-c);
}

.product-card .card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.product-card .icon-box { margin-bottom: 0; }
.product-card h3 { margin-top: 20px; }
.product-card ul { display: grid; gap: 9px; margin: 18px 0 24px; padding: 0; list-style: none; }
.product-card ul li { position: relative; margin: 0; padding-left: 20px; font-size: .92rem; color: var(--body); }
.product-card ul li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--neon-c);
}
.product-card .card-foot { margin-top: auto; }
.product-card[hidden] { display: none; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq-item {
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.faq-item[open] { border-color: rgba(34, 211, 238, .45); box-shadow: var(--glow-c); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 26px; height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--neon-c);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); background: rgba(34, 211, 238, .16); }
.faq-body { padding: 0 24px 22px; color: var(--muted); font-size: .95rem; }

/* ============ 08 关于页 ============ */
.value-card { border-top: 2px solid transparent; }
.value-card:hover { border-top-color: var(--neon-c); }

.office-list { display: grid; gap: 14px; }
.office {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.office:hover { border-color: rgba(34, 211, 238, .45); transform: translateX(4px); box-shadow: var(--glow-c); }
.office .pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  flex: 0 0 auto;
  border-radius: 11px;
  border: 1px solid rgba(168, 85, 247, .35);
  background: rgba(168, 85, 247, .12);
  color: var(--neon-m);
}
.office .pin svg { width: 18px; height: 18px; }
.office { min-width: 0; }
.office > span:last-child { display: block; min-width: 0; }
.office .city { display: block; font-weight: 700; color: var(--ink); }
.office .city small {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon-c);
}
.office .addr { color: var(--muted); font-size: .89rem; }

/* ============ 09 联系页 ============ */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.info-list { display: grid; gap: 14px; }
.info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.info-card:hover { border-color: rgba(34, 211, 238, .42); transform: translateY(-3px); box-shadow: var(--glow-c); }
.info-card .ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  flex: 0 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(34, 211, 238, .32);
  background: rgba(34, 211, 238, .1);
  color: var(--neon-c);
}
.info-card .ic svg { width: 19px; height: 19px; }
.info-card h4 { margin-bottom: .3em; }
.info-card p { margin: 0; color: var(--muted); font-size: .91rem; overflow-wrap: anywhere; }
.info-card p a { font-weight: 600; font-family: var(--mono); font-size: .95em; }

.form-card {
  padding: 34px 32px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(34, 211, 238, .26);
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--glow-mix), 0 26px 54px rgba(0, 0, 0, .4);
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .89rem; font-weight: 600; color: var(--ink-2); }
.field label .req { color: var(--neon-m); margin-left: 4px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: rgba(5, 7, 14, .55);
  font-family: inherit;
  font-size: .94rem;
  color: var(--ink);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);
}
.field textarea { resize: vertical; min-height: 132px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--neon-c);
  background: rgba(5, 7, 14, .8);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .18), var(--glow-c);
}
.field select option { background: var(--bg-3); color: var(--ink); }
.field .err {
  display: none;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .02em;
  color: #FCA5A5;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #F87171;
  background: rgba(248, 113, 113, .08);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, .14);
}
.field.has-error .err { display: block; }

.checkbox-row { display: flex; align-items: flex-start; gap: 11px; cursor: pointer; font-size: .89rem; color: var(--body); }
.checkbox-row input {
  flex: 0 0 auto;
  width: 18px; height: 18px;
  margin: 5px 0 0;
  accent-color: var(--neon-c);
}
.field.has-error .checkbox-row { color: #FCA5A5; }

.form-note { margin: 16px 0 0; font-size: .82rem; color: var(--faint); }
.form-success {
  display: none;
  align-items: flex-start;
  gap: 11px;
  margin-top: 20px;
  padding: 15px 18px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(52, 211, 153, .45);
  background: rgba(52, 211, 153, .1);
  color: #A7F3D0;
  font-size: .9rem;
  box-shadow: 0 0 34px rgba(52, 211, 153, .22);
}
.form-success.is-visible { display: flex; }
.form-success svg { width: 19px; height: 19px; flex: 0 0 auto; margin-top: 4px; }

.map-card {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(15, 23, 48, .88), rgba(5, 7, 14, .92));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  overflow: hidden;
}
.map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(34, 211, 238, .12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 211, 238, .12) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 70% 40%, #000, transparent 72%);
}
.map-card > * { position: relative; }
.map-card .pin-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 16px;
  border-radius: 14px;
  border: 1px solid rgba(34, 211, 238, .4);
  background: rgba(34, 211, 238, .12);
  color: var(--neon-c);
  box-shadow: var(--glow-c);
}
.map-card .pin-lg svg { width: 22px; height: 22px; }
.map-card h4 { margin-bottom: .3em; }
.map-card p { color: var(--muted); font-size: .92rem; }

/* ============ 10 页脚与浮层 ============ */
.site-footer {
  position: relative;
  padding: 74px 0 30px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr;
  gap: 38px;
}
.site-footer .logo { color: var(--ink); }
.footer-about { margin: 20px 0 22px; max-width: 30em; color: var(--muted); font-size: .92rem; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--body);
  transition: color .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease), transform .28s var(--ease);
}
.footer-social a:hover {
  color: var(--ink);
  border-color: rgba(34, 211, 238, .5);
  box-shadow: var(--glow-c);
  transform: translateY(-3px);
}
.footer-social svg { width: 17px; height: 17px; }

.footer-col h5 {
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--neon-c);
}
.footer-col ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.footer-col li { margin: 0; }
.footer-col a { color: var(--muted); font-size: .91rem; overflow-wrap: anywhere; }
.footer-col a:hover { color: var(--ink); }
.footer-contact { display: grid; gap: 14px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; margin-top: 5px; flex: 0 0 auto; color: var(--neon-c); }
.footer-contact span { font-size: .9rem; color: var(--muted); overflow-wrap: anywhere; }
.footer-contact strong { color: var(--ink); font-family: var(--mono); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: .84rem;
  color: var(--faint);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--neon-c); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: rgba(15, 23, 48, .9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s var(--ease), visibility .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: rgba(34, 211, 238, .6); box-shadow: var(--glow-c); }
.to-top svg { width: 18px; height: 18px; }

/* ============ 11 响应式 ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 52px; }
  .hero-visual { max-width: 620px; }
  .hero-meta { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 38px; }
  .split.reverse .split-media { order: 0; }
}

@media (max-width: 900px) {
  :root { --header-h: 62px; }

  .header-tel { display: none; }
  .nav-toggle { display: block; }
  .logo-text { font-size: .86rem; }

  /* 移动端抽屉导航 */
  .nav {
    position: fixed;
    top: 0; right: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: min(84vw, 330px);
    height: 100%;
    padding: 86px 22px 34px;
    overflow-y: auto;
    border-left: 1px solid var(--line);
    background: rgba(10, 15, 30, .96);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: -24px 0 60px rgba(0, 0, 0, .6);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform .34s var(--ease), visibility .34s var(--ease);
  }
  body.nav-open .nav { transform: translateX(0); visibility: visible; }
  .nav > a {
    padding: 15px 16px;
    border-radius: var(--r-sm);
    border: 1px solid transparent;
    font-size: 1rem;
  }
  .nav > a.is-active {
    border-color: rgba(34, 211, 238, .35);
    background: rgba(34, 211, 238, .1);
  }
  .nav > a.is-active::after { display: none; }
  .nav-cta { display: block; margin-top: 18px; }
  .nav-cta .btn { width: 100%; }

  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 76px 0; }
  .section-head { margin-bottom: 42px; }
  .hero { padding-top: calc(var(--header-h) + 54px); padding-bottom: 70px; }
  .hero-meta { gap: 18px; }
}

@media (max-width: 768px) {
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .float-badge.b1 { right: 10px; }
  .float-badge.b2 { left: 10px; bottom: 30px; }
  .cta-band { padding: 36px 26px; }
  .form-card { padding: 26px 20px; }
  .table-wrap { border-radius: var(--r-sm); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .mini-stats { grid-template-columns: minmax(0, 1fr); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 62px 0; }
  .card { padding: 24px 20px; }
  .filter-bar { justify-content: flex-start; }
  .logo-text { font-size: .78rem; letter-spacing: .01em; }
}

@media (max-width: 430px) {
  body { font-size: 15.5px; }
  .hero { padding-top: calc(var(--header-h) + 34px); padding-bottom: 52px; }
  .hero-meta { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-top: 34px; padding-top: 24px; }
  .hero-meta .stat-num { font-size: 1.6rem; }
  .panel-body { padding: 16px 14px 18px; }
  .btn { padding: 12px 22px; font-size: .92rem; }
  .btn-row { gap: 11px; }
  .btn-row .btn { flex: 1 1 auto; }
  .footer-top { gap: 28px; }
  .to-top { right: 14px; bottom: 14px; width: 42px; height: 42px; }
  .logo-text { font-size: .8rem; letter-spacing: 0; }
  .cta-band { padding: 30px 20px; }
  .float-badge { font-size: .68rem; padding: 7px 12px; }
}

/* ============ 12 动效降级与打印 ============ */
/* 仅在 JS 可用时隐藏待入场元素，保证无 JS 时内容完整可见 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-delay="1"] { transition-delay: .08s; }
.js [data-delay="2"] { transition-delay: .16s; }
.js [data-delay="3"] { transition-delay: .24s; }
.js [data-delay="4"] { transition-delay: .32s; }
.js [data-delay="5"] { transition-delay: .40s; }
.js [data-delay="6"] { transition-delay: .48s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  :root { --bg: #fff; --bg-2: #fff; --bg-3: #fff; --ink: #000; --ink-2: #111; --body: #222; --muted: #444; }
  html, body { background: #fff !important; color: #111 !important; }
  body::before, .glow, .grid-lines, .scanlines, .panel::after, .figure-card::before, .map-card::before { display: none !important; }
  .site-header, .nav, .nav-backdrop, .nav-toggle, .to-top, .skip-link, .filter-bar, .btn, .footer-social { display: none !important; }
  .card, .faq-item, .info-card, .office, .form-card, .panel, .figure-card, .cta-band, .table-wrap {
    background: #fff !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .section, .hero, .page-hero { padding: 18px 0 !important; }
  a { color: #111 !important; }
  .faq-item { break-inside: avoid; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}