/* ============================================================
   绿盾植保 - 手机版样式（< 768px 自动启用，PC 版设计不受影响）
   依据 test4 手机版设计稿移植：
   - 流式根字号 clamp(14px, 4.2vw, 17px)，全站 rem 随视口缩放
   - 固定悬浮双行导航（Logo+预约 / 横向滑动菜单）
   - 单列堆叠布局 + 全 clamp() 流式尺寸
   ============================================================ */

@media (max-width: 767.98px) {

  /* ===== 流式根字号与基础 ===== */
  html {
    font-size: clamp(14px, 4.2vw, 17px);
    scroll-behavior: smooth;
  }
  * {
    -webkit-tap-highlight-color: transparent;
  }
  body {
    min-height: 100dvh;
  }
  /* 锚点跳转时为固定导航留出空间 */
  [id] {
    scroll-margin-top: clamp(110px, 30vw, 150px);
  }

  /* ===== 背景层（降低模糊半径，减小光晕） ===== */
  .bg-glow {
    filter: blur(90px);
    opacity: 0.75;
  }
  .glow-1 {
    width: min(120vw, 700px);
    height: min(120vw, 700px);
    top: -25vh;
    right: -30vw;
  }
  .glow-2 {
    width: min(100vw, 600px);
    height: min(100vw, 600px);
    bottom: -15vh;
    left: -30vw;
  }
  .glow-3 {
    display: none;
  }
  .bg-grid {
    background-size: clamp(36px, 10vw, 56px) clamp(36px, 10vw, 56px);
  }
  .top-beam {
    width: 85%;
    height: 2px;
    z-index: 60;
  }

  /* ===== 容器：640px 内容宽 + 顶部为固定导航留白 ===== */
  .container {
    max-width: 640px;
    padding: clamp(127px, 32.5vw, 157px) clamp(14px, 4vw, 24px) clamp(24px, 6vw, 40px);
  }

  /* ============================================================
     固定悬浮导航 — 双行布局
     第一行：Logo + 预约按钮（order 1 / 2）
     第二行：导航链接（order 3，占满整行，可横向滑动）
     ============================================================ */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    max-width: 640px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: clamp(6px, 1.8vw, 10px);
    padding: calc(clamp(10px, 2.8vw, 14px) + env(safe-area-inset-top, 0px)) clamp(8px, 2.5vw, 14px) clamp(8px, 2.2vw, 12px);
    border-radius: 0 0 clamp(18px, 5vw, 24px) clamp(18px, 5vw, 24px);
    background: rgba(5, 14, 11, 0.88);
    border-color: rgba(0, 255, 170, 0.2);
    border-top: none;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
      0 8px 30px -8px rgba(0, 0, 0, 0.9),
      0 0 0 1px rgba(0, 255, 170, 0.05),
      inset 0 1px 0 rgba(0, 255, 170, 0.1);
    transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
  }
  /* 滚动后加深 */
  .navbar.scrolled {
    background: rgba(5, 14, 11, 0.96);
    border-color: rgba(0, 255, 170, 0.35);
    box-shadow:
      0 12px 40px -8px rgba(0, 0, 0, 0.95),
      0 0 40px rgba(0, 255, 170, 0.12),
      inset 0 1px 0 rgba(0, 255, 170, 0.15);
  }

  /* 第一行：Logo */
  .logo {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
    gap: clamp(6px, 1.8vw, 10px);
    font-size: clamp(1rem, 4vw, 1.25rem);
    letter-spacing: 0.5px;
  }
  .logo-icon {
    width: clamp(32px, 8.5vw, 40px);
    height: clamp(32px, 8.5vw, 40px);
    border-radius: clamp(9px, 2.5vw, 12px);
    font-size: clamp(1rem, 4vw, 1.3rem);
    box-shadow: 0 4px 16px rgba(0, 255, 170, 0.4);
  }
  .logo:hover .logo-icon {
    transform: none;
    box-shadow: 0 4px 16px rgba(0, 255, 170, 0.4);
  }

  /* 第一行：预约按钮（缩短文案） */
  .nav-cta {
    order: 2;
    flex-shrink: 0;
    padding: clamp(7px, 2vw, 9px) clamp(12px, 3.5vw, 18px);
    border-radius: 40px;
    font-size: clamp(0.68rem, 2.7vw, 0.8rem);
    min-height: 34px;
  }
  .nav-cta .nav-cta-text {
    display: none;
  }
  .nav-cta::after {
    content: '预约';
  }
  .nav-cta:active {
    background: rgba(0, 255, 170, 0.18);
    border-color: #00ffaa;
    transform: scale(0.96);
  }

  /* 第二行：导航链接（放不下时横向滑动，隐藏滚动条） */
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: clamp(1px, 0.8vw, 5px);
    margin-top: 0;
    padding-top: clamp(6px, 1.8vw, 10px);
    border-top: 1px solid rgba(0, 255, 170, 0.1);
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    position: relative;
  }
  /* 右侧渐隐提示：仅在链接溢出（可滑动）时由 JS 开启 */
  .nav-links::after { content: none; }
  .nav-links.has-overflow::after {
    content: '';
    position: sticky;
    right: 0;
    top: 0;
    flex: 0 0 28px;
    margin-left: -28px;
    background: linear-gradient(90deg, rgba(5, 14, 11, 0), rgba(5, 14, 11, 0.92) 70%);
    pointer-events: none;
    z-index: 2;
  }
  .nav-links::-webkit-scrollbar {
    display: none;
  }

  /* 导航按钮改为胶囊风格（去掉 PC 下划线动效） */
  .nav-btn {
    flex-shrink: 0;
    font-size: clamp(0.62rem, 2.5vw, 0.8rem);
    letter-spacing: 0;
    padding: clamp(6px, 1.8vw, 9px) clamp(6px, 1.8vw, 11px);
    border-radius: 30px;
    border: none;
    white-space: nowrap;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    overflow: visible;
  }
  .nav-btn::before,
  .nav-btn::after,
  .nav-btn .glow-ring,
  .nav-btn .active-dot {
    display: none;
  }
  .nav-btn:hover {
    transform: none;
    color: #8fb3a8;
    text-shadow: none;
  }
  .nav-btn.active {
    color: #00ffaa;
    font-weight: 700;
    background: rgba(0, 255, 170, 0.12);
    box-shadow: inset 0 0 0 1px rgba(0, 255, 170, 0.4), 0 0 16px rgba(0, 255, 170, 0.15);
    text-shadow: 0 0 10px rgba(0, 255, 170, 0.5);
  }
  .nav-btn:active {
    background: rgba(0, 255, 170, 0.15);
  }

  /* ===== HERO：纵向堆叠 ===== */
  .hero {
    flex-direction: column;
    gap: clamp(28px, 7vw, 44px);
    margin-bottom: clamp(30px, 8vw, 50px);
    min-height: auto;
    padding-top: 0;
  }
  .hero-content {
    flex: 1 1 auto;
  }
  .hero-badge {
    gap: 8px;
    padding: clamp(6px, 1.8vw, 9px) clamp(14px, 4vw, 20px);
    font-size: clamp(0.6rem, 2.5vw, 0.72rem);
    letter-spacing: 0.8px;
    margin-bottom: clamp(16px, 4vw, 22px);
    width: fit-content;
    max-width: 100%;
    line-height: 1.4;
  }
  .hero h1 {
    font-size: clamp(1.75rem, 7.2vw, 2.6rem);
    line-height: 1.16;
    letter-spacing: -0.02em;
    margin-bottom: clamp(14px, 3.5vw, 20px);
  }
  .hero p {
    font-size: clamp(0.88rem, 3.4vw, 1rem);
    max-width: none;
    margin-bottom: clamp(22px, 5.5vw, 30px);
    line-height: 1.8;
  }
  .hero-actions {
    flex-wrap: wrap;
    gap: clamp(10px, 2.5vw, 14px);
    margin-bottom: clamp(26px, 6vw, 36px);
  }
  .hero-actions .btn-outline {
    flex: 1 1 auto;
    min-width: 130px;
  }
  .btn-outline {
    padding: clamp(10px, 2.8vw, 13px) clamp(16px, 4.5vw, 24px);
    border-radius: 40px;
    font-size: clamp(0.78rem, 3.1vw, 0.9rem);
    min-height: 44px;
    gap: 6px;
  }
  .btn-outline:active {
    background: rgba(0, 255, 170, 0.18);
    transform: scale(0.97);
  }
  .btn-solid:active {
    box-shadow: 0 3px 16px rgba(0, 255, 170, 0.6);
  }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(14px, 4vw, 24px);
    padding-top: clamp(18px, 4.5vw, 26px);
  }
  .stat-number {
    font-size: clamp(1.5rem, 6.5vw, 2.1rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
  }
  .stat-label {
    font-size: clamp(0.6rem, 2.4vw, 0.72rem);
    letter-spacing: 0.6px;
    margin-top: 6px;
    line-height: 1.4;
  }

  /* ===== 设备视觉（隐藏侧浮标签） ===== */
  .device-visual {
    flex: 1 1 auto;
    min-height: clamp(260px, 72vw, 340px);
  }
  .device-tags {
    display: none;
  }
  .halo-1 {
    width: clamp(230px, 72vw, 320px);
    height: clamp(230px, 72vw, 320px);
  }
  .halo-2 {
    width: clamp(175px, 55vw, 245px);
    height: clamp(175px, 55vw, 245px);
  }
  .halo-3 {
    width: clamp(125px, 38vw, 175px);
    height: clamp(125px, 38vw, 175px);
  }
  .device-core {
    width: clamp(150px, 44vw, 195px);
    height: clamp(200px, 60vw, 260px);
    border-radius: clamp(22px, 6.5vw, 30px);
    backdrop-filter: blur(20px);
    gap: clamp(7px, 2vw, 11px);
    padding: clamp(14px, 4vw, 20px);
  }
  .device-core:hover {
    transform: none;
    box-shadow: 0 0 80px rgba(0, 255, 170, 0.15), 0 20px 40px -20px rgba(0, 0, 0, 0.9);
  }
  .device-icon {
    font-size: clamp(2.4rem, 10vw, 3.4rem);
  }
  .device-name {
    font-size: clamp(0.68rem, 2.8vw, 0.82rem);
    letter-spacing: 2px;
  }
  .device-model {
    font-size: clamp(0.55rem, 2.2vw, 0.65rem);
    letter-spacing: 1.4px;
  }
  .device-water {
    font-size: clamp(0.6rem, 2.4vw, 0.72rem);
    letter-spacing: 0.8px;
  }

  /* ===== 章节标题 ===== */
  .section-header {
    margin-bottom: clamp(16px, 4.5vw, 26px);
    padding-left: clamp(14px, 3.5vw, 18px);
  }
  .section-header::before {
    box-shadow: 0 0 16px rgba(0, 255, 170, 0.5);
  }
  .section-title {
    display: block;
    font-size: clamp(1.3rem, 5.5vw, 1.7rem);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
    line-height: 1.3;
  }
  .section-sub {
    font-size: clamp(0.78rem, 3vw, 0.9rem);
    letter-spacing: 0.3px;
    line-height: 1.5;
  }

  /* ===== 核心技术 ===== */
  .core-tech {
    border-radius: clamp(24px, 7vw, 34px);
    padding: clamp(22px, 6vw, 34px) clamp(16px, 4.5vw, 26px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .core-tech-grid {
    grid-template-columns: 1fr;
    gap: clamp(22px, 6vw, 32px);
  }
  .core-tech-left h2 {
    font-size: clamp(1.5rem, 6.5vw, 2rem);
    line-height: 1.22;
    margin-bottom: clamp(12px, 3vw, 18px);
  }
  .core-tech-left p {
    font-size: clamp(0.86rem, 3.3vw, 0.96rem);
    line-height: 1.8;
    margin-bottom: clamp(18px, 4.5vw, 24px);
  }
  .core-tech-tags {
    gap: clamp(6px, 2vw, 10px);
  }
  .core-tag {
    padding: clamp(5px, 1.6vw, 8px) clamp(12px, 3.5vw, 18px);
    font-size: clamp(0.68rem, 2.8vw, 0.8rem);
    letter-spacing: 0.3px;
  }
  .core-tech-right {
    gap: clamp(10px, 3vw, 16px);
  }
  .core-point {
    gap: clamp(12px, 3.5vw, 18px);
    border-radius: clamp(16px, 5vw, 22px);
    padding: clamp(14px, 4vw, 20px) clamp(12px, 4vw, 20px);
    align-items: center;
  }
  .core-point:hover {
    transform: none;
  }
  .core-point-icon {
    width: clamp(42px, 12vw, 52px);
    height: clamp(42px, 12vw, 52px);
    font-size: clamp(1.3rem, 5vw, 1.7rem);
    border-radius: clamp(12px, 3.5vw, 16px);
  }
  .core-point h4 {
    font-size: clamp(0.94rem, 3.8vw, 1.06rem);
    margin-bottom: 3px;
  }
  .core-point p {
    font-size: clamp(0.76rem, 3vw, 0.86rem);
    line-height: 1.6;
  }

  /* ===== 轮播 ===== */
  .carousel-section {
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .carousel-wrapper {
    border-radius: clamp(20px, 6vw, 30px);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.9);
  }
  .carousel-slide {
    aspect-ratio: 16 / 11;
  }
  .carousel-slide:hover img {
    transform: none;
  }
  .slide-overlay {
    padding: 0 clamp(16px, 6vw, 40px);
    background: linear-gradient(90deg, rgba(5, 10, 8, 0.92) 0%, rgba(5, 10, 8, 0.4) 60%, rgba(5, 10, 8, 0.75) 100%);
  }
  .slide-tag {
    font-size: clamp(0.58rem, 2.4vw, 0.68rem);
    letter-spacing: 1.8px;
    gap: 8px;
    margin-bottom: clamp(6px, 2vw, 10px);
  }
  .slide-tag::before {
    width: clamp(16px, 5vw, 24px);
  }
  .slide-title {
    font-size: clamp(1.05rem, 4.6vw, 1.45rem);
    line-height: 1.25;
    margin-bottom: 6px;
    max-width: 92%;
    text-shadow: none;
  }
  .slide-desc {
    font-size: clamp(0.68rem, 2.7vw, 0.8rem);
    line-height: 1.5;
    max-width: 92%;
  }
  .carousel-info {
    top: clamp(12px, 3.5vw, 18px);
    left: clamp(12px, 3.5vw, 18px);
    gap: 7px;
    padding: clamp(5px, 1.5vw, 8px) clamp(10px, 3vw, 16px);
    backdrop-filter: blur(12px);
  }
  .carousel-info span {
    font-size: clamp(0.58rem, 2.3vw, 0.68rem);
    letter-spacing: 1.2px;
  }
  .carousel-dots {
    bottom: clamp(12px, 3.5vw, 18px);
    right: clamp(14px, 4vw, 22px);
    gap: 6px;
  }
  .carousel-dots .dot {
    width: 6px;
    height: 6px;
  }
  .carousel-dots .dot.active {
    width: 22px;
    border-radius: 10px;
  }

  /* ===== 核心价值卡片（单列，≥520px 两列见下方媒体查询） ===== */
  .card-grid {
    grid-template-columns: 1fr;
    gap: clamp(12px, 3.5vw, 18px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .tech-card {
    border-radius: clamp(20px, 6vw, 28px);
    padding: clamp(22px, 5.5vw, 30px) clamp(18px, 5vw, 26px);
  }
  .tech-card:hover {
    transform: none;
  }
  .card-icon {
    width: clamp(48px, 13vw, 58px);
    height: clamp(48px, 13vw, 58px);
    border-radius: clamp(14px, 4vw, 18px);
    font-size: clamp(1.4rem, 5.5vw, 1.7rem);
    margin-bottom: clamp(14px, 3.5vw, 18px);
  }
  .tech-card h3 {
    font-size: clamp(1.12rem, 4.5vw, 1.3rem);
    margin-bottom: 8px;
  }
  .tech-card p {
    font-size: clamp(0.8rem, 3.1vw, 0.9rem);
    margin-bottom: clamp(14px, 3.5vw, 18px);
    line-height: 1.7;
  }
  .card-tag {
    padding: clamp(4px, 1.2vw, 6px) clamp(12px, 3.5vw, 18px);
    font-size: clamp(0.58rem, 2.3vw, 0.68rem);
    letter-spacing: 1.2px;
  }

  /* ===== 效益数据 ===== */
  .benefit-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: clamp(18px, 5vw, 28px) clamp(10px, 3vw, 18px);
    border-radius: clamp(24px, 7vw, 34px);
    padding: clamp(24px, 6.5vw, 36px) clamp(16px, 4.5vw, 28px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .benefit-item {
    min-width: 0;
  }
  .benefit-item:hover {
    transform: none;
  }
  .benefit-value {
    font-size: clamp(1.5rem, 6.2vw, 2.1rem);
    white-space: nowrap;
  }
  .benefit-value .unit {
    font-size: clamp(0.6rem, 2.5vw, 0.78rem);
    margin-left: 2px;
  }
  .benefit-label {
    font-size: clamp(0.58rem, 2.4vw, 0.68rem);
    letter-spacing: 0.6px;
    margin-top: 8px;
    line-height: 1.4;
  }

  /* ===== 工作流程（单列） ===== */
  .workflow {
    grid-template-columns: 1fr;
    gap: clamp(10px, 3vw, 16px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .flow-step {
    border-radius: clamp(18px, 5.5vw, 24px);
    padding: clamp(18px, 5vw, 26px) clamp(16px, 4.5vw, 22px);
    padding-left: clamp(20px, 6vw, 26px);
  }
  .flow-step:hover {
    transform: none;
  }
  .flow-num {
    font-size: clamp(0.58rem, 2.4vw, 0.68rem);
    letter-spacing: 1.8px;
    margin-bottom: clamp(8px, 2.5vw, 12px);
    gap: 10px;
  }
  .flow-title {
    font-size: clamp(1rem, 4.2vw, 1.15rem);
    margin-bottom: 6px;
  }
  .flow-desc {
    font-size: clamp(0.78rem, 3.1vw, 0.88rem);
    line-height: 1.6;
  }

  /* ===== 子页面横幅 ===== */
  .page-hero {
    border-radius: clamp(20px, 6vw, 30px);
    margin-bottom: clamp(30px, 8vw, 50px);
    aspect-ratio: 16 / 9;
    min-height: 170px;
  }
  .page-hero .slide-overlay {
    padding: 0 clamp(16px, 6vw, 40px);
  }
  .page-hero .slide-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
    line-height: 1.25;
    max-width: 100%;
  }
  .page-hero .slide-tag {
    margin-bottom: 10px;
  }

  /* ===== 分类筛选（横向滑动） ===== */
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: clamp(8px, 2vw, 10px);
    margin-bottom: clamp(20px, 5vw, 30px);
    padding-bottom: 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
  }
  .filter-bar::-webkit-scrollbar {
    display: none;
  }
  .filter-pill {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    border-radius: 40px;
    padding: clamp(8px, 2.2vw, 10px) clamp(16px, 4vw, 20px);
    font-size: clamp(0.78rem, 3vw, 0.85rem);
    min-height: 40px;
  }
  .filter-pill:hover {
    transform: none;
  }

  /* ===== 案例 / 产品列表（单列） ===== */
  .case-grid,
  .product-grid {
    grid-template-columns: 1fr;
    gap: clamp(14px, 4vw, 20px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .case-card:hover,
  .product-card:hover {
    transform: none;
  }
  .case-card:hover .case-card-img img,
  .product-card:hover .product-card-img img {
    transform: none;
  }
  .case-card-cat,
  .product-card-model {
    top: clamp(12px, 3.5vw, 16px);
    left: clamp(12px, 3.5vw, 16px);
    padding: 5px 14px;
    font-size: clamp(0.62rem, 2.4vw, 0.7rem);
    letter-spacing: 1.2px;
  }
  .case-card-body,
  .product-card-body {
    padding: clamp(18px, 5vw, 24px);
  }
  .case-card-body h3 {
    font-size: clamp(1.05rem, 4.2vw, 1.2rem);
  }
  .product-card-body h3 {
    font-size: clamp(1.1rem, 4.4vw, 1.25rem);
  }
  .case-card-body p,
  .product-card-body p {
    font-size: clamp(0.8rem, 3.1vw, 0.88rem);
    margin-bottom: clamp(14px, 4vw, 18px);
  }
  .case-card-result {
    padding: 5px 14px;
    font-size: clamp(0.65rem, 2.6vw, 0.74rem);
  }

  /* ===== 详情页 ===== */
  .detail-layout {
    grid-template-columns: 1fr;
    gap: clamp(20px, 5vw, 28px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .detail-main {
    border-radius: clamp(20px, 6vw, 28px);
  }
  .detail-main-img {
    aspect-ratio: 16 / 10;
  }
  .detail-main-body {
    padding: clamp(20px, 5.5vw, 28px);
  }
  .detail-main-body h1 {
    font-size: clamp(1.3rem, 5.5vw, 1.6rem);
    margin-bottom: 18px;
    line-height: 1.35;
  }
  .detail-content {
    font-size: 0.95rem;
    line-height: 1.9;
  }
  .detail-result-box {
    margin-top: clamp(20px, 5vw, 26px);
    border-radius: clamp(16px, 5vw, 20px);
    padding: clamp(16px, 4.5vw, 20px);
    gap: 10px;
  }
  .detail-result-box .txt {
    font-size: 0.95rem;
  }
  .detail-side {
    position: static;
    gap: clamp(14px, 4vw, 18px);
  }
  .side-card {
    border-radius: clamp(18px, 5vw, 24px);
    padding: clamp(18px, 5vw, 24px);
  }
  .side-cta {
    border-radius: clamp(18px, 5vw, 24px);
    padding: clamp(20px, 5.5vw, 26px);
  }
  .side-cta .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .back-link {
    margin-bottom: clamp(16px, 4vw, 20px);
  }

  /* ===== 预约表单（单列，输入框 16px 防 iOS 缩放） ===== */
  .booking-wrap {
    grid-template-columns: 1fr;
    gap: clamp(20px, 5vw, 28px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .booking-form-card {
    border-radius: clamp(20px, 6vw, 28px);
    padding: clamp(20px, 5.5vw, 30px);
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: clamp(16px, 4.5vw, 22px);
  }
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* 固定 16px：防止 iOS Safari 聚焦缩放 */
    padding: clamp(12px, 3vw, 14px) clamp(14px, 4vw, 18px);
    border-radius: 14px;
    min-height: 48px;
  }
  .form-textarea {
    min-height: 120px;
  }
  .form-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-top: clamp(22px, 6vw, 30px);
  }
  .form-actions .btn-outline {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }
  .form-hint {
    text-align: center;
  }

  /* ===== 提示条 / 分页 / 空状态 ===== */
  .alert {
    border-radius: 16px;
    padding: clamp(14px, 4vw, 18px) clamp(16px, 4.5vw, 20px);
    font-size: clamp(0.82rem, 3.2vw, 0.9rem);
    margin-bottom: clamp(20px, 5vw, 28px);
  }
  .pagination {
    gap: 8px;
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .page-link {
    min-width: 42px;
    height: 42px;
  }
  .page-link:hover {
    transform: none;
  }
  .empty-state {
    padding: clamp(34px, 9vw, 48px) 20px;
    border-radius: clamp(20px, 6vw, 28px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .empty-state .icon {
    font-size: 2.6rem;
  }

  /* ===== 关于我们 ===== */
  .about-grid {
    grid-template-columns: 1fr;
    gap: clamp(18px, 5vw, 28px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .about-text h2 {
    font-size: clamp(1.5rem, 6vw, 1.9rem);
    line-height: 1.25;
    margin-bottom: clamp(18px, 4.5vw, 24px);
  }
  .about-text p {
    font-size: clamp(0.92rem, 3.5vw, 1rem);
    line-height: 1.9;
  }
  .about-points {
    gap: clamp(12px, 3.5vw, 16px);
  }
  .about-point {
    gap: clamp(12px, 3.5vw, 16px);
    border-radius: clamp(16px, 5vw, 22px);
    padding: clamp(16px, 4.5vw, 22px);
  }
  .about-point:hover {
    transform: none;
  }
  .about-point .icon {
    width: clamp(44px, 12vw, 50px);
    height: clamp(44px, 12vw, 50px);
    font-size: clamp(1.4rem, 5.5vw, 1.7rem);
    border-radius: clamp(12px, 3.5vw, 14px);
  }
  .contact-card {
    border-radius: clamp(20px, 6vw, 28px);
    padding: clamp(16px, 4.5vw, 24px);
    margin-bottom: clamp(30px, 8vw, 50px);
  }
  .contact-list {
    grid-template-columns: 1fr;
    gap: clamp(12px, 3.5vw, 16px);
  }
  .contact-item .icon {
    width: clamp(44px, 12vw, 48px);
    height: clamp(44px, 12vw, 48px);
    border-radius: clamp(12px, 3.5vw, 14px);
    font-size: clamp(1.3rem, 5vw, 1.5rem);
  }
  .contact-item .value {
    font-size: 0.95rem;
  }

  /* ===== 底部（居中堆叠） ===== */
  .footer {
    flex-direction: column;
    align-items: center;
    gap: clamp(12px, 3.5vw, 18px);
    padding-top: clamp(20px, 5.5vw, 30px);
    font-size: clamp(0.68rem, 2.7vw, 0.78rem);
    text-align: center;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(16px, 5vw, 26px);
  }
  .footer-links a {
    padding: 4px 0;
  }
}

/* ===== 平板 / 大屏手机（520px ~ 767px）：紧凑组件两列 ===== */
@media (min-width: 520px) and (max-width: 767.98px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefit-bar {
    grid-template-columns: repeat(3, 1fr);
  }
  .workflow {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 小屏微调（≤340px） ===== */
@media (max-width: 340px) {
  .nav-btn {
    font-size: 0.62rem;
    padding: 5px 8px;
  }
  .logo {
    font-size: 0.9rem;
  }
  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
  }
  .nav-cta {
    font-size: 0.6rem;
    padding: 5px 8px;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .stat-number {
    font-size: 1.25rem;
  }
  .benefit-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 减弱动效（无障碍，全部宽度生效） ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}