/* 智绘云途企业官网样式文件 */
/* 作者：AI Assistant */
/* 创建时间：2024 */

/* ===== 全局样式重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', 'Quicksand', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* ===== 颜色系统 ===== */
:root {
    /* 活泼欢快暖色系主题配色（沿用变量名以减少改动） */
    --primary-blue: #FF6B00;       /* 主色：活力橙 */
    --primary-green: #FFAD60;      /* 替代：柔和蜜桃橙，避免以绿为主 */
    --accent-orange: #FF4D8D;      /* 辅助：亮粉色 */
    --secondary-blue: #FFD33D;     /* 辅助：明亮黄色 */
    --secondary-green: #FFA6C9;    /* 辅助：浅玫粉 */

    --text-dark: #1F2D3D;          /* 深色文字 */
    --text-light: #5F7A8A;         /* 浅色文字 */
    --bg-light: #FFF7F0;           /* 浅暖背景 */
    --border-color: #FFE7D1;       /* 暖色边框 */
    --white: #ffffff;              /* 白色 */

    /* 统一阴影与透明度控制（暖色系） */
    --primary-blue-rgb: 255, 107, 0;    /* 橙色RGB */
    --primary-green-rgb: 255, 173, 96;  /* 蜜桃橙RGB */
    --accent-orange-rgb: 255, 77, 141;  /* 粉色RGB（沿用变量名） */
    --accent-yellow-rgb: 255, 211, 61;  /* 黄色RGB（新增） */
}

/* ===== 通用类 ===== */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--accent-orange-rgb), 0.28);
}

/* ===== 头部导航 ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    display: inline-flex;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

.logo-icon img {
    width: 150%;
    height: 150%;
    display: block;
    object-fit: contain;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--accent-orange-rgb), 0.32);
}

/* 当前页面激活态 */
.nav-link.active::before {
    left: 0;
}

.nav-link.active {
    color: white;
    box-shadow: 0 5px 15px rgba(var(--accent-orange-rgb), 0.32);
}

.nav-icon {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: scale(1.2);
}

.nav-text {
    font-size: 14px;
    font-weight: 600;
}

/* 下拉菜单（企业新闻） */
.has-dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    padding: 8px;
    margin-top: 8px;
    display: none;
    z-index: 1002;
}
.has-dropdown:hover > .dropdown-menu { display: block; }
.has-dropdown.open > .dropdown-menu { display: block; }
.dropdown-item { list-style: none; }
.dropdown-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-dark);
}
.dropdown-link:hover { color: #fff; }

/* 联系我们按钮特殊样式 */
.contact-btn {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    color: white !important;
    box-shadow: 0 4px 15px rgba(var(--accent-orange-rgb), 0.32);
}

.contact-btn::before {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--accent-orange-rgb), 0.40);
}

/* ===== 主要内容区域 ===== */
.main-content {
    margin-top: 80px; /* 为固定导航留出空间 */
}

/* ===== Banner区域 ===== */
.hero-banner {
    background:
      radial-gradient(1000px 500px at 8% 12%, rgba(255,255,255,0.18), rgba(255,255,255,0)),
      radial-gradient(900px 420px at 20% 80%, rgba(var(--accent-yellow-rgb), 0.12), rgba(255,255,255,0)),
      radial-gradient(800px 400px at 92% 18%, rgba(var(--accent-yellow-rgb), 0.16), rgba(var(--accent-yellow-rgb), 0)),
      conic-gradient(from 180deg at 50% 50%, rgba(var(--accent-orange-rgb), 0.12), rgba(var(--accent-orange-rgb), 0)),
      linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    background-blend-mode: screen, normal, normal, normal;
    box-shadow: inset 0 -30px 60px rgba(0,0,0,0.08);
    animation: heroBgShift 20s ease-in-out infinite alternate, neonPulse 8s ease-in-out infinite;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    isolation: isolate; /* 让伪元素的混合更可控 */
}

/* 未来主义霓虹与全息增强 */
.hero-banner::before {
  content: "";
  position: absolute;
  left: -20px; right: -20px; bottom: -40px; top: -60px;
  background-image:
    /* 全息网格 */
    linear-gradient(rgba(69,243,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69,243,255,0.12) 1px, transparent 1px),
    /* 霓虹光晕 */
    radial-gradient(1200px 600px at 15% 10%, rgba(69,243,255,0.18), transparent 60%),
    radial-gradient(900px 480px at 85% 20%, rgba(255,77,157,0.16), transparent 60%),
    conic-gradient(from 180deg at 50% 50%, rgba(157,121,255,0.16), rgba(157,121,255,0));
  background-size: 60px 60px, 60px 60px, auto, auto, auto;
  background-position: center bottom, center bottom, 0 0, 0 0, 0 0;
  background-repeat: repeat, repeat, no-repeat, no-repeat, no-repeat;
  transform: perspective(900px) rotateX(55deg) translateY(14%);
  filter: blur(1.2px);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: holoShift 24s ease-in-out infinite alternate;
}

.hero-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    /* 轻微扫描线效果 */
    repeating-linear-gradient(to bottom,
      rgba(255,255,255,0.045) 0px,
      rgba(255,255,255,0.045) 1px,
      rgba(255,255,255,0.02) 2px,
      rgba(255,255,255,0) 3px
    ),
    linear-gradient(to top, rgba(0,0,0,0.12), rgba(0,0,0,0) 40%);
  mix-blend-mode: screen;
  opacity: 0.7;
  pointer-events: none;
  animation: scanScroll 12s linear infinite;
}

.hero-banner .hero-title {
  text-shadow:
    0 0 12px rgba(69,243,255,0.55),
    0 0 24px rgba(157,121,255,0.35);
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25));
}

/* 标题扫光特效 */
.hero-banner .hero-title {
  position: relative;
}
.hero-banner .hero-title::after {
  content: '';
  position: absolute;
  inset: -6px -10px;
  background: linear-gradient(115deg,
    rgba(255,255,255,0) 20%,
    rgba(255,255,255,0.55) 35%,
    rgba(69,243,255,0.65) 50%,
    rgba(255,255,255,0.55) 65%,
    rgba(255,255,255,0) 80%
  );
  mix-blend-mode: screen;
  transform: translateX(-120%);
  animation: glintSweep 5s ease-in-out infinite;
  pointer-events: none;
}

.hero-banner .hero-subtitle {
  text-shadow:
    0 0 8px rgba(255,77,157,0.45),
    0 0 18px rgba(69,243,255,0.35);
}

.hero-banner .hero-subtitle {
  position: relative;
}
.hero-banner .hero-subtitle::after {
  content: '';
  position: absolute;
  left: -8%; right: -8%; top: -8px; bottom: -8px;
  background: linear-gradient(105deg,
    rgba(255,255,255,0),
    rgba(255,77,157,0.28),
    rgba(69,243,255,0.28),
    rgba(255,255,255,0)
  );
  filter: blur(2px);
  opacity: 0.35;
  transform: translateX(-140%);
  animation: glintSweep 6.5s ease-in-out infinite;
  pointer-events: none;
}

.hero-banner .hero-description {
  opacity: 0.95;
}

/* CTA 按钮动效增强：发光与扫光 */
.hero-banner .btn.btn-primary {
  position: relative;
  overflow: hidden;
}
.hero-banner .btn.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    rgba(255,255,255,0) 15%,
    rgba(255,255,255,0.5) 30%,
    rgba(255,255,255,0) 45%
  );
  transform: translateX(-120%);
  mix-blend-mode: screen;
  animation: shineSweep 3.8s ease-in-out infinite;
}

.hero-banner .btn.btn-primary:hover {
  animation: glowPulse 1.6s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 12px 30px rgba(0,0,0,0.22), 0 0 0 3px rgba(255,255,255,0.25) inset; }
  50% { box-shadow: 0 16px 36px rgba(0,0,0,0.26), 0 0 0 3px rgba(69,243,255,0.35) inset; }
}

@keyframes neonPulse {
  0%, 100% {
    box-shadow:
      inset 0 -30px 60px rgba(0,0,0,0.08),
      0 0 22px rgba(69,243,255,0.35),
      0 0 48px rgba(157,121,255,0.25);
  }
  50% {
    box-shadow:
      inset 0 -30px 60px rgba(0,0,0,0.08),
      0 0 36px rgba(69,243,255,0.55),
      0 0 72px rgba(255,77,157,0.35);
  }
}

/* 标题/副标题扫光动画 */
@keyframes glintSweep {
  0%   { transform: translateX(-120%) skewX(-8deg); opacity: 0.0; }
  10%  { opacity: 0.65; }
  50%  { transform: translateX(0%) skewX(-8deg); opacity: 0.75; }
  90%  { opacity: 0.35; }
  100% { transform: translateX(120%) skewX(-8deg); opacity: 0.0; }
}

/* 按钮扫光动画 */
@keyframes shineSweep {
  0%   { transform: translateX(-120%); }
  50%  { transform: translateX(0%); }
  100% { transform: translateX(120%); }
}

@keyframes holoShift {
  0%   { transform: perspective(900px) rotateX(55deg) translateY(14%); opacity: 0.78; }
  50%  { transform: perspective(900px) rotateX(52deg) translateY(12%); opacity: 0.86; }
  100% { transform: perspective(900px) rotateX(56deg) translateY(15%); opacity: 0.80; }
}

@keyframes scanScroll {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 0 20px, 0 0; }
}

.hero-banner::before,
.hero-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* 网格渐变蒙层，增加层次 */
.hero-banner::before {
    background: radial-gradient(1200px 500px at 10% 10%, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 60%),
                radial-gradient(800px 400px at 90% 20%, rgba(var(--accent-orange-rgb), 0.18) 0%, rgba(var(--accent-orange-rgb), 0) 60%),
                radial-gradient(600px 300px at 15% 85%, rgba(var(--accent-yellow-rgb), 0.12) 0%, rgba(255,255,255,0) 70%);
    mix-blend-mode: screen;
}

/* 漂浮柔光球 */
.hero-banner::after {
    background: radial-gradient(220px 220px at 20% 80%, rgba(255,255,255,0.18), rgba(255,255,255,0)),
                radial-gradient(260px 260px at 80% 70%, rgba(var(--accent-yellow-rgb), 0.18), rgba(var(--accent-yellow-rgb), 0)),
                radial-gradient(200px 200px at 70% 30%, rgba(var(--accent-orange-rgb), 0.14), rgba(255,255,255,0));
    animation: heroFloat 12s linear infinite;
    opacity: 0.8;
}

@keyframes heroFloat {
    0%   { transform: translateY(0) translateX(0); }
    50%  { transform: translateY(-6px) translateX(6px); }
    100% { transform: translateY(0) translateX(0); }
}

@keyframes heroBgShift {
    0%   { background-position: 0% 0%, 100% 0%, 50% 50%, 0% 0%; }
    100% { background-position: 2% 1%, 98% 1%, 50% 50%, 0% 0%; }
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #ffffff, #e7fff1 45%, #e6f3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.6px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    color: rgba(255,255,255,0.92);
    text-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

.hero-description {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,0.95);
    line-height: 1.9;
    text-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

/* CTA 按钮强化（仅限 Banner） */
.hero-banner .btn.btn-primary {
    padding: 14px 36px;
    border-radius: 999px;
    font-size: 16px;
    box-shadow: 0 10px 26px rgba(0,0,0,0.18), 0 0 0 3px rgba(255,255,255,0.22) inset;
    backdrop-filter: saturate(1.1);
}

.hero-banner .btn.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0,0,0,0.22), 0 0 0 3px rgba(255,255,255,0.25) inset;
}

.hero-banner .btn.btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.35), 0 12px 30px rgba(0,0,0,0.22);
}

/* ===== 卡片样式 ===== */
.card {
    background: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    margin-bottom: 30px;
}

.card:hover {
    transform: translateY(-5px);
}

.card-title {
    font-size: 23px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.card-content {
    color: var(--text-light);
    line-height: 1.8;
}

/* 长文本优雅折叠样式 */
.card-content.clamp {
    display: -webkit-box;
    -webkit-line-clamp: 4; /* 显示行数 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: relative;
    max-height: calc(1.8em * 4 + 6px); /* 与line-height一致 */
}

.card-content.clamp::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2.8em;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,1));
}

.card-content.expanded {
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: unset;
    max-height: none;
    overflow: visible;
}

.card-content.expanded::after {
    display: none;
}

.card-actions {
    margin-top: 12px;
}

.read-more {
    background: none;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.read-more:hover {
    background: var(--bg-light);
    box-shadow: 0 3px 10px rgba(var(--primary-blue-rgb), 0.22);
}

/* ===== 图文混排（AI生成图片）卡片 ===== */
.ai-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ai-mixed-card {
    display: grid;
    /* 纵向堆叠：图片一行、文字一行，清晰分隔 */
    grid-template-columns: 1fr;
    align-items: start;
    gap: 16px;
    padding: 18px;
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
    /* 主题变量（可被脚本覆盖） */
    --ai-title-color: #1f2a44;
    --ai-text-color: #4b5563;
    --ai-accent: #3B82F6;
    --ai-accent-2: #93C5FD;
    --ai-info-bg: rgba(59,130,246,0.06);
}

.ai-mixed-card:nth-child(2) {
    /* 保持与其他卡片一致：纵向堆叠 */
    grid-template-columns: 1fr;
}
/* 明确指定两块都占据单列 */
.ai-mixed-card .ai-media,
.ai-mixed-card .ai-info { grid-column: 1; }

.ai-media {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    /* 1:1 方图比例 */
    aspect-ratio: 1 / 1;
    background: #f2f5fa;
}

.ai-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
}
.ai-mixed-card:hover .ai-media img {
    transform: scale(1.02);
}

.ai-media::after {
    /* content: 'AI生成'; */
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 12px;
    color: #fff;
    background: rgba(8,16,32,0.55);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 999px;
    padding: 4px 10px;
    backdrop-filter: blur(4px);
}

.ai-info .card-title { margin-bottom: 8px; }
.ai-info .card-content { margin-bottom: 10px; }
.ai-info .btn.btn-primary { width: auto; }

/* 文字排版与视觉：根据主题变量自动适配 */
.ai-info {
    font-family: 'Nunito', 'Microsoft YaHei', sans-serif;
    background: var(--ai-info-bg);
    border-radius: 12px;
    padding: 12px 14px;
    border-top: 1px solid rgba(0,0,0,0.06); /* 轻微分隔线，增强层次 */
}

.ai-info .card-title {
    font-family: 'Quicksand', 'Nunito', sans-serif;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: var(--ai-title-color);
    font-size: 22px;
    position: relative;
}
.ai-info .card-title::after {
    content: '';
    display: block;
    width: 42px;
    height: 3px;
    border-radius: 3px;
    margin-top: 8px;
    background: linear-gradient(90deg, var(--ai-accent), var(--ai-accent-2));
}

.ai-info .card-content {
    color: var(--ai-text-color);
    line-height: 1.85;
    font-size: 15.5px;
    margin-top: 10px;
}

.ai-mixed-card .btn.btn-primary {
    background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-2));
    border-color: transparent;
    color: #fff;
}
.ai-mixed-card .btn.btn-primary:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    transform: translateY(-1px);
}

/* 加载骨架（图片生成或加载时） */
.ai-mixed-card.loading .ai-media {
    background: linear-gradient(90deg, #f1f4f8 25%, #e6ebf3 37%, #f1f4f8 63%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* 响应式：中屏与小屏优化 */
@media (max-width: 992px) {
    .ai-cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .ai-cards-grid { grid-template-columns: 1fr; gap: 18px; }
    .ai-mixed-card { grid-template-columns: 1fr; }
    .ai-mixed-card:nth-child(2) .ai-media { order: initial; }
    .ai-media { aspect-ratio: 1 / 1; }
    .ai-info .card-title { font-size: 20px; }
    .ai-info .card-content { font-size: 15px; line-height: 1.8; }
}
@media (max-width: 480px) {
    .ai-media { aspect-ratio: 1 / 1; }
    .ai-media::after { font-size: 11px; padding: 3px 8px; }
    .ai-info { padding: 10px 12px; }
    .ai-info .card-title { font-size: 19px; }
    .ai-info .card-content { font-size: 14.5px; line-height: 1.75; }
}

/* ===== 网格布局 ===== */
.grid {
    display: grid;
    gap: 30px;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--accent-orange);
    margin-bottom: 15px;
}

.footer-section p, .footer-section a {
    color: #ccc;
    text-decoration: none;
    line-height: 1.8;
}

.footer-section a:hover {
    color: var(--accent-orange);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    color: #999;
}

/* 备案信息样式：12px字号、#999颜色、与页脚其他内容适当间距，移动端兼容 */
.footer-bottom .beian-info {
    margin-top: 8px;
}

.footer-bottom .beian-info,
.footer-bottom .beian-info .record-item,
.footer-bottom .beian-info a {
    font-size: 12px;
    color: #999;
}

.footer-bottom .beian-info .record-item {
    margin: 2px 0;
    line-height: 1.5;
}

.footer-bottom .beian-info a {
    text-decoration: none;
}

.footer-bottom .beian-info a:hover,
.footer-bottom .beian-info a:focus {
    text-decoration: underline;
    color: #666;
    outline: none;
}

/* 移动端优化 */
@media (max-width: 480px) {
    .footer-bottom .beian-info {
        margin-top: 10px;
    }
    .footer-bottom .beian-info .record-item {
        line-height: 1.6;
    }
}

/* ===== 响应式设计 ===== */
/* 平板设备 */
@media (max-width: 1024px) {
    .container {
        max-width: 95%;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    /* 移动端导航样式 */
    .nav {
        padding: 12px 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
        margin: 0;
    }
    
    .nav-link {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 15px 20px;
        margin: 5px 20px;
        border-radius: 12px;
        font-size: 16px;
        transition: all 0.3s ease;
    }
    
    .nav-icon {
        font-size: 20px;
    }
    
    .nav-text {
        font-size: 16px;
    }
    
    .contact-btn {
        margin: 10px 20px;
        background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
        color: white !important;
        box-shadow: 0 6px 20px rgba(var(--accent-orange-rgb), 0.3);
    }
    
    .hero-banner {
        padding: 60px 0 !important;
    }
    
    .hero-title {
        font-size: 34px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-banner .btn.btn-primary {
        width: 100%;
        max-width: 320px;
    }
    
    .grid-2, .grid-3, .grid-4, .grid-5 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    /* 移动端下拉菜单展开样式 */
    .dropdown-menu {
        position: static;
        box-shadow: none;
        background: transparent;
        padding: 0;
        margin: 0 20px 10px 20px;
        display: none;
    }
    .has-dropdown.open > .dropdown-menu { display: block; }
    .dropdown-link {
        justify-content: flex-start;
        margin: 4px 0;
        padding: 12px 14px;
        border-radius: 10px;
    }
    
    /* 表单优化 */
    .grid.grid-2 input,
    .grid.grid-2 select {
        margin-bottom: 15px;
    }
    
    /* 按钮组优化 */
    .btn {
        width: 100%;
        margin-bottom: 10px;
        text-align: center;
    }
    
    /* 统计数据优化 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
}

/* 小屏幕移动设备 */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-banner {
        padding: 40px 0 !important;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .card {
        padding: 20px 15px;
    }
    
    .card-title {
        font-size: 18px;
    }
    
    .section h2 {
        font-size: 28px !important;
    }
    
    .section h3 {
        font-size: 22px !important;
    }
    
    /* 统计数据进一步优化 */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    /* 按钮优化 */
    .btn {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    /* 表单字段优化 */
    input, select, textarea {
        font-size: 16px !important; /* 防止iOS缩放 */
    }
}

/* ===== 特殊效果 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 产品展示样式 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-green), var(--secondary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--white);
}

.product-info {
    padding: 25px;
}

.product-title {
    font-size: 20px;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.product-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 统计数据样式 ===== */
.stats-section {
    background: linear-gradient(180deg, rgba(255,255,255,1), rgba(240, 250, 245, 0.7));
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
    text-align: center;
    align-items: stretch;
}

.stat-item {
    position: relative;
    padding: 28px 24px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 6px 24px rgba(0,0,0,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(closest-side, rgba(46,139,87,0.15), rgba(46,139,87,0));
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.stat-number {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 15px;
    color: var(--text-light);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}
/* Tech Section (核心技术优势) 美化样式 */
.tech-section .grid.grid-2 { 
  gap: 28px; 
}

.tech-section .card {
  padding: 22px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.75), rgba(255,255,255,0.55));
  border: 1px solid rgba(255,255,255,0.35);
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  transition: transform .25s ease, box-shadow .25s ease;
}

.tech-section .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(0,0,0,0.12);
}

.tech-section .card-title {
  font-weight: 700;
  letter-spacing: 0.2px;
  color: transparent;
  background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
  -webkit-background-clip: text;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-section .card-title::after {
  content: "";
  display: block;
  height: 2px;
  width: 44px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
  border-radius: 2px;
}

.tech-section .card-content ul {
  margin-top: 10px;
  line-height: 1.9;
  color: var(--text-light);
}

@media (max-width: 768px) {
  .tech-section .grid.grid-2 { gap: 16px; }
  .tech-section .card { padding: 16px; }
  .tech-section .card-title { font-size: 18px; }
}

/* ===== 应用场景分类筛选样式 ===== */
.scenario-filter { 
  margin: 10px 0 30px; 
  position: relative;
  padding: 18px 14px 26px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,247,240,0.70), rgba(255,247,240,0.50));
  border: 1px solid rgba(255, 211, 61, 0.40);
  box-shadow: 0 20px 50px rgba(0,0,0,0.06);
}
.scenario-filter::before,
.scenario-filter::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(32px);
  opacity: 0.65;
}
.scenario-filter::before {
  width: 280px; height: 280px;
  top: -80px; left: -60px;
  background: radial-gradient(closest-side, rgba(var(--accent-orange-rgb),0.35), transparent 70%);
  animation: floatGlow 12s ease-in-out infinite alternate;
}
.scenario-filter::after {
  width: 320px; height: 320px;
  bottom: -100px; right: -80px;
  background: radial-gradient(closest-side, rgba(var(--accent-yellow-rgb),0.35), transparent 70%);
  animation: floatGlow 15s ease-in-out infinite alternate-reverse;
}
@keyframes floatGlow {
  0%   { transform: translateY(0) translateX(0) scale(1); }
  50%  { transform: translateY(-8px) translateX(6px) scale(1.04); }
  100% { transform: translateY(4px) translateX(-4px) scale(0.98); }
}

.scenario-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding: 8px 10px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
  backdrop-filter: blur(8px);
}

.scenario-tab {
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.8));
  color: var(--text-dark);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  outline: none;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.06);
  position: relative;
  font-size: 18px;
}

.scenario-tab:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(46, 139, 87, 0.14);
  border-color: rgba(30,144,255,0.25);
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.85));
}

.scenario-tab.active {
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(46, 139, 87, 0.30);
  transform: translateY(-1px);
}

.scenario-tab:focus-visible {
  box-shadow: 0 0 0 3px rgba(30,144,255,0.20), 0 6px 16px rgba(46,139,87,0.18);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
  perspective: 800px;
}

/* 场景卡片瀑布式入场动效（与 .fade-in.visible 配合） */
.scenario-grid.fade-in.visible .scenario-card {
  animation: cardIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.scenario-grid.fade-in.visible .scenario-card:nth-child(2)  { animation-delay: 0.06s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(3)  { animation-delay: 0.12s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(4)  { animation-delay: 0.18s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(5)  { animation-delay: 0.24s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(6)  { animation-delay: 0.30s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(7)  { animation-delay: 0.36s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(8)  { animation-delay: 0.42s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(9)  { animation-delay: 0.48s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(10) { animation-delay: 0.54s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(11) { animation-delay: 0.60s; }
.scenario-grid.fade-in.visible .scenario-card:nth-child(12) { animation-delay: 0.66s; }
@keyframes cardIn {
  0%   { opacity: 0; transform: translateY(16px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* 霓虹光效卡片（通过 .neon-cards 开启） */
.scenario-grid.neon-cards .scenario-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.86));
  border: 1px solid rgba(var(--accent-yellow-rgb), 0.35);
  box-shadow: 0 12px 28px rgba(0,0,0,0.08), 0 0 22px rgba(var(--primary-green-rgb),0.12);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
}
.scenario-grid.neon-cards .scenario-card::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -10%;
  width: 60%;
  height: 200%;
  background: linear-gradient(135deg,
    rgba(var(--primary-blue-rgb),0.10),
    rgba(var(--accent-orange-rgb),0.10),
    rgba(var(--accent-yellow-rgb),0.10));
  transform: rotate(25deg);
  filter: blur(28px);
  opacity: 0.6;
}
.scenario-grid.neon-cards .scenario-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(var(--primary-blue-rgb),0.06),
    rgba(var(--accent-orange-rgb),0.06));
  opacity: 0;
  transition: opacity 0.35s ease;
}
.scenario-grid.neon-cards .scenario-card:hover {
  transform: translateY(-6px) rotateX(3deg) rotateY(-2deg);
  box-shadow: 0 24px 50px rgba(0,0,0,0.14),
              0 0 0 4px rgba(var(--accent-yellow-rgb),0.25);
  border-color: rgba(var(--accent-yellow-rgb),0.55);
}
.scenario-grid.neon-cards .scenario-card:hover::after { opacity: 1; }

.scenario-grid.neon-cards .scenario-icon {
  transition: transform 0.35s ease, filter 0.35s ease;
  filter: drop-shadow(0 4px 10px rgba(var(--accent-orange-rgb),0.25));
}
.scenario-grid.neon-cards .scenario-card:hover .scenario-icon {
  transform: translateY(-4px) scale(1.08);
  filter: drop-shadow(0 8px 18px rgba(var(--accent-yellow-rgb),0.30));
}

.scenario-grid.neon-cards .scenario-card h4 {
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
.scenario-grid.neon-cards .scenario-card h4::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 3px;
  margin: 8px auto 0;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
  opacity: 0.7;
}

@media (max-width: 1024px) {
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-tab {
    font-size: 16px;
  }
}

.scenario-card h4 {
  color: var(--primary-green);
  margin-bottom: 10px;
}

.scenario-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
}

.scenario-icon {
  font-size: 42px;
  margin-bottom: 10px;
}

/* ===== 场景卡片描述溢出优雅处理 ===== */
.scenario-desc {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
}

.scenario-desc.clamped {
  -webkit-line-clamp: 3; /* 默认展示3行 */
}

/* 渐隐效果，提示还有更多内容 */
.scenario-desc.clamped::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,1));
}

.scenario-more {
  margin-top: 8px;
  font-size: 12px;
  color: var(--primary-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.scenario-more:hover {
  background: rgba(30, 144, 255, 0.08);
}

.scenario-more[aria-expanded="true"] {
  color: var(--primary-green);
}

@media (max-width: 768px) {
  .scenario-desc.clamped { -webkit-line-clamp: 2; }
}

/* 悬浮快捷入口 */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none; /* 默认不拦截，按钮自身可点击 */
}

.floating-actions .fab-btn {
  pointer-events: auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  font-size: 22px;
  border: 1px solid rgba(255,255,255,0.6);
  -webkit-tap-highlight-color: transparent;
}

.floating-actions .fab-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(30,144,255,0.20), 0 10px 28px rgba(0,0,0,0.18);
}

.floating-actions .fab-btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(0,0,0,0.14);
}

.floating-actions .fab-top {
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
}

.floating-actions .fab-wechat {
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
}

.floating-actions .fab-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.16);
}

.fab-popover {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 260px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
  padding: 14px 16px;
  color: var(--text-dark);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.fab-popover::before {
  content: '';
  position: absolute;
  right: 20px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.97);
  border: 1px solid var(--border-color);
  border-left: none; border-top: none;
  transform: rotate(45deg);
  box-shadow: 2px 2px 8px rgba(0,0,0,0.06);
}

.fab-popover-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.fab-popover-header .subtitle {
  font-size: 12px;
  color: var(--text-light);
}

.fab-qr {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}

.fab-qr .qr-media img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.fab-qr .qr-info p {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.btn.btn-mini {
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.fab-popover.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.fab-popover strong {
  display: block;
  color: var(--primary-green);
  margin-bottom: 6px;
  font-size: 15px;
}

.fab-popover p {
  font-size: 13px;
  color: var(--text-light);
  margin: 6px 0 10px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .floating-actions { bottom: 16px; right: 16px; gap: 10px; }
  .floating-actions .fab-btn { width: 44px; height: 44px; }
  .fab-popover { right: 16px; width: 240px; }
  .fab-qr { grid-template-columns: 100px 1fr; }
}

.map-container {
  width: 100%;
  height: 360px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  background: #f8f9fa;
}

@media (max-width: 768px) {
  .map-container {
    height: 280px;
    border-radius: 12px;
  }
}

.form-success {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(46, 204, 113, 0.08);
  border: 1px solid rgba(46, 204, 113, 0.25);
  color: var(--primary-green);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 768px) {
  .form-success {
    font-size: 13px;
    padding: 10px 12px;
  }
}
/* ===== Banner图片变体（完整显示图片并避免遮挡） ===== */
.hero-banner.hero-banner--image {
    padding: 0;            /* 由内容区控制间距 */
    background: none;      /* 移除渐变背景，突出图片 */
}
.hero-banner.hero-banner--image::before,
.hero-banner.hero-banner--image::after {
    display: none;         /* 取消伪元素覆盖，避免影响图片可读性 */
}
.hero-banner.hero-banner--image .hero-carousel {
    position: relative;
    width: 100%;
    height: var(--hc-height, 360px); /* 根据图片比例动态设置高度，提供合理回退 */
    border-radius: 0;                 /* 全宽铺满时去掉圆角 */
    overflow: hidden;
    background: #0b1933;              /* 轮播底色，保证白字与图片对比 */
}
.hero-banner.hero-banner--image .hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 800ms ease;
}
.hero-banner.hero-banner--image .hero-slide.is-active {
    opacity: 1;
}
.hero-banner.hero-banner--image .hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;   /* 完整显示图片，保持比例 */
    object-position: center;
    background: #0b1933;   /* letterbox 背景与整体一致 */
}
.hero-banner.hero-banner--image .hero-content {
    padding: 30px 0 50px;  /* 图片下方的文案区间距 */
    text-align: center;
}
.hero-banner.hero-banner--image .hero-content--panel {
    margin-top: 10px;
    padding: 28px 20px;
    border-radius: 16px;
    background:
      linear-gradient(180deg, rgba(8,16,32,0.85) 0%, rgba(8,16,32,0.72) 100%);
    color: #fff; /* 保持白色字体清晰 */
    box-shadow: 0 12px 34px rgba(0,0,0,0.18);
}
.hero-banner.hero-banner--image .hero-content--panel .hero-description {
    opacity: 0.96;
}

/* 中屏优化 */
.hero-banner.hero-banner--image .hero-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.45);
    color: #fff;
    display: grid;
    place-items: center;
    cursor: pointer;
    z-index: 2;
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
    backdrop-filter: blur(4px) saturate(1.2);
}
.hero-banner.hero-banner--image .hero-control:hover {
    background: rgba(255,255,255,0.28);
    box-shadow: 0 8px 22px rgba(0,0,0,0.18);
    transform: translateY(-50%) scale(1.04);
}
.hero-banner.hero-banner--image .hero-control.hero-prev { left: 16px; }
.hero-banner.hero-banner--image .hero-control.hero-next { right: 16px; }

@media (max-width: 768px) {
    .hero-banner.hero-banner--image .hero-content {
        padding: 24px 0 40px;
    }
    .hero-banner.hero-banner--image .hero-carousel {
        height: var(--hc-height, 320px);
        max-height: 70vh;        /* 中屏高度上限，避免过高 */
    }
    .hero-banner.hero-banner--image .hero-control {
        width: 38px;
        height: 38px;
    }
    .hero-banner.hero-banner--image .hero-content--panel {
        padding: 22px 16px;
        border-radius: 14px;
    }
}

/* 小屏优化 */
@media (max-width: 480px) {
    .hero-banner.hero-banner--image .hero-content {
        padding: 20px 0 36px;
    }
    .hero-banner.hero-banner--image .hero-carousel {
        height: var(--hc-height, 240px); /* 更紧凑的回退高度 */
        max-height: 60vh;                /* 小屏高度上限 */
        touch-action: pan-y;             /* 避免与页面滚动冲突 */
    }
    /* 移动端要求：图片等比且完全铺满容器区域（不失真） */
    .hero-banner.hero-banner--image .hero-slide img {
        object-fit: cover;
        object-position: center;
    }
    .hero-banner.hero-banner--image .hero-control {
        width: 34px;
        height: 34px;
        opacity: 0.85;                  /* 控件不喧宾夺主 */
    }
    .hero-banner.hero-banner--image .hero-content--panel {
        padding: 18px 12px;
        border-radius: 12px;
    }
}
/* 让轮播容器突破常规容器的最大宽度，进行全屏铺满 */
.container--fluid {
    max-width: none;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
}

/* Hero Carousel 美化修饰 */
.hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 16px 44px rgba(0,0,0,0.14);
    /* 两侧淡入边缘遮罩，让图片更柔和 */
    -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1) 8%, rgba(0,0,0,1) 92%, rgba(0,0,0,0));
    mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1) 8%, rgba(0,0,0,1) 92%, rgba(0,0,0,0));
}

/* 底部进度条（循环动画） */
.hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-orange));
    transform-origin: left center;
    animation: heroProgress 8s linear infinite;
    opacity: 0.75;
}
@keyframes heroProgress {
    0%   { transform: scaleX(0); opacity: 0.85; }
    100% { transform: scaleX(1); opacity: 0.55; }
}

/* 图片悬停轻微缩放 */
.hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled .hero-slide img {
    transition: transform 0.6s ease;
}
.hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled:hover .hero-slide.is-active img {
    transform: scale(1.02);
}

/* 圆点指示器 */
.hero-banner.hero-banner--image .hero-indicators {
    position: absolute;
    left: 50%;
    bottom: 12px;
    transform: translateX(-50%);
    display: inline-flex;
    gap: 8px;
    z-index: 3;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.40);
    backdrop-filter: blur(6px) saturate(1.1);
}
.hero-banner.hero-banner--image .hero-indicators .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.75);
    border: 1px solid rgba(255,255,255,0.55);
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.hero-banner.hero-banner--image .hero-indicators .dot.is-active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    box-shadow: 0 0 10px rgba(var(--accent-orange-rgb), 0.45);
    transform: scale(1.25);
}

@media (max-width: 768px) {
    .hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled { border-radius: 14px; }
    .hero-banner.hero-banner--image .hero-indicators { bottom: 10px; padding: 5px 8px; gap: 6px; }
    .hero-banner.hero-banner--image .hero-indicators .dot { width: 7px; height: 7px; }
}
@media (max-width: 480px) {
    .hero-banner.hero-banner--image .hero-carousel.hero-carousel--styled { border-radius: 12px; }
    .hero-banner.hero-banner--image .hero-indicators { bottom: 8px; padding: 4px 7px; gap: 6px; }
    .hero-banner.hero-banner--image .hero-indicators .dot { width: 6px; height: 6px; }
}

/* ===== 跑马灯（Marquee）样式 ===== */
.marquee {
    position: relative;
    overflow: hidden;
    --item-width: 340px;
    --gap: 20px;
    --marquee-duration: 24s;
    padding: 8px 0;
    -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1) 8%, rgba(0,0,0,1) 92%, rgba(0,0,0,0));
    mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1) 8%, rgba(0,0,0,1) 92%, rgba(0,0,0,0));
}

.marquee-track {
    display: inline-flex;
    align-items: stretch;
    gap: var(--gap);
    animation: marquee-scroll var(--marquee-duration) linear infinite;
    will-change: transform;
}

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

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); } /* 双份内容，移动半程实现无缝循环 */
}

.marquee-item {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-width: var(--item-width);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.marquee-item .mi-media {
    height: 140px;
    background: #f4f7fb;
    overflow: hidden;
    aspect-ratio: 1 / 1; height: auto;
}

.marquee-item .mi-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 12px;
    transition: transform .35s ease;
}

.marquee-item:hover .mi-media img {
    transform: scale(1.03);
}

.marquee-item .card-title {
    margin: 10px 16px 6px;
}

.marquee-item .card-content {
    margin: 0 16px 10px;
    color: var(--text-light);
}

.marquee-item .card-actions {
    margin: 0 16px 16px;
}

@media (max-width: 768px) {
    .marquee { --item-width: 280px; --gap: 16px; --marquee-duration: 20s; }
    .marquee-item .mi-media { height: 120px; }
}

@media (max-width: 480px) {
    .marquee { --item-width: 240px; --gap: 12px; --marquee-duration: 18s; }
    .marquee-item .mi-media { height: 110px; }
}

/* ===== 工具区炫彩背景与卡片动效 ===== */
.tools-section {
    position: relative;
    background:
        radial-gradient(1000px 480px at 85% -10%, rgba(255,185,97,0.16), rgba(255,185,97,0)),
        radial-gradient(900px 520px at -10% 60%, rgba(30,144,255,0.18), rgba(30,144,255,0)),
        linear-gradient(180deg, rgba(255,255,255,1), rgba(248,250,255,0.92));
    overflow: hidden;
}
.tools-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        conic-gradient(from 180deg at 20% 20%, rgba(255,255,255,0.35), rgba(255,255,255,0) 25%, rgba(255,255,255,0.35) 50%, rgba(255,255,255,0) 75%);
    mix-blend-mode: overlay;
    opacity: 0.35;
    pointer-events: none;
}

.tool-card {
    position: relative;
    padding: 22px 18px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.62));
    border: 1px solid rgba(255,255,255,0.42);
    box-shadow: 0 12px 30px rgba(0,0,0,0.10);
    transition: transform .25s ease, box-shadow .25s ease;
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.14);
}
.tool-card::after {
    content: '';
    position: absolute;
    top: -20%; left: -20%;
    width: 140%; height: 140%;
    background: radial-gradient(closest-side, rgba(255,185,97,0.12), rgba(0,0,0,0));
    filter: blur(12px);
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
}
.tool-card:hover::after { opacity: 1; }

.tool-card .card-title {
    font-weight: 800;
    letter-spacing: 0.3px;
    color: transparent;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-orange));
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 6px;
}

.tool-icon {
    width: 74px; height: 74px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center; justify-content: center;
    font-size: 42px;
    background: linear-gradient(135deg, rgba(30,144,255,0.16), rgba(255,185,97,0.16));
    border: 1px solid rgba(255,255,255,0.65);
    box-shadow: 0 8px 22px rgba(0,0,0,0.12), inset 0 3px 12px rgba(255,255,255,0.55);
    transition: transform .25s ease;
}
.tool-card:hover .tool-icon { transform: scale(1.06); }

/* 炫光按钮 */
.btn.btn-primary.btn--glow {
    position: relative;
    overflow: hidden;
}
.btn.btn-primary.btn--glow::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(closest-side at 20% 50%, rgba(255,255,255,0.5), rgba(255,255,255,0) 60%);
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
}
.btn.btn-primary.btn--glow:hover::after { opacity: 1; }

/* ===== 农业文化旅游区炫彩背景与卡片动效 ===== */
.agri-section {
    position: relative;
    background:
        radial-gradient(980px 520px at 90% 0%, rgba(0,168,204,0.14), rgba(0,168,204,0)),
        radial-gradient(820px 520px at 10% 90%, rgba(46,139,87,0.16), rgba(46,139,87,0)),
        linear-gradient(180deg, rgba(255,255,255,1), rgba(240,250,245,0.92));
    overflow: hidden;
}
.agri-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(30deg, rgba(255,255,255,0.4) 0px, rgba(255,255,255,0.4) 2px, rgba(255,255,255,0) 3px, rgba(255,255,255,0) 6px);
    mix-blend-mode: soft-light;
    opacity: 0.35;
    pointer-events: none;
}

.agri-card {
    position: relative;
    padding: 22px 18px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.66));
    border: 1px solid rgba(255,255,255,0.42);
    box-shadow: 0 12px 30px rgba(0,0,0,0.10);
    transition: transform .25s ease, box-shadow .25s ease;
}
.agri-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.14);
}
.agri-card .card-title {
    font-weight: 800;
    letter-spacing: 0.3px;
    color: transparent;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 6px;
}

/* ===== 响应式优化 ===== */
@media (max-width: 1024px) {
    .tools-section .grid.grid-3,
    .agri-section .grid.grid-3 { gap: 24px; }
}
@media (max-width: 768px) {
    .tools-section .grid.grid-3,
    .agri-section .grid.grid-3 { gap: 18px; }
    .tool-icon { width: 64px; height: 64px; font-size: 36px; margin-bottom: 12px; }
    .tool-card, .agri-card { padding: 18px 14px; border-radius: 14px; }
}
@media (max-width: 480px) {
    .tools-section .grid.grid-3,
    .agri-section .grid.grid-3 { gap: 14px; }
    .tool-icon { width: 56px; height: 56px; font-size: 32px; margin-bottom: 10px; }
    .tool-card, .agri-card { padding: 16px 12px; border-radius: 12px; }
}