/* ==========================================================================
   cgani.cn 站点样式 — 编译版静态 CSS
   替代 cdn.tailwindcss.com 运行时（407KB → ~30KB）
   覆盖范围：index/services/about/contact/article_case/article_new/
             list_case/list_new/header/footer 模板及 CMS 富文本内容
   ========================================================================== */

/* ===== CSS 变量 ===== */
:root {
  --color-primary: #2563EB;
  --color-secondary: #F97316;
  --color-dark: #0F172A;
  --color-dark-light: #1E293B;
  --color-light-gray: #F8FAFC;
}

/* ===== Preflight（基础重置，与 Tailwind v3 保持一致）===== */
*, ::before, ::after { box-sizing: border-box; border-width: 0; border-style: solid; border-color: #e5e7eb; }
::before, ::after { --tw-content: ''; }
html { line-height: 1.5; -webkit-text-size-adjust: 100%; -moz-tab-size: 4; tab-size: 4; font-family: system-ui, -apple-system, "Microsoft YaHei", sans-serif; font-feature-settings: normal; font-variation-settings: normal; -webkit-tap-highlight-color: transparent; }
body { margin: 0; line-height: inherit; }
hr { height: 0; color: inherit; border-top-width: 1px; }
abbr:where([title]) { -webkit-text-decoration: underline dotted; text-decoration: underline dotted; }
h1, h2, h3, h4, h5, h6 { font-size: inherit; font-weight: inherit; }
a { color: inherit; text-decoration: inherit; }
b, strong { font-weight: bolder; }
code, kbd, pre, samp { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 1em; }
small { font-size: 80%; }
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sub { bottom: -0.25em; }
sup { top: -0.5em; }
table { text-indent: 0; border-color: inherit; border-collapse: collapse; }
button, input, optgroup, select, textarea { font-family: inherit; font-size: 100%; font-weight: inherit; line-height: inherit; color: inherit; margin: 0; padding: 0; }
button, select { text-transform: none; }
button, input:where([type=button]), input:where([type=reset]), input:where([type=submit]) { -webkit-appearance: button; background-color: transparent; background-image: none; }
:-moz-focusring { outline: auto; }
:-moz-ui-invalid { box-shadow: none; }
progress { vertical-align: baseline; }
::-webkit-inner-spin-button, ::-webkit-outer-spin-button { height: auto; }
[type=search] { -webkit-appearance: textfield; outline-offset: -2px; }
::-webkit-search-decoration { -webkit-appearance: none; }
::-webkit-file-upload-button { -webkit-appearance: button; font: inherit; }
summary { display: list-item; }
blockquote, dd, dl, figure, h1, h2, h3, h4, h5, h6, hr, p, pre { margin: 0; }
fieldset { margin: 0; padding: 0; }
legend { padding: 0; }
menu, ol, ul { list-style: none; margin: 0; padding: 0; }
dialog { padding: 0; }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { opacity: 1; color: #9ca3af; }
[role=button], button { cursor: pointer; }
:disabled { cursor: default; }
audio, canvas, embed, iframe, img, object, svg, video { display: block; vertical-align: middle; }
img, video { max-width: 100%; height: auto; }
[hidden]:where(:not([hidden=until-found])) { display: none; }

/* ===== 定位 ===== */
.absolute { position: absolute; }
.fixed { position: fixed; }
.relative { position: relative; }
.sticky { position: sticky; }
.inset-0 { inset: 0px; }
.top-0 { top: 0px; }
.top-3 { top: 0.75rem; }
.top-10 { top: 2.5rem; }
.top-full { top: 100%; }
.bottom-0 { bottom: 0px; }
.bottom-10 { bottom: 2.5rem; }
.left-0 { left: 0px; }
.left-3 { left: 0.75rem; }
.left-10 { left: 2.5rem; }
.right-0 { right: 0px; }
.right-10 { right: 2.5rem; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
@media (min-width: 1024px) {
  .lg\:sticky { position: sticky; }
  .lg\:top-24 { top: 6rem; }
}

/* ===== 显示与盒模型 ===== */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.max-w-full { max-width: 100%; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-\[3\/2\] { aspect-ratio: 3 / 2; }
.aspect-square { aspect-ratio: 1 / 1; }

/* ===== Flex 布局 ===== */
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-0\.5 { gap: 0.125rem; }
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-x-3 { column-gap: 0.75rem; }
.gap-y-1 { row-gap: 0.25rem; }
@media (min-width: 1024px) {
  .lg\:flex-row { flex-direction: row; }
  .lg\:items-start { align-items: flex-start; }
  .lg\:gap-6 { gap: 1.5rem; }
  .lg\:gap-8 { gap: 2rem; }
  .lg\:gap-12 { gap: 3rem; }
  .lg\:gap-16 { gap: 4rem; }
}
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
}

/* ===== Grid 布局 ===== */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .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-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\:col-span-1 { grid-column: span 1 / span 1; }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
}

/* ===== 间距（外边距）===== */
.m-0 { margin: 0; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mr-1\.5 { margin-right: 0.375rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.-mt-6 { margin-top: -1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-14 { margin-bottom: 3.5rem; }

/* ===== 间距（内边距）===== */
.p-0 { padding: 0; }
.p-0\.5 { padding: 0.125rem; }
.p-1 { padding: 0.25rem; }
.p-1\.5 { padding: 0.375rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-7 { padding: 1.75rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-8 { padding-top: 2rem; }
.pt-16 { padding-top: 4rem; }
.pt-24 { padding-top: 6rem; }
.pt-32 { padding-top: 8rem; }
.pb-0 { padding-bottom: 0; }
.pb-4 { padding-bottom: 1rem; }
.pb-10 { padding-bottom: 2.5rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-20 { padding-bottom: 5rem; }
@media (min-width: 640px) {
  .sm\:p-5 { padding: 1.25rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .sm\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
}
@media (min-width: 768px) {
  .md\:w-28 { width: 7rem; }
}
@media (min-width: 1024px) {
  .lg\:p-8 { padding: 2rem; }
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
  .lg\:py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
  .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .lg\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
  .lg\:py-28 { padding-top: 7rem; padding-bottom: 7rem; }
  .lg\:pt-18 { padding-top: 4.5rem; }
  .lg\:pt-32 { padding-top: 8rem; }
  .lg\:pt-40 { padding-top: 10rem; }
  .lg\:pb-20 { padding-bottom: 5rem; }
  .lg\:pb-28 { padding-bottom: 7rem; }
}

/* ===== 尺寸 ===== */
.w-3\.5 { width: 0.875rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-28 { width: 7rem; }
.w-64 { width: 16rem; }
.w-72 { width: 18rem; }
.w-80 { width: 20rem; }
.w-96 { width: 24rem; }
.w-full { width: 100%; }
.w-\[72px\] { width: 72px; }
.w-\[200px\] { width: 200px; }
.h-3\.5 { height: 0.875rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-28 { height: 7rem; }
.h-64 { height: 16rem; }
.h-72 { height: 18rem; }
.h-80 { height: 20rem; }
.h-96 { height: 24rem; }
.h-full { height: 100%; }
.h-\[72px\] { height: 72px; }
.h-\[200px\] { height: 200px; }
.max-w-2xl { max-width: 42rem; }
.max-w-container { max-width: 1400px; }
.max-w-xl { max-width: 36rem; }
.max-w-xs { max-width: 20rem; }
.min-w-\[100px\] { min-width: 100px; }
.min-w-\[120px\] { min-width: 120px; }
@media (min-width: 640px) {
  .sm\:h-full { height: 100%; }
  .sm\:w-24 { width: 6rem; }
}
@media (min-width: 1024px) {
  .lg\:w-1\/4 { width: 25%; }
  .lg\:w-2\/5 { width: 40%; }
  .lg\:w-3\/4 { width: 75%; }
  .lg\:w-32 { width: 8rem; }
  .lg\:h-18 { height: 4.5rem; }
}

/* ===== 字体排版 ===== */
.font-sans { font-family: system-ui, -apple-system, "Microsoft YaHei", sans-serif; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.text-center { text-align: center; }
.leading-relaxed { line-height: 1.625; }
.leading-snug { line-height: 1.375; }
.leading-tight { line-height: 1.25; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.no-underline { text-decoration-line: none; }
.not-italic { font-style: normal; }
@media (min-width: 640px) {
  .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:text-5xl { font-size: 3rem; line-height: 1; }
}
@media (min-width: 1024px) {
  .lg\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .lg\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .lg\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .lg\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .lg\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .lg\:text-5xl { font-size: 3rem; line-height: 1; }
  .lg\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

/* ===== 文字颜色 ===== */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-dark { color: var(--color-dark); }
.text-white { color: #fff; }
.text-white\/70 { color: rgb(255 255 255 / 0.7); }
.text-white\/75 { color: rgb(255 255 255 / 0.75); }
.text-white\/80 { color: rgb(255 255 255 / 0.8); }
.text-white\/90 { color: rgb(255 255 255 / 0.9); }
.text-blue-100\/80 { color: rgb(219 234 254 / 0.8); }
.text-blue-200 { color: #BFDBFE; }
.text-blue-600 { color: #2563EB; }
.text-cyan-600 { color: #0891B2; }
.text-gray-300 { color: #D1D5DB; }
.text-gray-400 { color: #9CA3AF; }
.text-gray-500 { color: #6B7280; }
.text-gray-600 { color: #4B5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1F2937; }
.text-green-500 { color: #22C55E; }
.text-green-600 { color: #16A34A; }
.text-indigo-600 { color: #4F46E5; }
.text-pink-500 { color: #EC4899; }
.text-purple-600 { color: #9333EA; }
.text-red-500 { color: #EF4444; }

/* ===== 背景颜色 ===== */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-dark { background-color: var(--color-dark); }
.bg-lightGray { background-color: var(--color-light-gray); }
.bg-white { background-color: #fff; }
.bg-white\/5 { background-color: rgb(255 255 255 / 0.05); }
.bg-black\/40 { background-color: rgb(0 0 0 / 0.4); }
.bg-blue-50 { background-color: #EFF6FF; }
.bg-blue-600 { background-color: #2563EB; }
.bg-cyan-50 { background-color: #ECFEFF; }
.bg-gray-50 { background-color: #F9FAFB; }
.bg-gray-200 { background-color: #E5E7EB; }
.bg-green-50 { background-color: #F0FDF4; }
.bg-indigo-50 { background-color: #EEF2FF; }
.bg-orange-50 { background-color: #FFF7ED; }
.bg-orange-500 { background-color: #F97316; }
.bg-pink-50 { background-color: #FDF2F8; }
.bg-purple-50 { background-color: #FAF5FF; }
.bg-red-50 { background-color: #FEF2F2; }
.bg-slate-800\/95 { background-color: rgb(30 41 59 / 0.95); }
.bg-slate-900\/95 { background-color: rgb(15 23 42 / 0.95); }

/* ===== 渐变 ===== */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops, #2563EB, #1D4ED8)); }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops, #2563EB, #1D4ED8)); }
.from-primary { --tw-gradient-from: #2563EB; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgb(37 99 235 / 0)); }
.to-blue-700 { --tw-gradient-to: #1D4ED8; }

/* ===== 边框 ===== */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-b { border-bottom-width: 1px; }
.border-l-3 { border-left-width: 3px; }
.border-gray-100 { border-color: #F3F4F6; }
.border-gray-200 { border-color: #E5E7EB; }
.border-gray-700\/50 { border-color: rgb(55 65 81 / 0.5); }
.border-orange-100 { border-color: #FFEDD5; }
.border-primary { border-color: var(--color-primary); }
.border-transparent { border-color: transparent; }
.border-white { border-color: #fff; }
.border-white\/10 { border-color: rgb(255 255 255 / 0.1); }
.border-white\/40 { border-color: rgb(255 255 255 / 0.4); }
.divide-y > :not([hidden]) ~ :not([hidden]) { border-top-width: 1px; }
.divide-gray-50 > :not([hidden]) ~ :not([hidden]) { border-color: #F9FAFB; }

/* ===== 圆角与阴影 ===== */
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.shadow { box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1); }
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }

/* ===== 滤镜与透明度 ===== */
.blur-3xl { filter: blur(64px); }
.filter { filter: var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia); }
.opacity-0 { opacity: 0; }
.opacity-10 { opacity: 0.1; }
.backdrop-blur-sm { backdrop-filter: blur(4px); }

/* ===== 变换与过渡 ===== */
.scale-95 { transform: scale(0.95); }
.translate-x-1\/2 { transform: translateX(50%); }
.translate-x-1\/3 { transform: translateX(33.333333%); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.-translate-x-1\/4 { transform: translateX(-25%); }
.translate-y-1\/2 { transform: translateY(50%); }
.translate-y-1\/3 { transform: translateY(33.333333%); }
.-translate-y-1\/2 { transform: translateY(-50%); }
.-translate-y-1\/3 { transform: translateY(-33.333333%); }
.origin-top-left { transform-origin: top left; }
.transition-all { transition: all 0.3s ease; }
.transition-colors { transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease; }
.transition-opacity { transition: opacity 0.3s ease; }
.transition-shadow { transition: box-shadow 0.3s ease; }
.transition-transform { transition: transform 0.3s ease; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
@media (prefers-reduced-motion: reduce) {
  .transition-all, .transition-colors, .transition-opacity, .transition-shadow, .transition-transform { transition: none; }
}

/* ===== 交互状态：hover ===== */
.hover\:bg-blue-50:hover { background-color: #EFF6FF; }
.hover\:bg-blue-700:hover { background-color: #1D4ED8; }
.hover\:bg-gray-50:hover { background-color: #F9FAFB; }
.hover\:bg-orange-600:hover { background-color: #EA580C; }
.hover\:bg-primary:hover { background-color: var(--color-primary); }
.hover\:bg-white:hover { background-color: #fff; }
.hover\:bg-white\/10:hover { background-color: rgb(255 255 255 / 0.1); }
.hover\:bg-white\/5:hover { background-color: rgb(255 255 255 / 0.05); }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
.hover\:text-blue-600:hover { color: #2563EB; }
.hover\:text-blue-700:hover { color: #1D4ED8; }
.hover\:text-orange-500:hover { color: #F97316; }
.hover\:text-primary:hover { color: var(--color-primary); }
.hover\:text-white:hover { color: #fff; }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }

/* ===== 交互状态：focus ===== */
.focus\:outline-none:focus { outline: none; }
.focus-visible\:ring-2:focus-visible { box-shadow: 0 0 0 2px var(--color-primary); }

/* ===== 交互状态：group-hover ===== */
.group:hover .group-hover\:bg-cyan-600 { background-color: #0891B2; }
.group:hover .group-hover\:bg-green-600 { background-color: #16A34A; }
.group:hover .group-hover\:bg-indigo-600 { background-color: #4F46E5; }
.group:hover .group-hover\:bg-pink-500 { background-color: #EC4899; }
.group:hover .group-hover\:bg-primary { background-color: var(--color-primary); }
.group:hover .group-hover\:bg-purple-600 { background-color: #9333EA; }
.group:hover .group-hover\:bg-red-500 { background-color: #EF4444; }
.group:hover .group-hover\:bg-secondary { background-color: var(--color-secondary); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:text-blue-600 { color: #2563EB; }
.group:hover .group-hover\:text-primary { color: var(--color-primary); }
.group:hover .group-hover\:text-white { color: #fff; }
.group:hover .group-hover\:-translate-x-0\.5 { transform: translateX(-0.125rem); }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.group:hover .group-hover\:shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }

/* ===== 交互状态：group-open（城市分站下拉）===== */
.group-open\:opacity-100[open] .group-open\:opacity-100,
details.group[open] .group-open\:opacity-100 { opacity: 1; }
details.group[open] .group-open\:pointer-events-auto { pointer-events: auto; }
details.group[open] .group-open\:rotate-45 { transform: rotate(45deg); }
details.group[open] .group-open\:scale-100 { transform: scale(1); }
details.group[open] > summary .group-open\:rotate-45 { transform: rotate(45deg); }

/* ===== Space（子元素间距）===== */
.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.25rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.625rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }
.space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.5rem; }
.space-x-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.625rem; }
.space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }

/* ===== Order 与补充间距 ===== */
@media (min-width: 1024px) {
  .lg\:order-1 { order: 1; }
  .lg\:order-2 { order: 2; }
  .lg\:ml-5 { margin-left: 1.25rem; }
  .lg\:ml-12 { margin-left: 3rem; }
  .lg\:-ml-6 { margin-left: -1.5rem; }
}

/* ===== 补充边框颜色 ===== */
.border-l-primary { border-left-color: var(--color-primary); }
.hover\:border-l-primary:hover { border-left-color: var(--color-primary); }

/* ===== 其他工具类 ===== */
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.list-none { list-style: none; }
.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.overflow-hidden { overflow: hidden; }
.pointer-events-none { pointer-events: none; }

/* ==========================================================================
   自定义组件样式（从各模板内联 <style> 整合）
   ========================================================================== */

/* 导航栏滚动阴影 */
.nav-scrolled { box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1); }

/* 移动端菜单 */
.mobile-menu { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.mobile-menu.open { max-height: 500px; }

/* 页脚栅格 */
@media (min-width: 640px) {
  .footer-custom { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-custom { grid-template-columns: minmax(300px, 1.5fr) 1fr 1fr 1fr auto; }
}

/* 跳转链接（无障碍）*/
.skip-link {
  position: absolute; top: -100px; left: 0;
  background: #2563EB; color: #fff;
  padding: 10px 20px; z-index: 100;
  border-radius: 0 0 8px 0;
  text-decoration: none; font-size: 14px;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid #2563EB;
  outline-offset: 2px;
  border-radius: 4px;
}

/* 案例卡片 */
.case-card, .case-card img { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12); }
.case-card:hover img { transform: scale(1.05); }
.case-card .case-img { transition: transform 0.3s ease; }
.case-card:hover .case-img { transform: scale(1.05); }
.case-card.hidden-card { display: none; }
.case-card > .relative.overflow-hidden { aspect-ratio: 3 / 2; }
.case-card > .relative.overflow-hidden img { width: 100% !important; height: 100% !important; object-fit: cover; }

/* 文章页相关案例网格 — 用属性选择器避免转义问题 */
[class*="grid-cols-1"][class*="sm:grid-cols-2"][class*="lg:grid-cols-4"] { grid-template-columns: 1fr !important; }
@media (min-width: 640px) {
  [class*="grid-cols-1"][class*="sm:grid-cols-2"][class*="lg:grid-cols-4"] { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (min-width: 1024px) {
  [class*="grid-cols-1"][class*="sm:grid-cols-2"][class*="lg:grid-cols-4"] { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}

/* 案例链接箭头 */
.case-link:hover .case-arrow { transform: translateX(4px); }
.case-arrow { transition: transform 0.3s ease; }

/* 新闻卡片 */
.news-card { transition: all 0.3s ease; }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12); }

/* 相关新闻卡片 */
.related-news-card { transition: all 0.3s ease; }
.related-news-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1); }

/* 侧边栏新闻项 */
.sidebar-news-item:hover { background-color: #EFF6FF; }
.sidebar-news-item.active { background-color: #EFF6FF; border-left-color: #2563EB; }

/* 联系页卡片 */
.contact-card { transition: all 0.3s ease; }
.contact-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1); }

/* 关于页卡片 */
.advantage-card, .target-card, .advantage-card .icon-wrap, .target-card .target-icon-wrap { transition: all 0.3s ease; }
.advantage-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12); }
.advantage-card:hover .icon-wrap { background-color: #2563EB; color: #fff; }
.target-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12); }
.target-card:hover .target-icon-wrap { background-color: #2563EB; color: #fff; }

/* 案例列表页筛选标签 */
.hero-filter-tag {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  transition: all 0.3s ease;
}
.hero-filter-tag:hover { border-color: #fff; background-color: rgba(255, 255, 255, 0.15); }
.hero-filter-tag.active { background-color: #fff; color: #2563EB; border-color: #fff; font-weight: 500; }

/* 服务流程步骤 */
.process-step { position: relative; }
.process-step .step-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
}
.process-step:not(:last-child)::after {
  content: ''; position: absolute;
  top: 20px; left: calc(50% + 24px); right: calc(-50% + 24px);
  height: 2px; background: #E5E7EB; z-index: 0;
}
@media (max-width: 1023px) {
  .process-step:not(:last-child)::after { display: none; }
}

/* 滚动渐入动画 — 默认可见，避免 JS 未执行时内容丢失 */
.fade-in-up {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .fade-in-up { opacity: 1; transform: none; transition: none; }
}

/* 城市分站导航 */
.city-province summary::-webkit-details-marker,
.city-city summary::-webkit-details-marker { display: none; }
.city-province summary::marker,
.city-city summary::marker { display: none; content: ''; }

/* ==========================================================================
   CMS 富文本内容排版（article-content / services-container）
   ========================================================================== */
.article-content { word-break: break-word; overflow-wrap: break-word; max-width: 100% !important; overflow-x: hidden; }
.article-content * { max-width: 100% !important; box-sizing: border-box !important; word-break: break-word !important; overflow-wrap: break-word !important; }
.article-content img { max-width: 100% !important; width: auto !important; height: auto !important; display: block; margin: 1rem auto; border-radius: 0.5rem; }
.article-content p { margin: 0.75rem 0; line-height: 1.8; font-size: 16px; color: #374151; white-space: normal !important; width: auto !important; }
.article-content h1, .article-content h2, .article-content h3,
.article-content h4, .article-content h5, .article-content h6 {
  font-weight: 700; margin: 1.5rem 0 0.75rem; color: #0F172A; line-height: 1.4;
}
.article-content h1 { font-size: 1.75rem; }
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content h4 { font-size: 1.125rem; }
.article-content ul, .article-content ol { margin: 0.75rem 0; padding-left: 1.5rem; list-style: revert; }
.article-content ul li { list-style: disc; margin: 0.5rem 0; }
.article-content ol li { list-style: decimal; margin: 0.5rem 0; }
.article-content li { margin: 0.5rem 0; line-height: 1.8; color: #374151; }
.article-content a { color: #2563EB; text-decoration: underline; }
.article-content table { width: 100% !important; border-collapse: collapse; margin: 1rem 0; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.article-content table th, .article-content table td { border: 1px solid #e5e7eb; padding: 0.5rem 0.75rem; text-align: left; white-space: nowrap; max-width: 300px !important; }
.article-content table th { background: #f8fafc; font-weight: 600; }
.article-content video, .article-content iframe { max-width: 100% !important; width: 100% !important; height: auto !important; border-radius: 0.5rem; margin: 1rem 0; }
.article-content blockquote {
  border-left: 4px solid #2563EB; padding: 0.75rem 1rem; margin: 1rem 0;
  color: #6b7280; background: #f0f9ff; border-radius: 0 0.5rem 0.5rem 0;
}
.article-content pre { background: #1e293b; color: #e2e8f0; padding: 1rem; border-radius: 0.5rem; overflow-x: auto; font-size: 14px; }
.article-content code { font-size: 14px; }
.article-content div, .article-content section, .article-content article,
.article-content span, .article-content figure { max-width: 100% !important; width: auto !important; }

/* 服务详情页富文本 */
#services-container { font-size: 1rem; line-height: 1.85; color: #334155; word-break: break-word; }
#services-container > *:first-child { margin-top: 0; }
#services-container h1 { font-size: 2rem; font-weight: 700; color: #0F172A; margin: 2.5rem 0 1.25rem; line-height: 1.3; }
#services-container h2 { font-size: 1.5rem; font-weight: 700; color: #0F172A; margin: 2.25rem 0 1rem; padding-left: 0.875rem; border-left: 5px solid #2563EB; line-height: 1.4; }
#services-container h3 { font-size: 1.25rem; font-weight: 600; color: #1E293B; margin: 1.75rem 0 0.75rem; }
#services-container h4 { font-size: 1.125rem; font-weight: 600; color: #1E293B; margin: 1.5rem 0 0.625rem; }
#services-container h5, #services-container h6 { font-size: 1rem; font-weight: 600; color: #334155; margin: 1.25rem 0 0.5rem; }
#services-container p { margin: 0 0 1rem; }
#services-container ul, #services-container ol { margin: 0 0 1.25rem; padding-left: 1.6rem; list-style: revert; }
#services-container ul li { list-style: disc; margin: 0.3rem 0; }
#services-container ol li { list-style: decimal; margin: 0.3rem 0; }
#services-container img { max-width: 100%; height: auto; border-radius: 0.625rem; margin: 1.25rem 0; display: block; }
#services-container a { color: #2563EB; text-decoration: underline; }

/* 移动端富文本适配 */
@media (max-width: 640px) {
  .article-content p { font-size: 15px; line-height: 1.75; }
  .article-content h1 { font-size: 1.5rem; }
  .article-content h2 { font-size: 1.3rem; }
  .article-content h3 { font-size: 1.15rem; }
  .article-content li { font-size: 15px; }
  .article-content [style*="width"] { width: auto !important; max-width: 100% !important; }
  .article-content [style*="margin-left"], .article-content [style*="padding-left"] { margin-left: 0 !important; padding-left: 0.5rem !important; }
}

/* ===== 线上首页补充类（index.html v2 新增工具类）===== */

/* Display */
.lg\:hidden { display: none; }
.hidden { display: none; }
@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:flex { display: flex; }
  .lg\:inline-flex { display: inline-flex; }
  .lg\:block { display: block; }
}

/* Flexbox */
@media (min-width: 1024px) {
  .lg\:items-start { align-items: flex-start; }
}

/* Grid */
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Gap */
.gap-0\.5 { gap: 0.125rem; }
.gap-1\.5 { gap: 0.375rem; }
@media (min-width: 640px) { .sm\:flex-row { flex-direction: row; } }
@media (min-width: 1024px) {
  .lg\:gap-7 { gap: 1.75rem; }
  .lg\:gap-8 { gap: 2rem; }
  .lg\:gap-16 { gap: 4rem; }
}

/* Spacing */
.mb-1\.5 { margin-bottom: 0.375rem; }
.ml-1\.5 { margin-left: 0.375rem; }
.mr-1\.5 { margin-right: 0.375rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.space-x-1 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.25rem; }
.space-x-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.625rem; }
.space-y-2\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.625rem; }
@media (min-width: 640px) { .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) {
  .lg\:mb-16 { margin-bottom: 4rem; }
  .lg\:ml-5 { margin-left: 1.25rem; }
  .lg\:ml-12 { margin-left: 3rem; }
  .lg\:p-8 { padding: 2rem; }
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
  .lg\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .lg\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .lg\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
}

/* Sizing */
.h-1 { height: 0.25rem; }
.h-2 { height: 0.5rem; }
.w-2 { width: 0.5rem; }
.w-8 { width: 2rem; }
.h-\[72px\] { height: 72px; }
.w-\[72px\] { width: 72px; }
.min-h-screen { min-height: 100vh; }
.min-w-\[120px\] { min-width: 120px; }
@media (min-width: 1024px) {
  .lg\:h-16 { height: 4rem; }
  .lg\:h-18 { height: 4.5rem; }
  .lg\:w-16 { width: 4rem; }
  .lg\:w-2\/5 { width: 40%; }
  .lg\:w-3\/5 { width: 60%; }
}

/* Typography */
.font-extrabold { font-weight: 800; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }
.text-transparent { color: transparent; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-blue-100\/80 { color: rgba(219, 234, 254, 0.8); }
.text-blue-100 { color: #DBEAFE; }
.text-blue-100\/90 { color: rgba(219, 234, 254, 0.9); }
.text-blue-300 { color: #93C5FD; }
.text-white\/80 { color: rgba(255, 255, 255, 0.8); }
.text-white\/85 { color: rgba(255, 255, 255, 0.85); }
@media (min-width: 640px) {
  .sm\:text-2xl { font-size: 1.5rem; }
  .sm\:text-5xl { font-size: 3rem; }
  .sm\:text-lg { font-size: 1.125rem; }
}
@media (min-width: 1024px) {
  .lg\:text-4xl { font-size: 2.25rem; }
  .lg\:text-6xl { font-size: 3.75rem; }
  .lg\:text-left { text-align: left; }
  .lg\:text-lg { font-size: 1.125rem; }
  .lg\:text-sm { font-size: 0.875rem; }
  .lg\:text-xl { font-size: 1.25rem; }
}
@media (min-width: 1280px) {
  .xl\:text-5xl { font-size: 3rem; }
}

/* Colors */
.bg-blue-400 { background-color: #60A5FA; }
.bg-dark\/70 { background-color: rgba(15, 23, 42, 0.7); }
.bg-slate-800\/95 { background-color: rgba(30, 41, 59, 0.95); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.bg-white\/5 { background-color: rgba(255, 255, 255, 0.05); }
.border-gray-700\/50 { border-color: rgba(55, 65, 81, 0.5) !important; }
.border-t { border-top-width: 1px; }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }

/* Gradients */
.bg-clip-text { -webkit-background-clip: text; background-clip: text; }
.bg-gradient-to-l { background-image: linear-gradient(to left, var(--tw-gradient-stops)); }
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-\[\#2b5fe3\] { --tw-gradient-from: #2b5fe3; --tw-gradient-to: rgba(43, 95, 227, 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-blue-400 { --tw-gradient-from: #60A5FA; --tw-gradient-to: rgba(96, 165, 250, 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-blue-600 { --tw-gradient-from: #2563EB; --tw-gradient-to: rgba(37, 99, 235, 0); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.to-\[\#153db3\] { --tw-gradient-to: #153db3; }
.to-blue-600 { --tw-gradient-to: #2563EB; }
.to-indigo-600 { --tw-gradient-to: #4F46E5; }
.via-\[\#214fce\] { --tw-gradient-stops: var(--tw-gradient-from), #214fce, var(--tw-gradient-to); }

/* Position */
.bottom-20 { bottom: 5rem; }
.top-20 { top: 5rem; }
.z-0 { z-index: 0; }
.z-\[1\] { z-index: 1; }
.z-\[2\] { z-index: 2; }

/* Transform */
.translate-x-1\/2 { transform: translateX(50%); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.translate-y-1\/2 { transform: translateY(50%); }
.-translate-y-1\/2 { transform: translateY(-50%); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }

/* Hover states */
.hover\:bg-gray-50:hover { background-color: #F9FAFB; }
.hover\:bg-orange-600:hover { background-color: #EA580C; }
.hover\:bg-primary:hover { background-color: var(--color-primary); }
.hover\:bg-white:hover { background-color: #ffffff; }
.hover\:bg-white\/5:hover { background-color: rgba(255, 255, 255, 0.05); }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.hover\:text-blue-700:hover { color: #1D4ED8; }
.hover\:text-orange-500:hover { color: #F97316; }
.hover\:text-primary:hover { color: var(--color-primary); }
.hover\:text-white:hover { color: #ffffff; }
.group:hover .group-hover\:text-primary { color: var(--color-primary); }

/* Focus */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus-visible\:ring-2:focus-visible { box-shadow: 0 0 0 2px var(--color-primary); }

/* Group open (details/summary) */
.group-open\:opacity-100 { opacity: 0; transition: opacity 0.3s ease; }
.group.open .group-open\:opacity-100 { opacity: 1; }
.group-open\:pointer-events-auto { pointer-events: none; }
.group.open .group-open\:pointer-events-auto { pointer-events: auto; }
.group-open\:scale-100 { transform: scale(0.95); transition: transform 0.3s ease; }
.group.open .group-open\:scale-100 { transform: scale(1); }

/* city-toggle-icon (城市分站折叠图标) */
.city-toggle-icon { transition: transform 0.3s ease; display: inline-block; }
.city-toggle-icon.open { transform: rotate(180deg); }

/* 透明度 */
.opacity-90 { opacity: 0.9; }
.opacity-10 { opacity: 0.1; }

/* 键盘焦点可见性 */
:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-radius: 3px;
}
a:focus-visible, button:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 0;
}

/* CTA 按钮和装饰 */
.drop-shadow-md { filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.05)); }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.cta-button-primary:hover { background-color: rgba(255, 255, 255, 0.1); }
.cta-button-phone:hover { opacity: 0.9; }