/* ============================================================
   黑料不打样 · 真相档案设计系统
   风格：编辑部档案风 / 新粗野主义 × 杂志排版
   底色：暖纸张米白 · 强调：珊瑚焰红 / 电光紫 / 酸性青柠
   ============================================================ */

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

:root{
  --paper:#FBF7F0;
  --paper-2:#F3EDE3;
  --paper-3:#F0ECFF;
  --ink:#181228;
  --ink-soft:rgba(24,18,40,0.62);
  --ink-line:rgba(24,18,40,0.14);
  --flame:#FF4B2B;
  --violet:#5B2CE0;
  --lime:#C6FF3D;
  --sky:#E7E1FF;
  --blush:#FFE7E0;
  --shadow-hard:6px 6px 0 var(--ink);
  --radius:14px;
}

html{ scroll-behavior:smooth; scroll-padding-top:88px; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(700px 460px at 8% -4%, rgba(198,255,61,0.40), transparent 62%),
    radial-gradient(620px 420px at 96% 4%, rgba(255,75,43,0.16), transparent 60%),
    radial-gradient(900px 620px at 50% 108%, rgba(91,44,224,0.13), transparent 66%);
  background-attachment:fixed;
}

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

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

/* ---------- 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:linear-gradient(180deg, rgba(240,236,255,0.55), rgba(243,237,227,0.75)); }

/* 章节分隔：细密档案横线 */
.section:nth-child(even)::before{
  content:"";
  position:absolute; inset:0 0 auto 0; height:1px;
  background:repeating-linear-gradient(90deg, var(--ink) 0 10px, transparent 10px 20px);
  opacity:.22;
}

/* ---------- 导航 ---------- */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,247,240,0.88);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:2px solid var(--ink);
}
.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:1.14rem; letter-spacing:-0.02em;
  text-decoration:none; color:inherit;
}
.logo-icon {
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; color:#fff;
  background:linear-gradient(140deg, var(--violet) 0%, var(--flame) 100%);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .25s cubic-bezier(.2,.9,.3,1.4);
}
.logo:hover .logo-icon{ transform:rotate(-8deg) scale(1.06); }

.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a {
  text-decoration:none; font-size:0.9rem; font-weight:600;
  letter-spacing:0.01em; transition:0.2s; position:relative; padding:4px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--flame); transition:width .28s ease;
}
.main-nav a:hover{ color:var(--violet); }
.main-nav a:hover::after{ width:100%; }

.nav-cta {
  padding:9px 20px; border-radius:10px;
  color:#fff !important; font-weight:800;
  background:var(--violet);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .18s ease, box-shadow .18s ease, background .2s ease;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{
  background:var(--flame);
  transform:translate(-1px,-1px);
  box-shadow:5px 5px 0 var(--ink);
}
.menu-toggle {
  display:none; width:40px; height:40px; align-items:center; justify-content:center;
  border:2px solid var(--ink); border-radius:10px; background:#fff;
  font-size:1.1rem; cursor:pointer; box-shadow:3px 3px 0 var(--ink);
}

/* ---------- 首页 Hero ---------- */
.hero {
  min-height:70vh; display:flex; align-items:center;
  padding-top:120px; padding-bottom:80px;
  position:relative; overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; right:-140px; top:60px; width:420px; height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%, rgba(198,255,61,0.85), rgba(91,44,224,0.25) 60%, transparent 72%);
  filter:blur(4px); z-index:0; pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow {
  display:inline-block; font-size:0.78rem; font-weight:800;
  letter-spacing:0.22em; text-transform:uppercase;
  padding:6px 16px; border-radius:999px; margin-bottom:22px;
  color:var(--ink); background:var(--lime);
  border:2px solid var(--ink);
  box-shadow:4px 4px 0 var(--ink);
  transform:rotate(-1.6deg);
}
.hero h1 {
  font-size:clamp(2.2rem, 6vw, 4.2rem);
  line-height:1.04; letter-spacing:-0.035em;
  font-weight:900; margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--flame);
  background:linear-gradient(transparent 62%, var(--lime) 62%);
  padding:0 .06em;
}
.hero p {
  font-size:1.08rem; color:var(--ink-soft);
  max-width:560px; margin-bottom:34px;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image {
  border-radius:var(--radius); overflow:hidden;
  border:2px solid var(--ink); box-shadow:var(--shadow-hard);
}
.hero-image img { width:100%; height:auto; }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 30px; border-radius:12px;
  font-weight:800; font-size:0.95rem; cursor:pointer;
  border:2px solid var(--ink); text-decoration:none;
  transition:transform .18s cubic-bezier(.2,.9,.3,1.3), box-shadow .18s ease, background .2s ease, color .2s ease;
}
.btn-primary {
  color:#fff;
  background:var(--flame);
  box-shadow:5px 5px 0 var(--ink);
}
.btn-primary:hover{
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 var(--ink);
  background:var(--violet);
}
.btn-outline {
  background:transparent; border:2px solid var(--ink); color:var(--ink);
  box-shadow:5px 5px 0 rgba(24,18,40,0.16);
}
.btn-outline:hover{
  background:var(--ink); color:var(--paper);
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(24,18,40,0.28);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display:inline-block; font-size:0.75rem; font-weight:900;
  letter-spacing:0.28em; text-transform:uppercase;
  margin-bottom:14px; color:var(--flame);
}
.section-label::before{
  content:"//";
  margin-right:8px; color:var(--violet); letter-spacing:0;
}
.section-title {
  font-size:clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight:900; letter-spacing:-0.03em; line-height:1.15;
  margin-bottom:14px;
}
.section-desc {
  max-width:600px; color:var(--ink-soft);
  margin-bottom:44px; font-size:1.02rem;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px;
}
.category-card {
  border-radius:var(--radius); padding:28px;
  border:2px solid var(--ink);
  background:#fff;
  box-shadow:4px 4px 0 rgba(24,18,40,0.9);
  transition:transform .22s cubic-bezier(.2,.9,.3,1.2), box-shadow .22s ease, background .3s ease;
  position:relative; overflow:hidden;
}
.category-card::after{
  content:"";
  position:absolute; right:-40px; bottom:-40px; width:110px; height:110px;
  border-radius:50%; background:var(--sky); opacity:.55; transition:.3s ease;
}
.category-card:hover {
  transform:translate(-3px,-3px) rotate(-0.6deg);
  box-shadow:9px 9px 0 var(--ink);
  background:#FFFDF8;
}
.category-card:hover::after{ transform:scale(1.5); opacity:.9; background:var(--lime); }
.card-icon {
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px; font-size:1.3rem;
  background:var(--blush); border:2px solid var(--ink);
  position:relative; z-index:1;
}
.category-card:nth-child(3n+2) .card-icon{ background:var(--sky); }
.category-card:nth-child(3n+3) .card-icon{ background:var(--lime); }
.category-card h3{
  font-size:1.12rem; font-weight:800; letter-spacing:-0.02em;
  margin-bottom:8px; position:relative; z-index:1;
}
.category-card p{ font-size:0.92rem; color:var(--ink-soft); position:relative; z-index:1; }
.card-link {
  font-weight:800; font-size:0.82rem; text-decoration:none;
  letter-spacing:0.06em; text-transform:uppercase;
  color:var(--violet); display:inline-block; margin-top:16px;
  position:relative; z-index:1;
}
.card-link::after{ content:" →"; transition:.2s ease; display:inline-block; }
.card-link:hover{ color:var(--flame); }
.card-link:hover::after{ transform:translateX(4px); }

/* ---------- 特性块 ---------- */
.feature-block {
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
.feature-image {
  border-radius:var(--radius); overflow:hidden;
  border:2px solid var(--ink); box-shadow:8px 8px 0 var(--violet);
}
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-text h2{
  font-size:clamp(1.5rem,3vw,2.1rem); font-weight:900;
  letter-spacing:-0.03em; line-height:1.18; margin-bottom:16px;
}
.feature-text p{ color:var(--ink-soft); margin-bottom:20px; }
.feature-list { list-style:none; }
.feature-list li {
  padding:9px 0; display:flex; align-items:center; gap:10px;
  font-size:0.97rem; font-weight:600;
  border-bottom:1px dashed var(--ink-line);
}
.feature-list li::before {
  content:'✓'; font-weight:900;
  width:22px; height:22px; flex:0 0 22px;
  display:flex; align-items:center; justify-content:center;
  font-size:0.75rem; border-radius:6px;
  background:var(--lime); border:2px solid var(--ink);
  color:var(--ink);
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center;
}
.stat-item {
  padding:28px 20px; border-radius:var(--radius);
  border:2px solid var(--ink); background:#fff;
  box-shadow:4px 4px 0 rgba(24,18,40,0.14);
  transition:transform .2s ease, box-shadow .2s ease;
  position:relative; overflow:hidden;
}
.stat-item::before{
  content:""; position:absolute; top:0; left:0; right:0; height:6px;
  background:var(--flame);
}
.stat-item:nth-child(2)::before{ background:var(--violet); }
.stat-item:nth-child(3)::before{ background:var(--lime); }
.stat-item:nth-child(4)::before{ background:var(--sky); }
.stat-item:hover{ transform:translateY(-4px); box-shadow:7px 7px 0 var(--ink); }
.stat-number {
  font-size:clamp(1.9rem,4vw,2.7rem); font-weight:900;
  letter-spacing:-0.04em; line-height:1; color:var(--ink);
}
.stat-label {
  font-size:0.86rem; color:var(--ink-soft); margin-top:8px;
  font-weight:700; letter-spacing:0.08em;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px;
}
.content-wall-item {
  border-radius:var(--radius); overflow:hidden;
  border:2px solid var(--ink); background:#fff;
  box-shadow:4px 4px 0 rgba(24,18,40,0.9);
  transition:transform .22s cubic-bezier(.2,.9,.3,1.2), box-shadow .22s ease;
}
.content-wall-item:hover {
  transform:translate(-3px,-3px) rotate(0.5deg);
  box-shadow:9px 9px 0 var(--violet);
}
.content-wall-item img {
  width:100%; height:200px; object-fit:cover;
  border-bottom:2px solid var(--ink);
  filter:saturate(1.05) contrast(1.03);
}
.content-wall-body { padding:20px; }
.content-wall-body h3{
  font-size:1.05rem; font-weight:800; letter-spacing:-0.02em; margin-bottom:8px;
}
.content-wall-body p{ font-size:0.9rem; color:var(--ink-soft); }
.content-wall-body span{
  display:inline-block; margin-top:14px;
  font-size:0.7rem; font-weight:900; letter-spacing:0.16em; text-transform:uppercase;
  padding:4px 10px; border-radius:999px;
  background:var(--blush); border:2px solid var(--ink);
}

/* ---------- FAQ ---------- */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  border:2px solid var(--ink); border-radius:12px;
  margin-bottom:10px; overflow:hidden; cursor:pointer;
  background:#fff; transition:box-shadow .2s ease, transform .2s ease, background .2s ease;
}
.faq-item:hover{ box-shadow:5px 5px 0 rgba(24,18,40,0.85); transform:translate(-1px,-1px); }
.faq-item.open{ background:#FFFCF2; box-shadow:5px 5px 0 var(--flame); }
.faq-item .faq-question {
  padding:18px 20px; font-weight:800; font-size:1rem;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-item .faq-question::after{
  content:"+"; font-size:1.4rem; font-weight:900; line-height:1;
  color:var(--violet); flex:0 0 auto;
  transition:transform .25s ease, color .2s ease;
}
.faq-item.open .faq-question::after{ content:"−"; color:var(--flame); transform:rotate(180deg); }
.faq-item .faq-answer {
  padding:0 20px 18px; display:none;
  color:var(--ink-soft); font-size:0.95rem;
  border-top:1px dashed var(--ink-line); margin:0 20px; padding-left:0; padding-right:0;
}
.faq-item.open .faq-answer { display:block; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding:64px 32px; text-align:center; border-radius:20px;
  color:#fff; position:relative; overflow:hidden;
  border:2px solid var(--ink);
  background:
    radial-gradient(500px 320px at 12% 0%, rgba(198,255,61,0.45), transparent 60%),
    radial-gradient(520px 360px at 92% 100%, rgba(255,75,43,0.55), transparent 62%),
    linear-gradient(135deg, #5B2CE0 0%, #7A2CE8 45%, #3B1E9E 100%);
  box-shadow:10px 10px 0 var(--ink);
}
.cta-banner::before{
  content:"真相不打烊";
  position:absolute; top:18px; right:26px;
  font-size:0.72rem; font-weight:900; letter-spacing:0.28em;
  color:rgba(255,255,255,0.55);
}
.cta-banner h2 {
  color:#fff; font-size:clamp(1.6rem,3.6vw,2.5rem);
  font-weight:900; letter-spacing:-0.03em; margin-bottom:14px;
}
.cta-banner p{
  color:rgba(255,255,255,0.82); max-width:560px; margin:0 auto 28px;
  font-size:1rem;
}
.cta-banner .btn-primary {
  background:#fff; color:var(--ink); border-color:var(--ink);
  box-shadow:5px 5px 0 rgba(24,18,40,0.9);
}
.cta-banner .btn-primary:hover{
  background:var(--lime); color:var(--ink);
  transform:translate(-2px,-2px); box-shadow:8px 8px 0 rgba(24,18,40,0.9);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding:56px 0 28px;
  background:var(--paper-3);
  border-top:2px solid var(--ink);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute; top:-2px; left:0; width:100%; height:6px;
  background:repeating-linear-gradient(90deg, var(--flame) 0 40px, var(--lime) 40px 80px, var(--violet) 80px 120px, var(--ink) 120px 160px);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo{ margin-bottom:16px; }
.footer-brand p{ font-size:0.92rem; color:var(--ink-soft); max-width:340px; }
.footer-col { }
.footer-col h4{
  font-size:0.78rem; font-weight:900; letter-spacing:0.2em;
  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; font-size:0.9rem; color:var(--ink-soft);
  transition:.2s; font-weight:600;
}
.footer-col a:hover{ color:var(--flame); padding-left:5px; }
.footer-bottom {
  border-top:2px dashed var(--ink-line);
  margin-top:44px; padding-top:22px; text-align:center;
  font-size:0.84rem; color:var(--ink-soft); font-weight:600;
  letter-spacing:0.02em;
}

/* ---------- 工具类 ---------- */
.text-accent { color:var(--flame); font-weight:800; }
.text-center { text-align:center; }
.text-center .section-desc{ margin-left:auto; margin-right:auto; }
.seo-description {
  max-width:600px; margin:0 auto 48px;
  color:var(--ink-soft); font-size:1rem;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 焦点可见性 */
a:focus-visible, button:focus-visible, .faq-item:focus-visible{
  outline:3px solid var(--violet); outline-offset:3px; border-radius:6px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px){
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 768px) {
  .section{ padding:64px 0; }
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image{ box-shadow:6px 6px 0 var(--violet); }
  .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:flex-start;
    position:absolute; top:68px; left:0; width:100%;
    background:rgba(251,247,240,0.98);
    backdrop-filter:blur(14px);
    padding:22px 24px 28px; gap:18px;
    border-bottom:2px solid var(--ink);
    box-shadow:0 14px 0 rgba(24,18,40,0.08);
  }
  .main-nav.open a{ font-size:1.02rem; }
  .main-nav.open .nav-cta{ align-self:flex-start; }
  .hero{ padding-top:104px; min-height:auto; }
  .hero::after{ width:280px; height:280px; right:-120px; top:40px; opacity:.7; }
  .cta-banner{ padding:48px 22px; box-shadow:7px 7px 0 var(--ink); }
  .cta-banner::before{ display:none; }
}

@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; }
  .hero-buttons .btn{ justify-content:center; }
  .hero h1{ letter-spacing:-0.03em; }
  .faq-item .faq-question{ font-size:0.94rem; padding:16px; }
}