/* 修复子菜单在悬停时不显示的问题 */
.dropdown-item:hover .submenu {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateX(0) !important;
}

:root {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  font-weight: 400;
  --primary: #1E4B6E;
  --primary-dark: #0F3550;
  --accent: #2C9CD4;
  --accent-light: #E6F4FF;
  --gray-bg: #F8FAFE;
  --gray-border: #E9EDF2;
  --text-dark: #1A2C3E;
  --text-light: #5A6E7E;
  --text-lighter: #8190A5;
  --gold: #E8B342;
  --color-gold: #f59e0b;
  --color-bg-dark: #0f172a;
  --ripple-blue: rgba(44,156,212,0.3);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* .font12 {
  font-size: clamp(0.75rem, 3vw + 0.1rem, 0.95rem);
}
.font14 {
  font-size: clamp(0.75rem, 3vw + 0.125rem, 1rem);
}
.font16 {
  font-size: clamp(0.85rem, 3vw + 0.2rem, 1.1rem);
}
.font18 {
  font-size: clamp(0.875rem, 3vw + 0.25rem, 1.125rem);
}
.font20 {
  font-size: clamp(1rem, 3vw + 0.35rem, 1.3rem);
}
.font24 {
  font-size: clamp(1.2rem, 3vw + 0.5rem, 1.6rem);
}
.font26 {
  font-size: clamp(1.3rem, 3vw + 0.6rem, 1.7rem);
}
.font30 {
  font-size: clamp(1.5rem, 3vw + 0.75rem, 2rem);
}
.font48{font-size: clamp(1.5rem, 3vw + 0.75rem, 3rem);}
.font64{font-size: max(2rem, 2.6vw + 1rem);} */
/* .font12 { font-size: clamp(0.375rem, 2.6vw + 0.1875rem, 0.75rem); }
.font14 { font-size: clamp(0.4375rem, 2.6vw + 0.21875rem, 0.875rem); }
.font16 { font-size: clamp(0.5rem, 2.6vw + 0.25rem, 1rem); }
.font18 { font-size: clamp(0.5625rem, 2.6vw + 0.28125rem, 1.125rem); }
.font20 { font-size: clamp(0.625rem, 2.6vw + 0.3125rem, 1.25rem); }
.font24 { font-size: clamp(0.75rem, 2.6vw + 0.375rem, 1.5rem); }
.font26 { font-size: clamp(0.8125rem, 2.6vw + 0.40625rem, 1.625rem); }
.font30 { font-size: clamp(0.9375rem, 2.6vw + 0.46875rem, 1.875rem); }
.font32 { font-size: clamp(1rem, 2.6vw + 0.5rem, 2rem); }
.font34 { font-size: clamp(1.0625rem, 2.6vw + 0.53125rem, 2.125rem); }
.font36 { font-size: clamp(1.125rem, 2.6vw + 0.5625rem, 2.25rem); }
.font38 { font-size: clamp(1.1875rem, 2.6vw + 0.59375rem, 2.375rem); }
.font40 { font-size: clamp(1.25rem, 2.6vw + 0.625rem, 2.5rem); }
.font42 { font-size: clamp(1.3125rem, 2.6vw + 0.65625rem, 2.625rem); }
.font44 { font-size: clamp(1.375rem, 2.6vw + 0.6875rem, 2.75rem); }
.font45 { font-size: clamp(1.40625rem, 2.6vw + 0.703125rem, 2.8125rem); }
.font46 { font-size: clamp(1.4375rem, 2.6vw + 0.71875rem, 2.875rem); }
.font48 { font-size: clamp(1.5rem, 2.6vw + 0.75rem, 3rem); }
.font50 { font-size: clamp(1.5625rem, 2.6vw + 0.78125rem, 3.125rem); }
.font52 { font-size: clamp(1.625rem, 2.6vw + 0.8125rem, 3.25rem); }
.font54 { font-size: clamp(1.6875rem, 2.6vw + 0.84375rem, 3.375rem); }
.font56 { font-size: clamp(1.75rem, 2.6vw + 0.875rem, 3.5rem); }
.font58 { font-size: clamp(1.8125rem, 2.6vw + 0.90625rem, 3.625rem); }
.font60 { font-size: clamp(1.875rem, 2.6vw + 0.9375rem, 3.75rem); }
.font62 { font-size: clamp(1.9375rem, 2.6vw + 0.96875rem, 3.875rem); }
.font64 { font-size: clamp(2rem, 2.6vw + 1rem, 4rem); }
.font65 { font-size: clamp(2.03125rem, 2.6vw + 1.015625rem, 4.0625rem); }
.font66 { font-size: clamp(2.0625rem, 2.6vw + 1.03125rem, 4.125rem); }
.font68 { font-size: clamp(2.125rem, 2.6vw + 1.0625rem, 4.25rem); }
.font70 { font-size: clamp(2.1875rem, 2.6vw + 1.09375rem, 4.375rem); }
.font72 { font-size: clamp(2.25rem, 2.6vw + 1.125rem, 4.5rem); }
.font76 { font-size: clamp(2.375rem, 2.6vw + 1.1875rem, 4.75rem); }
.font80 { font-size: clamp(2.5rem, 2.6vw + 1.25rem, 5rem); }
.font83 { font-size: clamp(2.59375rem, 2.6vw + 1.296875rem, 5.1875rem); }
.font88 { font-size: clamp(2.75rem, 2.6vw + 1.375rem, 5.5rem); }
.font100 { font-size: clamp(3.125rem, 2.6vw + 1.5625rem, 6.25rem); } */
.font12 { font-size: clamp(0.375rem, 0.647vw + 0.348rem, 0.75rem); }     /* 6px → 12px */
.font14 { font-size: clamp(0.4375rem, 0.647vw + 0.406rem, 0.875rem); }   /* 7px → 14px */
.font16 { font-size: clamp(0.5rem, 0.647vw + 0.464rem, 1rem); }          /* 8px → 16px */
.font18 { font-size: clamp(0.5625rem, 0.647vw + 0.522rem, 1.125rem); }   /* 9px → 18px */
.font20 { font-size: clamp(0.625rem, 0.647vw + 0.580rem, 1.25rem); }     /* 10px → 20px */
.font24 { font-size: clamp(0.75rem, 0.647vw + 0.696rem, 1.5rem); }       /* 12px → 24px */
.font26 { font-size: clamp(0.8125rem, 0.647vw + 0.754rem, 1.625rem); }   /* 13px → 26px */
.font30 { font-size: clamp(0.9375rem, 0.647vw + 0.870rem, 1.875rem); }   /* 15px → 30px */
.font32 { font-size: clamp(1rem, 0.647vw + 0.928rem, 2rem); }            /* 16px → 32px */
.font34 { font-size: clamp(1.0625rem, 0.647vw + 0.986rem, 2.125rem); }   /* 17px → 34px */
.font36 { font-size: clamp(1.125rem, 0.647vw + 1.044rem, 2.25rem); }     /* 18px → 36px */
.font38 { font-size: clamp(1.1875rem, 0.647vw + 1.102rem, 2.375rem); }   /* 19px → 38px */
.font40 { font-size: clamp(1.25rem, 0.647vw + 1.160rem, 2.5rem); }       /* 20px → 40px */
.font42 { font-size: clamp(1.3125rem, 0.647vw + 1.218rem, 2.625rem); }   /* 21px → 42px */
.font44 { font-size: clamp(1.375rem, 0.647vw + 1.276rem, 2.75rem); }     /* 22px → 44px */
.font45 { font-size: clamp(1.40625rem, 0.647vw + 1.305rem, 2.8125rem); } /* 22.5px → 45px */
.font46 { font-size: clamp(1.4375rem, 0.647vw + 1.334rem, 2.875rem); }   /* 23px → 46px */
.font48 { font-size: clamp(1.5rem, 0.647vw + 1.392rem, 3rem); }          /* 24px → 48px */
.font50 { font-size: clamp(1.5625rem, 0.647vw + 1.450rem, 3.125rem); }   /* 25px → 50px */
.font52 { font-size: clamp(1.625rem, 0.647vw + 1.508rem, 3.25rem); }     /* 26px → 52px */
.font54 { font-size: clamp(1.6875rem, 0.647vw + 1.566rem, 3.375rem); }   /* 27px → 54px */
.font56 { font-size: clamp(1.75rem, 0.647vw + 1.624rem, 3.5rem); }       /* 28px → 56px */
.font58 { font-size: clamp(1.8125rem, 0.647vw + 1.682rem, 3.625rem); }   /* 29px → 58px */
.font60 { font-size: clamp(1.875rem, 0.647vw + 1.740rem, 3.75rem); }     /* 30px → 60px */
.font62 { font-size: clamp(1.9375rem, 0.647vw + 1.798rem, 3.875rem); }   /* 31px → 62px */
/* .font64 { font-size: clamp(2rem, 0.647vw + 1.856rem, 4rem); }  */           /* 32px → 64px */
.font64 { font-size: clamp(2rem, 2.6vw + 1rem, 4rem); }
.font65 { font-size: clamp(2.03125rem, 0.647vw + 1.885rem, 4.0625rem); } /* 32.5px → 65px */
.font66 { font-size: clamp(2.0625rem, 0.647vw + 1.914rem, 4.125rem); }   /* 33px → 66px */
.font68 { font-size: clamp(2.125rem, 0.647vw + 1.972rem, 4.25rem); }     /* 34px → 68px */
.font70 { font-size: clamp(2.1875rem, 0.647vw + 2.030rem, 4.375rem); }   /* 35px → 70px */
.font72 { font-size: clamp(2.25rem, 0.647vw + 2.088rem, 4.5rem); }       /* 36px → 72px */
.font76 { font-size: clamp(2.375rem, 0.647vw + 2.204rem, 4.75rem); }     /* 38px → 76px */
.font80 { font-size: clamp(2.5rem, 0.647vw + 2.320rem, 5rem); }          /* 40px → 80px */
.font83 { font-size: clamp(2.59375rem, 0.647vw + 2.407rem, 5.1875rem); } /* 41.5px → 83px */
.font88 { font-size: clamp(2.75rem, 0.647vw + 2.552rem, 5.5rem); }       /* 44px → 88px */
.font100 { font-size: clamp(3.125rem, 0.647vw + 2.900rem, 6.25rem); }    /* 50px → 100px */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { transform: scale(0.8) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.fade-in { animation: fadeIn 0.6s ease forwards; }

.text-gradient {
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

body { background-color: var(--gray-bg); }

html {
  font-size: clamp(14px, 0.35vw + 13px, 16px);
}
/* @media (max-width: 1560px) {
  html {
    font-size: clamp(14px, 0.3vw + 13px, 16px);
  }
} */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700 !important;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.chat-body::-webkit-scrollbar { width: 4px; }
.chat-body::-webkit-scrollbar-track { background: var(--gray-border); border-radius: 4px; }
.chat-body::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }

.nav-active {
  color: #e8b342 !important;
  box-shadow: 0 0 10px rgba(232,179,66,0.3);
  border-radius: 0.5rem;
  background: rgba(232,179,66,0.05);
}

.modal-overlay { display: none; }
.modal-overlay.is-open {
  display: flex;
  padding: 1rem;
  box-sizing: border-box;
}

/* 申请试用弹窗 */
.trial-modal {
  box-sizing: border-box;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.trial-modal::-webkit-scrollbar { -webkit-appearance: none;}
.trial-modal::-webkit-scrollbar:vertical { width: 4px;}
.trial-modal::-webkit-scrollbar-thumb { border-radius: 8px; border:0; background-color:rgb(30 75 110);}
.trial-modal .trial-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
} 
.trial_bnt:hover{
  --tw-shadow: 0 0 0 3px rgba(44, 156, 212, 0.3), 0 8px 20px rgba(0, 0, 0, 0.1);
  --tw-shadow-colored: 0 0 0 3px var(--tw-shadow-color), 0 8px 20px var(--tw-shadow-color);
  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
  --tw-translate-y: -3px;
    transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));
}
@media (min-width: 992px) {
  .trial-modal .trial-form-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  .trial-modal .trial-form-grid .trial-field-full {
    grid-column: 1 / -1;
  }
}

.trial-modal .trial-code-row {
  display: flex;
  gap: 0.5rem;
  min-width: 0;
}

.trial-modal .trial-code-row input {
  flex: 1;
  min-width: 0;
}

.trial-modal .trial-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.75rem;
}

.promotion-modal { display: none; }
.promotion-modal.is-visible { display: block; opacity: 1; }

.promo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  color: #fff;
  box-sizing: border-box;
}

.promo-btn:hover {
  color: #fff;
  opacity: 0.92;
}

.chat-window { display: none; }
.chat-window.is-open { display: flex; }

.mobile-menu { display: none; }
.mobile-menu.is-open { display: flex; }

.toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 32px);
}

.toast {
  background: #1A2C3E;
  color: white;
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: fadeIn 0.3s ease;
  max-width: min(320px, calc(100vw - 32px));
  text-align: center;
  pointer-events: auto;
}

.toast.error { background: #dc2626; }

.animate-scale-in { animation: scaleIn 0.3s ease forwards; }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.is-hidden { display: none !important; }

/* ===== 响应式字体系统（clamp 流体排版）===== */
.hero-title,
.page-title,
.section-title,
.subsection-title,
.card-title,
.intro-tagline,
.contact-title {
  font-weight: 700 !important;
}

.join-card-title {
  font-weight: 600 !important;
}

.stat-number {
  font-weight: 800 !important;
}

.logo-text {
  font-weight: 700 !important;
  /* font-size: clamp(0.8125rem, 1.2vw + 0.5rem, 1.875rem) !important; */
  font-size: clamp(15px, 0.97vw + 11.36px, 30px)!important;
}
.logo-text-en{
  /* font-size: clamp(0.75rem, 2.6vw + 0.375rem, 1.5rem)!important; */
  font-size: clamp(14px, 0.647vw + 11.57px, 24px)!important;
  
}
  /* font-size: clamp(1.75rem, 4.5vw + 0.75rem, 4rem) !important;
  line-height: 1.15;
} */

.page-title {
  /* font-size: clamp(1.875rem, 4vw + 0.75rem, 3.5rem) !important; */
  font-size: clamp(1.75rem, 2.6vw + 0.875rem, 3.5rem);
  line-height: 1.15;
}

.section-title {
  /* font-size: clamp(1.5rem, 3vw + 0.75rem, 3rem) !important; */
  font-size: clamp(1.5rem, 2.6vw + 0.75rem, 3rem);
  line-height: 1.2;
}

.subsection-title {
  font-size: clamp(1.375rem, 2.2vw + 0.75rem, 2.5rem) !important;
  line-height: 1.25;
}

.card-title {
  font-size: clamp(1.125rem, 1.2vw + 0.75rem, 1.5rem) !important;
  line-height: 1.3;
}
.card-title.solution_title{display: flex;align-items: center;}
.card-title .icon-img{height: 1.563rem;}
@media (max-width: 991.98px) {
  .card-title .icon-img{height: 1.263rem;}
}
.stat-number {
  font-size: clamp(1.5rem, 2.8vw + 0.75rem, 2.8rem) !important;
  line-height: 1.1;
}

.intro-tagline {
  font-size: clamp(1.375rem, 2.8vw + 0.75rem, 2.5rem) !important;
  line-height: 1.25;
}

.intro-text {
  font-size: clamp(1rem, 1vw + 0.75rem, 1.25rem) !important;
}

.body-lg {
  font-size: clamp(0.9375rem, 0.8vw + 0.75rem, 1.125rem) !important;
  line-height: 1.7;
}

.body-md {
  /* font-size: clamp(0.875rem, 0.5vw + 0.75rem, 1rem) !important; */
   font-size: clamp(0.875rem, 0.5vw + 0.75rem, 1.125rem)!important;
  line-height: 1.6;
}

.contact-title {
  font-size: clamp(1.125rem, 1.5vw + 0.75rem, 1.5rem) !important;
}

.contact-text {
  font-size: clamp(0.875rem, 1vw + 0.75rem, 1.25rem) !important;
  line-height: 1.6;
}

.join-card-title {
  font-size: clamp(1.125rem, 1.2vw + 0.75rem, 1.75rem) !important;
}

.card-icon,
.qual-icon {
  font-size: clamp(1.75rem, 2.5vw + 0.75rem, 3rem) !important;
}
.fa-pic{height: 3.125rem;}
.nav-link {
  font-size: clamp(0.8125rem, 0.6vw + 0.65rem, 1.125rem) !important;
}

/* 新闻页轮播：宽度 <992px 时箭头贴两侧，文案区留出左右空间 */
@media (max-width: 991.98px) {
  .news-carousel .news-carousel-nav--prev {
    left: 0.375rem !important;
  }

  .news-carousel .news-carousel-nav--next {
    right: 0.375rem !important;
  }

  .news-carousel .news-carousel-nav {
    width: 2.25rem !important;
    height: 2.25rem !important;
  }

  .news-carousel .news-carousel-nav i {
    font-size: 0.875rem !important;
  }

  .news-carousel .news-carousel-caption {
    padding-left: 2.75rem !important;
    padding-right: 2.75rem !important;
    padding-bottom: 3.25rem !important;
  }
  .fa-pic{height: 2.625rem;}
}

@media (max-width: 640px) {
  .news-carousel .news-carousel-nav--prev {
    left: 0.25rem !important;
  }

  .news-carousel .news-carousel-nav--next {
    right: 0.25rem !important;
  }

  .news-carousel .news-carousel-nav {
    width: 2rem !important;
    height: 2rem !important;
  }

  .news-carousel .news-carousel-caption {
    padding-left: 2.5rem !important;
    padding-right: 2.5rem !important;
    padding-top: 1.25rem !important;
    padding-bottom: 4.25rem !important;
  }
  .fa-pic{height: 2.025rem;}
}

@media (min-width: 992px) {
  .news-carousel .news-carousel-nav--prev {
    left: 1rem !important;
  }

  .news-carousel .news-carousel-nav--next {
    right: 1rem !important;
  }
}

/* ===== 全站断点 992px（与 tailwind md 一致，CSS 兜底确保导航切换生效）===== */
@media (max-width: 991.98px) {
  .navbar .nav-links {
    display: none !important;
  }

  .navbar .nav-toggle {
    display: flex !important;
  }
}

@media (min-width: 992px) {
  .navbar .nav-links {
    display: flex !important;
  }

  .navbar .nav-toggle {
    display: none !important;
  }
}

/* ===== 导航栏响应式 ===== */
.navbar {
  padding-top: clamp(0.625rem, 1.5vw, 1.25rem) !important;
  padding-bottom: clamp(0.625rem, 1.5vw, 1.25rem) !important;
}

.nav-flex {
  gap: clamp(0.5rem, 2vw, 1.5rem) !important;
}

.logo .logo-divider {
  margin-left: clamp(0.25rem, 1vw, 0.5rem) !important;
  margin-right: clamp(0.25rem, 1vw, 0.5rem) !important;
  font-size: clamp(14px, 0.647vw + 11.57px, 24px)!important;
}

.nav-links {
  gap: clamp(0.75rem, 1.5vw, 2rem) !important;
}

.nav-links .nav-link {
  padding: clamp(0.375rem, 1vw, 0.75rem) clamp(0.5rem, 1.2vw, 1rem) !important;
}

#demoNavBtn.nav-demo-btn {
  margin-left: clamp(0.5rem, 2vw, 2rem) !important;
  padding: clamp(0.4375rem, 1vw, 0.75rem) clamp(0.875rem, 2vw, 2rem) !important;
  border-radius: 9999px !important;
}

.nav-toggle {
  width: clamp(2rem, 7vw, 3rem) !important;
  height: clamp(2rem, 7vw, 3rem) !important;
  font-size: clamp(0.875rem, 2.5vw, 1.25rem) !important;
}

.mobile-menu {
  margin-top: clamp(0.625rem, 1.5vw, 1.5rem) !important;
  padding-top: clamp(0.75rem, 1.8vw, 1.5rem) !important;
  padding-bottom: clamp(0.75rem, 1.8vw, 1.5rem) !important;
  gap: clamp(0.375rem, 1.2vw, 0.875rem) !important;
}

.mobile-menu .nav-link {
  font-size: clamp(0.9375rem, 2.5vw + 0.55rem, 1.0625rem) !important;
  padding: clamp(0.5625rem, 1.5vw, 0.875rem) clamp(0.875rem, 2vw, 1.5rem) !important;
}

.mobile-menu .nav-demo-btn {
  margin-top: clamp(0.5rem, 1.2vw, 1rem) !important;
  padding: clamp(0.625rem, 1.5vw, 0.875rem) clamp(1rem, 2vw, 1.5rem) !important;
  border-radius: 9999px !important;
  font-size: clamp(0.9375rem, 2.5vw + 0.55rem, 1.125rem) !important;
  width: 100%;
  text-align: center;
  cursor: pointer;
}

@media (max-width: 640px) {
  .navbar > .container {
    padding-left: 0.875rem !important;
    padding-right: 0.875rem !important;
  }
}

@media (max-width: 360px) {
  .logo-text-en,
  .logo-divider {
    display: none !important;
  }
}

.btn-text {
  font-size: clamp(0.875rem, 0.5vw + 0.75rem, 1rem) !important;
}

.feature-item strong {
  font-size: clamp(0.9375rem, 0.8vw + 0.75rem, 1.125rem);
  font-weight: 700 !important;
}

/* ===== 响应式间距（仅用于区块级语义类，手机端更紧凑） ===== */
.section-py {
  padding-top: clamp(2rem, 6vw, 6.25rem) !important;
  padding-bottom: clamp(2rem, 6vw, 6.25rem) !important;
}

.section-py-sm {
  padding-top: clamp(1.5rem, 4vw, 3.75rem) !important;
  padding-bottom: clamp(1.5rem, 4vw, 3.75rem) !important;
}

.section-block {
  margin-bottom: clamp(2rem, 6vw, 6.25rem) !important;
}

.section-block-sm {
  margin-bottom: clamp(1.5rem, 4vw, 3.75rem) !important;
}

.content-my {
  margin-top: clamp(1.5rem, 4vw, 5rem) !important;
  margin-bottom: clamp(1.5rem, 4vw, 5rem) !important;
}

.space-title {
  margin-bottom: clamp(0.75rem, 2vw, 1.5rem) !important;
}

.space-subtitle {
  margin-bottom: clamp(1rem, 2.5vw, 2.5rem) !important;
}

.space-section {
  margin-bottom: clamp(1.25rem, 3.5vw, 3.75rem) !important;
}

.space-block {
  margin-bottom: clamp(1.5rem, 4vw, 5rem) !important;
}

.space-item {
  margin-bottom: clamp(0.75rem, 2vw, 1.5rem) !important;
}

.space-item-sm {
  margin-bottom: clamp(0.5rem, 1.5vw, 1rem) !important;
}

.space-block-sm {
  margin-bottom: clamp(1.25rem, 3vw, 3rem) !important;
}

.space-desc {
  margin-bottom: clamp(1rem, 2.5vw, 2.5rem) !important;
}

.mt-section {
  margin-top: clamp(1.5rem, 4vw, 3.75rem) !important;
}

.card-pad {
  padding: clamp(1rem, 3vw, 2.25rem) !important;
}

.card-pad-lg {
  padding: clamp(1.25rem, 3.5vw, 3.5rem) !important;
}

.card-pad-xl {
  padding: clamp(1.25rem, 4vw, 3.75rem) clamp(1rem, 3.5vw, 3.5rem) !important;
}

.panel-pad {
  padding: clamp(1rem, 3.5vw, 3rem) !important;
}

.panel-block {
  padding: clamp(1.25rem, 4vw, 3.5rem) !important;
  border-radius: clamp(1rem, 2.5vw, 2rem) !important;
}

.info-panel {
  padding: clamp(1.25rem, 4vw, 3rem) !important;
  border-radius: clamp(1rem, 2.5vw, 2.5rem) !important;
}

.info-panel-mb {
  margin-bottom: clamp(1.5rem, 4vw, 3.75rem) !important;
}

.info-panel-mb-lg {
  margin-bottom: clamp(1.5rem, 4vw, 5rem) !important;
}

.info-card {
  padding: clamp(1rem, 3vw, 2rem) !important;
  border-radius: clamp(1rem, 2.5vw, 2rem) !important;
}

.hero-demo-outer {
  padding: clamp(1rem, 3vw, 2rem) !important;
  border-radius: clamp(1rem, 2.2vw, 2.25rem) !important;
}

.hero-demo-inner {
  padding: clamp(1rem, 3vw, 2rem) !important;
  border-radius: clamp(0.875rem, 2vw, 1.75rem) !important;
}

.split-panel-dark {
  padding: clamp(1.25rem, 4vw, 3rem) !important;
}

.grid-gap-sm {
  gap: clamp(0.75rem, 2vw, 1rem) !important;
}

.grid-gap-md {
  gap: clamp(0.875rem, 2.5vw, 1.5rem) !important;
}

.grid-gap-lg {
  gap: clamp(1rem, 3vw, 2rem) !important;
}

.grid-gap-xl {
  gap: clamp(1.25rem, 3.5vw, 3rem) !important;
}

.flex-gap-md {
  gap: clamp(0.875rem, 2.5vw, 1.5rem) !important;
}

.rounded-responsive {
  border-radius: clamp(1rem, 2.5vw, 2rem) !important;
}

.rounded-responsive-lg {
  border-radius: clamp(1.25rem, 3vw, 3rem) !important;
}

.contact-panel {
  padding: clamp(1.25rem, 4vw, 3rem) !important;
  border-radius: clamp(1.25rem, 3.5vw, 3rem) !important;
}

.hero-gap {
  gap: clamp(1.5rem, 5vw, 5rem) !important;
}

.site-footer {
  padding-top: clamp(2.5rem, 8vw, 5rem) !important;
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem) !important;
  margin-top: clamp(2rem, 6vw, 6.25rem) !important;
}

/* 组件级响应式间距（仅作用于带语义类名的区块，不覆盖按钮/徽章/表单等） */
.card,
.qual-card,
.testimonial-card,
.join-card {
  padding: clamp(1rem, 3.5vw, 2.25rem) !important;
  border-radius: clamp(1rem, 2.5vw, 2rem) !important;
}

.intro-card {
  padding: clamp(1.5rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem) !important;
  margin-bottom: clamp(2rem, 6vw, 6.25rem) !important;
  border-radius: clamp(1.25rem, 3.5vw, 3rem) !important;
}

.stats-row {
  padding: clamp(1rem, 3vw, 2rem) !important;
  margin-top: clamp(1.5rem, 4vw, 3.75rem) !important;
  border-radius: clamp(1.25rem, 3.5vw, 3rem) !important;
  gap: clamp(0.875rem, 2.5vw, 1.5rem) !important;
}

.grid-3 {
  gap: clamp(1.25rem, 3.5vw, 3rem) !important;
}

.phone-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: #1A2C3E;
  font-size: 0.9375rem;
  line-height: 1;
  white-space: nowrap;
  background: #fff;
  border: 1px solid #E9EDF2;
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(0.5rem, -50%);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.phone-tooltip::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  border: 0.375rem solid transparent;
  border-left-color: #fff;
  transform: translateY(-50%);
}

#phoneBtn:hover .phone-tooltip,
#phoneBtn:focus-within .phone-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
}

.product-detail-card,
.solution-case {
  padding: clamp(1rem, 3.5vw, 2.5rem) !important;
  margin-bottom: clamp(1.25rem, 3.5vw, 3.5rem) !important;
  border-radius: clamp(1rem, 2.5vw, 2.5rem) !important;
}

.feature-item {
  padding: clamp(0.875rem, 2.5vw, 1.5rem) !important;
  border-radius: clamp(0.75rem, 2vw, 1.5rem) !important;
}

.feature-subtitle {
  font-size: clamp(0.875rem, 0.7vw + 0.75rem, 1rem);
  color: #1A2C3E;
  font-weight: 600;
}

.feature-summary {
  font-size: clamp(0.8125rem, 0.6vw + 0.7rem, 0.9375rem);
  font-weight: 400;
  color: #5A6E7E;
  line-height: 1.6;
}

.feature-point-list {
  font-size: clamp(0.8125rem, 0.6vw + 0.7rem, 0.9375rem);
}

/* 关于我们 · 核心价值观模块图标（桌面偏大，手机缩小） */
.values-icon-lg,
.values-icon-md,
.values-icon-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 9999px;
  background-color: #E6F4FF;
}

.values-icon-lg {
  width: clamp(4rem, 10vw, 6.25rem);
  height: clamp(4rem, 10vw, 6.25rem);
}

.values-icon-lg i {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem) !important;
  color: #2C9CD4;
}

.values-icon-md {
  width: clamp(3.25rem, 8vw, 5rem);
  height: clamp(3.25rem, 8vw, 5rem);
  background-color: #FFF9E6;
}

.values-icon-md i {
  font-size: clamp(1.25rem, 3vw, 2rem) !important;
  color: #D4A141;
}

.values-icon-sm {
  width: clamp(2.75rem, 7vw, 4.375rem);
  height: clamp(2.75rem, 7vw, 4.375rem);
}

.values-icon-sm i {
  font-size: clamp(1.125rem, 2.5vw, 1.8rem) !important;
  color: #2C9CD4;
}

@media (max-width: 640px) {
  #values .info-panel .flex-wrap {
    gap: 1rem !important;
  }

  #values .values-icon-lg {
    width: 4rem;
    height: 4rem;
  }

  #values .values-icon-lg i {
    font-size: 1.5rem !important;
  }

  #values .values-icon-md {
    width: 3.25rem;
    height: 3.25rem;
    margin-bottom: 1rem !important;
  }

  #values .values-icon-md i {
    font-size: 1.25rem !important;
  }

  #values .values-icon-sm {
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 1rem !important;
  }

  #values .values-icon-sm i {
    font-size: 1.125rem !important;
  }
}

/* ===== 响应式布局微调 ===== */
@media (max-width: 640px) {
  .chat-window {
    width: calc(100% - 20px) !important;
    right: 10px !important;
    bottom: 80px !important;
    max-width: none !important;
  }
  .floating-sidebar {
    right: 10px !important;
    transform: translateY(-50%) scale(0.9) !important;
  }
  .sidebar-item { padding: 0.625rem 0.5rem !important; }
  .sidebar-item span { /* font-size: 0.6rem !important; */font-size: clamp(0.375rem, 2.6vw + 0.1875rem, 0.75rem); }
  .container { padding-left: 1rem !important; padding-right: 1rem !important; }

  .stats-row {
    border-radius: 1.5rem !important;
  }

  .stat-item {
    min-width: calc(50% - 0.75rem);
  }

  .contact-text {
    word-break: break-word;
  }

  .modal-overlay.is-open {
    /* align-items: flex-start; */
    padding: 0.5rem !important;
  }

  .trial-modal {
    width: 100% !important;
    max-width: 100% !important;
    padding: 1rem 0.875rem 1.125rem !important;
    border-radius: 1rem !important;
    max-height: calc(100dvh - 1rem);
    margin: 0 auto;
  }

  .trial-modal h3 {
    font-size: 1.0625rem !important;
    margin-bottom: 0.5rem !important;
    line-height: 1.35;
  }

  .trial-modal > p {
    font-size: 0.8125rem !important;
    margin-bottom: 0.875rem !important;
    line-height: 1.5;
  }

  .trial-modal .trial-form-grid,
  .trial-modal .grid {
    gap: 0.75rem !important;
    margin-bottom: 0.875rem !important;
  }

  .trial-modal label {
    font-size: 0.8125rem !important;
    margin-bottom: 0.25rem !important;
  }

  .trial-modal input,
  .trial-modal select {
    font-size: 0.875rem !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: 0.625rem !important;
  }

  .trial-modal .trial-code-row,
  .trial-modal .flex.gap-\[16px\] {
    gap: 0.375rem !important;
    flex-wrap: nowrap;
  }

  .trial-modal #getCodeBtn {
    font-size: 0.6875rem !important;
    padding: 0.5rem 0.5rem !important;
    border-radius: 0.625rem !important;
    line-height: 1.2;
    flex-shrink: 0;
    max-width: 5.5rem;
    white-space: normal;
    text-align: center;
  }

  .trial-modal .trial-modal-actions,
  .trial-modal .flex.justify-end {
    flex-direction: column-reverse !important;
    gap: 0.5rem !important;
    margin-top: 0.875rem !important;
  }

  .trial-modal #cancelTrialBtn,
  .trial-modal #submitTrialBtn {
    width: 100% !important;
    font-size: 0.875rem !important;
    padding: 0.625rem 1rem !important;
    border-radius: 1.5rem !important;
    text-align: center;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .chat-window {
    width: 90% !important;
    max-width: 400px !important;
    right: 20px !important;
  }
  .floating-sidebar {
    transform: translateY(-50%) scale(0.95) !important;
  }
}

/* 新闻列表分页（HTML 内 a 标签，便于直接改链接） */
.news-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.news-pagination.is-hidden {
  display: none;
}

.news-pagination__ctrl,
.news-pagination__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.2s ease;
}

.news-pagination__ctrl {
  padding: 0.5rem 1rem;
  border: 1px solid #2C9CD4;
  border-radius: 0.375rem;
  color: #2C9CD4;
  font-size: 0.9375rem;
  font-weight: 500;
  gap: 0.25rem;
  background: #fff;
}

.news-pagination__ctrl:hover:not(.is-disabled) {
  background: #E6F4FF;
}

.news-pagination__ctrl.is-disabled {
  border-color: #d1d5db;
  color: #9ca3af;
  background: #f3f4f6;
  cursor: not-allowed;
  pointer-events: none;
}

.news-pagination__num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  color: #374151;
  font-size: 0.9375rem;
  font-weight: 500;
}

.news-pagination__num:hover:not(.is-active) {
  background: #E6F4FF;
  color: #2C9CD4;
}

.news-pagination__num.is-active {
  background: #2C9CD4;
  color: #fff;
  box-shadow: 0 4px 6px -1px rgba(44, 156, 212, 0.35);
  pointer-events: none;
}

.news-pagination__ellipsis {
  color: #6b7280;
  padding: 0 0.25rem;
  user-select: none;
}

.news-pagination__num.is-hidden,
.news-pagination__ellipsis.is-hidden {
  display: none;
}

button { transition: all 0.3s ease; }
.card, .product-detail-card, .solution-case, .qual-card, .testimonial-card, .join-card { transition: all 0.3s ease; }
a { transition: color 0.2s ease; }
input, textarea, select { transition: all 0.2s ease; }

@media (max-width: 991.98px) {
  .news_end_btn { display: block; }
}

/* ===== 新闻详情 · 分享面板（相对「分享」按钮上浮）===== */
.news_end_btn,
.news_end_btn > .flex {
  overflow: visible;
}

#shareNewsWrap {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

#shareNewsBtn {
  position: relative;
  z-index: 1;
}

.share-panel {
  position: absolute;
  left: 50%;
  transform: translate(-50%, 0%);
  right: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  min-width: 120px;
  max-width: min(140px, calc(100vw - 32px));
  margin-left: auto;
  margin-right: auto;
  z-index: 60;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid #E9EDF2;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  animation: sharePanelFade 0.2s ease forwards;
}

.share-panel::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-right: 1px solid #E9EDF2;
  border-bottom: 1px solid #E9EDF2;
  transform: translateX(-50%) rotate(45deg);
}

.share-panel__title {
  margin: 0 0 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1A2C3E;
  text-align: center;
}

.share-panel__icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.share-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 4px 2px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.75rem;
  color: #5A6E7E;
  transition: color 0.2s ease, transform 0.2s ease;
}

.share-item:hover {
  color: #2C9CD4;
  transform: translateY(-2px);
}

.share-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  font-size: 1.125rem;
}

.share-icon--wechat { background: #07C160; }
.share-icon--weibo { background: #E6162D; }
.share-icon--qq { background: #12B7F5; }
.share-icon--copy { background: #2C9CD4; }

@keyframes sharePanelFade {
  from { opacity: 0; }
  to { opacity: 1; }
}