/* ============================================================
   黑料爆料 · EVIDENCE TYPE 设计系统
   风格：档案纸感 / 硬边几何 / 荧光高亮 / 编辑部排版
   ============================================================ */

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

:root{
  --paper:#FBF7EC;
  --paper-2:#F2EBDD;
  --paper-3:#FFFFFF;
  --ink:#191227;
  --ink-2:rgba(25,18,39,.62);
  --ink-3:rgba(25,18,39,.32);
  --volt:#4B1FF0;
  --volt-soft:#E7E0FF;
  --acid:#D6FF3B;
  --acid-soft:#F2FFC4;
  --flame:#FF5A2C;
  --line:rgba(25,18,39,.14);
  --r:6px;
  --ease:cubic-bezier(.2,.85,.25,1);
}

body {
  font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--paper);
  background-image: radial-gradient(rgba(25,18,39,.055) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  line-height: 1.68;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-weight: 900;
  letter-spacing: -.024em;
  line-height: 1.14;
  color: var(--ink);
}

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

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb {
  background: var(--volt);
  border: 2px solid var(--paper-2);
  border-radius: 99px;
}

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

.section {
  padding: 92px 0;
  position: relative;
}
.section:nth-child(even) {
  background: rgba(255,255,255,.62);
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251,247,236,.9);
  backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1.5px solid var(--ink);
}
.site-header::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1.5px;
  height: 4px; width: 100%;
  background: linear-gradient(90deg,
    var(--volt) 0 38%,
    var(--acid) 38% 68%,
    var(--flame) 68% 100%);
  opacity: .9;
}

.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: 1.22rem;
  letter-spacing: -.03em;
  text-decoration: none;
  color: var(--ink);
}
.logo-icon {
  width: 38px; height: 38px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  background: var(--acid);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.logo:hover .logo-icon {
  transform: translate(2px,2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.main-nav a {
  text-decoration: none;
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-bottom: 3px;
  transition: color .2s var(--ease);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 3px;
  background: var(--acid);
  transition: width .28s var(--ease);
}
.main-nav a:hover { color: var(--volt); }
.main-nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 9px 22px;
  border-radius: 6px;
  color: #fff !important;
  font-weight: 700;
  background: var(--volt);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  transform: translate(2px,2px);
  box-shadow: 1px 1px 0 var(--ink);
  color: #fff;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 6px;
  background: var(--acid);
  border: 1.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-size: 1.05rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  padding: 152px 0 92px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '證據';
  position: absolute;
  right: -3%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(160px, 25vw, 400px);
  font-weight: 900;
  line-height: .78;
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(25,18,39,.075);
  pointer-events: none;
  user-select: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-content { max-width: 760px; }

.hero-eyebrow {
  display: inline-block;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
  background: var(--acid);
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  line-height: 1.06;
  margin-bottom: 24px;
}
.hero h1 em, .hero h1 strong {
  font-style: normal;
  position: relative;
  display: inline-block;
  z-index: 0;
}
.hero h1 em::before, .hero h1 strong::before {
  content: '';
  position: absolute;
  left: -.06em; right: -.06em;
  bottom: .05em;
  height: .42em;
  background: var(--acid);
  transform: skewX(-7deg);
  z-index: -1;
}

.hero p {
  font-size: 1.12rem;
  color: var(--ink-2);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-image {
  border-radius: var(--r);
  overflow: hidden;
  border: 1.5px solid var(--ink);
  box-shadow: 10px 10px 0 var(--acid), 10px 10px 0 1.5px var(--ink);
  background: var(--paper-3);
}
.hero-image img { width: 100%; height: auto; display: block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--r);
  font-weight: 800;
  font-size: .94rem;
  letter-spacing: .01em;
  cursor: pointer;
  border: 1.5px solid var(--ink);
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}
.btn-primary {
  background: var(--volt);
  color: #fff;
  box-shadow: 4px 4px 0 var(--ink);
}
.btn-primary:hover {
  transform: translate(3px,3px);
  box-shadow: 1px 1px 0 var(--ink);
  background: #3a12d6;
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  box-shadow: 4px 4px 0 var(--acid);
}
.btn-outline:hover {
  transform: translate(3px,3px);
  box-shadow: 1px 1px 0 var(--ink);
  background: var(--acid);
  color: var(--ink);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--volt);
  margin-bottom: 16px;
  padding-left: 28px;
  position: relative;
}
.section-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 17px; height: 17px;
  background: var(--acid);
  border: 1.5px solid var(--ink);
  border-radius: 3px;
}

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  margin-bottom: 16px;
}
.section-desc {
  max-width: 620px;
  color: var(--ink-2);
  font-size: 1.03rem;
  margin-bottom: 44px;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 20px;
  counter-reset: card;
}
.category-card {
  border-radius: var(--r);
  padding: 30px 28px;
  border: 1.5px solid var(--ink);
  background: var(--paper-3);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
  position: relative;
  counter-increment: card;
}
.category-card::before {
  content: counter(card, decimal-leading-zero);
  position: absolute;
  top: 16px; right: 20px;
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .1em;
  color: var(--ink-3);
}
.category-card:hover {
  transform: translate(-3px,-3px);
  box-shadow: 7px 7px 0 var(--volt);
}
.category-card h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}
.category-card p {
  font-size: .92rem;
  color: var(--ink-2);
  margin-bottom: 18px;
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.35rem;
  background: var(--acid-soft);
  border: 1.5px solid var(--ink);
}
.category-card:nth-child(3n+2) .card-icon { background: var(--volt-soft); }
.category-card:nth-child(3n) .card-icon { background: #FFE4DA; }

.card-link {
  font-weight: 800;
  font-size: .85rem;
  text-decoration: none;
  color: var(--volt);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--acid);
  padding-bottom: 2px;
  transition: gap .2s var(--ease), color .2s var(--ease);
}
.card-link::after { content: '→'; font-weight: 900; }
.card-link:hover { gap: 12px; color: var(--flame); }

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-image {
  border-radius: var(--r);
  overflow: hidden;
  border: 1.5px solid var(--ink);
  box-shadow: 9px 9px 0 var(--acid), 9px 9px 0 1.5px var(--ink);
  background: var(--paper-3);
}
.feature-image img { width: 100%; height: auto; display: block; }

.feature-text h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin-bottom: 16px; }
.feature-text > p { color: var(--ink-2); margin-bottom: 22px; }

.feature-list { list-style: none; }
.feature-list li {
  padding: 9px 0;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-weight: 600;
  font-size: .95rem;
}
.feature-list li::before {
  content: '✓';
  flex: 0 0 22px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--acid);
  color: var(--ink);
  font-size: .68rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--ink);
  margin-top: 3px;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
  text-align: center;
}
.stat-item {
  padding: 32px 18px;
  border-radius: var(--r);
  border: 1.5px solid var(--ink);
  background: var(--paper-3);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.stat-item:hover {
  transform: translate(-3px,-3px);
  box-shadow: 6px 6px 0 var(--acid);
}
.stat-number {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -.045em;
  color: var(--volt);
  line-height: 1.1;
}
.stat-item:nth-child(2) .stat-number { color: var(--flame); }
.stat-item:nth-child(3) .stat-number { color: var(--ink); }
.stat-item:nth-child(4) .stat-number { color: var(--volt); }
.stat-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--ink-2);
  margin-top: 8px;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap: 22px;
}
.content-wall-item {
  border-radius: var(--r);
  overflow: hidden;
  border: 1.5px solid var(--ink);
  background: var(--paper-3);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.content-wall-item:hover {
  transform: translate(-3px,-3px);
  box-shadow: 7px 7px 0 var(--flame);
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1.5px solid var(--ink);
}
.content-wall-body { padding: 22px; }
.content-wall-body h3 { font-size: 1.05rem; margin-bottom: 10px; }
.content-wall-body p { font-size: .92rem; color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1.5px solid var(--ink);
  border-radius: var(--r);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--paper-3);
  border-left: 8px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.faq-item:hover { border-left-color: var(--acid); }
.faq-item .faq-question {
  padding: 19px 24px;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--ink-2);
  font-size: .95rem;
}
.faq-item.open {
  background: var(--acid-soft);
  border-left-color: var(--volt);
  box-shadow: 6px 6px 0 var(--ink);
}
.faq-item.open .faq-answer { display: block; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding: 68px 40px;
  text-align: center;
  border-radius: 8px;
  color: var(--ink);
  background: var(--acid);
  border: 1.5px solid var(--ink);
  box-shadow: 11px 11px 0 var(--ink);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(25,18,39,.12) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
  opacity: .5;
  pointer-events: none;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 {
  color: var(--ink);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  margin-bottom: 14px;
}
.cta-banner p {
  max-width: 560px;
  margin: 0 auto 30px;
  color: rgba(25,18,39,.72);
  font-weight: 500;
}
.cta-banner .btn-primary {
  background: #fff;
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}
.cta-banner .btn-primary:hover {
  transform: translate(3px,3px);
  box-shadow: 2px 2px 0 var(--ink);
  background: var(--volt);
  color: #fff;
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 68px 0 28px;
  background-color: var(--paper-2);
  background-image: linear-gradient(90deg,
    var(--volt) 0 34%,
    var(--acid) 34% 67%,
    var(--flame) 67% 100%);
  background-repeat: no-repeat;
  background-size: 100% 6px;
  background-position: top left;
  border-top: 1.5px solid var(--ink);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  color: var(--ink-2);
  font-size: .92rem;
  max-width: 320px;
}
.footer-col h4 {
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-2);
  padding: 5px 0;
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-col a:hover {
  color: var(--volt);
  transform: translateX(4px);
}
.footer-bottom {
  border-top: 1.5px solid var(--line);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: .85rem;
  color: var(--ink-2);
}

/* ---------- 工具类 ---------- */
.text-accent { color: var(--volt); font-weight: 900; }
.text-center { text-align: center; }
.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  color: var(--ink-2);
  text-align: center;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero::before { opacity: .6; }
  .feature-block { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 68px 0; }

  .main-nav { display: none; }
  .menu-toggle { display: flex; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 72px; left: 0;
    width: 100%;
    background: var(--paper);
    border-bottom: 1.5px solid var(--ink);
    padding: 24px;
    gap: 18px;
    box-shadow: 0 8px 0 rgba(25,18,39,.06);
  }
  .main-nav.open a { font-size: 1rem; }

  .hero { padding: 132px 0 72px; min-height: auto; }
  .hero::before { display: none; }

  .feature-block { grid-template-columns: 1fr; gap: 36px; }
  .stats-bar { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }

  .cta-banner { padding: 52px 24px; box-shadow: 7px 7px 0 var(--ink); }
}

@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 { width: 100%; }
  .section-title { font-size: 1.6rem; }
  .category-card { padding: 24px 22px; }
  .cta-banner { box-shadow: 5px 5px 0 var(--ink); }
}