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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background:#FFF9F0;
  color:#1F2544;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

:root {
  --paper:#FFF9F0;
  --ink:#1F2544;
  --coral:#FF5D5D;
  --teal:#00B4A0;
  --yellow:#FFC93C;
  --purple:#7B5EA7;
  --amber:#E07A5F;
}

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

::-webkit-scrollbar { width:10px; }
::-webkit-scrollbar-track { background:var(--paper); }
::-webkit-scrollbar-thumb { background:var(--coral); border-radius:6px; border:2px solid var(--paper); }

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

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

.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#FFF1E2; }

/* 导航 — 漫画印章风 */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(255,249,240,0.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:2px solid var(--ink);
}

.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:900; font-size:1.25rem;
  text-decoration:none; color:var(--ink);
  letter-spacing:-0.5px;
}

.logo-icon {
  width:38px; height:38px;
  border-radius:50% 50% 50% 10px;
  background:var(--yellow);
  border:2px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:800;
  transform:rotate(-4deg);
  transition:transform 0.2s;
}

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

.main-nav {
  display:flex; align-items:center; gap:6px; list-style:none;
}

.main-nav a {
  text-decoration:none; font-size:0.9rem; font-weight:700;
  color:var(--ink);
  padding:6px 12px; border-radius:8px;
  position:relative; transition:0.2s;
}

.main-nav a:hover { color:var(--coral); background:rgba(255,93,93,0.07); }

.main-nav a::after {
  content:''; position:absolute; bottom:2px; left:50%;
  transform:translateX(-50%);
  width:0; height:3px; border-radius:3px;
  background:var(--coral); transition:0.25s;
}

.main-nav a:hover::after { width:60%; }

.nav-cta {
  background:var(--coral);
  color:#fff!important;
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  padding:7px 20px!important;
  border-radius:10px;
}

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

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

.menu-toggle { display:none; }

/* 首页 Hero — 漫画封面感 */
.hero {
  min-height:80vh;
  display:flex; align-items:center;
  padding-top:68px;
  position:relative; overflow:hidden;
}

.hero::before {
  content:''; position:absolute; top:8%; right:-6%;
  width:46%; height:80%;
  background-image:radial-gradient(rgba(31,37,68,0.12) 1.5px, transparent 1.5px);
  background-size:14px 14px;
  -webkit-mask-image:linear-gradient(to left, rgba(0,0,0,0.6), transparent 85%);
  mask-image:linear-gradient(to left, rgba(0,0,0,0.6), transparent 85%);
  pointer-events:none;
}

.hero .container {
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:60px;
  align-items:center;
}

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

.hero-eyebrow {
  display:inline-block;
  font-size:0.85rem; font-weight:800;
  padding:6px 16px; border-radius:30px;
  margin-bottom:18px;
  background:var(--teal); color:#fff;
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  letter-spacing:1px;
  transform:rotate(-1.5deg);
}

.hero h1 {
  font-size:3rem; line-height:1.15; margin-bottom:20px;
  font-weight:900; letter-spacing:-1px;
  color:var(--ink);
  position:relative; display:inline-block;
}

.hero h1::after {
  content:''; position:absolute;
  left:0; right:0; bottom:0.1em;
  height:0.4em; background:var(--yellow);
  z-index:-1; border-radius:4px;
  transform:rotate(-0.6deg);
}

.hero p {
  font-size:1.1rem;
  color:rgba(31,37,68,0.72);
  max-width:560px; margin-bottom:34px;
}

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

.hero-image {
  position:relative;
  border-radius:18px; overflow:visible;
  border:3px solid var(--ink);
  box-shadow:8px 8px 0 var(--ink);
  transform:rotate(2deg);
}

.hero-image::before {
  content:'格间藏万象';
  position:absolute; top:14px; right:14px; z-index:3;
  background:var(--coral); color:#fff;
  border:2px solid var(--ink);
  border-radius:10px;
  padding:4px 14px;
  font-weight:800; font-size:0.85rem;
  box-shadow:2px 2px 0 var(--ink);
  transform:rotate(4deg);
}

.hero-image::after {
  content:'➤';
  position:absolute; bottom:-18px; left:-14px; z-index:3;
  width:36px; height:36px;
  background:var(--yellow);
  border:2px solid var(--ink);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:14px;
  box-shadow:2px 2px 0 var(--ink);
}

.hero-image img { width:100%; height:auto; border-radius:14px; }

/* 按钮 — 印章硬阴影 */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 30px; border-radius:12px;
  font-weight:800; font-size:0.95rem;
  cursor:pointer; border:2px solid var(--ink);
  text-decoration:none;
  transition:all 0.15s;
  box-shadow:4px 4px 0 var(--ink);
}

.btn:hover {
  transform:translate(3px,3px);
  box-shadow:1px 1px 0 var(--ink);
}

.btn:active {
  transform:translate(4px,4px);
  box-shadow:none;
}

.btn-primary { background:var(--coral); color:#fff; }
.btn-primary:hover { background:var(--coral); color:#fff; }

.btn-outline { background:#fff; color:var(--ink); }
.btn-outline:hover { background:var(--yellow); color:var(--ink); }

/* 标签 / 标题 */
.section-label {
  display:inline-block;
  font-size:0.8rem; font-weight:800;
  letter-spacing:2px; margin-bottom:12px;
  background:var(--yellow);
  border:2px solid var(--ink);
  border-radius:30px;
  padding:5px 16px;
  box-shadow:2px 2px 0 var(--ink);
  transform:rotate(-1deg);
  transition:0.2s;
}

.section-label:hover { transform:rotate(1deg) scale(1.05); }

.section-title {
  font-size:2.2rem; font-weight:900;
  margin-bottom:12px;
  letter-spacing:-0.5px; line-height:1.2;
  color:var(--ink);
}

.section-title::before {
  content:'';
  display:inline-block; width:18px; height:18px;
  background:var(--coral);
  border:2px solid var(--ink);
  border-radius:4px;
  margin-right:10px;
  box-shadow:2px 2px 0 var(--ink);
  vertical-align:middle;
}

.section-desc {
  max-width:600px;
  color:rgba(31,37,68,0.7);
  margin-bottom:40px;
  font-size:1rem;
}

.section-desc::after {
  content:''; display:block;
  width:60px; height:6px;
  background:var(--teal);
  border-radius:3px;
  margin-top:16px;
}

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

.category-card {
  background:#fff;
  border:2px solid var(--ink);
  border-radius:14px;
  padding:28px;
  position:relative;
  box-shadow:5px 5px 0 var(--ink);
  transition:all 0.2s;
}

.category-card:hover {
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 var(--ink);
}

.category-card::before {
  content:'✦';
  position:absolute; top:-14px; right:18px;
  width:30px; height:30px;
  background:var(--yellow);
  border:2px solid var(--ink);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:12px;
  box-shadow:2px 2px 0 var(--ink);
}

.card-icon {
  width:48px; height:48px;
  border-radius:12px;
  background:var(--teal);
  border:2px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
  font-size:1.3rem; color:#fff;
}

.category-card:nth-child(2) .card-icon { background:var(--coral); }
.category-card:nth-child(3) .card-icon { background:var(--purple); }
.category-card:nth-child(4) .card-icon { background:var(--amber); }

.card-link {
  display:inline-block;
  font-weight:800; font-size:0.85rem;
  text-decoration:none;
  color:var(--coral);
  border-bottom:2px solid var(--coral);
  padding-bottom:2px;
  margin-top:8px;
  transition:0.2s;
}

.card-link:hover { color:var(--ink); border-color:var(--ink); }

/* 特性块 */
.feature-block {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px; align-items:center;
}

.feature-image {
  border:2px solid var(--ink);
  border-radius:16px;
  box-shadow:6px 6px 0 var(--ink);
  overflow:hidden;
  transform:rotate(-1deg);
}

.feature-image img { width:100%; height:auto; }

.feature-text h3 {
  font-size:1.6rem; font-weight:900;
  margin-bottom:14px; line-height:1.3;
}

.feature-list { list-style:none; margin-top:18px; }

.feature-list li {
  padding:8px 0;
  display:flex; align-items:center; gap:10px;
  font-weight:600;
}

.feature-list li::before {
  content:'✎';
  font-weight:800; color:var(--coral);
  font-size:1.1rem;
  background:var(--yellow);
  width:26px; height:26px;
  border-radius:8px;
  border:1.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}

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

.stat-item {
  background:#fff;
  padding:28px 20px;
  border:2px solid var(--ink);
  border-radius:14px;
  box-shadow:4px 4px 0 var(--ink);
  position:relative;
  transition:0.2s;
}

.stat-item:hover {
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--ink);
}

.stat-number {
  font-size:2.6rem; font-weight:900;
  line-height:1.1; letter-spacing:-1px;
  color:var(--coral);
}

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

.stat-label {
  font-size:0.9rem;
  color:rgba(31,37,68,0.65);
  margin-top:8px; font-weight:600;
}

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

.content-wall-item {
  background:#fff;
  border:2px solid var(--ink);
  border-radius:14px;
  overflow:hidden;
  box-shadow:4px 4px 0 var(--ink);
  transition:all 0.2s;
}

.content-wall-item:hover {
  transform:translate(-3px,-3px);
  box-shadow:7px 7px 0 var(--ink);
}

.content-wall-item img {
  width:100%; height:200px;
  object-fit:cover;
  border-bottom:2px solid var(--ink);
}

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

.content-wall-body h4 {
  font-size:1.05rem; font-weight:800;
  margin-bottom:6px;
}

.content-wall-body p {
  font-size:0.9rem;
  color:rgba(31,37,68,0.7);
}

/* FAQ — 折叠漫画对话框 */
.faq-list { max-width:800px; margin:0 auto; }

.faq-item {
  background:#fff;
  border:2px solid var(--ink);
  border-radius:12px;
  margin-bottom:10px;
  overflow:hidden; cursor:pointer;
  box-shadow:3px 3px 0 var(--ink);
  transition:0.2s;
}

.faq-item:hover { box-shadow:4px 4px 0 var(--ink); }

.faq-item .faq-question {
  padding:16px 20px;
  font-weight:800; font-size:1rem;
  display:flex; justify-content:space-between; align-items:center;
  color:var(--ink);
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.5rem; font-weight:700;
  color:var(--coral);
  line-height:1;
  transition:0.2s;
}

.faq-item.open .faq-question::after { content:'−'; }

.faq-item .faq-answer {
  padding:0 20px 18px;
  display:none;
  color:rgba(31,37,68,0.72);
  font-size:0.95rem;
}

.faq-item.open .faq-answer { display:block; }

/* CTA 横幅 */
.cta-banner {
  padding:60px 24px;
  text-align:center;
  border-radius:18px;
  background:linear-gradient(135deg, var(--coral) 0%, #FF8E5E 100%);
  border:3px solid var(--ink);
  box-shadow:8px 8px 0 var(--ink);
  position:relative; overflow:hidden;
}

.cta-banner::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0; bottom:0;
  background-image:radial-gradient(rgba(255,255,255,0.18) 2px, transparent 2px);
  background-size:18px 18px;
  pointer-events:none;
}

.cta-banner h2 {
  color:#fff;
  font-size:2.2rem; font-weight:900;
  margin-bottom:12px;
  position:relative;
}

.cta-banner p {
  color:rgba(255,255,255,0.9);
  margin-bottom:24px;
  position:relative;
}

.cta-banner .btn-primary {
  background:#fff; color:var(--ink);
  border-color:var(--ink);
  box-shadow:4px 4px 0 var(--ink);
  position:relative;
}

.cta-banner .btn-primary:hover {
  background:var(--yellow); color:var(--ink);
}

/* 页脚 */
.site-footer {
  border-top:2px solid var(--ink);
  background:var(--paper);
  padding:56px 0 28px;
}

.site-footer .container { }

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

.footer-brand .logo { margin-bottom:12px; }

.footer-brand p {
  color:rgba(31,37,68,0.7);
  font-size:0.95rem;
  max-width:260px;
}

.footer-col h4 {
  font-size:0.95rem; font-weight:800;
  margin-bottom:14px;
  text-transform:uppercase;
  letter-spacing:1px;
}

.footer-col a {
  display:block;
  color:rgba(31,37,68,0.7);
  text-decoration:none;
  font-size:0.9rem;
  padding:4px 0;
  transition:0.2s;
}

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

.footer-bottom {
  border-top:1.5px dashed rgba(31,37,68,0.25);
  margin-top:40px; padding-top:20px;
  text-align:center;
  font-size:0.85rem;
  color:rgba(31,37,68,0.55);
}

/* 工具类 */
.text-accent {
  color:var(--coral);
  font-weight:900;
  position:relative;
  white-space:nowrap;
}

.text-accent::after {
  content:'';
  position:absolute;
  left:0; right:0; bottom:2px;
  height:3px;
  background:var(--coral);
  border-radius:3px;
}

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

.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  color:rgba(31,37,68,0.7);
}

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

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }

  .main-nav { display:none; }
  .menu-toggle {
    display:flex;
    width:40px; height:40px;
    background:var(--yellow);
    border:2px solid var(--ink);
    border-radius:10px;
    box-shadow:3px 3px 0 var(--ink);
    font-size:1.2rem; cursor:pointer;
    align-items:center; justify-content:center;
  }

  .main-nav.open {
    display:flex;
    flex-direction:column;
    position:absolute; top:68px; left:0; width:100%;
    background:var(--paper);
    padding:20px;
    border-bottom:2px solid var(--ink);
    box-shadow:0 10px 0 rgba(31,37,68,0.1);
    gap:12px;
  }

  .main-nav.open a {
    padding:12px;
    border-bottom:1px dashed rgba(31,37,68,0.15);
  }

  .main-nav.open a:last-child { border-bottom:none; }
  .main-nav.open .nav-cta { text-align:center; }

  .hero .container {
    grid-template-columns:1fr;
    gap:48px;
  }

  .hero {
    min-height:auto;
    padding-top:120px;
    padding-bottom:60px;
  }

  .hero h1 { font-size:2.4rem; }
  .hero-image { transform:rotate(1deg) scale(0.98); }
  .container { padding:0 20px; }
}

@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; }
  .btn { width:100%; justify-content:center; }
  .section { padding:60px 0; }
  .section-title { font-size:1.8rem; }
  .hero h1 { font-size:2rem; }
  .stat-number { font-size:2rem; }
  .cta-banner { padding:40px 20px; }
}