/* ============================================================
   PAPER & INK EDITORIAL SYSTEM
   Project: 禁漫回家的路 · 正版漫途 归家有路
   Palette: 米纸 / 珊瑚朱砂 / 芥末黄 / 青瓷 / 紫藤
   ============================================================ */

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

:root{
  --paper:        #FBF4EA;
  --paper-soft:   #F5EADD;
  --paper-deep:   #EFE2D0;
  --ink:          #241E2B;
  --ink-soft:     #6A5D70;
  --coral:        #E4572E;
  --coral-lite:   #FF8A63;
  --teal:         #2A9D8F;
  --violet:       #7B5EA7;
  --mustard:      #FFC94A;
  --radius-lg:    22px;
  --radius-md:    16px;
  --r-pill:       999px;
  --shadow-hard:  5px 5px 0 var(--ink);
}

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(rgba(36,30,43,.065) 1px, transparent 1.4px),
    radial-gradient(circle at 4% -6%, rgba(228,87,46,.17), transparent 44%),
    radial-gradient(circle at 100% 2%, rgba(42,157,143,.17), transparent 40%),
    radial-gradient(circle at 78% 104%, rgba(123,94,167,.16), transparent 46%);
  background-size: 24px 24px, auto, auto, auto;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection{ background:var(--mustard); color:var(--ink); }

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

.section{
  padding:80px 0;
  position:relative;
  scroll-margin-top:80px;
}

.section:nth-child(even){
  background: linear-gradient(180deg,
      rgba(245,234,221,0) 0%,
      rgba(245,234,221,.9) 10%,
      rgba(245,234,221,.9) 90%,
      rgba(245,234,221,0) 100%);
}

/* ---------------- 导航 ---------------- */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,244,234,.86);
  backdrop-filter:blur(12px) saturate(1.5);
  -webkit-backdrop-filter:blur(12px) saturate(1.5);
  border-bottom:1px solid rgba(36,30,43,.13);
}

.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:1.16rem; letter-spacing:-.015em;
  text-decoration:none; color:var(--ink);
}

.logo-icon{
  width:36px; height:36px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; color:#fff; flex:none;
  background:linear-gradient(135deg, var(--coral) 0%, var(--mustard) 120%);
  border:2px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
  transform:rotate(-6deg);
  transition:transform .28s cubic-bezier(.2,.8,.3,1);
}
.logo:hover .logo-icon{ transform:rotate(8deg) scale(1.06); }

.main-nav{ display:flex; align-items:center; gap:26px; list-style:none; }

.main-nav a{
  position:relative;
  text-decoration:none; font-size:.9rem; font-weight:600;
  color:var(--ink-soft);
  padding-bottom:4px;
  transition:color .2s ease;
}
.main-nav a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:100%; height:2px; border-radius:2px;
  background:var(--coral);
  transform:scaleX(0); transform-origin:left center;
  transition:transform .28s cubic-bezier(.2,.8,.3,1);
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ transform:scaleX(1); }
.main-nav a.nav-cta::after{ display:none; }

.nav-cta{
  padding:9px 22px; border-radius:var(--r-pill);
  color:#fff !important; font-weight:700; font-size:.85rem; letter-spacing:.01em;
  background:var(--coral);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .18s cubic-bezier(.2,.8,.3,1), box-shadow .18s ease, background .2s;
}
.nav-cta:hover{
  transform:translate(-2px,-2px);
  box-shadow:5px 5px 0 var(--ink);
  background:var(--coral-lite);
}

.menu-toggle{
  display:none;
  width:42px; height:42px; border-radius:13px;
  align-items:center; justify-content:center;
  font-size:1.1rem; color:var(--ink); cursor:pointer;
  background:#fff; border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
}
.menu-toggle:active{ transform:translate(2px,2px); box-shadow:1px 1px 0 var(--ink); }

/* ---------------- Hero ---------------- */
.hero{
  min-height:70vh;
  display:flex; align-items:center;
  padding:148px 0 96px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute; top:96px; right:-70px;
  width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle at 32% 30%,
      rgba(255,201,74,.65),
      rgba(228,87,46,.22) 58%,
      transparent 72%);
  filter:blur(4px);
  pointer-events:none;
  z-index:0;
}
.hero::after{
  content:'';
  position:absolute; left:-110px; bottom:-140px;
  width:280px; height:280px; border-radius:46% 54% 62% 38%;
  background:radial-gradient(circle at 50% 50%,
      rgba(42,157,143,.3),
      transparent 70%);
  pointer-events:none;
  z-index:0;
}

.hero-content{ max-width:720px; position:relative; z-index:1; }

.hero-eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-size:.78rem; font-weight:700; letter-spacing:.16em;
  padding:7px 17px; border-radius:var(--r-pill);
  margin-bottom:22px;
  color:var(--ink);
  background:rgba(255,201,74,.5);
  border:1.5px dashed rgba(36,30,43,.45);
}
.hero-eyebrow::before{
  content:''; width:7px; height:7px; border-radius:50%;
  background:var(--coral); flex:none;
}

.hero h1{
  font-size:clamp(2.35rem, 5.6vw, 4rem);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.038em;
  margin-bottom:22px;
}
.hero p{
  font-size:1.08rem;
  color:var(--ink-soft);
  max-width:560px;
  margin-bottom:34px;
}

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

.hero-image{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:9px 9px 0 var(--violet);
  background:#fff;
}
.hero-image img{ width:100%; height:auto; display:block; }

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 30px;
  border-radius:var(--r-pill);
  font-family:inherit;
  font-size:.95rem; font-weight:700; letter-spacing:.01em;
  cursor:pointer;
  border:2px solid var(--ink);
  text-decoration:none;
  transition:transform .18s cubic-bezier(.2,.8,.3,1),
             box-shadow .18s ease,
             background .2s ease,
             color .2s ease;
}

.btn-primary{
  color:#fff;
  background:var(--coral);
  box-shadow:5px 5px 0 var(--ink);
}
.btn-primary:hover{
  background:var(--coral-lite);
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 var(--ink);
}
.btn-primary:active{ transform:translate(0,0); box-shadow:3px 3px 0 var(--ink); }

.btn-outline{
  background:#fff;
  color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,30,43,.16);
}
.btn-outline:hover{
  background:var(--mustard);
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 rgba(36,30,43,.24);
}
.btn-outline:active{ transform:translate(0,0); box-shadow:3px 3px 0 rgba(36,30,43,.16); }

/* ---------------- 标题 / 标签 ---------------- */
.section-label{
  display:inline-block;
  font-size:.76rem; font-weight:800; letter-spacing:.3em;
  text-transform:uppercase;
  margin-bottom:14px;
  color:var(--coral);
}
.section-label::before{
  content:'—';
  margin-right:8px;
  color:rgba(36,30,43,.35);
  letter-spacing:0;
}

.section-title{
  font-size:clamp(1.7rem, 3.4vw, 2.45rem);
  font-weight:900;
  letter-spacing:-.032em;
  line-height:1.2;
  margin-bottom:16px;
}

.section-desc{
  max-width:600px;
  color:var(--ink-soft);
  font-size:1.02rem;
  margin-bottom:44px;
}

/* ---------------- 卡片网格 ---------------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px,1fr));
  gap:26px;
}

.category-card{
  --sh:var(--ink);
  position:relative;
  border-radius:var(--radius-lg);
  padding:30px 28px;
  background:#fff;
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 var(--sh);
  transition:transform .24s cubic-bezier(.2,.8,.3,1), box-shadow .24s ease;
}
.category-card:nth-child(3n+1){ --sh:var(--coral); }
.category-card:nth-child(3n+2){ --sh:var(--teal); }
.category-card:nth-child(3n+3){ --sh:var(--violet); }

.category-card:hover{
  transform:translate(-4px,-4px) rotate(-.45deg);
  box-shadow:10px 10px 0 var(--sh);
}

.category-card h3{
  font-size:1.18rem; font-weight:800; letter-spacing:-.018em;
  margin-bottom:10px;
}
.category-card p{
  font-size:.92rem; color:var(--ink-soft);
  margin-bottom:18px;
}

.card-icon{
  width:52px; height:52px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
  font-size:1.35rem;
  background:var(--mustard);
  border:2px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
}
.category-card:nth-child(3n+1) .card-icon{ background:rgba(228,87,46,.2); }
.category-card:nth-child(3n+2) .card-icon{ background:rgba(42,157,143,.2); }
.category-card:nth-child(3n+3) .card-icon{ background:rgba(123,94,167,.2); }

.card-link{
  display:inline-flex; align-items:center; gap:6px;
  font-weight:700; font-size:.85rem;
  color:var(--ink); text-decoration:none;
  border-bottom:2px solid var(--coral);
  padding-bottom:2px;
  transition:color .2s, border-color .2s;
}
.card-link::after{
  content:'→';
  display:inline-block;
  transition:transform .24s cubic-bezier(.2,.8,.3,1);
}
.card-link:hover{ color:var(--coral); }
.card-link:hover::after{ transform:translateX(5px); }

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

.feature-image{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:9px 9px 0 var(--coral);
  background:#fff;
}
.feature-image img{ width:100%; height:auto; display:block; }

.feature-text h2{
  font-size:clamp(1.6rem, 3vw, 2.2rem);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.22;
  margin-bottom:16px;
}
.feature-text > p{
  color:var(--ink-soft);
  font-size:1rem;
}

.feature-list{ list-style:none; margin-top:26px; }
.feature-list li{
  display:flex; align-items:center; gap:12px;
  padding:8px 0;
  font-size:.98rem;
  color:var(--ink-soft);
}
.feature-list li::before{
  content:'✓';
  flex:none;
  width:24px; height:24px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:.78rem; font-weight:900;
  color:var(--teal);
  background:rgba(42,157,143,.16);
  border:1.5px solid rgba(42,157,143,.55);
}

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

.stat-item{
  padding:30px 20px;
  border-radius:var(--radius-lg);
  background:#fff;
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,30,43,.14);
  transition:transform .24s cubic-bezier(.2,.8,.3,1), box-shadow .24s ease;
}
.stat-item:hover{
  transform:translateY(-6px);
  box-shadow:5px 12px 0 rgba(36,30,43,.16);
}

.stat-number{
  font-size:2.35rem;
  font-weight:900;
  letter-spacing:-.045em;
  line-height:1;
}
.stat-label{
  font-size:.9rem;
  color:var(--ink-soft);
  margin-top:10px;
}
.stat-item:nth-child(1) .stat-number{ color:var(--coral); }
.stat-item:nth-child(2) .stat-number{ color:var(--teal); }
.stat-item:nth-child(3) .stat-number{ color:var(--violet); }
.stat-item:nth-child(4) .stat-number{ color:#C99A12; }

/* ---------------- 内容墙 ---------------- */
.content-wall{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
  gap:26px;
}

.content-wall-item{
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:#fff;
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,30,43,.14);
  transition:transform .24s cubic-bezier(.2,.8,.3,1), box-shadow .24s ease;
}
.content-wall-item:hover{
  transform:translateY(-7px);
  box-shadow:6px 13px 0 rgba(36,30,43,.18);
}
.content-wall-item img{
  width:100%; height:200px; object-fit:cover; display:block;
  border-bottom:2px solid var(--ink);
}
.content-wall-body{ padding:22px; }
.content-wall-body h3{
  font-size:1.1rem; font-weight:800; letter-spacing:-.015em;
  margin-bottom:8px;
}
.content-wall-body p{
  font-size:.92rem; color:var(--ink-soft);
}

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

.faq-item{
  background:#fff;
  border:2px solid rgba(36,30,43,.16);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  cursor:pointer;
  transition:border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.faq-item:hover{ border-color:rgba(36,30,43,.45); }
.faq-item.open{
  border-color:var(--ink);
  box-shadow:5px 5px 0 var(--coral);
  transform:translate(-2px,-2px);
}

.faq-item .faq-question{
  padding:18px 22px;
  font-weight:700;
  font-size:1rem;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item .faq-question::after{
  content:'+';
  flex:none;
  font-size:1.35rem; font-weight:400; line-height:1;
  color:var(--coral);
  transition:transform .28s cubic-bezier(.2,.8,.3,1);
}
.faq-item.open .faq-question::after{
  content:'−';
  transform:rotate(180deg);
}

.faq-item .faq-answer{
  padding:0 22px 18px;
  display:none;
  font-size:.95rem;
  color:var(--ink-soft);
}
.faq-item.open .faq-answer{
  display:block;
  animation:fadeUp .3s ease both;
}

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

/* ---------------- CTA 横幅 ---------------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  padding:64px 28px;
  text-align:center;
  color:#fff;
  border-radius:28px;
  border:2px solid var(--ink);
  background:linear-gradient(118deg, var(--coral) 0%, #EF7A4B 40%, var(--violet) 100%);
  box-shadow:10px 10px 0 var(--ink);
}
.cta-banner::before{
  content:'';
  position:absolute; top:-46%; right:-8%;
  width:340px; height:340px; border-radius:50%;
  background:rgba(255,255,255,.16);
  pointer-events:none;
}
.cta-banner::after{
  content:'';
  position:absolute; left:-64px; bottom:-140px;
  width:280px; height:280px; border-radius:50%;
  background:rgba(255,201,74,.32);
  pointer-events:none;
}

.cta-banner h2{
  position:relative; z-index:1;
  color:#fff;
  font-size:clamp(1.6rem, 3vw, 2.3rem);
  font-weight:900;
  letter-spacing:-.028em;
  margin-bottom:14px;
}
.cta-banner p{
  position:relative; z-index:1;
  max-width:520px;
  margin:0 auto 30px;
  opacity:.94;
}

.cta-banner .btn-primary{
  position:relative; z-index:1;
  background:#fff;
  color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,30,43,.55);
}
.cta-banner .btn-primary:hover{
  background:var(--mustard);
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 rgba(36,30,43,.55);
}

/* ---------------- 页脚 ---------------- */
.site-footer{
  padding:64px 0 28px;
  background:var(--paper-deep);
  border-top:2px solid var(--ink);
  position:relative;
}
.site-footer .container{ position:relative; z-index:1; }

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

.footer-brand .logo{ margin-bottom:16px; }
.footer-brand p{
  font-size:.92rem;
  color:var(--ink-soft);
  max-width:320px;
}

.footer-col h4{
  font-size:.95rem;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:.9rem;
  color:var(--ink-soft);
  text-decoration:none;
  padding:5px 0;
  transition:color .2s ease, transform .2s ease;
}
.footer-col a:hover{
  color:var(--coral);
  transform:translateX(4px);
}

.footer-bottom{
  border-top:1px solid rgba(36,30,43,.15);
  margin-top:44px;
  padding-top:22px;
  text-align:center;
  font-size:.85rem;
  color:var(--ink-soft);
}

/* ---------------- 工具类 ---------------- */
.text-accent{
  color:var(--coral);
  background-image:linear-gradient(transparent 60%, rgba(255,201,74,.75) 60%);
  background-repeat:no-repeat;
  background-size:100% 100%;
  padding:0 2px;
}
.text-center{ text-align:center; }
.seo-description{
  max-width:600px;
  margin:0 auto 48px;
  color:var(--ink-soft);
  text-align:center;
}
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }

/* ---------------- 响应式 ---------------- */
@media (max-width:768px){
  body{ background-size:20px 20px, auto, auto, auto; }

  .section{ padding:64px 0; }

  .hero{ padding:124px 0 72px; }

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

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

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

  .main-nav{ display:none; }

  .main-nav.open{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:18px;
    position:absolute;
    top:68px; left:0;
    width:100%;
    padding:24px;
    background:var(--paper);
    border-bottom:2px solid var(--ink);
    box-shadow:0 18px 34px -18px rgba(36,30,43,.45);
  }
  .main-nav.open a{ font-size:1rem; }
  .main-nav.open .nav-cta{ width:100%; text-align:center; justify-content:center; }

  .menu-toggle{ display:flex; }

  .cta-banner{ box-shadow:7px 7px 0 var(--ink); }
}

@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{ width:100%; }

  .hero h1{ letter-spacing:-.028em; }

  .category-card{ padding:26px 22px; }

  .cta-banner{ padding:44px 20px; border-radius:22px; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
}