/* =====================
   墨嘟嘟品牌视觉规范
   ===================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 品牌色系 - 官网蓝 */
  --primary: #0177FF;
  --primary-dark: #005FCC;
  --primary-light: #3A9BFF;
  --primary-bg: rgba(1, 119, 255, 0.12);

  /* 强调色 - 品牌粉 */
  --accent-gold: #FF7BAC;
  --accent-gold-light: #FFC1DB;
  --accent-green: #C23B78;
  --accent-green-light: #D76597;

  /* 中性色 */
  --black: #000000;
  --dark: #111111;
  --gray-900: #1F2937;
  --gray-700: #4A5568;
  --gray-500: #6B7280;
  --gray-300: #D9E8FF;
  --gray-100: #EEF5FF;
  --white: #FFFFFF;

  /* 背景色 */
  --bg: #FFFFFF;
  --bg-subtle: #F8FBFF;
  --bg-muted: #EAF3FF;
  --bg-dark: #000000;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* 圆角 - 新中式简洁风格 0-12px */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;

  /* 字体 */
  --font: -apple-system, PingFang SC, Helvetica Neue, STHeiti, Microsoft Yahei, Tahoma, Simsun, sans-serif;
  --font-serif: var(--font);
  --font-sans: var(--font);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-700);
  line-height: 1.7;
  background: var(--bg-subtle);
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================
   按钮样式
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(1, 119, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

/* =====================
   导航栏
   ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 400;
  color: var(--gray-700);
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active {
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-actions .btn-outline {
  padding: 10px 20px;
  font-size: 14px;
}

.header-actions .btn-primary {
  padding: 10px 20px;
  font-size: 14px;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 1px;
  transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================
   Hero区 - 新中式水墨风
   ===================== */
.hero {
  position: relative;
  padding: 140px 0 120px;
  min-height: 680px;
  overflow: hidden;
  background: linear-gradient(135deg, #0177FF 0%, #3A9BFF 58%, #6BB8FF 100%);
  display: flex;
  align-items: center;
}

/* 水墨装饰背景 */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 123, 172, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.14) 0%, transparent 35%),
    radial-gradient(circle at 60% 60%, rgba(194, 59, 120, 0.18) 0%, transparent 30%);
}

.hero-ink {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatInk 15s ease-in-out infinite;
}

.ink-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 123, 172, 0.4) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.ink-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  bottom: -100px;
  left: 10%;
  animation-delay: 3s;
}

.ink-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(194, 59, 120, 0.3) 0%, transparent 70%);
  top: 30%;
  left: 50%;
  animation-delay: 6s;
}

@keyframes floatInk {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  50% { transform: translate(20px, -20px) scale(1.05); opacity: 0.5; }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: left;
}

.hero-subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-gold);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 80px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 8px;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease-out 0.1s backwards;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
  font-size: 28px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 2px;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 340px;
}

.card-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--gray-100);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
}

.card-dot:first-child { background: #FF5F57; }
.card-dot:nth-child(2) { background: #FFBD2E; }
.card-dot:last-child { background: #28CA41; }

.card-content {
  padding: 20px;
}

.mini-nav {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.mini-nav span {
  font-size: 12px;
  color: var(--gray-500);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
}

.mini-nav span:first-child {
  color: var(--primary);
  background: var(--primary-bg);
}

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-bottom: 20px;
  padding: 0 8px;
}

.chart-bar {
  flex: 1;
  background: var(--gray-200);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: var(--transition);
}

.chart-bar.active {
  background: var(--primary);
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
}

.stat-label {
  font-size: 11px;
  color: var(--gray-500);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 波浪过渡 */
.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 140px;
}

/* =====================
   通用区块样式
   ===================== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 600;
  color: var(--dark);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* =====================
   核心价值区
   ===================== */
.values {
  padding: 100px 0;
  background: var(--bg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  padding: 32px 24px;
  background: var(--bg-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(1, 119, 255, 0.2);
}

.value-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-bg);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.value-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
}

.value-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* =====================
   产品功能区
   ===================== */
.products {
  padding: 100px 0;
  background: var(--bg-subtle);
}

.products-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-500);
  background: transparent;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.tab-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.tab-btn.active {
  color: var(--white);
  background: var(--primary);
  border-color: var(--primary);
}

.products-content {
  position: relative;
}

.product-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  animation: fadeInPanel 0.4s ease-out;
}

.product-panel.active {
  display: grid;
}

@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding: 6px 12px;
  background: var(--primary-bg);
  border-radius: var(--radius-sm);
}

.panel-text h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.panel-text > p {
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 28px;
  line-height: 1.7;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.feature-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}

.feature-list p {
  font-size: 13px;
  color: var(--gray-500);
}

.panel-visual {
  display: flex;
  justify-content: center;
}

.visual-card {
  background: var(--bg-subtle);
  /* border: 1px solid rgba(0, 0, 0, 0.06); */
  border-radius: var(--radius-lg);
 /*  padding: 24px; */
  width: 400px;
}

.vc-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.vc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 13px;
  color: var(--gray-700);
}

.vc-item:last-child {
  border-bottom: none;
}

.vc-badge {
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.vc-badge.red { background: rgba(1, 119, 255, 0.1); color: var(--primary); }
.vc-badge.orange { background: rgba(255, 123, 172, 0.16); color: #C23B78; }
.vc-badge.gray { background: var(--gray-100); color: var(--gray-500); }

.vc-stat {
  margin-left: auto;
  font-weight: 600;
  color: var(--dark);
}

.vc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.vc-dot.green { background: var(--accent-green); }
.vc-dot.blue { background: var(--primary-light); }
.vc-dot.orange { background: var(--accent-gold); }

.vc-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vc-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vc-bar span:first-child {
  font-size: 12px;
  color: var(--gray-500);
  width: 60px;
}

.vc-bar::after {
  content: '';
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  position: relative;
}

.vc-bar::before {
  content: '';
  position: absolute;
  left: 60px;
  height: 8px;
  width: var(--percent);
  background: var(--primary);
  border-radius: 4px;
}

.visual-card.security {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* padding: 40px; */
  text-align: center;
}

.shield-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-bg);
  border-radius: 50%;
  margin-bottom: 20px;
}

.shield-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--primary);
}

.security-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 16px;
}

.security-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.security-tags span {
  padding: 6px 12px;
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* =====================
   解决方案区
   ===================== */
.solutions {
  padding: 100px 0;
  background: var(--bg);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 40px 32px;
  background: var(--bg-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: var(--transition);
}

.solution-card.starter::before { background: var(--primary); }
.solution-card.growth::before { background: var(--accent-green); }
.solution-card.enterprise::before { background: var(--accent-gold); }

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.solution-level {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.solution-card.starter .solution-level {
  background: var(--primary-bg);
  color: var(--primary);
}

.solution-card.growth .solution-level {
  background: rgba(194, 59, 120, 0.1);
  color: var(--accent-green);
}

.solution-card.enterprise .solution-level {
  background: rgba(255, 123, 172, 0.16);
  color: #C23B78;
}

.solution-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.solution-question {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 20px;
  font-style: italic;
}

.solution-features {
  margin-bottom: 24px;
}

.solution-features li {
  font-size: 14px;
  color: var(--gray-700);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
}

.solution-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.solution-card.growth .solution-features li::before { background: var(--accent-green); }
.solution-card.enterprise .solution-features li::before { background: var(--accent-gold); }

.solution-tag {
  font-size: 12px;
  color: var(--gray-500);
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* =====================
   品牌背书区
   ===================== */
.trust {
  padding: 80px 0;
  /*  background: linear-gradient(135deg, #000000 0%, #06295C 58%, #005FCC 100%);*/
  background: linear-gradient(135deg, #0177FF 0%, #005FCC 100%);
  color: var(--white);
}

.trust-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 60px;
}

.trust-text h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.trust-text > p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 32px;
}

.trust-features {
  display: flex;
  gap: 48px;
}

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

.trust-num {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 4px;
}

.trust-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
}

.trust-cert {
  display: flex;
  gap: 24px;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.cert-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}

.cert-item span:last-child {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
}

/* =====================
   CTA申请试用区
   ===================== */
.cta {
  /* display: none; */
  padding: 100px 0;
  background: linear-gradient(135deg, #0177FF 0%, #005FCC 100%);
  color: var(--white);
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-content > p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 40px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.cta-form input,
.cta-form select {
  padding: 14px 16px;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark);
  font-family: var(--font-sans);
  transition: var(--transition);
}

.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.cta-form .btn {
  margin-top: 8px;
}

.cta-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 16px;
}

.cta-form .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.cta-form .btn-primary:hover {
  background: var(--bg-muted);
  color: var(--primary-dark);
}

/* =====================
   页脚
   ===================== */
.footer {
  background: var(--bg-dark);
  padding: 60px 0 40px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-main {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  height: 32px;
  width: auto;
}

.footer-brand > p {
  font-size: 14px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.social-link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.social-link:hover {
  color: var(--primary);
}

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

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
}

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

.footer-info p {
  font-size: 13px;
  margin-bottom: 4px;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-legal a:hover {
  color: var(--primary);
}

/* =====================
   响应式 - 平板
   ===================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .value-card {
    padding: 20px 16px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 2px 12px;
    align-items: center;
  }

  .value-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 0;
    grid-row: 1;
    grid-column: 1;
  }

  .value-icon svg {
    width: 20px;
    height: 20px;
  }

  .value-card h3 {
    grid-row: 1;
    grid-column: 2;
    margin-bottom: 0;
    font-size: 16px;
  }

  .value-card p {
    grid-row: 2;
    grid-column: 2;
    font-size: 13px;
  }

  .product-panel {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .trust-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* =====================
   响应式 - 移动端
   ===================== */
@media (max-width: 768px) {
  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    display: block;
    padding: 12px 0;
  }

  .hero {
    padding: 120px 0 100px;
    min-height: auto;
  }

  .hero-title {
    font-size: 56px;
    letter-spacing: 4px;
  }

  .hero-tagline {
    font-size: 22px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .section-title {
    font-size: 32px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .value-card {
    padding: 16px 16px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 2px 12px;
    align-items: center;
  }

  .value-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 0;
    grid-row: 1;
    grid-column: 1;
  }

  .value-icon svg {
    width: 18px;
    height: 18px;
  }

  .value-card h3 {
    grid-row: 1;
    grid-column: 2;
    margin-bottom: 0;
    font-size: 15px;
  }

  .value-card p {
    grid-row: 2;
    grid-column: 2;
    font-size: 13px;
  }

  .products-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    justify-content: flex-start;
    padding-bottom: 4px;
    gap: 6px;
  }

  .tab-btn {
    padding: 8px 16px;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .product-panel {
    padding: 24px 20px;
  }

  .panel-text h3 {
    font-size: 20px;
  }

  .panel-text > p {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .feature-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 2px 10px;
    align-items: center;
  }

  .feature-icon {
    width: 28px;
    height: 28px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    grid-row: 1;
    grid-column: 1;
  }

  .feature-list li > div {
    display: contents;
  }

  .feature-list strong {
    grid-row: 1;
    grid-column: 2;
    font-size: 14px;
    margin-bottom: 0;
  }

  .feature-list p {
    grid-row: 2;
    grid-column: 2;
    font-size: 12px;
  }

  .panel-visual {
    display: none;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .trust-features {
    flex-direction: column;
    gap: 24px;
  }

  .trust-cert {
    flex-wrap: wrap;
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 44px;
    letter-spacing: 2px;
  }

  .hero-tagline {
    font-size: 18px;
  }

  .products-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    justify-content: flex-start;
    padding-bottom: 4px;
    gap: 6px;
  }

  .tab-btn {
    padding: 8px 14px;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .product-panel {
    padding: 20px 16px;
  }

  .panel-text h3 {
    font-size: 18px;
  }

  .feature-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 1px 8px;
    align-items: center;
  }

  .feature-icon {
    width: 24px;
    height: 24px;
    font-size: 11px;
    border-radius: var(--radius-sm);
    grid-row: 1;
    grid-column: 1;
  }

  .feature-list li > div {
    display: contents;
  }

  .feature-list strong {
    grid-row: 1;
    grid-column: 2;
    font-size: 13px;
    margin-bottom: 0;
  }

  .feature-list p {
    grid-row: 2;
    grid-column: 2;
    font-size: 12px;
  }

  .section-title {
    font-size: 24px;
  }

  .trust-cert {
    gap: 16px;
  }

  .cert-icon {
    width: 40px;
    height: 40px;
    font-size: 12px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

.footer-new {
  width: 100%;
  background-color: #f7f8fa;
}
.around {
  padding-top: 0;
  padding-bottom: 0;
}

.company-certification-copyright {
  display: flex;
  justify-content: center;
  font-size: 12px;
  color: #666;
  margin-bottom: 16px;
}
.around{
  padding-top: 20px;
}
.company,.certification{
  margin-right: 20px;
}

.security-center {
  color: #666;
  font-size: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.security-center-inwall {
  display: flex;
  margin-bottom: 16px;
  align-items: center;
}
.inwall {
  width: max-content;
  display: flex;
  align-items: center;
  padding: 0 10px 0 8px;
  height: 30px;
  margin: 0 6px;
}

.inwall-1 .inwall-img{
  background-image:url(https://res.sksight.com/lib/hui/footer/1.0.3/images/sprite.png);
  width: 17px;
  height: 17px;
  background-position: -51px -46px;
  margin: 0 6px 0 2px;
}

.inwall-2 .inwall-img{
  background-image:url(https://res.sksight.com/lib/hui/footer/1.0.3/images/sprite.png);
  width: 21px;
  height: 21px;
  background-position: -21px -25px;
  margin: 0 6px 0 2px;
}
.inwall-3 .inwall-img{
  background-image:url(https://res.sksight.com/lib/hui/footer/1.0.3/images/sprite.png);
  width: 20px;
  height: 20px;
  background-position: -52px -20px;
  margin: 0 6px 0 2px;
}
.inwall-4 .inwall-img{
  background-image:url(https://res.sksight.com/lib/hui/footer/1.0.3/images/sprite.png);
  width: 26px;
  height: 25px;
  background-position: -26px 0;
  margin: 0 6px 0 2px;
}
.inwall-5 .inwall-img{
  background-image:url(https://res.sksight.com/lib/hui/footer/1.0.3/images/sprite.png);
  width: 17px;
  height: 19px;
  background-position: -17px -46px;
  margin: 0 6px 0 2px;
}

@media (max-width: 480px) {
  .footer-new {
    display: none;
  }
}