```css
/* ============================================================
   heiliao_黑料网yandex — Design System
   "黑耀锋芒，料定乾坤"
   Style: Graphic Print Lab / Neo-Brutalist Editorial
   Palette: Paper White · Coral Red · Deep Teal · Mustard
   ============================================================ */

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

html { scroll-behavior:smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color:#FCF8F3;
  background-image:radial-gradient(rgba(34,32,28,0.025) 1px, transparent 1px);
  background-size:28px 28px;
  color:#22201C;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::selection { background:#E8A020; color:#22201C; }

::-webkit-scrollbar { width:10px; }
::-webkit-scrollbar-track { background:#F2EBE0; }
::-webkit-scrollbar-thumb {
  background:#0F5D5C;
  border-radius:5px;
  border:2px solid #F2EBE0;
}

a { transition:all 0.2s ease; }

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

.section {
  padding:90px 0;
  position:relative;
}

.section:nth-child(even) {
  background:#F2EBE0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.5), inset 0 -1px 0 rgba(34,32,28,0.04);
}

/* ===== 导航 ===== */
.site-header {
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1000;
  background:rgba(252,248,243,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid #E8E0D4;
  box-shadow:0 1px 0 #FF4D2E;
}

.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:#22201C;
  letter-spacing:-0.02em;
}

.logo-icon {
  width:38px;
  height:38px;
  border-radius:6px 14px 6px 14px;
  background:#FF4D2E;
  color:#FCF8F3;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.05rem;
  font-weight:900;
  box-shadow:3px 3px 0 #0F5D5C;
  transition:all 0.3s cubic-bezier(0.68,-0.55,0.265,1.55);
}

.logo:hover .logo-icon {
  transform:rotate(-8deg) translate(-1px,-1px);
  box-shadow:5px 5px 0 #0F5D5C;
}

.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:#22201C;
  position:relative;
  padding:6px 0;
  letter-spacing:0.03em;
  transition:0.2s;
}

.main-nav a:not(.nav-cta)::after {
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:3px;
  background:#FF4D2E;
  transition:width 0.25s ease;
  border-radius:2px;
}

.main-nav a:not(.nav-cta):hover { color:#0F5D5C; }
.main-nav a:not(.nav-cta):hover::after { width:100%; }

.nav-cta {
  padding:10px 22px;
  border-radius:2px;
  color:#FCF8F3 !important;
  font-weight:800;
  background:#0F5D5C;
  box-shadow:3px 3px 0 #FF4D2E;
  transition:0.2s ease;
}

.nav-cta:hover {
  transform:translate(-2px,-2px);
  box-shadow:5px 5px 0 #FF4D2E;
}

.menu-toggle {
  display:none;
  background:none;
  border:2px solid #22201C;
  border-radius:4px;
  padding:6px 12px;
  font-size:1.2rem;
  cursor:pointer;
  color:#22201C;
  line-height:1;
  font-weight:700;
}

/* ===== 首页Hero ===== */
.hero {
  min-height:80vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
  padding:120px 0 90px;
  background:linear-gradient(135deg, rgba(242,235,224,0.6) 0%, rgba(252,248,243,0) 65%);
}

.hero::before {
  content:'料';
  position:absolute;
  right:-20px;
  top:50%;
  transform:translateY(-50%);
  font-size:380px;
  font-weight:900;
  line-height:1;
  color:rgba(15,93,92,0.05);
  pointer-events:none;
  z-index:0;
  letter-spacing:-0.1em;
  text-shadow:14px 10px 0 rgba(255,77,46,0.04);
  white-space:nowrap;
}

.hero::after {
  content:'';
  position:absolute;
  inset:0;
  background-image:linear-gradient(45deg, rgba(34,32,28,0.014) 25%, transparent 25%, transparent 75%, rgba(34,32,28,0.014) 75%);
  background-size:16px 16px;
  pointer-events:none;
  z-index:0;
}

.hero-content {
  max-width:720px;
  position:relative;
  z-index:1;
}

.hero-eyebrow {
  display:inline-block;
  font-size:0.8rem;
  font-weight:800;
  padding:8px 20px;
  border-radius:2px;
  background:#FF4D2E;
  color:#FCF8F3;
  letter-spacing:0.15em;
  text-transform:uppercase;
  box-shadow:4px 4px 0 #0F5D5C;
  margin-bottom:22px;
}

.hero h1 {
  font-size:clamp(2.2rem, 5vw, 3.6rem);
  font-weight:900;
  line-height:1.08;
  margin-bottom:22px;
  color:#22201C;
  letter-spacing:-0.04em;
  position:relative;
}

.hero h1::after {
  content:'';
  display:block;
  width:90px;
  height:6px;
  background:linear-gradient(135deg, #E8A020 0%, #FF4D2E 100%);
  margin-top:26px;
  border-radius:3px;
}

.hero p {
  font-size:1.1rem;
  opacity:0.75;
  max-width:520px;
  margin-bottom:36px;
  line-height:1.7;
  letter-spacing:0.02em;
}

.hero-buttons {
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}

.hero-image {
  border-radius:4px;
  overflow:hidden;
  border:2px solid #22201C;
  box-shadow:8px 8px 0 rgba(15,93,92,0.6);
  position:relative;
  z-index:1;
}

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

/* ===== 按钮 ===== */
.btn {
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 30px;
  border-radius:2px;
  font-weight:800;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:0.2s ease;
  letter-spacing:0.04em;
}

.btn-primary {
  background:#0F5D5C;
  color:#FCF8F3;
  box-shadow:4px 4px 0 #FF4D2E;
}

.btn-primary:hover {
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 #FF4D2E;
}

.btn-primary:active {
  transform:translate(2px,2px);
  box-shadow:2px 2px 0 #FF4D2E;
}

.btn-outline {
  background:transparent;
  border:2px solid #22201C;
  color:#22201C;
}

.btn-outline:hover {
  background:#E8A020;
  border-color:#E8A020;
  transform:translateY(-2px);
}

/* ===== 标签/标题 ===== */
.section-label {
  display:inline-block;
  font-size:0.72rem;
  font-weight:800;
  letter-spacing:0.24em;
  text-transform:uppercase;
  background:#FCF8F3;
  border:2px solid #22201C;
  box-shadow:3px 3px 0 #E8A020;
  padding:6px 16px;
  margin-bottom:18px;
  color:#0F5D5C;
}

.section-title {
  font-size:clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight:900;
  margin-bottom:16px;
  color:#22201C;
  letter-spacing:-0.02em;
  line-height:1.15;
  position:relative;
}

.section-title::after {
  content:'';
  display:inline-block;
  width:10px;
  height:10px;
  background:#FF4D2E;
  border-radius:2px;
  margin-left:14px;
  vertical-align:middle;
}

.section-desc {
  max-width:600px;
  opacity:0.75;
  margin-bottom:46px;
  line-height:1.7;
  font-size:1.02rem;
}

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

.category-card {
  background:#FCF8F3;
  border:2px solid #22201C;
  border-radius:2px;
  padding:32px 28px;
  box-shadow:5px 5px 0 rgba(34,32,28,0.1);
  transition:0.25s ease;
  display:flex;
  flex-direction:column;
  position:relative;
}

.category-card:hover {
  transform:rotate(-1deg) translateY(-3px);
  box-shadow:8px 8px 0 rgba(15,93,92,0.25);
  border-color:#0F5D5C;
}

.card-icon {
  width:52px;
  height:52px;
  border-radius:4px 14px 4px 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  font-size:1.4rem;
  background:#F2EBE0;
  border:2px solid #E8E0D4;
  color:#0F5D5C;
  transition:0.25s;
}

.category-card:hover .card-icon {
  background:#FF4D2E;
  border-color:#FF4D2E;
  color:#FCF8F3;
  transform:rotate(-5deg);
}

.category-card h3 {
  font-size:1.15rem;
  font-weight:800;
  margin-bottom:8px;
  letter-spacing:-0.01em;
}

.category-card p {
  font-size:0.9rem;
  opacity:0.7;
  flex:1;
  margin-bottom:16px;
  line-height:1.6;
}

.card-link {
  color:#0F5D5C;
  font-weight:800;
  font-size:0.85rem;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-bottom:2px;
  border-bottom:2px solid #E8A020;
  transition:0.2s;
}

.card-link::after {
  content:'→';
  color:#FF4D2E;
  font-weight:900;
  font-size:1.1rem;
  transition:0.2s;
}

.card-link:hover {
  color:#FF4D2E;
  border-color:#FF4D2E;
}

.card-link:hover::after {
  transform:translateX(4px);
}

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

.feature-image {
  border-radius:4px;
  overflow:hidden;
  border:2px solid #22201C;
  box-shadow:8px 8px 0 #0F5D5C;
  position:relative;
  transition:0.3s;
}

.feature-image:hover {
  transform:translate(-2px,-2px);
  box-shadow:10px 10px 0 #FF4D2E;
}

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

.feature-text {
  padding:8px 0;
}

.feature-text h3 {
  font-size:1.4rem;
  font-weight:800;
  margin-bottom:12px;
  letter-spacing:-0.01em;
  color:#22201C;
}

.feature-text p {
  opacity:0.75;
  margin-bottom:22px;
  line-height:1.7;
}

.feature-list {
  list-style:none;
  margin-top:4px;
}

.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:14px;
  font-weight:500;
  font-size:0.98rem;
}

.feature-list li::before {
  content:'✓';
  font-weight:900;
  color:#FCF8F3;
  background:#FF4D2E;
  width:26px;
  height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  font-size:0.75rem;
  box-shadow:2px 2px 0 rgba(15,93,92,0.4);
  flex-shrink:0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  text-align:center;
}

.stat-item {
  padding:34px 20px;
  border-radius:2px;
  background:#FCF8F3;
  border:2px solid #22201C;
  border-top:5px solid #FF4D2E;
  box-shadow:4px 4px 0 rgba(34,32,28,0.1);
  transition:0.25s ease;
  position:relative;
}

.stat-item:hover {
  transform:translateY(-5px);
  box-shadow:6px 6px 0 rgba(15,93,92,0.25);
}

.stat-number {
  font-size:2.5rem;
  font-weight:900;
  color:#0F5D5C;
  letter-spacing:-0.03em;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}

.stat-number::after {
  content:'+';
  color:#FF4D2E;
  font-weight:900;
  margin-left:2px;
}

.stat-label {
  font-size:0.9rem;
  opacity:0.65;
  margin-top:8px;
  font-weight:600;
  letter-spacing:0.06em;
}

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

.content-wall-item {
  border-radius:2px;
  overflow:hidden;
  background:#FCF8F3;
  border:2px solid #E8E0D4;
  transition:0.3s ease;
  position:relative;
}

.content-wall-item:hover {
  transform:rotate(0.4deg) translateY(-5px);
  box-shadow:0 10px 30px rgba(34,32,28,0.12), 4px 4px 0 rgba(255,77,46,0.2);
  border-color:#FF4D2E;
}

.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  border-bottom:3px solid #E8A020;
  transition:0.35s ease;
}

.content-wall-item:hover img {
  transform:scale(1.04);
  border-color:#FF4D2E;
}

.content-wall-body {
  padding:22px;
}

.content-wall-body h3 {
  font-size:1.05rem;
  font-weight:800;
  margin-bottom:8px;
  letter-spacing:-0.01em;
  color:#22201C;
}

.content-wall-body p {
  font-size:0.88rem;
  opacity:0.7;
  margin-bottom:14px;
  line-height:1.65;
}

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

.faq-item {
  background:#FCF8F3;
  border:2px solid #E8E0D4;
  border-radius:2px;
  margin-bottom:12px;
  overflow:hidden;
  cursor:pointer;
  transition:0.25s ease;
}

.faq-item:hover {
  border-color:#0F5D5C;
}

.faq-item.open {
  border-color:#0F5D5C;
  box-shadow:5px 5px 0 rgba(15,93,92,0.2);
}

.faq-item .faq-question {
  padding:20px 24px;
  font-weight:700;
  font-size:1rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  color:#22201C;
  letter-spacing:0.01em;
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.8rem;
  font-weight:400;
  color:#FF4D2E;
  transition:0.25s ease;
  line-height:1;
  flex-shrink:0;
}

.faq-item.open .faq-question::after {
  content:'−';
  color:#0F5D5C;
  transform:rotate(180deg);
}

.faq-item .faq-answer {
  padding:0 24px 20px;
  display:none;
  opacity:0.75;
  line-height:1.7;
  font-size:0.95rem;
  border-top:1px solid rgba(34,32,28,0.06);
  padding-top:16px;
  margin-top:4px;
}

.faq-item.open .faq-answer {
  display:block;
  animation:faqFade 0.3s ease;
}

@keyframes faqFade {
  from { opacity:0; transform:translateY(-6px); }
  to   { opacity:0.75; transform:translateY(0); }
}

/* ===== CTA横幅 ===== */
.cta-banner {
  padding:64px 24px;
  text-align:center;
  border-radius:2px;
  background:#FF4D2E;
  color:#FCF8F3;
  border:2px solid #22201C;
  box-shadow:8px 8px 0 #0F5D5C;
  position:relative;
  overflow:hidden;
}

.cta-banner::before {
  content:'✦';
  position:absolute;
  left:28px;
  top:50%;
  transform:translateY(-50%);
  font-size:3.2rem;
  color:rgba(252,248,243,0.18);
  pointer-events:none;
}

.cta-banner::after {
  content:'✦';
  position:absolute;
  right:28px;
  top:50%;
  transform:translateY(-50%);
  font-size:3.2rem;
  color:rgba(252,248,243,0.18);
  pointer-events:none;
}

.cta-banner h2 {
  color:#FCF8F3;
  font-size:clamp(1.6rem, 3vw, 2.2rem);
  font-weight:900;
  margin-bottom:16px;
  letter-spacing:-0.02em;
  position:relative;
  z-index:1;
}

.cta-banner h2::after {
  content:'';
  display:block;
  width:60px;
  height:4px;
  background:#E8A020;
  margin:16px auto 0;
  border-radius:2px;
}

.cta-banner p {
  color:rgba(252,248,243,0.85);
  max-width:500px;
  margin:0 auto 34px;
  font-size:1.05rem;
  position:relative;
  z-index:1;
  line-height:1.7;
}

.cta-banner .btn-primary {
  background:#FCF8F3;
  color:#FF4D2E;
  box-shadow:4px 4px 0 rgba(34,32,28,0.25);
  border:2px solid #22201C;
  position:relative;
  z-index:1;
}

.cta-banner .btn-primary:hover {
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 rgba(34,32,28,0.35);
  background:#E8A020;
}

/* ===== 页脚 ===== */
.site-footer {
  background:#F2EBE0;
  padding:56px 0 28px;
  border-top:4px solid #0F5D5C;
  position:relative;
}

.site-footer::before {
  content:'✛';
  display:block;
  position:absolute;
  top:-24px;
  left:50%;
  transform:translateX(-50%);
  width:44px;
  height:44px;
  background:#FF4D2E;
  color:#FCF8F3;
  font-size:1.5rem;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
  border:2px solid #22201C;
  border-radius:50%;
  box-shadow:3px 3px 0 #0F5D5C;
  z-index:2;
}

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

.footer-brand {
  padding-right:20px;
}

.footer-brand .logo {
  margin-bottom:16px;
}

.footer-brand p {
  font-size:0.92rem;
  opacity:0.7;
  line-height:1.7;
  max-width:280px;
}

.footer-col h4 {
  font-size:0.9rem;
  font-weight:800;
  color:#0F5D5C;
  margin-bottom:16px;
  letter-spacing:0.1em;
  position:relative;
  padding-bottom:10px;
}

.footer-col h4::after {
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:28px;
  height:3px;
  background:#FF4D2E;
  border-radius:2px;
}

.footer-col ul {
  list-style:none;
}

.footer-col ul li {
  margin-bottom:8px;
}

.footer-col ul a {
  color:#22201C;
  text-decoration:none;
  font-size:0.9rem;
  opacity:0.75;
  transition:0.2s;
  padding:2px 0;
  display:inline-block;
}

.footer-col ul a:hover {
  color:#FF4D2E;
  opacity:1;
  padding-left:6px;
}

.footer-bottom {
  border-top:1px solid rgba(34,32,28,0.15);
  margin-top:44px;
  padding-top:22px;
  text-align:center;
  font-size:0.85rem;
  color:rgba(34,32,28,0.7);
}

.footer-bottom a {
  color:#0F5D5C;
  text-decoration:none;
  font-weight:700;
}

.footer-bottom a:hover {
  color:#FF4D2E;
}

/* ===== 工具类 ===== */
.text-accent {
  color:#FF4D2E;
  font-weight:800;
}

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

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

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

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .section { padding:72px 0; }
  .hero { padding:110px 0 64px; }
  .hero::before { font-size:240px; right:-40px; }
  .footer-grid { grid-template-columns:2fr 1fr 1fr; gap:32px; }
  .footer-brand { grid-column:1 / -1; }
}

@media (max-width: 768px) {
  .header-inner { padding:0 16px; }

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

  .stats-bar {
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }

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

  .main-nav {
    display:none;
  }

  .menu-toggle {
    display:flex;
    align-items:center;
    gap:6px;
  }

  .main-nav.open {
    display:flex;
    flex-direction:column;
    position:absolute;
    top:72px;
    left:0;
    width:100%;
    background:#FCF8F3;
    padding:24px;
    gap:6px;
    border-bottom:2px solid #FF4D2E;
    box-shadow:0 10px 30px rgba(34,32,28,0.08);
  }

  .main-nav.open a {
    padding:10px 0;
    font-size:1rem;
  }

  .main-nav.open .nav-cta {
    display:inline-flex;
    justify-content:center;
    margin-top:8px;
  }

  .hero { min-height:auto; }
  .hero h1 { font-size:2.2rem; }
  .hero p { font-size:1rem; }
  .hero-buttons { flex-wrap:wrap; }

  .section-title { font-size:1.7rem; }
  .cta-banner { padding:48px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
  .cta-banner::before,
  .cta-banner::after { display:none; }

  .site-footer::before { display:none; }
}

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

  .footer-grid {
    grid-template-columns:1fr;
    gap:28px;
  }

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

  .btn {
    justify-content:center;
  }

  .hero-eyebrow {
    font-size:0.72rem;
    padding:6px 16px;
  }

  .hero h1 { font-size:1.9rem; }

  .section-label {
    font-size:0.65rem;
    padding:5px 12px;
  }

  .stat-number { font-size:2rem; }

  .content-wall-item img { height:180px; }
}