/* ================================================
   禁漫天堂 · 发布页 Visual System
   设计概念：Pixel Paper —— 温暖纸感 × 未来数字
   配色：米白纸 #FAF6EF / 墨蓝 #1C2433 / 珊瑚橙 #FF6144 / 青碧 #06B6D4
   ================================================ */

:root {
  --paper: #FAF6EF;
  --paper-deep: #F1E9DC;
  --ink: #1C2433;
  --ink-soft: #4A5568;
  --coral: #FF6144;
  --coral-deep: #E84D2B;
  --cyan: #06B6D4;
  --cyan-deep: #0891B2;
  --sand: #F4C591;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(28,36,51,0.04);
  --shadow-md: 0 12px 32px rgba(28,36,51,0.08);
  --shadow-lg: 0 24px 56px rgba(28,36,51,0.10);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 32px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 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:
    radial-gradient(circle at 15% 15%, rgba(255,97,68,0.03), transparent 35%),
    radial-gradient(circle at 85% 75%, rgba(6,182,212,0.03), transparent 35%),
    var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--coral); color:#fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper-deep); }
::-webkit-scrollbar-thumb { background: rgba(28,36,51,0.16); border-radius: 20px; }
::-webkit-scrollbar-thumb:hover { background: rgba(28,36,51,0.28); }

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

.section {
  padding: 104px 0;
  position: relative;
  background: var(--paper);
}

/* 所有区块覆盖像素纸张网格纹理 */
.section::before {
  content:'';
  position: absolute;
  top:0; left:0;
  width:100%; height:100%;
  background-image:
    linear-gradient(rgba(28,36,51,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,36,51,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.section .container { position: relative; }

.section:nth-child(even) { background: var(--paper-deep); }
.section:nth-child(even)::after {
  content:'';
  position:absolute;
  top:0; left:0;
  width:100%;
  height:3px;
  background: linear-gradient(90deg, var(--coral), var(--cyan), var(--sand));
  z-index:1;
  pointer-events:none;
}

/* ================================================
   导航 — 固定顶部
   ================================================ */
.site-header {
  position: fixed;
  top:0; left:0; width:100%;
  z-index: 1000;
  background: rgba(250,246,239,0.76);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(28,36,51,0.06);
}

.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:1.15rem;
  text-decoration:none;
  color:var(--ink);
  letter-spacing:-0.02em;
  transition:opacity .2s;
}
.logo:hover { opacity:0.85; }

.logo-icon {
  width:38px; height:38px;
  border-radius:11px;
  display:flex;
  align-items:center; justify-content:center;
  font-size:1rem;
  background: linear-gradient(135deg, var(--coral), var(--cyan));
  color:#fff;
  box-shadow: 0 6px 14px rgba(255,97,68,0.30);
}

.main-nav {
  display:flex;
  align-items:center;
  gap:30px;
  list-style:none;
}

.main-nav a {
  text-decoration:none;
  font-size:0.92rem;
  font-weight:500;
  color:var(--ink-soft);
  position:relative;
  transition:color .3s;
}
.main-nav a::after {
  content:'';
  position:absolute;
  left:0; bottom:-5px;
  width:0; height:2px;
  background:var(--coral);
  transition:width .35s var(--ease);
}
.main-nav a:hover { color:var(--ink); }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:10px 22px;
  border-radius:100px;
  color:#fff!important;
  font-weight:700;
  background:var(--ink);
  box-shadow:0 4px 14px rgba(28,36,51,0.16);
  transition:background .3s, transform .25s var(--ease)!important;
}
.nav-cta::after { display:none; }
.nav-cta:hover {
  background:var(--coral);
  color:#fff!important;
  transform:translateY(-2px);
}

.menu-toggle {
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  padding:8px 10px;
  background:none;
  border:none;
  cursor:pointer;
  border-radius:8px;
}
.menu-toggle:focus { outline:2px solid var(--coral); outline-offset:2px; }
.menu-toggle span {
  display:block;
  width:24px; height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .3s var(--ease);
}

/* ================================================
   首页 Hero
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(6,182,212,0.10), transparent 42%),
    radial-gradient(circle at 40% 90%, rgba(255,97,68,0.08), transparent 45%);
}

/* 巨型背景字符 — 品牌印记 */
.hero::before {
  content: '禁';
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30vw;
  line-height: 1;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px rgba(28,36,51,0.05);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.08em;
  z-index: 0;
}

.hero::after {
  content:'';
  position:absolute;
  bottom:-120px; right:-80px;
  width:340px; height:340px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--cyan), var(--sand));
  opacity:0.10;
  pointer-events:none;
}

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

.hero-eyebrow {
  display:inline-block;
  font-size:0.82rem;
  font-weight:800;
  padding:9px 20px;
  border-radius:100px;
  margin-bottom:22px;
  background: var(--coral);
  color:#fff;
  letter-spacing:2px;
  text-transform:uppercase;
  transform: rotate(-2deg);
  box-shadow: 5px 5px 0 rgba(28,36,51,0.12);
}

.hero h1 {
  font-size: clamp(3rem, 6.5vw, 5.4rem);
  line-height: 1.08;
  margin-bottom: 24px;
  font-weight: 900;
  letter-spacing: -0.045em;
  color: var(--ink);
  position: relative;
}

.hero h1::after {
  content:'';
  position:absolute;
  left:0; bottom:0.04em;
  width:100%;
  height:0.12em;
  background: linear-gradient(90deg, var(--coral), var(--sand), transparent);
  border-radius: 100px;
  transform: scaleX(0.3);
  transform-origin: left;
  pointer-events:none;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.85;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 400px;
  background:
    linear-gradient(140deg, rgba(255,97,68,0.14), rgba(6,182,212,0.14)),
    linear-gradient(45deg, #FFF6F0, #FFFCF7 55%, #E6F6F8);
  border: 1px solid rgba(255,255,255,0.85);
  box-shadow: 0 28px 64px rgba(28,36,51,0.12);
}

.hero-image::before {
  content:'';
  position:absolute;
  right:64px; top:48px;
  width:120px; height:120px;
  border-radius: 22px;
  background: var(--coral);
  transform: rotate(14deg);
  box-shadow: 14px 14px 0 var(--cyan);
}

.hero-image::after {
  content:'';
  position:absolute;
  left:48px; bottom:48px;
  width:90px; height:90px;
  border-radius: 50%;
  background: var(--sand);
  border: 12px solid rgba(255,255,255,0.72);
  box-shadow: 0 8px 24px rgba(28,36,51,0.10);
}

.hero-image img {
  width:100%;
  height:100%;
  object-fit:cover;
  position:relative;
  z-index:2;
}

/* ================================================
   按钮
   ================================================ */
.btn {
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 30px;
  border-radius:100px;
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
}
.btn:focus-visible { outline:3px solid var(--cyan); outline-offset:3px; }

.btn-primary {
  background: var(--coral);
  color:#fff;
  box-shadow: 0 6px 20px rgba(255,97,68,0.32);
}
.btn-primary:hover {
  background: var(--coral-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255,97,68,0.40);
}

.btn-outline {
  background: transparent;
  border:1.5px solid var(--ink);
  color: var(--ink);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.65);
  border-color: var(--coral);
  color: var(--coral);
  transform: translateY(-2px);
}

/* ================================================
   标签 / 标题
   ================================================ */
.section-label {
  display:inline-block;
  font-size:0.75rem;
  font-weight:800;
  letter-spacing:4px;
  text-transform:uppercase;
  margin-bottom:16px;
  color: var(--coral);
  padding:7px 16px;
  border:1.5px solid rgba(255,97,68,0.30);
  border-radius:6px;
  background: rgba(255,97,68,0.05);
}

.section-title {
  font-size: clamp(1.9rem, 3.8vw, 2.7rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--ink);
}

.section-desc {
  max-width: 680px;
  opacity: 0.75;
  margin-bottom: 52px;
  color: var(--ink-soft);
  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: 20px;
  padding: 34px 30px;
  border: 1px solid rgba(28,36,51,0.06);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
  position: relative;
  overflow: hidden;
}

.category-card::after {
  content:'';
  position:absolute;
  right:-28px; top:-28px;
  width:80px; height:80px;
  border-radius:50%;
  background: rgba(6,182,212,0.10);
  opacity:0;
  transition: opacity .45s, transform .45s;
}

.category-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6,182,212,0.18);
}
.category-card:hover::after { opacity:1; transform:scale(1.5); }

.card-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #FFF1EB, #FFE9DF);
  color: var(--coral);
}

.card-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--cyan-deep);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link::after {
  content: '→';
  transition: transform .3s var(--ease);
}
.card-link:hover { text-decoration: underline; }
.card-link:hover::after { transform: translateX(5px); }

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

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 20%, rgba(6,182,212,0.18), transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(255,97,68,0.15), transparent 55%),
    linear-gradient(145deg, #FFF4EE, #F2FBFC);
  box-shadow: 0 20px 48px rgba(28,36,51,0.10);
  position: relative;
}

.feature-image::before {
  content:'';
  position:absolute;
  left:-12px; top:-12px;
  width:48px; height:48px;
  border-radius:12px;
  background:var(--coral);
  opacity:0.8;
  transform: rotate(8deg);
}

.feature-image img {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease);
}
.feature-image:hover img { transform: scale(1.03); }

.feature-text { position:relative; }

.feature-text .section-title { margin-bottom:18px; }

.feature-list {
  list-style: none;
  margin-top: 16px;
}
.feature-list li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.feature-list li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  background: var(--coral);
  color:#fff;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 38px 16px;
  border-radius: 20px;
  background: var(--white);
  border: 1px solid rgba(28,36,51,0.06);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.stat-item::before {
  content:'';
  position:absolute;
  top:0; left:0;
  width:100%; height:4px;
  background: linear-gradient(90deg, var(--coral), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.stat-item:hover::before { transform: scaleX(1); }
.stat-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

/* 每块微妙的错位节奏 */
.stat-item:nth-child(1) { border-radius: 28px 12px 28px 12px; }
.stat-item:nth-child(2) { transform: rotate(0.8deg); }
.stat-item:nth-child(3) { transform: rotate(-0.8deg); }
.stat-item:nth-child(4) { border-radius: 12px 28px 12px 28px; }
.stat-item:nth-child(2):hover,
.stat-item:nth-child(3):hover { transform: rotate(0deg) translateY(-5px); }

.stat-number {
  font-size: clamp(2.2rem, 4.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--coral), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.62;
  margin-top: 8px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

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

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(28,36,51,0.06);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.content-wall-item::after {
  content: '+';
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.88);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--coral);
  opacity: 0;
  transform: scale(0.7);
  transition: all .35s var(--ease);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(28,36,51,0.12);
  pointer-events: none;
}
.content-wall-item:hover::after { opacity: 1; transform: scale(1); }

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #FFEDE6, #D9F3F6);
}

.content-wall-body {
  padding: 26px 24px 30px;
}

/* ================================================
   FAQ
   ================================================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(28,36,51,0.08);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255,255,255,0.72);
  transition: border-color .3s, box-shadow .3s;
}

.faq-item:hover { border-color: rgba(255,97,68,0.35); box-shadow: var(--shadow-sm); }

.faq-item .faq-question {
  padding: 22px 26px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--ink);
  font-size: 1.05rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.7rem;
  font-weight: 400;
  transition: transform .35s var(--ease);
  color: var(--coral);
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 26px 22px;
  display: none;
  opacity: 0.75;
  color: var(--ink-soft);
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFade .4s var(--ease);
}

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

/* ================================================
   CTA 横幅
   ================================================ */
.cta-banner {
  padding: 72px 32px;
  text-align: center;
  border-radius: 32px;
  background:
    radial-gradient(circle at 70% 0%, rgba(255,255,255,0.20) 0%, transparent 50%),
    linear-gradient(135deg, var(--cyan-deep), #0D9BB5);
  color:#fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 56px rgba(6,182,212,0.30);
}

.cta-banner::before {
  content: '◢';
  position: absolute;
  right: -20px; bottom: -40px;
  font-size: 240px;
  opacity: 0.05;
  line-height: 1;
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color:#fff;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0,0,0,0.14);
}
.cta-banner .btn-primary:hover {
  background: var(--coral);
  color: #fff;
  transform: translateY(-2px);
}

/* ================================================
   页脚
   ================================================ */
.site-footer {
  background: var(--paper);
  padding: 84px 0 32px;
  position: relative;
  border-top: 1px solid rgba(28,36,51,0.05);
}

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

.footer-brand { max-width: 320px; }

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size:0.92rem; color:var(--ink-soft); line-height:1.8; }

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--ink);
  margin-bottom: 8px;
}
.footer-col a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.94rem;
  transition: color .25s, transform .25s;
}
.footer-col a:hover { color: var(--coral); transform: translateX(3px); }

.footer-bottom {
  border-top: 1px solid rgba(28,36,51,0.08);
  margin-top: 52px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.4px;
}

/* ================================================
   工具类
   ================================================ */
.text-accent { color: var(--coral); }
.text-center { text-align: center; }
.seo-description {
  max-width: 620px;
  margin: 0 auto 52px;
  opacity: 0.75;
  color: var(--ink-soft);
  line-height: 1.85;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ================================================
   响应式
   ================================================ */
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 44px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 88vh; }
  .hero-image { min-height: 280px; }

  .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(250,246,239,0.98);
    backdrop-filter: blur(16px);
    padding: 28px 24px;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid rgba(28,36,51,0.06);
    box-shadow: 0 24px 48px rgba(28,36,51,0.08);
  }
  .main-nav.open li { width: 100%; }
  .main-nav.open a {
    display: block;
    padding: 10px 0;
    font-size: 1.1rem;
  }
  .main-nav.open .nav-cta {
    display: inline-flex;
    margin-top: 10px;
    padding: 12px 24px;
  }
}

@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 h1 { font-size: 2.6rem; }
  .section { padding: 72px 0; }

  .stat-item:nth-child(2) { transform: none; }
  .stat-item:nth-child(3) { transform: none; }
}