/* ============================================
   禁漫天堂下载 — 设计系统
   风格语言：复古漫画日报 / 几何硬边拼贴
   核心配色：珊瑚红 #FF5A4E + 墨蓝 #26456E
   点缀配色：薄荷 #35C0A5 + 奶油黄 #F4D67B
   基底色彩：暖奶白 #F9F5EE
   ============================================ */

:root {
  --bg: #F9F5EE;
  --bg-alt: #F2EBDF;
  --bg-card: #FFFFFF;
  --primary: #FF5A4E;
  --secondary: #26456E;
  --accent: #35C0A5;
  --warn: #F4D67B;
  --text: #26456E;
  --text-muted: #6B7A8D;
  --line: #26456E;
  --hard-shadow: 6px 6px 0 rgba(38, 69, 110, 0.18);
  --hard-shadow-lg: 10px 10px 0 rgba(38, 69, 110, 0.22);
  --radius: 2px;
}

/* ---------- 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(--bg);
  background-image: radial-gradient(rgba(38, 69, 110, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--text);
  line-height: 1.6;
}

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

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

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background-color: var(--bg-alt);
  background-image: 
    linear-gradient(45deg, transparent 49%, rgba(38, 69, 110, 0.04) 50%, transparent 51%),
    linear-gradient(-45deg, transparent 49%, rgba(38, 69, 110, 0.04) 50%, transparent 51%);
  background-size: 28px 28px;
}

/* ---------- 导航 · 固定顶部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(249, 245, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 3px solid var(--line);
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--primary) 0 18px, transparent 18px 28px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.35rem;
  text-decoration: none;
  color: var(--secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  background: var(--primary);
  color: #fff;
  box-shadow: 3px 3px 0 var(--secondary);
  transform: rotate(-3deg);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--secondary);
  transition: all 0.2s;
  padding: 4px 2px;
  letter-spacing: 0.5px;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  background: var(--primary);
  transition: width 0.25s;
}

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

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

.nav-cta {
  padding: 9px 22px;
  border-radius: var(--radius);
  color: #fff !important;
  font-weight: 800;
  background: var(--secondary);
  border: 2px solid var(--secondary);
  box-shadow: 3px 3px 0 var(--primary);
  transition: all 0.2s !important;
}

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

.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--primary);
  background: var(--secondary);
  color: #fff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: 2px solid var(--secondary);
  padding: 8px;
  border-radius: var(--radius);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--secondary);
}

/* ---------- 首页 Hero ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 74px;
  background:
    linear-gradient(90deg, rgba(38, 69, 110, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(38, 69, 110, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero::before {
  content: 'JM';
  position: absolute;
  right: 4%;
  top: 55%;
  font-size: 14rem;
  font-weight: 900;
  color: rgba(38, 69, 110, 0.04);
  z-index: 0;
  line-height: 1;
  letter-spacing: 0.1em;
  pointer-events: none;
  white-space: nowrap;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  background: var(--warn);
  color: var(--secondary);
  border: 2px solid var(--secondary);
  box-shadow: 3px 3px 0 var(--secondary);
  letter-spacing: 1px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.2rem);
  line-height: 1.05;
  margin-bottom: 24px;
  font-weight: 900;
  color: var(--secondary);
  letter-spacing: -0.02em;
  position: relative;
  text-transform: uppercase;
}

.hero h1::after {
  content: '';
  display: block;
  width: 120px;
  height: 8px;
  background: var(--primary);
  margin-top: 12px;
  box-shadow: 4px 4px 0 var(--secondary);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.75;
  color: var(--text);
  max-width: 560px;
  margin-bottom: 36px;
  font-weight: 400;
}

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

.hero-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 3px solid var(--line);
  box-shadow: var(--hard-shadow-lg);
  min-height: 360px;
  transform: rotate(1.5deg);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, var(--primary) 0 14%, transparent 15%),
    radial-gradient(circle at 75% 65%, var(--warn) 0 22%, transparent 23%),
    radial-gradient(circle at 30% 80%, var(--accent) 0 10%, transparent 11%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.hero-image::after {
  content: '';
  position: absolute;
  width: 160px;
  height: 160px;
  background: var(--secondary);
  border: 4px solid var(--primary);
  border-radius: 8%;
  transform: rotate(12deg);
  top: 22%;
  right: 12%;
  background-image: radial-gradient(var(--warn) 3px, transparent 3px);
  background-size: 14px 14px;
}

.hero-image img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
  opacity: 0.05;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--primary);
  color: #fff !important;
  border: 2px solid var(--secondary);
  box-shadow: 4px 4px 0 var(--secondary);
}

.btn-primary:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--secondary);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
  box-shadow: 3px 3px 0 var(--secondary);
}

.btn-outline:hover {
  background: var(--secondary);
  color: #fff !important;
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--secondary);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--primary);
  text-transform: uppercase;
  padding: 4px 12px;
  border: 2px solid var(--primary);
  background: var(--bg-card);
  position: relative;
  z-index: 1;
}

.section-label::before {
  content: '//';
  margin-right: 6px;
  color: var(--accent);
}

.section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  margin-bottom: 14px;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  color: var(--text);
  margin-bottom: 48px;
  font-size: 1.05rem;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 2.5px solid var(--secondary);
  transition: all 0.25s;
  background: var(--bg-card);
  box-shadow: 5px 5px 0 rgba(38, 69, 110, 0.2);
  position: relative;
}

.category-card:nth-child(3n+1) { transform: rotate(-0.6deg); }
.category-card:nth-child(3n+2) { transform: rotate(0.5deg); }
.category-card:nth-child(3n)   { transform: rotate(-0.3deg); }

.category-card:hover {
  transform: translateY(-4px) rotate(0deg);
  box-shadow: 9px 9px 0 rgba(38, 69, 110, 0.28);
  border-color: var(--primary);
}

.category-card::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary);
  top: -5px;
  right: -5px;
  box-shadow: 0 0 0 2px var(--secondary);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: rgba(53, 192, 165, 0.2);
  border: 2px solid var(--accent);
  color: var(--secondary);
}

.category-card:nth-child(even) .card-icon {
  background: rgba(255, 90, 78, 0.15);
  border-color: var(--primary);
}

.category-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--secondary);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-link {
  font-weight: 800;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ---------- 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;
  border: 3px solid var(--secondary);
  box-shadow: 8px 8px 0 var(--primary);
  position: relative;
  min-height: 320px;
  background:
    linear-gradient(45deg, rgba(53, 192, 165, 0.35) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(53, 192, 165, 0.35) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(53, 192, 165, 0.35) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(53, 192, 165, 0.35) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(38, 69, 110, 0.2) 100%);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  mix-blend-mode: multiply;
}

.feature-text {
  position: relative;
}

.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 18px;
  color: var(--secondary);
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--text);
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: var(--primary);
  background: rgba(255, 90, 78, 0.12);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
}

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

.stat-item {
  padding: 28px 20px;
  border-radius: var(--radius);
  border: 2.5px solid var(--secondary);
  background: var(--bg-card);
  box-shadow: 5px 5px 0 rgba(38, 69, 110, 0.2);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--primary);
}

.stat-item:hover {
  transform: scale(1.03) rotate(0.5deg);
  box-shadow: 7px 7px 0 var(--primary);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-number::after {
  content: '+';
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.7;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: 1px;
}

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

.content-wall-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2.5px solid var(--secondary);
  transition: all 0.25s;
  background: var(--bg-card);
  box-shadow: 5px 5px 0 rgba(38, 69, 110, 0.18);
}

.content-wall-item:nth-child(even) {
  transform: rotate(1deg);
}

.content-wall-item:nth-child(odd) {
  transform: rotate(-1deg);
}

.content-wall-item:hover {
  transform: translateY(-4px) rotate(0deg);
  box-shadow: 8px 8px 0 var(--primary);
  border-color: var(--primary);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2.5px solid var(--secondary);
  background: linear-gradient(135deg, var(--warn), var(--accent));
}

.content-wall-item:nth-child(3n+1) img {
  background: linear-gradient(135deg, var(--primary), var(--warn));
}

.content-wall-item:nth-child(3n+2) img {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
}

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

.content-wall-body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--secondary);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

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

.faq-item {
  border: 2px solid var(--secondary);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  box-shadow: 3px 3px 0 rgba(38, 69, 110, 0.15);
  transition: all 0.2s;
}

.faq-item:hover {
  box-shadow: 5px 5px 0 rgba(38, 69, 110, 0.25);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 800;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--secondary);
  font-size: 1rem;
  transition: background 0.2s;
}

.faq-item .faq-question::after {
  content: '?';
  color: var(--primary);
  font-size: 1.3rem;
  font-weight: 900;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  content: '!';
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-top: 2px dashed rgba(38, 69, 110, 0.2);
  padding-top: 14px;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff !important;
  border: 3px solid var(--secondary);
  box-shadow: 8px 8px 0 var(--secondary);
  position: relative;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.25) 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 100px;
  height: 100px;
  border: 4px solid var(--warn);
  transform: rotate(20deg);
  top: -30px;
  left: -20px;
  background: rgba(255, 255, 255, 0.08);
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 70px;
  height: 70px;
  border: 4px solid var(--secondary);
  transform: rotate(20deg);
  bottom: -20px;
  right: -15px;
  background: rgba(255, 255, 255, 0.12);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  font-weight: 500;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--secondary) !important;
  border: 2px solid var(--secondary);
  box-shadow: 4px 4px 0 var(--secondary);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  background: var(--secondary);
  color: #fff !important;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--primary);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 60px 0 30px;
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.85);
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 18px 18px;
  border-top: 6px solid var(--primary);
}

.site-footer .container {
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 24px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-icon {
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 2px 2px 0 var(--warn);
}

.footer-brand span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
  display: block;
  margin-top: 6px;
}

.footer-col h4 {
  color: var(--warn);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 3px;
  background: var(--primary);
}

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

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col a::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
}

.footer-col a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 2px solid rgba(255, 255, 255, 0.12);
  margin-top: 36px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.5px;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: var(--primary);
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--text);
}

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

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

/* 滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--secondary); border-radius: 0; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 90px;
  }

  .hero-content {
    margin-bottom: 48px;
  }

  .hero h1::after {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image {
    width: 100%;
    max-width: 520px;
  }

  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    background: var(--bg);
    border-bottom: 3px solid var(--secondary);
    padding: 24px;
    gap: 20px;
    box-shadow: 0 8px 0 rgba(0, 0, 0, 0.08);
  }

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

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

@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: 2.3rem;
  }

  .hero::before {
    font-size: 7rem;
    top: 40%;
  }

  .cta-banner {
    padding: 44px 20px;
  }
}