```css
/* ================================================================
   51视频 · 51shipinz.com.cn
   设计系统:「信号」— 暖调模拟广播 × 数字内容流
   主色: 火焰橙红 + 孔雀青绿 + 蜜糖琥珀
   底色: 暖象牙纸感（无任何深色背景）
   ================================================================ */

:root {
  --paper: #F7F3EB;
  --paper-deep: #EFE8DD;
  --card: #FFFFFF;
  --ink: #18262C;
  --ink-body: #44535A;
  --ink-mute: #7C8A90;
  --flame: #E84E1B;
  --flame-deep: #D13C0E;
  --flame-soft: #FDEAE1;
  --teal: #0E8A7C;
  --teal-deep: #0A6B60;
  --teal-soft: #DDF1ED;
  --honey: #E9B45B;
  --honey-soft: #FCEFCB;
  --line: #E5DCCF;
  --line-bold: #D5C9B9;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 4px 20px rgba(24, 38, 44, 0.05);
  --shadow-float: 0 12px 36px rgba(24, 38, 44, 0.08);
  --shadow-lift: 0 20px 48px rgba(24, 38, 44, 0.12);
  --gradient-flame: linear-gradient(135deg, #F0641A 0%, #E84E1B 40%, #D13C0E 100%);
  --gradient-warm: linear-gradient(120deg, #E84E1B, #E9B45B);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--paper);
  color: var(--ink-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--flame);
  color: #fff;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb {
  background: var(--line-bold);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--flame); }

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

a { color: inherit; }

/* ---------- 核心布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--paper-deep);
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(247, 243, 235, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 20px rgba(24, 38, 44, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
  position: relative;
  transition: opacity 0.2s;
}

.logo:hover { opacity: 0.85; }

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
  background: var(--gradient-flame);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 78, 27, 0.35);
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  right: -4px;
  top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--honey);
  border: 2px solid var(--paper);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-body);
  position: relative;
  transition: color 0.25s;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--flame);
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--flame);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  border-radius: 24px;
  color: #fff !important;
  font-weight: 600;
  background: var(--gradient-flame);
  box-shadow: 0 4px 14px rgba(232, 78, 27, 0.28);
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 78, 27, 0.4);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  margin: 0 auto;
  transition: all 0.3s;
}

.menu-toggle:hover { background: var(--line); }

/* ---------- Hero 主视觉 ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  background:
    radial-gradient(var(--line) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(135deg, var(--paper) 0%, var(--paper-deep) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 90px;
  right: 50px;
  width: 180px;
  height: 130px;
  border-top: 3px solid var(--flame);
  border-right: 3px solid var(--flame);
  border-top-right-radius: 20px;
  opacity: 0.5;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 40px;
  left: 30px;
  width: 120px;
  height: 80px;
  border-bottom: 3px solid var(--teal);
  border-left: 3px solid var(--teal);
  border-bottom-left-radius: 20px;
  opacity: 0.4;
  z-index: 1;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 48px;
  width: 100%;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}

.hero-content {
  max-width: 640px;
  flex: 1 1 440px;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px 6px 28px;
  border-radius: 30px;
  background: var(--flame-soft);
  color: var(--flame-deep);
  margin-bottom: 20px;
  position: relative;
}

.hero-eyebrow::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--flame);
  animation: livePulse 1.6s infinite;
}

@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(232, 78, 27, 0.45); }
  70% { box-shadow: 0 0 0 8px rgba(232, 78, 27, 0); }
  100% { box-shadow: 0 0 0 0 rgba(232, 78, 27, 0); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero h1 .text-accent {
  color: var(--flame);
  position: relative;
  display: inline-block;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--honey-soft);
  z-index: -1;
  border-radius: 4px;
}

.hero p {
  font-size: 1.05rem;
  color: var(--ink-body);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

.hero-image {
  flex: 0 1 460px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--line);
  position: relative;
  padding: 10px;
}

.hero-image::before {
  content: '▶';
  position: absolute;
  top: calc(50% - 20px);
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 78, 27, 0.92);
  color: #fff;
  border-radius: 50%;
  font-size: 1.1rem;
  padding-left: 3px;
  z-index: 2;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.6);
  transition: transform 0.3s;
}

.hero-image:hover::before { transform: translate(-50%, -50%) scale(1.08); }

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-flame);
  color: #fff;
  box-shadow: 0 6px 18px rgba(232, 78, 27, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 78, 27, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal-soft);
  border-color: var(--teal-deep);
  transform: translateY(-2px);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--flame);
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 14px;
  background-image:
    linear-gradient(var(--flame), var(--flame)),
    linear-gradient(var(--flame), var(--flame)),
    linear-gradient(var(--flame), var(--flame));
  background-repeat: no-repeat;
  background-size: 4px 5px, 4px 9px, 4px 14px;
  background-position: 0 0, 6px 0, 12px 0;
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 14px;
}

.section-desc {
  max-width: 600px;
  color: var(--ink-body);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: var(--radius);
  padding: 30px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--flame);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, transparent 50%, var(--paper-deep) 50%);
  border-bottom-left-radius: var(--radius-sm);
}

.category-card:nth-child(2) { border-top-color: var(--teal); }
.category-card:nth-child(3) { border-top-color: var(--honey); }
.category-card:nth-child(4) { border-top-color: var(--flame); }

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
  border-color: var(--line-bold);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--flame-soft);
  color: var(--flame);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.category-card:nth-child(2) .card-icon {
  background: var(--teal-soft);
  color: var(--teal);
}

.category-card:nth-child(3) .card-icon {
  background: var(--honey-soft);
  color: var(--honey);
}

.category-card:nth-child(4) .card-icon {
  background: var(--flame-soft);
  color: var(--flame-deep);
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.88rem;
  color: var(--ink-mute);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--flame);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.card-link:hover { gap: 8px; }

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--line);
  position: relative;
  background: var(--card);
  padding: 8px;
}

.feature-image::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 20px;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-warm);
}

.feature-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.02);
}

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.feature-text > p {
  color: var(--ink-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--ink-body);
}

.feature-list li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
}

.stat-item:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--flame);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat-item:nth-child(2) .stat-number { color: var(--teal); }
.stat-item:nth-child(3) .stat-number { color: var(--honey); }
.stat-item:nth-child(4) .stat-number { color: var(--ink); }

.stat-label {
  font-size: 0.82rem;
  color: var(--ink-mute);
  margin-top: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-item::after {
  content: '▶';
  position: absolute;
  top: 78px;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 78, 27, 0.92);
  color: #fff;
  border-radius: 50%;
  font-size: 0.85rem;
  padding-left: 3px;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2;
}

.content-wall-item:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.content-wall-body {
  padding: 20px;
}

.content-wall-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--ink-mute);
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--card);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: var(--line-bold);
  box-shadow: var(--shadow-soft);
}

.faq-item.open {
  border-color: var(--flame);
  box-shadow: 0 4px 16px rgba(232, 78, 27, 0.08);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.98rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--flame);
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--ink-body);
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding: 56px 40px;
  text-align: center;
  border-radius: 20px;
  color: #fff;
  background: var(--gradient-warm);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(232, 78, 27, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 32px solid rgba(255, 255, 255, 0.12);
}

.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent 0 14px,
    rgba(255, 255, 255, 0.04) 14px 28px
  );
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--flame);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  transform: translateY(-2px);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 28px;
  background: var(--paper-deep);
  border-top: 2px solid var(--line);
  color: var(--ink-body);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--ink-mute);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ink);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--flame);
  border-radius: 2px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: var(--ink-body);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  color: var(--flame);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-mute);
  letter-spacing: 0.3px;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: var(--flame);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--ink-body);
  font-size: 0.98rem;
  line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 100px 0 56px;
  }

  .hero .container {
    flex-direction: column;
    gap: 32px;
  }

  .hero-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 480px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    font-size: 0.98rem;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--paper);
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-float);
    align-items: flex-start;
  }

  .main-nav.open a {
    padding: 10px 0;
    font-size: 1rem;
  }

  .nav-cta {
    margin-top: 8px;
    align-self: center;
    width: 100%;
    text-align: center;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: 24px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero::before {
    right: 16px;
    width: 100px;
    height: 70px;
  }

  .hero::after {
    left: 16px;
    width: 80px;
    height: 54px;
  }
}