/* 开源科技 — 炫酷深色霓虹主题 */
:root {
  --cyan: #37d7fa;
  --violet: #4b72fe;
  --pink: #ff8df2;
  --amber: #ff8705;
  --bg0: #05070f;
  --bg1: #0a0f22;
  --bg2: #101a33;
  --card: rgba(255, 255, 255, 0.045);
  --card-hover: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.1);
  --line-glow: rgba(34, 211, 238, 0.5);
  --ink: #e8ecff;
  --ink-2: #a3b0d0;
  --ink-3: #6878a0;
  --grad: linear-gradient(120deg, var(--cyan), var(--violet) 55%, var(--pink));
  --grad-soft: linear-gradient(120deg, rgba(34,211,238,.15), rgba(168,85,247,.15) 55%, rgba(244,114,182,.15));
  --radius: 18px;
  --shadow: 0 20px 60px rgba(2, 6, 23, 0.6);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.75;
  background:
    radial-gradient(900px 500px at 85% -5%, rgba(168,85,247,.16), transparent 60%),
    radial-gradient(800px 500px at -10% 10%, rgba(34,211,238,.12), transparent 60%),
    radial-gradient(1000px 700px at 50% 120%, rgba(244,114,182,.10), transparent 60%),
    var(--bg0);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(148,163,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
}
a { color: var(--cyan); text-decoration: none; transition: color .25s, box-shadow .25s; }
a:hover { color: #7dd3fc; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

::selection { background: rgba(34,211,238,.35); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--cyan), var(--violet)); border-radius: 6px; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: rgba(5, 7, 15, 0.7);
  backdrop-filter: blur(10px);
  color: var(--ink-2);
  font-size: 12.5px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.topbar .container { display: flex; justify-content: space-between; gap: 12px; }
.topbar a { color: var(--ink-2); }
.topbar a:hover { color: var(--cyan); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 10, 22, 0.75);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 13px; font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: .5px; }
.brand .logo {
  width: 42px; height: 42px; object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(34,211,238,.7)) drop-shadow(0 0 24px rgba(168,85,247,.55));
  animation: logoGlow 1.6s ease-in-out infinite;
  transition: transform .3s;
}
.brand:hover .logo {
  transform: rotate(-12deg) scale(1.1);
  animation: logoGlow 0.7s ease-in-out infinite;
}
@keyframes logoGlow {
  0%, 100% {
    filter: drop-shadow(0 0 8px rgba(34,211,238,.6)) drop-shadow(0 0 20px rgba(168,85,247,.5));
  }
  50% {
    filter: drop-shadow(0 0 22px rgba(34,211,238,1)) drop-shadow(0 0 50px rgba(168,85,247,1)) drop-shadow(0 0 80px rgba(255,141,242,.65));
  }
}
.brand small { display: block; font-size: 10.5px; color: var(--ink-3); font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; }
.footer-logo { width: 26px; height: 26px; object-fit: contain; vertical-align: -5px; margin-right: 8px; filter: drop-shadow(0 0 6px rgba(34,211,238,.5)); }
.menu { display: flex; gap: 30px; list-style: none; }
.menu a {
  color: var(--ink-2); font-size: 15px; font-weight: 600; padding: 8px 2px;
  position: relative; letter-spacing: .3px;
}
.menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--grad); border-radius: 2px;
  transition: width .3s ease;
  box-shadow: 0 0 12px rgba(34,211,238,.8);
}
.menu a:hover, .menu a.active { color: #fff; }
.menu a:hover::after, .menu a.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; font-size: 22px; cursor: pointer; color: var(--ink); width: 42px; height: 42px; }

/* ---------- 首页全屏轮播 ---------- */
.banner {
  position: relative;
  height: 92vh;
  min-height: 560px;
  max-height: 900px;
  overflow: hidden;
  background: #0a0f22;
}
.banner-slides, .banner-slide { position: absolute; inset: 0; }
.banner-slide {
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.1s ease, transform 1.6s ease;
  z-index: 0;
  pointer-events: none;
}
.banner-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
  pointer-events: auto;
}
.banner-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.12);
  transition: transform 7s ease-out;
}
.banner-slide.active .banner-img { transform: scale(1); }
.banner-mask {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(4,6,15,.55) 0%, rgba(4,6,15,.25) 40%, rgba(4,6,15,.55) 80%, var(--bg0) 100%),
    linear-gradient(90deg, rgba(4,6,15,.75) 0%, rgba(4,6,15,.3) 50%, rgba(4,6,15,.15) 100%);
}
.banner-content {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
}
.banner-tag {
  display: inline-block; align-self: flex-start;
  font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase;
  color: #fff; padding: 8px 18px; border-radius: 999px; margin-bottom: 22px;
  background: linear-gradient(120deg, var(--cyan), var(--violet) 55%, var(--pink));
  box-shadow: 0 0 30px rgba(55,215,250,.4);
  animation: fadeUp 1s .2s ease both;
}
.banner-content h1 {
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1.18; font-weight: 900; letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 6px 40px rgba(0,0,0,.5);
  animation: fadeUp 1s .35s ease both;
}
.banner-content h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--violet) 45%, var(--pink) 75%, var(--amber));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 26px rgba(55,215,250,.35));
}
.banner-content p {
  margin-top: 22px; font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,.88); max-width: 560px;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
  animation: fadeUp 1s .5s ease both;
}
.banner-cta { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp 1s .65s ease both; }

/* ---------- 3D 立方体 Hero ---------- */
.banner-cube {
  background: radial-gradient(1000px 600px at 75% 30%, rgba(75,114,254,.22), transparent), radial-gradient(800px 500px at 85% 80%, rgba(59,130,246,.16), transparent), #070b1d;
  display: flex; align-items: center; justify-content: center; gap: clamp(40px, 6vw, 96px);
  height: 82vh; min-height: 520px; max-height: 820px;
}
/* 子页紧凑版：保持原 page-hero 高度感 */
.banner-cube-sm {
  height: auto; min-height: 0; max-height: none;
  padding: 72px 0;
  gap: clamp(32px, 5vw, 72px);
}
.banner-cube-sm .cube-wrap { --cube: clamp(150px, 22vh, 230px); }
.banner-cube-sm .cube-content h1 { font-size: clamp(28px, 3.6vw, 44px); }
.banner-cube-sm .cube-content p { margin-top: 14px; font-size: clamp(14px, 1.6vw, 16px); }
.banner-cube-sm .banner-cta { margin-top: 22px; }
.hero-matrix {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: .3;
  pointer-events: none;
}
.cube-wrap {
  position: relative; flex-shrink: 0;
  --cube: clamp(220px, 32vh, 380px);
  width: var(--cube); height: var(--cube);
  perspective: 1200px; z-index: 2;
  order: 2;
}
/* 外层旋转光环 */
.cube-ring {
  position: absolute; inset: -8%;
  border-radius: 50%;
  border: 1px solid transparent;
  background:
    conic-gradient(from 0deg, transparent 0deg, rgba(55,215,250,.8) 60deg, transparent 140deg, transparent 200deg, rgba(75,114,254,.8) 280deg, transparent 340deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
  animation: ringSpin 8s linear infinite;
  opacity: .8;
}
@keyframes ringSpin { to { transform: rotate(360deg); } }
/* 立方体内核能量球 */
.cube-core {
  position: absolute; left: 50%; top: 50%;
  width: 44%; height: 44%;
  margin-left: -22%; margin-top: -22%;
  border-radius: 50%;
  background: url("../img/logo.png") center/70% no-repeat, radial-gradient(circle at 50% 50%, rgba(55,215,250,.55), rgba(75,114,254,.22) 55%, transparent 78%);
  box-shadow: 0 0 40px rgba(55,215,250,.9), 0 0 90px rgba(75,114,254,.6), 0 0 140px rgba(96,165,250,.35);
  animation: corePulse 2.4s ease-in-out infinite;
  z-index: 1;
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.18); opacity: 1; }
}
.scene { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; }
.cube {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  animation: cubeSpin 22s linear infinite;
}
.cube-face {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: clamp(16px, 2vw, 26px); font-weight: 900; color: #fff; letter-spacing: 4px;
  background:
    radial-gradient(circle at 30% 20%, rgba(55,215,250,.25), transparent 60%),
    linear-gradient(135deg, rgba(34,211,238,.12), rgba(75,114,254,.16) 45%, rgba(96,165,250,.14));
  border: 1px solid rgba(55,215,250,.5);
  box-shadow: inset 0 0 24px rgba(55,215,250,.18), 0 0 18px rgba(75,114,254,.3);
  text-shadow: 0 0 20px rgba(55,215,250,.7);
  overflow: hidden;
}
/* 边框流光 */
.cube-face::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(from var(--ang, 0deg), transparent 0deg, rgba(55,215,250,1) 90deg, transparent 200deg, rgba(75,114,254,.9) 300deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: borderFlow 3s linear infinite;
}
@keyframes borderFlow { to { --ang: 360deg; } }
@property --ang { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.cube-front  { transform: rotateY(0deg)   translateZ(calc(var(--cube) / 2)); }
.cube-back   { transform: rotateY(180deg) translateZ(calc(var(--cube) / 2)); }
.cube-right  { transform: rotateY(90deg)  translateZ(calc(var(--cube) / 2)); }
.cube-left   { transform: rotateY(-90deg) translateZ(calc(var(--cube) / 2)); }
.cube-top    { transform: rotateX(90deg)  translateZ(calc(var(--cube) / 2)); }
.cube-bottom { transform: rotateX(-90deg) translateZ(calc(var(--cube) / 2)); }
@keyframes cubeSpin {
  0%   { transform: rotateX(-18deg) rotateY(0deg); }
  100% { transform: rotateX(-18deg) rotateY(360deg); }
}
.cube-content {
  flex: 0 1 auto; min-width: 0;
  position: relative;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 620px; padding: 0 24px;
  z-index: 3;
}
.cube-content .banner-tag { align-self: flex-start; }
.cube-content h1 { font-size: clamp(34px, 5.4vw, 62px); line-height: 1.18; font-weight: 900; letter-spacing: 1px; color: #fff; text-shadow: 0 6px 40px rgba(0,0,0,.5); animation: fadeUp 1s .35s ease both; }
.cube-content h1 em { font-style: normal; background: linear-gradient(120deg, var(--cyan), var(--violet) 45%, var(--pink) 75%, var(--amber)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 26px rgba(55,215,250,.35)); }
.cube-content p { margin-top: 22px; font-size: clamp(15px, 1.8vw, 18px); color: rgba(255,255,255,.88); max-width: 560px; text-shadow: 0 2px 20px rgba(0,0,0,.4); animation: fadeUp 1s .5s ease both; }
.cube-content .banner-cta { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp 1s .65s ease both; }

/* 立方体 hover 加速 */
.cube-wrap:hover .cube { animation-duration: 6s; }

/* 响应式：小屏立方体置顶缩小，文案居中 */
@media (max-width: 980px) {
  .banner-cube { flex-direction: column; justify-content: flex-start; height: auto; min-height: 0; padding-bottom: 60px; }
  .banner-cube-sm { padding: 56px 0 48px; }
  .cube-wrap { order: 1; margin: 64px auto 0; --cube: 280px; }
  .banner-cube-sm .cube-wrap { margin: 0 auto; --cube: 190px; }
  .cube-content { order: 2; padding-top: 30px; align-items: center; text-align: center; }
  .cube-content .banner-tag { align-self: center; }
  .cube-content p { margin-left: auto; margin-right: auto; }
}
@media (max-width: 560px) {
  .cube-wrap { --cube: 230px; margin-top: 44px; }
  .banner-cube-sm .cube-wrap { --cube: 160px; margin-top: 0; }
  .cube-face { font-size: 20px; }
}
.banner-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 5; width: 50px; height: 50px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  color: #fff; font-size: 30px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .25s, transform .25s, border-color .25s;
}
.banner-nav:hover { background: var(--grad); border-color: transparent; transform: translateY(-50%) scale(1.08); }
.banner-nav.prev { left: 22px; }
.banner-nav.next { right: 22px; }
.banner-dots {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 5; display: flex; gap: 10px;
}
.banner-dot {
  width: 10px; height: 10px; border-radius: 50%;
  border: 0; cursor: pointer; padding: 0;
  background: rgba(255,255,255,.4);
  transition: width .3s, background .3s, box-shadow .3s;
}
.banner-dot.active {
  width: 30px; border-radius: 6px;
  background: var(--grad);
  box-shadow: 0 0 14px rgba(55,215,250,.6);
}
.banner-scroll {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 5; width: 24px; height: 38px; border-radius: 14px;
  border: 2px solid rgba(255,255,255,.5);
}
.banner-scroll::before {
  content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 3px; background: #fff;
  animation: scrollWheel 1.8s ease infinite;
}
@keyframes scrollWheel { 0% { opacity: 1; transform: translate(-50%, 0); } 70% { opacity: 0; transform: translate(-50%, 14px); } 100% { opacity: 0; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  padding: 108px 0 84px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; top: -180px; right: -120px; width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(168,85,247,.28), transparent 65%);
  animation: floatBlob 9s ease-in-out infinite;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; bottom: -160px; left: -140px; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(34,211,238,.22), transparent 65%);
  animation: floatBlob 11s ease-in-out infinite reverse;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: 44px; line-height: 1.22; font-weight: 900; letter-spacing: .5px;
  background: linear-gradient(120deg, #fff 30%, var(--cyan) 55%, var(--violet) 80%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(34,211,238,.25));
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--pink));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { margin-top: 22px; font-size: 17px; color: var(--ink-2); max-width: 520px; }
.hero .cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; position: relative; letter-spacing: .5px;
  transition: transform .25s, box-shadow .25s;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 30px rgba(34,211,238,.35), 0 0 0 1px rgba(255,255,255,.08) inset;
  background-size: 200% 200%;
  animation: gradientMove 5s ease infinite;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(168,85,247,.5), 0 0 0 1px rgba(255,255,255,.12) inset; color: #fff; }
.btn-ghost {
  background: rgba(255,255,255,.05); color: var(--ink); border-color: var(--line);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); box-shadow: 0 0 24px rgba(34,211,238,.25); }

/* 按钮动态小图：电一下（电话）/ 扫一扫（扫码） */
.btn[data-phone]::before, .btn[data-qr]::before {
  content: ""; width: 18px; height: 18px; flex-shrink: 0;
  display: inline-block; background-repeat: no-repeat; background-position: center;
  background-size: contain;
  vertical-align: -3px;
}
.btn[data-phone]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M6.62 10.79a15.05 15.05 0 0 0 6.59 6.59l2.2-2.2a1 1 0 0 1 1.02-.24 11.36 11.36 0 0 0 3.57.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1 11.36 11.36 0 0 0 .57 3.57 1 1 0 0 1-.24 1.02z'/%3E%3C/svg%3E");
  animation: icoShake 1.2s ease-in-out infinite;
}
.btn[data-qr]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M3 3h8v8H3V3zm2 2v4h4V5H5zm8-2h8v8h-8V3zm2 2v4h4V5h-4zM3 13h8v8H3v-8zm2 2v4h4v-4H5zm8-2h2v3h-2v-3zm2-2h2v2h-2v-2zm2 2h2v2h-2v-2zm0 3h2v3h-2v-3zm-3 2h3v3h-3v-3zm-4 3h3v-2h-3v2z'/%3E%3C/svg%3E");
  animation: icoPulse 1.2s ease-in-out infinite;
}
@keyframes icoShake {
  0%, 100% { transform: rotate(0); }
  20%      { transform: rotate(-18deg); }
  40%      { transform: rotate(14deg); }
  60%      { transform: rotate(-10deg); }
  80%      { transform: rotate(8deg); }
}
@keyframes icoPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.25); }
}

/* 页脚链接小图标 */
.footer a[data-phone]::before {
  content: ""; display: inline-block; width: 13px; height: 13px;
  margin-right: 5px; vertical-align: -1px;
  background-repeat: no-repeat; background-position: center; background-size: contain;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M6.62 10.79a15.05 15.05 0 0 0 6.59 6.59l2.2-2.2a1 1 0 0 1 1.02-.24 11.36 11.36 0 0 0 3.57.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1 11.36 11.36 0 0 0 .57 3.57 1 1 0 0 1-.24 1.02z'/%3E%3C/svg%3E");
  animation: icoShake 1.2s ease-in-out infinite;
}
.hero .mock {
  border-radius: 22px; position: relative; padding: 14px;
  background: linear-gradient(var(--bg2), var(--bg2)) padding-box,
    var(--grad) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 30px 80px rgba(2,6,23,.7), 0 0 60px rgba(34,211,238,.12);
  animation: floatY 6s ease-in-out infinite;
}
.hero .mock img { border-radius: 14px; width: 100%; object-fit: cover; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02) 20%, rgba(255,255,255,.02) 80%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.sec-head { text-align: center; max-width: 660px; margin: 0 auto 52px; }
.sec-head .eyebrow {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 3px;
  text-transform: uppercase; padding: 6px 18px; border-radius: 999px; margin-bottom: 16px;
  color: var(--cyan);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  background: rgba(34,211,238,.1);
  border: 1px solid rgba(34,211,238,.3);
  box-shadow: 0 0 20px rgba(34,211,238,.15);
}
.sec-head h2 {
  font-size: 34px; font-weight: 900;
  background: linear-gradient(120deg, #fff 20%, var(--cyan) 60%, var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sec-head p { color: var(--ink-2); margin-top: 14px; font-size: 15.5px; }

/* ---------- 卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  transition: transform .3s, box-shadow .3s, border-color .3s, background .3s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad);
  opacity: 0; transition: opacity .3s;
}
.card::after {
  content: ""; position: absolute; top: -60%; left: -30%; width: 70%; height: 220%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.08), transparent);
  transform: rotate(20deg) translateX(-120%);
  transition: transform .8s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); box-shadow: 0 24px 70px rgba(2,6,23,.7), 0 0 40px rgba(34,211,238,.15); border-color: rgba(34,211,238,.4); background: var(--card-hover); }
.card:hover::before { opacity: 1; }
.card:hover::after { transform: rotate(20deg) translateX(220%); }
.card .ico {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--grad);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 27px; font-weight: 900;
  box-shadow: 0 8px 24px rgba(168,85,247,.35);
}
.card h3 { margin-top: 20px; font-size: 20px; font-weight: 800; color: #fff; }
.card p { margin-top: 12px; color: var(--ink-2); font-size: 14.5px; }
.card .more { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 700; color: var(--cyan); position: relative; }
.card .more:hover { color: #fff; text-shadow: 0 0 12px rgba(34,211,238,.8); }

/* ---------- 能力分区 (modal 风格) ---------- */
.capabilities {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.cap {
  position: relative;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; backdrop-filter: blur(12px);
  transition: transform .3s, border-color .3s, box-shadow .3s;
  overflow: hidden;
}
.cap::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
}
.cap:hover { transform: translateY(-6px); border-color: rgba(55,215,250,.35); box-shadow: 0 22px 55px rgba(2,6,23,.6); }
.cap:hover::before { opacity: 1; }
.cap .cap-no {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px; letter-spacing: 2px; color: var(--ink-3);
}
.cap h3 { margin-top: 14px; font-size: 19px; font-weight: 800; color: #fff; }
.cap p { margin-top: 10px; color: var(--ink-2); font-size: 14px; }
.cap .cap-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.cap .cap-tags span {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 11.5px; letter-spacing: .5px;
  padding: 5px 12px; border-radius: 999px;
  color: var(--cyan); background: rgba(55,215,250,.08);
  border: 1px solid rgba(55,215,250,.25);
}
.cap .cap-arrow {
  position: absolute; right: 22px; top: 26px;
  font-family: ui-monospace, monospace; font-size: 22px;
  color: var(--ink-3); transition: color .3s, transform .3s;
}
.cap:hover .cap-arrow { color: var(--cyan); transform: translateX(4px); }

/* ---------- 尾部 CTA ---------- */
.cta-zone {
  position: relative; overflow: hidden; text-align: center;
  padding: 96px 24px;
  border-radius: 24px;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(55,215,250,.18), transparent),
    radial-gradient(600px 300px at 80% 100%, rgba(255,141,242,.15), transparent),
    linear-gradient(135deg, #0b1030, #1a1145 55%, #3b0f56);
  border: 1px solid rgba(255,255,255,.1);
}
.cta-matrix {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: .5;
  border-radius: inherit;
  pointer-events: none;
}
.cta-zone .cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-zone .cta-code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px; letter-spacing: 1px; color: var(--cyan);
  background: rgba(55,215,250,.1); border: 1px solid rgba(55,215,250,.3);
  display: inline-block; padding: 8px 18px; border-radius: 8px; margin-bottom: 26px;
}
.cta-zone h2 {
  font-size: clamp(30px, 4.4vw, 46px); font-weight: 900; color: #fff; line-height: 1.25;
  text-shadow: 0 6px 40px rgba(0,0,0,.4);
}
.cta-zone h2 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--pink) 60%, var(--amber));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.cta-zone p { margin-top: 18px; color: var(--ink-2); font-size: 16px; }
.cta-zone .cta-btns { margin-top: 34px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 数字/信任区 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.stat { text-align: center; padding: 20px 0; }
.stat b {
  display: block; font-size: 46px; font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 22px rgba(34,211,238,.35));
  font-variant-numeric: tabular-nums;
}
.stat span { color: var(--ink-2); font-size: 14px; letter-spacing: .5px; }
.stat b em {
  font-style: normal; font-size: 22px; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.school-intro {
  position: relative;
  background:
    linear-gradient(rgba(6, 10, 24, .68), rgba(6, 10, 24, .76)),
    url("../img/1718611629211.jpg") center/cover no-repeat;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 46px;
  overflow: hidden;
}
.school-intro p {
  color: #d7dce8; font-size: 15.5px; line-height: 1.9;
  margin-bottom: 18px;
  position: relative;
  text-shadow: 0 1px 4px rgba(0,0,0,.9);
}
.school-intro p:last-child { margin-bottom: 0; }
.school-intro p strong { color: #fff; }

.school-grid { margin-top: 48px; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.school-grid .solution-card {
  padding: 16px;
}
.school-grid .solution-card p { margin: 10px 0 14px; font-size: 13px; }
.school-grid .solution-card h3 { font-size: 16px; }
.school-grid .solution-card img {
  height: 160px; object-fit: cover; object-position: top;
}

/* ---------- 技术栈 ---------- */
.tech-stack {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 1200px) {
  .tech-stack { grid-template-columns: repeat(2, 1fr); }
}
.tech-item {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; transition: transform .3s, border-color .3s, box-shadow .3s;
}
.tech-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(55,215,250,.06) 50%, transparent 70%);
  opacity: 0; transition: opacity .35s;
}
.tech-item:hover { transform: translateY(-4px); border-color: rgba(55,215,250,.35); box-shadow: 0 18px 45px rgba(2,6,23,.55); }
.tech-item:hover::after { opacity: 1; }
.tech-item .tech-role {
  display: inline-block; font-family: ui-monospace, Menlo, monospace;
  font-size: 10.5px; letter-spacing: 2px; color: var(--ink-3);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px;
}
.tech-item b {
  display: block; margin-top: 14px; font-size: 24px; font-weight: 900; color: #fff;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.tech-item small { display: block; margin-top: 8px; color: var(--ink-3); font-size: 13px; }

/* ---------- 解决方案 ---------- */
.solution-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.solution-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.solution-card:hover { transform: translateY(-5px); border-color: rgba(55,215,250,.35); box-shadow: 0 22px 55px rgba(2,6,23,.6); }
.solution-card .solution-head { display: flex; align-items: center; gap: 14px; }
.solution-card .solution-head .cap-no { color: var(--cyan); }
.solution-card .solution-head .cap-arrow { margin-left: auto; color: var(--ink-3); font-family: ui-monospace, monospace; font-size: 20px; transition: color .3s, transform .3s; }
.solution-card:hover .solution-head .cap-arrow { color: var(--cyan); transform: translateX(4px); }
.solution-card h3 { font-size: 19px; font-weight: 800; color: #fff; }
.solution-card p { margin: 12px 0 20px; color: var(--ink-2); font-size: 14px; }
.solution-card img {
  width: 100%; border-radius: 10px; display: block;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  transition: transform .4s;
}
.solution-card:hover img { transform: scale(1.02); }

.live-grid {
  grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.live-grid .solution-card img {
  height: 260px; object-fit: cover; object-position: top;
}

/* ---------- 合作流程 ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step {
  position: relative; text-align: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 18px; transition: transform .3s, border-color .3s;
}
.process-step:hover { transform: translateY(-4px); border-color: rgba(55,215,250,.35); }
.process-step b {
  display: block; font-size: 34px; font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 18px rgba(34,211,238,.35));
}
.process-step span { display: block; margin-top: 10px; color: var(--ink-2); font-size: 15px; font-weight: 600; }


/* ---------- 关于预览 ---------- */
.about-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  margin-bottom: 72px;
}
.about-intro > img {
  width: 100%; border-radius: var(--radius);
  box-shadow: 0 30px 70px rgba(2,6,23,.6), 0 0 50px rgba(75,114,254,.2);
  border: 1px solid rgba(255,255,255,.1);
}
.about-intro h2 {
  font-size: clamp(28px, 3vw, 36px); font-weight: 900;
  background: linear-gradient(120deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about-intro p { margin-top: 18px; color: var(--ink-2); font-size: 15.5px; }

.about-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 72px; }
.about-feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; backdrop-filter: blur(12px);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.about-feature:hover { transform: translateY(-6px); border-color: rgba(55,215,250,.4); box-shadow: 0 20px 50px rgba(2,6,23,.6); }
.about-feature .ico {
  width: 48px; height: 48px; border-radius: 13px; background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 800;
  box-shadow: 0 8px 22px rgba(75,114,254,.35);
}
.about-feature h3 { margin-top: 16px; font-size: 17px; font-weight: 800; color: #fff; }
.about-feature p { margin-top: 10px; color: var(--ink-2); font-size: 14px; line-height: 1.7; }

.about-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 72px; }
.about-fact {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; backdrop-filter: blur(12px);
}
.about-fact b {
  display: block; font-size: 15px; font-weight: 800; color: #fff; margin-bottom: 8px;
}
.about-fact span { font-size: 13.5px; color: var(--ink-2); line-height: 1.6; display: block; }

.about-cases { margin-bottom: 72px; }
.about-cases h3 {
  font-size: 24px; font-weight: 900; color: #fff; margin-bottom: 8px;
  background: linear-gradient(120deg, #fff, var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about-cases > p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 26px; }
.about-clients {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px;
}
.about-clients span {
  padding: 9px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  color: var(--ink); background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
}
.about-clients span:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 16px rgba(55,215,250,.2); }
.about-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.about-gallery img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 12px; border: 1px solid var(--line);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.about-gallery img:hover {
  transform: scale(1.04); box-shadow: 0 16px 40px rgba(2,6,23,.6);
  border-color: rgba(55,215,250,.5); z-index: 2; position: relative;
}

.about-school {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
}
.about-school .text h3 {
  font-size: 24px; font-weight: 900; color: #fff; margin-bottom: 14px;
  background: linear-gradient(120deg, #fff, var(--amber));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.about-school .text p { color: var(--ink-2); font-size: 15px; margin-bottom: 12px; }
.about-school .photos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-school .photos img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 12px;
  border: 1px solid var(--line);
  transition: transform .35s, box-shadow .35s;
}
.about-school .photos img:hover { transform: scale(1.04); box-shadow: 0 14px 36px rgba(2,6,23,.6); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split > img {
  border-radius: var(--radius);
  box-shadow: 0 30px 70px rgba(2,6,23,.6), 0 0 50px rgba(168,85,247,.15);
  border: 1px solid rgba(255,255,255,.1);
}
.split h2 {
  font-size: 32px; font-weight: 900;
  background: linear-gradient(120deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.split p { margin-top: 16px; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(180deg, rgba(7,10,22,.4), #04060e);
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 60px 0 28px;
  color: var(--ink-2);
}
.footer .container { display: grid; grid-template-columns: 2fr 1fr 1.3fr 0.7fr; gap: 44px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; position: relative; padding-left: 12px; }
.footer h4::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: var(--grad); }
.footer p { font-size: 14px; }
.footer ul { list-style: none; display: grid; gap: 11px; font-size: 14px; }
.footer a { color: var(--ink-2); }
.footer a:hover { color: var(--cyan); }
.footer .bottom { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; font-size: 12.5px; color: var(--ink-3); line-height: 1.8; }
.footer .bottom a { color: var(--ink-3); text-decoration: none; transition: color .25s; }
.footer-qr img { width: 118px; height: 118px; border-radius: 10px; border: 1px solid rgba(255,255,255,.12); background: #fff; object-fit: cover; }

/* 号码弹出提示（定位在触发按钮旁） */
.phone-pop {
  position: fixed; left: 50%; top: 0; z-index: 999;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px;
  background: rgba(10, 15, 34, .96);
  border: 1px solid rgba(55,215,250,.45);
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(0,0,0,.55), 0 0 26px rgba(75,114,254,.28);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translate(-50%, -110%) translateY(6px);
  transition: opacity .25s, transform .25s, visibility .25s;
  backdrop-filter: blur(12px);
  white-space: nowrap;
}
.phone-pop.show { opacity: 1; visibility: visible; transform: translate(-50%, -110%); }
.phone-pop.below { transform: translate(-50%, 8px); }
.phone-pop.below.show { transform: translate(-50%, 0); }
.phone-pop .phone-pop-tip { font-size: 13px; color: var(--ink-3); }
.phone-pop .phone-pop-num {
  font-size: 22px; font-weight: 900; letter-spacing: 1px;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(55,215,250,.4);
}
/* 加微信二维码弹出（定位在触发按钮旁） */
.qr-pop {
  position: fixed; left: 50%; top: 0; z-index: 999;
  padding: 14px;
  background: rgba(10, 15, 34, .97);
  border: 1px solid rgba(55,215,250,.45);
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(0,0,0,.55), 0 0 26px rgba(75,114,254,.28);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translate(-50%, -110%) translateY(6px);
  transition: opacity .25s, transform .25s, visibility .25s;
  backdrop-filter: blur(12px);
  text-align: center;
}
.qr-pop.show { opacity: 1; visibility: visible; transform: translate(-50%, -110%); }
.qr-pop.below { transform: translate(-50%, 8px); }
.qr-pop.below.show { transform: translate(-50%, 0); }
.qr-pop .qr-pop-img {
  width: 156px; height: 156px;
  border-radius: 8px;
  background: #fff;
  object-fit: cover;
  display: block;
}
.qr-pop .qr-pop-txt { margin-top: 10px; font-size: 13.5px; color: #fff; line-height: 1.6; }
.qr-pop .qr-pop-txt small { color: var(--ink-3); font-size: 12px; }
.footer .bottom a:hover { color: var(--cyan); }

/* ---------- 子页 banner ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0b1030, #1a1145 55%, #3b0f56);
  color: #fff; padding: 76px 0; text-align: center;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 260px at 20% -30%, rgba(34,211,238,.28), transparent),
    radial-gradient(600px 260px at 80% -20%, rgba(168,85,247,.3), transparent),
    radial-gradient(500px 300px at 50% 130%, rgba(244,114,182,.2), transparent);
  pointer-events: none;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: 36px; font-weight: 900;
  text-shadow: 0 0 40px rgba(34,211,238,.4);
}
.page-hero p { margin-top: 12px; opacity: .85; letter-spacing: .5px; }

/* ---------- 文章页 ---------- */
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-body {
  background: linear-gradient(var(--bg2), var(--bg1)) padding-box,
    linear-gradient(140deg, rgba(34,211,238,.5), rgba(168,85,247,.5), rgba(244,114,182,.4)) border-box;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 44px 46px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
.breadcrumb { color: var(--ink-3); font-size: 13.5px; margin-bottom: 22px; }
.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--cyan); }
.article-body h1 {
  font-size: 28px; font-weight: 900; line-height: 1.4; color: #fff;
  text-shadow: 0 0 30px rgba(34,211,238,.2);
}
.article-meta { color: var(--ink-3); font-size: 13px; margin: 14px 0 28px; display: flex; gap: 18px; }
.prose { font-size: 15.5px; color: var(--ink-2); }
.prose h2 {
  color: #fff; font-size: 21px; font-weight: 800; margin: 36px 0 16px;
  padding-left: 14px; border-left: 4px solid var(--cyan);
  text-shadow: 0 0 20px rgba(34,211,238,.3);
}
.prose h3 { color: #fff; font-size: 18px; font-weight: 700; margin: 26px 0 12px; }
.prose p { margin-bottom: 16px; }
.prose a { color: var(--cyan); border-bottom: 1px dashed rgba(34,211,238,.4); }
.prose img {
  border-radius: 12px; margin: 12px auto;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(2,6,23,.5);
}
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; overflow: hidden; border-radius: 12px; }
.prose th, .prose td { border: 1px solid rgba(255,255,255,.12); padding: 10px 14px; text-align: left; }
.prose th { background: rgba(34,211,238,.12); color: #fff; font-weight: 700; }
.prose tr:nth-child(even) td { background: rgba(255,255,255,.03); }
.prose ul, .prose ol { margin: 8px 0 16px 24px; }
.prose li { margin: 7px 0; }
.prose li::marker { color: var(--cyan); }
.prose video, .prose iframe { max-width: 100%; border-radius: 12px; border: 1px solid var(--line); }
.prose blockquote {
  margin: 18px 0; padding: 14px 20px; border-left: 4px solid var(--violet);
  background: rgba(168,85,247,.08); border-radius: 0 12px 12px 0; color: var(--ink-2);
}
.prose hr { border: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--line-glow), transparent); margin: 24px 0; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info .card { margin-bottom: 16px; }
.contact-info .card b { display: block; color: #fff; font-size: 16px; margin-bottom: 6px; }
.contact-info .card span { color: var(--ink-2); font-size: 15px; }
.contact-info .card:hover::after { display: none; }

/* ---------- 动画 ---------- */
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes floatBlob { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(30px,-30px) scale(1.1); } }
@keyframes glowPulse { 0%,100% { box-shadow: 0 0 24px rgba(34,211,238,.45), 0 0 50px rgba(168,85,247,.3); } 50% { box-shadow: 0 0 36px rgba(34,211,238,.7), 0 0 70px rgba(168,85,247,.5); } }
@keyframes gradientMove { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .banner { height: 78vh; min-height: 480px; }
  .banner-nav { width: 40px; height: 40px; font-size: 24px; }
  .banner-nav.prev { left: 12px; }
  .banner-nav.next { right: 12px; }
  .banner-content { padding: 0 18px; }
  .hero .container, .split { grid-template-columns: 1fr; }
  .about-intro, .about-school { grid-template-columns: 1fr; gap: 32px; }
  .about-features { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: repeat(2, 1fr); }
  .about-gallery { grid-template-columns: repeat(2, 1fr); }
  .capabilities { grid-template-columns: 1fr; }
  .tech-stack { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .live-grid { grid-template-columns: repeat(2, 1fr); }
  .school-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .cta-zone { padding: 64px 20px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 34px; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .menu {
    position: fixed; inset: 0 0 0 auto; width: min(300px, 82%);
    background: rgba(8, 12, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column; padding: 90px 36px; gap: 26px;
    box-shadow: -30px 0 80px rgba(0,0,0,.6);
    transform: translateX(100%);
    transition: transform .35s ease;
    border-left: 1px solid var(--line);
  }
  .menu.open { transform: translateX(0); }
  .menu a { font-size: 18px; color: var(--ink); }
  .menu a::after { display: none; }
  .nav-toggle { display: block; }
  .footer .container { grid-template-columns: 1fr; gap: 30px; }
  .article-body { padding: 26px 22px; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .sec-head h2 { font-size: 28px; }
}

@media (max-width: 560px) {
  .topbar .container span:last-child { display: none; }
  .banner { height: 72vh; min-height: 420px; }
  .banner-content h1 { font-size: 30px; }
  .banner-dots { bottom: 26px; }
  .hero h1 { font-size: 28px; }
  .about-facts { grid-template-columns: 1fr; }
  .about-gallery { grid-template-columns: 1fr; }
  .hero p { font-size: 15.5px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .stat b { font-size: 36px; }
  .process { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .container { padding: 0 18px; }
  .page-hero { padding: 56px 0; }
  .page-hero h1 { font-size: 28px; }
  .live-grid .solution-card img { height: 220px; }
  .school-grid { grid-template-columns: 1fr; }
  .school-grid .solution-card img { height: 200px; }
  .school-intro { padding: 28px 22px; }
  .live-grid { grid-template-columns: 1fr; }
  .article-body { padding: 22px 18px; }
}