/* ============================================================
   爆料曝光 · 独家揭秘  ——  设计系统
   风格：编辑部新粗野主义 · 奶油纸感 / 酸性荧光 / 电紫
   ============================================================ */

:root{
  --cream:#FBF6EC;
  --paper:#FFFFFF;
  --lav:#F1ECFF;
  --ink:#191129;
  --ink-soft:#615A78;
  --acid:#D9FF3C;
  --acid-soft:#EEFFB8;
  --violet:#6C2BD9;
  --violet-soft:#E4D8FF;
  --flame:#FF4A22;
  --flame-soft:#FFE0D6;
  --sky:#CDE8FF;
  --hard:6px 6px 0 var(--ink);
  --hard-sm:4px 4px 0 var(--ink);
  --hard-lg:10px 10px 0 var(--ink);
  --r:16px;
  --r-pill:999px;
}

/* ---------- 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-color:var(--cream);
  background-image:
    radial-gradient(rgba(25,17,41,.055) 1px, transparent 1px),
    radial-gradient(rgba(25,17,41,.04) 1px, transparent 1px);
  background-size:26px 26px, 26px 26px;
  background-position:0 0, 13px 13px;
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

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

img{ display:block; max-width:100%; }
a{ color:inherit; }
::-webkit-scrollbar{ width:12px; }
::-webkit-scrollbar-track{ background:var(--cream); }
::-webkit-scrollbar-thumb{ background:var(--ink); border:3px solid var(--cream); border-radius:99px; }

/* ---------- 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:#F6F1E6; }

.section::before{
  content:'';
  position:absolute; top:0; left:0;
  width:100%; height:1px;
  background:rgba(25,17,41,.08);
}

/* ---------- 导航 ---------- */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,246,236,0.92);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:2px solid var(--ink);
}
.site-header::after{
  content:'';
  position:absolute; bottom:-2px; left:0; width:100%; height:4px;
  background:repeating-linear-gradient(90deg,
    var(--flame) 0 24px,
    var(--acid) 24px 48px,
    var(--violet) 48px 72px);
  opacity:.85;
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:76px; 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:var(--ink);
}
.logo-icon {
  width:38px; height:38px; border-radius:11px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem;
  background:var(--acid);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-7deg);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1);
}
.logo:hover .logo-icon{ transform:rotate(7deg) scale(1.06); }

.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a {
  text-decoration:none; font-size:.9rem; font-weight:600;
  color:var(--ink-soft); position:relative; padding:4px 0;
  transition:color .2s;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-1px;
  height:3px; width:0; background:var(--flame);
  transition:width .28s cubic-bezier(.65,0,.35,1);
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a:hover::after{ width:100%; }

.main-nav .nav-cta {
  padding:9px 22px; border-radius:var(--r-pill);
  color:#fff !important; font-weight:800;
  background:var(--violet);
  border:2px solid var(--ink);
  box-shadow:var(--hard-sm);
  transition:transform .18s ease, box-shadow .18s ease, background .2s;
}
.main-nav .nav-cta::after{ display:none; }
.main-nav .nav-cta:hover{
  background:var(--flame);
  transform:translate(2px,2px);
  box-shadow:2px 2px 0 var(--ink);
}

.menu-toggle {
  display:none;
  width:46px; height:46px; align-items:center; justify-content:center;
  border-radius:12px; border:2px solid var(--ink); background:var(--acid);
  box-shadow:3px 3px 0 var(--ink); cursor:pointer; font-size:1.1rem;
  color:var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  min-height:70vh; display:flex; align-items:center;
  padding:150px 0 90px; position:relative; overflow:hidden;
}
.hero::before{
  content:''; position:absolute; z-index:-1;
  width:640px; height:640px; border-radius:50%;
  background:radial-gradient(circle, rgba(217,255,60,.85), rgba(217,255,60,0) 68%);
  top:-180px; right:-160px;
}
.hero::after{
  content:''; position:absolute; z-index:-1;
  width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle, rgba(108,43,217,.18), rgba(108,43,217,0) 70%);
  bottom:-220px; left:-160px;
}
.hero-content { max-width:760px; position:relative; }
.hero-eyebrow {
  display:inline-block; font-size:.8rem; font-weight:800;
  letter-spacing:.14em;
  padding:6px 18px; border-radius:var(--r-pill);
  margin-bottom:22px;
  background:var(--acid);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-1.6deg);
  color:var(--ink);
}
.hero h1 {
  font-size:clamp(2.4rem, 5.6vw, 4.3rem);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.045em;
  margin-bottom:24px;
  text-wrap:balance;
}
.hero p {
  font-size:1.08rem; color:var(--ink-soft);
  max-width:560px; margin-bottom:36px; font-weight:400;
}
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image {
  border-radius:var(--r); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--hard-lg);
  background:var(--paper);
  transform:rotate(1.2deg);
}
.hero-image img { width:100%; height:auto; }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex; align-items:center; gap:9px;
  padding:14px 30px; border-radius:var(--r-pill);
  font-weight:800; font-size:.95rem; cursor:pointer;
  border:2px solid var(--ink); text-decoration:none;
  transition:transform .18s ease, box-shadow .18s ease, background .2s, color .2s;
  box-shadow:var(--hard-sm);
  letter-spacing:.01em;
}
.btn:hover{ transform:translate(3px,3px); box-shadow:1px 1px 0 var(--ink); }
.btn:active{ transform:translate(4px,4px); box-shadow:0 0 0 var(--ink); }

.btn-primary { color:#fff; background:var(--violet); }
.btn-primary:hover{ background:var(--flame); }

.btn-outline { background:var(--paper); color:var(--ink); border:2px solid var(--ink); }
.btn-outline:hover{ background:var(--acid); }

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display:inline-flex; align-items:center; gap:10px;
  font-size:.75rem; font-weight:800;
  letter-spacing:.28em; text-transform:uppercase;
  margin-bottom:16px; color:var(--violet);
}
.section-label::before{
  content:''; width:12px; height:12px;
  background:var(--flame); border:2px solid var(--ink);
  border-radius:3px; transform:rotate(45deg);
}
.section-title {
  font-size:clamp(1.75rem, 3.4vw, 2.6rem);
  font-weight:900; letter-spacing:-.035em; line-height:1.15;
  margin-bottom:18px; text-wrap:balance;
}
.section-title::after{
  content:''; display:block;
  width:72px; height:9px; margin-top:16px;
  background:var(--acid);
  border:2px solid var(--ink);
  border-radius:3px;
}
.section-desc {
  max-width:600px; color:var(--ink-soft);
  margin-bottom:44px; font-size:1rem;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:26px;
}
.category-card {
  border-radius:var(--r); padding:30px 26px 26px;
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--hard);
  transition:transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
  position:relative; overflow:hidden;
}
.category-card::before{
  content:''; position:absolute; top:0; right:0;
  width:64px; height:64px;
  background:repeating-linear-gradient(45deg, var(--acid) 0 6px, transparent 6px 12px);
  opacity:.5;
}
.category-card:hover {
  transform:translate(-2px,-6px) rotate(-.6deg);
  box-shadow:9px 10px 0 var(--ink);
}
.card-icon {
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.35rem;
  background:var(--acid);
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
}
.category-card:nth-child(2n) .card-icon{ background:var(--violet-soft); }
.category-card:nth-child(3n) .card-icon{ background:var(--flame-soft); }
.category-card:nth-child(4n) .card-icon{ background:var(--sky); }

.category-card h3{
  font-size:1.08rem; font-weight:800; letter-spacing:-.01em;
  margin-bottom:8px;
}
.category-card p{
  font-size:.9rem; color:var(--ink-soft); margin-bottom:16px;
}
.card-link {
  font-weight:800; font-size:.8rem; text-decoration:none;
  color:var(--violet); letter-spacing:.06em;
  display:inline-flex; align-items:center; gap:6px;
  border-bottom:2px solid var(--violet);
  padding-bottom:2px;
  transition:color .2s, border-color .2s, gap .2s;
}
.card-link::after{ content:'→'; }
.card-link:hover{ color:var(--flame); border-color:var(--flame); gap:11px; }

/* ---------- 特性块 ---------- */
.feature-block {
  display:grid; grid-template-columns:1fr 1fr;
  gap:64px; align-items:center;
}
.feature-image {
  border-radius:var(--r); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--hard-lg);
  background:var(--paper);
  transform:rotate(-1.4deg);
  transition:transform .35s cubic-bezier(.34,1.4,.64,1);
}
.feature-image:hover{ transform:rotate(0deg) scale(1.02); }
.feature-image img { width:100%; height:auto; }

.feature-text{ position:relative; }
.feature-text h3{
  font-size:clamp(1.4rem,2.4vw,1.9rem);
  font-weight:900; letter-spacing:-.03em; margin-bottom:14px;
}
.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:12px;
  font-weight:600; font-size:.95rem;
  border-bottom:1px dashed rgba(25,17,41,.15);
}
.feature-list li:last-child{ border-bottom:none; }
.feature-list li::before {
  content:'✓';
  flex:0 0 auto;
  width:22px; height:22px; border-radius:50%;
  display:grid; place-items:center;
  font-size:.7rem; font-weight:900;
  background:var(--acid);
  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:30px 18px; border-radius:var(--r);
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--hard);
  transition:transform .2s ease, box-shadow .2s ease, background .2s;
}
.stat-item:nth-child(1){ background:var(--acid); }
.stat-item:nth-child(2){ background:var(--violet-soft); }
.stat-item:nth-child(3){ background:var(--flame-soft); }
.stat-item:nth-child(4){ background:var(--sky); }
.stat-item:hover{ transform:translate(-3px,-4px); box-shadow:9px 9px 0 var(--ink); }

.stat-number {
  font-size:clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight:900; letter-spacing:-.05em; line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-label {
  font-size:.85rem; font-weight:700; color:var(--ink);
  opacity:.66; margin-top:10px; letter-spacing:.04em;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:26px;
}
.content-wall-item {
  border-radius:var(--r); overflow:hidden;
  background:var(--paper);
  border:2px solid var(--ink);
  box-shadow:var(--hard);
  transition:transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
}
.content-wall-item:hover {
  transform:translate(-2px,-6px);
  box-shadow:9px 10px 0 var(--ink);
}
.content-wall-item img {
  width:100%; height:200px; object-fit:cover;
  border-bottom:2px solid var(--ink);
  filter:saturate(.35) contrast(1.05);
  transition:filter .35s ease, transform .5s ease;
}
.content-wall-item:hover img{ filter:saturate(1.1); transform:scale(1.05); }
.content-wall-body { padding:22px; }
.content-wall-body h3{
  font-size:1.02rem; font-weight:800; letter-spacing:-.01em;
  margin-bottom:8px; line-height:1.35;
}
.content-wall-body p{ font-size:.875rem; color:var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  background:var(--paper);
  border:2px solid var(--ink); border-radius:14px;
  margin-bottom:12px; overflow:hidden; cursor:pointer;
  box-shadow:var(--hard-sm);
  transition:transform .2s ease, box-shadow .2s ease, background .25s;
}
.faq-item:hover{ transform:translate(-2px,-3px); box-shadow:6px 6px 0 var(--ink); }
.faq-item.open{ background:var(--acid-soft); }
.faq-item .faq-question {
  padding:18px 22px; font-weight:800; font-size:.98rem;
  display:flex; justify-content:space-between; align-items:center;
  gap:16px; letter-spacing:-.01em;
}
.faq-item .faq-question::after{
  content:'+';
  flex:0 0 auto;
  width:26px; height:26px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--acid); border:2px solid var(--ink);
  font-weight:900; font-size:1rem; line-height:1;
  transition:transform .3s ease, background .3s;
}
.faq-item.open .faq-question::after{
  content:'−'; transform:rotate(180deg); background:var(--flame); color:#fff;
}
.faq-item .faq-answer {
  padding:0 22px 20px; display:none;
  color:var(--ink-soft); font-size:.92rem;
}
.faq-item.open .faq-answer{ display:block; animation:fadeUp .35s ease both; }

@keyframes fadeUp{
  from{ opacity:0; transform:translateY(-6px); }
  to{ opacity:1; transform:translateY(0); }
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding:64px 32px; text-align:center;
  border-radius:24px; color:#fff;
  background:linear-gradient(115deg, var(--flame) 0%, #B32BD9 52%, var(--violet) 100%);
  border:2px solid var(--ink);
  box-shadow:var(--hard-lg);
  position:relative; overflow:hidden;
  isolation:isolate;
}
.cta-banner::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.28) 1.5px, transparent 1.5px);
  background-size:18px 18px;
  opacity:.5;
}
.cta-banner h2 {
  color:#fff; font-size:clamp(1.7rem,3.2vw,2.4rem);
  font-weight:900; letter-spacing:-.035em; margin-bottom:14px;
  text-wrap:balance;
}
.cta-banner p{ color:rgba(255,255,255,.85); margin-bottom:30px; }
.cta-banner .btn-primary {
  background:#fff; color:var(--ink); border-color:var(--ink);
  box-shadow:4px 4px 0 var(--ink);
}
.cta-banner .btn-primary:hover{ background:var(--acid); color:var(--ink); }

/* ---------- 页脚 ---------- */
.site-footer {
  padding:72px 0 28px;
  background:#F2EDFF;
  border-top:2px solid var(--ink);
  position:relative;
}
.site-footer::before{
  content:''; position:absolute; top:-2px; left:0; width:100%; height:5px;
  background:repeating-linear-gradient(90deg,
    var(--acid) 0 30px, var(--ink) 30px 60px);
  opacity:.25;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px;
}
.footer-brand{ font-size:.9rem; color:var(--ink-soft); }
.footer-brand .logo{ margin-bottom:16px; font-size:1.18rem; }
.footer-brand p{ max-width:320px; }

.footer-col h4{
  font-size:.78rem; font-weight:900; letter-spacing:.2em;
  text-transform:uppercase; color:var(--ink); margin-bottom:16px;
}
.footer-col ul{ list-style:none; }
.footer-col li{ margin-bottom:10px; }
.footer-col a{
  text-decoration:none; font-size:.9rem; color:var(--ink-soft);
  transition:color .2s, padding-left .2s;
  display:inline-block;
}
.footer-col a:hover{ color:var(--flame); padding-left:6px; }

.footer-bottom {
  border-top:1px dashed rgba(25,17,41,.28);
  margin-top:48px; padding-top:22px;
  text-align:center; font-size:.82rem; color:var(--ink-soft);
  letter-spacing:.02em;
}

/* ---------- 工具类 ---------- */
.text-accent{
  background-image:linear-gradient(transparent 60%, var(--acid) 60%);
  background-repeat:no-repeat;
  background-size:100% 100%;
  padding:0 .1em;
}
.text-center { text-align:center; }
.text-center .section-desc{ margin-left:auto; margin-right:auto; }
.text-center .section-title::after{ margin-left:auto; margin-right:auto; }
.seo-description {
  max-width:600px; margin:0 auto 48px;
  color:var(--ink-soft); font-size:.95rem;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px){
  .footer-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px) {
  .section{ padding:70px 0; }
  .feature-block { grid-template-columns:1fr; gap:38px; }
  .feature-image{ transform:none; }
  .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:76px; left:0; width:100%;
    background:var(--cream);
    padding:22px 24px 26px; gap:16px;
    border-bottom:2px solid var(--ink);
    box-shadow:0 14px 0 rgba(25,17,41,.12);
  }
  .main-nav.open a{ font-size:1rem; }
  .main-nav.open .nav-cta{ width:100%; justify-content:center; }
  .main-nav.open a:hover::after{ width:100%; }

  .hero{ padding-top:130px; }
  .hero::before{ width:420px; height:420px; top:-140px; right:-160px; }
  .header-inner{ height:76px; }
}

@media (max-width: 480px) {
  .container{ padding:0 18px; }
  .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; }
  .cta-banner{ padding:44px 22px; }
  .logo{ font-size:1rem; }
  .logo-icon{ width:34px; height:34px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition-duration:.01ms !important; }
}