/* =========================================================
   黑料每日大赛在线 — DESIGN SYSTEM "ZINE POP"
   Palette: cream paper / aubergine ink / coral + violet + lime
   ========================================================= */

:root{
  --paper:      #fbf5ea;
  --paper-2:    #f5ecdc;
  --paper-3:    #efe8ff;
  --ink:        #241a33;
  --ink-60:     rgba(36,26,51,.62);
  --ink-30:     rgba(36,26,51,.30);
  --coral:      #ff4b3e;
  --violet:     #6c3cff;
  --lime:       #d9f75b;
  --sky:        #b8e6ff;
  --pink:       #ffd4e5;
  --line:       2px solid var(--ink);
  --shadow:     6px 6px 0 var(--ink);
  --shadow-sm:  4px 4px 0 var(--ink);
  --shadow-lg:  10px 10px 0 var(--ink);
  --radius:     14px;
  --ease:       cubic-bezier(.22,1,.36,1);
}

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

/* 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(--paper);
  background-image:
    radial-gradient(rgba(36,26,51,.085) 1.2px, transparent 1.2px),
    radial-gradient(rgba(36,26,51,.05) 1.2px, transparent 1.2px);
  background-size: 26px 26px, 26px 26px;
  background-position: 0 0, 13px 13px;
  color: var(--ink);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

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

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

/* 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: var(--paper-2);
  border-top: var(--line);
  border-bottom: var(--line);
}

/* ============ 导航 — 固定顶部 ============ */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background: rgba(251,245,234,.88);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: var(--line);
}
.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:var(--ink);
}
.logo-icon {
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:900;
  background: var(--coral); color:#fff;
  border: var(--line);
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-6deg);
  transition: transform .35s var(--ease);
}
.logo:hover .logo-icon{ transform: rotate(6deg) 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:700;
  letter-spacing:.01em; position:relative; padding:4px 0;
  transition: color .2s var(--ease);
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-2px; height:3px; width:0;
  background: var(--coral); border-radius:2px; transition: width .28s var(--ease);
}
.main-nav a:hover{ color: var(--violet); }
.main-nav a:hover::after{ width:100%; }

.nav-cta {
  padding:9px 20px; border-radius:10px; color:var(--ink)!important;
  font-weight:800; background: var(--lime);
  border: var(--line); 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{
  color: var(--ink)!important;
  transform: translate(-2px,-2px);
  box-shadow: 5px 5px 0 var(--ink);
}
.menu-toggle {
  display:none; width:44px; height:40px; align-items:center; justify-content:center;
  background: var(--paper); border: var(--line); border-radius:10px;
  box-shadow: 3px 3px 0 var(--ink); cursor:pointer; color: var(--ink);
  font-size:1.1rem; font-weight:900;
}

/* ============ 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:620px; height:620px; right:-160px; top:-120px; border-radius:50%;
  background:
    radial-gradient(circle at 30% 30%, var(--sky), transparent 62%),
    radial-gradient(circle at 70% 70%, var(--pink), transparent 62%);
  filter: blur(10px); opacity:.85;
}
.hero::after{
  content:''; position:absolute; z-index:-1; left:-180px; bottom:-220px;
  width:460px; height:460px; border-radius:50%;
  background: radial-gradient(circle, var(--lime), transparent 68%);
  opacity:.75; filter: blur(6px);
}
.hero-content { max-width:760px; position:relative; }
.hero-eyebrow {
  display:inline-block; font-size:.8rem; font-weight:800;
  letter-spacing:.14em; text-transform:uppercase;
  padding:6px 16px; border-radius:999px; margin-bottom:22px;
  background: var(--lime); color: var(--ink);
  border: var(--line); box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-1.6deg);
}
.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4.1rem);
  line-height:1.08; margin-bottom:22px;
  font-weight:900; letter-spacing:-.035em;
}
.hero h1 span,
.hero h1 em{
  font-style:normal;
  background: linear-gradient(transparent 58%, var(--coral) 58%, var(--coral) 92%, transparent 92%);
  padding:0 .06em;
}
.hero p {
  font-size:1.08rem; color: var(--ink-60); max-width:560px;
  margin-bottom:34px; font-weight:500;
}
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image {
  border-radius: var(--radius); overflow:hidden;
  border: var(--line); box-shadow: var(--shadow-lg);
  background:#fff; transform: rotate(1.2deg);
  margin-top:52px;
}
.hero-image img { width:100%; height:auto; display:block; }

/* ============ 按钮 ============ */
.btn {
  display:inline-flex; align-items:center; gap:9px;
  padding:13px 30px; border-radius:12px;
  font-weight:800; font-size:.95rem; letter-spacing:.01em;
  cursor:pointer; border: var(--line); text-decoration:none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  background: #fff;
}
.btn:hover{ transform: translate(-3px,-3px); box-shadow: 8px 8px 0 var(--ink); }
.btn:active{ transform: translate(1px,1px); box-shadow: 2px 2px 0 var(--ink); }

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

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

/* ============ 标签 / 标题 ============ */
.section-label {
  display:inline-block; font-size:.76rem; font-weight:900;
  letter-spacing:.22em; text-transform:uppercase;
  margin-bottom:16px; padding:5px 13px; border-radius:999px;
  background: var(--sky); border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight:900; letter-spacing:-.032em; line-height:1.16;
  margin-bottom:16px;
}
.section-desc {
  max-width:600px; color: var(--ink-60); margin-bottom:44px;
  font-size:1.02rem; font-weight:500;
}

/* ============ 卡片网格 ============ */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:26px;
}
.category-card {
  border-radius: var(--radius); padding:30px 26px;
  background:#fff; border: var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
  position:relative;
}
.category-card:hover {
  transform: translate(-4px,-4px) rotate(-.7deg);
  box-shadow: 10px 10px 0 var(--ink);
}
.category-card:nth-child(4n+1) .card-icon{ background: var(--coral); color:#fff; }
.category-card:nth-child(4n+2) .card-icon{ background: var(--lime);  color: var(--ink); }
.category-card:nth-child(4n+3) .card-icon{ background: var(--violet);color:#fff; }
.category-card:nth-child(4n+4) .card-icon{ background: var(--sky);   color: var(--ink); }

.card-icon {
  width:50px; height:50px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.3rem;
  border: var(--line); box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-4deg); transition: transform .3s var(--ease);
}
.category-card:hover .card-icon{ transform: rotate(6deg) scale(1.05); }

.category-card h3{
  font-size:1.12rem; font-weight:900; letter-spacing:-.015em; margin-bottom:8px;
}
.category-card p{ font-size:.92rem; color: var(--ink-60); margin-bottom:16px; }

.card-link {
  font-weight:900; font-size:.85rem; text-decoration:none;
  color: var(--ink); border-bottom:2px solid var(--coral);
  padding-bottom:2px; transition: color .2s var(--ease), border-color .2s var(--ease);
}
.card-link:hover{ color: var(--violet); border-color: var(--violet); }

/* ============ 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: var(--line); box-shadow: var(--shadow);
  background:#fff; transform: rotate(-1.4deg);
}
.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:-.03em; line-height:1.2; margin-bottom:14px;
}
.feature-text > p{ color: var(--ink-60); margin-bottom:22px; font-weight:500; }

.feature-list { list-style:none; display:grid; gap:10px; }
.feature-list li {
  padding:11px 16px; display:flex; align-items:center; gap:10px;
  background:#fff; border:2px solid var(--ink); border-radius:10px;
  font-size:.94rem; font-weight:600;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.feature-list li:hover{ transform: translateX(5px); background: var(--lime); }
.feature-list li::before {
  content:'✓'; font-weight:900; font-size:.78rem;
  width:22px; height:22px; flex:0 0 22px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--coral); color:#fff; border:2px solid var(--ink);
}

/* ============ 数据条 ============ */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center;
}
.stat-item {
  padding:30px 20px; border-radius: var(--radius);
  background:#fff; border: var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.stat-item:hover{ transform: translateY(-6px); box-shadow: 8px 8px 0 var(--ink); }
.stat-item:nth-child(1){ background: var(--lime); }
.stat-item:nth-child(2){ background: var(--sky); }
.stat-item:nth-child(3){ background: var(--pink); }
.stat-item:nth-child(4){ background: #fff; }

.stat-number {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight:900; letter-spacing:-.05em; line-height:1;
}
.stat-label {
  font-size:.86rem; color: var(--ink-60); margin-top:10px; font-weight:700;
  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(--radius); overflow:hidden;
  background:#fff; border: var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.content-wall-item:hover {
  transform: translate(-4px,-4px) rotate(.6deg);
  box-shadow: 10px 10px 0 var(--ink);
}
.content-wall-item img {
  width:100%; height:200px; object-fit:cover;
  border-bottom: var(--line);
  filter: saturate(112%);
}
.content-wall-body { padding:22px 20px; }
.content-wall-body h3{
  font-size:1.02rem; font-weight:900; letter-spacing:-.015em; margin-bottom:8px;
}
.content-wall-body p{ font-size:.9rem; color: var(--ink-60); margin-bottom:14px; }

/* ============ FAQ ============ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  background:#fff; border: var(--line); border-radius:12px;
  margin-bottom:12px; overflow:hidden; cursor:pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.faq-item:hover{ transform: translate(-2px,-2px); box-shadow: 6px 6px 0 var(--ink); }
.faq-item .faq-question {
  padding:18px 22px; font-weight:800; font-size:.98rem;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-item .faq-question::after{
  content:'+'; font-size:1.3rem; font-weight:900; line-height:1;
  width:28px; height:28px; flex:0 0 28px; border-radius:8px;
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--lime); border:2px solid var(--ink);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.faq-item.open{ background: #fffdf4; box-shadow: 3px 3px 0 var(--violet); }
.faq-item.open .faq-question::after{
  transform: rotate(45deg); background: var(--coral); color:#fff;
}
.faq-item .faq-answer {
  padding:0 22px 20px; display:none; color: var(--ink-60);
  font-size:.94rem; line-height:1.75;
}
.faq-item.open .faq-answer { display:block; }

/* ============ CTA横幅 ============ */
.cta-banner {
  padding:64px 30px; text-align:center; border-radius: var(--radius);
  color:#fff; border: var(--line); box-shadow: var(--shadow-lg);
  background:
    radial-gradient(circle at 12% 18%, rgba(217,247,91,.55), transparent 42%),
    radial-gradient(circle at 88% 82%, rgba(184,230,255,.5), transparent 45%),
    linear-gradient(135deg, var(--coral) 0%, var(--violet) 100%);
  position:relative; overflow:hidden;
}
.cta-banner h2 {
  color:#fff; font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight:900; letter-spacing:-.03em; line-height:1.2; margin-bottom:12px;
}
.cta-banner p{ color: rgba(255,255,255,.88); margin-bottom:28px; font-weight:500; }
.cta-banner .btn-primary { background:#fff; color: var(--ink); }
.cta-banner .btn-primary:hover{ background: var(--lime); }

/* ============ 页脚 ============ */
.site-footer {
  padding:64px 0 28px; background: var(--paper-3);
  border-top: var(--line);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo{ margin-bottom:14px; }
.footer-brand p{ font-size:.9rem; color: var(--ink-60); max-width:320px; }
.footer-col { }
.footer-col h4{
  font-size:.82rem; font-weight:900; letter-spacing:.16em;
  text-transform:uppercase; margin-bottom:16px;
}
.footer-col ul{ list-style:none; display:grid; gap:9px; }
.footer-col a{
  font-size:.9rem; text-decoration:none; color: var(--ink-60);
  font-weight:600; transition: color .2s var(--ease);
}
.footer-col a:hover{ color: var(--coral); }
.footer-bottom {
  border-top:2px solid var(--ink-30); margin-top:44px; padding-top:22px;
  text-align:center; font-size:.84rem; color: var(--ink-60); font-weight:600;
}

/* ============ 工具类 ============ */
.text-accent { color: var(--coral); }
.text-center { text-align:center; }
.seo-description { max-width:640px; margin:0 auto 48px; color: var(--ink-60); font-weight:500; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 通用标题装饰 */
.section-title em,
.section-title span{
  font-style:normal; color: var(--violet);
}
.section-head{ margin-bottom:46px; }

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .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; gap:18px;
    position:absolute; top:68px; left:0; width:100%;
    background: var(--paper); padding:26px 24px;
    border-bottom: var(--line); box-shadow: 0 10px 0 rgba(36,26,51,.08);
  }
  .main-nav.open a{ font-size:1.05rem; }
  .section { padding:60px 0; }
  .hero{ padding: 132px 0 70px; }
  .hero-buttons{ gap:12px; }
}

@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; }
  .cta-banner{ padding:46px 20px; }
  .section { padding:48px 0; }
}