/* ============================================================
   破薪阁 — 全局样式表
   主色调：暖米色 #FDF8F0 / 柔和棕 #D4A574 / 深灰 #3E3E3E
   移动优先，响应式布局
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: #3e3e3e;
  background-color: #fdf8f0;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

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

/* --- 导航栏 --- */
.navbar {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #3e3e3e;
  letter-spacing: 1px;
}

.logo .logo-icon {
  color: #d4a574;
  margin-right: 4px;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  font-size: 0.95rem;
  color: #555;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #d4a574;
  border-bottom-color: #d4a574;
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #3e3e3e;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- 容器 --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- 主内容区 --- */
.main-content {
  flex: 1;
}

/* --- 英雄区 --- */
.hero {
  text-align: center;
  padding: 64px 20px 48px;
}

.hero h1 {
  font-size: 2rem;
  color: #3e3e3e;
  margin-bottom: 12px;
  line-height: 1.4;
}

.hero .subtitle {
  font-size: 1.1rem;
  color: #7a7a7a;
  max-width: 500px;
  margin: 0 auto;
}

/* --- 区块标题 --- */
.section-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #3e3e3e;
  margin-bottom: 8px;
}

.section-desc {
  text-align: center;
  color: #888;
  font-size: 0.95rem;
  margin-bottom: 32px;
}

/* --- 卡片 --- */
.card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

/* --- 卡片网格 --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  padding: 0 0 48px;
}

/* --- 搞钱案例卡片 --- */
.case-card .case-tag {
  display: inline-block;
  background: #fdf3e4;
  color: #d4a574;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.case-card p {
  font-size: 0.9rem;
  color: #777;
  line-height: 1.6;
}

/* --- 资料卡片 --- */
.resource-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.resource-card p {
  font-size: 0.88rem;
  color: #777;
  margin-bottom: 14px;
}

.resource-card .category-label {
  display: inline-block;
  font-size: 0.75rem;
  background: #f0ebe4;
  color: #8b7355;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}

/* --- 按钮 --- */
.btn {
  display: inline-block;
  padding: 10px 28px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.2s, color 0.2s, transform 0.15s;
  text-align: center;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: #d4a574;
  color: #fff;
}

.btn-primary:hover {
  background: #c08f5c;
}

.btn-outline {
  background: transparent;
  border: 2px solid #d4a574;
  color: #d4a574;
}

.btn-outline:hover {
  background: #d4a574;
  color: #fff;
}

.btn-ghost {
  background: #f5ebe0;
  color: #8b6f4e;
  padding: 8px 20px;
  font-size: 0.88rem;
}

.btn-ghost:hover {
  background: #ebd9c5;
}

/* --- 今日回声 --- */
.echo-section {
  background: #fff;
  border-radius: 20px;
  padding: 36px 24px;
  margin: 0 0 48px;
  text-align: center;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.echo-label {
  font-size: 0.85rem;
  color: #aaa;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.echo-text {
  font-size: 1.15rem;
  color: #5a4a3a;
  font-style: italic;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

.echo-text::before {
  content: open-quote;
  color: #d4a574;
  font-size: 1.5rem;
}

.echo-text::after {
  content: close-quote;
  color: #d4a574;
  font-size: 1.5rem;
}

/* --- 页脚 --- */
.footer {
  background: #fff;
  padding: 32px 20px;
  text-align: center;
  border-top: 1px solid #f0ebe4;
  margin-top: auto;
}

.footer .contact {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 8px;
}

.footer .contact span {
  margin: 0 12px;
}

.footer .copyright {
  font-size: 0.8rem;
  color: #aaa;
}

/* --- 页面头部 --- */
.page-header {
  text-align: center;
  padding: 48px 20px 24px;
}

.page-header h1 {
  font-size: 1.8rem;
  color: #3e3e3e;
  margin-bottom: 8px;
}

.page-header p {
  color: #888;
  font-size: 1rem;
}

/* --- 案例详情页 --- */
.article-detail {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

.article-detail h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.article-detail .article-meta {
  font-size: 0.85rem;
  color: #aaa;
  margin-bottom: 24px;
}

.article-detail .article-body p {
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.9;
  color: #4a4a4a;
}

.back-link {
  display: inline-block;
  color: #d4a574;
  font-size: 0.95rem;
  margin-bottom: 20px;
  transition: color 0.2s;
}

.back-link:hover {
  color: #b08050;
}



/* --- 案例列表页筛选 --- */
.category-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.category-filter button {
  background: #fff;
  border: 1px solid #e0d5c5;
  color: #777;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.category-filter button:hover,
.category-filter button.active {
  background: #d4a574;
  border-color: #d4a574;
  color: #fff;
}

/* --- 资料分类标签栏 --- */
.resource-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.resource-tabs button {
  background: #fff;
  border: 1px solid #e0d5c5;
  color: #777;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
}

.resource-tabs button:hover,
.resource-tabs button.active {
  background: #d4a574;
  border-color: #d4a574;
  color: #fff;
}

/* --- 响应式 --- */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transform: translateY(-100%);
    transition: transform 0.35s ease;
    z-index: 100;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    font-size: 1.15rem;
  }

  .hero {
    padding: 44px 20px 32px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .echo-text {
    font-size: 1.05rem;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}