/* =========================================================
   网曝黑料 · 编辑部解构风设计系统
   Palette: 纸白 / 电光青柠 / 珊瑚红 / 电子紫
   Style: 硬边编辑排版 + 硬投影 + 撕开表象的图层感
   ========================================================= */

:root{
  --paper:#F6F2E9;
  --paper-2:#ECE6D6;
  --paper-3:#FBF9F3;
  --ink:#15141A;
  --ink-soft:rgba(21,20,26,.66);
  --lime:#CCFF33;
  --coral:#FF4E2B;
  --violet:#4B22E0;
  --sky:#B9E2FF;
  --line:2px solid var(--ink);
  --shadow:7px 7px 0 var(--ink);
  --shadow-sm:4px 4px 0 var(--ink);
  --shadow-hover:11px 11px 0 var(--ink);
}

/* ================= 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; }

body{
  background-color:var(--paper);
  background-image:
    radial-gradient(rgba(21,20,26,.09) 1px, transparent 1px),
    radial-gradient(rgba(21,20,26,.05) 1px, transparent 1px);
  background-size:22px 22px, 22px 22px;
  background-position:0 0, 11px 11px;
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  scroll-behavior:smooth;
}

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

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

/* ================= 核心布局 ================= */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f8f9fa; }

.section:nth-child(even){
  background:#F1EDE1;
  border-top:var(--line);
  border-bottom:var(--line);
}

.section:nth-child(even)::before{
  content:'';
  position:absolute; inset:0;
  background-image:repeating-linear-gradient(
    -45deg,
    rgba(21,20,26,.035) 0 2px,
    transparent 2px 12px
  );
  pointer-events:none;
}

.section > .container{ position:relative; z-index:1; }

/* ================= 导航 ================= */
.site-header {
  position:fixed; top:0; left:0; width:100%;
  z-index:1000;
  background:rgba(246,242,233,0.92);
  backdrop-filter:blur(10px);
  border-bottom:var(--line);
  transition:transform .3s ease;
}
.site-header::after{
  content:'';
  position:absolute; left:0; bottom:-2px; height:4px; width:100%;
  background:linear-gradient(90deg,var(--lime) 0 34%,var(--coral) 34% 67%,var(--violet) 67% 100%);
  opacity:.9;
}
.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:1.15rem; letter-spacing:-.02em; text-decoration:none; color:inherit; }
.logo-icon {
  width:36px; height:36px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:900;
  background:var(--lime);
  border:var(--line);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-6deg);
  transition:transform .25s ease;
}
.logo:hover .logo-icon{ transform:rotate(6deg) scale(1.05); }
.logo span:last-child, .logo strong{ letter-spacing:-.03em; }

.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a {
  text-decoration:none;
  font-size:.92rem;
  font-weight:600;
  color:var(--ink);
  position:relative;
  padding-bottom:3px;
  transition:0.2s;
}
.main-nav a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:6px;
  background:var(--lime);
  z-index:-1;
  transition:width .25s cubic-bezier(.6,0,.2,1);
}
.main-nav a:hover::after{ width:100%; }
.main-nav a:hover{ color:var(--violet); }

.nav-cta {
  padding:8px 20px;
  border-radius:8px;
  color:#fff!important;
  font-weight:700;
  background:var(--violet);
  border:var(--line);
  box-shadow:3px 3px 0 var(--ink);
  transition:.18s ease;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{
  background:var(--coral);
  color:#fff!important;
  transform:translate(-2px,-2px);
  box-shadow:5px 5px 0 var(--ink);
}

.menu-toggle {
  display:none;
  align-items:center; justify-content:center;
  width:42px; height:42px;
  background:var(--lime);
  border:var(--line);
  box-shadow:var(--shadow-sm);
  border-radius:8px;
  cursor:pointer;
  font-size:1.1rem;
  font-weight:900;
  color:var(--ink);
}

/* ================= 首页 Hero ================= */
.hero {
  min-height:70vh;
  display:flex;
  align-items:center;
  position:relative;
  padding:140px 0 90px;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  width:520px; height:520px;
  right:-160px; top:40px;
  background:radial-gradient(circle at 30% 30%, var(--lime), transparent 70%);
  border-radius:50%;
  filter:blur(10px);
  opacity:.75;
  pointer-events:none;
}
.hero::after{
  content:'真相';
  position:absolute;
  right:-30px; bottom:-40px;
  font-size:14rem;
  font-weight:900;
  letter-spacing:-.06em;
  color:transparent;
  -webkit-text-stroke:2px rgba(21,20,26,.10);
  pointer-events:none;
  line-height:1;
}
.hero .container{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-content { max-width:720px; }

.hero-eyebrow {
  display:inline-block;
  font-size:0.82rem;
  font-weight:800;
  letter-spacing:.14em;
  padding:4px 14px;
  border-radius:20px;
  margin-bottom:16px;
  background:var(--lime);
  border:var(--line);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-1.5deg);
}
.hero h1 {
  font-size:clamp(2.1rem, 5.4vw, 4.2rem);
  line-height:1.12;
  letter-spacing:-.045em;
  font-weight:900;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  display:inline-block;
  background:linear-gradient(transparent 58%, var(--lime) 58% 92%, transparent 92%);
  padding:0 .1em;
}
.hero p {
  font-size:1.1rem;
  color:var(--ink-soft);
  max-width:560px;
  margin-bottom:32px;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }

.hero-image {
  border-radius:12px;
  overflow:hidden;
  border:var(--line);
  box-shadow:var(--shadow);
  background:var(--paper-3);
  transform:rotate(1.2deg);
  transition:transform .4s cubic-bezier(.2,.8,.2,1);
}
.hero-image:hover{ transform:rotate(0deg) translate(-3px,-3px); box-shadow:var(--shadow-hover); }
.hero-image img { width:100%; height:auto; }
.hero-image img, .feature-image img{
  filter:grayscale(.35) contrast(1.05);
  transition:filter .4s ease, transform .5s ease;
}
.hero-image:hover img, .feature-image:hover img{
  filter:grayscale(0) contrast(1.1);
  transform:scale(1.02);
}

/* ================= 按钮 ================= */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  border-radius:8px;
  font-weight:700;
  font-size:.95rem;
  cursor:pointer;
  border:var(--line);
  text-decoration:none;
  transition:0.2s cubic-bezier(.2,.8,.2,1);
  position:relative;
}
.btn-primary {
  color:#fff;
  background:var(--coral);
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--ink);
  background:var(--violet);
}
.btn-outline {
  background:var(--paper-3);
  border:1.5px solid var(--ink);
  color:var(--ink);
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{
  background:var(--lime);
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--ink);
}

/* ================= 标签 / 标题 ================= */
.section-label {
  display:inline-block;
  font-size:0.78rem;
  font-weight:800;
  letter-spacing:.28em;
  margin-bottom:14px;
  color:var(--violet);
  text-transform:uppercase;
}
.section-label::before{
  content:'///';
  letter-spacing:0;
  margin-right:8px;
  color:var(--coral);
}
.section-title {
  font-size:clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight:900;
  letter-spacing:-.035em;
  line-height:1.18;
  margin-bottom:14px;
}
.section-title::after{
  content:'';
  display:block;
  width:64px; height:8px;
  margin-top:16px;
  background:repeating-linear-gradient(90deg, var(--ink) 0 8px, transparent 8px 14px);
}
.text-center .section-title::after{ margin-left:auto; margin-right:auto; }
.section-desc {
  max-width:600px;
  color:var(--ink-soft);
  margin-bottom:40px;
  font-size:1.02rem;
}
.text-center .section-desc{ margin-left:auto; margin-right:auto; }

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

.category-card {
  border-radius:12px;
  padding:28px;
  background:var(--paper-3);
  border:var(--line);
  box-shadow:var(--shadow-sm);
  transition:0.22s cubic-bezier(.2,.8,.2,1);
  position:relative;
  overflow:hidden;
}
.category-card::before{
  content:'';
  position:absolute; top:0; right:0;
  width:56px; height:56px;
  background:var(--lime);
  clip-path:polygon(100% 0, 0 0, 100% 100%);
  opacity:0;
  transition:opacity .25s ease;
}
.category-card:hover {
  transform:translate(-4px,-4px);
  box-shadow:var(--shadow-hover);
}
.category-card:hover::before{ opacity:1; }
.category-card:nth-child(3n+2):hover{ box-shadow:11px 11px 0 var(--coral); }
.category-card:nth-child(3n+3):hover{ box-shadow:11px 11px 0 var(--violet); }

.card-icon {
  width:48px; height:48px;
  border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
  font-size:1.3rem;
  background:var(--sky);
  border:var(--line);
  box-shadow:3px 3px 0 var(--ink);
}
.category-card:nth-child(3n+2) .card-icon{ background:var(--lime); }
.category-card:nth-child(3n+3) .card-icon{ background:#FFD3C9; }

.category-card h3{
  font-size:1.12rem;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:8px;
}
.category-card p{
  font-size:.92rem;
  color:var(--ink-soft);
  margin-bottom:16px;
}
.card-link {
  font-weight:800;
  font-size:0.85rem;
  letter-spacing:.02em;
  text-decoration:none;
  color:var(--violet);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link::after{
  content:'→';
  transition:transform .22s ease;
}
.card-link:hover::after{ transform:translateX(5px); }
.card-link:hover{ color:var(--coral); }

/* ================= 特性块 ================= */
.feature-block {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.feature-image {
  border-radius:12px;
  overflow:hidden;
  border:var(--line);
  box-shadow:var(--shadow);
  background:var(--paper-3);
}
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-text h3{
  font-size:clamp(1.4rem,2.6vw,2rem);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.2;
  margin-bottom:14px;
}
.feature-text p{
  color:var(--ink-soft);
  margin-bottom:22px;
}
.feature-list { list-style:none; }
.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.96rem;
  font-weight:500;
  border-bottom:1px dashed rgba(21,20,26,.16);
}
.feature-list li:last-child{ border-bottom:none; }
.feature-list li::before {
  content:'✓';
  font-weight:900;
  flex:0 0 auto;
  width:22px; height:22px;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--lime);
  border:1.5px solid var(--ink);
  border-radius:50%;
  font-size:.72rem;
  margin-top:3px;
}

/* ================= 数据条 ================= */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item {
  padding:24px 16px;
  border-radius:12px;
  border:var(--line);
  background:var(--paper-3);
  box-shadow:var(--shadow-sm);
  transition:.22s ease;
  position:relative;
  overflow:hidden;
}
.stat-item::before{
  content:'';
  position:absolute; top:0; left:0;
  width:100%; height:7px;
  background:var(--ink);
}
.stat-item:nth-child(1)::before{ background:var(--lime); }
.stat-item:nth-child(2)::before{ background:var(--coral); }
.stat-item:nth-child(3)::before{ background:var(--violet); }
.stat-item:nth-child(4)::before{ background:var(--sky); }
.stat-item:hover{
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 var(--ink);
}
.stat-number {
  font-size:clamp(1.9rem,3.6vw,2.6rem);
  font-weight:900;
  letter-spacing:-.05em;
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-item:nth-child(2) .stat-number{ color:var(--coral); }
.stat-item:nth-child(3) .stat-number{ color:var(--violet); }
.stat-label {
  font-size:0.88rem;
  font-weight:600;
  color:var(--ink-soft);
  margin-top:8px;
  letter-spacing:.02em;
}

/* ================= 内容墙 ================= */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item {
  border-radius:12px;
  overflow:hidden;
  background:var(--paper-3);
  border:var(--line);
  box-shadow:var(--shadow-sm);
  transition:0.22s cubic-bezier(.2,.8,.2,1);
}
.content-wall-item:hover {
  transform:translate(-4px,-4px);
  box-shadow:var(--shadow-hover);
}
.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  filter:grayscale(1) contrast(1.12) brightness(.98);
  transition:filter .45s ease, transform .6s ease;
  border-bottom:var(--line);
}
.content-wall-item:hover img{
  filter:grayscale(0) contrast(1.05) saturate(1.15);
  transform:scale(1.04);
}
.content-wall-body { padding:20px; }
.content-wall-body h3{
  font-size:1.05rem;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.35;
  margin-bottom:8px;
}
.content-wall-body p{
  font-size:.9rem;
  color:var(--ink-soft);
}
.content-wall-body .card-link{ margin-top:12px; }

/* ================= FAQ ================= */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  border:var(--line);
  border-radius:10px;
  margin-bottom:10px;
  overflow:hidden;
  cursor:pointer;
  background:var(--paper-3);
  box-shadow:3px 3px 0 rgba(21,20,26,.9);
  transition:.2s ease;
}
.faq-item:hover{
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--ink);
}
.faq-item .faq-question {
  padding:16px 20px;
  font-weight:800;
  letter-spacing:-.01em;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.faq-item .faq-question::after{
  content:'+';
  flex:0 0 auto;
  width:26px; height:26px;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--lime);
  border:1.5px solid var(--ink);
  border-radius:50%;
  font-weight:900;
  font-size:1rem;
  line-height:1;
  transition:transform .3s ease;
}
.faq-item.open .faq-question::after{
  content:'−';
  background:var(--coral);
  color:#fff;
  transform:rotate(180deg);
}
.faq-item .faq-answer {
  padding:0 20px 16px;
  display:none;
  color:var(--ink-soft);
  font-size:.94rem;
  border-top:1px dashed rgba(21,20,26,.2);
  padding-top:14px;
  margin:0 20px 16px;
  padding-left:0; padding-right:0;
}
.faq-item.open{ background:#FFFDF6; }
.faq-item.open .faq-answer { display:block; }

/* ================= CTA 横幅 ================= */
.cta-banner {
  padding:56px 24px;
  text-align:center;
  border-radius:12px;
  color:#fff;
  background:var(--violet);
  border:var(--line);
  box-shadow:9px 9px 0 var(--ink);
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:'';
  position:absolute; inset:0;
  background-image:repeating-linear-gradient(
    -45deg,
    rgba(255,255,255,.09) 0 3px,
    transparent 3px 16px
  );
  pointer-events:none;
}
.cta-banner > *{ position:relative; z-index:1; }
.cta-banner h2 {
  color:#fff;
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  font-weight:900;
  letter-spacing:-.035em;
  margin-bottom:14px;
}
.cta-banner p{
  color:rgba(255,255,255,.82);
  max-width:520px;
  margin:0 auto 28px;
}
.cta-banner .btn-primary { background:#fff; color:var(--ink); }
.cta-banner .btn-primary{ background:var(--lime); color:var(--ink); }
.cta-banner .btn-primary:hover{ background:var(--coral); color:#fff; }

/* ================= 页脚 ================= */
.site-footer {
  padding:56px 0 28px;
  background:var(--paper-2);
  border-top:var(--line);
  position:relative;
}
.site-footer::before{
  content:'';
  position:absolute; top:-2px; left:0; width:100%; height:5px;
  background:linear-gradient(90deg,var(--coral) 0 25%,var(--lime) 25% 55%,var(--violet) 55% 80%,var(--sky) 80% 100%);
}
.site-footer .container { position:relative; z-index:1; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand p{
  color:var(--ink-soft);
  font-size:.92rem;
  margin-top:14px;
  max-width:320px;
}
.footer-brand .logo{ font-size:1.1rem; }
.footer-col { }
.footer-col h4{
  font-size:.82rem;
  font-weight:900;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:16px;
  color:var(--violet);
}
.footer-col ul{ list-style:none; }
.footer-col li{ margin-bottom:9px; }
.footer-col a{
  text-decoration:none;
  color:var(--ink-soft);
  font-size:.9rem;
  transition:.18s ease;
  display:inline-block;
}
.footer-col a:hover{
  color:var(--ink);
  background:var(--lime);
  transform:translateX(4px);
  box-shadow:2px 2px 0 var(--ink);
  padding:0 4px;
}
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.1);
  margin-top:40px;
  padding-top:20px;
  text-align:center;
  font-size:0.85rem;
}
.footer-bottom{
  border-top:2px dashed rgba(21,20,26,.22);
  color:var(--ink-soft);
  letter-spacing:.02em;
}

/* ================= 工具类 ================= */
.text-accent { color:var(--coral); }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; color:var(--ink-soft); }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条 */
::-webkit-scrollbar{ width:12px; }
::-webkit-scrollbar-track{ background:var(--paper-2); }
::-webkit-scrollbar-thumb{ background:var(--ink); border:3px solid var(--paper-2); border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background:var(--violet); }

/* =========================================================
   ⚠️ 响应式
   ========================================================= */
@media (max-width: 992px){
  .hero .container{ grid-template-columns:1fr; gap:40px; }
  .hero::after{ font-size:9rem; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px) {
  .section{ padding:60px 0; }
  .hero{ padding:120px 0 70px; }
  .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;
    align-items:stretch;
    position:absolute;
    top:68px; left:0;
    width:100%;
    background:var(--paper);
    border-bottom:var(--line);
    padding:20px 24px 26px;
    gap:6px;
  }
  .main-nav.open a{
    padding:12px 4px;
    border-bottom:1px dashed rgba(21,20,26,.18);
    font-size:1rem;
  }
  .main-nav.open .nav-cta{
    margin-top:14px;
    text-align:center;
    justify-content:center;
    border-bottom:none;
    padding:12px 20px;
  }
}

@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::after{ display:none; }
  .cta-banner{ padding:40px 18px; }
}