/* 灵谱华章企业官网 — 静态样式 */
:root {
  --bg-deep: #070a12;
  --bg-elevated: #0f1424;
  --bg-card: #141b2e;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e9edf5;
  --text-muted: #94a0b8;
  --accent: #c6a24a;
  --accent-soft: rgba(198, 162, 74, 0.15);
  --purple: #6b5fc7;
  --purple-deep: #4a3f9e;
  --glow: rgba(107, 95, 199, 0.35);
  --radius: 14px;
  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1180px;
  --header-h: 72px;
  --pad-x: clamp(1rem, 4vw, 1.5rem);
  --section-y: clamp(2.75rem, 8vw, 4.5rem);
  --bp-nav: 960px;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--purple-deep);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  left: var(--pad-x);
  top: 0.75rem;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.65rem var(--pad-x) 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin: 0 0.45rem;
  opacity: 0.45;
  pointer-events: none;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

html {
  scroll-behavior: smooth;
  /* 横向在根节点裁剪；clip 优先，旧浏览器回退 hidden */
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  overflow-x: clip;
  max-width: 100%;
}

/* Canvas 粒子层：在背景之上、正文之下 */
#fx-particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: block;
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

/* —— 全局氛围：流动光晕 + 漂移网格 —— */
html.fx-motion-on body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 20% 30%, rgba(107, 95, 199, 0.28), transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 20%, rgba(198, 162, 74, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 50% at 60% 85%, rgba(74, 63, 158, 0.2), transparent 55%),
    var(--bg-deep);
  animation: fx-aurora 18s ease-in-out infinite alternate;
}

html.fx-motion-on body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 15%, #000 0%, transparent 72%);
  opacity: 0.55;
  animation: fx-grid-drift 28s linear infinite;
}

@keyframes fx-aurora {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  100% {
    transform: translate(2%, -1%) scale(1.06) rotate(2deg);
  }
}

@keyframes fx-grid-drift {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-56px, -56px);
  }
}

/* 滚动入场（由 effects.js 添加 .fx-enter，进入视区后 .fx-in） */
html.fx-motion-on .fx-enter {
  opacity: 0;
  transform: translateY(36px) scale(0.985);
  filter: blur(6px);
  transition:
    opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--fx-delay, 0s);
}

html.fx-motion-on .fx-enter.fx-in {
  opacity: 1;
  transform: none;
  filter: none;
}

@media (prefers-reduced-motion: reduce) {
  #fx-particles-canvas {
    display: none !important;
  }

  html.fx-motion-on body::before,
  html.fx-motion-on body::after {
    animation: none !important;
  }

  html.fx-motion-on .fx-enter {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 10, 18, 0.88);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  isolation: isolate;
}

html.fx-motion-on .site-header {
  border-bottom-color: transparent;
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.94), rgba(7, 10, 18, 0.82));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

html.fx-motion-on .site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(107, 95, 199, 0.45) 20%,
    rgba(198, 162, 74, 0.55) 50%,
    rgba(107, 95, 199, 0.45) 80%,
    transparent
  );
  background-size: 200% 100%;
  animation: fx-header-scan 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes fx-header-scan {
  0%,
  100% {
    background-position: 0% 50%;
    opacity: 0.65;
  }
  50% {
    background-position: 100% 50%;
    opacity: 1;
  }
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  min-height: var(--header-h);
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  flex-wrap: nowrap;
  position: relative;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand.brand-with-logo {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand.brand-with-logo:hover {
  text-decoration: none;
}

.brand-logo {
  height: 42px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

@media (max-width: 520px) {
  .brand-logo {
    height: 36px;
    max-width: 88px;
  }

  .brand-sub {
    letter-spacing: 0.06em;
    font-size: 0.62rem;
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.brand-name:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-main {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  align-items: center;
}

.nav-main a {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* —— 移动端导航（抽屉）—— */
.site-nav-cb {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.site-nav-burger,
.site-nav-scrim {
  display: none;
}

@media (max-width: 959px) {
  .site-nav-burger {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    margin-left: auto;
    cursor: pointer;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease, border-color 0.2s ease;
    position: relative;
    z-index: 52;
  }

  .site-nav-burger:hover {
    border-color: rgba(198, 162, 74, 0.35);
    background: rgba(107, 95, 199, 0.12);
  }

  .burger-line {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background: var(--text);
    transition: transform 0.28s ease, opacity 0.2s ease;
  }

  .site-nav-cb:checked ~ .site-nav-burger .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-nav-cb:checked ~ .site-nav-burger .burger-line:nth-child(2) {
    opacity: 0;
  }

  .site-nav-cb:checked ~ .site-nav-burger .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(5, 8, 15, 0.55);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    cursor: pointer;
  }

  .site-nav-cb:checked ~ .site-nav-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-main {
    position: fixed;
    z-index: 51;
    top: 0;
    right: 0;
    width: min(20rem, 88vw);
    height: 100dvh;
    max-height: 100vh;
    margin: 0;
    padding: calc(var(--header-h) + 0.75rem) 1.25rem 1.5rem;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
    background: linear-gradient(180deg, #0c101c 0%, #070a12 40%, #05070d 100%);
    border-left: 1px solid var(--border);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.45);
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .site-nav-cb:checked ~ .nav-main {
    transform: translateX(0);
  }

  .nav-main a {
    display: block;
    padding: 0.95rem 0;
    font-size: 1.02rem;
    border-bottom: 1px solid var(--border);
    box-shadow: inset 3px 0 0 transparent;
    transition: color 0.2s ease, box-shadow 0.2s ease;
  }

  .nav-main a:last-child {
    border-bottom: none;
  }

  html.fx-motion-on .nav-main a::after {
    display: none;
  }

  html.fx-motion-on .nav-main a:hover,
  html.fx-motion-on .nav-main a.active {
    border-bottom-color: var(--border);
    text-shadow: none;
    color: var(--text);
    box-shadow: inset 3px 0 0 var(--accent);
  }

  .nav-main a.active {
    color: var(--accent);
  }

  .brand.brand-with-logo {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 52;
  }

  html:has(.site-nav-cb:checked) {
    overflow: hidden;
  }
}

@media (min-width: 960px) {
  .site-nav-burger,
  .site-nav-scrim {
    display: none !important;
  }

  .nav-main {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    box-shadow: none;
    transform: none !important;
    overflow: visible;
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* 主内容区：横向溢出由 html/body 处理，勿对 main 使用 overflow-x:hidden（易触发双纵向滚动条） */

.section {
  padding: var(--section-y) var(--pad-x);
}

.section-tight {
  padding-top: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
  text-align: center;
}

.section-lead {
  text-align: center;
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 auto 2.75rem;
  font-size: 1.05rem;
}

/* 首页英雄区 */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  padding: 3rem 1.5rem 4rem;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, var(--glow), transparent),
    linear-gradient(180deg, #0a0e18 0%, var(--bg-deep) 100%);
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
  }
}

.hero-copy h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.35;
  margin: 0 0 1rem;
}

.hero-copy .tagline {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1.75rem;
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-deep) 100%);
  color: #fff;
  box-shadow: 0 8px 28px var(--glow);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 12px 36px var(--glow);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-visual {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

@media (max-width: 899px) {
  .hero-visual img {
    aspect-ratio: 16 / 10;
  }
}

/* 卡片网格 */
.card-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .card-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: rgba(198, 162, 74, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

/* 首页核心产品卡片：品牌 Logo 展示（替代符号占位） */
.card-product-logo {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  padding: 10px;
  margin-bottom: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.07) 0%, rgba(107, 95, 199, 0.14) 45%, rgba(20, 27, 46, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 10px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.card-product-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}

.card--product h3 {
  font-size: 1.22rem;
  letter-spacing: 0.06em;
}

/* 产品分栏 */
.split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.split:last-child {
  margin-bottom: 0;
}

@media (min-width: 880px) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
  .split.reverse .split-visual {
    order: -1;
  }
}

.split-visual {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.split-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-body h2 {
  font-size: 1.55rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.05em;
}

.product-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.product-mark {
  width: 72px;
  height: 72px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 6px;
}

.product-head-text {
  min-width: 0;
}

.product-head-text h2 {
  margin: 0.35rem 0 0;
}

.product-badge {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 0;
}

.split-body .product-head + p {
  margin-top: 0;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.product-card-links {
  font-size: 0.95rem;
}

.product-card-links .link-sep {
  margin: 0 0.4rem;
  color: var(--text-muted);
  user-select: none;
}

/* 资质证书展示 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.cert-card {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
  border-color: rgba(198, 162, 74, 0.3);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.cert-card a {
  display: block;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

.cert-card a:hover {
  text-decoration: none;
}

.cert-card img {
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
  margin: 0 auto;
}

.cert-card figcaption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.45;
  border-top: 1px solid var(--border);
}

.split-body p {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.bullet-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-muted);
}

.bullet-list li {
  margin-bottom: 0.5rem;
}

/* 优势条 */
.advantage-bar {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* 关于页 */
.prose-block {
  max-width: 46rem;
  margin: 0 auto;
}

.prose-block p {
  color: var(--text-muted);
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
}

.prose-block p:last-child {
  margin-bottom: 0;
}

.value-cards {
  margin-top: 3rem;
}

/* 解决方案时间线式 */
.solution-item {
  display: grid;
  gap: 1rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.solution-item:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .solution-item {
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    align-items: start;
  }
}

.solution-item h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.solution-item p {
  margin: 0;
  color: var(--text-muted);
}

/* 联系页：客服信息条（电话 / 邮箱 / 营业时间） */
.contact-channels-title {
  margin-bottom: 0.5rem;
}

.contact-channels-lead {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.75rem;
}

.contact-channels {
  list-style: none;
  margin: 0 auto 2.75rem;
  padding: 0;
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

a.contact-channel:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
}

.contact-channel--phone {
  background: linear-gradient(135deg, rgba(100, 175, 255, 0.16), rgba(40, 90, 180, 0.07));
  border-color: rgba(120, 185, 255, 0.28);
}

.contact-channel--mail {
  background: linear-gradient(135deg, rgba(160, 140, 230, 0.18), rgba(80, 60, 150, 0.08));
  border-color: rgba(170, 150, 240, 0.28);
}

.contact-channel--time {
  background: linear-gradient(135deg, rgba(110, 210, 160, 0.14), rgba(50, 130, 95, 0.07));
  border-color: rgba(130, 220, 175, 0.26);
}

.contact-channel-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.22);
}

.contact-channel--phone .contact-channel-icon {
  color: #7eb8ff;
}

.contact-channel--mail .contact-channel-icon {
  color: #b4a3ef;
}

.contact-channel--time .contact-channel-icon {
  color: #7ed9a8;
}

.contact-channel-text {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.15rem 0.45rem;
  min-width: 0;
}

.contact-channel-label {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-channel-value {
  font-weight: 600;
  font-size: 1.04rem;
  word-break: break-all;
}

.contact-channel--phone .contact-channel-value,
.contact-channel--mail .contact-channel-value {
  color: #7eb8ff;
}

.contact-channel--mail .contact-channel-value {
  color: #a8b0ff;
}

.contact-channel-value--muted {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.98rem;
  word-break: break-word;
}

a.contact-channel:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* 联系 */
.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-card h3 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.contact-row {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.contact-row strong {
  display: block;
  color: var(--text);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.contact-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

form.contact-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
}

form.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

form.contact-form button[type="submit"] {
  border: none;
  margin-top: 0.25rem;
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  background: #05070d;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.footer-inner p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-icp {
  margin-top: 0.35rem !important;
  font-size: 0.82rem !important;
}

.footer-icp a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-icp a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-icp .footer-mps-icon {
  display: inline-block;
  vertical-align: -0.2em;
  margin-right: 0.35em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent);
}

/* 内页顶距 */
.page-hero {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, #0a0e18, var(--bg-deep));
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: 0.08em;
}

.page-hero p {
  margin: 0;
  color: var(--text-muted);
  max-width: 36rem;
  margin-inline: auto;
}

.bg-alt {
  background: linear-gradient(180deg, var(--bg-deep), #0a0e18 50%, var(--bg-deep));
}

/* ========== 炫酷动效层（商务科技感，可随系统“减少动态效果”关闭） ========== */

html.fx-motion-on .brand-name {
  transition: color 0.25s ease, text-shadow 0.35s ease, filter 0.35s ease;
}

html.fx-motion-on .brand:hover .brand-name {
  text-shadow: 0 0 24px rgba(198, 162, 74, 0.35);
  filter: brightness(1.08);
}

html.fx-motion-on .nav-main a {
  position: relative;
  transition: color 0.25s ease, border-color 0.25s ease, text-shadow 0.3s ease;
}

html.fx-motion-on .nav-main a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 0.9;
}

html.fx-motion-on .nav-main a:hover::after,
html.fx-motion-on .nav-main a.active::after {
  transform: scaleX(1);
}

html.fx-motion-on .nav-main a:hover,
html.fx-motion-on .nav-main a.active {
  border-bottom-color: transparent;
  text-shadow: 0 0 20px rgba(107, 95, 199, 0.35);
}

/* 首页 Hero：光球 + 标题微光 + 主图悬浮光晕 */
html.fx-motion-on .hero {
  overflow: hidden;
}

html.fx-motion-on .hero::before,
html.fx-motion-on .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

html.fx-motion-on .hero::before {
  width: min(72vw, 540px);
  height: min(72vw, 540px);
  background: rgba(107, 95, 199, 0.65);
  top: -18%;
  left: -12%;
  animation: fx-hero-orb-a 16s ease-in-out infinite alternate;
}

html.fx-motion-on .hero::after {
  width: min(58vw, 440px);
  height: min(58vw, 440px);
  background: rgba(198, 162, 74, 0.22);
  bottom: -12%;
  right: -8%;
  animation: fx-hero-orb-b 19s ease-in-out infinite alternate;
}

@keyframes fx-hero-orb-a {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(8%, 12%) scale(1.12);
  }
}

@keyframes fx-hero-orb-b {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(-10%, -8%) scale(1.08);
  }
}

html.fx-motion-on .hero-grid {
  position: relative;
  z-index: 1;
}

html.fx-motion-on .hero-copy h1 {
  animation: fx-title-pulse 6s ease-in-out infinite;
}

@keyframes fx-title-pulse {
  0%,
  100% {
    text-shadow: 0 0 0 transparent;
  }
  50% {
    text-shadow: 0 0 52px rgba(107, 95, 199, 0.22), 0 0 80px rgba(198, 162, 74, 0.08);
  }
}

html.fx-motion-on .hero-visual {
  animation: fx-hero-float 9s ease-in-out infinite;
  transition: box-shadow 0.45s ease;
}

@keyframes fx-hero-float {
  0%,
  100% {
    transform: translateY(0);
    box-shadow:
      0 24px 60px rgba(0, 0, 0, 0.45),
      0 0 0 0 rgba(107, 95, 199, 0);
  }
  50% {
    transform: translateY(-10px);
    box-shadow:
      0 32px 72px rgba(0, 0, 0, 0.38),
      0 0 48px rgba(107, 95, 199, 0.22),
      0 0 80px rgba(198, 162, 74, 0.06);
  }
}

html.fx-motion-on .hero-visual:hover {
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.35),
    0 0 60px rgba(107, 95, 199, 0.35);
}

html.fx-motion-on .section-title {
  background: linear-gradient(
    100deg,
    var(--text) 0%,
    var(--text) 42%,
    #f0e6c8 48%,
    var(--accent) 52%,
    #f0e6c8 56%,
    var(--text) 62%,
    var(--text) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fx-title-sheen 11s ease-in-out infinite;
}

@keyframes fx-title-sheen {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

html.fx-motion-on .btn-primary {
  animation: fx-btn-breathe 3.5s ease-in-out infinite;
  transition:
    transform 0.2s ease,
    box-shadow 0.35s ease,
    filter 0.35s ease;
}

html.fx-motion-on .btn-primary:hover {
  animation: none;
  filter: brightness(1.08);
}

@keyframes fx-btn-breathe {
  0%,
  100% {
    box-shadow: 0 8px 28px var(--glow);
  }
  50% {
    box-shadow:
      0 10px 44px rgba(107, 95, 199, 0.55),
      0 0 36px rgba(198, 162, 74, 0.14);
  }
}

html.fx-motion-on .btn-ghost {
  transition:
    transform 0.2s ease,
    border-color 0.25s ease,
    color 0.25s ease,
    box-shadow 0.35s ease;
}

html.fx-motion-on .btn-ghost:hover {
  box-shadow: 0 0 28px rgba(198, 162, 74, 0.12);
}

/* 卡片：悬浮抬升 + 光带扫过 */
html.fx-motion-on .card {
  position: relative;
  overflow: hidden;
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.3s ease,
    box-shadow 0.4s ease;
}

html.fx-motion-on .card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    125deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.07) 50%,
    transparent 60%,
    transparent 100%
  );
  transform: translateX(-120%) skewX(-12deg);
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

html.fx-motion-on .card:hover {
  transform: translateY(-6px);
  border-color: rgba(198, 162, 74, 0.45);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.35),
    0 0 40px rgba(107, 95, 199, 0.12);
}

html.fx-motion-on .card:hover::before {
  transform: translateX(120%) skewX(-12deg);
}

html.fx-motion-on .card-icon {
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

html.fx-motion-on .card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 24px rgba(198, 162, 74, 0.2);
}

html.fx-motion-on .card-product-logo {
  transition:
    transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease,
    border-color 0.35s ease;
}

html.fx-motion-on .card--product:hover .card-product-logo {
  transform: scale(1.06);
  border-color: rgba(198, 162, 74, 0.35);
  box-shadow:
    0 14px 40px rgba(0, 0, 0, 0.38),
    0 0 28px rgba(107, 95, 199, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* 产品配图：悬停轻缩放 + 外发光 */
html.fx-motion-on .split-visual {
  overflow: hidden;
  transition:
    box-shadow 0.45s ease,
    border-color 0.35s ease,
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

html.fx-motion-on .split-visual img {
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

html.fx-motion-on .split-visual:hover {
  transform: scale(1.02);
  border-color: rgba(107, 95, 199, 0.35);
  box-shadow:
    0 28px 64px rgba(0, 0, 0, 0.4),
    0 0 50px rgba(107, 95, 199, 0.15);
}

html.fx-motion-on .split-visual:hover img {
  transform: scale(1.06);
}

/* 解决方案条目：左侧能量条 */
html.fx-motion-on .solution-item {
  position: relative;
  transition: padding-left 0.35s ease, background 0.35s ease;
}

html.fx-motion-on .solution-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--purple), var(--accent));
  opacity: 0;
  transform: scaleY(0.4);
  transition:
    opacity 0.35s ease,
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

html.fx-motion-on .solution-item:hover {
  padding-left: 0.75rem;
  background: linear-gradient(90deg, rgba(107, 95, 199, 0.06), transparent 40%);
}

html.fx-motion-on .solution-item:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

/* 联系卡片与表单焦点 */
html.fx-motion-on .contact-card {
  transition:
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease,
    box-shadow 0.45s ease;
}

html.fx-motion-on .contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 162, 74, 0.25);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.32);
}

html.fx-motion-on form.contact-form input:focus,
html.fx-motion-on form.contact-form textarea:focus {
  outline: none;
  border-color: rgba(107, 95, 199, 0.55);
  box-shadow:
    0 0 0 3px rgba(107, 95, 199, 0.15),
    0 0 28px rgba(198, 162, 74, 0.08);
}

/* 页脚链接微交互 */
html.fx-motion-on .footer-links a {
  transition: color 0.25s ease, text-shadow 0.3s ease, transform 0.25s ease;
}

html.fx-motion-on .footer-links a:hover {
  transform: translateY(-2px);
  text-shadow: 0 0 18px rgba(198, 162, 74, 0.35);
}

/* 关闭动效：脚本或系统偏好 */
html.fx-motion-off body::before,
html.fx-motion-off body::after {
  animation: none !important;
  opacity: 0 !important;
}

html.fx-motion-off .site-header::after {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  html.fx-motion-on body::before,
  html.fx-motion-on body::after {
    animation: none !important;
  }

  html.fx-motion-on .site-header::after {
    animation: none !important;
  }

  html.fx-motion-on .hero::before,
  html.fx-motion-on .hero::after {
    animation: none !important;
  }

  html.fx-motion-on .hero-copy h1,
  html.fx-motion-on .hero-visual,
  html.fx-motion-on .section-title,
  html.fx-motion-on .btn-primary {
    animation: none !important;
  }

  html.fx-motion-on .section-title {
    background: none;
    color: var(--text);
    -webkit-background-clip: border-box;
    background-clip: border-box;
  }

  html.fx-motion-on .card::before {
    display: none;
  }
}

/* ========== 全站响应式补全 ========== */
@media (max-width: 899px) {
  .hero {
    min-height: 0;
    padding: clamp(2rem, 6vw, 3rem) var(--pad-x) clamp(2.25rem, 7vw, 4rem);
  }

  .hero-grid {
    gap: clamp(1.5rem, 4vw, 2.5rem);
  }

  .hero-copy .tagline {
    font-size: clamp(0.95rem, 2.8vw, 1.1rem);
  }

  .section-title {
    font-size: clamp(1.45rem, 5vw, 1.85rem);
    padding: 0 0.25rem;
  }

  .section-lead {
    font-size: clamp(0.95rem, 2.5vw, 1.05rem);
    margin-bottom: clamp(1.75rem, 5vw, 2.75rem);
    padding: 0 0.25rem;
  }

  .page-hero {
    padding: clamp(2rem, 6vw, 3rem) var(--pad-x) clamp(1.25rem, 4vw, 2rem);
  }

  .page-hero h1 {
    font-size: clamp(1.45rem, 5vw, 2rem);
    padding: 0 0.25rem;
  }

  .page-hero p {
    font-size: clamp(0.92rem, 2.5vw, 1rem);
    padding: 0 0.25rem;
  }

  .split {
    gap: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: clamp(2.5rem, 6vw, 4rem);
  }

  .split-body h2 {
    font-size: clamp(1.28rem, 3.8vw, 1.55rem);
  }

  .product-mark {
    width: min(64px, 18vw);
    height: min(64px, 18vw);
  }

  .prose-block p {
    font-size: clamp(0.98rem, 2.5vw, 1.05rem);
  }

  .contact-card {
    padding: clamp(1.35rem, 4vw, 2rem);
  }

  .site-footer {
    padding: clamp(1.75rem, 5vw, 2.5rem) var(--pad-x);
  }

  .card {
    padding: clamp(1.35rem, 3.5vw, 1.75rem) clamp(1.15rem, 3vw, 1.5rem);
  }

  .card-product-logo {
    width: min(68px, 16vw);
    height: min(68px, 16vw);
  }
}

@media (min-width: 480px) and (max-width: 899px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .cert-card img {
    max-height: 240px;
  }
}

@media (max-width: 639px) {
  .card-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .card-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .contact-channel {
    flex-wrap: wrap;
    padding: 0.9rem 1rem;
  }

  .contact-channel-icon {
    width: 42px;
    height: 42px;
  }

  .contact-channel-value {
    font-size: 1rem;
  }

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

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

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

  .product-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .product-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .product-card-links {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
  }

  .product-card-links .link-sep {
    display: none;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
  }
}

@supports (padding: max(0px)) {
  .header-inner {
    padding-left: max(var(--pad-x), env(safe-area-inset-left, 0px));
    padding-right: max(var(--pad-x), env(safe-area-inset-right, 0px));
  }

  .site-footer {
    padding-bottom: max(2rem, env(safe-area-inset-bottom, 0px));
  }

  @media (max-width: 959px) {
    .nav-main {
      padding-bottom: max(1.5rem, env(safe-area-inset-bottom, 0px));
      padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
    }
  }
}