/* =========================================================
   河南从蓉数字科技有限公司 · 官网样式
   ========================================================= */

:root {
  --bg: #050d1b;
  --bg-deep: #030915;
  --panel: #0a1a2d;
  --panel-2: #0d2138;
  --line: rgba(126, 186, 224, 0.16);
  --line-strong: rgba(126, 186, 224, 0.32);
  --text: #eaf6ff;
  --muted: #93abc2;
  --cyan: #2ed3ff;
  --violet: #7c5cff;
  --light: #f5f8fb;
  --light-2: #eef3f8;
  --ink: #0b1727;
  --ink-soft: #46586c;
  --white: #ffffff;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(8, 28, 48, 0.12);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

::selection { background: rgba(46, 211, 255, 0.28); color: #fff; }

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(900px 600px at 85% 0%, rgba(46, 211, 255, 0.07), transparent 60%),
    radial-gradient(700px 500px at 0% 40%, rgba(124, 92, 255, 0.06), transparent 60%),
    var(--bg);
}

.container {
  width: min(1200px, 100% - 48px);
  margin: 0 auto;
}

.section { padding: 112px 0; }

/* ---------------- 头部 ---------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(5, 13, 27, 0.82);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  border-radius: 12px;
  background: rgba(46, 211, 255, 0.08);
  border: 1px solid rgba(46, 211, 255, 0.24);
  box-shadow: inset 0 0 22px rgba(46, 211, 255, 0.14);
}

.brand-mark svg { width: 30px; height: 30px; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 17px; letter-spacing: 0.02em; color: var(--text); }
.brand-text i {
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav a {
  padding: 10px 16px;
  font-size: 14px;
  color: rgba(234, 246, 255, 0.78);
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  color: #fff;
  background: linear-gradient(120deg, rgba(46, 211, 255, 0.2), rgba(124, 92, 255, 0.28));
  border: 1px solid rgba(46, 211, 255, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(46, 211, 255, 0.2);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s, top 0.25s;
}

.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { top: 24px; }
.nav-toggle.open span:first-child { top: 20px; transform: rotate(45deg); }
.nav-toggle.open span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------------- 首屏 ---------------- */

.hero {
  position: relative;
  padding: 170px 0 0;
  overflow: hidden;
  background:
    radial-gradient(1000px 700px at 78% 10%, rgba(46, 211, 255, 0.14), transparent 62%),
    radial-gradient(800px 600px at 10% 20%, rgba(124, 92, 255, 0.14), transparent 60%),
    linear-gradient(180deg, #04101f 0%, #061426 55%, #071527 100%);
  color: var(--text);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(126, 186, 224, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 186, 224, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-a {
  width: 320px; height: 320px;
  right: -80px; top: 200px;
  background: radial-gradient(circle at 30% 30%, rgba(46, 211, 255, 0.22), transparent 65%);
}

.orb-b {
  width: 380px; height: 380px;
  left: -140px; bottom: -120px;
  background: radial-gradient(circle at 60% 40%, rgba(124, 92, 255, 0.2), transparent 65%);
}

.hero-scan {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  top: 42%;
  background: linear-gradient(90deg, transparent, rgba(46, 211, 255, 0.5), transparent);
  opacity: 0.5;
  animation: scanMove 9s ease-in-out infinite alternate;
}

@keyframes scanMove {
  from { transform: translateY(-120px); opacity: 0.18; }
  to { transform: translateY(260px); opacity: 0.55; }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 72px;
}

.hero-copy { position: relative; z-index: 2; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(46, 211, 255, 0.3);
  border-radius: 999px;
  background: rgba(46, 211, 255, 0.07);
  font-size: 13px;
  color: #c9ecff;
  letter-spacing: 0.04em;
  margin-bottom: 30px;
}

.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(46, 211, 255, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 211, 255, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(46, 211, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 211, 255, 0); }
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 5.6vw, 76px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero h1 span { display: inline-block; }

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #8fe9ff 0%, #2ed3ff 38%, #a58bff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  text-shadow: 0 0 60px rgba(46, 211, 255, 0.22);
}

.hero-sub {
  max-width: 520px;
  margin: 26px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; flex: 0 0 auto; }

.btn-primary {
  color: #04121f;
  background: linear-gradient(120deg, #7fe6ff, #2ed3ff 55%, #8c7bff);
  box-shadow: 0 14px 40px rgba(46, 211, 255, 0.28);
  font-weight: 600;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 48px rgba(46, 211, 255, 0.38);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.16);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(46, 211, 255, 0.4);
  transform: translateY(-2px);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  font-size: 13px;
  color: rgba(200, 224, 240, 0.72);
}

.hero-points span { display: inline-flex; align-items: center; gap: 8px; }

.hero-points i {
  width: 15px; height: 15px;
  border-radius: 50%;
  background: rgba(46, 211, 255, 0.12);
  border: 1px solid rgba(46, 211, 255, 0.4);
  position: relative;
}

.hero-points i::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--cyan);
}

/* 全景预览器 */

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  perspective: 1600px;
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 0.82, 0.3, 1), visibility 0s linear 0.45s;
}

/* 收起状态：鼠标不在右侧边框时隐藏，移到边框处再滑出 */
.hero-visual.is-collapsed {
  opacity: 0;
  visibility: hidden;
  transform: translateX(56px);
  pointer-events: none;
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 0.82, 0.3, 1), visibility 0s linear 0.45s;
}

.hero-visual:not(.is-collapsed) {
  transition-delay: 0s;
}

.visual-hide {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(214, 240, 255, 0.82);
  background: rgba(5, 18, 32, 0.72);
  border: 1px solid rgba(126, 186, 224, 0.3);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.visual-hide:hover {
  color: #fff;
  border-color: rgba(46, 211, 255, 0.6);
  background: rgba(11, 38, 62, 0.85);
}

.visual-hide svg { width: 13px; height: 13px; }

/* 右侧边框把手：常驻在屏幕右侧边缘，悬停或点击可唤出全景框 */
.visual-handle {
  position: fixed;
  right: 0;
  top: 50%;
  z-index: 6;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  padding: 16px 9px;
  border: 1px solid rgba(46, 211, 255, 0.32);
  border-right: none;
  border-radius: 14px 0 0 14px;
  background: rgba(5, 18, 32, 0.58);
  backdrop-filter: blur(10px);
  color: rgba(206, 238, 255, 0.78);
  font-size: 11px;
  letter-spacing: 0.24em;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.3s ease;
}

.visual-handle.is-away {
  opacity: 0;
  pointer-events: none;
}

.visual-handle:hover {
  color: #fff;
  border-color: rgba(46, 211, 255, 0.7);
  background: rgba(11, 38, 62, 0.85);
}

.viewer-frame {
  position: relative;
  width: 100%;
  max-width: 540px;
  border-radius: 22px;
  padding: 10px;
  background: linear-gradient(155deg, rgba(46, 211, 255, 0.22), rgba(124, 92, 255, 0.14) 45%, rgba(7, 20, 37, 0.6));
  border: 1px solid rgba(126, 200, 240, 0.26);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), inset 0 0 40px rgba(46, 211, 255, 0.06);
  transform: rotateY(-7deg) rotateX(3deg);
  animation: viewerFloat 9s ease-in-out infinite;
}

@keyframes viewerFloat {
  0%, 100% { transform: rotateY(-7deg) rotateX(3deg) translateY(0); }
  50% { transform: rotateY(-4deg) rotateX(1deg) translateY(-12px); }
}

.viewer-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 6px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(180, 216, 238, 0.62);
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7ee8ff;
}

.live b {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #ff5470;
  box-shadow: 0 0 8px #ff5470;
}

.viewer-dots { display: inline-flex; gap: 5px; }
.viewer-dots i { width: 5px; height: 5px; border-radius: 50%; background: rgba(160, 200, 225, 0.4); }

.viewer-scene {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: 14px;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 58%, rgba(46, 211, 255, 0.16), transparent 70%),
    linear-gradient(180deg, #071a2c 0%, #0a2a42 42%, #0c3550 55%, #051525 100%);
  border: 1px solid rgba(110, 190, 230, 0.16);
}

.scene-grid {
  position: absolute;
  inset: 50% -20% -30% -20%;
  background-image:
    linear-gradient(rgba(120, 210, 245, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 210, 245, 0.22) 1px, transparent 1px);
  background-size: 46px 38px;
  transform: perspective(420px) rotateX(62deg);
  transform-origin: center top;
  opacity: 0.55;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
}

.scene-horizon {
  position: absolute;
  left: 8%; right: 8%;
  top: 47%;
  height: 12%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(46, 211, 255, 0.35), transparent 65%);
  filter: blur(6px);
}

.scene-arc {
  position: absolute;
  left: 12%; right: 12%; top: 20%;
  height: 46%;
  border: 1px solid rgba(46, 211, 255, 0.18);
  border-radius: 50%;
}

.scene-center {
  position: absolute;
  left: 50%; top: 48%;
  transform: translate(-50%, -50%);
  width: 120px; height: 120px;
  color: rgba(160, 232, 255, 0.86);
  opacity: 0.9;
}

.scene-center svg { width: 100%; height: 100%; }

.hotspot {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #d7f3ff;
  white-space: nowrap;
}

.hotspot span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 0 4px rgba(255, 209, 102, 0.18), 0 0 14px rgba(255, 209, 102, 0.8);
  position: relative;
}

.hotspot span::after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid rgba(255, 209, 102, 0.55);
  animation: hotspotPing 2.4s infinite;
}

@keyframes hotspotPing {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hotspot b {
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(4, 16, 30, 0.6);
  border: 1px solid rgba(150, 220, 250, 0.2);
  backdrop-filter: blur(6px);
}

.hs-a { left: 16%; top: 58%; }
.hs-b { right: 10%; top: 38%; }
.hs-c { left: 44%; bottom: 16%; }

.viewer-footer {
  padding: 12px 8px 4px;
}

.viewer-track {
  height: 3px;
  border-radius: 3px;
  background: rgba(140, 190, 220, 0.16);
  overflow: hidden;
}

.viewer-track i {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #2ed3ff, #7c5cff);
  animation: trackSweep 7s ease-in-out infinite;
}

@keyframes trackSweep {
  0%, 100% { width: 24%; }
  50% { width: 68%; }
}

.viewer-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(166, 200, 222, 0.55);
  letter-spacing: 0.08em;
}

/* 首页全屏影像（首屏背景，20 秒双段：实景 5 秒 + 科技 15 秒 + 郑州辐射全国地图） */

.hero-film {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-film-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.9s ease;
}

.hero-film-video.is-active { opacity: 1; }

.hero-film-map {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 5% 8%;
  opacity: 0;
  background: radial-gradient(ellipse at 55% 45%, rgba(6, 30, 50, 0.94), rgba(3, 12, 24, 0.99));
  transition: opacity 0.45s ease;
}

.hero-film-map.is-visible { opacity: 1; }

.hero-film-map img { width: 100%; height: 100%; object-fit: contain; display: block; }

.hero-film-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(4, 14, 26, 0.9) 0%, rgba(4, 14, 26, 0.72) 38%, rgba(4, 14, 26, 0.4) 62%, rgba(4, 14, 26, 0.52) 100%),
    linear-gradient(180deg, rgba(4, 16, 31, 0.62) 0%, rgba(4, 16, 31, 0.06) 26%, rgba(4, 16, 31, 0.1) 60%, rgba(5, 16, 31, 0.86) 100%);
}

.hero-film-hud {
  position: absolute;
  right: clamp(20px, 4vw, 72px);
  bottom: clamp(104px, 13vh, 140px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: rgba(5, 16, 30, 0.55);
  border: 1px solid rgba(126, 186, 224, 0.2);
  backdrop-filter: blur(10px);
}

.film-track {
  width: 92px;
  height: 3px;
  border-radius: 3px;
  background: rgba(140, 190, 220, 0.2);
  overflow: hidden;
}

.film-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #2ed3ff, #7c5cff);
  transition: width 0.2s linear;
}

.film-time {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(200, 224, 240, 0.72);
  white-space: nowrap;
}

.vc-btn {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  color: #dff6ff;
  background: rgba(5, 18, 32, 0.62);
  border: 1px solid rgba(46, 211, 255, 0.34);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.vc-btn:hover {
  background: rgba(11, 38, 62, 0.85);
  border-color: rgba(46, 211, 255, 0.7);
  transform: translateY(-1px);
}

.vc-btn svg { width: 16px; height: 16px; }

.float-chip {
  position: absolute;
  padding: 9px 14px;
  font-size: 12px;
  color: #cbefff;
  border-radius: 10px;
  background: rgba(8, 26, 44, 0.72);
  border: 1px solid rgba(46, 211, 255, 0.28);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  animation: chipFloat 6s ease-in-out infinite;
}

.chip-a { left: -14px; top: 16%; animation-delay: 0.3s; }
.chip-b { right: -10px; top: 44%; animation-delay: 1.2s; }
.chip-c { left: 6%; bottom: 2%; animation-delay: 0.8s; }

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.visual-ring {
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  border: 1px solid rgba(46, 211, 255, 0.13);
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  box-shadow: inset 0 0 80px rgba(46, 211, 255, 0.05);
}

.visual-ring::after {
  content: "";
  position: absolute;
  inset: 48px;
  border-radius: 50%;
  border: 1px dashed rgba(124, 92, 255, 0.18);
}

.hero-strip {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 26px 0 34px;
  border-top: 1px solid rgba(126, 186, 224, 0.12);
  background: linear-gradient(180deg, rgba(3, 12, 24, 0), rgba(3, 12, 24, 0.55));
}

.hero-strip-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  flex: 0 0 auto;
}

.hero-strip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-strip-tags span {
  padding: 7px 14px;
  font-size: 12px;
  color: rgba(200, 228, 244, 0.8);
  border: 1px solid rgba(126, 186, 224, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

/* ---------------- 数据 ---------------- */

.stats-section {
  background: var(--light);
  padding: 0;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(10, 30, 50, 0.12);
  border: 1px solid rgba(12, 40, 66, 0.06);
  transform: translateY(-48px);
  overflow: hidden;
}

.stat-item {
  padding: 38px 32px 34px;
  border-right: 1px solid rgba(12, 40, 66, 0.07);
  position: relative;
}

.stat-item:last-child { border-right: 0; }

.stat-value {
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #0e6f92, #1a3e7a 60%, #5a49b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.stat-desc {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: #71869a;
}

/* ---------------- 通用标题 ---------------- */

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #1583a8;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}

.kicker.light { color: #7fe3ff; }

.section-head h2 {
  margin: 18px 0 0;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-weight: 700;
}

.section-head.center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-head.center .kicker { justify-content: center; }

.section-sub {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.section-head.split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 52px;
}

.section-head.split .section-sub { max-width: 340px; text-align: right; margin: 0 0 6px; }

/* ---------------- 关于 ---------------- */

.about-section {
  background: var(--light);
  padding-top: 64px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: center;
}

.about-copy .section-head h2 { max-width: 560px; }

.about-lead {
  margin: 28px 0 0;
  font-size: 17px;
  line-height: 1.9;
  color: #20384e;
  font-weight: 500;
}

.about-paragraphs p {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.about-sign {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  font-size: 12px;
  color: #7b8fa2;
  letter-spacing: 0.04em;
}

.sign-line { width: 40px; height: 1px; background: #c3d2df; }

.about-visual { position: relative; }

.about-card {
  background: linear-gradient(160deg, #08182b, #0b2440 60%, #0a1c33);
  border-radius: 24px;
  padding: 26px;
  color: var(--text);
  box-shadow: 0 30px 70px rgba(8, 30, 55, 0.24);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  right: -80px; top: -100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 211, 255, 0.22), transparent 65%);
}

.about-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(180, 220, 240, 0.6);
}

.about-badge {
  padding: 5px 10px;
  border: 1px solid rgba(46, 211, 255, 0.3);
  border-radius: 999px;
  color: #9fe9ff;
  font-family: var(--font);
  letter-spacing: 0;
  font-size: 11px;
}

.about-scene {
  position: relative;
  margin: 24px 0;
  height: 240px;
  border-radius: 16px;
  background:
    radial-gradient(70% 60% at 50% 70%, rgba(46, 211, 255, 0.18), transparent 70%),
    linear-gradient(180deg, #061325, #0a2942 60%, #061421);
  border: 1px solid rgba(126, 186, 224, 0.14);
  overflow: hidden;
}

.scene-layer {
  position: absolute;
  border-radius: 3px;
  border: 1px solid rgba(126, 210, 240, 0.2);
  background: linear-gradient(160deg, rgba(46, 211, 255, 0.12), rgba(124, 92, 255, 0.08));
}

.scene-layer.l1 { left: 8%; bottom: 20%; width: 32%; height: 36%; transform: skewY(-5deg); }
.scene-layer.l2 { left: 34%; bottom: 16%; width: 30%; height: 52%; transform: skewY(-5deg); }
.scene-layer.l3 { left: 62%; bottom: 24%; width: 28%; height: 30%; transform: skewY(-5deg); }

.scene-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 220, 250, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 220, 250, 0.16) 1px, transparent 1px);
  background-size: 14px 14px;
}

.scene-tag {
  position: absolute;
  font-size: 11px;
  color: #c9efff;
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(4, 16, 30, 0.66);
  border: 1px solid rgba(46, 211, 255, 0.22);
}

.scene-tag.t1 { left: 12%; top: 22%; }
.scene-tag.t2 { left: 43%; top: 44%; }
.scene-tag.t3 { right: 8%; top: 30%; }

.about-card-bottom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  position: relative;
}

.about-highlight {
  padding: 14px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(126, 186, 224, 0.12);
}

.about-highlight b {
  display: block;
  font-size: 13px;
  color: #e7f8ff;
  font-weight: 600;
}

.about-highlight span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.6;
  color: rgba(160, 195, 218, 0.72);
}

/* ---------------- 服务 ---------------- */

.services-section { background: var(--light-2); }

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

.service-card {
  position: relative;
  padding: 32px 30px 28px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(12, 40, 66, 0.07);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 211, 255, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(10, 35, 60, 0.12);
  border-color: rgba(46, 211, 255, 0.32);
}

.service-card:hover::after { opacity: 1; }

.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}

.service-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #0f7fa6;
  background: linear-gradient(150deg, rgba(46, 211, 255, 0.14), rgba(124, 92, 255, 0.1));
  border: 1px solid rgba(46, 211, 255, 0.24);
}

.service-icon svg { width: 25px; height: 25px; }

.service-index {
  font-family: var(--mono);
  font-size: 11px;
  color: #a9bacb;
  letter-spacing: 0.1em;
}

.service-card h3 {
  margin: 0;
  font-size: 20px;
  color: var(--ink);
  font-weight: 600;
}

.service-card p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.service-features {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed rgba(12, 40, 66, 0.12);
  display: grid;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  color: #5b7186;
  line-height: 1.6;
}

.service-features li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px; height: 5px;
  margin-top: 7px;
  border-radius: 50%;
  background: #2ed3ff;
}

/* ---------------- 案例 ---------------- */

.cases-section {
  background:
    radial-gradient(900px 500px at 85% 0%, rgba(124, 92, 255, 0.12), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(46, 211, 255, 0.1), transparent 60%),
    #061426;
  color: var(--text);
}

.cases-section .section-head h2 { color: #f1faff; }
.cases-section .section-sub { color: rgba(180, 212, 232, 0.72); }
.cases-section .kicker { color: #7fe3ff; }

.cases-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.filter-chip {
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(126, 186, 224, 0.22);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(215, 238, 252, 0.72);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-chip:hover { border-color: rgba(46, 211, 255, 0.45); color: #fff; }

.filter-chip.active {
  background: linear-gradient(120deg, rgba(46, 211, 255, 0.24), rgba(124, 92, 255, 0.24));
  border-color: rgba(46, 211, 255, 0.55);
  color: #fff;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(126, 186, 224, 0.16);
  background: rgba(10, 28, 48, 0.6);
  cursor: pointer;
  text-align: left;
  padding: 0;
  color: inherit;
  font-family: inherit;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 211, 255, 0.4);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.4);
}

.case-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(150deg, var(--g1, #0e3a58), var(--g2, #101c3a));
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 225, 255, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 225, 255, 0.13) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: perspective(300px) rotateX(58deg) scale(1.7);
  transform-origin: center 20%;
  opacity: 0.7;
}

.case-cover::after {
  content: "";
  position: absolute;
  width: 180px; height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(190, 235, 255, 0.22);
  box-shadow: inset 0 0 40px rgba(46, 211, 255, 0.18), 0 0 50px rgba(46, 211, 255, 0.12);
}

.case-cover.has-image::before,
.case-cover.has-image::after { display: none; }

.case-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover .case-img { transform: scale(1.05); }

.modal-cover {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 22px;
  border: 1px solid #e7eef5;
}

.case-cover .cover-num {
  position: relative;
  z-index: 2;
  font-family: var(--mono);
  font-size: 46px;
  font-weight: 600;
  color: rgba(220, 246, 255, 0.24);
  letter-spacing: 0.04em;
}

.case-cover .cover-icon {
  position: absolute;
  z-index: 2;
  width: 46px; height: 46px;
  color: rgba(224, 248, 255, 0.8);
}

.case-cover .cover-icon svg { width: 100%; height: 100%; }

.case-cat {
  position: absolute;
  z-index: 3;
  left: 14px; top: 14px;
  padding: 5px 10px;
  font-size: 11px;
  border-radius: 999px;
  background: rgba(4, 16, 30, 0.6);
  border: 1px solid rgba(160, 225, 250, 0.26);
  color: #ccefff;
  backdrop-filter: blur(6px);
}

.case-body { padding: 20px 22px 22px; }

.case-body h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: #f0faff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.case-arrow {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(126, 186, 224, 0.25);
  display: grid;
  place-items: center;
  color: #9fe9ff;
  flex: 0 0 auto;
  transition: background 0.2s, transform 0.2s;
}

.case-arrow svg { width: 13px; height: 13px; }

.case-card:hover .case-arrow {
  background: rgba(46, 211, 255, 0.18);
  transform: translateX(2px);
}

.case-body p {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(170, 205, 226, 0.72);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------- 优势 ---------------- */

.advantages-section { background: var(--light); }

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

.advantage-card {
  position: relative;
  padding: 30px 26px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(12, 40, 66, 0.07);
  transition: transform 0.25s, box-shadow 0.25s;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 50px rgba(10, 35, 60, 0.1);
}

.adv-icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #4b3ec4;
  background: rgba(124, 92, 255, 0.09);
  border: 1px solid rgba(124, 92, 255, 0.18);
}

.adv-icon svg { width: 22px; height: 22px; }

.advantage-card h3 {
  margin: 20px 0 0;
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
}

.advantage-card p {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.adv-index {
  position: absolute;
  right: 22px; top: 22px;
  font-family: var(--mono);
  font-size: 10px;
  color: #b6c5d4;
  letter-spacing: 0.1em;
}

/* ---------------- 历程 ---------------- */

.timeline-section { background: var(--light-2); }

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 86px;
  top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(15, 127, 166, 0.35) 12%, rgba(15, 127, 166, 0.35) 88%, transparent);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 40px;
  padding: 14px 0 14px 4px;
}

.timeline-year {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  color: #0f7fa6;
  padding-top: 16px;
  letter-spacing: 0.02em;
}

.timeline-dot {
  position: absolute;
  left: 80px;
  top: 26px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #2ea9cf;
  box-shadow: 0 0 0 4px rgba(46, 211, 255, 0.12);
}

.timeline-card {
  background: #fff;
  border: 1px solid rgba(12, 40, 66, 0.07);
  border-radius: 14px;
  padding: 18px 22px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.timeline-card:hover { transform: translateX(4px); box-shadow: 0 14px 34px rgba(10, 35, 60, 0.08); }

.timeline-card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.timeline-card p {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------------- 合作伙伴 ---------------- */

.partners-section {
  background: #071527;
  padding: 62px 0 40px;
  overflow: hidden;
  border-top: 1px solid rgba(126, 186, 224, 0.08);
}

.partners-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.partners-head .kicker { color: #7fe3ff; }

.partners-head p {
  margin: 0;
  font-size: 12.5px;
  color: rgba(170, 205, 226, 0.66);
}

.partners-marquee { position: relative; }

.partners-marquee::before,
.partners-marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.partners-marquee::before { left: 0; background: linear-gradient(90deg, #071527, transparent); }
.partners-marquee::after { right: 0; background: linear-gradient(270deg, #071527, transparent); }

.partners-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: marquee 40s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.partner-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 190px;
  padding: 18px 22px;
  border-radius: 12px;
  border: 1px solid rgba(126, 186, 224, 0.14);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s, background 0.2s;
}

.partner-item:hover { border-color: rgba(46, 211, 255, 0.35); background: rgba(255, 255, 255, 0.05); }

.partner-item b { font-size: 14px; color: #e4f6ff; font-weight: 500; }
.partner-item span { font-size: 10.5px; color: rgba(150, 190, 214, 0.65); letter-spacing: 0.08em; }

/* ---------------- 新闻 ---------------- */

.news-section { background: var(--light); }

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

.news-card {
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(12, 40, 66, 0.07);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: inherit;
  transition: transform 0.26s, box-shadow 0.26s, border-color 0.26s;
  position: relative;
  overflow: hidden;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 55px rgba(10, 35, 60, 0.11);
  border-color: rgba(46, 211, 255, 0.3);
}

.news-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #2ed3ff, #7c5cff);
  opacity: 0;
  transition: opacity 0.25s;
}

.news-card:hover::before { opacity: 1; }

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: #889bab;
}

.news-cat {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(46, 211, 255, 0.1);
  color: #0f7fa6;
  font-weight: 500;
}

.news-title {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--ink);
}

.news-summary {
  margin: 11px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-foot {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #1583a8;
  font-weight: 500;
}

.news-foot svg { width: 15px; height: 15px; transition: transform 0.2s; }
.news-card:hover .news-foot svg { transform: translateX(3px); }

/* ---------------- 联系 ---------------- */

.contact-section {
  position: relative;
  background:
    radial-gradient(800px 500px at 90% 10%, rgba(46, 211, 255, 0.16), transparent 60%),
    radial-gradient(700px 500px at 0% 80%, rgba(124, 92, 255, 0.16), transparent 60%),
    linear-gradient(160deg, #061426, #04101f);
  padding: 110px 0;
  color: var(--text);
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}

.contact-copy h2 {
  margin: 20px 0 0;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.35;
  font-weight: 700;
  color: #f2fbff;
  letter-spacing: -0.01em;
}

.contact-sub {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(180, 214, 234, 0.72);
  max-width: 440px;
}

.contact-info {
  margin-top: 38px;
  display: grid;
  gap: 14px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(126, 186, 224, 0.12);
}

.contact-row .ci-icon {
  width: 36px; height: 36px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #7fe3ff;
  background: rgba(46, 211, 255, 0.08);
  border: 1px solid rgba(46, 211, 255, 0.2);
}

.contact-row .ci-icon svg { width: 18px; height: 18px; }

.contact-row .ci-text { display: flex; flex-direction: column; gap: 3px; }
.contact-row .ci-label { font-size: 11px; color: rgba(160, 198, 220, 0.6); letter-spacing: 0.06em; }
.contact-row .ci-value { font-size: 14px; color: #e8f8ff; word-break: break-all; }

.contact-note {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(126, 186, 224, 0.12);
}

.contact-note .mono {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(160, 200, 225, 0.5);
}

.contact-note p {
  margin: 8px 0 0;
  font-size: 13px;
  color: rgba(190, 220, 238, 0.7);
}

.contact-form-wrap { position: relative; }

.contact-form {
  background: rgba(255, 255, 255, 0.97);
  border-radius: 22px;
  padding: 34px 32px 28px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, #2ed3ff, #7c5cff);
}

.form-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
}

.form-head h3 { margin: 0; font-size: 21px; font-weight: 600; color: var(--ink); }
.form-head span { font-size: 11.5px; color: #8a9dae; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-form label { display: block; margin-bottom: 16px; }

.contact-form label > span {
  display: block;
  font-size: 12px;
  color: #4d6377;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.contact-form label em { color: #e2536c; font-style: normal; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d9e4ec;
  border-radius: 10px;
  background: #f7fafc;
  padding: 12px 14px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #41c4e8;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(46, 211, 255, 0.14);
}

.contact-form textarea { resize: vertical; min-height: 104px; }

.hp-field {
  position: absolute !important;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-submit { width: 100%; margin-top: 6px; }

.form-tip {
  margin: 14px 0 0;
  font-size: 11px;
  line-height: 1.6;
  color: #9aabba;
  text-align: center;
}

/* ---------------- 页脚 ---------------- */

.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(126, 186, 224, 0.1);
  padding: 64px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.15fr 1.5fr;
  gap: 60px;
  padding-bottom: 50px;
}

.footer-brand p {
  margin: 22px 0 0;
  max-width: 360px;
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(150, 190, 214, 0.62);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-links > div { display: flex; flex-direction: column; gap: 11px; }

.footer-links h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(215, 240, 252, 0.85);
  letter-spacing: 0.1em;
}

.footer-links a,
.footer-links span {
  font-size: 12px;
  color: rgba(150, 190, 214, 0.66);
  transition: color 0.2s;
  line-height: 1.6;
}

.footer-links a:hover { color: #9fe9ff; }

.footer-admin { margin-top: 4px; color: rgba(126, 186, 224, 0.45) !important; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid rgba(126, 186, 224, 0.08);
  font-size: 11.5px;
  color: rgba(140, 180, 204, 0.5);
  flex-wrap: wrap;
}

/* ---------------- 弹窗 ---------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.modal.open { display: flex; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(3, 10, 20, 0.7);
  backdrop-filter: blur(6px);
}

.modal-panel {
  position: relative;
  width: min(720px, 100%);
  max-height: 86vh;
  overflow-y: auto;
  background: #fff;
  color: var(--ink);
  border-radius: 22px;
  padding: 40px 44px 34px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.4);
  animation: modalIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  right: 18px; top: 18px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid #e2eaf1;
  background: #fff;
  color: #6b7f91;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.modal-close:hover { background: #f3f8fb; color: #0f7fa6; }
.modal-close svg { width: 18px; height: 18px; }

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: #7c8fa1;
  margin-bottom: 16px;
}

.modal-meta .tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(46, 211, 255, 0.1);
  color: #0f7fa6;
}

.modal-panel h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.4;
  color: var(--ink);
  padding-right: 40px;
}

.modal-body {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.95;
  color: #3b5165;
}

.modal-body p { margin: 0 0 16px; }

.modal-body .highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 22px;
}

.modal-body .highlights span {
  padding: 6px 12px;
  border-radius: 999px;
  background: #f0f7fb;
  color: #2c6b84;
  font-size: 12px;
  border: 1px solid #dcedf5;
}

.modal-foot {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid #edf2f7;
  display: flex;
  justify-content: flex-end;
}

.modal-foot .btn {
  color: #04121f;
  background: linear-gradient(120deg, #8fe9ff, #2ed3ff 55%, #8c7bff);
  height: 44px;
  font-size: 13.5px;
}

/* ---------------- Toast ---------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%) translateY(20px);
  z-index: 100;
  padding: 13px 22px;
  border-radius: 10px;
  background: rgba(8, 24, 40, 0.94);
  border: 1px solid rgba(126, 186, 224, 0.3);
  color: #eaf8ff;
  font-size: 13px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  max-width: calc(100% - 40px);
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: rgba(255, 120, 140, 0.45); }

/* ---------------- 动画 ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.in { opacity: 1; transform: none; }

.hero-copy { animation: heroIn 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both; }

@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

/* ---------------- 响应式 ---------------- */

/* 纯触屏设备没有悬停，右侧框常显 */
@media (hover: none) {
  .hero-visual.is-collapsed { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
  .visual-handle, .visual-hide { display: none; }
}

@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; padding-bottom: 56px; }
  .hero-visual { max-width: 620px; margin: 0 auto; width: 100%; }
  .hero-copy { max-width: 640px; }
  .hero-film-hud { top: 92px; bottom: auto; right: 16px; }
  .hero-film-map { padding: 4% 4%; }
  .about-grid { gap: 50px; }
  .services-grid, .cases-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { gap: 44px; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }
  .header-cta { display: none; }
}

@media (max-width: 860px) {
  .section { padding: 82px 0; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav {
    position: fixed;
    top: 84px;
    left: 24px; right: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border-radius: 16px;
    background: rgba(6, 18, 34, 0.97);
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    z-index: 70;
    margin-left: 0;
  }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 13px 16px; }
  .header-inner { gap: 14px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid rgba(12, 40, 66, 0.07); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: 2; }
  .section-head.split { flex-direction: column; align-items: flex-start; gap: 20px; }
  .section-head.split .section-sub { text-align: left; max-width: 100%; }
  .cases-filters { justify-content: flex-start; }
  .timeline::before { left: 54px; }
  .timeline-item { grid-template-columns: 46px 1fr; gap: 22px; }
  .timeline-dot { left: 48px; }
  .timeline-card { margin-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-strip { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero { padding-top: 132px; }
  .hero-inner { gap: 38px; }
  .hero-film-hud { top: 84px; right: 12px; padding: 4px 10px 4px 4px; gap: 6px; }
  .film-track { width: 58px; }
  .film-time { font-size: 9px; }
  .hero-film-map { padding: 3% 3%; }
  .modal-panel { padding: 32px 26px 28px; }
}

@media (max-width: 620px) {
  .container { width: calc(100% - 36px); }
  .brand-text b { font-size: 15px; }
  .brand-mark { width: 38px; height: 38px; }
  .hero { padding-top: 116px; }
  .hero-inner { gap: 30px; padding-bottom: 40px; }
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .hero-points { gap: 8px 16px; font-size: 12px; }
  .viewer-frame { transform: none; animation: none; border-radius: 18px; }
  .float-chip { font-size: 11px; padding: 7px 11px; }
  .chip-a { left: -4px; }
  .chip-b { right: -4px; }
  .visual-ring { display: none; }
  .hero-film-map { padding: 2% 2%; }
  .hero-film-hud { top: 96px; right: 12px; }
  .film-track, .film-time { display: none; }
  .section { padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr; transform: translateY(-32px); }
  .stat-item { border-right: 0; border-bottom: 1px solid rgba(12, 40, 66, 0.07); padding: 26px 24px; }
  .stat-item:last-child { border-bottom: 0; }
  .services-grid, .cases-grid, .news-grid, .advantages-grid { grid-template-columns: 1fr; }
  .about-card-bottom { grid-template-columns: 1fr; }
  .about-scene { height: 190px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 28px 22px 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .partners-head { flex-direction: column; gap: 12px; }
  .partners-head p { font-size: 11.5px; }
  .modal { padding: 14px; }
  .modal-panel h3 { font-size: 21px; }
  .hero-tag { font-size: 12px; }
  .hero-strip-tags span { font-size: 11px; padding: 6px 11px; }
  .about-sign { font-size: 11px; }
}

@media (max-width: 400px) {
  .container { width: calc(100% - 28px); }
  .hero { padding-top: 106px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 14px; }
  .header-inner { height: 76px; }
  .nav { top: 76px; left: 14px; right: 14px; }
  .film-track { width: 44px; }
  .film-time { font-size: 8px; }
  .hero-film-hud { top: 88px; right: 10px; }
  .hero-strip-label { font-size: 11px; }
}