/* 华然官网 - 全局样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Noto Sans SC", "HarmonyOS Sans", "HarmonyOS Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; }

/* ========== 布局工具类 ========== */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }
.grid { display: grid; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.flex-1 { flex: 1; }
.shrink-0 { flex-shrink: 0; }
.min-w-0 { min-width: 0; }

/* ========== Grid ========== */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.gap-0 { gap: 0; }
.gap-1 { gap: 4px; }
.gap-1\.5 { gap: 6px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.gap-10 { gap: 40px; }
.gap-12 { gap: 48px; }
.gap-14 { gap: 10%; }
.gap-16 { gap: 64px; }

.gap-x-8 { column-gap: 32px; }
.gap-y-2\.5 { row-gap: 10px; }

/* ========== 间距 ========== */
.p-1 { padding: 4px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }
.p-8 { padding: 32px; }
.p-10 { padding: 40px; }
.p-16 { padding: 64px; }

.px-2 { padding-left: 8px; padding-right: 8px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.px-5 { padding-left: 20px; padding-right: 20px; }
.px-6 { padding-left: 24px; padding-right: 24px; }
.px-8 { padding-left: 32px; padding-right: 32px; }
.px-10 { padding-left: 40px; padding-right: 40px; }

.py-1 { padding-top: 4px; padding-bottom: 4px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-2\.5 { padding-top: 10px; padding-bottom: 10px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.py-3\.5 { padding-top: 14px; padding-bottom: 14px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-6 { padding-top: 24px; padding-bottom: 24px; }
.py-7 { padding-top: 28px; padding-bottom: 28px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }
.py-10 { padding-top: 40px; padding-bottom: 40px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }
.py-14 { padding-top: 56px; padding-bottom: 56px; }
.py-16 { padding-top: 64px; padding-bottom: 64px; }
.py-20 { padding-top: 80px; padding-bottom: 80px; }
.py-24 { padding-top: 96px; padding-bottom: 96px; }

.pt-2 { padding-top: 8px; }
.pt-4 { padding-top: 16px; }
.pt-5 { padding-top: 20px; }
.pt-6 { padding-top: 24px; }
.pt-8 { padding-top: 32px; }
.pt-10 { padding-top: 40px; }
.pt-14 { padding-top: 56px; }
.pt-16 { padding-top: 64px; }
.pt-20 { padding-top: 80px; }

.pb-0 { padding-bottom: 0; }
.pb-2 { padding-bottom: 8px; }
.pb-6 { padding-bottom: 24px; }
.pb-8 { padding-bottom: 32px; }
.pb-10 { padding-bottom: 40px; }
.pb-14 { 
  padding-bottom: 56px; 
  border-bottom: 1px solid #D0D0D0;
}
.pb-16 { padding-bottom: 64px; }
.pb-20 { padding-bottom: 80px; }

.pl-2 { padding-left: 8px; }
.pl-4 { padding-left: 16px; }

.pr-4 { padding-right: 16px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mt-12 { margin-top: 48px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-10 { margin-bottom: 40px; }
.mb-14 { margin-bottom: 56px; }

.mr-6 { margin-right: 24px; }
.mr-4 { margin-right: 16px; }

.mx-2 { margin-left: 8px; margin-right: 8px; }
.mx-6 { margin-left: 24px; margin-right: 24px; }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-6 { margin-top: 24px; margin-bottom: 24px; }

.ml-1 { margin-left: 4px; }

/* ========== 尺寸 ========== */
.w-full { width: 100%; }
.w-1 { width: 4px; }
.w-4 { width: 16px; }
.w-8 { width: 32px; }
.w-10 { width: 40px; }
.w-11 { width: 44px; }
.w-12 { width: 48px; }
.w-14 { width: 56px; }
.w-16 { width: 64px; }
.w-20 { width: 80px; }
.w-auto { width: auto; }

.h-px { height: 1px; }
.h-1 { height: 4px; }
.h-2 { height: 8px; }
.h-4 { height: 16px; }
.h-8 { height: 32px; }
.h-9 { height: 36px; }
.h-10 { height: 40px; }
.h-12 { height: 48px; }
.h-14 { height: 56px; }
.h-16 { height: 64px; }
.h-20 { height: 80px; }
.h-48 { height: 192px; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-\[44px\] { height: 44px; }
.h-\[48px\] { height: 48px; }
.h-\[56px\] { height: 56px; }
.h-\[120px\] { height: 120px; }
.h-\[160px\] { height: 160px; }
.h-\[180px\] { height: 180px; }
.h-\[260px\] { height: 260px; }

.min-h-\[260px\] { min-height: 260px; }
.min-h-screen { min-height: 100vh; }

.max-w-sm { max-width: 384px; }
.max-w-md { max-width: 448px; }
.max-w-lg { max-width: 512px; }
.max-w-xl { max-width: 576px; }
.max-w-2xl { max-width: 672px; }
.max-w-\[800px\] { max-width: 800px; }
.max-w-\[900px\] { max-width: 900px; }
.max-w-\[1000px\] { max-width: 1000px; }
.max-w-\[1200px\] { max-width: 1200px; }
.max-w-\[1224px\] { max-width: 1224px; }
.max-w-\[1440px\] { max-width: 1440px; }

/* ========== 文字 ========== */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-\[12px\] { font-size: 12px; }
.text-\[13px\] { font-size: 13px; }
.text-\[14px\] { font-size: 14px; line-height: 33px;}
.text-\[15px\] { font-size: 15px; }
.text-\[16px\] { font-size: 16px; }
.text-\[17px\] { font-size: 17px; }
.text-\[18px\] { font-size: 18px; }
.text-\[20px\] { font-size: 20px; }
.text-\[24px\] { font-size: 24px; }
.text-\[28px\] { font-size: 28px; }
.text-\[32px\] { font-size: 32px; }
.text-\[34px\] { font-size: 34px; }
.text-\[36px\] { font-size: 36px; }
.text-\[44px\] { font-size: 44px; }
.text-\[48px\] { font-size: 48px; }
.text-\[52px\] { font-size: 52px; }
.text-\[56px\] { font-size: 56px; }
.text-\[30px\] { font-size: 2.6rem; }

.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }
.leading-\[1\.1\] { line-height: 1.1; }
.leading-\[1\.5\] { line-height: 1.5; }
.leading-\[1\.7\] { line-height: 1.7; }
.leading-\[1\.8\] { line-height: 1.8; }
.leading-\[1\.9\] { line-height: 1.9; }

.tracking-\[-0\.02em\] { letter-spacing: -0.02em; }
.tracking-\[-0\.03em\] { letter-spacing: -0.03em; }
.tracking-\[0\.2em\] { letter-spacing: 0.2em; }
.tracking-\[0\.25em\] { letter-spacing: 0.25em; }
.tracking-wider { letter-spacing: 0.05em; }

.uppercase { text-transform: uppercase; }

.whitespace-pre-line { white-space: pre-line; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ========== 颜色 ========== */
.text-white { color: #fff; }
.text-black { color: #333; }
.text-\[\#111\] { color: #333; }
.text-\[\#333\] { color: #333; }
.text-\[\#444\] { color: #444; }
.text-\[\#555\] { color: #555; }
.text-\[\#666\] { color: #666; }
.text-\[\#777\] { color: #777; }
.text-\[\#888\] { color: #888; }
.text-\[\#999\] { color: #999; }
.text-\[\#AAA\] { color: #aaa; }
.text-\[\#BBB\] { color: #bbb; }
.text-\[\#CCC\] { color: #ccc; }
.text-\[\#DDD\] { color: #ddd; }

.text-\[\#E02B2B\] { color: #E02B2B; }
.text-amber-400 { color: #fbbf24; }

.bg-white { background-color: #fff; }
.bg-\[\#FAFAFA\] { background-color: #FAFAFA; }
.bg-\[\#F5F5F5\] { background-color: #f1f3f5; }
.bg-\[\#F0F0F0\] { background-color: #F0F0F0; }
.bg-\[\#F8F8F8\] { background-color: #F8F8F8; }
.bg-\[\#111\] { background-color: #111; }
.bg-\[\#333\] { background-color: #333; }
.bg-\[\#444\] { background-color: #444; }
.bg-\[\#555\] { background-color: #555; }
.bg-\[\#E02B2B\] { background-color: #E02B2B; }
.bg-\[\#FFF0F0\] { background-color: #FFF0F0; }
.bg-\[\#FEFBFB\] { background-color: #FEFBFB; }

.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-\[\#E02B2B\] { --tw-gradient-from: #E02B2B; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(224, 43, 43, 0)); }
.to-\[\#FF6B6B\] { --tw-gradient-to: #FF6B6B; }

/* ========== 边框 ========== */
.border { border-width: 1px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-l-\[6px\] { border-left-width: 6px; }
.border-t-\[4px\] { border-top-width: 4px; }
.border-b-\[4px\] { border-bottom-width: 4px; }

.border-\[\#F0F0F0\] { border-color: #F0F0F0; }
.border-\[\#F5F5F5\] { border-color: #F5F5F5; }
.border-\[\#E0E0E0\] { border-color: #E0E0E0; }
.border-\[\#EEEEEE\] { border-color: #EEEEEE; }
.border-\[\#E5E5E5\] { border-color: #E5E5E5;
border-top: 1px solid #D0D0D0; }
.border-\[\#E02B2B\] { border-color: #E02B2B; }
.border-\[\#E02B2B\]\/20 { border-color: rgba(224, 43, 43, 0.2); }
.border-\[\#E02B2B\]\/30 { border-color: rgba(224, 43, 43, 0.3); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-t-transparent { border-top-color: transparent; }
.border-b-transparent { border-bottom-color: transparent; }
.border-l-transparent { border-left-color: transparent; }
.border-l-\[\#E02B2B\] { border-left-color: #E02B2B; }
.border-l-\[\#7C3AED\] { border-left-color: #7C3AED; }
.border-l-\[\#2563EB\] { border-left-color: #2563EB; }
.border-l-\[\#059669\] { border-left-color: #059669; }

.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 8px; }
.rounded-xl { border-radius: 12px; }

/* ========== 溢出 ========== */
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }

/* ========== 对象适配 ========== */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* ========== 纵横比 ========== */
.aspect-\[16\/10\] { aspect-ratio: 16/10; }
.aspect-\[4\/3\] { aspect-ratio: 4/3; }

/* ========== 光标 ========== */
.cursor-pointer { cursor: pointer; }

/* ========== 选择 ========== */
.select-none { user-select: none; }

/* ========== 行限制 ========== */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== 变换 ========== */
.-translate-y-1\/2 { transform: translateY(-50%); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.translate-y-0 { transform: translateY(0); }
.translate-y-2 { transform: translateY(8px); }
.translate-y-4 { transform: translateY(16px); }
.translate-y-6 { transform: translateY(24px); }
.translate-y-8 { transform: translateY(32px); }
.rotate-180 { transform: rotate(180deg); }

/* ========== 过渡 ========== */
.transition-all { transition-property: all; }
.transition-colors { transition-property: color, background-color, border-color; }
.transition-transform { transition-property: transform; }
.transition-opacity { transition-property: opacity; }

.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-400 { transition-duration: 400ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }
.duration-1000 { transition-duration: 1000ms; }

.ease-out { transition-timing-function: ease-out; }

/* ========== 不透明度 ========== */
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-80 { opacity: 0.8; }
.opacity-100 { opacity: 1; }
.opacity-0 { opacity: 0; }

/* ========== 阴影 ========== */
.shadow-sm { box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.shadow-md { box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.shadow-lg { box-shadow: 0 10px 15px rgba(0,0,0,0.1); }

/* ========== 动画 ========== */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.animate-marquee {
  animation: marquee 30s linear infinite;
}

.animate-marquee:hover {
  animation-play-state: paused;
}

/* ========== 导航栏 ========== */
.nav-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  transition: all 0.3s ease;
}

.nav-transparent { background: transparent !important; box-shadow: none !important; backdrop-filter: none !important; }
.nav-gray { background: #F5F5F5; }
.nav-glass {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 20px rgba(0,0,0,0.08);
}

/* ========== 下拉菜单 ========== */
.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: white;
  border: 1px solid #F0F0F0;
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  min-width: 140px;
  z-index: 50;
}

.dropdown-menu a, .dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 16px;
  font-size: 13px;
  color: #666;
  border-bottom: 1px solid #F5F5F5;
  transition: all 0.2s;
}

.dropdown-menu a:last-child, .dropdown-menu button:last-child {
  border-bottom: none;
}

.dropdown-menu a:hover, .dropdown-menu button:hover {
  color: #E02B2B;
}

/* ========== 响应式 ========== */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:inline-flex { display: inline-flex; }

  .md\:flex-row { flex-direction: row; }
  .md\:items-end { align-items: flex-end; }
  .md\:items-center { align-items: center; }
  .md\:justify-between { justify-content: space-between; }

  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

  .md\:col-span-4 { grid-column: span 4 / span 4; }
  .md\:col-span-7 { grid-column: span 7 / span 7; }

  .md\:aspect-auto { aspect-ratio: auto; }
  .md\:h-full { height: 100%; }

  .md\:text-\[24px\] { font-size: 24px; }
  .md\:text-\[32px\] { font-size: 32px; }
  .md\:text-\[34px\] { font-size: 34px; }
  .md\:text-\[36px\] { font-size: 36px; }
  .md\:text-\[48px\] { font-size: 48px; }
  .md\:text-\[52px\] { font-size: 52px; }
  .md\:text-\[56px\] { font-size: 56px; }

  .md\:px-8 { padding-left: 32px; padding-right: 32px; }
  .md\:px-8 { padding-left: 32px; padding-right: 32px; }

  .md\:py-20 { padding-top: 80px; padding-bottom: 80px; }
  .md\:py-24 { padding-top: 96px; padding-bottom: 96px; }
  .md\:py-28 { padding-top: 112px; padding-bottom: 112px; }
  .md\:py-32 { padding-top: 128px; padding-bottom: 128px; }

  .md\:pb-28 { padding-bottom: 112px; }
  .md\:pt-28 { padding-top: 112px; }

  .md\:gap-10 { gap: 40px; }
  .md\:gap-6 { gap: 24px; }

  .md\:border-l { border-left-width: 1px; }
  .md\:border-\[\#F0F0F0\] { border-color: #F0F0F0; }

  .md\:w-8 { width: 32px; }
  .md\:h-px { height: 1px; }

  .md\:justify-items-end { justify-items: end; }
  .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .md\:grid-cols-\[364px_1fr\] { grid-template-columns: 364px 1fr; }
}

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:col-span-4 { grid-column: span 4 / span 4; }
  .lg\:col-span-5 { grid-column: span 5 / span 5; }
  .lg\:col-span-7 { grid-column: span 7 / span 7; }
  .lg\:col-span-8 { grid-column: span 8 / span 8; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:items-center { align-items: center; }
  .lg\:justify-between { justify-content: space-between; }
  .lg\:w-\[40\%\] { width: 40%; }
  .lg\:w-\[50\%\] { width: 50%; }
  .lg\:gap-20 { gap: 80px; }
  .lg\:px-8 { padding-left: 32px; padding-right: 32px; }
}

/* ========== 导航Hover ========== */
.nav-link:hover { color: #E02B2B !important; }
.nav-link.active { color: #E02B2B !important; }

/* ========== 幻灯片轮播 ========== */
.slider-dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(150,150,150,0.8); cursor: pointer; transition: all 0.3s ease; border: none; }
.slider-dot.active { background: white; width: 14px; height: 14px; box-shadow: 0 0 0 2px rgba(0,0,0,0.3), 0 0 0 3px rgba(255,255,255,0.9); }
.slider-dot:hover { background: rgba(200,200,200,0.9); }

.slider-arrow { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s; border: 1px solid rgba(255,255,255,0.2); }
.slider-arrow:hover { background: rgba(255,255,255,0.25); }

.slide-content { opacity: 0; transform: translateY(20px); transition: all 0.6s ease 0.2s; }
.slide.active .slide-content { opacity: 1; transform: translateY(0); }

.slide { opacity: 0; transition: opacity 0.8s ease; position: absolute; inset: 0; }
.slide.active { opacity: 1; z-index: 2; }

.slide-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 6s ease; }
.slide.active .slide-bg { transform: scale(1.05); }

/* ========== 其他交互组件 ========== */
.dropdown-menu { display: none; }
.dropdown-menu.active { display: block; }
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback: 3秒后自动显示所有 reveal 元素 */
.reveal {
  animation: reveal-fallback 0.01s 3s forwards;
}

@keyframes reveal-fallback {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal.revealed {
  animation: none;
}
.accordion-content { max-height: 0; overflow: hidden; opacity: 0; transition: all 0.5s ease; }
.accordion-item.open .accordion-content { opacity: 1; }
.filter-btn.active { background: #444; color: white; }
.page-btn.active { background: #E02B2B; color: white; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
#mobile-menu { display: none; }
#mobile-menu.active { display: block; }


/* ===== 页面专属样式 ===== */

.dropdown-menu { display: none; }
.dropdown-menu.active { display: block; }
.reveal { opacity: 0; transform: translateY(24px); transition: all 0.7s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.accordion-content { max-height: 0; overflow: hidden; opacity: 0; transition: all 0.5s ease; }
.accordion-item.open .accordion-content { opacity: 1; }
.filter-btn.active { background: #444; color: white; }
.page-btn.active { background: #E02B2B; color: white; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
#mobile-menu { display: none; }
#mobile-menu.active { display: block; }



/* ===== 核心业务七大板块（差异化排版） ===== */
.bs-sec { position: relative; padding: 130px 0; overflow: hidden; }
.bs-white { background: #fff; }
.bs-gray { background: #F7F8FA; }
.bs-dark { background: #141414; }
.bs-container { position: relative; max-width: 1440px; margin: 0 auto; padding: 0 16px; }

/* 基础元素 */
.bs-label { display: block; font-size: 12px; font-weight: 700; color: #E02B2B; letter-spacing: 0.3em; margin-bottom: 22px; }
.bs-title { font-size: 44px; font-weight: 700; color: #333; line-height: 1.3; letter-spacing: -0.02em; }
.bs-title-w { color: #fff; }
.bs-line { display: block; width: 56px; height: 3px; background: #E02B2B; margin-top: 34px; }
.bs-line-c { margin-left: auto; margin-right: auto; }
.bs-text { font-size: 15px; color: #777; line-height: 2; margin-top: 30px; margin-bottom: 32px; max-width: 600px; }
.bs-text-c { margin-left: auto; margin-right: auto; }
.bs-text-w { color: rgba(255,255,255,0.55); }
.bs-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.bs-tags-c { justify-content: center; }
.bs-tags span { font-size: 13px; color: #555; padding: 8px 20px; border: 1px solid #E5E5E5; border-radius: 999px; background: #fff; transition: all 0.3s ease; }
.bs-tags span:hover { border-color: #E02B2B; color: #E02B2B; }
.bs-tags-w span { background: transparent; border-color: rgba(255,255,255,0.25); color: rgba(255,255,255,0.75); }
.bs-tags-w span:hover { border-color: #E02B2B; color: #E02B2B; }
.bs-stats { display: flex; gap: 56px; padding-top: 32px; border-top: 1px solid #E8E8E8; }
.bs-stats-w { border-top-color: rgba(255,255,255,0.15); }
.bs-stat svg { display: block; margin-bottom: 14px; }
.bs-stat strong { display: block; font-size: 40px; font-weight: 700; color: #333; line-height: 1.1; letter-spacing: -0.02em; }
.bs-stats-w .bs-stat strong { color: #fff; }
.bs-stat span { display: block; font-size: 13px; color: #999; margin-top: 8px; }
.bs-stats-w .bs-stat span { color: rgba(255,255,255,0.45); }

/* 01 广告：左文右图·满高大图 + 浮动白卡 */
.bs-a-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 90px; align-items: center; }
.bs-a-media { position: relative; }
.bs-a-media img { width: 100%; height: 560px; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,0.10); }
.bs-a-card { position: absolute; left: -36px; bottom: 44px; display: flex; align-items: center; gap: 14px; background: #fff; border-radius: 16px; padding: 20px 26px; box-shadow: 0 20px 50px rgba(0,0,0,0.14); }
.bs-a-card strong { display: block; font-size: 26px; font-weight: 700; color: #E02B2B; line-height: 1.1; }
.bs-a-card span { display: block; font-size: 12px; color: #999; margin-top: 4px; }

/* 02 游戏：居中 + 超宽横幅 */
.bs-b-head { text-align: center; max-width: 820px; margin: 0 auto 60px; }
.bs-b-head .bs-text { max-width: 720px; }
.bs-b-banner img { width: 100%; height: 440px; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,0.10); }
.bs-b-stats { display: flex; justify-content: center; gap: 110px; margin-top: 56px; text-align: left; }

/* 03 电商：左图（错位红框+红卡）右文 */
.bs-c-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.bs-c-media { position: relative; margin-left: 24px; }
.bs-c-frame { position: absolute; top: -24px; left: -24px; width: 100%; height: 100%; border: 2px solid #E02B2B; border-radius: 24px; z-index: 0; }
.bs-c-media img { position: relative; z-index: 1; width: 100%; height: 500px; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,0.10); }
.bs-c-card { position: absolute; z-index: 2; top: -28px; right: -24px; background: #E02B2B; border-radius: 16px; padding: 22px 28px; box-shadow: 0 20px 45px rgba(224,43,43,0.35); }
.bs-c-card strong { display: block; font-size: 30px; font-weight: 700; color: #fff; line-height: 1.1; }
.bs-c-card span { display: block; font-size: 12px; color: rgba(255,255,255,0.8); margin-top: 4px; }
.bs-c-stats { display: flex; flex-direction: column; gap: 24px; }
.bs-c-stat { display: flex; align-items: center; gap: 18px; padding-left: 22px; border-left: 3px solid #E02B2B; }
.bs-c-stat strong { display: block; font-size: 32px; font-weight: 700; color: #333; line-height: 1.1; }
.bs-c-stat span { display: block; font-size: 13px; color: #999; margin-top: 4px; }

/* 04 媒体：纯文字大排版 */
.bs-d-head { text-align: center; max-width: 860px; margin: 0 auto; }
.bs-d-title { font-size: 52px; font-weight: 700; color: #333; line-height: 1.25; letter-spacing: -0.02em; }
.bs-d-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; max-width: 900px; margin: 44px auto 64px; }
.bs-d-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; max-width: 1000px; margin: 0 auto; text-align: center; }
.bs-d-stat { border-top: 3px solid #E02B2B; padding-top: 30px; }
.bs-d-stat strong { display: block; font-size: 56px; font-weight: 700; color: #E02B2B; line-height: 1.1; letter-spacing: -0.02em; }
.bs-d-stat span { display: block; font-size: 14px; color: #888; margin-top: 12px; }

/* 05 AI：深色板块 */
.bs-e-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.bs-e-media img { width: 100%; height: 500px; object-fit: cover; border-radius: 24px; border: 1px solid rgba(224,43,43,0.4); box-shadow: 0 0 60px rgba(224,43,43,0.18), 0 30px 70px rgba(0,0,0,0.4); }

/* 06 海外：不对称大图 + 窄文栏 */
.bs-f-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 90px; align-items: center; }
.bs-f-media img { width: 100%; height: 600px; object-fit: cover; border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,0.10); }
.bs-f-stats { display: flex; flex-direction: column; }
.bs-f-stat { display: flex; align-items: center; gap: 18px; padding: 22px 0; border-top: 1px solid #E8E8E8; }
.bs-f-stat:first-child { border-top: none; padding-top: 0; }
.bs-f-stat strong { display: block; font-size: 30px; font-weight: 700; color: #333; line-height: 1.1; }
.bs-f-stat span { display: block; font-size: 13px; color: #999; margin-top: 4px; }

/* 07 数据：左文 + 右侧2x2卡片矩阵 */
.bs-g-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 90px; align-items: center; }
.bs-g-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bs-g-card { background: #fff; border-radius: 20px; padding: 36px 32px; box-shadow: 0 16px 40px rgba(0,0,0,0.06); transition: all 0.35s ease; }
.bs-g-card:hover { transform: translateY(-6px); box-shadow: 0 26px 56px rgba(0,0,0,0.10); }
.bs-g-card svg { display: block; margin-bottom: 20px; }
.bs-g-card strong { display: block; font-size: 36px; font-weight: 700; color: #333; line-height: 1.1; letter-spacing: -0.02em; }
.bs-g-card span { display: block; font-size: 13px; color: #999; margin-top: 10px; }

/* ===== H5 适配 ===== */
@media (max-width: 1023px) {
  .bs-sec { padding: 72px 0; }
  .bs-title { font-size: 30px; }
  .bs-line { margin-top: 24px; }
  .bs-text { font-size: 14px; margin-top: 22px; margin-bottom: 26px; max-width: 100%; }
  .bs-tags { gap: 8px; margin-bottom: 30px; }
  .bs-tags span { font-size: 12px; padding: 6px 14px; }
  .bs-stats { gap: 28px; }
  .bs-stat strong { font-size: 28px; }

  .bs-a-grid, .bs-c-grid, .bs-e-grid, .bs-f-grid, .bs-g-grid { grid-template-columns: 1fr; gap: 44px; }
  .bs-a-media img { height: 300px; }
  .bs-a-card { left: 16px; bottom: 16px; padding: 14px 18px; }
  .bs-a-card strong { font-size: 20px; }

  .bs-b-head { margin-bottom: 40px; }
  .bs-b-banner img { height: 240px; }
  .bs-b-stats { flex-wrap: wrap; gap: 28px 40px; margin-top: 36px; justify-content: flex-start; }

  .bs-c-media { margin-left: 12px; margin-top: 20px; }
  .bs-c-media img { height: 300px; }
  .bs-c-frame { top: -12px; left: -12px; }
  .bs-c-card { top: auto; bottom: -20px; right: 12px; padding: 14px 18px; }
  .bs-c-card strong { font-size: 22px; }
  .bs-c-stats { margin-top: 10px; }

  .bs-d-title { font-size: 30px; }
  .bs-d-tags { margin: 30px auto 44px; gap: 8px; }
  .bs-d-stats { gap: 28px; }
  .bs-d-stat strong { font-size: 34px; }

  .bs-e-media img { height: 300px; }
  .bs-f-media img { height: 300px; }
  .bs-g-cards { gap: 14px; }
  .bs-g-card { padding: 24px 20px; }
  .bs-g-card strong { font-size: 26px; }

  /* cap-icon H5适配 */
  .cap-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
  }
  .cap-icon svg {
    width: 24px;
    height: 24px;
  }
  .cap-icon svg [stroke-width] {
    stroke-width: 1.5;
  }
}

/* ===== 案例页专属 ===== */
.cs-filters { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px; }
.cs-filters .filter-btn { font-size: 14px; font-weight: 500; color: #555; padding: 10px 26px; border: 1px solid #E5E5E5 !important; border-radius: 999px; background: #fff; cursor: pointer; transition: all 0.3s ease; }
.cs-filters .filter-btn:hover { border-color: #E02B2B !important; color: #E02B2B; }
.cs-filters .filter-btn.active { background: #E02B2B !important; border-color: #E02B2B !important; color: #fff !important; box-shadow: 0 8px 20px rgba(224,43,43,0.3) !important; }
.cs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.cs-grid .case-item { background: #fff; border-radius: 20px; overflow: hidden; box-shadow: 0 12px 36px rgba(0,0,0,0.06); transition: all 0.4s ease; cursor: pointer; }
.cs-grid .case-item:hover { transform: translateY(-8px); box-shadow: 0 28px 60px rgba(0,0,0,0.12); }
.cs-thumb { overflow: hidden; }
.cs-thumb img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.6s ease; }
.cs-grid .case-item:hover .cs-thumb img { transform: scale(1.06); }
.cs-body { padding: 28px; }
.cs-cat { display: inline-block; font-size: 12px; font-weight: 700; color: #E02B2B; background: #FFF0F0; padding: 5px 14px; border-radius: 999px; }
.cs-body h4 { font-size: 18px; font-weight: 700; color: #333; line-height: 1.5; margin-top: 16px; transition: color 0.3s ease; }
.cs-grid .case-item:hover .cs-body h4 { color: #E02B2B; }
.cs-body p { font-size: 13px; color: #999; line-height: 1.8; margin-top: 8px; }
@media (max-width: 1023px) {
  .cs-filters { gap: 8px; margin-bottom: 36px; }
  .cs-filters .filter-btn { font-size: 13px; padding: 8px 18px; }
  .cs-grid { grid-template-columns: 1fr; gap: 20px; }
  .cs-thumb img { height: 200px; }
}

/* ===== 板块1 · 全案服务能力（cap-） ===== */
.cap-head { text-align: center; max-width: 860px; margin: 0 auto 70px; }
.cap-title {
  font-size: 52px;
  font-weight: 700;
  color: #333;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 26px;
  -webkit-text-stroke: 0.5px #333;
}
.cap-sub {
  font-size: 15px;
  color: #8a8a94;
  line-height: 2;
  margin: 0;
}
.cap-cards {
  display: flex;
  justify-content: space-between;
  gap: 26px;
}
.cap-card {
  flex: 1;
  min-width: 0;
  padding: 42px 0 38px;
  transition: transform 0.35s ease;
}
.cap-card:hover {
  transform: translateY(-6px);
}
.cap-card-static:hover { transform: none; }
.cap-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #fff;
  border: 1px solid #E5E5E5;
  border-radius: 8px;
  margin-bottom: 26px;
}

.cap-icon svg {
  width: 28px;
  height: 28px;
}

.cap-icon svg [stroke-width] {
  stroke-width: 1.5;
}
.cap-card h4 {
  font-size: 19px;
  font-weight: 800;
  color: #333;
  margin: 0 0 22px;
}
.cap-line {
  display: none;
}
.cap-card p {
  font-size: 13.5px;
  color: #9a9aa6;
  line-height: 1.95;
  margin: 0;
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 40px;
}

/* 每行第一个元素左边对齐 */
.cap-grid .cap-item:nth-child(3n+1) {
  padding-left: 0;
}

/* 每行第三个元素右边对齐 */
.cap-grid .cap-item:nth-child(3n) {
  padding-right: 0;
}
.cap-item { display: flex; align-items: flex-start; gap: 20px; padding-left: 32px; padding-right: 32px; }
.cap-item-icon {
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cap-item h4 {
  font-size: 17px;
  font-weight: 800;
  color: #333;
  margin: 0 0 10px;
}
.cap-item p {
  font-size: 13px;
  color: #9a9aa6;
  line-height: 1.95;
  margin: 0;
}
@media (max-width: 1023px) {
  .cap-title { font-size: 30px; }
  .cap-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .cap-grid { grid-template-columns: 1fr; gap: 28px; }
  .cap-grid .cap-item:nth-child(3n+1),
  .cap-grid .cap-item:nth-child(3n) {
    padding-left: 32px;
    padding-right: 32px;
  }
  .cap-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
  }
  .cap-icon svg {
    width: 24px;
    height: 24px;
  }
  .cap-icon svg [stroke-width] {
    stroke-width: 1.5;
  }
}

/* ===== 板块2 · 增长方法论（gr- · x48大脑图解版式） ===== */
.gr-sec {
  position: relative;
  padding: 110px 0 120px;
  background: #f8f6ff;
  overflow: hidden;
}
.gr-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 72px;
}
.gr-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #E02B2B;
  margin: 0 0 16px;
}
.gr-title {
  font-size: 52px;
  font-weight: 700;
  color: #333;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 20px;
  -webkit-text-stroke: 0.5px #333;
}
.gr-sub {
  font-size: 15px;
  color: #8a8a94;
  line-height: 2;
  margin: 0;
}
.gr-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px) minmax(0, 1fr);
  align-items: center;
  gap: 48px;
}
.gr-col {
  display: flex;
  flex-direction: column;
  gap: 96px;
}
.gr-brain {
  display: flex;
  justify-content: center;
  align-items: center;
}
.gr-brain img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
}
.gr-point { max-width: 380px; padding: 0; }
.gr-point-l { text-align: left; margin-left: 0; margin-right: auto; }
.gr-point-r { text-align: right; margin-right: 0; margin-left: auto; }
.gr-num-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.gr-point-l .gr-num-row { justify-content: flex-start; }
.gr-point-r .gr-num-row { justify-content: flex-end; }
.gr-num {
  font-size: 62px;
  font-weight: 800;
  color: #E02B2B;
  line-height: 1;
  letter-spacing: -0.02em;
}
.gr-en {
  font-size: 25px;
  font-weight: 400;
  color: #E02B2B;
}
.gr-point h4 {
  font-size: 17px;
  font-weight: 400;
  color: #222;
  margin: 0 0 13px;
}
.gr-point p {
  font-size: 14px;
  color: #777;
  line-height: 1.9;
  margin: 0;
}
.gr-cta { text-align: center; margin-top: 80px; }
.gr-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  color: #fff;
  font-size: 14.5px;
  font-weight: 700;
  padding: 15px 32px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 14px 32px rgba(224, 43, 43, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gr-btn:hover { transform: translateY(-3px); box-shadow: 0 20px 42px rgba(224, 43, 43, 0.38); }
@media (max-width: 1023px) {
  .gr-sec { padding: 72px 0 80px; }
  .gr-head { margin-bottom: 48px; }
  .gr-title { font-size: 30px; }
  .gr-stage { grid-template-columns: 1fr; gap: 44px; }
  .gr-brain { order: -1; }
  .gr-brain img { max-width: 250px; }
  .gr-col { gap: 42px; }
  .gr-point,
  .gr-point-l,
  .gr-point-r { text-align: left; margin: 0; max-width: 100%; }
  .gr-point-l .gr-num-row { justify-content: flex-start; }
  .gr-num { font-size: 44px; }
  .gr-en { font-size: 19px; }
  .gr-cta { margin-top: 56px; }
}

/* ===== 板块3 · 交付能力（dl-） ===== */
.dl-sec { background: #f8f6ff; padding: 120px 0 130px; overflow: hidden; }
.dl-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.dl-row + .dl-row { margin-top: 130px; }
.dl-row-rev .dl-visual { order: 2; }
.dl-row-rev .dl-content { order: 1; }
.dl-visual { position: relative; min-height: 400px; }
.dl-mock {
  background: #fff;
  border: 1px solid #efedf5;
  border-radius: 18px;
  box-shadow: 0 20px 52px rgba(40, 30, 90, 0.1);
}
.dl-mock-main {
  width: 78%;
  padding: 24px 32px 26px;
  position: relative;
  z-index: 2;
  margin-left: auto;
}
.dl-mock-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.dl-mock-head i { width: 8px; height: 8px; border-radius: 50%; background: #eeeef3; }
.dl-mock-logo {
  font-size: 13.5px;
  font-weight: 800;
  color: #E02B2B;
  margin-right: auto;
}
.dl-mock-field {
  background: #faf9fd;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.dl-mock-field em {
  display: block;
  font-style: normal;
  font-size: 11.5px;
  font-weight: 700;
  color: #555;
  margin-bottom: 9px;
}
.dl-mock-field b {
  display: block;
  height: 7px;
  border-radius: 99px;
  background: #e6dff5;
  margin-bottom: 7px;
}
.dl-mock-field span { font-size: 11px; color: #b0aabf; }
.dl-mock-float {
  position: absolute;
  width: 52%;
  left: 0;
  bottom: -30px;
  z-index: 3;
  padding: 18px 32px 16px;
}
.dl-mini-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.dl-mini-head strong { font-size: 12.5px; color: #333; }
.dl-mini-tag {
  font-size: 10.5px;
  font-weight: 700;
  color: #1a9e54;
  background: #e8f7ee;
  border-radius: 999px;
  padding: 3px 10px;
}
.dl-mini-chart svg { width: 100%; height: auto; display: block; }
.dl-mini-foot { display: flex; align-items: baseline; gap: 10px; margin-top: 8px; }
.dl-mini-foot strong { font-size: 20px; font-weight: 800; color: #333; }
.dl-mini-foot span { font-size: 11.5px; font-weight: 700; color: #1a9e54; }
.dl-title {
  font-size: 52px;
  font-weight: 800;
  color: #555;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 24px;
  -webkit-text-stroke: 0.5px #555;
}

.dl-title span {
  color: #555;
}
.dl-text {
  font-size: 15px;
  color: #888;
  line-height: 1.8;
  margin: 0 0 48px;
  max-width: 520px;
}
.dl-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 28px; }
.dl-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  font-weight: 400;
  color: #444;
}
.dl-list li i {
  font-style: normal;
  color: #E02B2B;
  font-size: 15px;
}

/* 灰色边线圆角方框 + 红色对勾 */
.dl-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: transparent;
  border: 1.5px solid #D8D8E0;
  border-radius: 5px;
  margin-right: 0;
  flex-shrink: 0;
}

.dl-check::before {
  content: '';
  display: block;
  width: 4px;
  height: 8px;
  border-right: 2px solid #E02B2B;
  border-bottom: 2px solid #E02B2B;
  transform: rotate(45deg) translate(-1px, -1px);
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(224, 43, 43, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.dl-btn:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(224, 43, 43, 0.38); }
.dl-orbit {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto 30px;
}
.dl-orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 90deg, #E02B2B, #E02B2B, #7C3AED, #E02B2B);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  opacity: 0.9;
}
.dl-orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 34px rgba(224, 43, 43, 0.35);
}
.dl-orbit-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 6px 14px rgba(0,0,0,0.12);
}
.dl-card-user {
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 46%;
  background: #fff;
  border: 1px solid #efedf5;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 42px rgba(40, 30, 90, 0.1);
  text-align: center;
}
.dl-card-avatar {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dl-card-user strong { display: block; font-size: 13.5px; color: #333; }
.dl-card-user em { display: block; font-style: normal; font-size: 11px; color: #b0aabf; margin: 4px 0 12px; }
.dl-card-nums { display: flex; justify-content: space-around; }
.dl-card-nums b { display: block; font-size: 16px; font-weight: 800; color: #333; }
.dl-card-nums span { font-size: 10.5px; color: #b0aabf; }
.dl-card-data {
  position: absolute;
  right: 0;
  bottom: -34px;
  width: 48%;
  background: #fff;
  border: 1px solid #efedf5;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 16px 42px rgba(40, 30, 90, 0.1);
}
.dl-card-data-top {
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
}
.dl-card-data-top span { font-size: 10.5px; color: rgba(255,255,255,0.75); }
.dl-card-data-top strong { font-size: 20px; font-weight: 800; color: #fff; }
.dl-card-data-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 2px;
}
.dl-card-ico {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.dl-card-data-row b { display: block; font-size: 12px; color: #333; }
.dl-card-data-row span:not(.dl-card-ico) { font-size: 10px; color: #b0aabf; }
.dl-card-data-row div { flex: 1; }
.dl-card-data-row em { font-style: normal; font-size: 11.5px; font-weight: 700; color: #8a8a94; }
@media (max-width: 1023px) {
  .dl-sec { padding: 72px 0 90px; }
  .dl-row { grid-template-columns: 1fr; gap: 70px; }
  .dl-row + .dl-row { margin-top: 90px; }
  .dl-row-rev .dl-visual { order: 0; }
  .dl-row-rev .dl-content { order: 1; }
  .dl-title { font-size: 28px; }
  .dl-visual { min-height: 460px; }
}

/* ===== 板块4 · 选择华然（wh-） ===== */
.wh-sec {
  position: relative;
  padding: 120px 0 130px;
  background: #fff;
  overflow: hidden;
}
.wh-grid {
  display: grid;
  grid-template-columns: minmax(0, 40%) minmax(0, 1fr);
  gap: 80px;
  align-items: center;
}
.wh-title {
  font-size: 52px;
  font-weight: 700;
  color: #333;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 26px;
  -webkit-text-stroke: 0.5px #333;
}
.wh-text {
  font-size: 15px;
  color: #8a8a94;
  line-height: 2;
  margin: 0 0 44px;
}
.wh-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}
.wh-svg { width: 100%; height: auto; display: block; }
.wh-visual-tag {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(224, 43, 43, 0.35);
}
.wh-cards { display: flex; flex-direction: column; gap: 24px; align-items: flex-end; margin-left: auto; max-width: 480px; }
.wh-card {
  display: flex;
  gap: 24px;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 24px 0;
  max-width: 100%;
  width: 100%;
  box-shadow: none;
  transition: transform 0.35s ease;
}
.wh-card:hover {
  transform: translateX(4px);
}
.wh-card-static:hover { transform: none; }
.wh-card-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #E5E5E5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wh-card-icon svg {
  width: 28px;
  height: 28px;
}

.wh-card-icon svg [stroke-width] {
  stroke-width: 1.5;
}
.wh-card-icon svg [stroke-width] {
  stroke-width: 1.5;
}
.wh-card-body strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #333;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 6px;
}
.wh-card-body strong.wh-card-title { font-size: 24px; }
.wh-card-body em {
  display: block;
  font-style: normal;
  font-size: 13.5px;
  color: #555;
  margin-bottom: 16px;
}
.wh-card-body p {
  font-size: 13px;
  color: #9a9aa6;
  line-height: 1.95;
  margin: 0;
}
@media (max-width: 1023px) {
  .wh-sec { padding: 72px 0 80px; }
  .wh-grid { grid-template-columns: 1fr; gap: 48px; }
  .wh-title { font-size: 30px; }
  .wh-card { padding: 26px 22px; }
  .wh-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
  }
  .wh-card-icon svg {
    width: 24px;
    height: 24px;
  }
  .wh-card-icon svg [stroke-width] {
    stroke-width: 1.5;
  }
}

/* ===== 板块5 · 两列FAQ（qa-） ===== */
.qa-head { text-align: center; margin-bottom: 70px; }
.qa-title {
  font-size: 46px;
  font-weight: 800;
  color: #555;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}
.qa-title span {
  background: linear-gradient(135deg, #E02B2B, #B81D22);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.qa-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 40px;
}
.qa-col { display: flex; flex-direction: column; gap: 18px; }
.qa-item {
  background: #fff;
  border: 1px solid #efedf5;
  border-radius: 4px;
  overflow: hidden;
}
.qa-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 32px;
  cursor: pointer;
}
.qa-item-head strong {
  font-size: 15px;
  font-weight: 700;
  color: #555;
}
.qa-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

/* 黑色下箭头 - 用伪元素实现空心 chevron */
.qa-arrow::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}
.qa-item.open .qa-arrow::before { transform: rotate(225deg); }
.qa-item-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
}
.qa-item.open .qa-item-body { max-height: 220px; opacity: 1; }
.qa-item-body p {
  font-size: 13.5px;
  color: #8a8a94;
  line-height: 1.95;
  margin: 0;
  padding: 0 32px 24px;
}
@media (max-width: 1023px) {
  .qa-title { font-size: 30px; }
  .qa-cols { grid-template-columns: 1fr; gap: 18px; }
  .qa-item { border-radius: 4px; }
}

/* 导航菜单间距加宽 */
.nav-link.px-3 { padding-left: 17px; padding-right: 17px; }

/* ===== 统计卡片（截图风格） ===== */
.stats-card {
  background: #1a1a2e;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.stats-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.stats-row:last-child {
  margin-bottom: 0;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.stat-ring {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 14px;
  filter: drop-shadow(0 4px 8px rgba(224, 43, 43, 0.25));
}
.stat-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.ring-bg {
  fill: none;
  stroke: rgba(0,0,0,0.06);
  stroke-width: 6;
}
.ring-bar {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 264;
  transition: stroke-dashoffset 1s ease;
}
.stat-num {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  text-align: center;
}
@media (max-width: 1023px) {
  .stats-row {
    gap: 12px;
  }
  .stat-ring {
    width: 64px;
    height: 64px;
  }
  .stat-num {
    font-size: 13px;
  }
  .stat-label {
    font-size: 11px;
  }
}


/* ===== 增长数据横条板块（growth-bar-） ===== */
.growth-bar-sec {
  position: relative;
  background: #696969;
  padding: 80px 0;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.growth-bar-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 16px;
  width: 100%;
}

/* 顶部区域 */
.growth-bar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 80px;
}

.growth-bar-label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.growth-bar-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0;
}

.growth-bar-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #ffffff, #e0e0e0);
  color: #333;
  font-size: 15px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.growth-bar-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.25);
}

.growth-bar-btn svg {
  transition: transform 0.3s ease;
}

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

/* 分隔线 */
.growth-bar-divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.12);
  margin-bottom: 56px;
}

/* 底部数据区 */
.growth-bar-stats {
  display: flex;
  justify-content: space-between;
  gap: 60px;
}

.growth-bar-stat {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

/* 环形进度 */
.growth-ring {
  position: relative;
  width: 110px;
  height: 110px;
  flex-shrink: 0;
}

.growth-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track {
  fill: none;
  stroke: rgba(255,255,255,0.08);
  stroke-width: 6;
}

.ring-fill {
  fill: none;
  stroke: url(#growthRingGrad);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 327;
  transition: stroke-dashoffset 1.5s ease;
}

/* 白色渐变覆盖 */
.growth-bar-stat .growth-ring .ring-fill {
  stroke: url(#whiteRingGrad);
}

.ring-num {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

/* 统计文字信息 */
.growth-bar-stat-info h4 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
}

.growth-bar-stat-info p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin: 0;
  max-width: 280px;
}

/* SVG渐变定义（通过伪元素注入） */
.growth-bar-sec::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
}

/* H5适配 */
@media (max-width: 1023px) {
  .growth-bar-sec {
    padding: 56px 0;
    min-height: auto;
  }
  .growth-bar-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    margin-bottom: 36px;
  }
  .growth-bar-title {
    font-size: 28px;
  }
  .growth-bar-divider {
    margin-bottom: 40px;
  }
  .growth-bar-stats {
    flex-direction: column;
    gap: 36px;
  }
  .growth-bar-stat {
    gap: 20px;
  }
  .growth-ring {
    width: 90px;
    height: 90px;
  }
  .ring-num {
    font-size: 18px;
  }
  .growth-bar-stat-info h4 {
    font-size: 16px;
  }
  .growth-bar-stat-info p {
    font-size: 13px;
  }
}


/* ===== PNG 图标替换（icon-box 规范：36px宽/高auto/无边框底色/悬停放大1.12） ===== */
.cap-icon, .cap-item-icon, .wh-card-icon {
  width: 36px !important;
  height: auto !important;
  background: none !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s ease;
}
.cap-icon:hover, .cap-item-icon:hover, .wh-card-icon:hover {
  transform: scale(1.12);
}
.cap-icon img, .cap-item-icon img, .wh-card-icon img {
  width: 100%;
  height: auto;
  display: block;
}


/* ===== 特效：方法论大脑图（gr-）与对接齿轮图（dl-visual-gear） ===== */

/* 大脑图：悬浮 + 红色光晕呼吸 */
.gr-brain img {
  animation: brain-float 5s ease-in-out infinite;
  filter: drop-shadow(0 0 22px rgba(124, 92, 255, 0.28));
  transition: filter 0.4s ease;
}
.gr-brain:hover img {
  filter: drop-shadow(0 0 36px rgba(124, 92, 255, 0.42));
}
@keyframes brain-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* 齿轮图：匀速旋转（保留原有 translateX(8.2%) 偏移与投影） */
.dl-visual-gear img {
  animation: gear-spin 24s linear infinite;
  transform-origin: center;
  will-change: transform;
}
.dl-visual-gear:hover img {
  animation-play-state: paused;
}
@keyframes gear-spin {
  from { transform: translateX(8.2%) rotate(0deg); }
  to   { transform: translateX(8.2%) rotate(360deg); }
}

/* 尊重系统减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  .gr-brain img,
  .dl-visual-gear img { animation: none; }
}


/* ===== 五个板块标题统一：#333333 / 0.5px描边，52px仅PC端 ===== */
.cap-title, .gr-title, .wh-title, .dl-title, .qa-title {
  color: #333333;
  -webkit-text-stroke: 0.5px #333333;
}
@media (min-width: 1024px) {
  .cap-title, .gr-title, .wh-title, .dl-title, .qa-title {
    font-size: 52px;
  }
}