/* ===== 设计变量 ===== */
:root {
  --color-primary: #9A6B4F;
  --color-primary-dark: #7C523A;
  --color-secondary: #3E7C6F;
  --color-bg: #F7F3EC;
  --color-surface: #FFFFFF;
  --color-text: #2B2B28;
  --color-text-secondary: #6B6358;
  --color-line: #E7DFD3;
  --color-cta: #C05B3C;
  --color-cta-hover: #A4472D;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 6px 24px rgba(58, 42, 30, 0.07);
  --shadow-float: 0 12px 40px rgba(58, 42, 30, 0.10);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  --container: 1200px;
  --container-narrow: 820px;
  --space-section: 96px;
  --space-section-mobile: 64px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }
:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; }

/* ===== 容器 ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 24px; }

/* ===== 通用 Section ===== */
.section { padding: var(--space-section) 0; }
.section-header { margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-secondary);
  letter-spacing: 0.08em;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  position: relative;
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.section-title::after {
  content: '';
  align-self: flex-start;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}
.section-desc { font-size: 1rem; color: var(--color-text-secondary); max-width: 720px; margin-top: 12px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 12px 32px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}
.btn-primary { background: var(--color-cta); color: #fff; }
.btn-primary:hover { background: var(--color-cta-hover); transform: translateX(2px); color: #fff; }
.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: rgba(154, 107, 79, 0.10); color: var(--color-primary-dark); }
.btn-light { background: #fff; color: var(--color-primary); }
.btn-light:hover { background: var(--color-bg); color: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.8); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 40px; font-size: 1rem; }

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(62, 124, 111, 0.10);
  color: var(--color-secondary);
}

/* ===== 顶部导航 ===== */
.nav-toggle { display: none; }
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 24px rgba(58, 42, 30, 0.06);
  border-bottom-color: var(--color-line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  background-image: url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
  border: 2px solid var(--color-primary);
  flex-shrink: 0;
}
.logo-text { font-size: 1.125rem; font-weight: 800; color: var(--color-text); white-space: nowrap; }
.logo-text .text-primary { color: var(--color-primary); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 14px;
  border-radius: 999px;
  transition: all 0.25s ease;
}
.nav-link:hover { color: var(--color-primary); background: rgba(154, 107, 79, 0.08); }
.nav-link.active { color: var(--color-primary); font-weight: 600; background: rgba(154, 107, 79, 0.10); }
.nav-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.lang-switch {
  display: flex;
  align-items: center;
  background: #F0ECE4;
  border-radius: 999px;
  padding: 4px;
  height: 32px;
  width: 96px;
}
.lang-btn {
  flex: 1;
  height: 24px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all 0.25s ease;
  line-height: 24px;
  text-align: center;
}
.lang-btn.active { background: var(--color-primary); color: #fff; }
.lang-btn:not(.active):hover { color: var(--color-primary); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(247,243,236,0.10) 0%, rgba(247,243,236,0.45) 40%, rgba(247,243,236,0.95) 100%),
    url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat var(--color-bg);
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-tag-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(255,255,255,0.75);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
}
.hero-tag-meta { font-size: 0.8125rem; color: var(--color-text-secondary); }
.hero-tag-divider { width: 1px; height: 16px; background: var(--color-line); }
.hero h1 {
  font-size: clamp(1.875rem, 4.8vw, 3.1rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--color-text);
}
.hero h1 .h1-line { display: block; }
.hero h1 .h1-line-strong { color: var(--color-primary-dark); }
.hero-sub {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.hero-card-img-wrap { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.hero-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-card-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--color-cta);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.hero-card-body { padding: 20px 22px 22px; }
.hero-card-body h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 6px; }
.hero-card-body p { font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: 12px; }
.hero-card-meta { display: flex; gap: 16px; font-size: 0.8125rem; color: var(--color-text-secondary); border-top: 1px solid var(--color-line); padding-top: 12px; }
.hero-scroll-dot { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: var(--color-text-secondary); font-size: 1.5rem; animation: bounce 2s infinite; opacity: 0.6; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ===== 痛点区 ===== */
.pain-section { background: var(--color-bg); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.pain-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(154, 107, 79, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.pain-icon svg { width: 24px; height: 24px; }
.pain-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
.pain-card p { font-size: 0.9375rem; color: var(--color-text-secondary); line-height: 1.75; }

/* ===== 解决方案区 ===== */
.solutions-section { background: var(--color-surface); }
.solution-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.solution-item:last-child { margin-bottom: 0; }
.solution-item.reversed { grid-template-columns: 1fr 1fr; direction: rtl; }
.solution-item.reversed > * { direction: ltr; }
.solution-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.solution-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform 0.4s ease; }
.solution-img:hover img { transform: scale(1.03); }
.solution-body { padding: 8px 0; }
.solution-num {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.solution-body h3 { font-size: 1.375rem; font-weight: 700; margin-bottom: 10px; color: var(--color-text); }
.solution-body p { font-size: 0.9375rem; color: var(--color-text-secondary); line-height: 1.75; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.solution-tags .badge { background: rgba(62, 124, 111, 0.08); color: var(--color-secondary); }

/* ===== 成果数据区 ===== */
.stats-section {
  background: rgba(62, 124, 111, 0.07);
  border-top: 1px solid rgba(62, 124, 111, 0.10);
  border-bottom: 1px solid rgba(62, 124, 111, 0.10);
  padding: 72px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-secondary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-unit { font-size: 1rem; font-weight: 600; color: var(--color-text-secondary); margin-left: 2px; }
.stat-label { font-size: 0.875rem; color: var(--color-text-secondary); margin-top: 8px; }
.stat-divider { width: 100%; height: 1px; background: rgba(62, 124, 111, 0.15); margin: 56px auto 16px; }
.stats-note { text-align: center; font-size: 0.8125rem; color: var(--color-text-secondary); }

/* ===== 客户证言区 ===== */
.testimonials-section { background: var(--color-bg); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.testimonial-card.featured { border: 2px solid var(--color-secondary); }
.testimonial-featured-badge {
  position: absolute;
  top: -10px; right: 16px;
  background: var(--color-secondary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}
.testimonial-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-name { font-size: 0.9375rem; font-weight: 600; }
.testimonial-date { font-size: 0.75rem; color: var(--color-text-secondary); display: block; line-height: 1.4; }
.testimonial-stars { font-size: 0.875rem; color: var(--color-secondary); margin-bottom: 10px; letter-spacing: 2px; }
.testimonial-text { font-size: 0.9375rem; color: var(--color-text); line-height: 1.75; margin-bottom: 12px; }
.testimonial-source { font-size: 0.75rem; color: var(--color-text-secondary); border-top: 1px solid var(--color-line); padding-top: 10px; }

/* ===== CTA 区 ===== */
.cta-section {
  background:
    linear-gradient(rgba(154, 107, 79, 0.90), rgba(124, 82, 58, 0.95)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color: #fff;
  padding: 96px 0;
  text-align: center;
}
.cta-content { max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.cta-content p { font-size: 1rem; color: rgba(255,255,255,0.9); line-height: 1.75; margin-bottom: 32px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cta-note { font-size: 0.8125rem; color: rgba(255,255,255,0.7); margin-top: 24px; }

/* ===== FAQ 区 ===== */
.faq-section { background: var(--color-surface); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item:first-child { border-top: 1px solid var(--color-line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 8px;
  cursor: pointer;
  list-style: none;
  transition: background 0.25s ease;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(154, 107, 79, 0.04); }
.faq-q-wrap { display: flex; align-items: center; gap: 12px; }
.faq-q-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(62, 124, 111, 0.10);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-line);
  position: relative;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-text-secondary);
  border-radius: 1px;
  transition: all 0.3s ease;
}
.faq-icon::before { width: 12px; height: 2px; top: 11px; left: 6px; }
.faq-icon::after { width: 2px; height: 12px; top: 6px; left: 11px; }
.faq-item[open] .faq-icon { transform: rotate(45deg); border-color: var(--color-primary); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: var(--color-primary); }
.faq-answer { padding: 0 8px 22px 48px; font-size: 0.9375rem; color: var(--color-text-secondary); line-height: 1.75; }

/* ===== 资讯区 ===== */
.news-section { background: var(--color-bg); }
.news-layout { display: grid; grid-template-columns: 1fr 0.8fr; gap: 48px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
  transition: background 0.25s ease;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(154, 107, 79, 0.03); }
.news-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(154, 107, 79, 0.10);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
.news-item-title { font-size: 0.9375rem; font-weight: 600; color: var(--color-text); transition: color 0.25s ease; }
.news-item:hover .news-item-title { color: var(--color-primary); }
.news-meta { display: flex; gap: 16px; font-size: 0.75rem; color: var(--color-text-secondary); margin-top: 4px; }
.news-side { position: sticky; top: 96px; }
.news-side-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.news-side-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--color-line); }
.news-side-card ul { display: flex; flex-direction: column; gap: 10px; }
.news-side-card li a { font-size: 0.875rem; color: var(--color-text-secondary); display: flex; align-items: center; gap: 8px; }
.news-side-card li a::before { content: '›'; color: var(--color-primary); font-weight: 700; }
.news-side-card li a:hover { color: var(--color-primary); }
.news-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.news-tags a {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  transition: all 0.25s ease;
}
.news-tags a:hover { color: var(--color-primary); border-color: var(--color-primary); background: rgba(154, 107, 79, 0.06); }

/* ===== 页脚 ===== */
.site-footer { background: #F1EBE0; border-top: 1px solid var(--color-line); }
.footer-top { padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 48px; }
.footer-brand { margin-bottom: 16px; }
.footer-brand .logo-text { font-size: 1.0625rem; }
.footer-desc { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.75; max-width: 320px; }
.footer-col h4 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 18px; color: var(--color-text); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.875rem; color: var(--color-text-secondary); transition: all 0.25s ease; }
.footer-col ul a:hover { color: var(--color-primary); padding-left: 4px; }
.footer-bottom {
  background: rgba(0,0,0,0.04);
  padding: 16px 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
@media (max-width: 767px) {
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

/* ===== 响应式：平板 768-1023 ===== */
@media (max-width: 1023px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 32px;
    gap: 4px;
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: var(--shadow-float);
    z-index: 999;
  }
  .nav-toggle:checked ~ .site-header .main-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav .nav-link { width: 100%; font-size: 1.0625rem; padding: 12px 16px; }
  .main-nav .nav-right { width: 100%; margin-top: 16px; flex-wrap: wrap; gap: 12px; }
  .main-nav .lang-switch { order: 0; }
  .main-nav .nav-cta { order: 1; width: 100%; }

  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-card { max-width: 520px; }

  .solution-item, .solution-item.reversed { grid-template-columns: 1fr; gap: 24px; direction: ltr; }
  .solution-img img { aspect-ratio: 16/9; }

  .news-layout { grid-template-columns: 1fr; gap: 32px; }
  .news-side { position: static; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-col:first-child { grid-column: 1 / -1; }
}

/* ===== 响应式：移动 ≤767 ===== */
@media (max-width: 767px) {
  :root { --space-section: var(--space-section-mobile); }
  .site-header { height: 60px; }
  .nav-wrap { height: 60px; padding: 0 16px; }
  .main-nav { top: 60px; }
  .logo-text { font-size: 1rem; }
  .lang-switch { display: none; }
  .hero { padding: 100px 0 64px; }
  .hero h1 { font-size: 1.75rem; line-height: 1.3; }
  .hero-sub { font-size: 1rem; }
  .hero-btns .btn { width: 100%; }
  .hero-badges { flex-direction: column; gap: 8px; align-items: flex-start; }

  .pain-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 64px 0; }
  .cta-btns .btn { width: 100%; }
  .news-item { flex-direction: column; gap: 8px; align-items: flex-start; }
  .news-meta { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: var(--space-section-mobile) 0; }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}