/* =========================================================
   洪华大数据官网 · 视觉系统
   Brand: #003384 / #EA4D18
   ========================================================= */

:root {
  --blue-950: #000d20;
  --blue-900: #00122e;
  --blue-850: #001a45;
  --blue-800: #00225c;
  --brand: #003384;
  --blue-500: #1e5bd6;
  --blue-400: #4d8bff;
  --blue-300: #7fb0ff;
  --red: #ea4d18;
  --red-400: #ff6a3d;
  --red-500: #d63f0f;
  --ink: #0b1526;
  --ink-2: #1a2a44;
  --muted: #5b6b82;
  --muted-2: #8a97ab;
  --line: #e3e9f2;
  --line-strong: #d5dfec;
  --bg: #f5f7fb;
  --white: #ffffff;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 16px 48px rgba(0, 26, 69, 0.07);
  --shadow-hover: 0 28px 70px rgba(0, 26, 69, 0.13);
  --font-sans: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Inter", "Segoe UI", var(--font-sans);
  --container: 1240px;
  --header-h: 78px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.no-scroll {
  overflow: hidden;
}

::selection {
  background: rgba(234, 77, 24, 0.9);
  color: #fff;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
dl,
dd {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 3000;
  padding: 12px 18px;
  border-radius: 10px;
  background: #fff;
  color: var(--brand);
  font-size: 14px;
  text-decoration: none;
  box-shadow: var(--shadow-hover);
  transition: top 0.25s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* ========== 通用文字与按钮 ========== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--red);
  flex: 0 0 auto;
}

.eyebrow-dark {
  color: rgba(200, 220, 250, 0.6);
}

.eyebrow-center {
  justify-content: center;
}

.text-blue {
  color: var(--brand);
}

.text-red {
  color: var(--red);
}

.text-gradient {
  background: linear-gradient(100deg, #9cc4ff 0%, #4d8bff 42%, #ff7a45 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  transition: transform 0.35s var(--ease);
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--blue-500) 0%, var(--brand) 100%);
  color: #fff;
  box-shadow: 0 12px 32px rgba(30, 91, 214, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(30, 91, 214, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.36);
}

.btn-nav {
  min-height: 40px;
  padding: 9px 20px;
  background: linear-gradient(120deg, var(--red-400), var(--red));
  color: #fff;
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(234, 77, 24, 0.28);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(234, 77, 24, 0.4);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.text-link svg {
  width: 15px;
  height: 15px;
}

.text-link:hover {
  gap: 13px;
  color: var(--red);
}

/* ========== 顶部导航 ========== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease);
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  background: rgba(0, 18, 46, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: 1360px;
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 4px;
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  color: #fff;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-text em {
  margin-top: 3px;
  color: rgba(190, 210, 240, 0.52);
  font-family: var(--font-num);
  font-size: 8.5px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-links a {
  display: block;
  padding: 9px 15px;
  border-radius: 999px;
  color: rgba(225, 235, 250, 0.68);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.site-header.is-menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-header.is-menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  overflow: hidden;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-400), var(--red));
  box-shadow: 0 0 12px rgba(77, 139, 255, 0.6);
}

/* ========== 移动端菜单 ========== */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 990;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 104px 28px 36px;
  background: rgba(0, 15, 40, 0.985);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease),
    visibility 0.35s var(--ease);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(240, 246, 255, 0.88);
  font-size: 1.45rem;
  font-weight: 600;
  text-decoration: none;
}

.mobile-nav a span {
  color: var(--red-400);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.mobile-contact {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-contact p {
  margin-top: 12px;
  color: rgba(190, 210, 240, 0.42);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.mobile-contact a {
  color: #fff;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

/* ========== Hero ========== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: calc(var(--header-h) + 68px) 0 132px;
  overflow: hidden;
  background: var(--blue-900);
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid,
.contact-grid,
.platform-grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(120, 170, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 42%, #000 15%, transparent 74%);
  mask-image: radial-gradient(ellipse at 50% 42%, #000 15%, transparent 74%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}

.hero-orb-blue {
  top: -14%;
  right: 2%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.55), transparent 68%);
  animation: orbFloat 14s ease-in-out infinite;
}

.hero-orb-red {
  bottom: -22%;
  left: -8%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(234, 77, 24, 0.24), transparent 68%);
  animation: orbFloat 18s ease-in-out infinite reverse;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 36px;
  align-items: center;
}

.hero-copy {
  max-width: 660px;
}

.hero-title {
  margin: 24px 0 24px;
  font-size: clamp(2.9rem, 5.5vw, 5.3rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
}

.title-sep {
  margin: 0 0.1em;
  color: rgba(234, 77, 24, 0.8);
  font-weight: 300;
}

.title-accent {
  background: linear-gradient(120deg, #ff9a6b 0%, var(--red) 55%, #ff7a45 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 0 34px rgba(234, 77, 24, 0.24));
}

.hero-sub {
  max-width: 560px;
  color: rgba(205, 222, 245, 0.66);
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  line-height: 1.9;
}

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

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 38px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.hero-meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-meta strong {
  color: #fff;
  font-family: var(--font-num);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-meta span {
  color: rgba(225, 236, 252, 0.78);
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* Hero 六边形核心 */

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.core-stage {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1 / 1;
}

.core-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(120, 170, 255, 0.16);
  border-radius: 50%;
}

.ring-a {
  width: 96%;
  height: 96%;
  border-style: dashed;
  animation: spin 46s linear infinite;
}

.ring-b {
  width: 76%;
  height: 76%;
  border-color: rgba(120, 170, 255, 0.12);
  animation: spinReverse 62s linear infinite;
}

.ring-c {
  width: 56%;
  height: 56%;
  border-style: dashed;
  border-color: rgba(255, 106, 61, 0.16);
  animation: spin 78s linear infinite;
}

.core-ring::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 16px var(--blue-400);
}

.ring-c::before {
  background: var(--red-400);
  box-shadow: 0 0 16px var(--red);
}

.core-scan {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 92%;
  height: 92%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 76%, rgba(77, 139, 255, 0.3) 90%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle, transparent 56%, #000 58%);
  mask-image: radial-gradient(circle, transparent 56%, #000 58%);
  opacity: 0.65;
  animation: spin 9s linear infinite;
}

.core-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 58%;
  height: 58%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.42), transparent 68%);
  filter: blur(34px);
  animation: glowPulse 5s ease-in-out infinite;
}

.core-hex {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 46%;
  aspect-ratio: 1 / 1;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  filter: drop-shadow(0 0 44px rgba(77, 139, 255, 0.22));
  animation: hexFloat 7s ease-in-out infinite;
  z-index: 3;
}

.core-hex-inner {
  display: grid;
  place-items: center;
  width: 88%;
  height: 88%;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: #05070d;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.65);
  overflow: hidden;
}

.core-hex-inner img {
  transform: scale(.85);
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  filter: drop-shadow(0 0 18px rgba(0, 190, 255, 0.25));
}

.orbit-chip {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid rgba(120, 170, 255, 0.22);
  border-radius: 999px;
  background: rgba(0, 18, 46, 0.74);
  color: rgba(225, 236, 252, 0.78);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  animation: chipFloat 6s ease-in-out infinite;
}

.orbit-chip i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 8px var(--blue-400);
}

.orbit-chip:nth-of-type(2n) i {
  background: var(--red-400);
  box-shadow: 0 0 8px var(--red);
}

.chip-qa {
  top: 8%;
  left: 0;
}

.chip-qb {
  top: 20%;
  right: -2%;
  animation-delay: -1.4s;
}

.chip-qc {
  bottom: 19%;
  left: -2%;
  animation-delay: -2.8s;
}

.chip-ind {
  top: 0;
  right: 20%;
  animation-delay: -0.8s;
}

.chip-edu {
  right: 2%;
  bottom: 10%;
  animation-delay: -3.6s;
}

.chip-vert {
  bottom: 1%;
  left: 26%;
  animation-delay: -2.1s;
}

/* ========== 通用 Section ========== */

.section {
  position: relative;
  padding: 112px 0;
  overflow: hidden;
}

/* —— section 点缀：序号水印（右侧小编号） —— */
.section::after {
  content: attr(data-idx);
  position: absolute;
  right: 24px;
  top: -6px;
  font-family: var(--font-num);
  font-size: clamp(72px, 9vw, 130px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.section-light::after,
.section-soft::after {
  color: rgba(30, 91, 214, 0.05);
}

.section-dark::after {
  color: rgba(130, 170, 250, 0.055);
}

/* —— section 底部 accent line —— */
.section::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 1;
}

.section-light::before,
.section-soft::before {
  background: linear-gradient(90deg, transparent 0%, rgba(30, 91, 214, 0.12) 30%, rgba(234, 77, 24, 0.18) 70%, transparent 100%);
}

.section-dark::before {
  background: linear-gradient(90deg, transparent 0%, rgba(130, 170, 250, 0.18) 30%, rgba(255, 106, 61, 0.22) 70%, transparent 100%);
}

/* —— 深色 section 左上角光斑 —— */
.section-dark .container::before {
  content: '';
  position: absolute;
  left: -200px;
  top: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 139, 255, 0.16) 0%, rgba(77, 139, 255, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

.section-light {
  background: #fff;
}

.section-soft {
  background: var(--bg);
}

.section-dark {
  background: var(--blue-900);
  color: #fff;
}

.sec-head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: end;
  margin-bottom: 54px;
}

.sec-head h2 {
  margin-top: 16px;
  font-size: clamp(2rem, 3.6vw, 3.05rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.sec-head-desc {
  max-width: 430px;
  padding-bottom: 6px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ========== 产品矩阵 ========== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 30px 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
  will-change: transform;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-400), var(--red));
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.product-card::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.14), transparent 68%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(30, 91, 214, 0.24);
  box-shadow: var(--shadow-hover);
}

.product-card:hover::before,
.product-card:hover::after {
  opacity: 1;
}

.card-index {
  position: absolute;
  top: 26px;
  right: 28px;
  color: var(--muted-2);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.product-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: rgba(30, 91, 214, 0.08);
  color: var(--blue-500);
}

.product-icon svg {
  width: 27px;
  height: 27px;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  margin-bottom: 14px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 106, 61, 0.24);
  border-radius: 999px;
  background: rgba(234, 77, 24, 0.12);
  color: #ffb59a;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.product-badge i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red-400);
  box-shadow: 0 0 8px var(--red);
}

.product-code {
  margin: 18px 0 -4px;
  color: rgba(0, 51, 132, 0.08);
  font-family: var(--font-num);
  font-size: 4.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.product-card h3 {
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.4;
}

.product-tagline {
  margin: 6px 0 20px;
  color: var(--blue-500);
  font-size: 12.5px;
  font-weight: 600;
}

.product-list {
  margin-bottom: 26px;
}

.product-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
  font-size: 13.5px;
}

.product-list li:last-child {
  border-bottom: 0;
}

.product-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border: 1px solid var(--blue-400);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.product-card .text-link {
  margin-top: auto;
  padding-top: 4px;
}

.product-card-featured {
  border-color: rgba(77, 139, 255, 0.24);
  background: linear-gradient(160deg, #00225c 0%, #00122e 64%, #1c1109 100%);
  color: #fff;
  box-shadow: 0 26px 64px rgba(0, 26, 69, 0.28);
}

.product-card-featured::after {
  top: auto;
  right: -60px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(234, 77, 24, 0.24), transparent 66%);
  opacity: 1;
}

.product-card-featured:hover {
  border-color: rgba(255, 106, 61, 0.42);
}

.product-card-featured .card-index {
  color: rgba(190, 210, 240, 0.4);
}

.product-card-featured .product-icon {
  background: rgba(255, 255, 255, 0.07);
  color: #9cc4ff;
}

.product-card-featured .product-code {
  color: rgba(255, 255, 255, 0.07);
}

.product-card-featured .product-tagline {
  color: #9cc4ff;
}

.product-card-featured .product-list li {
  border-bottom-color: rgba(255, 255, 255, 0.09);
  color: rgba(225, 235, 250, 0.62);
}

.product-card-featured .product-list li::before {
  border-color: var(--red-400);
}

.product-card-featured .text-link {
  color: #fff;
}

.product-card-featured .text-link:hover {
  color: #ffb59a;
}

/* ========== 行业方案 ========== */

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.industry-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

.industry-card:hover {
  transform: translateY(-7px);
  border-color: rgba(30, 91, 214, 0.22);
  box-shadow: var(--shadow-hover);
}

.industry-visual {
  position: relative;
  height: 228px;
  overflow: hidden;
}

.industry-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 94%);
  mask-image: linear-gradient(180deg, #000, transparent 94%);
}

.industry-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(0, 10, 28, 0.28) 100%);
  pointer-events: none;
}

.visual-industrial {
  background: linear-gradient(145deg, #001a45 0%, #003384 100%);
  color: #8fc0ff;
}

.visual-edu {
  background: linear-gradient(145deg, #071c40 0%, #1e5bd6 100%);
  color: #d3e5ff;
}

.visual-vert {
  background: linear-gradient(145deg, #00122e 24%, #3a1609 100%);
  color: #ffb59a;
}

.industry-visual svg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  transition: transform 0.7s var(--ease);
}

.industry-card:hover .industry-visual svg {
  transform: scale(1.035);
}

.visual-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(0, 10, 28, 0.32);
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-num);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.art-dash {
  animation: dashMove 9s linear infinite;
}

.art-nodes circle {
  animation: nodeBlink 3.2s ease-in-out infinite;
}

.art-nodes circle:nth-child(2n) {
  animation-delay: -1.1s;
}

.art-bars rect {
  transform-box: fill-box;
  transform-origin: bottom;
  animation: barPulse 2.8s ease-in-out infinite;
}

.art-bars rect:nth-child(2) {
  animation-delay: -0.8s;
}

.art-bars rect:nth-child(3) {
  animation-delay: -1.6s;
}

.industry-body {
  position: relative;
  padding: 26px 28px 30px;
}

.industry-index {
  position: absolute;
  top: 28px;
  right: 28px;
  color: var(--muted-2);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.industry-body h3 {
  font-size: 1.24rem;
  font-weight: 700;
}

.industry-body p {
  margin: 10px 0 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}

.tag-row span {
  padding: 4px 10px;
  border: 1px solid #dbe6f8;
  border-radius: 999px;
  background: #f2f7ff;
  color: var(--blue-500);
  font-size: 10.5px;
  font-weight: 500;
}

/* ========== 行业模型积累 ========== */

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 48px;
}

.scene-card {
  position: relative;
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0d1a36;
  box-shadow: 0 2px 16px rgba(15, 40, 100, 0.1);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  cursor: pointer;
}

.scene-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(15, 40, 100, 0.22);
}

.scene-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

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

.scene-card figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px 26px;
  background: linear-gradient(180deg, rgba(5, 15, 40, 0.15) 0%, rgba(5, 15, 40, 0.78) 60%, rgba(5, 15, 40, 0.92) 100%);
  color: #fff;
  transition: background 0.4s var(--ease);
}

.scene-card:hover figcaption {
  background: linear-gradient(180deg, rgba(5, 15, 40, 0.05) 0%, rgba(5, 15, 40, 0.42) 60%, rgba(5, 15, 40, 0.65) 100%);
}

.scene-idx {
  position: absolute;
  top: 16px;
  right: 20px;
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.scene-card h4 {
  margin: 0 0 6px;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.35;
}

.scene-card p {
  margin: 0;
  color: rgba(220, 232, 252, 0.82);
  font-size: 12.5px;
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}

/* ========== QB-ECOS 平台 ========== */

.platform {
  overflow: hidden;
  padding: 120px 0;
}

.platform-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.platform-grid-lines {
  opacity: 0.75;
}

.platform-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.platform-orb-blue {
  top: -10%;
  left: 42%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.4), transparent 68%);
}

.platform-orb-red {
  right: -8%;
  bottom: -16%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(234, 77, 24, 0.18), transparent 68%);
}

.platform-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.platform-copy h2 {
  margin: 18px 0 20px;
  font-size: clamp(2.15rem, 3.8vw, 3.35rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.platform-desc {
  max-width: 480px;
  color: rgba(210, 226, 248, 0.6);
  font-size: 14.5px;
  line-height: 1.9;
}

.feature-list {
  margin: 32px 0 34px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 17px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.feature-list li > span {
  padding-top: 2px;
  color: var(--blue-300);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.feature-list strong {
  display: block;
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
}

.feature-list p {
  margin-top: 4px;
  color: rgba(200, 218, 242, 0.5);
  font-size: 12.5px;
  line-height: 1.7;
}

/* 控制台 */

.console {
  position: relative;
  width: 100%;
  perspective: 1400px;
}

.console-glow {
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 50%, rgba(30, 91, 214, 0.32), transparent 62%),
    radial-gradient(circle at 30% 80%, rgba(234, 77, 24, 0.14), transparent 56%);
  filter: blur(50px);
  pointer-events: none;
}

.console-window {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(120, 170, 255, 0.2);
  border-radius: 18px;
  background: rgba(3, 14, 34, 0.9);
  box-shadow: 0 44px 110px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transform: rotateY(-3.5deg) rotateX(1.2deg);
  transition: transform 0.7s var(--ease);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.console:hover .console-window {
  transform: rotateY(0deg) rotateX(0deg);
}

.console-window::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(77, 139, 255, 0.8), transparent);
  animation: consoleScan 6s linear infinite;
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.window-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-r {
  background: #ff5f57;
}

.dot-y {
  background: #febc2e;
}

.dot-g {
  background: #28c840;
}

.console-title {
  margin-left: 8px;
  color: rgba(210, 226, 248, 0.5);
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.console-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  color: rgba(120, 230, 170, 0.8);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.console-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #40d18a;
  box-shadow: 0 0 8px #40d18a;
  animation: statusBlink 1.8s ease-in-out infinite;
}

.console-body {
  display: grid;
  grid-template-columns: 58px 1fr;
}

.console-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.015);
}

.side-brand {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-bottom: 6px;
  border-radius: 7px;
  background: linear-gradient(140deg, var(--blue-500), var(--brand));
  color: #fff;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 800;
}

.side-item {
  width: 20px;
  height: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
}

.side-item.is-active {
  background: var(--blue-400);
  box-shadow: 0 0 10px rgba(77, 139, 255, 0.6);
}

.console-main {
  padding: 16px;
}

.console-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.kpi {
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.035);
}

.kpi span {
  display: block;
  color: rgba(190, 210, 240, 0.42);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.kpi strong {
  display: block;
  margin-top: 3px;
  color: #eaf2ff;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.console-chart {
  margin-top: 12px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: rgba(210, 226, 248, 0.55);
  font-size: 13.5px;
}

.chart-head em {
  color: #ff8a5c;
  font-family: var(--font-num);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.12em;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 104px;
  padding: 0 2px;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 100% 26px;
}

.bar {
  flex: 1;
  border-radius: 3px 3px 1px 1px;
  background: linear-gradient(180deg, #6ea4ff 0%, rgba(30, 91, 214, 0.5) 100%);
  transform: scaleY(0.04);
  transform-origin: bottom;
  transition: transform 0.9s var(--ease);
}

.bar-red {
  background: linear-gradient(180deg, #ff8a5c 0%, rgba(234, 77, 24, 0.5) 100%);
}

.bar-1 { height: 38%; transition-delay: 0.05s; }
.bar-2 { height: 62%; transition-delay: 0.12s; }
.bar-3 { height: 48%; transition-delay: 0.19s; }
.bar-4 { height: 76%; transition-delay: 0.26s; }
.bar-5 { height: 58%; transition-delay: 0.33s; }
.bar-6 { height: 88%; transition-delay: 0.4s; }
.bar-7 { height: 70%; transition-delay: 0.47s; }
.bar-8 { height: 52%; transition-delay: 0.54s; }

.console.is-in .bar {
  transform: scaleY(1);
}

.chart-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  color: rgba(190, 210, 240, 0.32);
  font-size: 12px;
}

.console-flow {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
}

.console-flow span {
  color: rgba(210, 226, 248, 0.55);
  font-size: 12.5px;
  white-space: nowrap;
}

.console-flow i {
  position: relative;
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(77, 139, 255, 0.12), rgba(77, 139, 255, 0.55), rgba(234, 77, 24, 0.3));
}

@media (prefers-reduced-motion: no-preference) {
  .console-flow i::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: radial-gradient(circle, #ffffff 0%, #8fcbff 55%, rgba(120, 190, 255, 0.4) 100%);
    box-shadow:
      0 0 8px rgba(120, 190, 255, 0.95),
      0 0 16px rgba(80, 150, 255, 0.55);
    transform: translate(-50%, -50%);
    opacity: 0;
    animation: flowDot 1.6s linear infinite;
  }
  .console-flow i:nth-of-type(2)::after { animation-delay: 0.4s; }
  .console-flow i:nth-of-type(3)::after { animation-delay: 0.8s; }
  .console-flow i:nth-of-type(4)::after { animation-delay: 1.2s; }

  .console-flow span:nth-of-type(1) { animation: flowStep 1.6s ease-in-out infinite; }
  .console-flow span:nth-of-type(2) { animation: flowStep 1.6s ease-in-out infinite 0.4s; }
  .console-flow span:nth-of-type(3) { animation: flowStep 1.6s ease-in-out infinite 0.8s; }
  .console-flow span:nth-of-type(4) { animation: flowStep 1.6s ease-in-out infinite 1.2s; }
  .console-flow span:nth-of-type(5) { animation: flowStep 1.6s ease-in-out infinite 1.6s; }
}

@keyframes flowDot {
  0%   { left: 0; opacity: 0; }
  12%  { opacity: 1; }
  86%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

@keyframes flowStep {
  0%        { color: rgba(210, 226, 248, 0.55); text-shadow: 0 0 0 rgba(120, 190, 255, 0); }
  18%       { color: #cfe4ff; text-shadow: 0 0 8px rgba(110, 180, 255, 0.6); }
  44%, 100% { color: rgba(210, 226, 248, 0.55); text-shadow: 0 0 0 rgba(120, 190, 255, 0); }
}

.console-log {
  margin-top: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1.9;
}

.console-log p {
  color: rgba(190, 210, 240, 0.42);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12.5px;
}

.console-log p span {
  margin-right: 7px;
  color: rgba(126, 176, 255, 0.8);
}

.cursor {
  display: inline-block;
  width: 5px;
  height: 9px;
  margin-left: 3px;
  vertical-align: -1px;
  background: var(--red-400);
  animation: cursorBlink 1s step-end infinite;
}

.floating-badge {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid rgba(120, 170, 255, 0.8);
  border-radius: 999px;
  background: rgba(0, 18, 46, 0.78);
  color: rgba(225, 236, 252);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
  animation: chipFloat 6s ease-in-out infinite;
}

.floating-badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red-400);
  box-shadow: 0 0 8px var(--red);
}

.badge-a {
  top: -50px;
  right: 20px;
}

.badge-b {
  bottom: 26px;
  left: -18px;
  animation-delay: -2.4s;
}

/* ---------- 价值通道 ---------- */

.value-path {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 48px;
  padding: 22px 28px;
  border: 1px solid rgba(120, 170, 255, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(3, 14, 34, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.path-label {
  color: rgba(170, 200, 245, 0.72);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
  white-space: nowrap;
}

.path-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  flex: 1;
}

.path-flow span {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(225, 236, 252, 0.88);
  font-size: 16px;
  font-weight: 500;
}

.path-flow em {
  color: rgba(120, 170, 255, 0.7);
  font-family: var(--font-num);
  font-size: 14px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.path-flow i {
  position: relative;
  width: 62px;
  height: 2px;
  background: linear-gradient(90deg, rgba(120, 170, 255, 0.4), rgba(120, 170, 255, 0.08));
}

@media (prefers-reduced-motion: no-preference) {
  .path-flow i::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: radial-gradient(circle, #ffffff 0%, #8fcbff 55%, rgba(120, 190, 255, 0.4) 100%);
    box-shadow:
      0 0 8px rgba(120, 190, 255, 0.95),
      0 0 16px rgba(80, 150, 255, 0.55);
    opacity: 0;
    transform: translate(0, -50%);
    animation: pathDot 1.6s linear infinite;
  }

  .path-flow i:nth-of-type(2)::after { animation-delay: 0.4s; }
  .path-flow i:nth-of-type(3)::after { animation-delay: 0.8s; }
  .path-flow i:nth-of-type(4)::after { animation-delay: 1.2s; }

  .path-flow span:nth-of-type(1) em { animation: emPulse 1.6s ease-in-out infinite; }
  .path-flow span:nth-of-type(2) em { animation: emPulse 1.6s ease-in-out infinite 0.4s; }
  .path-flow span:nth-of-type(3) em { animation: emPulse 1.6s ease-in-out infinite 0.8s; }
  .path-flow span:nth-of-type(4) em { animation: emPulse 1.6s ease-in-out infinite 1.2s; }
  .path-flow span:nth-of-type(5) em { animation: emPulse 1.6s ease-in-out infinite 1.6s; }
}

@keyframes pathDot {
  0%   { transform: translate(0, -50%); opacity: 0; }
  12%  { opacity: 1; }
  86%  { opacity: 1; }
  100% { transform: translate(57px, -50%); opacity: 0; }
}

@keyframes emPulse {
  0%        { color: rgba(120, 170, 255, 0.7); text-shadow: 0 0 0 rgba(120, 190, 255, 0); }
  18%       { color: #a6d4ff; text-shadow: 0 0 9px rgba(110, 180, 255, 0.6); }
  44%, 100% { color: rgba(120, 170, 255, 0.7); text-shadow: 0 0 0 rgba(120, 190, 255, 0); }
}

/* ========== OPC 生态 ========== */

.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.orbit-visual {
  position: relative;
  width: 100%;
  max-width: 620px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1.5px dashed rgba(30, 91, 214, 0.38);
  border-radius: 50%;
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.orbit-1 {
  width: 100%;
  height: 100%;
  animation: spin 54s linear infinite;
}

.orbit-2 {
  width: 73%;
  height: 73%;
  animation: spinReverse 44s linear infinite;
}

.orbit-3 {
  width: 47%;
  height: 47%;
  animation: spin 34s linear infinite;
}

.orbit-ring::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffffff 0%, var(--blue-400) 55%, rgba(77, 139, 255, 0.45) 100%);
  box-shadow:
    0 0 10px var(--blue-400),
    0 0 22px rgba(77, 139, 255, 0.5);
  animation: orbitDotSpin 6s linear infinite;
}

@keyframes orbitDotSpin {
  from { transform: translateX(-50%) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg); }
}

.orbit-ring.is-active {
  border-color: rgba(30, 91, 214, 0.6);
  box-shadow: 0 0 36px rgba(30, 91, 214, 0.15), inset 0 0 36px rgba(30, 91, 214, 0.05);
}

.orbit-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54%;
  height: 54%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.14), transparent 68%);
  transform: translate(-50%, -50%);
  animation: glowPulse 4.5s ease-in-out infinite;
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 31%;
  min-width: 172px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 22px 56px rgba(0, 26, 69, 0.14);
  transform: translate(-50%, -50%);
}

.orbit-core img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.orbit-core strong {
  margin-top: 4px;
  color: var(--brand);
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.orbit-core span {
  color: var(--muted-2);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.orbit-node {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 12px 30px rgba(0, 26, 69, 0.1);
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease),
    color 0.4s var(--ease), transform 0.4s var(--ease);
}

.orbit-node i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
}

.orbit-node.is-active {
  border-color: rgba(30, 91, 214, 0.4);
  color: var(--brand);
  box-shadow: 0 16px 38px rgba(30, 91, 214, 0.18);
  transform: translateY(-2px);
}

.orbit-node.is-active i {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.node-1 {
  top: 1%;
  left: 50%;
  transform: translateX(-50%);
}

.node-2 {
  top: 50%;
  right: -1%;
  transform: translateY(-50%);
}

.node-3 {
  bottom: 4%;
  left: 11%;
}

.orbit-node.node-1.is-active,
.orbit-node.node-2.is-active {
  transform: translate(-50%, -2px);
}

.orbit-node.node-2.is-active {
  transform: translate(0, -50%);
}

.opc-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.opc-item {
  display: grid;
  grid-template-columns: 46px 1fr 22px;
  gap: 16px;
  align-items: start;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  cursor: pointer;
  outline: none;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.opc-item:hover,
.opc-item:focus-visible,
.opc-item.is-active {
  transform: translateX(7px);
  border-color: rgba(30, 91, 214, 0.26);
  box-shadow: 0 18px 44px rgba(0, 26, 69, 0.1);
}

.opc-num {
  padding-top: 3px;
  color: var(--muted-2);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.opc-body h3 {
  font-size: 1.06rem;
  font-weight: 700;
}

.opc-body p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.opc-item > svg {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--muted-2);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.opc-item:hover > svg,
.opc-item.is-active > svg {
  color: var(--red);
  transform: translateX(3px);
}

/* ---------- 生态能力 ---------- */

.eco-cap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.eco-cap article {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.eco-cap span {
  flex-shrink: 0;
  color: var(--brand);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.eco-cap p {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.7;
}

/* ========== 荣誉与资质 · 聚焦型轮播 ========== */

.honor-wrap {
  position: relative;
  margin-top: 52px;
  padding: 0;
  perspective: 1400px;
  perspective-origin: 50% 50%;
}

.honor-track {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
}

.honor-list {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 350px;
}

.honor-card {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  width: 47%;
  max-width: 600px;
  height: 94%;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 14px rgba(15, 40, 100, 0.1);
  transform-origin: center center;
  transition: transform 0.6s var(--ease), opacity 0.5s var(--ease),
    filter 0.5s var(--ease), box-shadow 0.5s var(--ease), z-index 0s;
  will-change: transform, opacity, filter;
}

.honor-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f5f7fb;
  box-sizing: border-box;
}

.honor-card figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 11px 18px;
  border-radius: 10px;
  background: rgba(7, 19, 48, 0.82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
}

.honor-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
}

/* —— 聚焦层级 —— */

.honor-card.is-active {
  z-index: 10;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotateY(0deg);
  filter: none;
  box-shadow: 0 18px 48px rgba(15, 40, 100, 0.28);
  pointer-events: auto;
}

.honor-card.is-prev {
  z-index: 5;
  opacity: 0.6;
  transform: translate(calc(-50% - 50%), -50%) scale(0.76) rotateY(14deg);
  filter: blur(0.5px) brightness(0.85);
  pointer-events: auto;
  cursor: pointer;
}

.honor-card.is-next {
  z-index: 5;
  opacity: 0.6;
  transform: translate(calc(-50% + 50%), -50%) scale(0.76) rotateY(-14deg);
  filter: blur(0.5px) brightness(0.85);
  pointer-events: auto;
  cursor: pointer;
}

.honor-card.is-far-left {
  z-index: 3;
  opacity: 0.3;
  transform: translate(calc(-50% - 78%), -50%) scale(0.54);
  filter: brightness(0.7);
  pointer-events: none;
}

.honor-card.is-far-right {
  z-index: 3;
  opacity: 0.3;
  transform: translate(calc(-50% + 78%), -50%) scale(0.54);
  filter: brightness(0.7);
  pointer-events: none;
}

.honor-card.is-far {
  z-index: 1;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.45);
  pointer-events: none;
}

.honor-btn {
  position: absolute;
  top: 50%;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 12px rgba(15, 40, 100, 0.2);
  color: var(--text-dark);
  cursor: pointer;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  z-index: 5;
}

.honor-btn:hover {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 18px rgba(30, 91, 214, 0.35);
}

.honor-btn svg {
  width: 18px;
  height: 18px;
}

.honor-prev { left: 0; }
.honor-next { right: 0; }

.honor-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.honor-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(30, 91, 214, 0.24);
  cursor: pointer;
  transition: width 0.3s var(--ease), background 0.3s var(--ease);
}

.honor-dot.is-active {
  width: 26px;
  border-radius: 4px;
  background: var(--brand);
}

/* ========== 软件著作权 · marquee ========== */

.section-dark#copyrights {
  padding-top: 104px;
  padding-bottom: 112px;
}

.section-dark#copyrights .sec-head h2 { color: #e6f0ff; }
.section-dark#copyrights .sec-head h2 em {
  font-style: normal;
  color: #ff6a3d;
  font-family: var(--font-num);
}

.section-dark#copyrights .sec-desc { color: rgba(200, 220, 245, 0.76); }
.section-dark#copyrights .sec-desc strong { color: #c6dbff; font-weight: 600; }

.marquee-wrap {
  position: relative;
  margin-top: 52px;
  padding: 6px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  align-items: center;
  height: 152px;
  overflow: hidden;
}

.marquee-row {
  display: flex;
  flex-shrink: 0;
  gap: 18px;
  width: max-content;
  will-change: transform;
}

.marquee-item {
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 10px rgba(0, 10, 30, 0.35);
  cursor: zoom-in;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.marquee-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 10, 30, 0.55);
}

.marquee-item img {
  display: block;
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: center;
  background: #0a1838;
}

.marquee-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  pointer-events: none;
  z-index: 3;
}

.marquee-fade-l {
  left: 0;
  background: linear-gradient(90deg, #03102a 0%, rgba(3, 16, 42, 0) 100%);
}

.marquee-fade-r {
  right: 0;
  background: linear-gradient(270deg, #03102a 0%, rgba(3, 16, 42, 0) 100%);
}

/* ---------- 证书大图预览（公共） ---------- */

.cert-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(5, 12, 28, 0.94);
  opacity: 0;
  transition: opacity 0.22s ease;
  cursor: zoom-out;
  padding: 6vh 20px;
}

.cert-overlay.is-open { opacity: 1; }

.cert-overlay-inner {
  position: relative;
  max-width: min(60vw, 520px);
  max-height: 72vh;
}

.cert-overlay-inner img {
  display: block;
  max-width: 100%;
  max-height: 72vh;
  border-radius: 6px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
}

.cert-overlay-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.18s;
}

.cert-overlay-close:hover { background: rgba(255, 255, 255, 0.24); }

.cert-info {
  margin-top: 18px;
  text-align: center;
  color: rgba(230, 240, 255, 0.85);
  font-size: 13px;
  line-height: 1.5;
}

.cert-info small {
  display: block;
  margin-top: 4px;
  color: rgba(170, 200, 245, 0.6);
  font-size: 11px;
  font-family: var(--font-num);
  letter-spacing: 0.12em;
}

/* ========== 集团架构 ========== */

.group-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 24px;
}

.group-stat {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 38px 36px;
  overflow: hidden;
  border: 1px solid rgba(120, 170, 255, 0.16);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, #00225c 0%, #00122e 62%, #1d1109 100%);
  color: #fff;
}

.group-stat::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.34), transparent 68%);
  filter: blur(20px);
}

.group-tag {
  position: relative;
  z-index: 1;
  color: rgba(190, 210, 240, 0.42);
  font-family: var(--font-num);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.group-big {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 18px;
  font-family: var(--font-num);
  font-size: clamp(3.4rem, 5.6vw, 4.9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(130deg, #ffffff 10%, #9cc4ff 62%, #ff8a5c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.group-big em {
  font-family: var(--font-sans);
  font-size: 12px;
  font-style: normal;
  font-weight: 500;
  -webkit-text-fill-color: rgba(210, 226, 248, 0.5);
}

.group-stat p {
  position: relative;
  z-index: 1;
  margin-top: 6px;
  color: rgba(210, 226, 248, 0.55);
  font-size: 12.5px;
}

.group-divider {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 1px;
  margin: 20px 0 2px;
  background: rgba(255, 255, 255, 0.1);
}

.subs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.sub-card {
  position: relative;
  padding: 26px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.sub-card:hover {
  transform: translateY(-5px);
  border-color: rgba(30, 91, 214, 0.24);
  box-shadow: var(--shadow-hover);
}

.sub-index {
  display: block;
  margin-bottom: 22px;
  color: var(--muted-2);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.sub-card h3 {
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
}

.sub-card p {
  margin-top: 10px;
  color: var(--blue-500);
  font-size: 11.5px;
  font-weight: 500;
}

.sub-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sub-card-head h3 {
  flex: 1;
}

.sub-card-qr {
  flex: 0 0 auto;
}

.sub-card-qr img {
  display: block;
  width: 100px;
  height: 100px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.sub-card-qr img:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.strategic {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  align-items: start;
  margin-top: 20px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.strategic h3 {
  font-size: 13px;
  font-weight: 700;
}

.strategic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.strategic-tags span {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-2);
  font-size: 10.5px;
}

.strategic p {
  grid-column: 2;
  color: var(--muted-2);
  font-size: 10.5px;
}

/* ========== 产教融合 / 公益 ========== */

.resp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.resp-card {
  position: relative;
  padding: 40px 38px 44px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: #fff;
}

.resp-card-blue {
  background: linear-gradient(152deg, #00225c 0%, #00122e 68%);
}

.resp-card-red {
  background: linear-gradient(152deg, #3a1609 0%, #00122e 72%);
  border-color: rgba(234, 77, 24, 0.2);
}

.resp-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.3), transparent 68%);
  filter: blur(20px);
}

.resp-card-red::before {
  background: radial-gradient(circle, rgba(234, 77, 24, 0.24), transparent 68%);
}

.resp-tag {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  color: rgba(225, 235, 250, 0.66);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.resp-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 8px var(--blue-400);
}

.resp-card-red .resp-tag::before {
  background: var(--red-400);
  box-shadow: 0 0 8px var(--red);
}

.resp-card h3 {
  position: relative;
  z-index: 1;
  margin: 22px 0 16px;
  font-size: clamp(1.4rem, 2.1vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
}

.resp-card p {
  position: relative;
  z-index: 1;
  color: rgba(210, 226, 248, 0.6);
  font-size: 13.5px;
  line-height: 1.85;
}

.resp-card ul {
  position: relative;
  z-index: 1;
  margin-top: 20px;
}

.resp-card li {
  position: relative;
  padding: 6px 0 6px 16px;
  color: rgba(225, 235, 250, 0.58);
  font-size: 12.5px;
  line-height: 1.7;
}

.resp-card li::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-400);
}

.resp-card-red li::before {
  background: var(--red-400);
}

.resp-watermark {
  position: absolute;
  right: 14px;
  bottom: -44px;
  color: rgba(255, 255, 255, 0.035);
  font-size: 10rem;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

/* ========== 联系 CTA ========== */

.contact {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
  background: var(--blue-900);
  color: #fff;
  text-align: center;
}

.contact::before,
.contact::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(120, 170, 255, 0.08);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.contact::before {
  width: 860px;
  height: 860px;
}

.contact::after {
  width: 620px;
  height: 620px;
}

.contact-bg {
  position: absolute;
  inset: 0;
}

.contact-grid {
  opacity: 0.7;
}

.contact-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.contact-orb-blue {
  top: -20%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(30, 91, 214, 0.4), transparent 68%);
}

.contact-orb-red {
  right: 6%;
  bottom: -24%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(234, 77, 24, 0.18), transparent 68%);
}

.contact-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}

.contact-inner h2 {
  margin: 20px 0 18px;
  font-size: clamp(2.3rem, 4.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.contact-inner > p {
  max-width: 600px;
  margin: 0 auto;
  color: rgba(210, 226, 248, 0.58);
  font-size: 14.5px;
  line-height: 1.85;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.contact-meta {
  margin-top: 28px !important;
  color: rgba(190, 210, 240, 0.36) !important;
  font-family: var(--font-num);
  font-size: 10.5px !important;
  letter-spacing: 0.08em;
}

/* ========== 页脚 ========== */

.site-footer {
  padding: 72px 0 28px;
  background: var(--blue-950);
  color: rgba(210, 226, 248, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr 0.85fr 1.6fr 0.95fr;
  gap: 40px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  max-width: 330px;
  font-size: 12.5px;
  line-height: 1.85;
}

.footer-col h4 {
  margin-bottom: 16px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.footer-col a,
.footer-col span {
  display: block;
  padding: 5px 0;
  color: rgba(210, 226, 248, 0.7);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-contact li {
  display: flex;
  gap: 9px;
  padding: 5px 0;
  font-size: 12.5px;
  line-height: 1.7;
  align-items: center;
}
.footer-contact li:first-child  svg{
  margin-top: -20px;
}
.footer-contact svg {
  color:rgba(210, 226, 248, 0.7);
  flex: none;
  width: 20px;
  height: 20px;
  /* margin-top: 10px; */
}
/* .footer-contact a,
.footer-contact span {
  color: rgba(210, 226, 248, 0.46);
  text-decoration: none;
  transition: color 0.25s var(--ease);
} */

.footer-contact a:hover {
  color: #fff;
}

.footer-qr {
  display: flex;
  gap: 12px;
}

.footer-qr figure {
  margin: 0;
}

.footer-qr img {
  display: block;
  width: 96px;
  height: 96px;
  padding: 4px;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.footer-qr img:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.footer-qr figcaption {
  margin-top: 7px;
  font-size: 11px;
  text-align: center;
  color: rgba(210, 226, 248, 0.46);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 14px;
  padding-top: 22px;
  text-align: center;
}

.footer-bottom p {
  font-size: 11px;
  letter-spacing: 0.02em;
}

.footer-icp {
  font-size: 11px;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-icp:hover {
  color: rgba(255, 255, 255, 0.85);
}

/* ========== 返回顶部 ========== */

.back-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--brand);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  box-shadow: 0 12px 30px rgba(0, 26, 69, 0.16);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
    visibility 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.back-top svg {
  width: 18px;
  height: 18px;
}

/* ========== 滚动显现 ========== */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 动画关键帧 ========== */

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spinReverse {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes orbFloat {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-24px, 20px, 0) scale(1.06); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(0.94); }
  50% { opacity: 0.95; transform: translate(-50%, -50%) scale(1.06); }
}

@keyframes hexFloat {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 12px)); }
}

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes pulseRing {
  0% { transform: scale(0.7); opacity: 0.9; }
  80%, 100% { transform: scale(1.8); opacity: 0; }
}

@keyframes scrollLine {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(44px); opacity: 0; }
}

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

@keyframes dashMove {
  to { stroke-dashoffset: -66; }
}

@keyframes nodeBlink {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@keyframes barPulse {
  0%, 100% { transform: scaleY(0.72); opacity: 0.55; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes consoleScan {
  0% { left: -60%; }
  100% { left: 110%; }
}

@keyframes statusBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ========== 响应式 ========== */

@media (max-width: 1200px) {
  .container {
    padding: 0 28px;
  }

  .nav-shell {
    padding: 0 28px;
  }

  .nav-links a {
    padding: 9px 11px;
    font-size: 13.5px;
  }

  .hero-inner {
    gap: 20px;
  }

  .product-card {
    padding: 28px 24px;
  }

  .platform-grid {
    gap: 44px;
  }
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 150px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    justify-content: center;
  }

  .core-stage {
    width: min(100%, 480px);
  }

  .product-grid,
  .industry-grid,
  .qual-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card-featured {
    grid-column: auto;
  }

  .platform-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .platform-copy {
    max-width: 680px;
  }

  .console {
    max-width: 720px;
  }

  .ecosystem-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .orbit-visual {
    max-width: 460px;
  }

  .opc-list {
    max-width: 720px;
    margin: 0 auto;
  }

  .group-grid {
    grid-template-columns: 1fr;
  }

  .group-stat {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 22px;
    align-items: center;
  }

  .group-tag {
    grid-column: 1 / -1;
  }

  .group-big {
    margin-top: 6px;
  }

  .group-stat p {
    margin-top: 0;
  }

  .group-divider {
    grid-column: 1 / -1;
    margin: 16px 0;
  }

  .resp-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-col-contact {
    grid-column: 1 / 3;
  }

  .footer-col-qr {
    grid-column: 3 / 4;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 92px 0;
  }

  .sec-head {
    grid-template-columns: 1fr;
    gap: 18px;
    align-items: start;
    margin-bottom: 40px;
  }

  .sec-head-desc {
    max-width: 620px;
    padding-bottom: 0;
  }

  .product-grid,
  .industry-grid,
  .qual-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin: 0 auto;
  }

  .industry-visual {
    height: 250px;
  }

  .qual-card h3 {
    font-size: 1.2rem;
  }

  .subs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact {
    padding: 110px 0;
  }

  .honor-wrap {
    padding: 0;
  }

  .honor-list {
    height: 320px;
  }

  .honor-card.is-prev {
    transform: translate(calc(-50% - 50%), -50%) scale(0.72) rotateY(14deg);
  }

  .honor-card.is-next {
    transform: translate(calc(-50% + 50%), -50%) scale(0.72) rotateY(-14deg);
  }

  .marquee-item img {
    width: 120px;
    height: 120px;
  }

  .marquee-track { height: 132px; }
}

@media (max-width: 768px) {
  :root {
    --header-h: 70px;
  }

  .container,
  .nav-shell {
    padding: 0 20px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .brand-text strong {
    font-size: 14px;
  }

  .brand-text em {
    font-size: 7.5px;
  }

  .btn-nav {
    display: none;
  }

  .hero {
    padding-top: calc(var(--header-h) + 54px);
    padding-bottom: 120px;
  }

  .hero-title {
    font-size: clamp(2.55rem, 10.5vw, 3.4rem);
    margin: 20px 0;
  }

  .hero-sub {
    font-size: 14px;
  }

  .hero-meta {
    gap: 24px;
  }

  .core-stage {
    width: min(100%, 380px);
  }

  .section {
    padding: 76px 0;
  }

  .sec-head h2 {
    font-size: clamp(1.8rem, 7vw, 2.3rem);
  }

  .console-window {
    transform: none;
  }

  .console-body {
    grid-template-columns: 48px 1fr;
  }

  .console-main {
    padding: 12px;
  }

  .console-kpis {
    gap: 6px;
  }

  .kpi {
    padding: 9px 8px;
  }

  .kpi strong {
    font-size: 12px;
  }

  .floating-badge {
    display: none;
  }

  .orbit-visual {
    max-width: 380px;
  }

  .orbit-core {
    min-width: 122px;
  }

  .orbit-core img {
    width: 38px;
    height: 38px;
  }

  .orbit-core strong {
    font-size: 11px;
  }

  .orbit-node {
    padding: 6px 10px;
    font-size: 10px;
  }

  .opc-item {
    padding: 20px;
    grid-template-columns: 34px 1fr 18px;
    gap: 12px;
  }

  .opc-item:hover,
  .opc-item:focus-visible,
  .opc-item.is-active {
    transform: none;
  }

  .group-stat {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
  }

  .group-big {
    margin-top: 16px;
  }

  .group-divider {
    width: 100%;
  }

  .subs-grid {
    grid-template-columns: 1fr;
  }

  .strategic {
    grid-template-columns: 1fr;
  }

  .strategic p {
    grid-column: 1;
  }

  .resp-card {
    padding: 30px 26px 34px;
  }

  .resp-watermark {
    font-size: 7rem;
  }

  .contact-inner h2 {
    font-size: clamp(2.05rem, 8vw, 2.7rem);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col-contact,
  .footer-col-qr {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .back-top {
    right: 18px;
    bottom: 18px;
    width: 40px;
    height: 40px;
  }

  .value-path {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 36px;
  }

  .scene-card figcaption {
    padding: 18px 22px;
  }

  .scene-card h4 {
    font-size: 1rem;
  }

  .scene-card p {
    font-size: 11.5px;
  }
}

@media (max-width: 560px) {
  .container,
  .nav-shell {
    padding: 0 18px;
  }

  .hero {
    padding-bottom: 104px;
  }

  .hero-title {
    font-size: clamp(2.35rem, 12vw, 2.9rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .hero-meta strong {
    font-size: 12.5px;
  }

  .hero-meta span {
    font-size: 9.5px;
  }

  .core-stage {
    width: min(100%, 320px);
  }

  .orbit-chip {
    font-size: 9.5px;
    padding: 6px 9px;
  }

  .chip-ind,
  .chip-edu,
  .chip-vert {
    display: none;
  }

  .chip-qa {
    top: 5%;
    left: -4%;
  }

  .chip-qb {
    top: 24%;
    right: -5%;
  }

  .chip-qc {
    bottom: 16%;
    left: -4%;
  }

  .section {
    padding: 64px 0;
  }

  .sec-head {
    margin-bottom: 32px;
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .product-card,
  .industry-body,
  .qual-card {
    padding-left: 22px;
    padding-right: 22px;
  }

  .product-code {
    font-size: 4.2rem;
  }

  .industry-visual {
    height: 210px;
  }

  .industry-body {
    padding-top: 22px;
  }

  .industry-index {
    top: 24px;
    right: 22px;
  }

  .platform {
    padding: 80px 0;
  }

  .feature-list li {
    grid-template-columns: 30px 1fr;
    gap: 10px;
  }

  .console-body {
    display: block;
  }

  .console-side {
    display: none;
  }

  .console-kpis {
    grid-template-columns: repeat(3, 1fr);
  }

  .console-title {
    font-size: 12px;
  }

  .console-status {
    display: none;
  }

  .console-log {
    font-size: 8px;
  }

  .orbit-visual {
    max-width: 300px;
  }

  .orbit-core {
    min-width: 104px;
  }

  .orbit-core img {
    width: 32px;
    height: 32px;
  }

  .orbit-core strong {
    font-size: 10px;
  }

  .orbit-core span {
    font-size: 8px;
  }

  .orbit-node {
    font-size: 9px;
    padding: 5px 8px;
  }

  .node-1 {
    top: -1%;
  }

  .node-2 {
    right: -2%;
  }

  .node-3 {
    bottom: 1%;
    left: 4%;
  }

  .resp-card {
    padding: 26px 22px 30px;
  }

  .contact {
    padding: 90px 0;
  }

  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-actions .btn {
    width: 100%;
  }

  .contact-meta {
    line-height: 1.8;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand,
  .footer-col-contact,
  .footer-col-qr {
    grid-column: auto;
  }

  .eco-cap {
    grid-template-columns: 1fr;
  }

  .path-flow i {
    display: none;
  }

  .honor-wrap {
    padding: 0 12px;
  }

  .honor-list {
    height: 240px;
  }

  .honor-btn {
    width: 30px;
    height: 30px;
  }

  .honor-btn svg {
    width: 15px;
    height: 15px;
  }

  .honor-card img {
    padding: 14px;
  }

  .honor-card figcaption {
    padding: 10px 14px;
  }

  .honor-title {
    font-size: 14px;
  }

  .marquee-item img {
    width: 100px;
    height: 100px;
  }

  .marquee-track { height: 112px; }
}

/* ========== 降低动效偏好 ========== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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

  .bar {
    transform: scaleY(1);
  }
}
