/* ============================================
   问鼎注册 — 暖玉青铜 · 杂志质感设计系统
   wendingzhuce.com.cn
   ============================================ */

/* --- 基础重置 --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  overflow-x: hidden;
  background: #FAF7F2;
  color: #3D3535;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- 核心布局 --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #F4F0E9;
}

/* 装饰性背景纹理（偶数section） */
.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(198, 123, 92, 0.04) 0%, transparent 55%),
    radial-gradient(ellipse at 78% 30%, rgba(74, 124, 89, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.section:nth-child(even) .container {
  position: relative;
  z-index: 1;
}

/* --- 导航 --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid #E8E2D8;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 24px rgba(61, 53, 53, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #3D3535;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: #4A7C59;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 7px;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #5C4F47;
  transition: color 0.2s, transform 0.15s;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #4A7C59;
  border-radius: 1px;
  transition: width 0.25s ease;
}

.main-nav a:hover {
  color: #4A7C59;
}

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

.nav-cta {
  padding: 9px 22px !important;
  border-radius: 8px;
  color: #fff !important;
  font-weight: 600;
  background: #C67B5C;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s !important;
  box-shadow: 0 2px 8px rgba(198, 123, 92, 0.25);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #B5684A;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(198, 123, 92, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: #F0EBE3;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #3D3535;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.2s;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  min-height: 70vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

/* 装饰性光晕 */
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(198, 123, 92, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(74, 124, 89, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: #FDF0EB;
  color: #C67B5C;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.18;
  margin-bottom: 22px;
  font-weight: 800;
  color: #2A2320;
  letter-spacing: -0.01em;
}

.hero h1 .highlight {
  color: #4A7C59;
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(74, 124, 89, 0.15);
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 34px;
  color: #5C4F47;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 40px rgba(61, 53, 53, 0.08), 0 2px 8px rgba(61, 53, 53, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.hero-image:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(61, 53, 53, 0.12), 0 4px 12px rgba(61, 53, 53, 0.06);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  color: #fff;
  background: #4A7C59;
  box-shadow: 0 3px 12px rgba(74, 124, 89, 0.3);
}

.btn-primary:hover {
  background: #3D6649;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 124, 89, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(74, 124, 89, 0.25);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #4A7C59;
  color: #4A7C59;
}

.btn-outline:hover {
  background: rgba(74, 124, 89, 0.06);
  transform: translateY(-2px);
  border-color: #3D6649;
  color: #3D6649;
}

.btn-outline:active {
  transform: translateY(0);
}

/* --- 标签 / 标题 --- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  text-transform: uppercase;
  color: #C67B5C;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 700;
  color: #2A2320;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: #5C4F47;
  font-size: 1.05rem;
  line-height: 1.65;
}

/* --- 卡片网格 --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: 14px;
  padding: 30px 28px;
  border: 1px solid #E8E2D8;
  transition: all 0.3s ease;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #4A7C59, #6B9B73);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
  border-radius: 0 0 2px 2px;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(61, 53, 53, 0.08), 0 2px 6px rgba(61, 53, 53, 0.04);
  border-color: #D8CFC4;
}

.category-card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: #E8F0EA;
  color: #4A7C59;
  transition: transform 0.3s, background 0.3s;
}

.category-card:hover .card-icon {
  transform: scale(1.08);
  background: #D5E8D8;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #4A7C59;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s, color 0.2s;
}

.card-link::after {
  content: '→';
  transition: transform 0.25s;
}

.card-link:hover {
  color: #3D6649;
  gap: 8px;
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* --- 特性块 --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(61, 53, 53, 0.07);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-image:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(61, 53, 53, 0.1);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text {
  color: #3D3535;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 7px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #4A3F3A;
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: #4A7C59;
  font-size: 1rem;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #E8F0EA;
  border-radius: 50%;
  font-size: 0.7rem;
}

/* --- 数据条 --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 14px;
  border: 1px solid #E8E2D8;
  background: #fff;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: #C67B5C;
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transition: width 0.3s, opacity 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(61, 53, 53, 0.07);
}

.stat-item:hover::after {
  width: 60px;
  opacity: 1;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #4A7C59;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #6B5F5A;
  font-weight: 500;
}

/* --- 内容墙 --- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #E8E2D8;
  transition: all 0.3s ease;
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(61, 53, 53, 0.08), 0 3px 8px rgba(61, 53, 53, 0.04);
  border-color: #D8CFC4;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 22px 20px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2A2320;
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: #6B5F5A;
  line-height: 1.5;
  opacity: 0.75;
}

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #E8E2D8;
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: #D5CFC5;
  box-shadow: 0 2px 12px rgba(61, 53, 53, 0.04);
}

.faq-item.open {
  border-color: #4A7C59;
  box-shadow: 0 4px 20px rgba(74, 124, 89, 0.08);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #3D3535;
  font-size: 1rem;
  user-select: none;
  transition: color 0.2s;
}

.faq-item.open .faq-question {
  color: #4A7C59;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: #9B8F8A;
  transition: transform 0.35s ease, color 0.3s;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: #4A7C59;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5C4F47;
  font-size: 0.93rem;
  line-height: 1.65;
  animation: faqFadeIn 0.35s ease;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

.faq-item.open .faq-answer {
  display: block;
}

/* --- CTA横幅 --- */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #4A7C59 0%, #5D8C67 30%, #7DA584 65%, #C67B5C 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 240px;
  height: 240px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -30px;
  width: 280px;
  height: 280px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  font-size: 1rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #4A7C59;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
  font-weight: 700;
}

.cta-banner .btn-primary:hover {
  background: #F8F5F0;
  color: #3D6649;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.16);
  transform: translateY(-2px);
}

/* --- 页脚 --- */
.site-footer {
  padding: 56px 0 28px;
  background: #F4F0E9;
  color: #5C4F47;
  border-top: 1px solid #E8E2D8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: #6B5F5A;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 8px;
  opacity: 0.75;
}

.footer-brand .logo {
  margin-bottom: 6px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #3D3535;
  margin-bottom: 14px;
  letter-spacing: 0.03em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  text-decoration: none;
  color: #6B5F5A;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: #4A7C59;
}

.footer-bottom {
  border-top: 1px solid #E0D9CF;
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #8B7F77;
}

.footer-bottom a {
  color: #4A7C59;
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* --- 工具类 --- */
.text-accent {
  color: #C67B5C;
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5C4F47;
  font-size: 0.95rem;
  line-height: 1.6;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* --- 全局链接 --- */
a {
  color: #4A7C59;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #3D6649;
}

/* --- 图片通用 --- */
img {
  max-width: 100%;
  height: auto;
}

/* --- 分隔线装饰 --- */
.section-divider {
  width: 48px;
  height: 3px;
  background: #C67B5C;
  border-radius: 2px;
  margin: 0 auto 32px;
  opacity: 0.6;
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F4F0E9;
}

::-webkit-scrollbar-thumb {
  background: #C5BEB5;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #A89E95;
}

/* --- 选中文字 --- */
::selection {
  background: rgba(74, 124, 89, 0.18);
  color: #2A2320;
}

/* --- 焦点样式 --- */
:focus-visible {
  outline: 2px solid #4A7C59;
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
  .hero {
    gap: 32px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .feature-block {
    gap: 36px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 40px;
    text-align: center;
  }

  .hero-content {
    order: 1;
    max-width: 100%;
  }

  .hero-image {
    order: 2;
    max-width: 400px;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .feature-image {
    order: -1;
    max-width: 450px;
    margin: 0 auto;
  }

  .feature-list li {
    justify-content: center;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
    text-align: center;
  }

  .footer-brand .logo {
    justify-content: center;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: #FAF7F2;
    padding: 24px;
    border-bottom: 1px solid #E8E2D8;
    box-shadow: 0 8px 24px rgba(61, 53, 53, 0.06);
    gap: 16px;
    z-index: 999;
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .main-nav.open a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .nav-cta {
    display: inline-block;
    text-align: center;
    margin-top: 8px;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .footer-col h4 {
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .stat-item {
    padding: 20px 16px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .category-card {
    padding: 22px 20px;
  }

  .faq-item .faq-question {
    font-size: 0.9rem;
    padding: 14px 16px;
  }

  .faq-item .faq-answer {
    padding: 0 16px 14px;
  }

  .cta-banner {
    padding: 40px 18px;
    border-radius: 12px;
  }

  .logo {
    font-size: 1.1rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    font-size: 0.95rem;
  }
}

/* --- 超大屏优化 --- */
@media (min-width: 1400px) {
  .hero h1 {
    font-size: 3.4rem;
  }

  .section {
    padding: 96px 0;
  }

  .cards-grid {
    gap: 28px;
  }
}