@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg-paper: #f5f0e8;
  --ink-black: #0a0a0a;
  --electric-blue: #2563eb;
  --warning-red: #ef4444;
  --card-white: #ffffff;
  --accent-yellow: #facc15;
  --accent-green: #10b981;
  --border-thick: 3px solid #0a0a0a;
  --shadow-hard: 8px 8px 0 #0a0a0a;
  --shadow-hover: 4px 4px 0 #0a0a0a;
  --shadow-sm: 5px 5px 0 #0a0a0a;
  --font-heading: 'Archivo Black', 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', 'PingFang SC', 'Microsoft YaHei', monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-paper);
  color: var(--ink-black);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.65;
}

body {
  background-color: var(--bg-paper);
  background-image: radial-gradient(#0a0a0a 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink-black);
  overflow-x: hidden;
}

a {
  color: var(--ink-black);
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

/* 顶部跑马灯 */
.marquee-bar {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  border-bottom: var(--border-thick);
  overflow: hidden;
  white-space: nowrap;
  padding: 10px 0;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  position: relative;
  z-index: 100;
}

.marquee-track {
  display: inline-block;
  white-space: nowrap;
  animation: marquee-scroll 26s linear infinite;
}

.marquee-track span {
  display: inline-block;
  padding-right: 48px;
}

.marquee-highlight {
  background-color: var(--warning-red);
  color: #ffffff;
  padding: 2px 8px;
  margin: 0 6px;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 页眉导航 */
.site-header {
  background-color: var(--bg-paper);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  padding: 8px 16px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.brand-logo-wrap:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 #0a0a0a;
}

.brand-eagle-icon {
  width: 38px;
  height: 38px;
  border: 2px solid #0a0a0a;
  background-color: var(--electric-blue);
  padding: 4px;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--ink-black);
}

@keyframes eagle-shake {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  15% { transform: translate(-6px, -4px) rotate(-8deg); }
  30% { transform: translate(6px, 3px) rotate(8deg); }
  45% { transform: translate(-6px, 4px) rotate(-6deg); }
  60% { transform: translate(5px, -3px) rotate(6deg); }
  75% { transform: translate(-4px, 2px) rotate(-4deg); }
  90% { transform: translate(3px, -2px) rotate(3deg); }
}

.shake-active {
  animation: eagle-shake 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
  background-color: var(--warning-red) !important;
  color: #ffffff !important;
}

.shake-active .brand-name {
  color: #ffffff !important;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-links a {
  font-weight: 700;
  font-size: 0.98rem;
  padding: 8px 14px;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}

.nav-links a:hover,
.nav-links a.nav-active {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  border: 2px solid var(--ink-black);
}

.nav-links a.nav-news-badge {
  background-color: var(--accent-yellow);
  border: 2px solid var(--ink-black);
  box-shadow: 3px 3px 0 #0a0a0a;
  color: var(--ink-black);
}

.nav-links a.nav-news-badge:hover {
  background-color: var(--electric-blue);
  color: #ffffff;
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 #0a0a0a;
}

/* 按钮通用粗野主义样式 */
.brutal-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  padding: 14px 28px;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  letter-spacing: 1px;
}

.brutal-btn-primary {
  background-color: var(--warning-red);
  color: #ffffff;
}

.brutal-btn-primary:hover {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hover);
}

.brutal-btn-blue {
  background-color: var(--electric-blue);
  color: #ffffff;
}

.brutal-btn-blue:hover {
  background-color: var(--ink-black);
  color: #ffffff;
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hover);
}

.brutal-btn-paper {
  background-color: #ffffff;
  color: var(--ink-black);
}

.brutal-btn-paper:hover {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hover);
}

.brutal-btn-sm {
  padding: 10px 20px;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.brutal-btn-sm:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 #0a0a0a;
}

/* 容器与通用布局 */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-block {
  padding: 80px 0;
  border-bottom: var(--border-thick);
}

.section-header {
  margin-bottom: 52px;
}

.section-tag {
  display: inline-block;
  background-color: var(--ink-black);
  color: var(--bg-paper);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 14px;
  margin-bottom: 16px;
  border: 2px solid var(--ink-black);
  box-shadow: 4px 4px 0 var(--electric-blue);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  line-height: 1.2;
  font-weight: 900;
  color: var(--ink-black);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  max-width: 780px;
  background-color: #ffffff;
  border: var(--border-thick);
  padding: 14px 20px;
  box-shadow: var(--shadow-sm);
}

/* 首屏 Hero 区域 */
.hero-section {
  padding: 76px 0 88px;
  border-bottom: var(--border-thick);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: var(--warning-red);
  color: #ffffff;
  font-weight: 700;
  padding: 8px 18px;
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
  font-size: 0.95rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.7rem;
  line-height: 1.18;
  font-weight: 900;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.hero-highlight-blue {
  display: inline-block;
  background-color: var(--electric-blue);
  color: #ffffff;
  padding: 4px 18px;
  border: var(--border-thick);
  box-shadow: 6px 6px 0 #0a0a0a;
  margin: 6px 4px;
  transform: rotate(-1.2deg);
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 20px;
  background-color: var(--accent-yellow);
  border: var(--border-thick);
  padding: 10px 18px;
  display: inline-block;
  box-shadow: var(--shadow-sm);
}

.hero-intro {
  font-size: 1.08rem;
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 24px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
}

.hero-visual-box {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: 12px 12px 0 #0a0a0a;
  padding: 28px;
  position: relative;
}

.hero-visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-thick);
  padding-bottom: 14px;
  margin-bottom: 20px;
  font-weight: 700;
}

.window-dots {
  display: flex;
  gap: 8px;
}

.dot-box {
  width: 16px;
  height: 16px;
  border: 2px solid #0a0a0a;
}

.dot-red { background-color: var(--warning-red); }
.dot-blue { background-color: var(--electric-blue); }
.dot-yellow { background-color: var(--accent-yellow); }

.hero-stat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.hero-stat-item {
  border: var(--border-thick);
  padding: 14px;
  background-color: var(--bg-paper);
  box-shadow: 4px 4px 0 #0a0a0a;
}

.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--electric-blue);
}

.hero-stat-label {
  font-size: 0.9rem;
  font-weight: 700;
}

/* 3个贴纸风格图文卡片 */
.sticker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  padding: 12px 0;
}

.sticker-card {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 32px 26px;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.22s ease;
  position: relative;
}

.sticker-rot-1 {
  transform: rotate(-1.8deg);
}

.sticker-rot-2 {
  transform: rotate(1.5deg);
  background-color: #fef9c3;
}

.sticker-rot-3 {
  transform: rotate(-1.2deg);
}

.sticker-card:hover {
  transform: rotate(0deg) scale(1.03);
  box-shadow: 12px 12px 0 #0a0a0a;
  z-index: 10;
}

.sticker-tape {
  position: absolute;
  top: -16px;
  right: 24px;
  background-color: var(--warning-red);
  color: #ffffff;
  border: var(--border-thick);
  padding: 4px 14px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 3px 3px 0 #0a0a0a;
}

.sticker-img-wrap {
  width: 88px;
  height: 88px;
  border: var(--border-thick);
  background-color: var(--electric-blue);
  padding: 12px;
  margin-bottom: 22px;
  box-shadow: 5px 5px 0 #0a0a0a;
}

.sticker-card h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  margin-bottom: 14px;
  border-bottom: var(--border-thick);
  padding-bottom: 10px;
}

.sticker-card p {
  font-size: 1rem;
  line-height: 1.75;
}

/* 流媒体与人工智能支持 4张色块图卡 */
.media-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.media-card {
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 28px 22px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.media-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 #0a0a0a;
}

.media-bg-blue {
  background-color: var(--electric-blue);
  color: #ffffff;
}

.media-bg-red {
  background-color: var(--warning-red);
  color: #ffffff;
}

.media-bg-white {
  background-color: #ffffff;
  color: var(--ink-black);
}

.media-bg-yellow {
  background-color: var(--accent-yellow);
  color: var(--ink-black);
}

.media-icon-box {
  width: 76px;
  height: 76px;
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: 4px 4px 0 #0a0a0a;
  padding: 10px;
  margin-bottom: 20px;
}

.media-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.media-card p {
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.media-status-tag {
  display: inline-block;
  background-color: var(--ink-black);
  color: #ffffff;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  border: 2px solid #0a0a0a;
  align-self: flex-start;
}

/* 套餐价格卡片（悬停黑白反转） */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 56px;
}

.pricing-card {
  background-color: #ffffff;
  color: var(--ink-black);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.pricing-card.popular-plan {
  border-width: 4px;
  background-color: #fef08a;
}

.pricing-badge {
  position: absolute;
  top: -16px;
  left: 20px;
  background-color: var(--warning-red);
  color: #ffffff;
  border: var(--border-thick);
  padding: 4px 14px;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 3px 3px 0 #0a0a0a;
}

.pricing-card:hover {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--electric-blue);
}

.pricing-card:hover .price-num,
.pricing-card:hover .plan-name,
.pricing-card:hover .plan-features li {
  color: var(--bg-paper);
  border-color: var(--bg-paper);
}

.pricing-card:hover .brutal-btn {
  background-color: var(--electric-blue);
  color: #ffffff;
  border-color: var(--bg-paper);
  box-shadow: 5px 5px 0 var(--bg-paper);
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.price-box {
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
  padding: 16px 0;
  margin: 14px 0 20px;
}

.price-num {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--electric-blue);
}

.price-unit {
  font-size: 1rem;
  font-weight: 700;
}

.plan-features {
  margin-bottom: 28px;
}

.plan-features li {
  padding: 8px 0;
  border-bottom: 2px dashed #0a0a0a;
  font-size: 0.95rem;
  font-weight: 700;
}

/* 粗边框套餐参数对比表 */
.table-wrap {
  overflow-x: auto;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  background-color: #ffffff;
}

.brutal-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.brutal-table th,
.brutal-table td {
  border: var(--border-thick);
  padding: 16px 20px;
  font-size: 0.98rem;
}

.brutal-table thead th {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.brutal-table tbody tr:nth-child(even) {
  background-color: var(--bg-paper);
}

.brutal-table tbody tr:hover {
  background-color: #dbeafe;
}

/* 印章式用户评价卡 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.review-card {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 28px;
  position: relative;
}

.stamp-badge {
  display: inline-block;
  border: 3px solid var(--warning-red);
  color: var(--warning-red);
  font-weight: 900;
  padding: 4px 12px;
  font-size: 0.88rem;
  transform: rotate(-6deg);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.review-author {
  border-top: var(--border-thick);
  padding-top: 14px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.review-score {
  background-color: var(--electric-blue);
  color: #ffffff;
  padding: 3px 10px;
  border: 2px solid #0a0a0a;
  font-size: 0.88rem;
}

/* 粗野主义手风琴折叠框 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
}

.faq-item summary {
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 900;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background-color: var(--electric-blue);
  color: #ffffff;
}

.faq-item[open] summary {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  border-bottom: var(--border-thick);
}

.faq-toggle-icon {
  display: inline-block;
  background-color: var(--warning-red);
  color: #ffffff;
  border: 2px solid #0a0a0a;
  padding: 2px 10px;
  font-size: 0.9rem;
}

.faq-answer {
  padding: 24px;
  font-size: 1.02rem;
  line-height: 1.8;
  background-color: var(--bg-paper);
}

/* 页脚 */
.site-footer {
  background-color: var(--ink-black);
  color: var(--bg-paper);
  padding: 72px 0 48px;
  border-top: var(--border-thick);
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 36px;
  border-bottom: 3px solid var(--bg-paper);
  padding-bottom: 44px;
  margin-bottom: 32px;
}

.footer-giant-brand {
  font-family: var(--font-heading);
  font-size: 5.2rem;
  line-height: 1;
  font-weight: 900;
  color: var(--bg-paper);
  letter-spacing: 6px;
  text-shadow: 6px 6px 0 var(--electric-blue);
}

.footer-slogan {
  font-size: 1.15rem;
  max-width: 680px;
  color: #d6d3cd;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-nav a {
  background-color: var(--bg-paper);
  color: var(--ink-black);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  padding: 12px 24px;
  border: 3px solid var(--bg-paper);
  box-shadow: 5px 5px 0 var(--warning-red);
  transition: all 0.15s ease;
}

.footer-nav a:hover {
  background-color: var(--electric-blue);
  color: #ffffff;
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--warning-red);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.95rem;
  color: #a8a29e;
}

/* 独立子页面与文章页排版 */
.subpage-hero {
  background-color: var(--electric-blue);
  color: #ffffff;
  padding: 56px 0;
  border-bottom: var(--border-thick);
}

.subpage-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  line-height: 1.25;
  margin-bottom: 16px;
}

.subpage-meta {
  display: inline-block;
  background-color: var(--ink-black);
  color: var(--bg-paper);
  padding: 6px 16px;
  font-weight: 700;
  border: 2px solid #ffffff;
}

.article-container {
  max-width: 960px;
  margin: 56px auto;
  padding: 0 24px;
}

.article-box {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 48px 44px;
}

.article-box h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin: 40px 0 18px;
  padding: 10px 16px;
  background-color: var(--bg-paper);
  border-left: 8px solid var(--electric-blue);
  border-top: 2px solid #0a0a0a;
  border-right: 2px solid #0a0a0a;
  border-bottom: 2px solid #0a0a0a;
  box-shadow: 4px 4px 0 #0a0a0a;
}

.article-box h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin: 28px 0 14px;
  color: var(--electric-blue);
}

.article-box p {
  font-size: 1.06rem;
  line-height: 1.9;
  margin-bottom: 20px;
  text-align: justify;
}

.article-box ul,
.article-box ol {
  margin: 18px 0 24px 24px;
}

.article-box li {
  list-style: square;
  margin-bottom: 10px;
  line-height: 1.85;
  font-size: 1.04rem;
}

.article-box a.inline-link {
  color: var(--electric-blue);
  font-weight: 700;
  border-bottom: 2px solid var(--electric-blue);
  padding: 0 4px;
}

.article-box a.inline-link:hover {
  background-color: var(--electric-blue);
  color: #ffffff;
}

.article-cta-banner {
  margin: 44px 0;
  padding: 32px;
  background-color: var(--bg-paper);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  text-align: center;
}

.article-cta-banner h3 {
  color: var(--ink-black);
  margin-top: 0;
  font-size: 1.6rem;
}

.news-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin: 48px 0;
}

.news-item-card {
  background-color: #ffffff;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 32px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.news-item-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--electric-blue);
}

.news-item-card h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.news-item-card p {
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .sticker-grid {
    grid-template-columns: 1fr;
  }
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links {
    justify-content: center;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .media-grid,
  .pricing-grid,
  .hero-stat-list {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .brutal-btn {
    width: 100%;
    padding: 16px 20px;
  }
  .footer-giant-brand {
    font-size: 3.2rem;
  }
  .article-box {
    padding: 28px 20px;
  }
}