/* =========================================================
   岚度视觉数字科技官网 · 组件样式 components.css
   包含：按钮 / 标签 / 卡片 / 顶部导航 / 页脚 / Hero区块 /
         Banner轮播 / 信任条 / 表单组件 / 流程步骤 / 团队成员卡 /
         案例卡 / AI咨询浮窗 / AI总结弹层 / 面包屑 / 分类筛选
   主题：浅色科技风（白底 + 蓝色品牌色，现代干净）
========================================================= */

/* =======================================================
   01. 按钮（浅色覆盖版，以 common.css 为主，此处补充特定状态）
======================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  height: 44px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  user-select: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: #2563EB;
  color: #fff;
  border-radius: 10px;
  padding: 12px 24px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  background: #1D4ED8;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.30);
}

.btn-secondary {
  background: #FFFFFF;
  color: #2563EB;
  border: 1px solid #E5E7EB;
}
.btn-secondary:hover {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #2563EB;
}

.btn-gold {
  background: #FFFFFF;
  color: #2563EB;
  border: 1px solid #E5E7EB;
  font-weight: 500;
  box-shadow: none;
}
.btn-gold:hover {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #2563EB;
  box-shadow: none;
}

.btn-cyan {
  background: #FFFFFF;
  color: #2563EB;
  border: 1px solid #E5E7EB;
  font-weight: 500;
  box-shadow: none;
}
.btn-cyan:hover {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #2563EB;
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: #334155;
  border: none;
  padding: 12px 16px;
}
.btn-ghost:hover {
  color: #2563EB;
  background: rgba(37, 99, 235, 0.08);
}

.btn-sm { padding: 8px 16px; height: 36px; font-size: 14px; border-radius: 6px; }
.btn-lg { padding: 14px 32px; height: 52px; font-size: 16px; border-radius: 10px; }
.btn-block { width: 100%; }

.btn .icon { font-size: 1.05em; }
.btn-arrow::after {
  content: "→";
  margin-left: 4px;
  transition: transform 0.2s ease;
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* =======================================================
   02. 标签/徽标（浅色版）
======================================================= */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-full);
  line-height: 1.6;
  white-space: nowrap;
}
.tag-blue { background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; }
.tag-cyan { background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; }
.tag-gold { background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; }
.tag-gray { background: #F6F8FB; color: #334155; border: 1px solid #E5E7EB; }
.tag-white { background: #FFFFFF; color: #0F172A; border: 1px solid #E5E7EB; }

/* =======================================================
   03. 通用卡片 / 服务卡 / 案例卡 / 优势卡 / 流程步骤 / 统计项（白底浅色版）
======================================================= */
.card,
.service-card,
.case-card,
.advantage-card,
.process-step,
.stat-item {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 14px;
  padding: 24px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.card:hover,
.service-card:hover,
.case-card:hover,
.advantage-card:hover,
.process-step:hover,
.stat-item:hover {
  border-color: #BFDBFE;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
  transform: translateY(-4px);
}

.card {
  padding: 28px;
  border-radius: var(--radius-xl);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #2563EB, transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover::before { opacity: 1; }

.card-gold:hover {
  border-color: #2563EB;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
}
.card-gold:hover::before { background: linear-gradient(90deg, transparent, #2563EB, transparent); }

.card-cyan:hover {
  border-color: #2563EB;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
}
.card-cyan:hover::before { background: linear-gradient(90deg, transparent, #2563EB, transparent); }

.card-title {
  font-size: 19px;
  font-weight: 600;
  color: #0F172A;
  margin-bottom: 12px;
}
.card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #334155;
}
.card-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  color: #2563EB;
  font-size: 24px;
  margin-bottom: 20px;
  border: 1px solid #BFDBFE;
}
.card-icon-gold {
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  color: #2563EB;
  border-color: #BFDBFE;
}
.card-icon-cyan {
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  color: #2563EB;
  border-color: #BFDBFE;
}

.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

/* 带封面的卡片（案例卡） */
.card-cover {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-cover .cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #F0F4F9, #F6F8FB);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-cover .cover img,
.card-cover .cover .cover-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.card-cover:hover .cover img,
.card-cover:hover .cover .cover-placeholder {
  transform: scale(1.05);
}
.card-cover .cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #EFF6FF 0%, #F6F8FB 40%, #FEF3C7 100%);
  position: relative;
}
.card-cover .cover-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212, 168, 83, 0.08) 0%, transparent 50%);
}
.card-cover .cover-placeholder .icon-large {
  font-size: 56px;
  color: rgba(15, 23, 42, 0.12);
  position: relative;
  z-index: 1;
}
.card-cover .body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-cover .body h4 { margin-bottom: 10px; color: #0F172A; }
.card-cover .body p { flex: 1; margin-bottom: 16px; color: #334155; }
.card-cover .body .card-link {
  color: #2563EB;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-cover .body .card-link:hover { gap: 10px; }

/* 优势卡（图标+标题+描述） */
.advantage-card {
  padding: 32px 24px;
  border-radius: 18px;
}
.advantage-card .ac-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #2563EB;
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  border: 1px solid #BFDBFE;
}
.advantage-card:nth-child(2) .ac-icon { color: #2563EB; background: linear-gradient(135deg, #EFF6FF, #F0F9FF); border-color: #BFDBFE; }
.advantage-card:nth-child(3) .ac-icon { color: #2563EB; background: linear-gradient(135deg, #EFF6FF, #F0F9FF); border-color: #BFDBFE; }
.advantage-card:nth-child(4) .ac-icon { color: #2563EB; background: linear-gradient(135deg, #EFF6FF, #F0F9FF); border-color: #BFDBFE; }
.advantage-card h4 { margin-bottom: 10px; color: #0F172A; }
.advantage-card p { font-size: 14.5px; line-height: 1.75; color: #334155; }

/* =======================================================
   04. 顶部导航（白底浅色版 + 吸顶 + 下拉菜单 + 移动端汉堡）
======================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all 0.3s ease;
  background: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: #E5E7EB;
  box-shadow: var(--shadow-md);
}
.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #0F172A;
}
.site-logo .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.site-logo .logo-text .en { display: block; font-size: 10px; color: #64748B; font-weight: 400; letter-spacing: 0.08em; margin-top: 2px; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-menu > li { position: relative; }
.dropdown-wrapper { position: relative; }
.nav-menu > li > a {
  display: inline-flex;
  align-items: center;
  height: 72px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: #334155;
  position: relative;
}
.nav-menu > li > a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 0;
  height: 2px;
  background: #2563EB;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}
.nav-menu > li > a:hover {
  color: #2563EB;
}
.nav-menu > li.active > a {
  color: #2563EB;
}
.nav-menu > li > a:hover::after,
.nav-menu > li.active > a::after {
  transform: scaleX(1);
}
.nav-cta { margin-left: 16px; }

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  padding: 12px 8px;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transition: all .22s ease;
}
.dropdown-wrapper:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: #334155;
  font-size: 14px;
}
.dropdown-menu a:hover {
  background: #EFF6FF;
  color: #2563EB;
}

/* 汉堡按钮 */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid #E5E7EB;
  background: #fff;
}
.hamburger span {
  width: 20px;
  height: 2px;
  background: #0F172A;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单抽屉 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.99);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid #E5E7EB;
  padding: 16px 24px 24px;
  z-index: 99;
  transform: translateY(-110%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { list-style: none; }
.mobile-menu ul li { border-bottom: 1px solid #E5E7EB; }
.mobile-menu ul li:last-child { border-bottom: none; }
.mobile-menu ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  font-size: 16px;
  color: #334155;
}
.mobile-menu ul li a:hover,
.mobile-menu ul li.active a { color: #2563EB; }
.mobile-menu .mobile-cta { margin-top: 20px; }
.mobile-menu .mobile-cta .btn { width: 100%; }

/* 导航响应式 */
@media (max-width: 991px) {
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: inline-flex; }
  .mobile-menu { display: block; }
  .nav-container { height: 64px; }
  .site-header { background: rgba(255, 255, 255, 0.98); }
  .mobile-menu { top: 64px; }
}
@media (max-width: 767px) {
  .nav-container { padding: 0 16px; }
}

/* =======================================================
   05. 全站页脚（浅色版）
======================================================= */
.site-footer {
  background: #F6F8FB;
  border-top: 1px solid #E5E7EB;
  position: relative;
  z-index: 1;
  padding: 80px 0 24px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand .site-logo { margin-bottom: 20px; }
.footer-brand .footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: #334155;
  margin-bottom: 20px;
  max-width: 320px;
}
.footer-socials {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #334155;
  font-size: 15px;
}
.footer-socials a:hover {
  color: #fff;
  border-color: #2563EB;
  background: #2563EB;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: #0F172A;
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  font-size: 14px;
  color: #334155;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover { color: #2563EB; }

.footer-contact p {
  font-size: 14px;
  color: #334155;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.65;
}
.footer-contact p i { margin-top: 3px; color: #2563EB; flex-shrink: 0; }
.footer-contact .label {
  color: #64748B;
  display: inline-block;
  min-width: 48px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom .copyright {
  font-size: 13px;
  color: #64748B;
}
.footer-bottom .legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-bottom .legal-links a {
  font-size: 13px;
  color: #64748B;
}
.footer-bottom .legal-links a:hover { color: #2563EB; }

@media (max-width: 991px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}
@media (max-width: 767px) {
  .site-footer { padding: 56px 0 20px; margin-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; padding-top: 20px; }
}

/* =======================================================
   06. Hero区块（浅色版） + Banner轮播 + 信任条
======================================================= */
.hero {
  min-height: 100vh;
  padding-top: 72px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-inner { padding: 80px 0 120px; position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #2563EB;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
}
.hero .eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero h1 { margin-bottom: 24px; color: #0F172A; }
.hero h1 .line2 { display: block; margin-top: 8px; }
.hero p.lead {
  font-size: 19px;
  line-height: 1.75;
  color: #334155;
  margin-bottom: 40px;
  max-width: 560px;
}
.hero .hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 32px;
  padding-top: 32px;
  border-top: 1px solid #E5E7EB;
}
.hero-trust .stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.hero-trust .stat .num {
  font-size: 28px;
  font-weight: 700;
  color: #2563EB;
}
.hero-trust .stat .label {
  font-size: 13px;
  color: #64748B;
}

/* Hero右侧装饰（浅色版） */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
}
.hero-visual .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: float 8s ease-in-out infinite;
}
.hero-visual .orb-1 {
  inset: 10% 10% 40% 40%;
  background: #2563EB;
  animation-delay: 0s;
}
.hero-visual .orb-2 {
  inset: 30% 30% 10% 10%;
  background: #06B6D4;
  opacity: 0.25;
  animation-delay: -2s;
}
.hero-visual .orb-3 {
  inset: 40% 5% 5% 40%;
  background: #D4A853;
  opacity: 0.2;
  animation-delay: -4s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-12px, 12px) scale(1.06); }
  66% { transform: translate(12px, -8px) scale(0.96); }
}
.hero-visual .core-card {
  position: absolute;
  inset: 14%;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 24px;
  backdrop-filter: blur(10px);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}
.hero-visual .core-card .cc-title {
  font-size: 13px;
  color: #2563EB;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}
.hero-visual .core-card .cc-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-visual .core-card .cc-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: #F6F8FB;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  transition: all 0.25s ease;
}
.hero-visual .core-card .cc-item:hover {
  border-color: #BFDBFE;
  background: #EFF6FF;
  transform: translateX(4px);
}
.hero-visual .core-card .cc-item .c-icon {
  width: 38px; height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  background: #EFF6FF;
  color: #2563EB;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid #BFDBFE;
}
.hero-visual .core-card .cc-item:nth-child(2) .c-icon { background: #EFF6FF; color: #2563EB; border-color: #BFDBFE; }
.hero-visual .core-card .cc-item:nth-child(3) .c-icon { background: #EFF6FF; color: #2563EB; border-color: #BFDBFE; }
.hero-visual .core-card .cc-item .c-text .t { font-size: 14px; color: #0F172A; font-weight: 600; margin-bottom: 2px; }
.hero-visual .core-card .cc-item .c-text .d { font-size: 12px; color: #64748B; }

/* Banner/轮播（浅色版） */
.hero-banner {
  position: relative;
  min-height: 540px;
  border-radius: 20px;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 80px;
  opacity: 0;
  transition: opacity 0.8s ease;
  background: linear-gradient(120deg, #EFF6FF 0%, #FFFFFF 55%, #F0F9FF 100%);
}
.hero-slide.active { opacity: 1; }
.hero-slide h1 {
  font-size: 52px;
  font-weight: 700;
  color: #0F172A;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 680px;
}
.hero-slide h1 .accent { color: #2563EB; }
.hero-slide .desc {
  font-size: 17px;
  color: #334155;
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 32px;
}
.hero-slide .hero-cta {
  display: flex;
  gap: 16px;
}
.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.hero-dots button {
  width: 32px;
  height: 4px;
  background: #CBD5E1;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
}
.hero-dots button.active {
  width: 56px;
  background: #2563EB;
}
.hero-arrows button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #E5E7EB;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  color: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-arrows button:hover {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
}

/* Hero后信任条（浅色版） */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 16px;
  padding: 36px 24px;
  margin-top: -40px;
  position: relative;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 18px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.06);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
}
.trust-item .num {
  font-size: 28px;
  font-weight: 700;
  color: #2563EB;
}
.trust-item .lbl {
  font-size: 13px;
  color: #64748B;
}

@media (max-width: 991px) {
  .hero { min-height: auto; padding-top: 64px; }
  .hero-inner { padding: 56px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .hero p.lead { font-size: 17px; margin-bottom: 32px; }
  .hero-trust { padding-top: 24px; }
  .hero-slide { padding: 0 40px; }
  .hero-slide h1 { font-size: 40px; }
  .hero-banner { min-height: 440px; }
}
@media (max-width: 767px) {
  .hero-inner { padding: 40px 0 56px; }
  .hero h1 { margin-bottom: 20px; }
  .hero p.lead { font-size: 15px; margin-bottom: 28px; }
  .hero .hero-actions { flex-direction: column; align-items: stretch; }
  .hero .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 12px 24px; }
  .hero-trust .stat .num { font-size: 24px; }
  .hero-visual .core-card { padding: 20px; }
  .hero-slide { padding: 0 24px; }
  .hero-slide h1 { font-size: 30px; }
  .hero-slide .desc { font-size: 15px; }
  .hero-banner { min-height: 380px; border-radius: 14px; }
  .trust-bar { margin-top: -24px; padding: 24px 16px; }
  .trust-item { padding: 6px 12px; }
  .trust-item .num { font-size: 22px; }
}

/* =======================================================
   07. 表单组件（浅色版）
======================================================= */
.form { display: flex; flex-direction: column; gap: 20px; }
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #0F172A;
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-group label .required {
  color: var(--error);
  font-weight: 700;
}
.form-control {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #0F172A;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  transition: all 0.2s ease;
  min-height: 44px;
}
.form-control:hover { border-color: #D1D5DB; }
.form-control:focus {
  border-color: #2563EB;
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
}
.form-control::placeholder { color: #94A3B8; }
textarea.form-control {
  resize: none;
  min-height: 120px;
  line-height: 1.8;
  overflow-y: auto;
}
textarea.form-control::-webkit-scrollbar { display: none; }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 42px;
}
.form-control.error {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.04);
}
.form-error-text {
  font-size: 12px;
  color: var(--error);
  display: none;
}
.form-group.has-error .form-error-text { display: block; }

.form-submit-info {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: #64748B;
  line-height: 1.6;
}
.form-result {
  display: none;
  padding: 16px;
  border-radius: 10px;
  font-size: 14px;
  margin-top: 8px;
}
.form-result.success {
  display: block;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--success);
}
.form-result.error {
  display: block;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--error);
}

@media (max-width: 767px) {
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  .form { gap: 16px; }
}

/* =======================================================
   08. 流程时间轴 / 步骤（浅色版）
======================================================= */
.process-steps {
  position: relative;
  counter-reset: step;
}
.process-steps-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
}
.process-steps-row::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 36px;
  right: 36px;
  height: 2px;
  background: linear-gradient(90deg, #2563EB, #06B6D4, #D4A853);
  opacity: 0.2;
  z-index: 0;
}
.process-step {
  counter-increment: step;
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 4px;
}
.process-step .ps-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.3s ease;
  font-size: 28px;
  font-weight: 700;
}
.process-step .ps-num::before {
  content: counter(step, decimal-leading-zero);
  color: #2563EB;
}
.process-step:hover .ps-num {
  transform: translateY(-4px);
  border-color: #BFDBFE;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
}
.process-step h4 {
  font-size: 17px;
  margin-bottom: 10px;
  color: #0F172A;
}
.process-step p {
  font-size: 13px;
  line-height: 1.65;
  padding: 0 6px;
  color: #334155;
}
.process-step .ps-output {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #E5E7EB;
}
.process-step .ps-output .tag { display: inline-block; margin-bottom: 6px; }

@media (max-width: 1199px) {
  .process-steps-row { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .process-steps-row::before { display: none; }
}
@media (max-width: 767px) {
  .process-steps-row { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .process-step .ps-num { width: 60px; height: 60px; border-radius: 16px; font-size: 22px; margin-bottom: 16px; }
}

/* 纵向流程（详细页用） */
.process-vertical {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}
.process-vertical::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, #2563EB, #06B6D4, #D4A853);
  opacity: 0.25;
}
.pv-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 24px 0;
  position: relative;
}
.pv-item .pv-num {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2563EB;
  font-weight: 700;
  font-size: 22px;
  z-index: 1;
}
.pv-item .pv-content h4 { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; color: #0F172A; }
.pv-item .pv-content ul { margin-top: 12px; }
.pv-item .pv-content ul li {
  font-size: 14px;
  color: #334155;
  padding: 6px 0 6px 20px;
  position: relative;
}
.pv-item .pv-content ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #2563EB;
  opacity: 0.7;
}
.pv-item .pv-output {
  margin-top: 14px;
  padding: 14px 16px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid #BFDBFE;
  border-radius: 10px;
}
.pv-item .pv-output strong { color: #2563EB; font-size: 13px; font-weight: 600; display: block; margin-bottom: 6px; }
.pv-item .pv-output span { font-size: 13px; color: #334155; line-height: 1.6; }

@media (max-width: 767px) {
  .process-vertical::before { left: 20px; }
  .pv-item { grid-template-columns: 48px 1fr; gap: 16px; padding: 16px 0; }
  .pv-item .pv-num { width: 44px; height: 44px; border-radius: 12px; font-size: 16px; }
}

/* =======================================================
   09. 团队成员卡 / 核心成员（浅色版）
======================================================= */
.team-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-xl);
  padding: 32px 24px 28px;
  text-align: center;
  transition: all 0.35s ease;
}
.team-card:hover {
  border-color: #BFDBFE;
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
}
.team-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  font-weight: 700;
  color: #2563EB;
  border: 3px solid #F0F4F9;
  position: relative;
  overflow: hidden;
}
.team-avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.18), transparent 60%);
}
.team-avatar span { position: relative; z-index: 1; }
.team-card h4 { font-size: 18px; margin-bottom: 4px; color: #0F172A; }
.team-card .team-role {
  color: #2563EB;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  display: inline-block;
}
.team-card .team-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
}
.team-card .team-bio {
  font-size: 13px;
  line-height: 1.7;
  color: #334155;
  text-align: left;
  padding: 12px;
  background: #F6F8FB;
  border-radius: 10px;
  border: 1px solid #E5E7EB;
}

/* =======================================================
   10. 面包屑导航 / 页面Hero / 分类筛选器（浅色版）
======================================================= */
.breadcrumb {
  padding-top: 96px;
  padding-bottom: 24px;
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 13px;
  color: #64748B;
}
.breadcrumb ol li {
  display: inline-flex;
  align-items: center;
}
.breadcrumb ol li + li::before {
  content: "/";
  margin-right: 10px;
  color: #94A3B8;
  opacity: 0.8;
}
.breadcrumb ol li a:hover { color: #2563EB; }
.breadcrumb ol li.current { color: #0F172A; font-weight: 500; }

/* 页面Hero（子页面） */
.page-hero {
  padding-bottom: 56px;
}
.page-hero .eyebrow { display: inline-block; margin-bottom: 16px; }
.page-hero h1 {
  font-size: 44px;
  margin-bottom: 16px;
  color: #0F172A;
}
.page-hero p {
  font-size: 17px;
  max-width: 680px;
  color: #334155;
}

/* 分类筛选器 */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #334155;
  transition: all 0.2s ease;
}
.filter-btn:hover {
  border-color: #BFDBFE;
  color: #2563EB;
  background: #EFF6FF;
}
.filter-btn.active {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.20);
}

/* =======================================================
   11. AI助手 · FAB浮动按钮 + 对话面板
   （完整区块集中管理）
======================================================= */

/* ---------- A. FAB 浮动按钮（圆形 + 多层动态装饰） ---------- */
.ai-fab-wrapper {
  position: fixed;
  right: 24px;
  top: 35vh;
  width: 60px;
  height: 60px;
  z-index: 9990;
}

/* 3 层脉冲扩散环 —— 兄弟元素，不被 button 裁剪 */
.ai-fab-wrapper .fab-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid rgba(37, 99, 235, 0.5);
  pointer-events: none;
  opacity: 0;
}
.ai-fab-wrapper .fab-pulse-1 {
  animation: fabPulseExpand 2.4s ease-out infinite;
}
.ai-fab-wrapper .fab-pulse-2 {
  animation: fabPulseExpand 2.4s ease-out infinite 0.8s;
  border-color: rgba(6, 182, 212, 0.5);
}
.ai-fab-wrapper .fab-pulse-3 {
  animation: fabPulseExpand 2.4s ease-out infinite 1.6s;
  border-color: rgba(59, 130, 246, 0.4);
}
@keyframes fabPulseExpand {
  0%   { transform: scale(1);    opacity: 0.8; border-width: 3px; }
  60%  { opacity: 0.3; }
  100% { transform: scale(2.6);  opacity: 0;   border-width: 1px; }
}

/* 旋转轨道 + 粒子 */
.ai-fab-wrapper .fab-orbit-ring {
  position: absolute;
  top: -8px;
  left: -8px;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  pointer-events: none;
  animation: fabOrbitSpin 5s linear infinite;
}
.ai-fab-wrapper .fab-orbit-ring .fab-orbit-dot {
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: #06B6D4;
  box-shadow: 0 0 12px #06B6D4, 0 0 4px #fff;
}
@keyframes fabOrbitSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* 图片本体（圆形 + 白边 + 呼吸阴影） */
.ai-chat-fab {
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  cursor: pointer;
  border: 3px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4), 0 0 0 1px rgba(6, 182, 212, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fabBreathe 2.5s ease-in-out infinite;
  z-index: 2;
  display: block;
}
.ai-chat-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.55), 0 0 0 4px rgba(59, 130, 246, 0.2);
}
.ai-chat-fab:active { transform: scale(1.05); }

/* 图片呼吸（阴影脉冲） */
@keyframes fabBreathe {
  0%, 100% {
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4), 0 0 0 1px rgba(6, 182, 212, 0.3);
  }
  50% {
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4), 0 0 0 6px rgba(59, 130, 246, 0.12), 0 0 20px rgba(6, 182, 212, 0.3);
  }
}

.ai-fab-wrapper.hidden-fab { display: none; }

/* ---------- B. 对话面板 ---------- */
.ai-chat-panel {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 440px;
  max-width: calc(100vw - 48px);
  height: 620px;
  max-height: calc(100vh - 80px);
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.15);
  z-index: 9995;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.ai-chat-panel.open { display: flex; }
.ai-chat-panel.hidden-panel { display: none; }

/* ---------- C. 面板 Header（简介风格·大头像） ---------- */
.acp-header {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  flex-shrink: 0;
}
.acp-header-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 头像包裹器（44px 大尺寸） */
.acp-header-avatar-wrap {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 100%);
  border: 1px solid #BFDBFE;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 2px;
}
.acp-header-avatar {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: contain;
  background: #fff;
  display: block;
}
.acp-header-avatar-fallback {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.acp-header-txt .name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #0F172A;
  line-height: 1.2;
}
.acp-header-txt .status {
  font-size: 12px;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1.4;
}
.acp-header-txt .status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.18);
}

.acp-header-actions { display: flex; gap: 4px; }
.acp-close, .acp-refresh {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  font-size: 15px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.acp-close:hover, .acp-refresh:hover { background: #F6F8FB; color: #2563EB; }

/* ---------- D. 对话区 Body（隐藏滚动条） ---------- */
.acp-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #FAFBFC;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.acp-body::-webkit-scrollbar { display: none; }
.acp-body::-webkit-scrollbar-thumb { display: none; }

/* ---------- E. 欢迎卡片 & 快捷问题 ---------- */
.welcome-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 4px;
}
.welcome-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0F172A;
}
.welcome-card h4 span { color: #2563EB; }
.welcome-card p {
  font-size: 13px;
  margin-bottom: 14px;
  line-height: 1.6;
  color: #334155;
}
.quick-q {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quick-q button {
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 10px;
  color: #334155;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.quick-q button:hover {
  border-color: #BFDBFE;
  color: #2563EB;
  background: #EFF6FF;
  transform: translateX(2px);
}

/* ---------- F. 消息气泡 ---------- */
.msg {
  display: flex;
  gap: 10px;
  max-width: 92%;
  animation: msgIn 0.25s ease-out both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg .av {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  overflow: hidden;
}
.msg.ai .av {
  background: #fff;
  border: 1px solid #E5E7EB;
  padding: 2px;
}
.msg.ai .av img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: contain;
  display: block;
  background: #fff;
}
.msg.user .av {
  background: #F6F8FB;
  color: #0F172A;
  border: 1px solid #E5E7EB;
}

.msg .bubble {
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.7;
  min-width: 0;
  word-break: break-word;
}
.msg.ai .bubble {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #0F172A;
  border-top-left-radius: 4px;
}
.msg.user .bubble {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #fff;
  border-top-right-radius: 4px;
}
.msg .bubble p + p { margin-top: 8px; }
.msg .bubble ul { margin: 6px 0 6px 16px; list-style: disc; }
.msg .bubble ul li { margin: 3px 0; font-size: 13.5px; color: inherit; }
.msg .bubble a { color: #2563EB; text-decoration: underline; }
.msg .sources {
  margin-top: 10px;
  padding: 10px 12px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 10px;
}
.msg .sources strong {
  font-size: 11px;
  color: #2563EB;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
.msg .sources ul { list-style: none; margin: 0; padding: 0; }
.msg .sources ul li {
  font-size: 12px;
  color: #334155;
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.msg .sources ul li::before { content: "📎"; }
.msg .sources ul li a:hover { color: #2563EB; }

/* 输入中动画 */
.typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}
.typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #94A3B8;
  animation: typing 1.3s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ---------- G. 输入区（简洁蓝白·大圆角·滚动条隐藏） ---------- */
.acp-input-wrap {
  padding: 14px 16px 16px;
  border-top: 1px solid #F1F5F9;
  background: #FFFFFF;
  flex-shrink: 0;
}
.acp-input-wrap {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.acp-input {
  flex: 1;
  min-height: 42px;
  max-height: 120px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 14px;
  padding: 11px 16px;
  color: #0F172A;
  font-size: 14px;
  line-height: 1.8;
  resize: none;
  overflow-y: auto;
  transition: all 0.2s ease;
  scrollbar-width: none;
  -ms-overflow-style: none;
  font-family: inherit;
}
.acp-input::-webkit-scrollbar { display: none; }
.acp-input:focus {
  border-color: #2563EB;
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
  background: #FFFFFF;
}
.acp-input::placeholder { color: #94A3B8; font-size: 13px; }

.acp-send {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.acp-send:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}
.acp-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- 响应式 ---------- */
@media (max-width: 767px) {
  .ai-fab-wrapper {
    right: 16px;
    top: 32vh;
    width: 50px;
    height: 50px;
  }
  .ai-fab-wrapper .fab-pulse {
    width: 50px;
    height: 50px;
  }
  .ai-fab-wrapper .fab-orbit-ring {
    width: 64px;
    height: 64px;
    top: -7px;
    left: -7px;
  }
  .ai-chat-fab {
    width: 50px;
    height: 50px;
  }
  .ai-chat-panel {
    right: 0; left: 0; bottom: 0;
    width: 100%;
    max-width: 100%;
    height: 92vh;
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
  }
}

/* =======================================================
   12. AI总结按钮 + 弹层（浅色版）
======================================================= */
.ai-summary-wrapper {
  position: relative;
  z-index: 2;
}
.ai-summary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  height: 42px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #2563EB;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.ai-summary-btn:hover {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #2563EB;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.18);
  transform: translateY(-1px);
}
.ai-summary-btn .ai-sparkle { animation: sparkle 2s ease-in-out infinite; }
@keyframes sparkle {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}
.ai-summary-btn:disabled { opacity: 0.6; cursor: wait; }
.ai-summary-btn .loading {
  width: 14px; height: 14px;
  border: 2px solid rgba(37, 99, 235, 0.3);
  border-top-color: #2563EB;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 总结弹层遮罩 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.modal-mask.show { display: flex; opacity: 1; }
.modal {
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.15);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-mask.show .modal { transform: translateY(0) scale(1); }

/* AI总结小窗口 */
.ai-summary-modal {
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.15);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-mask.show .ai-summary-modal { transform: translateY(0) scale(1); }
.ai-summary-modal .modal-header {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #E5E7EB;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(6, 182, 212, 0.03));
}
.ai-summary-modal .modal-header-info { display: flex; align-items: center; gap: 12px; }
.ai-summary-modal .modal-header-badge {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid rgba(37, 99, 235, 0.3);
  flex-shrink: 0;
}
.ai-summary-modal .modal-header h3 { font-size: 16px; margin-bottom: 2px; color: #2563EB; }
.ai-summary-modal .modal-header .mh-meta { font-size: 12px; color: #64748B; display: flex; gap: 12px; flex-wrap: wrap; }
.ai-summary-modal .modal-close {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  cursor: pointer;
  border: none;
  background: transparent;
}
.ai-summary-modal .modal-close:hover { background: #F6F8FB; color: #2563EB; }
.ai-summary-modal .modal-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1;
}
.ai-summary-modal .modal-body::-webkit-scrollbar { width: 6px; }
.ai-summary-modal .modal-body::-webkit-scrollbar-thumb { background: #E5E7EB; border-radius: 3px; }
.ai-summary-modal .modal-footer {
  padding: 12px 22px;
  border-top: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.ai-summary-modal .modal-footer .regenerate {
  font-size: 13px;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: none;
  background: transparent;
}
.ai-summary-modal .modal-footer .regenerate:hover { color: #2563EB; }
.ai-summary-modal .modal-footer .actions { display: flex; gap: 10px; flex-wrap: wrap; }

.modal-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #E5E7EB;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(6, 182, 212, 0.03));
}
.modal-header-info { display: flex; align-items: center; gap: 12px; }
.modal-header-badge {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid rgba(37, 99, 235, 0.3);
  flex-shrink: 0;
}
.modal-header h3 { font-size: 17px; margin-bottom: 2px; color: #0F172A; }
.modal-header .mh-meta { font-size: 12px; color: #64748B; display: flex; gap: 12px; flex-wrap: wrap; }
.modal-close {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
}
.modal-close:hover { background: #F6F8FB; color: #2563EB; }

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-body::-webkit-scrollbar { width: 6px; }
.modal-body::-webkit-scrollbar-thumb { background: #E5E7EB; border-radius: 3px; }

.summary-tldr {
  padding: 16px 18px;
  background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
  border: 1px solid #BFDBFE;
  border-radius: 14px;
  margin-bottom: 20px;
}
.summary-tldr strong {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2563EB;
  margin-bottom: 8px;
  font-weight: 600;
}
.summary-tldr p { font-size: 15px; color: #0F172A; line-height: 1.7; }

.summary-section { margin-bottom: 20px; }
.summary-section:last-child { margin-bottom: 0; }
.summary-section h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #2563EB;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.summary-section ul { list-style: none; }
.summary-section ul li {
  position: relative;
  padding-left: 20px;
  padding-bottom: 10px;
  font-size: 14.5px;
  color: #334155;
  line-height: 1.7;
}
.summary-section ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  margin-top: 2px;
}
.summary-section ul li strong { color: #0F172A; font-weight: 600; }
.summary-value li::before {
  background: #2563EB !important;
}

/* Loading骨架 */
.summary-loading .sl {
  background: linear-gradient(90deg, #F6F8FB 25%, #EFF6FF 50%, #F6F8FB 75%);
  background-size: 200% 100%;
  animation: sl 1.4s infinite;
  border-radius: 6px;
}
@keyframes sl {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.summary-loading .sl-tldr { height: 80px; margin-bottom: 20px; border-radius: 14px; }
.summary-loading .sl-title { height: 18px; width: 140px; margin-bottom: 14px; }
.summary-loading .sl-li { height: 18px; margin-bottom: 12px; }
.summary-loading .sl-li.w-80 { width: 80%; }
.summary-loading .sl-li.w-70 { width: 70%; }
.summary-loading .sl-li.w-90 { width: 90%; }

.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.modal-footer .regenerate {
  font-size: 13px;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.modal-footer .regenerate:hover { color: #2563EB; }
.modal-footer .actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* =======================================================
   13. 杂项：回到顶部、渐变分隔线、数字见证卡片、FAQ、CTA Banner
======================================================= */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 96px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #334155;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover {
  color: #fff;
  background: #2563EB;
  border-color: #2563EB;
}
@media (max-width: 767px) {
  .back-to-top { right: 16px; bottom: 88px; width: 40px; height: 40px; }
}

/* 渐变分隔 */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #BFDBFE, rgba(212, 168, 83, 0.25), transparent);
  border: none;
  margin: 0;
}

/* 数字见证统计条 */
.stats-bar {
  padding: 48px 0;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
  background:
    linear-gradient(90deg, rgba(37,99,235,0.03), transparent 40%, transparent 60%, rgba(212,168,83,0.03));
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 24px 28px;
}
.stat-item .num {
  font-size: 44px;
  font-weight: 700;
  color: #2563EB;
  margin-bottom: 8px;
  line-height: 1;
}
.stat-item .num .unit { font-size: 20px; font-weight: 500; }
.stat-item .label {
  font-size: 14px;
  color: #334155;
}
@media (max-width: 991px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat-item .num { font-size: 36px; }
}
@media (max-width: 767px) {
  .stats-bar { padding: 32px 0; }
  .stat-item .num { font-size: 30px; }
  .stat-item .num .unit { font-size: 16px; }
  .stat-item .label { font-size: 13px; }
}

/* CTA Banner（浅色版） */
.cta-banner {
  padding: 64px 48px;
  background:
    radial-gradient(ellipse at top left, rgba(37,99,235,0.08), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(212,168,83,0.06), transparent 55%),
    linear-gradient(135deg, #FFFFFF, #F6F8FB);
  border: 1px solid #E5E7EB;
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.05);
}
.cta-banner h3 {
  font-size: 28px;
  margin-bottom: 12px;
  color: #0F172A;
}
.cta-banner h3 .gradient-text { font-size: 30px; }
.cta-banner p {
  font-size: 16px;
  max-width: 560px;
  color: #334155;
}
.cta-banner .cta-btn {
  justify-self: end;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.cta-banner .cta-btn .btn { min-width: 180px; }
@media (max-width: 991px) {
  .cta-banner { grid-template-columns: 1fr; text-align: center; padding: 48px 32px; }
  .cta-banner .cta-btn { justify-self: center; align-items: center; }
  .cta-banner p { margin: 0 auto; }
}
@media (max-width: 767px) {
  .cta-banner { padding: 32px 20px; border-radius: 18px; }
  .cta-banner h3 { font-size: 22px; }
  .cta-banner h3 .gradient-text { font-size: 24px; }
  .cta-banner .cta-btn .btn { width: 100%; }
}

/* FAQ折叠（浅色版） */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item.open { border-color: #BFDBFE; }
.faq-q {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-weight: 500;
  font-size: 15px;
  color: #0F172A;
  transition: background 0.2s ease;
}
.faq-q:hover { background: #F6F8FB; }
.faq-q .faq-toggle {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  background: #F6F8FB;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  transition: all 0.25s ease;
}
.faq-item.open .faq-toggle {
  background: #2563EB;
  color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  display: none;
  padding: 0 20px 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #334155;
  animation: fadeIn 0.25s ease both;
}
.faq-item.open .faq-a { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* =======================================================
   14. 社交媒体扫码模块（联系合作页使用，浅色版）
======================================================= */
.social-qr-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-lg);
  padding: 22px 18px 18px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.social-qr-card:hover {
  transform: translateY(-4px);
  border-color: #BFDBFE;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.08);
}
.social-qr-card .sqr-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
  align-self: flex-start;
}
.social-qr-card h5 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 14px;
  color: #0F172A;
}
.social-qr-card .qr-placeholder {
  background: #fff;
  border-radius: 10px;
  padding: 12px;
  aspect-ratio: 1 / 1;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #E5E7EB;
}

/* 栅格响应式补充 */
@media (max-width: 991px) {
  .grid.grid-4 { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 575px) {
  .grid.grid-4 { grid-template-columns: 1fr; }
}

/* =======================================================
   15. 发展历程时间轴 Timeline（垂直历史轴 · 白蓝主题）
======================================================= */
.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 8px 0 8px 8px;
}
/* 中轴竖线 */
.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 11px;
  width: 2px;
  background: linear-gradient(180deg,
    rgba(37, 99, 235, 0.15) 0%,
    #2563EB 12%,
    #2563EB 88%,
    rgba(212, 168, 83, 0.4) 100%);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding: 0 0 28px 44px;
}
.timeline-item:last-child { padding-bottom: 0; }
/* 节点圆点 */
.tl-dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2px solid #2563EB;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
  z-index: 1;
}
.tl-dot::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2563EB;
}
/* 未来节点：蓝色 */
.tl-dot-future {
  border-color: #2563EB;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}
.tl-dot-future::after { background: #2563EB; }

.tl-content {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.tl-content::before {
  content: "";
  position: absolute;
  top: 14px;
  left: -7px;
  width: 12px;
  height: 12px;
  background: #FFFFFF;
  border-left: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transform: rotate(45deg);
}
.tl-content:hover {
  border-color: #BFDBFE;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.10);
  transform: translateX(4px);
}
.tl-time {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.tl-time b {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--brand-blue);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border-blue);
}
.tl-content h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.tl-content p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}
@media (max-width: 575px) {
  .timeline { padding-left: 4px; }
  .timeline-item { padding-left: 36px; padding-bottom: 20px; }
  .tl-content { padding: 16px 18px; }
  .tl-content h4 { font-size: 15px; }
  .tl-content p { font-size: 13.5px; }
}

/* =======================================================
   16. 导航搜索框（预留）
======================================================= */
.nav-search-form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 6px;
  border-radius: 10px;
  background: #F6F8FB;
  border: 1px solid #E5E7EB;
  margin-right: 12px;
}
.nav-search-input {
  border: 0;
  background: transparent;
  outline: none;
  padding: 0 10px;
  width: 180px;
  height: 32px;
  font-size: 14px;
  color: #0F172A;
}
.nav-search-btn {
  border: 0;
  background: #2563EB;
  color: #fff;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* =======================================================
   17. AI助手内联模块（页面内嵌入）
======================================================= */
.ai-helper-inline {
  margin: 24px auto 8px;
  max-width: 1100px;
  padding: 20px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(37, 99, 235, 0.02));
  border: 1px solid #BFDBFE;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ai-helper-inline .ahi-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: #0F172A;
}
.ai-helper-inline .ahi-title i {
  color: #2563EB;
}
.ai-helper-inline .ahi-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ai-helper-inline .ahi-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid #E5E7EB;
  background: #FFFFFF;
  color: #2563EB;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
}
.ai-helper-inline .ahi-btn.ahi-primary {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}
.ai-helper-inline .ahi-btn.ahi-primary:hover {
  background: #1D4ED8;
}
.ai-helper-inline .ahi-btn:hover {
  background: #EFF6FF;
  border-color: #2563EB;
}
.ai-helper-inline .ahi-summary {
  padding: 16px 18px;
  border-radius: 12px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  display: none;
  font-size: 14px;
  line-height: 1.8;
  color: #334155;
}
.ai-helper-inline .ahi-summary.show {
  display: block;
}
.ai-helper-inline .ahi-summary h4 {
  font-size: 15px;
  color: #0F172A;
  margin-bottom: 8px;
}
.ai-helper-inline .ahi-summary ul {
  padding-left: 18px;
  margin: 8px 0;
}

/* =======================================================
   18. 案例图片统一尺寸 + 品牌合作墙
======================================================= */
.case-cover-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  background: #F1F5F9;
  display: block;
}
.brand-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.brand-card {
  padding: 22px 14px;
  border-radius: 12px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  text-align: center;
  transition: all .25s;
  min-height: 76px;
}
.brand-card:hover {
  border-color: #2563EB;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
  color: #2563EB;
}
@media (max-width: 991px) {
  .brand-wall {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 560px) {
  .brand-wall {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =======================================================
   19. AI聊天面板 Kiki 风格重设计
======================================================= */
.ai-chat-panel {
  position: fixed !important;
  right: 24px !important;
  bottom: 24px !important;
  left: auto !important;
  top: auto !important;
  width: 420px !important;
  max-width: calc(100vw - 48px) !important;
  height: 640px !important;
  max-height: calc(100vh - 48px) !important;
  background: #FFFFFF !important;
  border-radius: 18px !important;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12), 0 4px 16px rgba(37, 99, 235, 0.08) !important;
  border: 1px solid #E5E7EB !important;
  display: none !important;
  flex-direction: column !important;
  overflow: hidden !important;
  z-index: 100 !important;
}
.ai-chat-panel.open {
  display: flex !important;
  animation: panel-in .25s ease-out !important;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.acp-header {
  background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%) !important;
  padding: 16px 18px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 14px !important;
  border-bottom: none !important;
}
.acp-header-info {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  flex: 1 !important;
  min-width: 0 !important;
}
.acp-header-info .r-logo {
  width: 38px !important;
  height: 38px !important;
  border-radius: 50% !important;
  flex-shrink: 0 !important;
  background: rgba(255, 255, 255, 0.18) !important;
  backdrop-filter: blur(10px) !important;
  color: #FFFFFF !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
}
.acp-header-info .r-logo img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  border-radius: 0 !important;
  padding: 5px !important;
  box-sizing: border-box !important;
}
.acp-header-txt {
  flex: 1 !important;
  min-width: 0 !important;
}
.acp-header-txt .name {
  color: #FFFFFF !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  line-height: 1.3 !important;
  margin-bottom: 2px !important;
}
.acp-header-txt .status {
  color: rgba(255, 255, 255, 0.85) !important;
  font-size: 12px !important;
  line-height: 1.4 !important;
  margin-top: 2px !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
}
.acp-header-txt .status::before {
  content: "" !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #4ADE80 !important;
  display: inline-block !important;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.2) !important;
}
.acp-header-actions {
  display: flex !important;
  gap: 4px !important;
  align-items: center !important;
}
.acp-refresh,
.acp-close {
  width: 32px !important;
  height: 32px !important;
  border-radius: 8px !important;
  border: none !important;
  background: rgba(255, 255, 255, 0.12) !important;
  color: #FFFFFF !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: background .2s !important;
  padding: 0 !important;
}
.acp-refresh:hover,
.acp-close:hover {
  background: rgba(255, 255, 255, 0.22) !important;
  color: #FFFFFF !important;
}

.acp-body {
  flex: 1 !important;
  overflow-y: auto !important;
  padding: 20px 16px !important;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 14px !important;
}

.msg {
  display: flex !important;
  gap: 10px !important;
  max-width: 88% !important;
  align-items: flex-end !important;
  animation: msgIn 0.25s ease-out both !important;
}
.msg.user {
  align-self: flex-end !important;
  flex-direction: row-reverse !important;
}
.msg .av,
.msg .avatar {
  width: 30px !important;
  height: 30px !important;
  border-radius: 50% !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 13px !important;
  color: #fff !important;
}
.msg.ai .av,
.msg.ai .avatar {
  background: none !important;
}
.msg.ai .av img,
.msg.ai .avatar img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}
.msg.user .av,
.msg.user .avatar {
  background: none !important;
  color: #475569 !important;
  border: none !important;
}
.msg .bubble {
  padding: 10px 14px !important;
  border-radius: 14px !important;
  font-size: 14px !important;
  line-height: 1.7 !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  min-width: 0 !important;
}
.msg.ai .bubble {
  background: #FFFFFF !important;
  color: #0F172A !important;
  border: 1px solid #E5E7EB !important;
  border-bottom-left-radius: 4px !important;
  border-top-left-radius: 14px !important;
}
.msg.user .bubble {
  background: linear-gradient(135deg, #2563EB, #1D4ED8) !important;
  color: #FFFFFF !important;
  border-bottom-right-radius: 4px !important;
  border-top-right-radius: 14px !important;
  border: none !important;
}

.typing {
  display: flex !important;
  gap: 5px !important;
  padding: 4px 0 !important;
}
.typing span {
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #94A3B8 !important;
  animation: ty 1.2s infinite !important;
}
.typing span:nth-child(2) { animation-delay: .2s !important; }
.typing span:nth-child(3) { animation-delay: .4s !important; }
@keyframes ty {
  0%, 60%, 100% { transform: translateY(0); opacity: .4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* 欢迎卡片 */
.welcome-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(6, 182, 212, 0.04)) !important;
  border: 1px solid #BFDBFE !important;
  border-radius: 14px !important;
  padding: 16px !important;
  margin-bottom: 6px !important;
}
.welcome-card h4 {
  color: #0F172A !important;
  font-size: 15px !important;
  margin-bottom: 8px !important;
  font-weight: 600 !important;
}
.welcome-card p {
  color: #334155 !important;
  font-size: 13px !important;
  line-height: 1.7 !important;
  margin-bottom: 12px !important;
}
.quick-q {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}
.quick-q button {
  border: 1px solid #BFDBFE !important;
  background: #FFFFFF !important;
  color: #2563EB !important;
  padding: 6px 12px !important;
  border-radius: 999px !important;
  font-size: 12px !important;
  cursor: pointer !important;
  transition: all .2s !important;
}
.quick-q button:hover {
  background: #EFF6FF !important;
  border-color: #2563EB !important;
}

/* Input 区 */
.acp-input-wrap {
  padding: 14px 16px 18px !important;
  border-top: 1px solid #E5E7EB !important;
  background: #FFFFFF !important;
  display: flex !important;
  gap: 10px !important;
  align-items: flex-end !important;
}
.acp-input {
  flex: 1 !important;
  min-height: 40px !important;
  max-height: 120px !important;
  resize: none !important;
  border-radius: 12px !important;
  border: 1px solid #E5E7EB !important;
  padding: 10px 14px !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  outline: none !important;
  color: #0F172A !important;
  background: #F8FAFC !important;
  transition: all .2s !important;
  font-family: inherit !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.acp-input:focus {
  border-color: #2563EB !important;
  background: #FFFFFF !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}
.acp-send {
  width: 40px !important;
  height: 40px !important;
  border-radius: 12px !important;
  border: none !important;
  background: linear-gradient(135deg, #2563EB, #1D4ED8) !important;
  color: #FFFFFF !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  transition: all .2s !important;
  padding: 0 !important;
}
.acp-send:disabled {
  opacity: .4 !important;
  cursor: not-allowed !important;
}
.acp-send:hover:not(:disabled) {
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3) !important;
}

.acp-footer-note {
  margin-top: 8px;
  font-size: 11px;
  color: #94A3B8;
  text-align: center;
}

@media (max-width: 767px) {
  .ai-chat-panel {
    right: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    height: 92vh !important;
    max-height: 92vh !important;
    border-radius: 20px 20px 0 0 !important;
  }
}

/* =======================================================
   21. AI总结弹窗 / 细聊弹窗
   （统一AI头像为 iconaichat.png）
======================================================= */
.modal-header-badge {
  width: 40px !important;
  height: 40px !important;
  border-radius: 12px !important;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 100%) !important;
  border: 1px solid #BFDBFE !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 2px !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15) !important;
  flex-shrink: 0 !important;
  overflow: hidden !important;
  line-height: 1 !important;
  font-size: 0 !important;
}
.modal-header-badge-img {
  width: 100% !important;
  height: 100% !important;
  border-radius: 10px !important;
  object-fit: contain !important;
  background: #fff !important;
  display: block !important;
}
.modal-header-badge-fallback {
  width: 100% !important;
  height: 100% !important;
  border-radius: 10px !important;
  background: linear-gradient(135deg, #2563EB, #06B6D4) !important;
  color: #fff !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 18px !important;
}
.modal-header-badge svg {
  display: none !important;
}

/* 细聊弹窗遮罩 */
.deepchat-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.deepchat-mask.show {
  display: flex;
  opacity: 1;
}

.deepchat-panel {
  width: 100%;
  max-width: 720px;
  /* 关键：给面板一个确定的高度范围，不要只靠 max-height + 子项自然撑高；
     clamp 保证小屏不超出，大屏也不会过矮 */
  height: clamp(520px, 85vh, 760px);
  max-height: 85vh;
  min-height: 520px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.15);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  isolation: isolate;
}
.deepchat-mask.show .deepchat-panel {
  transform: translateY(0) scale(1);
}

.deepchat-header {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid #E5E7EB;
  background: #FFFFFF;
  flex: 0 0 auto;
  flex-shrink: 0;
  min-height: 0;
  min-width: 0;
}
.deepchat-header-info {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}
.deepchat-header-avatar-wrap {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 100%);
  border: 1px solid #BFDBFE;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 2px;
}
.deepchat-header-avatar {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: contain;
  background: #fff;
  display: block;
}
.deepchat-header-avatar-fallback {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.deepchat-header-txt {
  flex: 1;
  min-width: 0;
}
.deepchat-header-txt .name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #0F172A;
  line-height: 1.2;
}
.deepchat-header-txt .status,
.deepchat-header-txt .dc-sub {
  font-size: 12px;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1.4;
}
.deepchat-header-txt .status::before,
.deepchat-header-txt .dc-sub::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.18);
}
.deepchat-close {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  cursor: pointer;
  border: none;
  background: transparent;
  flex-shrink: 0;
}
.deepchat-close:hover {
  background: #F6F8FB;
  color: #2563EB;
}

.deepchat-body {
  flex: 1 1 0%;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  min-width: 0;
}

.dc-summary-block {
  flex: 0 0 auto;
  max-height: 300px;
  min-height: 160px;
  height: auto;
  overflow-y: auto !important;
  overflow-x: hidden;
  padding: 18px 20px;
  border-bottom: 1px solid #E5E7EB;
  scrollbar-width: thin;
  position: relative;
  min-width: 0;
}
.dc-summary-block::-webkit-scrollbar { width: 6px; }
.dc-summary-block::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
.dc-summary-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #2563EB;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.dc-divider {
  position: relative;
  text-align: center;
  padding: 8px 0;
  flex: 0 0 auto;
  flex-shrink: 0;
  min-height: 0;
  background: #F8FAFC;
  border-bottom: 1px solid #E5E7EB;
}
.dc-divider::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 50%;
  height: 1px;
  background: #E5E7EB;
}
.dc-divider span {
  position: relative;
  background: #F8FAFC;
  padding: 0 14px;
  font-size: 12px;
  color: #64748B;
  font-weight: 500;
}

.dc-chat-block {
  flex: 1 1 0%;
  min-height: 0 !important;
  max-height: none;
  height: auto;
  overflow-y: auto !important;
  overflow-x: hidden;
  padding: 16px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  scrollbar-width: thin;
  scroll-behavior: smooth;
  position: relative;
  min-width: 0;
}
.dc-chat-block::-webkit-scrollbar { width: 6px; }
.dc-chat-block::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }

.dc-footer {
  padding: 14px 16px 18px;
  border-top: 1px solid #E5E7EB;
  background: #FFFFFF;
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex: 0 0 auto;
  flex-shrink: 0;
  min-height: 0;
  min-width: 0;
}

/* 细聊内容中的 TL;DR 样式（复用 summary-tldr 但稍小） */
.dc-summary-block .summary-tldr {
  padding: 12px 14px !important;
  margin-bottom: 14px !important;
  border-radius: 12px !important;
}
.dc-summary-block .summary-tldr strong {
  font-size: 11px !important;
  margin-bottom: 6px !important;
}
.dc-summary-block .summary-tldr p {
  font-size: 14px !important;
}
.dc-summary-block .summary-section {
  margin-bottom: 14px !important;
}
.dc-summary-block .summary-section:last-child {
  margin-bottom: 0 !important;
}
.dc-summary-block .summary-section h4 {
  font-size: 12px !important;
  margin-bottom: 8px !important;
}
.dc-summary-block .summary-section ul li {
  font-size: 13.5px !important;
  padding-bottom: 6px !important;
}

/* Loading for deepchat */
.dc-loading {
  padding: 8px 0;
}
.dc-loading .sl {
  background: linear-gradient(90deg, #F6F8FB 25%, #EFF6FF 50%, #F6F8FB 75%);
  background-size: 200% 100%;
  animation: sl 1.4s infinite;
  border-radius: 6px;
}
.dc-loading .sl-tldr { height: 60px; margin-bottom: 14px; border-radius: 12px; }
.dc-loading .sl-title { height: 14px; width: 100px; margin-bottom: 10px; }
.dc-loading .sl-li { height: 14px; margin-bottom: 10px; }
.dc-loading .sl-li.w-80 { width: 80%; }
.dc-loading .sl-li.w-70 { width: 70%; }

/* =======================================================
   22. 全站按钮高度统一
======================================================= */
.btn {
  height: 42px !important;
  padding: 0 20px !important;
  line-height: 1 !important;
}
.btn-sm {
  height: 34px !important;
  padding: 0 14px !important;
  font-size: 13px !important;
}
.btn-lg {
  height: 50px !important;
  padding: 0 28px !important;
  font-size: 15px !important;
}
.btn-block {
  width: 100%;
}
.ahi-btn {
  height: 40px !important;
}

/* =======================================================
   23. V4 覆盖：FAB纯图标 + 面板现代风 + 无滚动条 + banner无圆角 + breadcrumb缩矮 + 按钮等大
======================================================= */

/* FAB：纯聊天图标，不用图片 */
.ai-chat-fab i {
  display: inline-flex !important;
  font-size: 22px !important;
  align-items: center !important;
  justify-content: center !important;
}
.ai-chat-fab img { display: none !important; }
.ai-chat-fab .fab-tooltip {
  background: #0F172A !important;
  color: #FFFFFF !important;
  font-size: 13px !important;
  padding: 7px 14px !important;
  border-radius: 10px !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15) !important;
}

/* 聊天面板：现代简洁风格 */
.ai-chat-panel {
  border-radius: 20px !important;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.15), 0 4px 24px rgba(37, 99, 235, 0.06) !important;
  border: 1px solid rgba(229, 231, 235, 0.8) !important;
}
.acp-header {
  padding: 14px 18px !important;
  background: #FFFFFF !important;
  border-bottom: 1px solid #F1F5F9 !important;
}
.acp-header-info .r-logo {
  background: linear-gradient(135deg, #2563EB, #06B6D4) !important;
  width: 36px !important;
  height: 36px !important;
}
.acp-header-txt .name {
  color: #0F172A !important;
  font-size: 15px !important;
  font-weight: 600 !important;
}
.acp-header-txt .status {
  color: #64748B !important;
  font-size: 12px !important;
}
.acp-header-txt .status::before {
  background: #22C55E !important;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15) !important;
}
.acp-refresh, .acp-close {
  background: #F1F5F9 !important;
  color: #475569 !important;
  border-radius: 10px !important;
}
.acp-refresh:hover, .acp-close:hover {
  background: #E2E8F0 !important;
  color: #0F172A !important;
}

/* 聊天body：隐藏滚动条 + 平滑滚动 */
.acp-body {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
  background: #FAFBFC !important;
  padding: 16px 14px !important;
  scroll-behavior: smooth !important;
}
.acp-body::-webkit-scrollbar { display: none !important; }

/* 气泡：现代风格 */
.msg .bubble {
  border-radius: 16px !important;
  padding: 10px 14px !important;
  font-size: 14px !important;
  line-height: 1.65 !important;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04) !important;
}
.msg.ai .bubble {
  background: #FFFFFF !important;
  border: 1px solid #F1F5F9 !important;
  border-bottom-left-radius: 4px !important;
}
.msg.user .bubble {
  background: linear-gradient(135deg, #2563EB, #1D4ED8) !important;
  border-bottom-right-radius: 4px !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2) !important;
}
.msg .av, .msg .avatar {
  width: 28px !important;
  height: 28px !important;
}

/* 输入区：现代风格 */
.acp-input-wrap {
  padding: 12px 14px 16px !important;
  border-top: 1px solid #F1F5F9 !important;
  background: #FFFFFF !important;
  gap: 8px !important;
}
.acp-input {
  border-radius: 14px !important;
  background: #F8FAFC !important;
  border: 1px solid transparent !important;
  padding: 10px 14px !important;
  font-size: 14px !important;
  transition: all .2s !important;
}
.acp-input:focus {
  background: #FFFFFF !important;
  border-color: #2563EB !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08) !important;
}
.acp-send {
  border-radius: 12px !important;
  width: 40px !important;
  height: 40px !important;
  background: linear-gradient(135deg, #2563EB, #1D4ED8) !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2) !important;
}

/* 欢迎卡片：现代风格 */
.welcome-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(6, 182, 212, 0.03)) !important;
  border: 1px solid #EFF6FF !important;
  border-radius: 16px !important;
  padding: 18px !important;
}
.welcome-card h4 { font-size: 14px !important; color: #0F172A !important; }
.welcome-card p { font-size: 13px !important; color: #475569 !important; }
.quick-q button {
  border-radius: 999px !important;
  padding: 6px 14px !important;
  font-size: 12px !important;
  border: 1px solid #E2E8F0 !important;
  background: #FFFFFF !important;
  color: #2563EB !important;
  transition: all .2s !important;
}
.quick-q button:hover {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border-color: #2563EB !important;
}

/* Deepchat 面板：现代风格 */
.deepchat-panel {
  border-radius: 20px !important;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18) !important;
  border: 1px solid rgba(229, 231, 235, 0.8) !important;
}
.deepchat-header {
  background: #FFFFFF !important;
  border-bottom: 1px solid #F1F5F9 !important;
  padding: 16px 20px !important;
}
.deepchat-header-txt h3 {
  color: #0F172A !important;
  font-size: 16px !important;
  font-weight: 600 !important;
}
.deepchat-header-txt .dc-sub {
  color: #94A3B8 !important;
  font-size: 12px !important;
}
.deepchat-close {
  background: #F1F5F9 !important;
  color: #475569 !important;
  border-radius: 10px !important;
}
.deepchat-close:hover {
  background: #E2E8F0 !important;
  color: #0F172A !important;
}
/* === 细聊弹窗：滚动/高度二次兜底（V4 覆盖层） === */
.deepchat-panel {
  /* 二次兜底：无论上面默认规则被谁盖掉，这里都强制给确定高度 + 不允许自身溢出 */
  height: clamp(520px, 85vh, 760px) !important;
  min-height: 520px !important;
  max-height: 85vh !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  box-sizing: border-box !important;
}
.deepchat-header,
.deepchat-footer,
.dc-divider,
.dc-footer {
  flex: 0 0 auto !important;
  flex-shrink: 0 !important;
  min-height: 0 !important;
  box-sizing: border-box !important;
}
.deepchat-body {
  background: #FAFBFC !important;
  flex: 1 1 0% !important;
  min-height: 0 !important;
  max-height: 100% !important;
  overflow: hidden !important;
  box-sizing: border-box !important;
}
.dc-summary-block {
  /* 关键：固定像素 max-height，确保一定会溢出 -> 触发 scroll */
  flex: 0 0 auto !important;
  max-height: 300px !important;
  min-height: 160px !important;
  height: auto !important;
  overflow-y: scroll !important; /* 用 scroll 比 auto 更稳 */
  overflow-x: hidden !important;
  scrollbar-width: thin !important;
  -ms-overflow-style: auto !important;
  scroll-behavior: smooth !important;
  box-sizing: border-box !important;
  position: relative !important;
  z-index: 1 !important;
  pointer-events: auto !important;
}
.dc-summary-block::-webkit-scrollbar { width: 6px !important; display: block !important; }
.dc-summary-block::-webkit-scrollbar-thumb { background: #94A3B8 !important; border-radius: 3px !important; }
.dc-chat-block {
  /* 聊天区：flex 吃掉剩余空间，min-height:0 强制可滚 */
  flex: 1 1 0% !important;
  min-height: 0 !important;
  max-height: none !important;
  height: auto !important;
  overflow-y: scroll !important;
  overflow-x: hidden !important;
  scrollbar-width: thin !important;
  -ms-overflow-style: auto !important;
  scroll-behavior: smooth !important;
  box-sizing: border-box !important;
  position: relative !important;
  z-index: 1 !important;
  pointer-events: auto !important;
}
.dc-chat-block::-webkit-scrollbar { width: 6px !important; display: block !important; }
.dc-chat-block::-webkit-scrollbar-thumb { background: #94A3B8 !important; border-radius: 3px !important; }

/* 细聊弹窗里 summary 内 tldr / ul li 行高收紧，避免撑爆 summary */
.dc-summary-block .summary-tldr p {
  margin: 0 !important;
  line-height: 1.55 !important;
}
.dc-summary-block .summary-section ul {
  margin: 0 !important;
  padding-left: 20px !important;
}
.dc-summary-block .summary-section ul li {
  line-height: 1.55 !important;
  padding-bottom: 4px !important;
}
.dc-divider {
  border-color: #F1F5F9 !important;
}
.dc-divider span {
  background: #FAFBFC !important;
  color: #94A3B8 !important;
  font-size: 12px !important;
}
.dc-footer {
  border-top: 1px solid #F1F5F9 !important;
  background: #FFFFFF !important;
  padding: 12px 16px 16px !important;
}

/* Banner 无圆角 */
.hero-banner, .hero-slides, .hero-slide, .hero-slide-inner {
  border-radius: 0 !important;
}

/* Breadcrumb 缩矮 */
.breadcrumb.container {
  padding: 20px 20px 8px !important;
  margin-top: 0 !important;
}
.breadcrumb.container a, .breadcrumb.container span, .breadcrumb.container i {
  font-size: 13px !important;
}

/* 同模块按钮等大 */
.cta-banner .cta-btn .btn,
.cta-banner .cta-btn a[class*="btn"] {
  height: 48px !important;
  padding: 0 24px !important;
  font-size: 15px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 12px !important;
  white-space: nowrap !important;
}
.cta-banner .cta-btn {
  display: flex !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
  align-items: center !important;
}

/* AI内联三按钮等大 */
.ai-helper-inline .ahi-actions .ahi-btn {
  height: 40px !important;
  padding: 0 18px !important;
  font-size: 14px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
}

/* ---------- Markdown 渲染样式（AI回答 / 总结面板共用） ---------- */
.md-h { margin: 12px 0 8px; color: #0F172A; font-weight: 700; line-height: 1.4; }
.md-h1 { font-size: 18px; }
.md-h2 { font-size: 16px; }
.md-h3 { font-size: 15px; }

.md-ul, .md-ol { margin: 8px 0; padding-left: 20px; }
.md-ul { list-style: disc; }
.md-ol { list-style: decimal; }
.md-ul li, .md-ol li { margin: 4px 0; line-height: 1.7; }

.md-quote {
  margin: 8px 0;
  padding: 8px 12px;
  border-left: 3px solid #BFDBFE;
  background: #EFF6FF;
  color: #1E40AF;
  border-radius: 0 10px 10px 0;
  font-size: 13px;
  line-height: 1.7;
}

.md-code {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 12.5px;
  color: #DB2777;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.md-pre {
  margin: 10px 0;
  padding: 12px 14px;
  background: #0F172A;
  color: #E2E8F0;
  border-radius: 12px;
  overflow-x: auto;
  line-height: 1.65;
  font-size: 12.5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.md-pre code { background: transparent; padding: 0; border: none; color: inherit; }

/* 气泡内段落：去掉多余默认边距，保持行高 */
.ai-content p { margin: 4px 0 6px; line-height: 1.75; }
.ai-content strong { color: #1E293B; font-weight: 700; }
.ai-content em { color: #334155; }
.ai-content a { color: #2563EB; text-decoration: none; border-bottom: 1px dashed #BFDBFE; }
.ai-content a:hover { color: #1D4ED8; border-bottom-color: #2563EB; }