body {
  margin: 0;
  font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
  background: linear-gradient(135deg, #232526 0%, #414345 100%);
  color: #f3f3f3;
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar {
  background: rgba(20, 20, 20, 0.95);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  position: relative;
}

.site-title {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 2px;
  color: #00ffe7;
  text-shadow: 0 2px 8px #0ff;
}

.nav-menu a {
  color: #f3f3f3;
  text-decoration: none;
  margin-left: 2rem;
  font-size: 1rem;
  transition: color 0.2s;
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu a:hover {
  color: #00ffe7;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #00ffe7;
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-menu a:not(:last-child)::before {
  content: '|';
  position: absolute;
  right: -1rem;
  color: #666;
  font-size: 0.8rem;
}

.hero {
  background: linear-gradient(120deg, #0f2027 0%, #2c5364 100%);
  padding: 3rem 0 2rem 0;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  border-radius: 0 0 32px 32px;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 120vw;
  height: 100%;
  background: radial-gradient(circle, #00ffe7 0%, transparent 70%);
  opacity: 0.08;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-content h1 {
  font-size: 2.6rem;
  color: #00ffe7;
  margin-bottom: 1rem;
  text-shadow: 0 2px 16px #0ff;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #e0e0e0;
}

.hero-actions .btn-primary {
  background: linear-gradient(90deg, #00ffe7 0%, #007991 100%);
  color: #232526;
  padding: 0.8rem 2.2rem;
  border: none;
  border-radius: 32px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 2px 12px #00ffe7a0;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.hero-actions .btn-primary:hover {
  background: linear-gradient(90deg, #007991 0%, #00ffe7 100%);
  color: #fff;
}

.section {
  margin-bottom: 2.5rem;
}

.section h2 {
  font-size: 2rem;
  color: #00ffe7;
  margin-bottom: 1.5rem;
  text-align: center;
  letter-spacing: 1px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.services-section .card-grid {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
}

.services-section .card-grid .service-card:nth-child(4) {
  grid-column: 1;
}

.services-section .card-grid .service-card:nth-child(5) {
  grid-column: 3;
}

.process-section .card-grid {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
}

.process-section .card-grid .service-card:nth-child(4) {
  grid-column: 1;
}

.process-section .card-grid .service-card:nth-child(5) {
  grid-column: 3;
}

.service-card {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 18px;
  box-shadow: 0 2px 16px #00ffe720, 0 1.5px 8px #0008;
  padding: 2rem 1.2rem 1.5rem 1.2rem;
  text-align: center;
  transition: transform 0.18s, box-shadow 0.18s;
  border: 1.5px solid #00ffe7a0;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 6px 32px #00ffe740, 0 2px 16px #000a;
}

.service-card h3 {
  color: #00ffe7;
  margin-bottom: 0.7rem;
  font-size: 1.25rem;
}

.service-card p {
  color: #e0e0e0;
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 0.8rem;
}

.about-section p {
  text-align: center;
  color: #e0e0e0;
  font-size: 1.1rem;
  line-height: 1.7;
}

.contact-section {
  background: rgba(20, 20, 20, 0.92);
  border-radius: 24px;
  box-shadow: 0 2px 16px #00ffe720, 0 1.5px 8px #0008;
  padding: 2.5rem 0 2rem 0;
}

.contact-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  color: #00ffe7;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

input, select, textarea {
  padding: 0.7rem 1rem;
  border-radius: 8px;
  border: 1.5px solid #00ffe7a0;
  background: #232526;
  color: #f3f3f3;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s;
}

input:focus, select:focus, textarea:focus {
  border: 1.5px solid #00ffe7;
}

.btn-primary {
  background: linear-gradient(90deg, #00ffe7 0%, #007991 100%);
  color: #232526;
  padding: 0.7rem 2rem;
  border: none;
  border-radius: 32px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 2px 12px #00ffe7a0;
  transition: background 0.2s, color 0.2s;
}

.btn-primary:hover {
  background: linear-gradient(90deg, #007991 0%, #00ffe7 100%);
  color: #fff;
}

.footer {
  background: rgba(20, 20, 20, 0.98);
  text-align: center;
  padding: 1.2rem 0;
  color: #aaa;
  font-size: 0.95rem;
  border-radius: 24px 24px 0 0;
  margin-top: 2rem;
  box-shadow: 0 -2px 12px #00ffe720;
}

.advantages-section .card-grid,
.process-section .card-grid {
  margin-top: 1.2rem;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  box-shadow: 0 1.5px 8px #00ffe720, 0 1px 4px #0006;
  padding: 1.2rem 1rem;
  border-left: 4px solid #00ffe7a0;
}

.faq-item h3 {
  margin: 0 0 0.5rem 0;
  color: #00ffe7;
  font-size: 1.1rem;
}

.faq-item p {
  margin: 0;
  color: #e0e0e0;
  font-size: 1rem;
}

.about-extra {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  justify-content: center;
}

.about-block {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  box-shadow: 0 1.5px 8px #00ffe720, 0 1px 4px #0006;
  padding: 1.2rem 1rem;
  min-width: 220px;
  max-width: 320px;
  flex: 1 1 220px;
}

.about-block h3 {
  color: #00ffe7;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.about-block ul {
  margin: 0.5rem 0 0 1.2rem;
  color: #e0e0e0;
  font-size: 1rem;
  padding-left: 0.5rem;
}

.contact-extra {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-block {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  box-shadow: 0 1.5px 8px #00ffe720, 0 1px 4px #0006;
  padding: 1.2rem 1rem;
  min-width: 180px;
  max-width: 260px;
  text-align: center;
}

.qrcode-img {
  margin: 0.5rem auto 0.5rem auto;
  border: 2px solid #00ffe7a0;
  background: #232526;
}

.hero-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
}

.hero-text {
  flex: 1 1 0;
  min-width: 220px;
}

.hero-image {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-width: 520px;
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 4px 32px #0008;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 40px;
  width: 40px;
  margin-left: 1rem;
  z-index: 1200;
}

.nav-toggle-bar {
  display: block;
  width: 26px;
  height: 3px;
  background: #00ffe7;
  margin: 4px 0;
  border-radius: 2px;
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .nav-menu {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    gap: 1.2rem;
    flex-wrap: wrap;
  }
  .nav-menu a {
    margin-left: 0;
    font-size: 0.9rem;
  }
  .nav-menu a::before {
    display: none;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .section h2 {
    font-size: 1.4rem;
  }
  .card-grid {
    gap: 1rem;
  }
  .services-section .card-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .services-section .card-grid .service-card:nth-child(4),
  .services-section .card-grid .service-card:nth-child(5) {
    grid-column: span 1;
  }
  .process-section .card-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .process-section .card-grid .service-card:nth-child(4),
  .process-section .card-grid .service-card:nth-child(5) {
    grid-column: span 1;
  }
  .service-card {
    padding: 1.2rem 0.7rem 1rem 0.7rem;
  }
  .contact-section {
    padding: 1.2rem 0 1rem 0;
  }
}

@media (max-width: 480px) {
  .container {
    width: 98%;
    padding: 0 0.2rem;
  }
  .hero-content h1 {
    font-size: 1.3rem;
  }
  .section h2 {
    font-size: 1.1rem;
  }
  .service-card h3 {
    font-size: 1rem;
  }
  .service-card p {
    font-size: 0.95rem;
  }
}

@media (max-width: 900px) {
  .about-extra, .contact-extra {
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
  }
  .hero-flex {
    flex-direction: column;
    gap: 1.2rem;
  }
  .hero-image img {
    max-width: 90vw;
  }
  .hero-image {
    margin-top: 1.2rem;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100vw;
    background: rgba(20, 20, 20, 0.98);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 0 1rem 0;
    box-shadow: 0 4px 24px #000a;
    z-index: 1100;
    display: none;
  }
  .nav-menu.nav-open {
    display: flex;
  }
  .nav-menu a {
    width: 100%;
    padding: 1rem 2rem;
    margin: 0;
    border-bottom: 1px solid #222;
    font-size: 1.1rem;
    position: relative;
  }
  .nav-menu a:last-child {
    border-bottom: none;
  }
  .nav-menu a::before {
    display: none;
  }
}

/* ========== 列表页 / 内容页 / 侧栏 ========== */
.site-title a {
  color: inherit;
  text-decoration: none;
}

.nav-menu a.nav-cms,
.nav-menu a.z70d51this,
.nav-menu a.nav-home.z70d51this {
  color: #00ffe7;
}

.page-banner {
  background: linear-gradient(120deg, #0f2027 0%, #2c5364 100%);
  padding: 2rem 0 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

.page-banner h1 {
  color: #00ffe7;
  font-size: 1.8rem;
  margin: 0 0 0.5rem;
  text-align: center;
}

.breadcrumb {
  text-align: center;
  color: #aaa;
  font-size: 0.95rem;
  margin: 0;
}

.breadcrumb a {
  color: #00ffe7;
  text-decoration: none;
}

.page-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding-bottom: 2rem;
}

.page-main {
  flex: 1 1 0;
  min-width: 0;
}

.sidebar {
  flex: 0 0 300px;
  max-width: 300px;
}

.sidebar-block {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  border: 1.5px solid #00ffe7a0;
  box-shadow: 0 2px 16px #00ffe720;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.sidebar-title {
  margin: 0;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  background: rgba(0, 255, 231, 0.08);
  border-bottom: 1px solid #00ffe730;
}

.sidebar-title a {
  color: #00ffe7;
  text-decoration: none;
}

.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  max-height: 520px;
  overflow-y: auto;
}

.sidebar-item {
  border-bottom: 1px solid #333;
}

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

.sidebar-thumb-link {
  display: flex;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  text-decoration: none;
  color: #e0e0e0;
  transition: background 0.2s;
}

.sidebar-thumb-link:hover {
  background: rgba(0, 255, 231, 0.06);
}

.sidebar-thumb {
  flex: 0 0 72px;
  width: 72px;
  height: 54px;
  overflow: hidden;
  border-radius: 6px;
  background: #232526;
}

.sidebar-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sidebar-item-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-item-title {
  font-size: 0.88rem;
  line-height: 1.35;
  color: #f3f3f3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-item-date {
  font-size: 0.75rem;
  color: #888;
}

/* 列表页 */
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list-item {
  display: flex;
  gap: 1.25rem;
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  border: 1.5px solid #00ffe7a0;
  padding: 1.2rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 2px 12px #00ffe715;
}

.article-list-thumb {
  flex: 0 0 200px;
  display: block;
  border-radius: 10px;
  overflow: hidden;
  background: #232526;
}

.article-list-thumb img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.article-list-body {
  flex: 1;
  min-width: 0;
}

.article-list-title {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.article-list-title a {
  color: #00ffe7;
  text-decoration: none;
}

.article-list-title a:hover {
  text-decoration: underline;
}

.article-list-meta {
  font-size: 0.88rem;
  color: #888;
  margin: 0 0 0.6rem;
}

.article-list-meta a {
  color: #00ffe7;
}

.article-list-intro {
  margin: 0;
  color: #ccc;
  line-height: 1.6;
  font-size: 0.95rem;
}

.pagebar {
  margin-top: 1.5rem;
}

.z70d51pages {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  border: 1px solid #00ffe740;
}

.pagelist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.pagelist.pagebar-flex {
  justify-content: space-between;
  align-items: center;
}

.pagelist.pagebar-flex li:first-child {
  margin-right: auto;
}

.pagelist.pagebar-flex li:last-child {
  margin-left: auto;
}

.pagelist a,
.pagelist span {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  color: #e0e0e0;
  text-decoration: none;
  border: 1px solid #444;
  font-size: 0.9rem;
}

.pagelist a:hover,
.pagelist .thisclass {
  background: #00ffe7;
  color: #232526;
  border-color: #00ffe7;
}


/* 内容页 */
.article-section {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 18px;
  border: 1.5px solid #00ffe7a0;
  padding: 1.8rem 1.5rem;
  box-shadow: 0 2px 16px #00ffe720;
}

.article-header {
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #444;
}

.article-title {
  color: #00ffe7;
  font-size: 1.6rem;
  margin: 0 0 0.6rem;
  line-height: 1.35;
}

.article-meta {
  color: #888;
  font-size: 0.9rem;
  margin: 0;
}

.article-meta a {
  color: #00ffe7;
}

.article-litpic {
  margin-bottom: 1.2rem;
  text-align: center;
}

.article-litpic img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.article-content {
  color: #e0e0e0;
  line-height: 1.8;
  font-size: 1rem;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.article-figure {
  margin: 1rem 0;
  text-align: center;
}

.article-figure img {
  max-width: 100%;
  border-radius: 10px;
}

.article-figure figcaption {
  color: #888;
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.z70d51meta-tags {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.z70d51tagitem a {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: rgba(0, 255, 231, 0.1);
  border: 1px solid #00ffe7a0;
  border-radius: 20px;
  color: #00ffe7;
  text-decoration: none;
  font-size: 0.85rem;
}

.article-prenext {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #444;
  font-size: 0.95rem;
  color: #ccc;
}

.article-prenext a {
  color: #00ffe7;
  text-decoration: none;
}

.related-section h2 {
  font-size: 1.2rem;
  text-align: left;
  margin: 1.5rem 0 1rem;
}

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

.related-item {
  display: flex;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid #333;
}

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

.related-thumb {
  flex: 0 0 100px;
  border-radius: 8px;
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.related-title {
  color: #00ffe7;
  text-decoration: none;
  font-weight: bold;
}

.related-body p {
  margin: 0.4rem 0 0;
  color: #aaa;
  font-size: 0.9rem;
}

/* 首页文章板块 */
.articles-section .article-grid-home {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.article-card-home {
  background: rgba(30, 30, 30, 0.95);
  border-radius: 14px;
  border: 1.5px solid #00ffe7a0;
  padding: 0.85rem;
  text-align: center;
  transition: transform 0.18s, box-shadow 0.18s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-card-home:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 24px #00ffe730;
}

.article-card-thumb {
  display: block;
  border-radius: 10px;
  overflow: hidden;
  background: #232526;
}

.article-card-thumb img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.article-card-title {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
}

.article-card-title a {
  color: #00ffe7;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-date {
  font-size: 0.75rem;
  color: #666;
}

.articles-more {
  text-align: center;
  margin-top: 1.5rem;
}

.articles-more .btn-primary {
  display: inline-block;
  text-decoration: none;
}

@media (max-width: 1100px) {
  .articles-section .article-grid-home {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .page-layout {
    flex-direction: column;
  }

  .sidebar {
    flex: 1 1 auto;
    max-width: 100%;
    width: 100%;
  }

  .article-list-item {
    flex-direction: column;
  }

  .article-list-thumb {
    flex: none;
    max-width: 100%;
  }

  .pagelist.pagebar-flex {
    justify-content: center;
  }

  .articles-section .article-grid-home {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .articles-section .article-grid-home {
    grid-template-columns: 1fr;
  }

  .page-banner h1 {
    font-size: 1.3rem;
  }

  .article-section {
    padding: 1.2rem 1rem;
  }
}