/* ==========================================================
   黑料网永久域名 — 设计系统
   "Neo-Sticker Editorial" 硬朗媒刊贴纸风
   ========================================================== */

/* ---------- 基础重置 ---------- */
*, *::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;
  background-image: radial-gradient(circle at 1px 1px, rgba(26, 26, 26, 0.04) 1px, transparent 0);
  background-size: 28px 28px;
  color: #1A1A1A;
  line-height: 1.65;
  font-size: 16px;
}

/* 页面顶部渐变色条 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF4D30, #FFD23F, #00C2A8);
  z-index: 9999;
}

::selection {
  background: #FFD23F;
  color: #1A1A1A;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #FFF9F0; }
::-webkit-scrollbar-thumb { background: #FF4D30; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #FF3A1A; }

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

.section {
  padding: 96px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #FFF2E5;
  border-top: 1px solid #F0E4D5;
  border-bottom: 1px solid #F0E4D5;
}

/* ---------- 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(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid #1A1A1A;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  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: #1A1A1A;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: #FF4D30;
  color: #FFF;
  transform: rotate(-8deg);
  box-shadow: 3px 3px 0 #1A1A1A;
  font-weight: 800;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  color: #1A1A1A;
  transition: all 0.2s;
  padding: 4px 8px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover {
  color: #1A1A1A;
  background: #FFD23F;
  border-bottom-color: #1A1A1A;
}

.nav-cta {
  padding: 10px 22px;
  border-radius: 40px;
  color: #1A1A1A !important;
  background: #FFD23F;
  border: 2px solid #1A1A1A;
  font-weight: 800 !important;
  box-shadow: 3px 3px 0 #1A1A1A;
  transition: all 0.2s !important;
}

.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 #1A1A1A;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: #FFF;
  border: 2px solid #1A1A1A;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  padding: 0;
  box-shadow: 2px 2px 0 #1A1A1A;
}

.menu-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 2px;
  background: #1A1A1A;
  box-shadow: 0 -7px 0 #1A1A1A, 0 7px 0 #1A1A1A;
}

/* ---------- 首页Hero ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  background:
    linear-gradient(90deg, rgba(255, 210, 63, 0.25) 1px, transparent 1px),
    linear-gradient(rgba(255, 210, 63, 0.25) 1px, transparent 1px),
    linear-gradient(135deg, #FFF9F0, #FFF2E5);
  background-size: 40px 40px, 40px 40px, 100% 100%;
  overflow: hidden;
}

/* 几何装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: 12%;
  right: -60px;
  width: 280px;
  height: 280px;
  background: #FFD23F;
  border-radius: 50%;
  border: 3px solid #1A1A1A;
  opacity: 0.35;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 8%;
  right: 12%;
  width: 100px;
  height: 100px;
  background: #00C2A8;
  border: 2px solid #1A1A1A;
  transform: rotate(18deg);
  opacity: 0.45;
  z-index: 0;
}

.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: 4px;
  margin-bottom: 20px;
  background: #FF4D30;
  color: #FFF;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transform: rotate(-2deg);
  box-shadow: 3px 3px 0 #1A1A1A;
  animation: heroPulse 2.5s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { transform: rotate(-2deg) scale(1); }
  50% { transform: rotate(-2deg) scale(1.04); }
}

.hero h1 {
  font-size: 3.6rem;
  line-height: 1.05;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.8;
  max-width: 560px;
  margin-bottom: 36px;
  border-left: 4px solid #FFD23F;
  padding-left: 16px;
  font-weight: 400;
}

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

.hero-image {
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid #1A1A1A;
  box-shadow: 8px 8px 0 #FFD23F;
  transform: rotate(1deg);
}

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 800;
  cursor: pointer;
  border: 2px solid #1A1A1A;
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.95rem;
  line-height: 1;
}

.btn-primary {
  background: #FF4D30;
  color: #FFF;
  box-shadow: 4px 4px 0 #1A1A1A;
}

.btn-primary:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #1A1A1A;
  background: #FF3A1A;
}

.btn-outline {
  background: transparent;
  border: 2px solid #1A1A1A;
  color: #1A1A1A;
  box-shadow: 4px 4px 0 #1A1A1A;
}

.btn-outline:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #1A1A1A;
  background: #FFD23F;
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: #FF4D30;
  background: #FFF;
  padding: 6px 14px;
  border: 2px solid #1A1A1A;
  box-shadow: 2px 2px 0 #1A1A1A;
}

.section-title {
  font-size: 2.6rem;
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.15;
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  margin-bottom: 40px;
  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: 0;
  padding: 28px;
  border: 2px solid #1A1A1A;
  background: #FFF;
  transition: all 0.15s;
  box-shadow: 4px 4px 0 #1A1A1A;
}

.category-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 #1A1A1A;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
  background: #FFD23F;
  border: 2px solid #1A1A1A;
}

.card-link {
  font-weight: 800;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF4D30;
  display: inline-block;
  margin-top: 8px;
}

.card-link:hover {
  text-decoration: underline;
}

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

.feature-image {
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid #1A1A1A;
  box-shadow: 6px 6px 0 #FFD23F;
}

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

.feature-text {
  position: relative;
}

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

.feature-list li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  border-bottom: 1px dashed #D8CFC0;
  font-size: 1rem;
}

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

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #00C2A8;
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #00C2A8;
  border-radius: 50%;
}

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

.stat-item {
  padding: 32px 20px;
  border-radius: 0;
  border: 2px solid #1A1A1A;
  background: #FFF;
  box-shadow: 4px 4px 0 #1A1A1A;
  transition: all 0.15s;
}

.stat-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 #FFD23F;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: #FF4D30;
  letter-spacing: -2px;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 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: 28px;
}

.content-wall-item {
  border-radius: 0;
  overflow: hidden;
  border: 2px solid #1A1A1A;
  transition: all 0.15s;
  background: #FFF;
  box-shadow: 4px 4px 0 #1A1A1A;
}

.content-wall-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 #FF4D30;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid #1A1A1A;
  filter: grayscale(60%);
  transition: filter 0.3s;
}

.content-wall-item:hover img {
  filter: grayscale(0%);
}

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

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.65;
}

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

.faq-item {
  border: 2px solid #1A1A1A;
  border-radius: 0;
  margin-bottom: 16px;
  overflow: hidden;
  cursor: pointer;
  background: #FFF;
  box-shadow: 3px 3px 0 rgba(26, 26, 26, 0.18);
  transition: box-shadow 0.2s;
}

.faq-item:hover {
  box-shadow: 5px 5px 0 #FFD23F;
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  background: #FFF;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  transition: transform 0.25s;
  color: #FF4D30;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  opacity: 0.75;
  line-height: 1.7;
}

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

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 0;
  color: #FFF;
  background: #FF4D30;
  border: 2px solid #1A1A1A;
  box-shadow: 8px 8px 0 #1A1A1A;
  position: relative;
}

.cta-banner::before {
  content: '//';
  position: absolute;
  top: -22px;
  left: 24px;
  font-size: 3rem;
  font-weight: 900;
  color: #FFD23F;
  text-shadow: 2px 2px 0 #1A1A1A;
  line-height: 1;
}

.cta-banner h2 {
  color: #FFF;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #FFF;
  color: #1A1A1A;
}

.cta-banner .btn-primary:hover {
  background: #FFD23F;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #1A1A1A;
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 28px;
  background: #FFF2E5;
  border-top: 2px solid #1A1A1A;
}

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

.footer-brand {
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

.footer-brand span {
  color: #FF4D30;
}

.footer-col h4 {
  margin-bottom: 14px;
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-left: 3px solid #FF4D30;
  padding-left: 10px;
}

.footer-col a {
  color: #555;
  text-decoration: none;
  display: block;
  padding: 4px 0;
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  color: #FF4D30;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid #E0D5C5;
  margin-top: 48px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #777;
}

.footer-bottom strong {
  color: #1A1A1A;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #FF4D30;
  font-weight: 800;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.75;
  font-size: 1.05rem;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .section {
    padding: 64px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
    flex-shrink: 0;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FFF9F0;
    padding: 24px;
    border-bottom: 2px solid #1A1A1A;
    gap: 16px;
    align-items: flex-start;
    box-shadow: 0 8px 24px rgba(26, 26, 26, 0.1);
  }

  .main-nav.open a {
    font-size: 1.05rem;
    width: 100%;
  }

  .nav-cta {
    margin-top: 8px;
  }

  .cta-banner {
    padding: 48px 20px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    justify-content: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .header-inner {
    height: 64px;
  }

  .main-nav.open {
    top: 64px;
  }

  .hero {
    padding-top: 88px;
  }

  .stat-number {
    font-size: 2.2rem;
  }
}