/**
 * 鹤山市爱思派电子商务有限公司 (AISIPAI) - 官方网站样式表
 * 风格定位：现代极简企业商务风 (Modern Minimalist Corporate Style)
 */

:root {
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --color-primary: #0f172a;       /* 深邃炭黑墨蓝，凸显沉稳与科技感 */
  --color-primary-light: #1e293b;
  --color-accent: #2563eb;        /* 经典科技商务蓝，用于极简点睛 */
  --color-accent-subtle: #eff6ff;
  --color-text-main: #1e293b;     /* 主标题与正文 */
  --color-text-body: #334155;     /* 正文阅读色，清晰且不刺眼 */
  --color-text-muted: #64748b;    /* 辅助说明文字 */
  --color-bg-page: #ffffff;
  --color-bg-subtle: #f8fafc;     /* 极简浅灰背景层 */
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;        /* 细腻的分隔线 */
  --color-border-hover: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* 基础重置与排版规范 */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  color: var(--color-text-body);
  background-color: var(--color-bg-page);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 600;
  line-height: 1.35;
  margin-top: 0;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #1d4ed8;
}

/* 顶部极简导航栏 (Header) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.98);
}

.navbar {
  padding: 0.9rem 0;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a8a 100%);
  color: #ffffff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name-cn {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  letter-spacing: 0.3px;
}

.brand-name-en {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-body) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent) !important;
  background-color: var(--color-accent-subtle);
}

.nav-contact-btn {
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff !important;
  background-color: var(--color-primary);
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  margin-left: 0.5rem;
}

.nav-contact-btn:hover {
  background-color: var(--color-accent);
  color: #ffffff !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

/* 按钮通用规范 */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary-custom:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-outline-custom:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
}

/* 区块与容器公用规范 */
.section-padding {
  padding: 5rem 0;
}

.section-padding-sm {
  padding: 3.5rem 0;
}

.bg-subtle-section {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  margin-bottom: 0.85rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* 01. Hero 主视窗 */
.hero-section {
  position: relative;
  padding: 5.5rem 0 5rem 0;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(15, 23, 42, 0.03) 0%, transparent 50%),
              #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-body);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}

.hero-tag-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 1.35rem;
}

.hero-title .highlight {
  color: var(--color-accent);
  position: relative;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-body);
  line-height: 1.8;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-item-number {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  font-family: var(--font-mono);
}

.stat-item-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.hero-visual-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-visual-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.visual-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.25rem;
}

.visual-quote {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.visual-meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.visual-meta-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-text-body);
  margin-bottom: 0.85rem;
}

.visual-meta-list li:last-child {
  margin-bottom: 0;
}

.visual-meta-list svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--color-accent);
}

/* 02. 关于爱思派与品牌哲思 (About) */
.philosophy-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  height: 100%;
  transition: all var(--transition-fast);
}

.philosophy-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.philosophy-badge-char {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.philosophy-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.philosophy-text {
  font-size: 0.95rem;
  color: var(--color-text-body);
  line-height: 1.75;
  margin-bottom: 0;
}

/* 03. 核心业务矩阵 (Services) */
.service-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
}

.service-tag-item {
  font-size: 0.75rem;
  color: var(--color-text-body);
  background-color: var(--color-bg-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* 04. 业务交汇创新模式 (MarTech / Cross Discipline) */
.convergence-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.step-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* 05. 进出口与商贸业务 (Global Trade - 轻描淡写) */
.trade-box {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.trade-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* 06. 企业合规与工商资质看板 (Corporate Registration - 信管局审核核心) */
.compliance-panel {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compliance-panel-header {
  background-color: var(--color-bg-subtle);
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.compliance-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #047857;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.compliance-status-dot {
  width: 6px;
  height: 6px;
  background-color: #10b981;
  border-radius: 50%;
}

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

@media (max-width: 768px) {
  .compliance-grid {
    grid-template-columns: 1fr;
  }
}

.compliance-cell {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.compliance-cell:nth-child(2n) {
  border-right: none;
}

.compliance-cell.full-width {
  grid-column: 1 / -1;
  border-right: none;
}

.compliance-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compliance-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.6;
}

.compliance-scope-text {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.8;
  background-color: var(--color-bg-subtle);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* 07. 联系我们与服务咨询及防爬虫邮箱安全卡片 */
.contact-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
}

.secure-contact-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin-top: 1.75rem;
}

.secure-email-card {
  display: inline-flex;
  align-items: stretch;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  overflow: hidden;
  max-width: 100%;
}

.secure-email-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
}

.btn-email-action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  padding: 0.85rem 1.4rem 0.85rem 1.6rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-email-action svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.btn-email-action:hover {
  color: var(--color-accent);
}

.email-display-text {
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

.btn-copy-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(15, 23, 42, 0.03);
  border: none;
  border-left: 1px solid var(--color-border);
  padding: 0.85rem 1.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-copy-email:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
}

.copy-feedback-toast {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 0.9rem;
  font-size: 0.84rem;
  font-weight: 500;
  color: #047857;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.copy-feedback-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* 08. 底部备案信息与版权栏 (Footer - 信管局核心校验区域) */
.site-footer {
  background-color: #0b1120;
  color: #94a3b8;
  padding: 3.5rem 0 2.5rem 0;
  border-top: 1px solid #1e293b;
  font-size: 0.88rem;
}

.footer-brand-title {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

.footer-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav-links a {
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.footer-nav-links a:hover {
  color: #ffffff;
}

.footer-divider {
  border-top: 1px solid #1e293b;
  margin: 2.25rem 0 1.75rem 0;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  color: #64748b;
  font-size: 0.84rem;
  margin: 0;
}

/* 备案号高亮与标准样式（不可隐藏、不可折叠、严格符合工信部标准） */
.footer-beian-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
}

.footer-beian-link {
  color: #cbd5e1 !important;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-mono);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-beian-link:hover {
  color: #38bdf8 !important;
  text-decoration: underline;
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 999;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

/* 响应式优化 */
@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.35rem;
  }
  .section-padding {
    padding: 3.5rem 0;
  }
  .hero-section {
    padding: 4rem 0 3.5rem 0;
  }
  .hero-stats {
    gap: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    font-size: 1.95rem;
  }
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-bottom-flex {
    flex-direction: column;
    align-items: flex-start;
  }
  .convergence-card {
    padding: 1.75rem;
  }
}