/* ============================================
   深圳紫炎慧核人工智能有限公司 官网样式
   明亮大气 · 紫蓝渐变主题
   ============================================ */

:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #c4b5fd;
  --accent: #d946ef;
  --grad-main: linear-gradient(135deg, #17141f 0%, #2e1065 38%, #5b21b6 62%, #7c3aed 82%, #c026d3 100%);
  --grad-soft: linear-gradient(135deg, #f7f5fb 0%, #faf7fd 55%, #fdf4ff 100%);
  --bg-soft: #f8f6fc;
  --bg-footer: #171222;
  --text-main: #1f2937;
  --text-sub: #6b7280;
  --text-light: #efeafa;
  --text-dim: #aea6c8;
  --border-soft: #e8e2f4;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: #ffffff;
  line-height: 1.6;
}

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

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

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

/* ============ 导航栏（白色玻璃） ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.12);
  box-shadow: 0 2px 16px rgba(91, 33, 182, 0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo svg {
  width: 36px;
  height: 36px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .cn {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
}

.logo-text .en {
  font-size: 10px;
  color: var(--text-sub);
  letter-spacing: 0.5px;
}

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

.nav-links a {
  color: #374151;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(124, 58, 237, 0.08);
}

.nav-cta {
  background: var(--grad-main);
  color: #fff !important;
  padding: 9px 22px !important;
  border-radius: 999px !important;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
  transition: opacity 0.2s, transform 0.2s;
}

.nav-cta:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  background: var(--grad-main) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  margin: 5px 0;
  transition: 0.3s;
}

/* ============ Hero（明亮紫蓝渐变） ============ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--grad-main);
  overflow: hidden;
  padding: 140px 0 100px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(255, 255, 255, 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(217, 70, 239, 0.28) 0%, transparent 55%),
    radial-gradient(rgba(255, 255, 255, 0.10) 1px, transparent 1px);
  background-size: auto, auto, 36px 36px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 26px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
}

.hero h1 {
  font-size: 54px;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.hero h1 .gradient {
  background: linear-gradient(90deg, #d8b4fe, #f0abfc, #e9d5ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 38px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.45);
}

/* Hero 内主按钮改为白色，更通透 */
.hero .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 10px 30px rgba(30, 20, 90, 0.25);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* Hero 装饰球 */
.hero-orb {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: 560px;
  height: 560px;
  pointer-events: none;
  opacity: 0.95;
}

/* ============ 数据统计（白色清爽带） ============ */
.stats {
  background: #fff;
  padding: 64px 0;
  border-bottom: 1px solid var(--border-soft);
}

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

.stat-item .num {
  font-size: 46px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item .num .unit {
  font-size: 22px;
}

.stat-item .label {
  color: var(--text-sub);
  font-size: 14px;
  margin-top: 6px;
}

/* ============ 通用 Section ============ */
.section {
  padding: 96px 0;
}

/* 原暗色区块 → 柔和浅紫渐变，整体更轻盈 */
.section-dark {
  background: var(--grad-soft);
}

.section-gray {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  margin-bottom: 64px;
}

.section-head .eyebrow {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-main);
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 660px;
  margin: 0 auto;
}

/* ============ 核心能力卡片 ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 38px 30px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(124, 58, 237, 0.14);
}

.card .icon {
  width: 68px;
  height: 68px;
  border-radius: 19px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(124, 58, 237, 0.32);
}

.card .icon svg {
  width: 34px;
  height: 34px;
  stroke: #fff;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-sub);
  font-size: 14.5px;
}

/* ============ 产品矩阵（白卡 + 渐变描边感） ============ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

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

.product-card {
  position: relative;
  border-radius: 20px;
  padding: 42px 34px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-soft);
  box-shadow: 0 6px 24px rgba(91, 33, 182, 0.06);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity 0.25s;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.35);
  box-shadow: 0 20px 48px rgba(124, 58, 237, 0.16);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card .product-visual {
  height: 168px;
  border-radius: 14px;
  margin-bottom: 26px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card .product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 82% 12%, rgba(255, 255, 255, 0.22) 0%, transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: auto, 22px 22px;
}

.product-card .product-visual svg {
  width: 88px;
  height: 88px;
  stroke: #fff;
  position: relative;
  filter: drop-shadow(0 6px 14px rgba(25, 8, 50, 0.35));
  transition: transform 0.3s;
}

.product-card:hover .product-visual svg {
  transform: scale(1.1);
}

.product-card .tag {
  display: inline-block;
  font-size: 12.5px;
  color: var(--primary-dark);
  background: rgba(124, 58, 237, 0.09);
  border: 1px solid rgba(124, 58, 237, 0.18);
  padding: 4px 13px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-weight: 600;
}

.product-card h3 {
  color: var(--text-main);
  font-size: 23px;
  margin-bottom: 14px;
}

.product-card p {
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 22px;
}

.product-card .features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-card .features li {
  font-size: 13px;
  color: var(--primary-dark);
  background: #f3edfc;
  padding: 5px 14px;
  border-radius: 999px;
}

/* ============ 健康功能板块 ============ */
.health-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.health-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 28px 26px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.health-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(124, 58, 237, 0.14);
}

.health-item .hi-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.2);
}

.health-item .hi-icon svg {
  width: 32px;
  height: 32px;
  stroke: #fff;
}

.health-item h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

.health-item p {
  font-size: 13.5px;
  color: var(--text-sub);
}

/* 每个健康功能一个渐变色 */
.hi-red    { background: linear-gradient(135deg, #f43f5e, #fb7185); }
.hi-blue   { background: linear-gradient(135deg, #0d9488, #5eead4); }
.hi-indigo { background: linear-gradient(135deg, #6d28d9, #a78bfa); }
.hi-teal   { background: linear-gradient(135deg, #059669, #6ee7b7); }
.hi-orange { background: linear-gradient(135deg, #f97316, #fb923c); }
.hi-violet { background: linear-gradient(135deg, #c026d3, #f0abfc); }

/* ============ 服务流程 ============ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 30px 16px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(124, 58, 237, 0.12);
}

.process-step .step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.process-step h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--text-sub);
}

/* ============ 应用场景（大气渐变徽章卡） ============ */
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.scene-card {
  padding: 36px 24px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border-soft);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.scene-card::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.10), transparent 70%);
  pointer-events: none;
}

.scene-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(124, 58, 237, 0.16);
}

.scene-card .icon-badge {
  width: 86px;
  height: 86px;
  border-radius: 26px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(124, 58, 237, 0.25);
  transition: transform 0.25s;
}

.scene-card:hover .icon-badge {
  transform: scale(1.08) rotate(-3deg);
}

.scene-card .icon-badge svg {
  width: 44px;
  height: 44px;
  stroke: #fff;
}

.scene-card h4 {
  color: var(--text-main);
  font-size: 17px;
  margin-bottom: 8px;
}

.scene-card p {
  color: var(--text-sub);
  font-size: 13px;
}

/* 场景徽章渐变色板（商务 + 科技紫色调） */
.sb-1 { background: linear-gradient(135deg, #dc2626, #f87171); }
.sb-2 { background: linear-gradient(135deg, #d97706, #fbbf24); }
.sb-3 { background: linear-gradient(135deg, #059669, #34d399); }
.sb-4 { background: linear-gradient(135deg, #0f766e, #2dd4bf); }
.sb-5 { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.sb-6 { background: linear-gradient(135deg, #a21caf, #e879f9); }
.sb-7 { background: linear-gradient(135deg, #6d28d9, #8b5cf6); }
.sb-8 { background: linear-gradient(135deg, #44403c, #78716c); }

/* ============ CTA 区块 ============ */
.cta-banner {
  background: var(--grad-main);
  border-radius: 26px;
  padding: 76px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(124, 58, 237, 0.3);
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 85% 15%, rgba(255, 255, 255, 0.18) 0%, transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: auto, 26px 26px;
}

.cta-banner h2 {
  color: #fff;
  font-size: 32px;
  margin-bottom: 14px;
  position: relative;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn {
  background: #fff;
  color: var(--primary-dark);
  position: relative;
}

/* ============ 页面头部 Banner（内页） ============ */
.page-banner {
  background: var(--grad-main);
  position: relative;
  overflow: hidden;
  padding: 165px 0 85px;
  text-align: center;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 55% at 80% 10%, rgba(255, 255, 255, 0.2) 0%, transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: auto, 32px 32px;
}

.page-banner h1 {
  color: #fff;
  font-size: 42px;
  margin-bottom: 14px;
  position: relative;
}

.page-banner p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 17px;
  max-width: 660px;
  margin: 0 auto;
  position: relative;
}

/* ============ 关于我们 ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-sub);
  margin-bottom: 16px;
  font-size: 15.5px;
}

.about-visual {
  border-radius: 22px;
  overflow: hidden;
  background: var(--grad-main);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 56px rgba(124, 58, 237, 0.25);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.value-item {
  text-align: center;
  padding: 30px 18px;
  border-radius: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
}

.value-item .vi-icon {
  width: 66px;
  height: 66px;
  border-radius: 20px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 8px 22px rgba(124, 58, 237, 0.28);
}

.value-item .vi-icon svg {
  width: 32px;
  height: 32px;
  stroke: #fff;
}

.value-item h4 {
  font-size: 17px;
  margin: 12px 0 8px;
  color: var(--primary-dark);
}

.value-item p {
  font-size: 13.5px;
  color: var(--text-sub);
}

/* ============ 新闻列表 ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.14);
}

.news-card .news-img {
  height: 180px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.news-card .news-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 85% 10%, rgba(255, 255, 255, 0.22) 0%, transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: auto, 22px 22px;
}

.news-card .news-img svg {
  width: 72px;
  height: 72px;
  stroke: #fff;
  position: relative;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.15));
}

.news-card .news-body {
  padding: 24px;
}

.news-card .date {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
}

.news-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-card p {
  font-size: 14px;
  color: var(--text-sub);
}

/* ============ 联系我们 ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info h2 {
  font-size: 30px;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
  align-items: flex-start;
}

.contact-item .ci-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.25);
}

.contact-item .ci-icon svg {
  width: 26px;
  height: 26px;
  stroke: #fff;
}

.contact-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--text-sub);
  font-size: 14.5px;
}

.contact-form {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 40px;
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e0d6f2;
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-tip {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 14px;
}

/* ============ 页脚（柔和深紫，低压抑感） ============ */
.footer {
  background: linear-gradient(180deg, var(--bg-footer) 0%, #100b1a 100%);
  color: var(--text-dim);
  padding: 72px 0 0;
}

.footer .logo-text .cn {
  color: #fff;
}

.footer .logo-text .en {
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo-text .cn {
  font-size: 17px;
}

.footer-brand p {
  font-size: 14px;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.8;
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-dim);
  transition: color 0.2s;
}

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

.footer-contact li {
  margin-bottom: 12px;
  font-size: 14px;
  list-style: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #9a8fb8;
}

.footer-bottom p {
  margin: 4px 0;
}

.footer-bottom a.beian {
  color: #b7a9d9;
  transition: color 0.2s;
}

.footer-bottom a.beian:hover {
  color: #fff;
  text-decoration: underline;
}

/* ============ 动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .hero-orb { display: none; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .scenes-grid { grid-template-columns: repeat(2, 1fr); }
  .health-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    display: none;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 16px 32px rgba(91, 33, 182, 0.1);
  }

  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; text-align: center; padding: 14px; }
  .nav-toggle { display: block; }

  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
  .cards-grid,
  .products-grid,
  .products-grid.cols-3,
  .news-grid,
  .health-grid,
  .scenes-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-banner h1 { font-size: 30px; }
  .cta-banner { padding: 48px 24px; }
}