/* ╔══════════════════════════════════════════════════╗
   好好看 · 贴纸档案局 (Sticker Archive)
   新孟菲斯贴纸美学 | Neo-Memphis Sticker Style
   好企业，值得好好看 — 每一个企业都值得被贴纸庆祝
   ╚══════════════════════════════════════════════════╝ */

:root {
  --cream: #FFF9F0;
  --warm: #FFF3E4;
  --ink: #2D2D2D;
  --coral: #FF6B6B;
  --teal: #2EC4B6;
  --yellow: #FFD166;
  --lavender: #B9A7E9;
  --light-pink: #FFE8E6;
  --light-mint: #E0FAF8;
  --light-lav: #F0EBFA;
}

*, *::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: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--warm); }
::-webkit-scrollbar-thumb {
  background: var(--coral);
  border: 2px solid var(--ink);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover { background: #FF8E6B; }

/* ──────── 容器与区块 ──────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 80px 0; position: relative; }

.section:nth-child(even) {
  background-color: var(--warm);
  background-image: radial-gradient(circle, rgba(255,209,102,0.22) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

/* ═══════════════ 头部导航 ═══════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: rgba(255,249,240,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 2px 0 var(--yellow);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: repeating-linear-gradient(
    45deg,
    var(--coral) 0, var(--coral) 20px,
    var(--yellow) 20px, var(--yellow) 40px,
    var(--teal) 40px, var(--teal) 60px,
    var(--lavender) 60px, var(--lavender) 80px
  );
}

.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: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 1px;
  transition: transform 0.2s;
}
.logo:hover { transform: scale(1.03) rotate(-1deg); }

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  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;
  color: var(--ink);
  font-weight: 900;
  position: relative;
}
.logo-icon::before {
  content: '好';
  font-size: 0.95rem;
  font-weight: 900;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  padding: 4px 2px;
  transition: color 0.2s;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--coral);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.main-nav a:hover { color: var(--coral); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  padding: 9px 22px;
  border-radius: 8px;
  background: var(--coral);
  color: #FFF !important;
  font-weight: 700;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: all 0.2s;
}
.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
  color: #FFF !important;
}
.nav-cta::after { display: none; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--cream);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 8px;
  position: relative;
}
.menu-toggle::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  box-shadow: 0 7px 0 var(--ink), 0 14px 0 var(--ink);
}

/* ═══════════════ Hero 首屏 ═══════════════ */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: 140px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '✦';
  position: absolute;
  top: 20%; right: 6%;
  font-size: 3.2rem;
  color: var(--yellow);
  animation: float 3.5s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
  text-shadow: 2px 2px 0 var(--ink);
}

.hero::after {
  content: '◌';
  position: absolute;
  bottom: 24%; left: 3%;
  font-size: 4.5rem;
  color: rgba(46,196,182,0.5);
  animation: float 4.5s ease-in-out infinite reverse;
  z-index: 0;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(3deg); }
}

.hero-content {
  flex: 1.2;
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: var(--lavender);
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  color: var(--ink);
  transform: rotate(-2deg);
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-shadow:
    2px 2px 0 rgba(255,255,255,0.9),
    4px 4px 0 rgba(255,209,102,0.55);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.75;
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.hero-image {
  flex: 0.85;
  min-width: 320px;
  border-radius: 20px;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 var(--teal);
  background: #FFFFFF;
  padding: 12px;
  transform: rotate(2deg);
  transition: transform 0.3s ease;
  position: relative;
  z-index: 1;
}
.hero-image:hover {
  transform: rotate(0deg) scale(1.01);
  box-shadow: 8px 8px 0 var(--teal);
}
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

/* ═══════════════ 按钮 ═══════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--ink);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--teal);
  color: #FFF;
  box-shadow: 4px 4px 0 var(--ink);
}
.btn-primary:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.btn-outline {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.btn-outline:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ═══════════════ 标签与标题 ═══════════════ */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
  background: var(--light-pink);
  border: 1.5px dashed var(--coral);
  border-radius: 6px;
  padding: 3px 14px;
  color: var(--coral);
  transform: rotate(-1deg);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.3;
  position: relative;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  line-height: 1.7;
  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: 14px;
  padding: 30px 28px;
  border: 2px solid var(--ink);
  background: #FFFFFF;
  box-shadow: 4px 4px 0 var(--ink);
  transition: all 0.2s;
  position: relative;
}
.category-card:nth-child(1) { border-top: 6px solid var(--coral); }
.category-card:nth-child(2) { border-top: 6px solid var(--teal); }
.category-card:nth-child(3) { border-top: 6px solid var(--yellow); }
.category-card:nth-child(4) { border-top: 6px solid var(--lavender); }

.category-card::before {
  content: '✦';
  position: absolute;
  top: -12px;
  right: 18px;
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--cream);
  padding: 2px 8px;
  border: 1.5px solid var(--ink);
  border-radius: 20px;
  transform: rotate(6deg);
}

.category-card:hover {
  transform: translate(-2px, -2px) rotate(-0.5deg);
  box-shadow: 6px 6px 0 var(--yellow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  border: 2px solid var(--ink);
  background: var(--warm);
}
.category-card:nth-child(1) .card-icon { background: var(--light-pink); }
.category-card:nth-child(2) .card-icon { background: var(--light-mint); }
.category-card:nth-child(3) .card-icon { background: #FFF8E1; }
.category-card:nth-child(4) .card-icon { background: var(--light-lav); }

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  transition: gap 0.2s;
}
.card-link:hover {
  text-decoration: underline;
  gap: 8px;
}

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

.feature-image {
  border-radius: 16px;
  border: 2px solid var(--ink);
  overflow: hidden;
  box-shadow: 5px 5px 0 var(--lavender);
  background: #FFF;
  padding: 10px;
  transform: rotate(-1deg);
  transition: transform 0.3s;
}
.feature-image:hover {
  transform: rotate(0deg) scale(1.01);
}
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.feature-text .section-label { margin-bottom: 10px; }
.feature-text .section-title { font-size: 2rem; }

.feature-list {
  list-style: none;
  margin-top: 22px;
}
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  font-weight: 500;
}
.feature-list li::before {
  content: '✓';
  font-weight: 900;
  background: var(--teal);
  color: #FFF;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid var(--ink);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ═══════════════ 数据条 ═══════════════ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 14px;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.2s;
}
.stat-item:nth-child(1) { background: var(--yellow); }
.stat-item:nth-child(2) { background: var(--light-pink); }
.stat-item:nth-child(3) { background: var(--light-mint); }
.stat-item:nth-child(4) { background: var(--light-lav); }

.stat-item:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 6px 6px 0 var(--ink);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 6px;
  font-weight: 500;
}

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

.content-wall-item {
  border-radius: 14px;
  border: 2px solid var(--ink);
  overflow: hidden;
  background: #FFF;
  box-shadow: 4px 4px 0 var(--ink);
  transition: all 0.2s;
}
.content-wall-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--yellow);
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid var(--ink);
  transition: transform 0.3s;
  display: block;
}
.content-wall-item:hover img { transform: scale(1.03); }

.content-wall-body {
  padding: 22px;
}
.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-weight: 800;
  display: inline-block;
  background: linear-gradient(to top, rgba(255,209,102,0.55) 30%, transparent 30%);
  padding: 0 4px;
}
.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.5;
}

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

.faq-item {
  border: 2px solid var(--ink);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #FFF;
  box-shadow: 3px 3px 0 var(--ink);
  transition: all 0.2s;
}
.faq-item:hover { box-shadow: 5px 5px 0 var(--lavender); }

.faq-item.open {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
  background: #FFFDF8;
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item .faq-question::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
  transform: rotate(45deg);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-top: -4px;
}
.faq-item.open .faq-question::after {
  transform: rotate(225deg);
  margin-top: 4px;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer { display: block; }

/* ═══════════════ CTA 横幅 ═══════════════ */
.cta-banner {
  padding: 60px 24px 56px;
  text-align: center;
  border-radius: 16px;
  color: #FFF;
  background: linear-gradient(135deg, var(--coral) 0%, #FF8E6B 100%);
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '✿';
  position: absolute;
  top: 14px; left: 20px;
  font-size: 2rem;
  color: rgba(255,255,255,0.35);
  animation: float 4s ease-in-out infinite;
}
.cta-banner::after {
  content: '✦';
  position: absolute;
  bottom: 14px; right: 20px;
  font-size: 2.2rem;
  color: rgba(255,255,255,0.35);
  animation: float 5s ease-in-out infinite reverse;
}

.cta-banner h2 {
  color: #FFF;
  font-size: 2.2rem;
  margin-bottom: 12px;
  font-weight: 900;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.12);
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #FFF;
  color: var(--coral);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.cta-banner .btn-primary:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ═══════════════ 页脚 ═══════════════ */
.site-footer {
  padding: 56px 0 28px;
  background: var(--warm);
  border-top: 2px solid var(--ink);
  margin-top: 40px;
  color: var(--ink);
}

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

.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: var(--coral);
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.65;
  color: var(--ink);
  transition: opacity 0.2s;
}
.footer-col ul a:hover { opacity: 1; text-decoration: underline; }

.footer-bottom {
  border-top: 1.5px dashed rgba(45,45,45,0.25);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.55;
}

/* ═══════════════ 工具类 ═══════════════ */
.text-accent {
  color: var(--coral);
  font-weight: 800;
  position: relative;
  display: inline-block;
  z-index: 1;
}
.text-accent::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0;
  width: 100%; height: 8px;
  background: rgba(255,209,102,0.45);
  z-index: -1;
  border-radius: 4px;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  line-height: 1.7;
  text-align: center;
  font-size: 1rem;
}

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

/* ═══════════════ 响应式 ═══════════════ */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding-top: 120px;
    gap: 48px;
  }
  .hero-content { max-width: 100%; }
  .hero-image { max-width: 520px; width: 100%; }
  .hero h1 { font-size: 2.6rem; }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--cream);
    border-bottom: 2px solid var(--ink);
    box-shadow: 0 4px 0 var(--yellow);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .main-nav.open { display: flex; }

  .menu-toggle { display: flex; }

  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .cta-banner h2 { font-size: 1.7rem; }
  .cta-banner { padding: 48px 20px 44px; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  .hero h1 { font-size: 1.9rem; }
  .hero-image { min-width: 0; }
  .hero { padding-top: 110px; }
  .section { padding: 56px 0; }
  .cta-banner h2 { font-size: 1.4rem; }
  .stat-number { font-size: 2rem; }
  .footer-col ul { margin-bottom: 8px; }
}