/* ===== Layrax 官网样式 ===== */

/* ---------- CSS 变量 ---------- */
:root {
  --color-dark: #0f0f1a;
  --color-dark-secondary: #1a1a2e;
  --color-brand: #6C63FF;
  --color-accent: #00D4AA;
  --color-light-bg: #f8f9fa;
  --color-white: #ffffff;
  --color-text-dark: #333333;
  --color-text-light: #ffffff;
  --color-text-muted: #a0a0b0;
  --color-text-muted-dark: #666666;
  --color-card-bg: #ffffff;
  --color-card-border: #e8e8f0;
  --gradient-brand: linear-gradient(135deg, #6C63FF 0%, #00D4AA 100%);
  --gradient-hero: linear-gradient(160deg, #0f0f1a 0%, #1a1a2e 40%, #2d1b69 100%);
  --shadow-card: 0 4px 24px rgba(108, 99, 255, 0.08);
  --shadow-card-hover: 0 8px 40px rgba(108, 99, 255, 0.15);
  --shadow-button: 0 4px 16px rgba(108, 99, 255, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: 0.3s ease;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text-dark);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 滚动动画 ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 10px 0;
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.navbar__logo svg {
  width: 32px;
  height: 32px;
}

.navbar__logo span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color var(--transition);
  position: relative;
}

.navbar__links a:hover {
  color: var(--color-white);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition);
}

.navbar__links a:hover::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
  font-family: var(--font-family);
}

.lang-switch:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  font-family: var(--font-family);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-button);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  font-family: var(--font-family);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* 移动端菜单按钮 */
.navbar__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: var(--transition);
}

/* ---------- Hero 区域 ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 120px 24px 80px;
}

/* 背景装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 50%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(108, 99, 255, 0.08) 0%, transparent 40%);
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(1deg); }
  66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

/* 浮动几何装饰 */
.hero__deco {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
}

.hero__deco--1 {
  width: 300px;
  height: 300px;
  background: var(--color-brand);
  top: 10%;
  right: 5%;
  animation: float1 8s ease-in-out infinite;
}

.hero__deco--2 {
  width: 200px;
  height: 200px;
  background: var(--color-accent);
  bottom: 15%;
  left: 8%;
  animation: float2 10s ease-in-out infinite;
}

.hero__deco--3 {
  width: 120px;
  height: 120px;
  background: var(--color-brand);
  top: 40%;
  left: 15%;
  animation: float3 6s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-20px) translateX(15px); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero__title span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.3rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.hero__desc {
  font-size: 1.05rem;
  color: rgba(160, 160, 176, 0.8);
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 板块通用标题 ---------- */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--color-text-muted-dark);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- 核心能力区 ---------- */
.core-section {
  padding: 100px 0;
  background: var(--color-light-bg);
}

.core-section .section-title h2 {
  color: var(--color-text-dark);
}

.core-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.core-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-card-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.core-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.core-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.core-card__icon--purple {
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(108, 99, 255, 0.05));
  color: var(--color-brand);
}

.core-card__icon--teal {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.15), rgba(0, 212, 170, 0.05));
  color: var(--color-accent);
}

.core-card__icon--gradient {
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(0, 212, 170, 0.1));
  color: var(--color-brand);
}

.core-card__icon svg {
  width: 28px;
  height: 28px;
}

.core-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text-dark);
}

.core-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted-dark);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}

.core-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-brand);
  font-size: 0.95rem;
  font-weight: 500;
  transition: gap var(--transition);
}

.core-card__cta:hover {
  gap: 10px;
}

.core-card__cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.core-card__cta:hover svg {
  transform: translateX(4px);
}

/* ---------- 产品详情区 ---------- */
.products-section {
  padding: 100px 0;
  background: var(--color-white);
}

.products-section .section-title h2 {
  color: var(--color-text-dark);
}

.product-block {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 80px;
}

.product-block:last-child {
  margin-bottom: 0;
}

.product-block:nth-child(even) {
  flex-direction: row-reverse;
}

.product-block__visual {
  flex: 1;
  min-height: 360px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-block__visual--1 {
  background: linear-gradient(135deg, #e8e4ff 0%, #d4f5ef 100%);
}

.product-block__visual--2 {
  background: linear-gradient(135deg, #fff4e0 0%, #ffe4e8 100%);
}

.product-block__visual--3 {
  background: linear-gradient(135deg, #e0f0ff 0%, #e8e4ff 100%);
}

.product-block__visual svg {
  width: 180px;
  height: 180px;
  opacity: 0.6;
}

.product-block__info {
  flex: 1;
}

.product-block__info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.product-block__info .subtitle {
  font-size: 1.05rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  margin-bottom: 16px;
}

.product-block__info .desc {
  font-size: 1rem;
  color: var(--color-text-muted-dark);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-block__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-block__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--color-text-dark);
}

.product-block__feature svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ---------- 一站式流程区 ---------- */
.flow-section {
  padding: 100px 0;
  background: var(--color-light-bg);
}

.flow-section .section-title h2 {
  color: var(--color-text-dark);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 48px;
}

/* 连接线 */
.flow-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  z-index: 0;
}

.flow-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.flow-step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: var(--color-white);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.3);
}

.flow-step h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 0.9rem;
  color: var(--color-text-muted-dark);
  max-width: 220px;
  margin: 0 auto;
}

.flow-note {
  text-align: center;
  padding: 24px 32px;
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.06), rgba(0, 212, 170, 0.06));
  border-radius: var(--radius);
  border: 1px solid rgba(108, 99, 255, 0.1);
  color: var(--color-text-dark);
  font-size: 1.05rem;
  font-weight: 500;
}

/* ---------- 愿景 CTA 区 ---------- */
.vision-section {
  padding: 120px 0;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.vision-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 50%, rgba(108, 99, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 50%);
}

.vision__content {
  position: relative;
  z-index: 2;
}

.vision__content h2 {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.vision__content p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

/* ---------- 定价方案区 ---------- */
.pricing-section {
  padding: 100px 0;
  background: var(--color-white);
}

.pricing-section .section-title h2 {
  color: var(--color-text-dark);
}

/* Tab 切换器 */
.pricing-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 56px;
  background: var(--color-light-bg);
  border-radius: 999px;
  padding: 6px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--color-card-border);
}

.pricing-tab {
  padding: 10px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted-dark);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
  font-family: var(--font-family);
  white-space: nowrap;
}

.pricing-tab.active {
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
}

/* 方案卡片容器 */
.pricing-plans {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-plans.active {
  display: grid;
}

/* 企业版 3 列、居中收窄 */
.pricing-plans--enterprise {
  grid-template-columns: repeat(3, 1fr);
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

/* 单张方案卡 */
.plan-card {
  position: relative;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(108, 99, 255, 0.3);
}

.plan-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 14px;
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}

.plan-card__amount {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.plan-card__period {
  font-size: 0.95rem;
  color: var(--color-text-muted-dark);
}

.plan-card__tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted-dark);
  min-height: 40px;
  margin-bottom: 24px;
}

.plan-card__cta {
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  font-family: var(--font-family);
  background: var(--gradient-brand);
  color: var(--color-white);
  margin-bottom: 28px;
}

.plan-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-button);
}

.plan-card__cta--ghost {
  background: transparent;
  color: var(--color-brand);
  border: 1px solid rgba(108, 99, 255, 0.35);
}

.plan-card__cta--ghost:hover {
  background: rgba(108, 99, 255, 0.08);
  box-shadow: none;
}

/* 功能列表（勾选用 CSS mask 着色） */
.plan-card__features {
  margin-top: auto;
}

.plan-card__features li {
  position: relative;
  padding-left: 28px;
  font-size: 0.9rem;
  color: var(--color-text-dark);
  line-height: 1.5;
  margin-bottom: 12px;
}

.plan-card__features li:last-child {
  margin-bottom: 0;
}

.plan-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2l-3.5-3.5-1.4 1.4L9 19 20 8l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2l-3.5-3.5-1.4 1.4L9 19 20 8l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 推荐卡：放大 + 顶部高亮条 + 徽章 */
.plan-card--popular {
  transform: scale(1.03);
  z-index: 2;
  border-color: transparent;
  box-shadow: 0 8px 40px rgba(108, 99, 255, 0.18);
}

.plan-card--popular::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.plan-card--popular:hover {
  transform: scale(1.03) translateY(-6px);
}

.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: var(--shadow-button);
}

/* 积分消耗参考表 */
.pricing-credits {
  margin-top: 88px;
  text-align: center;
}

.pricing-credits h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 10px;
}

.pricing-credits > p {
  font-size: 0.98rem;
  color: var(--color-text-muted-dark);
  margin-bottom: 36px;
}

.credits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  text-align: left;
}

.credits-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--color-light-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.credits-item:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-2px);
}

.credits-item__name {
  font-size: 0.9rem;
  color: var(--color-text-dark);
}

.credits-item__cost {
  flex-shrink: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-brand);
  background: rgba(108, 99, 255, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.credits-item__cost--free {
  background: var(--gradient-brand);
  color: var(--color-white);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  padding: 64px 0 32px;
  color: var(--color-text-muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer__brand span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer__brand svg {
  width: 28px;
  height: 28px;
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.footer h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

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

.footer ul li a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer ul li a:hover {
  color: var(--color-white);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-brand);
}

.footer__divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(160, 160, 176, 0.6);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 2.8rem;
  }

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

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

  .pricing-plans--enterprise {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-block {
    gap: 40px;
  }

  .product-block__visual {
    min-height: 280px;
  }

  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 2.2rem;
  }

  .hero__subtitle {
    font-size: 1.1rem;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .core-cards {
    grid-template-columns: 1fr;
  }

  .product-block,
  .product-block:nth-child(even) {
    flex-direction: column;
    gap: 32px;
  }

  .product-block__visual {
    min-height: 220px;
    width: 100%;
  }

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

  .flow-steps::before {
    display: none;
  }

  /* 定价方案：单列，取消推荐卡放大 */
  .pricing-plans,
  .pricing-plans--enterprise {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .plan-card--popular {
    transform: none;
  }

  .plan-card--popular:hover {
    transform: translateY(-6px);
  }

  .vision__content h2 {
    font-size: 2rem;
  }

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

  /* 移动端导航 */
  .navbar__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 26, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
  }

  .navbar__links.active {
    display: flex;
  }

  .navbar__mobile-toggle {
    display: block;
  }

  .navbar__actions .btn-primary {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.8rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

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

  .pricing-tab {
    padding: 9px 20px;
    font-size: 0.88rem;
  }

  .vision__content h2 {
    font-size: 1.6rem;
  }

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