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

:root {
  --paper: #F9F5EF;
  --paper-deep: #F0EBE2;
  --ink: #24344D;
  --ink-soft: rgba(36,52,77,0.65);
  --brand: #E85A4F;
  --brand-deep: #C94A40;
  --accent: #F2A15E;
  --sage: #86A796;
  --line: #D8CFC4;
  --white: #FFFFFF;
  --radius: 16px;
  --shadow-lg: 0 20px 40px rgba(36,52,77,0.08);
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color: var(--paper);
  background-image: radial-gradient(rgba(36,52,77,0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  line-height:1.6;
}

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

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

.section:nth-child(even) {
  background-color: var(--paper-deep);
  background-image: radial-gradient(rgba(36,52,77,0.04) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* 导航 — 固定顶部 */
.site-header {
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1000;
  background:rgba(249,245,239,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}

.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:-0.5px;
}

.logo-icon {
  width:36px;
  height:36px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  background:var(--brand);
  color:#fff;
  transform:rotate(-4deg);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform 0.25s ease, box-shadow 0.25s ease;
}

.logo:hover .logo-icon {
  transform:rotate(0deg);
  box-shadow:2px 2px 0 var(--ink);
}

.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);
  transition:color 0.25s ease;
  position:relative;
}

.main-nav a::after {
  content:'';
  position:absolute;
  left:0;
  bottom:-6px;
  width:0;
  height:2px;
  background:var(--brand);
  transition:width 0.25s ease;
}

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

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

.nav-cta {
  padding:9px 22px;
  border-radius:999px;
  background:var(--brand);
  color:#fff !important;
  font-weight:700;
  box-shadow:0 4px 14px rgba(232,90,79,0.3);
  transition:transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(232,90,79,0.4);
}

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

.menu-toggle {
  display:none;
  background:none;
  border:2px solid var(--ink);
  border-radius:10px;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  color:var(--ink);
  cursor:pointer;
}

/* 首页Hero */
.hero {
  min-height:70vh;
  display:flex;
  align-items:center;
  padding:120px 0 80px;
  position:relative;
  overflow:hidden;
}

.hero::before {
  content:'';
  position:absolute;
  right:-8%;
  top:-20%;
  width:480px;
  height:480px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(232,90,79,0.12) 0%, transparent 60%);
  pointer-events:none;
}

.hero::after {
  content:'';
  position:absolute;
  left:42%;
  bottom:-30%;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(134,167,150,0.15) 0%, transparent 60%);
  pointer-events:none;
}

.hero .container {
  display:grid;
  grid-template-columns:1fr 460px;
  gap:64px;
  align-items:center;
  position:relative;
  z-index:1;
  width:100%;
}

.hero-content {
  max-width:720px;
}

.hero-eyebrow {
  display:inline-block;
  font-size:0.8rem;
  font-weight:800;
  letter-spacing:1px;
  padding:6px 18px;
  border-radius:999px;
  margin-bottom:16px;
  background:var(--brand);
  color:#fff;
  border:2px solid var(--ink);
  position:relative;
}

.hero-eyebrow::after {
  content:'';
  position:absolute;
  top:50%;
  right:-18px;
  width:14px;
  height:2px;
  background:var(--ink);
  box-shadow:-5px -8px 0 var(--ink), -5px 8px 0 var(--ink);
  border-radius:2px;
}

.hero h1 {
  font-size:3.2rem;
  font-weight:900;
  line-height:1.15;
  letter-spacing:-1.5px;
  margin-bottom:20px;
}

.hero h1 .text-accent {
  color:var(--brand);
  background:linear-gradient(transparent 65%, rgba(242,161,94,0.35) 65%);
  padding:0 2px;
}

.hero p {
  font-size:1.1rem;
  opacity:0.7;
  max-width:560px;
  margin-bottom:32px;
  line-height:1.7;
}

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

.hero-image {
  border-radius:20px;
  overflow:hidden;
  position:relative;
  border:2px solid var(--ink);
  background:var(--paper-deep);
  box-shadow:12px 12px 0 var(--brand);
}

.hero-image img {
  width:100%;
  height:auto;
  display:block;
  object-fit:cover;
}

.hero-image::after {
  content:'JM';
  position:absolute;
  top:14px;
  right:14px;
  background:var(--accent);
  color:var(--ink);
  font-weight:900;
  font-size:0.8rem;
  padding:6px 12px;
  border-radius:20px;
  border:2px solid var(--ink);
  transform:rotate(8deg);
  line-height:1;
}

/* 按钮 */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 30px;
  border-radius:999px;
  font-weight:700;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:all 0.25s ease;
}

.btn-primary {
  background:var(--brand);
  color:#fff !important;
  box-shadow:4px 4px 0 var(--ink);
}

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

.btn-outline {
  background:transparent;
  border:2px solid var(--ink);
  color:var(--ink);
}

.btn-outline:hover {
  background:var(--ink);
  color:var(--paper) !important;
  transform:translate(2px, 2px);
  box-shadow:2px 2px 0 var(--brand);
}

/* 标签/标题 */
.section-label {
  display:inline-block;
  font-size:0.8rem;
  font-weight:800;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--brand);
  background:rgba(232,90,79,0.1);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
  border:1px solid rgba(232,90,79,0.2);
}

.section-title {
  font-size:2.4rem;
  font-weight:900;
  line-height:1.2;
  letter-spacing:-0.5px;
  margin-bottom:14px;
  position:relative;
}

.section-title::after {
  content:'';
  display:block;
  width:56px;
  height:3px;
  background:var(--brand);
  border-radius:2px;
  box-shadow:4px 4px 0 var(--accent);
  margin-top:14px;
}

.section-desc {
  max-width:600px;
  opacity:0.7;
  margin-bottom:40px;
  font-size:1.05rem;
  line-height:1.7;
}

/* 卡片网格 */
.cards-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:24px;
}

.category-card {
  border-radius:var(--radius);
  padding:28px;
  background-color:var(--white);
  background-image:radial-gradient(rgba(232,90,79,0.06) 1px, transparent 1px);
  background-size:16px 16px;
  border:2px solid var(--ink);
  transition:all 0.25s ease;
  position:relative;
}

.category-card::before {
  content:'';
  position:absolute;
  inset:6px;
  border:1px dashed var(--line);
  border-radius:10px;
  pointer-events:none;
}

.category-card:hover {
  transform:translateY(-4px);
  box-shadow:8px 8px 0 rgba(36,52,77,0.15);
}

.card-icon {
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  font-size:1.3rem;
  background:var(--brand);
  color:#fff;
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-4deg);
}

.card-link {
  font-weight:700;
  font-size:0.85rem;
  text-decoration:none;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:4px;
}

.card-link:hover {
  color:var(--brand-deep);
}

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

.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:20px;
  overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:10px 10px 0 var(--accent);
}

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

.feature-text h3 {
  font-size:1.6rem;
  font-weight:900;
  margin-bottom:12px;
}

.feature-text > p {
  opacity:0.7;
  margin-bottom:20px;
  line-height:1.7;
}

.feature-list {
  list-style:none;
  margin-top:8px;
}

.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:500;
  border-bottom:1px dashed var(--line);
}

.feature-list li:last-child {
  border-bottom:none;
}

.feature-list li::before {
  content:'✓';
  font-weight:900;
  color:var(--brand);
  background:rgba(232,90,79,0.1);
  width:22px;
  height:22px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:0.8rem;
  flex-shrink:0;
}

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

.stat-item {
  padding:28px 16px;
  border-radius:var(--radius);
  border:2px solid var(--ink);
  background:var(--white);
  position:relative;
  overflow:hidden;
}

.stat-item::after {
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:4px;
  background:var(--brand);
}

.stat-number {
  font-size:2.4rem;
  font-weight:900;
  line-height:1;
  color:var(--brand);
  display:inline-block;
  position:relative;
  text-decoration:underline wavy var(--accent) 3px;
  text-underline-offset:6px;
}

.stat-label {
  font-size:0.9rem;
  opacity:0.6;
  margin-top:10px;
  font-weight:500;
}

/* 内容墙 */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:24px;
}

.content-wall-item {
  border-radius:var(--radius);
  overflow:hidden;
  border:2px solid var(--ink);
  background:var(--white);
  transition:all 0.25s ease;
  position:relative;
}

.content-wall-item:hover {
  transform:translateY(-4px);
  box-shadow:8px 8px 0 rgba(134,167,150,0.35);
}

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

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

.content-wall-body::before {
  content:'';
  width:8px;
  height:8px;
  display:inline-block;
  background:var(--sage);
  border-radius:50%;
  margin-right:8px;
  box-shadow:12px 0 0 var(--accent), 24px 0 0 var(--brand);
}

.content-wall-body h3 {
  margin-top:14px;
  font-size:1.1rem;
  font-weight:800;
}

.content-wall-body p {
  margin-top:6px;
  font-size:0.9rem;
  opacity:0.7;
  line-height:1.5;
}

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

.faq-item {
  border:2px solid var(--ink);
  border-radius:12px;
  margin-bottom:10px;
  overflow:hidden;
  background:var(--white);
  transition:border-color 0.2s ease, background 0.2s ease;
}

.faq-item.open {
  background:rgba(242,161,94,0.08);
  border-color:var(--brand);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
  position:relative;
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.4rem;
  font-weight:900;
  color:var(--brand);
  transition:transform 0.25s ease;
}

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

.faq-item .faq-answer {
  padding:0 22px 18px;
  display:none;
  opacity:0.75;
  line-height:1.7;
}

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

/* CTA横幅 */
.cta-banner {
  padding:56px 24px;
  text-align:center;
  border-radius:20px;
  background:var(--brand);
  background-image:radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size:16px 16px;
  color:#fff;
  border:2px solid var(--ink);
  box-shadow:12px 12px 0 var(--ink);
  position:relative;
  overflow:hidden;
}

.cta-banner h2 {
  color:#fff;
  margin-bottom:12px;
  font-size:2rem;
  font-weight:900;
}

.cta-banner p {
  opacity:0.9;
  margin-bottom:24px;
}

.cta-banner .btn-primary {
  background:#fff;
  color:var(--brand) !important;
  box-shadow:4px 4px 0 var(--ink);
}

.cta-banner .btn-primary:hover {
  box-shadow:2px 2px 0 var(--ink);
}

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

.site-footer .container {

}

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

.footer-brand {
  font-weight:800;
  font-size:1.1rem;
  line-height:1.6;
}

.footer-brand .logo-icon {
  margin-bottom:10px;
}

.footer-col {
  display:flex;
  flex-direction:column;
  gap:10px;
}

.footer-col h4 {
  font-size:0.85rem;
  margin-bottom:6px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--brand);
}

.footer-col a {
  color:var(--ink);
  text-decoration:none;
  font-size:0.9rem;
  opacity:0.75;
  transition:opacity 0.2s ease, color 0.2s ease;
}

.footer-col a:hover {
  opacity:1;
  color:var(--brand);
}

.footer-bottom {
  border-top:1px solid var(--line);
  margin-top:40px;
  padding-top:20px;
  text-align:center;
  font-size:0.85rem;
  opacity:0.7;
}

/* 工具类 */
.text-accent {
  color:var(--brand);
  font-weight:800;
}

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

.text-center .section-title::after {
  margin-left:auto;
  margin-right:auto;
}

.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  opacity:0.7;
  font-size:1.05rem;
  line-height:1.7;
}

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

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

/* 响应式 */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns:1fr;
    gap:32px;
  }

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

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

  .main-nav {
    display:none;
  }

  .menu-toggle {
    display:flex;
  }

  .main-nav.open {
    display:flex;
    flex-direction:column;
    position:absolute;
    top:68px;
    left:0;
    width:100%;
    background:var(--paper);
    padding:20px 24px;
    border-bottom:2px solid var(--ink);
    box-shadow:0 10px 30px rgba(36,52,77,0.1);
    gap:16px;
    align-items:flex-start;
  }

  .main-nav.open a {
    font-size:1rem;
  }

  .main-nav.open a::after {
    display:none;
  }

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

  .hero {
    padding-top:110px;
  }

  .hero-image {
    max-width:480px;
  }

  .hero h1 {
    font-size:2.6rem;
  }
}

@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;
  }

  .btn {
    justify-content:center;
  }

  .hero h1 {
    font-size:2.2rem;
  }

  .section-title {
    font-size:1.8rem;
  }

  .stat-item {
    padding:20px 12px;
  }

  .stat-number {
    font-size:1.8rem;
  }

  .cta-banner {
    padding:40px 20px;
  }
}