/* =========================================================
   禁漫天堂 · Comic Print Design System
   Unique Identity: Warm Paper · Ink Borders · Halftone Play
   ========================================================= */

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

:root {
  --cream: #FAF6F1;
  --cream-deep: #F0E8DD;
  --paper: #FFFDF9;
  --vermilion: #E85D3D;
  --vermilion-dark: #C94326;
  --teal: #1B7A79;
  --teal-light: #3DA9A0;
  --gold: #D4A853;
  --ink: #2D2A26;
  --ink-soft: rgba(45, 42, 38, 0.55);
  --shadow-sm: 0 4px 12px rgba(45, 42, 38, 0.06);
  --shadow-md: 0 8px 24px rgba(45, 42, 38, 0.08);
  --shadow-lg: 0 16px 40px rgba(45, 42, 38, 0.12);
  --radius: 14px;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Subtle halftone paper texture over entire page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: radial-gradient(rgba(45, 42, 38, 0.018) 1px, transparent 1px);
  background-size: 26px 26px;
}

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 20px;
  border: 2px solid var(--cream);
}

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

.section { padding: 96px 0; position: relative; }

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

/* 每节顶部加一条装饰性漫画线 */
.section::before {
  content: '';
  display: block;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(45, 42, 38, 0.06) 6px,
    rgba(45, 42, 38, 0.06) 12px
  );
  position: absolute;
  top: 0;
  left: 0;
}

/* ===== 导航栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 241, 0.92);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid rgba(45, 42, 38, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px 10px 10px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: var(--vermilion);
  color: #fff;
  transform: rotate(-4deg);
  box-shadow: 2px 2px 0 rgba(45, 42, 38, 0.25), 4px 4px 0 rgba(232, 93, 61, 0.3);
  transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(4deg) scale(1.05);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--vermilion);
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.65, 0.05, 0.36, 1);
}

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

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

.nav-cta {
  padding: 9px 22px;
  border-radius: 50px;
  background: var(--teal);
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(27, 122, 121, 0.35);
  transition: all 0.3s ease !important;
}

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

.nav-cta:hover {
  background: var(--vermilion);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(232, 93, 61, 0.35);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== Hero 主体 ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--cream);
  overflow: hidden;
}

/* Hero 半调网点装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 480px;
  height: 480px;
  background-image: radial-gradient(var(--vermilion) 2px, transparent 2px);
  background-size: 28px 28px;
  opacity: 0.12;
  mask-image: radial-gradient(circle, rgba(0, 0, 0, 0.6), transparent 70%);
  -webkit-mask-image: radial-gradient(circle, rgba(0, 0, 0, 0.6), transparent 70%);
  pointer-events: none;
}

/* Hero 背景大字 */
.hero::after {
  content: '漫';
  position: absolute;
  bottom: -40px;
  right: -20px;
  font-size: 20rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(45, 42, 38, 0.04);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content { max-width: 680px; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
  background: var(--gold);
  color: var(--ink);
  transform: rotate(-2deg);
  box-shadow: 2px 2px 0 rgba(45, 42, 38, 0.2);
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

/* "禁漫天堂" 高亮效果 */
.hero h1 .text-accent {
  background: linear-gradient(180deg, transparent 62%, rgba(232, 93, 61, 0.25) 62%);
  padding: 0 4px;
  border-radius: 2px;
  font-weight: 900;
}

.hero p {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 4px solid var(--ink);
  box-shadow: 10px 10px 0 var(--vermilion), 16px 16px 0 rgba(45, 42, 38, 0.06);
  background: var(--paper);
  transform: rotate(1.5deg);
  transition: transform 0.4s ease;
}

.hero-image:hover {
  transform: rotate(0deg) translateY(-4px);
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(45, 42, 38, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: 1;
  pointer-events: none;
}

.hero-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  filter: saturate(1.05);
}

/* Hero 图片角落装饰贴纸 */
.hero-image::after {
  content: '★ 新连载';
  position: absolute;
  top: -12px;
  left: -12px;
  z-index: 2;
  background: var(--gold);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 6px 14px;
  border: 2px solid var(--ink);
  border-radius: 2px;
  box-shadow: 2px 2px 0 var(--ink);
  transform: rotate(-8deg);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.65, 0.05, 0.36, 1);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--vermilion);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 93, 61, 0.35);
}

.btn-primary:hover {
  background: var(--vermilion-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(232, 93, 61, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(27, 122, 121, 0.3);
}

/* ===== 标签 / 标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--vermilion);
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 4px;
  background: var(--vermilion);
  border-radius: 2px;
}

.section-label::after {
  content: '///';
  margin-left: 4px;
  color: var(--gold);
  letter-spacing: -2px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-desc {
  max-width: 620px;
  color: var(--ink-soft);
  margin-bottom: 48px;
  font-size: 1.02rem;
  line-height: 1.8;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.category-card {
  position: relative;
  background: var(--paper);
  border-radius: 14px;
  padding: 32px 28px;
  border: 2px solid transparent;
  border-top: 4px solid var(--ink);
  transition: all 0.35s cubic-bezier(0.65, 0.05, 0.36, 1);
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 20px;
  height: 20px;
  background-image: radial-gradient(var(--ink) 1.5px, transparent 1.5px);
  background-size: 6px 6px;
  opacity: 0.15;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow-md);
  border-top-color: var(--vermilion);
}

.category-card:hover::before {
  opacity: 0.35;
}

.category-card:nth-child(1) { border-top-color: var(--vermilion); }
.category-card:nth-child(2) { border-top-color: var(--teal); }
.category-card:nth-child(3) { border-top-color: var(--gold); }
.category-card:nth-child(4) { border-top-color: var(--teal-light); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: rgba(232, 93, 61, 0.1);
  color: var(--vermilion);
  transition: all 0.3s;
}

.category-card:nth-child(2) .card-icon {
  background: rgba(27, 122, 121, 0.1);
  color: var(--teal);
}

.category-card:nth-child(3) .card-icon {
  background: rgba(212, 168, 83, 0.15);
  color: var(--gold);
}

.category-card:nth-child(4) .card-icon {
  background: rgba(61, 169, 160, 0.12);
  color: var(--teal-light);
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--vermilion);
  margin-top: 6px;
  transition: gap 0.3s;
}

.category-card:nth-child(2) .card-link { color: var(--teal); }
.category-card:nth-child(3) .card-link { color: #B8941A; }

.card-link:hover {
  gap: 12px;
}

.card-link::after {
  content: '→';
  font-size: 1.1rem;
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--gold);
  background: var(--paper);
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, rgba(232, 93, 61, 0.06), transparent 50%);
  pointer-events: none;
}

.feature-image img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(1.1) contrast(1.02);
  transition: transform 0.5s ease;
}

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

.feature-text { padding: 8px 0; }

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

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

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px dashed rgba(45, 42, 38, 0.1);
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: var(--teal);
  background: rgba(27, 122, 121, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 36px 20px;
  border-radius: 14px;
  border: none;
  background: var(--paper);
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.05);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 5px;
  background: var(--vermilion);
  border-radius: 0 0 4px 4px;
}

.stat-item:nth-child(2)::before { background: var(--teal); }
.stat-item:nth-child(3)::before { background: var(--gold); }
.stat-item:nth-child(4)::before { background: var(--teal-light); }

.stat-item:nth-child(odd) {
  transform: translateY(0) rotate(-1deg);
}

.stat-item:nth-child(even) {
  transform: translateY(0) rotate(1deg);
  margin-top: 12px;
}

.stat-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--vermilion);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

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

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 1px;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  position: relative;
  background: var(--paper);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(45, 42, 38, 0.06);
  transition: all 0.35s ease;
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 93, 61, 0.3);
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 22px 24px 26px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.4;
}

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

.content-wall-body::before {
  content: 'NO.' attr(data-index);
  position: absolute;
  bottom: 8px;
  right: 16px;
  font-size: 0.65rem;
  font-weight: 800;
  color: rgba(45, 42, 38, 0.2);
  letter-spacing: 1px;
}

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

.faq-item {
  border: none;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--paper);
  border-left: 4px solid transparent;
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: #FFFDF9;
  box-shadow: 0 4px 16px rgba(45, 42, 38, 0.07);
}

.faq-item.open {
  border-left-color: var(--vermilion);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--ink);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--vermilion);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  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-soft);
  font-size: 0.9rem;
  line-height: 1.8;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CTA 横幅 ===== */
.cta-banner {
  position: relative;
  padding: 80px 40px;
  text-align: center;
  border-radius: 2px;
  background: var(--teal);
  color: #fff;
  overflow: hidden;
  border: 4px solid var(--ink);
  box-shadow: 12px 12px 0 var(--gold), 18px 18px 0 rgba(45, 42, 38, 0.08);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 2px, transparent 2px);
  background-size: 32px 32px;
  pointer-events: none;
}

.cta-banner::after {
  content: '❤';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 3rem;
  opacity: 0.15;
  transform: rotate(15deg);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.15);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
  line-height: 1.8;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--teal);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--cream);
  color: var(--vermilion);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 72px 0 24px;
  background: var(--cream-deep);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(
    45deg,
    var(--vermilion),
    var(--vermilion) 12px,
    var(--gold) 12px,
    var(--gold) 24px,
    var(--teal) 24px,
    var(--teal) 36px
  );
  opacity: 0.6;
}

.site-footer .container {
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  padding-right: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--ink);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s, padding-left 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(45, 42, 38, 0.1);
  margin-top: 56px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.5px;
}

.footer-bottom a {
  color: var(--vermilion);
  text-decoration: none;
  font-weight: 600;
}

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

.text-teal { color: var(--teal); }

.text-gold { color: var(--gold); }

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--ink-soft);
  line-height: 1.8;
  font-size: 0.95rem;
}

.mt-0 { margin-top: 0 !important; }

.mb-0 { margin-bottom: 0 !important; }

.rounded-full { border-radius: 50px !important; }

/* 浮动动画 */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(-2deg); }
}

.float-slow { animation: float 4s ease-in-out infinite; }

.float-fast { animation: float 2.5s ease-in-out infinite; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero::after {
    font-size: 12rem;
    right: -40px;
  }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .hero { min-height: auto; padding: 120px 0 64px; }

  .hero h1 { font-size: 2.6rem; }

  .section-title { font-size: 1.9rem; }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-image {
    max-width: 100%;
  }

  .feature-text {
    text-align: left;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-item:nth-child(even) {
    margin-top: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
    padding-right: 0;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(250, 246, 241, 0.98);
    backdrop-filter: blur(20px);
    padding: 28px 32px;
    gap: 20px;
    border-bottom: 1px solid rgba(45, 42, 38, 0.1);
    box-shadow: 0 20px 40px rgba(45, 42, 38, 0.1);
    align-items: flex-start;
  }

  .main-nav.open a {
    font-size: 1.1rem;
    font-weight: 700;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .cta-banner {
    padding: 60px 24px;
    box-shadow: 6px 6px 0 var(--gold);
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }
}

@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;
    align-items: stretch;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero::after {
    display: none;
  }

  .hero-image {
    box-shadow: 6px 6px 0 var(--vermilion);
  }

  .stat-number {
    font-size: 2rem;
  }

  .cta-banner h2 {
    font-size: 1.4rem;
  }
}

/* ===== 焦点可访问性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}