/* ========================================
   瑞银信手刷MPOS - 深暖灰精免风样式表
   ======================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

/* ========================================
   CSS 变量
   ======================================== */
:root {
  /* 主色系 - 深暖灰 */
  --rs-stone: #292524;
  --rs-stone-light: #44403C;
  --rs-stone-dark: #1C1917;
  
  /* 精准定位 - 精青 */
  --locate-cyan: #06B6D4;
  --locate-cyan-light: #22D3EE;
  --locate-cyan-dark: #0891B2;
  
  /* 免费办理 - 免绿 */
  --free-green: #10B981;
  --free-green-light: #34D399;
  --free-green-dark: #059669;
  
  /* 背景色 */
  --bg-page: #F5F5F4;
  --bg-white: #FFFFFF;
  --bg-stone-light: #E7E5E4;
  
  /* 文字色 */
  --text-dark: #1C1917;
  --text-body: #334155;
  --text-light: #78716C;
  --text-white: #FFFFFF;
  
  /* 间距 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* 圆角 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* 容器宽度 */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* ========================================
   基础重置
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ========================================
   容器
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-white);
  transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(41, 37, 36, 0.1);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--rs-stone);
}

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

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  position: relative;
  font-weight: 500;
  color: var(--text-body);
  transition: color var(--transition-fast);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--locate-cyan);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--locate-cyan);
  transition: width var(--transition-fast);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  background: linear-gradient(135deg, var(--locate-cyan), var(--locate-cyan-dark));
  color: var(--text-white);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

/* 汉堡菜单按钮 */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--rs-stone);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* 移动端菜单 */
.navbar__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-white);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

.navbar__mobile.active {
  display: block;
}

.navbar__mobile-link {
  display: block;
  padding: var(--space-md) 0;
  font-weight: 500;
  color: var(--text-body);
  border-bottom: 1px solid var(--bg-stone-light);
}

.navbar__mobile-link:hover {
  color: var(--locate-cyan);
}

.navbar__mobile-cta {
  display: block;
  margin-top: var(--space-md);
  text-align: center;
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--rs-stone) 0%, var(--rs-stone-light) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding: 0.5rem 1rem;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 50px;
  color: var(--locate-cyan-light);
  font-size: 0.875rem;
  font-weight: 500;
}

.hero__title {
  margin-bottom: var(--space-lg);
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-white);
}

.hero__title em {
  font-style: normal;
  color: var(--locate-cyan-light);
}

.hero__subtitle {
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.hero__btn--primary {
  background: linear-gradient(135deg, var(--locate-cyan), var(--locate-cyan-dark));
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
}

.hero__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.hero__btn--secondary {
  background: transparent;
  color: var(--text-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero__btn--secondary:hover {
  border-color: var(--text-white);
  background: rgba(255, 255, 255, 0.1);
}

/* Hero 动画 */
.hero__badge {
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ========================================
   通用区块
   ======================================== */
.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background: var(--bg-white);
}

.section__header {
  margin-bottom: var(--space-3xl);
  text-align: center;
}

.section__tag {
  display: inline-block;
  margin-bottom: var(--space-sm);
  padding: 0.375rem 0.875rem;
  background: rgba(6, 182, 212, 0.1);
  color: var(--locate-cyan);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 50px;
}

.section__tag--green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--free-green);
}

.section__tag--stone {
  background: rgba(41, 37, 36, 0.1);
  color: var(--rs-stone);
}

.section__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
}

.section__desc {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   精免板块
   ======================================== */
.jingmian {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.jingmian__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--rs-stone) 0%, var(--rs-stone-light) 100%);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.jingmian__image-placeholder {
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.25rem;
}

.jingmian__content h3 {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-lg);
}

.jingmian__content p {
  font-size: 1.125rem;
  color: var(--text-body);
  line-height: 1.8;
}

.jingmian__highlight {
  color: var(--locate-cyan);
  font-weight: 600;
}

/* ========================================
   精准定位板块
   ======================================== */
.locate-cards {
  display: grid;
  grid-template-columns: 55% 43%;
  gap: var(--space-xl);
}

.locate-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.locate-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.locate-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--locate-cyan);
}

.locate-card__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
}

.locate-card__desc {
  color: var(--text-light);
  margin-bottom: var(--space-lg);
}

.locate-card__number {
  font-family: 'DM Sans', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--locate-cyan);
  line-height: 1;
}

.locate-card__unit {
  font-size: 1rem;
  color: var(--text-light);
  margin-left: 0.25rem;
}

/* ========================================
   免费办理板块
   ======================================== */
.free-section {
  text-align: left;
}

.free-section .section__title {
  text-align: left;
}

.free-section .section__desc {
  text-align: left;
  margin: 0;
}

.free-promises {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.free-promise {
  padding: var(--space-xl);
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.free-promise__icon {
  font-family: 'DM Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--free-green);
  margin-bottom: var(--space-md);
}

.free-promise__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
}

.free-promise__desc {
  color: var(--text-light);
}

.free-highlight {
  color: var(--free-green);
  font-weight: 600;
}

.free-cta {
  margin-top: var(--space-3xl);
}

.free-cta .hero__btn--primary {
  background: linear-gradient(135deg, var(--free-green), var(--free-green-dark));
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.free-cta .hero__btn--primary:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* ========================================
   对比表格
   ======================================== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.compare-table th,
.compare-table td {
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  border-bottom: 1px solid var(--bg-stone-light);
}

.compare-table th {
  background: var(--rs-stone);
  color: var(--text-white);
  font-weight: 600;
  font-size: 1rem;
}

.compare-table th:first-child {
  font-weight: 700;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: var(--bg-page);
}

.compare-table .check {
  color: var(--free-green);
  font-size: 1.25rem;
}

.compare-table .cross {
  color: var(--text-light);
  font-size: 1.25rem;
}

.compare-table .highlight-cell {
  color: var(--locate-cyan);
  font-weight: 600;
}

/* ========================================
   FAQ 手风琴
   ======================================== */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: background var(--transition-fast);
}

.faq__question:hover {
  background: var(--bg-page);
}

.faq__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.faq__icon svg {
  width: 16px;
  height: 16px;
  color: var(--text-light);
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq__item.active .faq__answer {
  max-height: 300px;
}

.faq__answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-body);
  line-height: 1.7;
}

/* ========================================
   底部申请区
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--rs-stone) 0%, var(--rs-stone-light) 100%);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-section__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-lg);
}

.cta-section__subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  margin-bottom: var(--space-2xl);
}

.cta-section__highlight {
  color: var(--free-green);
  font-weight: 600;
}

.cta-section .hero__btn--primary {
  background: linear-gradient(135deg, var(--free-green), var(--free-green-dark));
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.cta-section .hero__btn--primary:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background: linear-gradient(135deg, var(--rs-stone) 0%, var(--rs-stone-light) 100%);
  padding: var(--space-3xl) 0 var(--space-xl);
  color: var(--text-white);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  max-width: 400px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

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

.footer__desc {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer__links h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--locate-cyan);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* ========================================
   页面标题区（内页）
   ======================================== */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
}

.page-hero--cyan {
  background: linear-gradient(135deg, var(--locate-cyan-dark) 0%, var(--locate-cyan) 100%);
}

.page-hero--green {
  background: linear-gradient(135deg, var(--free-green-dark) 0%, var(--free-green) 100%);
}

.page-hero--stone {
  background: linear-gradient(135deg, var(--rs-stone) 0%, var(--rs-stone-light) 100%);
}

.page-hero__tag {
  display: inline-block;
  margin-bottom: var(--space-md);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  color: var(--text-white);
  font-size: 0.875rem;
  font-weight: 500;
}

.page-hero__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-md);
}

.page-hero__desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   精准机制卡片
   ======================================== */
.locate-mechanisms {
  display: grid;
  gap: var(--space-xl);
}

.locate-mechanism {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.locate-mechanism--wide {
  grid-column: span 1;
}

.locate-mechanism--featured {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 2px solid var(--locate-cyan);
}

.locate-mechanism__header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.locate-mechanism__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.locate-mechanism__icon svg {
  width: 32px;
  height: 32px;
  color: var(--locate-cyan);
}

.locate-mechanism__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

.locate-mechanism__desc {
  color: var(--text-body);
  line-height: 1.7;
}

/* ========================================
   免费说明框
   ======================================== */
.free-guide {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--free-green);
}

.free-guide__title {
  font-family: 'DM Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.free-guide__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.free-guide__step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.free-guide__step-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--free-green);
  color: var(--text-white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.free-guide__step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.free-guide__step-content p {
  color: var(--text-light);
  font-size: 0.9375rem;
}

/* ========================================
   品牌对比页
   ======================================== */
.brand-compare {
  width: 100%;
}

.brand-compare th {
  font-size: 1.125rem;
}

.brand-compare th:first-child {
  width: 160px;
}

.brand-compare__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--text-dark);
}

.brand-compare__brand-name {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.125rem;
}

.brand-compare__feature {
  font-weight: 500;
  color: var(--text-dark);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .jingmian {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .jingmian__image {
    order: -1;
  }
  
  .locate-cards {
    grid-template-columns: 1fr;
  }
  
  .locate-card {
    width: 100% !important;
  }
  
  .free-promises {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }
  
  .navbar__nav,
  .navbar__cta {
    display: none;
  }
  
  .navbar__toggle {
    display: flex;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero__actions {
    flex-direction: column;
  }
  
  .hero__btn {
    width: 100%;
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .section__header {
    margin-bottom: var(--space-2xl);
  }
  
  .compare-table th,
  .compare-table td {
    padding: var(--space-md);
    font-size: 0.875rem;
  }
  
  .page-hero {
    padding: 120px 0 60px;
  }
  
  .locate-mechanism__header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero__title {
    font-size: 1.75rem;
  }
  
  .section__title {
    font-size: 1.5rem;
  }
  
  .locate-card__number {
    font-size: 2.5rem;
  }
  
  .free-promise__icon {
    font-size: 2rem;
  }
}

/* ========================================
   辅助类
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-cyan { color: var(--locate-cyan); }
.text-green { color: var(--free-green); }
.text-stone { color: var(--rs-stone); }
.font-bold { font-weight: 700; }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }