:root {
  --cc-primary: #ff6b35;
  --cc-primary-dark: #e8551f;
  --cc-primary-light: #ff8c5a;
  --cc-secondary: #6c5ce7;
  --cc-accent: #00d2a8;
  --cc-warning: #ffd93d;
  --cc-danger: #ff4757;
  --cc-bg: #f7f8fc;
  --cc-bg-alt: #ffffff;
  --cc-bg-soft: #eef1f8;
  --cc-text: #1a1d2b;
  --cc-text-soft: #4a4f66;
  --cc-text-muted: #8a90a6;
  --cc-border: rgba(26, 29, 43, 0.08);
  --cc-glass: rgba(255, 255, 255, 0.72);
  --cc-glass-strong: rgba(255, 255, 255, 0.88);
  --cc-shadow-sm: 0 2px 8px rgba(26, 29, 43, 0.06);
  --cc-shadow: 0 8px 30px rgba(26, 29, 43, 0.08);
  --cc-shadow-lg: 0 20px 50px rgba(26, 29, 43, 0.12);
  --cc-shadow-primary: 0 12px 32px rgba(255, 107, 53, 0.28);
  --cc-radius-sm: 10px;
  --cc-radius: 18px;
  --cc-radius-lg: 28px;
  --cc-radius-pill: 999px;
  --cc-grad-hero: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 35%, #6c5ce7 100%);
  --cc-grad-brand: linear-gradient(120deg, #ff6b35 0%, #ff4757 50%, #6c5ce7 100%);
  --cc-grad-soft: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(108, 92, 231, 0.12));
  --cc-grad-accent: linear-gradient(135deg, #00d2a8, #00b4d8);
  --cc-transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --cc-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --cc-bg: #0e1018;
    --cc-bg-alt: #161a26;
    --cc-bg-soft: #1d2233;
    --cc-text: #eef1f8;
    --cc-text-soft: #b8bed4;
    --cc-text-muted: #7a8199;
    --cc-border: rgba(255, 255, 255, 0.08);
    --cc-glass: rgba(22, 26, 38, 0.72);
    --cc-glass-strong: rgba(22, 26, 38, 0.9);
    --cc-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --cc-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    --cc-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --cc-shadow-primary: 0 12px 32px rgba(255, 107, 53, 0.35);
  }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--cc-font);
  background-color: var(--cc-bg);
  color: var(--cc-text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255, 107, 53, 0.08), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(108, 92, 231, 0.08), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(0, 210, 168, 0.06), transparent 50%);
  background-attachment: fixed;
}

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

a {
  color: var(--cc-primary);
  text-decoration: none;
  transition: color var(--cc-transition), opacity var(--cc-transition);
}

a:hover {
  color: var(--cc-primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cc-text);
}

h1 { font-size: clamp(1.75rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3.2vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.5rem); }

p {
  color: var(--cc-text-soft);
  margin-bottom: 0.85em;
}

::selection {
  background: var(--cc-primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--cc-bg-soft);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cc-primary), var(--cc-secondary));
  border-radius: var(--cc-radius-pill);
  border: 2px solid var(--cc-bg-soft);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cc-primary-dark);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--cc-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--cc-border);
  box-shadow: var(--cc-shadow-sm);
  animation: ccSlideDown 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes ccSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

header nav {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

header nav > a:first-child {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: var(--cc-grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  white-space: nowrap;
  position: relative;
  padding-left: 1.6rem;
  transition: transform var(--cc-transition);
}

header nav > a:first-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--cc-grad-brand);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
  animation: ccPulse 2.4s ease-in-out infinite;
}

@keyframes ccPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18); }
  50% { box-shadow: 0 0 0 9px rgba(255, 107, 53, 0.05); }
}

header nav > a:first-child:hover {
  transform: scale(1.04);
}

header nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  flex: 1 1 auto;
}

header nav ul li a {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border-radius: var(--cc-radius-pill);
  color: var(--cc-text-soft);
  font-size: 0.92rem;
  font-weight: 600;
  position: relative;
  transition: color var(--cc-transition), background var(--cc-transition), transform var(--cc-transition);
}

header nav ul li a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cc-grad-brand);
  transform: translateX(-50%);
  transition: width var(--cc-transition);
}

header nav ul li a:hover {
  color: var(--cc-primary);
  background: rgba(255, 107, 53, 0.08);
  transform: translateY(-2px);
}

header nav ul li a:hover::after {
  width: 60%;
}

header nav form[role="search"] {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--cc-glass-strong);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-pill);
  padding: 0.28rem 0.28rem 0.28rem 0.9rem;
  box-shadow: var(--cc-shadow-sm);
  transition: box-shadow var(--cc-transition), border-color var(--cc-transition), transform var(--cc-transition);
}

header nav form[role="search"]:focus-within {
  border-color: var(--cc-primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.15), var(--cc-shadow);
  transform: translateY(-1px);
}

header nav form[role="search"] label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

header nav form[role="search"] input[type="search"] {
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--cc-text);
  padding: 0.4rem 0.2rem;
  width: 180px;
  transition: width var(--cc-transition);
}

header nav form[role="search"] input[type="search"]::placeholder {
  color: var(--cc-text-muted);
}

header nav form[role="search"] input[type="search"]:focus {
  width: 220px;
}

header nav form[role="search"] button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  background: var(--cc-grad-brand);
  padding: 0.5rem 1.15rem;
  border-radius: var(--cc-radius-pill);
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), filter var(--cc-transition);
  white-space: nowrap;
}

header nav form[role="search"] button:hover {
  transform: translateY(-2px);
  box-shadow: var(--cc-shadow-primary);
  filter: brightness(1.05);
}

header nav form[role="search"] button:active {
  transform: translateY(0) scale(0.97);
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

main > nav[aria-label="面包屑"] {
  margin-bottom: 1.5rem;
}

main > nav[aria-label="面包屑"] ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--cc-text-muted);
}

main > nav[aria-label="面包屑"] ol li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

main > nav[aria-label="面包屑"] ol li:not(:last-child)::after {
  content: "›";
  color: var(--cc-text-muted);
  font-weight: 700;
}

main > nav[aria-label="面包屑"] ol li a {
  color: var(--cc-text-soft);
  padding: 0.2rem 0.5rem;
  border-radius: var(--cc-radius-sm);
  transition: background var(--cc-transition), color var(--cc-transition);
}

main > nav[aria-label="面包屑"] ol li a:hover {
  background: rgba(255, 107, 53, 0.1);
  color: var(--cc-primary);
}

section {
  margin-bottom: 2.5rem;
  animation: ccFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-timeline: view();
  animation-range: entry 0% cover 28%;
}

@keyframes ccFadeUp {
  from { opacity: 0; transform: translateY(38px); }
  to { opacity: 1; transform: translateY(0); }
}

@supports not (animation-timeline: view()) {
  section {
    animation: ccFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

section > h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1.4rem;
  padding-left: 1.1rem;
}

section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1.1em;
  border-radius: var(--cc-radius-pill);
  background: var(--cc-grad-brand);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
}

section > h3 {
  margin: 1.4rem 0 0.6rem;
  color: var(--cc-text);
}

#hero {
  position: relative;
  border-radius: var(--cc-radius-lg);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  background: var(--cc-grad-hero);
  background-size: 200% 200%;
  animation: ccGradShift 12s ease infinite, ccFadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  color: #fff;
  overflow: hidden;
  box-shadow: var(--cc-shadow-lg);
  isolation: isolate;
}

@keyframes ccGradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.22), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(0, 210, 168, 0.25), transparent 50%);
  z-index: -1;
}

#hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 55%;
  height: 180%;
  background: rgba(255, 255, 255, 0.08);
  transform: rotate(24deg);
  border-radius: 40%;
  z-index: -1;
  animation: ccFloat 9s ease-in-out infinite;
}

@keyframes ccFloat {
  0%, 100% { transform: rotate(24deg) translateY(0); }
  50% { transform: rotate(24deg) translateY(-24px); }
}

#hero h1 {
  color: #fff;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  margin-bottom: 0.75rem;
  max-width: 22ch;
}

#hero p {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  max-width: 62ch;
  margin-bottom: 1.5rem;
}

#hero > div {
  border-radius: var(--cc-radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform var(--cc-transition), box-shadow var(--cc-transition);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#hero > div:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}

#hero svg {
  width: 100%;
  height: auto;
  border-radius: var(--cc-radius);
}

#brand, #products, #advantages, #solutions, #applications, #cases,
#testimonials, #news, #articles, #howto, #faq, #contact, #team,
#update, #security, #links {
  background: var(--cc-bg-alt);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-lg);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  box-shadow: var(--cc-shadow);
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), border-color var(--cc-transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#brand:hover, #products:hover, #advantages:hover, #solutions:hover,
#applications:hover, #cases:hover, #testimonials:hover, #news:hover,
#articles:hover, #howto:hover, #faq:hover, #contact:hover, #team:hover,
#update:hover, #security:hover, #links:hover {
  transform: translateY(-4px);
  box-shadow: var(--cc-shadow-lg);
  border-color: rgba(255, 107, 53, 0.25);
}

#brand h3::before,
#products h3::before,
#solutions h3::before,
#cases h3::before,
#howto h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--cc-grad-accent);
  vertical-align: middle;
  box-shadow: 0 0 0 4px rgba(0, 210, 168, 0.15);
}

#products {
  background: var(--cc-bg-alt);
}

#products h3 {
  padding: 0.85rem 1rem;
  border-radius: var(--cc-radius);
  background: var(--cc-grad-soft);
  border-left: 4px solid var(--cc-primary);
  transition: transform var(--cc-transition), background var(--cc-transition);
}

#products h3:hover {
  transform: translateX(6px);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.18), rgba(108, 92, 231, 0.18));
}

#advantages ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

#advantages ul li {
  position: relative;
  padding: 1rem 1rem 1rem 3rem;
  border-radius: var(--cc-radius);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-soft);
  font-weight: 500;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), background var(--cc-transition), color var(--cc-transition);
}

#advantages ul li::before {
  content: "✓";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cc-grad-accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(0, 210, 168, 0.35);
}

#advantages ul li:hover {
  transform: translateY(-5px);
  background: var(--cc-bg-alt);
  color: var(--cc-text);
  box-shadow: var(--cc-shadow);
}

#solutions > h3 {
  padding: 1rem 1.15rem;
  border-radius: var(--cc-radius);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  transition: border-color var(--cc-transition), transform var(--cc-transition), box-shadow var(--cc-transition);
}

#solutions > h3:hover {
  border-color: var(--cc-secondary);
  transform: translateY(-3px);
  box-shadow: var(--cc-shadow);
}

#cases article,
#news article,
#articles article {
  padding: 1.25rem 1.35rem;
  border-radius: var(--cc-radius);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  margin-bottom: 1rem;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), border-color var(--cc-transition), background var(--cc-transition);
  position: relative;
  overflow: hidden;
}

#cases article::before,
#news article::before,
#articles article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cc-grad-brand);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--cc-transition);
}

#cases article:hover::before,
#news article:hover::before,
#articles article:hover::before {
  transform: scaleY(1);
}

#cases article:hover,
#news article:hover,
#articles article:hover {
  transform: translateX(8px);
  background: var(--cc-bg-alt);
  border-color: rgba(255, 107, 53, 0.3);
  box-shadow: var(--cc-shadow);
}

#news article h3,
#articles article h3,
#cases article h3 {
  margin-bottom: 0.35rem;
  transition: color var(--cc-transition);
}

#news article:hover h3,
#articles article:hover h3,
#cases article:hover h3 {
  color: var(--cc-primary);
}

#news article p:first-of-type,
#articles article p:first-of-type {
  font-size: 0.82rem;
  color: var(--cc-text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

#news article a,
#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--cc-radius-pill);
  background: rgba(255, 107, 53, 0.1);
  transition: background var(--cc-transition), transform var(--cc-transition), gap var(--cc-transition);
}

#news article a::after,
#articles article a::after {
  content: "→";
  transition: transform var(--cc-transition);
}

#news article a:hover,
#articles article a:hover {
  background: var(--cc-grad-brand);
  color: #fff;
  transform: translateY(-2px);
  gap: 0.6rem;
}

#news article a:hover::after,
#articles article a:hover::after {
  transform: translateX(3px);
}

#testimonials blockquote {
  position: relative;
  padding: 1.35rem 1.5rem 1.35rem 3.25rem;
  border-radius: var(--cc-radius);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  margin-bottom: 1rem;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), background var(--cc-transition);
}

#testimonials blockquote::before {
  content: "“";
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 900;
  background: var(--cc-grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  opacity: 0.85;
}

#testimonials blockquote p {
  margin: 0;
  font-style: italic;
  color: var(--cc-text-soft);
}

#testimonials blockquote:hover {
  transform: translateY(-4px) scale(1.01);
  background: var(--cc-bg-alt);
  box-shadow: var(--cc-shadow);
}

#howto ol {
  counter-reset: cc-step;
  display: grid;
  gap: 0.75rem;
  margin: 0.75rem 0 1.25rem;
}

#howto ol li {
  counter-increment: cc-step;
  position: relative;
  padding: 0.85rem 1rem 0.85rem 3.25rem;
  border-radius: var(--cc-radius);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-soft);
  font-weight: 500;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), border-color var(--cc-transition);
}

#howto ol li::before {
  content: counter(cc-step);
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.7rem;
  height: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cc-grad-brand);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}

#howto ol li:hover {
  transform: translateX(6px);
  border-color: var(--cc-primary);
  box-shadow: var(--cc-shadow-sm);
}

#howto ul {
  display: grid;
  gap: 0.5rem;
  margin: 0.5rem 0 1rem;
}

#howto ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--cc-text-soft);
}

#howto ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cc-accent);
  box-shadow: 0 0 0 3px rgba(0, 210, 168, 0.18);
}

#faq dl {
  display: grid;
  gap: 0.75rem;
}

#faq dt {
  position: relative;
  padding: 0.95rem 1rem 0.95rem 2.75rem;
  border-radius: var(--cc-radius) var(--cc-radius) 0 0;
  background: var(--cc-bg-soft);
  font-weight: 700;
  color: var(--cc-text);
  cursor: pointer;
  transition: background var(--cc-transition), color var(--cc-transition);
}

#faq dt::before {
  content: "Q";
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.45rem;
  height: 1.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cc-grad-brand);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
}

#faq dt:hover {
  background: rgba(255, 107, 53, 0.12);
  color: var(--cc-primary);
}

#faq dd {
  position: relative;
  padding: 0.95rem 1rem 0.95rem 2.75rem;
  border-radius: 0 0 var(--cc-radius) var(--cc-radius);
  background: var(--cc-bg-alt);
  border: 1px solid var(--cc-border);
  border-top: none;
  color: var(--cc-text-soft);
  font-size: 0.94rem;
  margin-bottom: 0.25rem;
  transition: box-shadow var(--cc-transition), border-color var(--cc-transition);
}

#faq dd::before {
  content: "A";
  position: absolute;
  left: 0.85rem;
  top: 1rem;
  width: 1.45rem;
  height: 1.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cc-grad-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
}

#faq dd:hover {
  border-color: rgba(0, 210, 168, 0.4);
  box-shadow: var(--cc-shadow-sm);
}

#contact p {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--cc-radius-sm);
  background: var(--cc-bg-soft);
  margin-bottom: 0.5rem;
  font-size: 0.94rem;
  transition: transform var(--cc-transition), background var(--cc-transition);
}

#contact p:hover {
  transform: translateX(5px);
  background: rgba(255, 107, 53, 0.1);
}

#contact p::before {
  content: "▸";
  color: var(--cc-primary);
  font-weight: 900;
  flex-shrink: 0;
}

#team p {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--cc-border);
}

#team p:last-child {
  border-bottom: none;
}

#update p {
  display: inline-block;
  margin-right: 1rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--cc-radius-pill);
  background: var(--cc-grad-soft);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cc-text-soft);
  border: 1px solid var(--cc-border);
  transition: transform var(--cc-transition), box-shadow var(--cc-transition);
}

#update p:hover {
  transform: translateY(-3px);
  box-shadow: var(--cc-shadow-sm);
}

#security {
  border-left: 5px solid var(--cc-accent);
  background: linear-gradient(135deg, rgba(0, 210, 168, 0.06), transparent 60%), var(--cc-bg-alt);
}

main > nav[aria-label="网站地图"] {
  background: var(--cc-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--cc-shadow);
  margin-bottom: 2.5rem;
  animation: ccFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-timeline: view();
  animation-range: entry 0% cover 28%;
}

@supports not (animation-timeline: view()) {
  main > nav[aria-label="网站地图"] {
    animation: ccFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

main > nav[aria-label="网站地图"] h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1.25rem;
  padding-left: 1.1rem;
}

main > nav[aria-label="网站地图"] h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1.1em;
  border-radius: var(--cc-radius-pill);
  background: var(--cc-grad-brand);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
}

main > nav[aria-label="网站地图"] ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.6rem;
}

main > nav[aria-label="网站地图"] ul li a {
  display: block;
  padding: 0.6rem 0.9rem;
  border-radius: var(--cc-radius-sm);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-soft);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  transition: transform var(--cc-transition), background var(--cc-transition), color var(--cc-transition), box-shadow var(--cc-transition);
}

main > nav[aria-label="网站地图"] ul li a:hover {
  transform: translateY(-4px);
  background: var(--cc-grad-brand);
  color: #fff;
  box-shadow: var(--cc-shadow-primary);
}

#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#links ul li a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--cc-radius-pill);
  background: var(--cc-bg-soft);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-soft);
  font-weight: 600;
  font-size: 0.88rem;
  transition: transform var(--cc-transition), background var(--cc-transition), color var(--cc-transition), box-shadow var(--cc-transition);
}

#links ul li a::before {
  content: "🔗";
  font-size: 0.8rem;
}

#links ul li a:hover {
  transform: translateY(-3px) scale(1.03);
  background: var(--cc-grad-accent);
  color: #fff;
  box-shadow: 0 10px 26px rgba(0, 210, 168, 0.35);
}

footer {
  position: relative;
  margin-top: 3rem;
  padding: 3rem 1.25rem 2rem;
  background: linear-gradient(180deg, var(--cc-bg-alt), var(--cc-bg-soft));
  border-top: 1px solid var(--cc-border);
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--cc-grad-brand);
  background-size: 200% 100%;
  animation: ccGradSlide 6s linear infinite;
}

@keyframes ccGradSlide {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

footer > section {
  max-width: 1240px;
  margin: 0 auto 1.5rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--cc-radius);
  background: var(--cc-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--cc-border);
  box-shadow: var(--cc-shadow-sm);
  animation: none;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition);
}

footer > section:hover {
  transform: translateY(-3px);
  box-shadow: var(--cc-shadow);
}

footer > section h2 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  color: var(--cc-text);
}

footer > section p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

footer > p {
  max-width: 1240px;
  margin: 0 auto;
  text-align: center;
}

footer > p a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--cc-radius-pill);
  background: var(--cc-grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: var(--cc-shadow-primary);
  transition: transform var(--cc-transition), box-shadow var(--cc-transition), filter var(--cc-transition);
}

footer > p a::before {
  content: "↑";
  font-weight: 900;
  transition: transform var(--cc-transition);
}

footer > p a:hover {
  transform: translateY(-4px);
  color: #fff;
  filter: brightness(1.06);
  box-shadow: 0 18px 40px rgba(255, 107, 53, 0.45);
}

footer > p a:hover::before {
  transform: translateY(-3px);
}

@media (max-width: 900px) {
  header nav {
    gap: 0.75rem;
  }

  header nav ul {
    order: 3;
    flex-basis: 100%;
    justify-content: center;
    gap: 0.15rem;
  }

  header nav form[role="search"] {
    margin-left: auto;
  }

  header nav form[role="search"] input[type="search"] {
    width: 130px;
  }

  header nav form[role="search"] input[type="search"]:focus {
    width: 160px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  header nav {
    padding: 0.6rem 0.9rem;
    gap: 0.6rem;
  }

  header nav > a:first-child {
    font-size: 1.15rem;
  }

  header nav ul {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 0.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  header nav ul::-webkit-scrollbar {
    display: none;
  }

  header nav ul li a {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 0.4rem 0.7rem;
  }

  header nav form[role="search"] {
    flex-basis: 100%;
    order: 2;
    margin-left: 0;
  }

  header nav form[role="search"] input[type="search"],
  header nav form[role="search"] input[type="search"]:focus {
    width: 100%;
    flex: 1;
  }

  main {
    padding: 1rem 0.9rem 3rem;
  }

  section {
    margin-bottom: 1.75rem;
  }

  #hero {
    padding: 1.75rem 1.25rem;
    border-radius: var(--cc-radius);
  }

  #hero::after {
    display: none;
  }

  #advantages ul {
    grid-template-columns: 1fr;
  }

  #cases article:hover,
  #news article:hover,
  #articles article:hover {
    transform: translateX(4px);
  }

  #testimonials blockquote {
    padding: 1.1rem 1.1rem 1.1rem 2.75rem;
  }

  #testimonials blockquote::before {
    font-size: 2.75rem;
    left: 0.75rem;
  }

  main > nav[aria-label="网站地图"] ul {
    grid-template-columns: repeat(2, 1fr);
  }

  footer {
    padding: 2.25rem 0.9rem 1.5rem;
  }

  footer > section {
    padding: 1rem 1.1rem;
  }
}

@media (max-width: 380px) {
  header nav > a:first-child {
    font-size: 1rem;
    padding-left: 1.35rem;
  }

  header nav > a:first-child::before {
    width: 0.9rem;
    height: 0.9rem;
  }

  #howto ol li {
    padding-left: 2.85rem;
  }

  #faq dt,
  #faq dd {
    padding-left: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  header, footer, nav, #hero::after, #hero::before {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  section {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}