/* ============================================================
   广东玉米智能科技有限公司 · 官网全局样式
   深色科技商务风格 / 品牌色 #2F6BFF / 强调青 #00D4FF
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 背景层 */
  --bg-0: #070B1A;
  --bg-1: #0B1220;
  --bg-2: #0F172A;
  --bg-deep: #050813;
  --card: rgba(15, 23, 42, .72);
  --card-solid: #101A2E;
  --card-hi: rgba(23, 34, 58, .78);

  /* 描边与发光 */
  --line: rgba(56, 189, 248, .18);
  --line-mid: rgba(56, 189, 248, .30);
  --line-hi: rgba(56, 189, 248, .55);
  --glow: 0 0 24px rgba(56, 189, 248, .45);
  --glow-sm: 0 0 16px rgba(56, 189, 248, .30);
  --glow-brand: 0 0 28px rgba(47, 107, 255, .38);
  --shadow-card: 0 18px 48px -22px rgba(2, 6, 20, .92);

  /* 文字 */
  --txt: #F8FAFC;
  --txt-2: #CBD5E1;
  --txt-3: #94A3B8;
  --txt-4: #64748B;

  /* 品牌 */
  --brand: #2F6BFF;
  --brand-d: #1E4FD8;
  --cyan: #00D4FF;
  --violet: #7C5CFF;
  --gold: #F5B942;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #2F6BFF 0%, #00D4FF 100%);
  --grad-num: linear-gradient(118deg, #00D4FF 0%, #2F6BFF 46%, #7C5CFF 100%);
  --grad-gold: linear-gradient(120deg, #F5B942, #FFD98A);
  --grad-line: linear-gradient(90deg, transparent, rgba(56, 189, 248, .55), transparent);

  /* 排版 */
  --font: 'Inter', 'HarmonyOS Sans SC', 'HarmonyOS Sans', 'PingFang SC',
          'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-num: 'Inter', 'SF Pro Display', system-ui, sans-serif;

  /* 布局 */
  --container: 1280px;
  --gut: clamp(20px, 4.4vw, 48px);
  --sec-y: clamp(72px, 8.4vw, 132px);
  --nav-h: 76px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

@media (min-width: 1920px) { :root { --container: 1560px; --nav-h: 84px; } }
@media (min-width: 2560px) { :root { --container: 1780px; --sec-y: 152px; } }

/* ---------- 2. 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--txt);
  font-family: var(--font);
  font-size: clamp(14px, .35vw + 13.2px, 16.5px);
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: .01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.24; letter-spacing: -.012em; }
p { margin: 0; }
::selection { background: rgba(47, 107, 255, .42); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #05080f; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(47, 107, 255, .75), rgba(0, 212, 255, .5));
  border-radius: 20px;
  border: 2px solid #05080f;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #2F6BFF, #00D4FF); }

/* 焦点可见性 */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. 页面背景：水印 + 网格 ---------- */
/* 固定水印层：第二屏起内容层在其上方滑动 */
.bg-wm {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--bg-0);
  background-image:
    /* 科技点阵 */
    radial-gradient(circle, rgba(56, 189, 248, .12) 1px, transparent 1.6px),
    /* 细网格 */
    linear-gradient(rgba(56, 189, 248, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .045) 1px, transparent 1px);
  background-size: 30px 30px, 72px 72px, 72px 72px;
  background-position: 0 0, 0 0, 0 0;
  background-repeat: repeat;
  opacity: 1;
  transition: opacity .6s var(--ease);
}
/* 多色径向光晕：蓝 / 紫 / 青，营造科技氛围，边缘柔和淡出 */
.bg-wm::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(920px 820px at 10% -6%, rgba(47, 107, 255, .20), transparent 60%),
    radial-gradient(820px 760px at 94% 12%, rgba(124, 92, 255, .17), transparent 60%),
    radial-gradient(1100px 980px at 80% 110%, rgba(0, 212, 255, .13), transparent 62%);
  -webkit-mask-image: radial-gradient(125% 125% at 50% 38%, #000 52%, transparent 100%);
          mask-image: radial-gradient(125% 125% at 50% 38%, #000 52%, transparent 100%);
}
/* 上下压暗渐变，保证内容层对比度 */
.bg-wm::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 11, 26, .55) 0%, rgba(11, 18, 32, .42) 45%, rgba(7, 11, 26, .7) 100%);
}

/* 首屏之上的独立水印层（可被 Hero 覆盖） */
.wm-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(56, 189, 248, .10) 1px, transparent 1.5px),
    linear-gradient(rgba(56, 189, 248, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .04) 1px, transparent 1px);
  background-size: 30px 30px, 72px 72px, 72px 72px;
  background-position: 0 0, 0 0, 0 0;
  opacity: .05;
}

/* ---------- 4. 布局工具类 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.section { position: relative; padding-block: var(--sec-y); }
.section--tight { padding-block: clamp(56px, 6vw, 92px); }
.section--deep { background: linear-gradient(180deg, rgba(5, 8, 19, .82), rgba(5, 8, 19, .5)); }
.section--panel {
  background: linear-gradient(180deg, rgba(11, 18, 32, .8), rgba(7, 11, 26, .6));
  border-block: 1px solid rgba(56, 189, 248, .1);
}

/* 顶部滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 300;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, #2F6BFF, #00D4FF 55%, #7C5CFF);
  box-shadow: 0 0 12px rgba(0, 212, 255, .7);
  pointer-events: none;
}

/* 通用发光分割线 */
.hr-glow { height: 1px; border: 0; background: var(--grad-line); margin: 0; opacity: .55; }

/* 线性图标统一描边 */
.icon {
  width: 20px; height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}
.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 26px; height: 26px; stroke-width: 1.5; }
.quali__item .icon, .ccard__icon .icon, .mod__icon .icon, .icard__icon .icon,
.vcard__icon .icon { width: 22px; height: 22px; }
.quali__item .icon, .travel .icon { width: 20px; height: 20px; }
.nav__tel .icon { width: 16px; height: 16px; }
.case-hero__quote .icon { width: 22px; height: 22px; fill: currentColor; stroke: none; opacity: .75; }
.metrics__foot .icon, .cta-band__note .icon { width: 15px; height: 15px; }

/* ---------- 5. 标题与文本 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 7px 16px 7px 14px;
  border: 1px solid rgba(0, 212, 255, .26);
  border-radius: 100px;
  background: rgba(0, 212, 255, .06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  white-space: nowrap;
}
.eyebrow i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.4s ease-in-out infinite;
  flex: none;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.7); }
}

.sec-head { max-width: 800px; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head .eyebrow { margin-bottom: 20px; }
.sec-title {
  font-size: clamp(26px, 3.1vw, 46px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.22;
}
.sec-sub {
  margin-top: 16px;
  color: var(--txt-3);
  font-size: clamp(14px, .5vw + 12.8px, 17px);
  max-width: 68ch;
}
.sec-head--center .sec-sub { margin-inline: auto; }

.grad {
  background: var(--grad-num);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.grad-gold {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.t-2 { color: var(--txt-2); }
.t-3 { color: var(--txt-3); }

/* ---------- 6. 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: clamp(46px, 3.4vw, 54px);
  padding-inline: clamp(22px, 1.8vw, 32px);
  border: 0;
  border-radius: 100px;
  font-size: clamp(14px, .3vw + 13.4px, 15.5px);
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease),
              background-color .32s var(--ease), border-color .32s var(--ease), color .32s var(--ease);
  overflow: hidden;
  isolation: isolate;
  -webkit-tap-highlight-color: transparent;
}
.btn svg { flex: none; }

/* 主按钮：品牌渐变 + 发光 */
.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, #2F6BFF 0%, #2C8BFF 48%, #00D4FF 100%);
  box-shadow: 0 10px 30px -12px rgba(47, 107, 255, .85), inset 0 1px 0 rgba(255, 255, 255, .28);
}
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #4B82FF, #37E0FF);
  opacity: 0;
  transition: opacity .32s var(--ease);
  z-index: -1;
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -12px rgba(0, 212, 255, .82), 0 0 26px rgba(0, 212, 255, .4); }
.btn--primary:hover::after { opacity: 1; }
.btn--primary:active { transform: translateY(0); }

/* 次级按钮：细边框描边 */
.btn--ghost {
  color: var(--txt);
  background: rgba(15, 23, 42, .5);
  border: 1px solid rgba(56, 189, 248, .32);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, .75);
  background: rgba(47, 107, 255, .16);
  box-shadow: var(--glow-sm);
}

/* 文字按钮 */
.btn--text {
  height: auto; padding: 0;
  color: var(--cyan);
  background: none;
  font-weight: 500;
  gap: 8px;
}
.btn--text .arr { transition: transform .32s var(--ease); }
.btn--text:hover .arr { transform: translateX(5px); }

.btn--block { width: 100%; }
.btn--sm { height: 42px; padding-inline: 20px; font-size: 14px; }

/* 箭头图标 */
.arr { width: 15px; height: 15px; flex: none; }

/* ---------- 7. 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color .45s var(--ease), backdrop-filter .45s var(--ease),
              border-color .45s var(--ease), box-shadow .45s var(--ease), height .45s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 7, 16, .78), transparent);
  opacity: 1;
  transition: opacity .45s var(--ease);
  pointer-events: none;
}
.nav.is-stuck {
  background: rgba(7, 11, 26, .74);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom-color: rgba(56, 189, 248, .16);
  box-shadow: 0 12px 40px -24px rgba(0, 0, 0, .95);
}
.nav.is-stuck::before { opacity: 0; }

.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: flex;
  align-items: center;
  gap: 28px;
}

/* 品牌区 */
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand__mark {
  width: 42px; height: 42px;
  border-radius: 50%;
  filter: drop-shadow(0 4px 14px rgba(47, 107, 255, .55));
  transition: transform .5s var(--ease), filter .5s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.05); filter: drop-shadow(0 4px 20px rgba(0, 212, 255, .7)); }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 17px; font-weight: 700; letter-spacing: .04em; }
.brand__sub {
  font-family: var(--font-num);
  font-size: 9.5px; font-weight: 500;
  letter-spacing: .3em;
  color: var(--txt-4);
  text-transform: uppercase;
}

/* 导航链接 */
.nav__links { display: flex; align-items: center; gap: 4px; margin-inline: auto; }
.nav__link {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--txt-2);
  border-radius: 8px;
  transition: color .3s var(--ease), background-color .3s var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 1.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, #2F6BFF, #00D4FF);
  box-shadow: 0 0 10px rgba(0, 212, 255, .8);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .38s var(--ease);
}
.nav__link:hover { color: var(--txt); background: rgba(56, 189, 248, .07); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: #fff; font-weight: 600; }

.nav__actions { display: flex; align-items: center; gap: 14px; flex: none; }
.nav__tel {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-num);
  font-size: 14px; font-weight: 600;
  color: var(--txt-2);
  letter-spacing: .04em;
  transition: color .3s var(--ease);
}
.nav__tel svg { color: var(--cyan); }
.nav__tel:hover { color: #fff; }

/* 汉堡按钮 */
.nav__burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(56, 189, 248, .28);
  border-radius: 12px;
  background: rgba(15, 23, 42, .6);
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav__burger span {
  display: block; width: 18px; height: 1.6px; margin: 3px auto;
  background: var(--txt); border-radius: 2px;
  transition: transform .38s var(--ease), opacity .3s var(--ease);
}
.nav__burger.is-open span:nth-child(1) { transform: translateY(4.6px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-4.6px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(5, 8, 19, .95);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  padding: calc(var(--nav-h) + 24px) var(--gut) 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
  overflow-y: auto;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer__link {
  padding: 18px 4px;
  font-size: 19px;
  font-weight: 600;
  border-bottom: 1px solid rgba(56, 189, 248, .12);
  display: flex; align-items: center; justify-content: space-between;
}
.drawer__link span { color: var(--txt-4); font-family: var(--font-num); font-size: 12px; }
.drawer__link.is-active { color: var(--cyan); }
.drawer__foot { margin-top: auto; padding-top: 32px; display: grid; gap: 14px; }
.drawer__meta { color: var(--txt-3); font-size: 14px; display: flex; align-items: center; gap: 10px; }

/* ---------- 8. Hero（固定背景层） ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + clamp(24px, 5vh, 64px));
  padding-bottom: clamp(56px, 9vh, 108px);
  overflow: hidden;
  isolation: isolate;
}
/* 背景固定不动：视口定位，内容层向上滑动覆盖 */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed;
  transform: translateZ(0);
  will-change: background-position;
}
/* 蓝紫渐变遮罩：压暗背景，让文字层级清晰 */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 700px at 14% 22%, rgba(7, 11, 26, .88), transparent 66%),
    linear-gradient(100deg, rgba(7, 11, 26, .95) 0%, rgba(7, 11, 26, .78) 38%, rgba(11, 18, 32, .42) 68%, rgba(11, 18, 32, .3) 100%),
    linear-gradient(180deg, rgba(7, 11, 26, .8) 0%, transparent 26%, transparent 72%, rgba(7, 11, 26, .92) 100%);
}
/* 底部网格过渡，衔接第二屏水印 */
.hero__grid {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 42%;
  z-index: -1;
  background-image:
    linear-gradient(rgba(56, 189, 248, .11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .11) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 72%);
  mask-image: linear-gradient(180deg, transparent, #000 72%);
  perspective: 400px;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  z-index: -1;
  width: min(620px, 55vw);
  aspect-ratio: 1;
  right: -6%;
  top: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 107, 255, .3), rgba(124, 92, 255, .14) 45%, transparent 70%);
  filter: blur(28px);
  pointer-events: none;
}

.hero__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
/* 首页首屏：单栏居中排布（原右侧「运行概览」看板已移除） */
.hero--home .hero__inner { justify-items: center; text-align: center; }
.hero--home .hero__copy { width: 100%; max-width: 880px; }
.hero--home .hero__desc { margin-inline: auto; }
.hero--home .hero__cta,
.hero--home .hero__stats { justify-content: center; }

.hero__eyebrow { margin-bottom: clamp(18px, 2vh, 28px); }
.hero__title {
  font-size: clamp(34px, 4.3vw, 68px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.16;
  text-wrap: balance;
}
.hero__title .thin { font-weight: 300; color: var(--txt-2); }
.hero__lead {
  margin-top: clamp(18px, 2.2vh, 26px);
  font-size: clamp(16px, .8vw + 13.6px, 21px);
  font-weight: 500;
  color: var(--txt);
  letter-spacing: .01em;
}
.hero__desc {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--txt-3);
  font-size: clamp(14px, .34vw + 13.1px, 16px);
}
.hero__cta { margin-top: clamp(28px, 3.4vh, 40px); display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats {
  margin-top: clamp(32px, 4.4vh, 52px);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 2.6vw, 42px);
}
.hero__stat { min-width: 108px; }
.hero__stat b {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(24px, 1.9vw, 34px);
  font-weight: 700;
  letter-spacing: -.02em;
  background: var(--grad-num);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.hero__stat span { font-size: 13px; color: var(--txt-3); }

/* 滚动提示 */
.scroll-cue {
  position: absolute;
  left: 50%; bottom: clamp(16px, 3vh, 30px);
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--txt-4);
  z-index: 2;
}
.scroll-cue__track {
  width: 22px; height: 36px;
  border: 1px solid rgba(56, 189, 248, .4);
  border-radius: 100px;
  position: relative;
}
.scroll-cue__track::after {
  content: '';
  position: absolute;
  left: 50%; top: 7px;
  width: 3px; height: 7px;
  margin-left: -1.5px;
  border-radius: 4px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: cue 2s var(--ease) infinite;
}
@keyframes cue {
  0% { transform: translateY(0); opacity: 0; }
  28% { opacity: 1; }
  70% { transform: translateY(13px); opacity: 0; }
  100% { transform: translateY(13px); opacity: 0; }
}

/* 各页面 Hero 背景图 */
.hero--home .hero__bg { background-image: url(../img/hero-home.webp); }
.hero--about .hero__bg { background-image: url(../img/hero-about.webp); }
.hero--services .hero__bg { background-image: url(../img/hero-services.webp); }
.hero--contact .hero__bg { background-image: url(../img/hero-contact.webp); }

/* 内页首屏（关于/服务/联系）：信息量更聚焦 */
.hero--page { min-height: min(92svh, 900px); }
.hero--page .hero__inner { grid-template-columns: minmax(0, 1fr); }
.hero--page .hero__title { font-size: clamp(32px, 4vw, 62px); }
.hero--page .hero__lead { max-width: 56ch; }

/* 面包屑 */
.crumb {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 13px; color: var(--txt-4);
  margin-bottom: 22px;
}
.crumb a { transition: color .3s var(--ease); }
.crumb a:hover { color: var(--cyan); }
.crumb span { opacity: .5; }
.crumb b { color: var(--txt-2); font-weight: 500; }

/* ---------- 9. 信任条 ---------- */
.trust {
  position: relative;
  padding-block: clamp(44px, 5vw, 72px);
  border-block: 1px solid rgba(56, 189, 248, .13);
  background: linear-gradient(180deg, rgba(10, 16, 30, .86), rgba(7, 11, 26, .68));
}
.trust__top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 18px;
  margin-bottom: clamp(26px, 3vw, 40px);
}
.trust__claim { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.trust__claim b {
  font-family: var(--font-num);
  font-size: clamp(26px, 2.4vw, 40px);
  font-weight: 700;
  letter-spacing: -.02em;
  background: var(--grad-num);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.trust__claim span { color: var(--txt-2); font-size: clamp(14px, .5vw + 12.8px, 18px); font-weight: 500; }
.trust__note { font-size: 12.5px; color: var(--txt-4); text-align: right; }

/* 客户墙（行业背书） */
.wall {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: rgba(56, 189, 248, .1);
  border: 1px solid rgba(56, 189, 248, .12);
  border-radius: var(--r-md);
  overflow: hidden;
}
.wall__item {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: clamp(16px, 1.8vw, 26px) 12px;
  background: rgba(9, 14, 28, .8);
  color: var(--txt-4);
  font-size: 14px; font-weight: 500;
  letter-spacing: .02em;
  filter: grayscale(1);
  transition: filter .4s var(--ease), color .4s var(--ease),
              background-color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
  cursor: default;
}
.wall__item svg { flex: none; opacity: .6; transition: opacity .4s var(--ease), color .4s var(--ease); }
.wall__item:hover {
  filter: none;
  color: #fff;
  background: rgba(47, 107, 255, .14);
  box-shadow: inset 0 0 26px rgba(0, 212, 255, .16);
  transform: translateY(-2px);
}
.wall__item:hover svg { opacity: 1; color: var(--cyan); }

/* 资质条 */
.quali {
  margin-top: clamp(24px, 2.6vw, 34px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.quali__item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border: 1px solid rgba(56, 189, 248, .14);
  border-radius: var(--r-sm);
  background: rgba(15, 23, 42, .5);
  font-size: 13.5px; color: var(--txt-2);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.quali__item:hover { border-color: rgba(56, 189, 248, .42); box-shadow: var(--glow-sm); }
.quali__item svg { flex: none; color: var(--cyan); }

/* ---------- 10. 数据指标区 ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 2.2vw, 32px);
}
.metric {
  position: relative;
  padding: clamp(26px, 2.4vw, 38px);
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.metric::before {
  content: '';
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, .55), transparent);
  opacity: .6;
  transition: opacity .45s var(--ease);
}
.metric:hover { transform: translateY(-4px); border-color: var(--line-hi); box-shadow: var(--glow), var(--shadow-card); }
.metric:hover::before { opacity: 1; }
.metric__label { font-size: 14px; color: var(--txt-2); font-weight: 500; letter-spacing: .04em; }
.metric__num {
  margin-top: 14px;
  display: flex; align-items: baseline; gap: 4px;
  font-family: var(--font-num);
  font-size: clamp(50px, 4.6vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.045em;
  background: var(--grad-num);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.metric__num sup {
  font-size: .38em; font-weight: 600;
  -webkit-text-fill-color: #00D4FF;
  color: #00D4FF;
}
.metric__desc { margin-top: 14px; color: var(--txt-3); font-size: 13.8px; }
.metric__viz { margin-top: 22px; height: 58px; display: flex; align-items: flex-end; gap: 6px; }
.metric__viz--center { align-items: center; justify-content: center; }
.metric__viz i {
  flex: 1;
  border-radius: 4px 4px 2px 2px;
  background: linear-gradient(180deg, rgba(0, 212, 255, .85), rgba(47, 107, 255, .18));
  height: 0;
  transition: height 1.1s var(--ease-out);
  box-shadow: 0 0 12px rgba(0, 212, 255, .22);
}
.metric.is-in .metric__viz i { height: var(--h, 40%); }

/* 环形进度 */
.ring { position: relative; width: 62px; height: 62px; flex: none; }
.ring svg { transform: rotate(-90deg); }
.ring__bg { fill: none; stroke: rgba(148, 163, 184, .18); stroke-width: 5; }
.ring__fg {
  fill: none;
  stroke: #00D4FF;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 163.4;
  stroke-dashoffset: 163.4;
  filter: drop-shadow(0 0 6px rgba(0, 212, 255, .75));
  transition: stroke-dashoffset 1.5s var(--ease-out);
}
.metric.is-in .ring__fg { stroke-dashoffset: var(--off, 49); }

.metrics__foot {
  margin-top: clamp(20px, 2.2vw, 30px);
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--txt-4);
}
.metrics__foot svg { flex: none; opacity: .7; }

/* ---------- 11. 核心价值区 ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2vw, 28px);
}
.vcard {
  position: relative;
  padding: clamp(28px, 2.6vw, 42px) clamp(24px, 2.2vw, 34px) clamp(30px, 2.8vw, 44px);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(22, 32, 54, .78), rgba(11, 17, 32, .72));
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
/* 渐变发丝边框 */
.vcard::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(56, 189, 248, .55), rgba(124, 92, 255, .2) 42%, rgba(56, 189, 248, .04) 72%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: .55;
  transition: opacity .45s var(--ease);
  pointer-events: none;
}
.vcard:hover { transform: translateY(-4px); box-shadow: var(--glow), var(--shadow-card); }
.vcard:hover::after { opacity: 1; }
.vcard__idx {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--txt-4);
  display: flex; align-items: center; gap: 12px;
}
.vcard__idx::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, rgba(56, 189, 248, .3), transparent);
}
.vcard__icon {
  margin-top: 26px;
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 14px;
  color: var(--cyan);
  background: linear-gradient(150deg, rgba(47, 107, 255, .22), rgba(0, 212, 255, .06));
  border: 1px solid rgba(56, 189, 248, .24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
  transition: color .4s var(--ease), transform .5s var(--ease), box-shadow .4s var(--ease);
}
.vcard:hover .vcard__icon { color: #fff; transform: translateY(-2px) scale(1.04); box-shadow: var(--glow-sm); }
.vcard__title {
  margin-top: 24px;
  font-size: clamp(19px, 1.2vw + 15px, 23px);
  font-weight: 600;
  transition: color .4s var(--ease);
}
.vcard:hover .vcard__title { color: var(--cyan); }
.vcard__text { margin-top: 12px; color: var(--txt-3); font-size: 14.6px; }
.vcard__tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }

/* 能力标签 */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px;
  font-size: 12.5px; font-weight: 500;
  color: var(--txt-2);
  border: 1px solid rgba(56, 189, 248, .22);
  border-radius: 100px;
  background: rgba(11, 18, 32, .7);
  transition: color .35s var(--ease), border-color .35s var(--ease), background-color .35s var(--ease);
}
.tag:hover { color: var(--cyan); border-color: rgba(0, 212, 255, .5); background: rgba(0, 212, 255, .08); }
.tag--gold { color: var(--gold); border-color: rgba(245, 185, 66, .3); background: rgba(245, 185, 66, .07); }
.tag--violet { color: #B9A8FF; border-color: rgba(124, 92, 255, .34); background: rgba(124, 92, 255, .09); }
.tag--solid { color: #fff; border-color: transparent; background: var(--grad-brand); }

/* 价值直达通栏 */
.vbar {
  margin-top: clamp(20px, 2vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.6fr);
  gap: clamp(20px, 2.4vw, 40px);
  align-items: center;
  padding: clamp(26px, 2.4vw, 38px) clamp(26px, 2.6vw, 44px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(600px 220px at 0% 50%, rgba(47, 107, 255, .22), transparent 70%),
    linear-gradient(150deg, rgba(20, 30, 52, .78), rgba(10, 16, 30, .72));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.vbar:hover { border-color: var(--line-hi); box-shadow: var(--glow-sm); }
.vbar__title { font-size: clamp(19px, 1.4vw + 14px, 26px); font-weight: 600; }
.vbar__text { margin-top: 10px; color: var(--txt-3); font-size: 14.4px; }
.vbar__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.vbar__cell { border-left: 1px solid rgba(56, 189, 248, .2); padding-left: 18px; }
.vbar__cell b {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(22px, 1.8vw, 30px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
}
.vbar__cell span { font-size: 12.8px; color: var(--txt-3); }

/* ---------- 12. 解决方案区 ---------- */
.sol { position: relative; }
.sol__list { display: grid; gap: clamp(52px, 6vw, 96px); }
.sol__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
}
.sol__row:nth-child(even) .sol__media { order: 2; }
.sol__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, .2);
  aspect-ratio: 4 / 3;
  box-shadow: 0 30px 70px -34px rgba(2, 6, 20, .95);
  transition: border-color .45s var(--ease), box-shadow .45s var(--ease), transform .6s var(--ease);
}
.sol__media:hover { border-color: var(--line-hi); box-shadow: var(--glow), 0 30px 70px -34px rgba(2, 6, 20, .95); }
.sol__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.sol__media:hover img { transform: scale(1.045); }
/* 品宣海报配图：极轻品牌色 + 底部柔和接地，避免压暗/染色影响画面与文字 */
.sol__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(190deg, rgba(47, 107, 255, .08), rgba(124, 92, 255, .08)),
    linear-gradient(0deg, rgba(7, 11, 26, .30), transparent 42%);
  mix-blend-mode: normal;
  transition: opacity .5s var(--ease);
}
.sol__media:hover::after { opacity: .7; }
.sol__badge {
  position: absolute;
  left: 18px; top: 18px;
  z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  font-size: 12.5px; font-weight: 600;
  color: #fff;
  border-radius: 100px;
  background: rgba(7, 11, 26, .72);
  border: 1px solid rgba(56, 189, 248, .34);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.sol__badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.sol__idx {
  font-family: var(--font-num);
  font-size: clamp(42px, 4vw, 62px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(56, 189, 248, .42);
  opacity: .9;
}
.sol__title { margin-top: 16px; font-size: clamp(22px, 1.9vw + 15px, 32px); font-weight: 700; letter-spacing: -.02em; }
.sol__text { margin-top: 14px; color: var(--txt-3); font-size: 15px; max-width: 56ch; }
.sol__feats { margin-top: 24px; display: grid; gap: 12px; }
.sol__feat { display: flex; align-items: flex-start; gap: 11px; font-size: 14.4px; color: var(--txt-2); }
.sol__feat svg { flex: none; margin-top: 4px; color: var(--cyan); }
.sol__tags { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.sol__cta { margin-top: 28px; }

/* ---------- 13. 案例区 ---------- */
.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: stretch;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.case-hero:hover { border-color: var(--line-hi); box-shadow: var(--glow), var(--shadow-card); }
.case-hero__media { position: relative; min-height: 340px; overflow: hidden; }
.case-hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.case-hero:hover .case-hero__media img { transform: scale(1.05); }
.case-hero__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(7, 11, 26, .3), rgba(47, 107, 255, .3) 60%, rgba(124, 92, 255, .34));
}
.case-hero__body { padding: clamp(28px, 2.8vw, 48px) clamp(26px, 2.6vw, 46px) clamp(28px, 2.8vw, 46px) 0; display: flex; flex-direction: column; }
.case-hero__body > * { padding-left: 0; }
.case-hero__kicker { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.case-hero__title { font-size: clamp(21px, 1.7vw + 15px, 30px); font-weight: 700; letter-spacing: -.02em; }
.case-hero__text { margin-top: 14px; color: var(--txt-3); font-size: 15px; }
.case-hero__stats {
  margin-top: 26px;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(56, 189, 248, .16);
}
.case-hero__stats b {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(22px, 1.6vw, 28px);
  font-weight: 700;
  letter-spacing: -.02em;
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.case-hero__stats span { font-size: 12.5px; color: var(--txt-3); }
.case-hero__quote {
  margin-top: auto;
  padding-top: 26px;
  display: flex; gap: 14px;
  color: var(--txt-2);
  font-size: 14.6px;
  font-style: italic;
}
.case-hero__quote svg { flex: none; color: var(--cyan); opacity: .7; }

.cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2vw, 28px); margin-top: clamp(20px, 2vw, 28px); }
.case-card {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.case-card:hover { transform: translateY(-4px); border-color: var(--line-hi); box-shadow: var(--glow), var(--shadow-card); }
.case-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.case-card:hover .case-card__media img { transform: scale(1.06); }
.case-card__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(47, 107, 255, .14), rgba(7, 11, 26, .36));
}
.case-card__body { padding: clamp(20px, 1.8vw, 28px); }
.case-card__title { margin-top: 14px; font-size: 18px; font-weight: 600; }
.case-card__text { margin-top: 10px; color: var(--txt-3); font-size: 14px; }
.case-card__foot {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid rgba(56, 189, 248, .14);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-family: var(--font-num);
  font-size: 13px; color: var(--txt-2);
}
.case-card__foot strong { color: var(--gold); font-weight: 600; }

/* ---------- 14. 品牌动态区 ---------- */
.news {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(20px, 2.4vw, 36px);
  align-items: stretch;
}
.news__feature {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 400px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.news__feature:hover { border-color: var(--line-hi); box-shadow: var(--glow); }
.news__feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.news__feature:hover img { transform: scale(1.05); }
.news__feature::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 26, .12) 0%, rgba(7, 11, 26, .72) 46%, rgba(7, 11, 26, .96) 100%);
}
.news__feature-body { position: relative; z-index: 2; padding: clamp(24px, 2.4vw, 40px); }
.news__meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--txt-3);
  margin-bottom: 14px;
}
.news__meta time { font-family: var(--font-num); letter-spacing: .04em; }
.news__title { font-size: clamp(19px, 1.4vw + 14px, 27px); font-weight: 700; letter-spacing: -.02em; }
.news__title--lg { font-size: clamp(22px, 1.8vw + 15px, 34px); }
.news__excerpt { margin-top: 12px; color: var(--txt-2); font-size: 14.6px; max-width: 52ch; }
.news__list { display: grid; gap: 14px; }
.news__item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) 22px;
  gap: 18px;
  align-items: center;
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.news__item:hover { transform: translateY(-3px); border-color: var(--line-hi); box-shadow: var(--glow-sm); }
.news__thumb { border-radius: var(--r-sm); overflow: hidden; aspect-ratio: 4 / 3; }
.news__thumb img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: filter .4s var(--ease), transform .8s var(--ease); }
.news__item:hover .news__thumb img { filter: saturate(1.15); transform: scale(1.06); }
.news__item-title { font-size: 15.4px; font-weight: 600; transition: color .35s var(--ease); }
.news__item:hover .news__item-title { color: var(--cyan); }
.news__item-text { margin-top: 6px; font-size: 13.4px; color: var(--txt-3); }
.news__arrow { color: var(--txt-4); transition: color .35s var(--ease), transform .35s var(--ease); }
.news__item:hover .news__arrow { color: var(--cyan); transform: translateX(3px); }

/* ---------- 15. 转化 CTA 通栏 ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, .24);
  background:
    radial-gradient(900px 460px at 0% 0%, rgba(47, 107, 255, .34), transparent 62%),
    radial-gradient(760px 420px at 100% 100%, rgba(0, 212, 255, .2), transparent 62%),
    linear-gradient(150deg, #0C1426, #070B1A);
  box-shadow: 0 40px 100px -50px rgba(0, 0, 0, .95);
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .07) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000, transparent 72%);
  mask-image: radial-gradient(120% 100% at 50% 0%, #000, transparent 72%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: clamp(30px, 4vw, 68px);
  padding: clamp(32px, 3.6vw, 64px);
  align-items: center;
}
.cta-band__title { font-size: clamp(25px, 2.4vw + 15px, 42px); font-weight: 700; letter-spacing: -.025em; }
.cta-band__text { margin-top: 16px; color: var(--txt-2); font-size: 15px; max-width: 46ch; }
.cta-band__points { margin-top: 26px; display: grid; gap: 12px; }
.cta-band__point { display: flex; align-items: center; gap: 11px; font-size: 14.4px; color: var(--txt-2); }
.cta-band__point svg { flex: none; color: var(--cyan); }
.cta-band__note { margin-top: 24px; font-size: 12.5px; color: var(--txt-4); }

/* ---------- 16. 表单 ---------- */
.form-card {
  border-radius: var(--r-lg);
  border: 1px solid rgba(56, 189, 248, .22);
  background: linear-gradient(160deg, rgba(17, 26, 46, .86), rgba(9, 14, 28, .8));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: clamp(24px, 2.4vw, 38px);
  box-shadow: 0 30px 70px -34px rgba(2, 6, 20, .95);
}
.form-card__title { font-size: 19px; font-weight: 600; }
.form-card__hint { margin-top: 8px; font-size: 13.2px; color: var(--txt-3); }
.form-grid { margin-top: 24px; display: grid; gap: 16px; }
.form-row { display: grid; gap: 8px; }
.form-row--half { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-label {
  font-size: 13px; font-weight: 500; color: var(--txt-2);
  display: flex; align-items: center; gap: 6px;
}
.form-label em { font-style: normal; color: var(--cyan); }
.field {
  position: relative;
  display: flex; align-items: center;
  border-radius: var(--r-sm);
  border: 1px solid rgba(56, 189, 248, .2);
  background: rgba(6, 10, 22, .72);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), background-color .35s var(--ease);
}
.field:focus-within {
  border-color: rgba(0, 212, 255, .7);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, .12), var(--glow-sm);
  background: rgba(8, 13, 27, .9);
}
.field > svg { position: absolute; left: 15px; color: var(--txt-4); pointer-events: none; transition: color .35s var(--ease); }
.field:focus-within > svg { color: var(--cyan); }
.field input, .field textarea, .field select {
  width: 100%;
  border: 0;
  background: none;
  outline: none;
  padding: 14px 16px;
  font-size: 14.6px;
  color: var(--txt);
  border-radius: inherit;
}
.field--icon input, .field--icon select { padding-left: 44px; }
.field textarea { resize: vertical; min-height: 108px; line-height: 1.65; padding-left: 16px; }
.field select { appearance: none; cursor: pointer; padding-right: 40px; }
.field select option { background: #0B1220; color: var(--txt); }
.field__caret { position: absolute; right: 15px; color: var(--txt-4); pointer-events: none; }
.field input::placeholder, .field textarea::placeholder { color: #55637a; }

.form-consent {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 12.6px; color: var(--txt-4); line-height: 1.6;
}
.form-consent input { margin-top: 3px; width: 15px; height: 15px; accent-color: #2F6BFF; flex: none; cursor: pointer; }
.form-error { font-size: 12.4px; color: #FF8A8A; min-height: 0; display: none; }
.form-row.has-error .field { border-color: rgba(255, 110, 110, .65); box-shadow: 0 0 0 3px rgba(255, 110, 110, .1); }
.form-row.has-error .form-error { display: block; }

.form-success {
  display: none;
  align-items: center; gap: 16px;
  padding: 22px;
  border-radius: var(--r-md);
  border: 1px solid rgba(110, 231, 183, .34);
  background: rgba(110, 231, 183, .08);
}
.form-success.is-visible { display: flex; animation: fadeUp .6s var(--ease) both; }
.form-success__icon {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  color: #052E22;
  background: linear-gradient(135deg, #6EE7B7, #34D399);
  box-shadow: 0 0 24px rgba(110, 231, 183, .5);
}
.form-success__title { font-size: 16px; font-weight: 600; color: #A7F3D0; }
.form-success__text { margin-top: 4px; font-size: 13.4px; color: var(--txt-2); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- 17. 页脚 ---------- */
.footer {
  position: relative;
  border-top: 1px solid rgba(56, 189, 248, .16);
  background: linear-gradient(180deg, rgba(6, 10, 20, .92), rgba(4, 7, 14, .98));
  overflow: hidden;
  margin-top: clamp(40px, 5vw, 80px);
}
/* 页脚光带 + 低透网格 */
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: min(1200px, 90%);
  height: 1px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(0, 212, 255, .9), transparent);
}
.footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 74%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000, transparent 74%);
  pointer-events: none;
}
.footer__inner { position: relative; z-index: 2; padding-block: clamp(48px, 5.4vw, 84px) 0; }
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, .82fr)) minmax(0, 1.1fr);
  gap: clamp(26px, 3vw, 48px);
}
.footer__brand-top { display: flex; align-items: center; gap: 13px; }
.footer__brand-top img { width: 46px; height: 46px; border-radius: 50%; filter: drop-shadow(0 4px 14px rgba(47, 107, 255, .5)); }
.footer__name { font-size: 17px; font-weight: 700; letter-spacing: .03em; }
.footer__name-en {
  font-family: var(--font-num); font-size: 9.5px; letter-spacing: .28em;
  color: var(--txt-4); text-transform: uppercase; margin-top: 2px;
}
.footer__about { margin-top: 20px; color: var(--txt-3); font-size: 13.8px; max-width: 40ch; }
.footer__col-title {
  font-size: 14px; font-weight: 600; color: var(--txt);
  letter-spacing: .06em;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 12px;
}
.footer__col-title::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 26px; height: 2px; border-radius: 2px;
  background: var(--grad-brand);
}
.footer__links { display: grid; gap: 11px; }
.footer__links a {
  font-size: 13.8px; color: var(--txt-3);
  transition: color .3s var(--ease), transform .3s var(--ease);
  display: inline-block;
}
.footer__links a:hover { color: var(--cyan); transform: translateX(3px); }

.footer__contact { display: grid; gap: 14px; }
.footer__contact-item { display: flex; gap: 11px; font-size: 13.8px; color: var(--txt-2); line-height: 1.6; }
.footer__contact-item svg { flex: none; margin-top: 3px; color: var(--cyan); }
.footer__contact-item b { font-family: var(--font-num); font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .03em; }

.footer__qr { display: flex; gap: 14px; margin-top: 4px; }
.footer__qr-item { text-align: center; }
.footer__qr-box {
  width: 88px; height: 88px;
  padding: 5px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(56, 189, 248, .28);
  background: #f8fafc;
  overflow: hidden;
  transition: box-shadow .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.footer__qr-box img {
  display: block;
  width: 100%; height: 100%;
  object-fit: contain;
  border-radius: 4px;
}
.footer__qr-item:hover .footer__qr-box { border-color: rgba(0, 212, 255, .55); box-shadow: var(--glow-sm); transform: translateY(-2px); }
.footer__qr-item p { margin-top: 8px; font-size: 11.5px; color: var(--txt-4); }

.footer__bottom {
  position: relative; z-index: 2;
  margin-top: clamp(36px, 4vw, 60px);
  padding-block: 24px;
  border-top: 1px solid rgba(56, 189, 248, .12);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
  font-size: 12.6px; color: var(--txt-4);
}
.footer__bottom-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer__bottom-links a { transition: color .3s var(--ease); }
.footer__bottom-links a:hover { color: var(--cyan); }

/* 返回顶部 */
.totop {
  position: fixed;
  right: clamp(16px, 2.2vw, 34px);
  bottom: clamp(18px, 2.6vw, 40px);
  z-index: 150;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(56, 189, 248, .3);
  background: rgba(11, 18, 32, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--txt-2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s,
              color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.totop.is-visible { opacity: 1; visibility: visible; transform: none; }
.totop:hover { color: var(--cyan); border-color: rgba(0, 212, 255, .6); box-shadow: var(--glow-sm); }

/* ---------- 18. 通用卡片 / 玻璃面板 ---------- */
.glass {
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(20px, 2.2vw, 32px); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2vw, 28px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(18px, 1.8vw, 26px); }

/* 图标能力卡 */
.icard {
  position: relative;
  padding: clamp(24px, 2.2vw, 34px);
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
  overflow: hidden;
}
.icard::before {
  content: '';
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, .5), transparent);
  opacity: .5; transition: opacity .45s var(--ease);
}
.icard:hover { transform: translateY(-4px); border-color: var(--line-hi); box-shadow: var(--glow), var(--shadow-card); }
.icard:hover::before { opacity: 1; }
.icard__icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: 13px;
  color: var(--cyan);
  background: linear-gradient(150deg, rgba(47, 107, 255, .2), rgba(0, 212, 255, .05));
  border: 1px solid rgba(56, 189, 248, .22);
  transition: color .4s var(--ease), box-shadow .4s var(--ease);
}
.icard:hover .icard__icon { color: #fff; box-shadow: var(--glow-sm); }
.icard__title { margin-top: 20px; font-size: 18px; font-weight: 600; transition: color .4s var(--ease); }
.icard:hover .icard__title { color: var(--cyan); }
.icard__text { margin-top: 10px; color: var(--txt-3); font-size: 14.2px; }
.icard__list { margin-top: 18px; display: grid; gap: 9px; }
.icard__list li { display: flex; gap: 9px; font-size: 13.6px; color: var(--txt-2); }
.icard__list svg { flex: none; margin-top: 4px; color: var(--cyan); opacity: .8; }

/* 编号特征列表（关于页） */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
}
.about-copy p + p { margin-top: 18px; }
.about-copy__lead {
  font-size: clamp(17px, .9vw + 14.6px, 22px);
  color: var(--txt);
  font-weight: 500;
  line-height: 1.66;
}
.about-copy__body { color: var(--txt-3); font-size: 15px; }
.about-points { display: grid; gap: 14px; margin-top: 30px; }
.about-point {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(56, 189, 248, .14);
  background: rgba(15, 23, 42, .5);
  transition: border-color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}
.about-point:hover { border-color: var(--line-hi); box-shadow: var(--glow-sm); transform: translateX(3px); }
.about-point__idx {
  flex: none;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 9px;
  font-family: var(--font-num);
  font-size: 12.5px; font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 212, 255, .1);
  border: 1px solid rgba(0, 212, 255, .26);
}
.about-point__title { font-size: 15.4px; font-weight: 600; }
.about-point__text { margin-top: 4px; font-size: 13.6px; color: var(--txt-3); }
.about-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, .2);
  aspect-ratio: 5 / 4;
  box-shadow: 0 30px 70px -34px rgba(2, 6, 20, .95);
}
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(150deg, rgba(47, 107, 255, .3), rgba(7, 11, 26, .2) 50%, rgba(124, 92, 255, .3));
}
.about-media__float {
  position: absolute;
  left: clamp(16px, 1.6vw, 26px);
  bottom: clamp(16px, 1.6vw, 26px);
  right: clamp(16px, 1.6vw, 26px);
  z-index: 2;
  display: flex;
  gap: 18px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  border: 1px solid rgba(56, 189, 248, .26);
  background: rgba(7, 11, 26, .74);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.about-media__float div { flex: 1; }
.about-media__float b {
  display: block;
  font-family: var(--font-num);
  font-size: 22px; font-weight: 700;
  background: var(--grad-num);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.about-media__float span { font-size: 12px; color: var(--txt-3); }

/* 时间轴 */
.timeline { position: relative; margin-top: clamp(34px, 4vw, 56px); }
.timeline::before {
  content: '';
  position: absolute;
  left: 15px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(56, 189, 248, .45) 12%, rgba(56, 189, 248, .45) 88%, transparent);
}
.tl-item { position: relative; padding-left: 52px; padding-bottom: clamp(24px, 2.6vw, 38px); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: '';
  position: absolute; left: 8px; top: 7px;
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, .7);
  background: rgba(7, 11, 26, .95);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, .09), 0 0 14px rgba(0, 212, 255, .5);
}
.tl-item__year {
  font-family: var(--font-num);
  font-size: 13px; font-weight: 700;
  letter-spacing: .12em;
  color: var(--cyan);
}
.tl-item__title { margin-top: 8px; font-size: 17.5px; font-weight: 600; }
.tl-item__text { margin-top: 8px; color: var(--txt-3); font-size: 14.2px; max-width: 74ch; }

/* ---------- 19. 核心服务页 ---------- */
.svc {
  position: relative;
  padding-block: clamp(56px, 6.4vw, 100px);
  border-top: 1px solid rgba(56, 189, 248, .12);
  scroll-margin-top: calc(var(--nav-h) + 60px);
}
.svc:first-of-type { border-top: 0; }
.svc__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  gap: clamp(24px, 3.4vw, 64px);
  align-items: end;
  margin-bottom: clamp(30px, 3.4vw, 52px);
}
.svc__no {
  font-family: var(--font-num);
  font-size: 13px; font-weight: 700;
  letter-spacing: .18em;
  color: var(--cyan);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.svc__no::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(0, 212, 255, .45), transparent); }
.svc__title { font-size: clamp(25px, 2.6vw + 15px, 44px); font-weight: 700; letter-spacing: -.025em; }
.svc__desc { margin-top: 16px; color: var(--txt-3); font-size: 15px; max-width: 58ch; }
.svc__meta { display: grid; gap: 12px; }
.svc__meta-item {
  display: flex; align-items: center; gap: 11px;
  font-size: 14px; color: var(--txt-2);
  padding: 11px 16px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(56, 189, 248, .14);
  background: rgba(15, 23, 42, .5);
}
.svc__meta-item svg { flex: none; color: var(--cyan); }

/* 服务页模块吸顶导航 */
.svc-nav {
  position: sticky;
  top: var(--nav-h);
  z-index: 25;
  background: rgba(7, 11, 26, .72);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-top: 1px solid rgba(56, 189, 248, .14);
  border-bottom: 1px solid rgba(56, 189, 248, .14);
}
.svc-nav__inner {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-block: 10px;
  scrollbar-width: none;
}
.svc-nav__inner::-webkit-scrollbar { display: none; }
.svc-nav a {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  color: var(--txt-3);
  white-space: nowrap;
  border: 1px solid transparent;
  transition: color .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
}
.svc-nav a:hover { color: var(--txt); }
.svc-nav a.is-active {
  color: #fff;
  background: rgba(47, 107, 255, .16);
  border-color: rgba(56, 189, 248, .3);
}
.svc-nav a b {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}
.svc-nav__hint { margin-left: auto; flex: none; font-size: 12.5px; color: var(--txt-4); padding-right: 4px; }

/* 模块卡（12 大模块 / GEO 模块） */
.mods { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 1.6vw, 22px); }
.mod {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 1.9vw, 28px);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(20, 29, 50, .7), rgba(10, 16, 30, .66));
  border: 1px solid rgba(56, 189, 248, .15);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease), background-color .4s var(--ease);
  overflow: hidden;
}
.mod:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, .48); box-shadow: var(--glow-sm); }
.mod__top { display: flex; align-items: center; gap: 12px; }
.mod__icon {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  color: var(--cyan);
  background: rgba(47, 107, 255, .14);
  border: 1px solid rgba(56, 189, 248, .2);
  transition: color .4s var(--ease), transform .4s var(--ease);
}
.mod:hover .mod__icon { color: #fff; transform: scale(1.05); }
.mod__name { font-size: 16px; font-weight: 600; }
.mod__dept {
  margin-left: auto;
  font-size: 11px; font-weight: 500;
  letter-spacing: .06em;
  color: var(--txt-4);
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid rgba(148, 163, 184, .2);
}
.mod__text { margin-top: 14px; color: var(--txt-3); font-size: 13.6px; }
.mod__value {
  margin-top: 9px;
  padding-left: 11px;
  border-left: 2px solid rgba(56, 189, 248, .3);
  color: var(--txt-4);
  font-size: 12.8px;
  line-height: 1.7;
}
.mod__subs { margin-top: auto; padding-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.mod__sub {
  font-size: 11.8px;
  color: var(--txt-2);
  padding: 4px 10px;
  border-radius: 7px;
  background: rgba(56, 189, 248, .07);
  border: 1px solid rgba(56, 189, 248, .14);
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.mod:hover .mod__sub { color: var(--cyan); border-color: rgba(0, 212, 255, .3); }

/* 流程步骤 */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; counter-reset: f; }
.flow__step {
  position: relative;
  padding: clamp(20px, 1.8vw, 28px) clamp(16px, 1.5vw, 22px);
  border-radius: var(--r-md);
  border: 1px solid rgba(56, 189, 248, .16);
  background: rgba(15, 23, 42, .55);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.flow__step:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, .48); box-shadow: var(--glow-sm); }
.flow__step::after {
  content: '';
  position: absolute;
  right: -8px; top: 50%;
  width: 14px; height: 1px;
  background: linear-gradient(90deg, rgba(56, 189, 248, .5), transparent);
}
.flow__step:last-child::after { display: none; }
.flow__no {
  font-family: var(--font-num);
  font-size: 12px; font-weight: 700; letter-spacing: .14em;
  color: var(--cyan);
}
.flow__name { margin-top: 12px; font-size: 16px; font-weight: 600; }
.flow__text { margin-top: 8px; font-size: 13.2px; color: var(--txt-3); }

/* 对比表 */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  -webkit-overflow-scrolling: touch;
}
table.cmp { width: 100%; border-collapse: collapse; min-width: 720px; }
table.cmp th, table.cmp td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid rgba(56, 189, 248, .1);
}
table.cmp thead th {
  font-size: 13px; font-weight: 600;
  letter-spacing: .04em;
  color: var(--txt-3);
  background: rgba(11, 18, 32, .8);
  white-space: nowrap;
}
table.cmp thead th:first-child { color: var(--txt-2); }
table.cmp tbody th { font-weight: 600; color: var(--txt); white-space: nowrap; }
table.cmp tbody tr { transition: background-color .3s var(--ease); }
table.cmp tbody tr:hover { background: rgba(47, 107, 255, .07); }
table.cmp tbody tr:last-child th, table.cmp tbody tr:last-child td { border-bottom: 0; }
table.cmp .yes { color: #6EE7B7; display: inline-flex; align-items: center; gap: 7px; }
table.cmp .no { color: var(--txt-4); display: inline-flex; align-items: center; gap: 7px; }
table.cmp col.is-brand { background: rgba(47, 107, 255, .07); }

/* ---------- 20. 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
.contact-cards { display: grid; gap: 14px; }
.ccard {
  display: flex; gap: 16px; align-items: flex-start;
  padding: clamp(20px, 1.8vw, 26px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.ccard:hover { transform: translateY(-3px); border-color: var(--line-hi); box-shadow: var(--glow-sm); }
.ccard__icon {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  border-radius: 13px;
  color: var(--cyan);
  background: linear-gradient(150deg, rgba(47, 107, 255, .2), rgba(0, 212, 255, .05));
  border: 1px solid rgba(56, 189, 248, .22);
}
.ccard__label { font-size: 13px; color: var(--txt-3); letter-spacing: .04em; }
.ccard__value {
  margin-top: 7px;
  font-size: 16.5px; font-weight: 600; color: var(--txt);
  line-height: 1.55;
  word-break: break-word;
}
.ccard__value b { font-family: var(--font-num); font-size: 22px; letter-spacing: .03em; }
.ccard__note { margin-top: 7px; font-size: 12.8px; color: var(--txt-4); }

.map-card {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(600px 300px at 30% 20%, rgba(47, 107, 255, .18), transparent 70%),
    linear-gradient(160deg, rgba(15, 23, 42, .8), rgba(7, 11, 26, .82));
  overflow: hidden;
  min-height: 340px;
  display: grid;
  place-items: center;
}
.map-card__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, .11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .11) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, #000, transparent 78%);
  mask-image: radial-gradient(80% 80% at 50% 50%, #000, transparent 78%);
}
.map-card__roads { position: absolute; inset: 0; opacity: .5; }
.map-card__pin {
  position: relative; z-index: 2;
  text-align: center;
  padding: 26px 30px;
  border-radius: var(--r-md);
  border: 1px solid rgba(56, 189, 248, .26);
  background: rgba(7, 11, 26, .8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.map-card__pin-icon {
  width: 54px; height: 54px; margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: #04101F;
  background: var(--grad-brand);
  box-shadow: 0 0 30px rgba(0, 212, 255, .5);
}
.map-card__pin h3 { font-size: 17px; font-weight: 600; }
.map-card__pin p { margin-top: 8px; font-size: 13.6px; color: var(--txt-3); max-width: 34ch; }
.map-card__pin .btn { margin-top: 18px; }

.faq { display: grid; gap: 12px; }
.faq__item {
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.faq__item:hover { border-color: var(--line-mid); }
.faq__item.is-open { border-color: var(--line-hi); box-shadow: var(--glow-sm); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: clamp(18px, 1.7vw, 24px) clamp(20px, 1.8vw, 28px);
  background: none; border: 0; cursor: pointer;
  text-align: left;
  font-size: 15.4px; font-weight: 600; color: var(--txt);
  transition: color .3s var(--ease);
}
.faq__q:hover { color: var(--cyan); }
.faq__sign {
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, .28);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 15px; line-height: 1;
  transition: transform .4s var(--ease), background-color .4s var(--ease);
}
.faq__item.is-open .faq__sign { transform: rotate(45deg); background: rgba(0, 212, 255, .12); }
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s var(--ease);
}
.faq__a-inner {
  padding: 0 clamp(20px, 1.8vw, 28px) clamp(20px, 1.8vw, 26px);
  color: var(--txt-3);
  font-size: 14.2px;
  max-width: 76ch;
}

/* 到访指引 */
.visit { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 1.8vw, 24px); }
.visit__item {
  padding: clamp(20px, 1.8vw, 28px);
  border-radius: var(--r-md);
  border: 1px solid rgba(56, 189, 248, .16);
  background: linear-gradient(160deg, rgba(20, 29, 50, .66), rgba(10, 16, 30, .62));
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.visit__item:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, .46); box-shadow: var(--glow-sm); }
.visit__no {
  font-family: var(--font-num);
  font-size: 12px; font-weight: 700; letter-spacing: .16em;
  color: var(--cyan);
}
.visit__title { margin-top: 12px; font-size: 16.5px; font-weight: 600; }
.visit__text { margin-top: 9px; font-size: 13.8px; color: var(--txt-3); }

/* 单卡形态：横向铺满的到访提醒条 */
.visit.visit--single { grid-template-columns: minmax(0, 1fr); }
.visit--single .visit__item {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
  padding: clamp(22px, 2.2vw, 30px) clamp(22px, 2.6vw, 36px);
}
.visit__icon {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  border-radius: 13px;
  color: var(--cyan);
  background: linear-gradient(150deg, rgba(47, 107, 255, .2), rgba(0, 212, 255, .05));
  border: 1px solid rgba(56, 189, 248, .22);
}
.visit__icon .icon { width: 22px; height: 22px; }
.visit--single .visit__title { margin-top: 0; flex: none; }
.visit--single .visit__text { margin-top: 0; min-width: 0; }

/* ---------- 21. 入场动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .82s var(--ease-out), transform .82s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal--left { transform: translateX(-26px); }
.reveal--right { transform: translateX(26px); }
.reveal--scale { transform: scale(.97); }
.reveal--left.is-in, .reveal--right.is-in, .reveal--scale.is-in { transform: none; }

@keyframes heroIn {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}
.hero__eyebrow, .hero__title, .hero__lead, .hero__desc, .hero__cta, .hero__stats {
  animation: heroIn .95s var(--ease-out) both;
}
.hero__eyebrow { animation-delay: .06s; }
.hero__title { animation-delay: .16s; }
.hero__lead { animation-delay: .26s; }
.hero__desc { animation-delay: .34s; }
.hero__cta { animation-delay: .42s; }
.hero__stats { animation-delay: .5s; }

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1180px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; }
  .wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .mods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow__step:nth-child(3n)::after { display: none; }
  .hero__inner { grid-template-columns: minmax(0, 1fr); }
  .news { grid-template-columns: minmax(0, 1fr); }
  .cta-band__inner { grid-template-columns: minmax(0, 1fr); }
  .svc__head { grid-template-columns: minmax(0, 1fr); }
  .case-hero { grid-template-columns: minmax(0, 1fr); }
  .case-hero__body { padding: clamp(24px, 3vw, 36px); }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 1024px) {
  :root { --nav-h: 68px; }
  .nav__links, .nav__tel { display: none; }
  .nav__burger { display: grid; }
  .nav__inner { justify-content: space-between; }
  .values, .cases, .metrics, .grid-3, .grid-4, .visit, .quali { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sol__row { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .sol__row:nth-child(even) .sol__media { order: 0; }
  .about-grid { grid-template-columns: minmax(0, 1fr); }
  .vbar { grid-template-columns: minmax(0, 1fr); }
  .vbar__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  /* 移动端/触屏：固定背景降级为滚动，避免 iOS 渲染异常 */
  .hero__bg { background-attachment: scroll; }
}

@media (max-width: 760px) {
  :root { --gut: 20px; --sec-y: 68px; }
  .wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics, .values, .cases, .grid-2, .grid-3, .grid-4, .mods, .visit, .quali,
  .vbar__grid, .case-hero__stats, .footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow__step::after { display: none !important; }
  .visit--single .visit__item { flex-wrap: wrap; row-gap: 10px; }
  .visit--single .visit__text { flex-basis: 100%; }
  .form-row--half { grid-template-columns: minmax(0, 1fr); }
  .news__item { grid-template-columns: 84px minmax(0, 1fr); }
  .news__arrow { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 72px); padding-bottom: 72px; }
  .scroll-cue { display: none; }
  .about-media__float { position: static; margin: 16px; flex-direction: column; gap: 12px; }
  .about-media { aspect-ratio: auto; }
  .about-media img { aspect-ratio: 4 / 3; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; }
  .hero__cta .btn { width: 100%; }
  .map-card__pin .btn { width: auto; }
  /* 移动端换用轻量背景图 */
  .hero--home .hero__bg { background-image: url(../img/hero-home-sm.webp); }
  .hero--about .hero__bg { background-image: url(../img/hero-about-sm.webp); }
  .hero--services .hero__bg { background-image: url(../img/hero-services-sm.webp); }
  .hero--contact .hero__bg { background-image: url(../img/hero-contact-sm.webp); }
  .bg-wm { background-size: 20px 20px, 48px 48px, 48px 48px; background-position: 0 0, 0 0, 0 0; }
}

@media (max-width: 420px) {
  .hero__title { font-size: 30px; }
  .brand__sub { display: none; }
  .mod__dept { display: none; }
}

/* iOS 兜底：background-attachment:fixed 在 WebKit 触屏上表现异常 */
@supports (-webkit-touch-callout: none) {
  .hero__bg { background-attachment: scroll; }
}

/* ---------- 23. 无障碍 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__eyebrow, .hero__title, .hero__lead, .hero__desc, .hero__cta, .hero__stats {
    animation: none;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 跳到主内容 */
.skip-link {
  position: absolute;
  left: 50%; top: -60px;
  transform: translateX(-50%);
  z-index: 400;
  padding: 10px 20px;
  border-radius: 0 0 10px 10px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  transition: top .3s var(--ease);
}
.skip-link:focus { top: 0; }