/* ============================================================
   RISO EDITORIAL DESIGN SYSTEM — 网红黑料网
   风格：孔版印刷 / 爆料杂志 / 硬阴影解构
   底色：米白纸感 + 荧光青柠 + 品红 + 电紫
   ============================================================ */

:root{
  --paper:#FBF6EC;
  --paper-2:#F2EAD8;
  --paper-3:#FFFDF7;
  --ink:#141327;
  --ink-soft:#514C6E;
  --lime:#CCF63F;
  --pink:#FF2E88;
  --violet:#5B3BFF;
  --orange:#FF7A45;
  --line:#141327;
  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-soft:6px 6px 0 rgba(20,19,39,.18);
  --r:5px;
}

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

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(20,19,39,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,19,39,.045) 1px, transparent 1px);
  background-size:32px 32px;
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

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

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

/* 核心布局 — 必须居中 */
.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:var(--paper-2);
  background-image:
    radial-gradient(rgba(20,19,39,.07) 1.2px, transparent 1.2px);
  background-size:18px 18px;
}

/* 导航 — 固定顶部 */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,246,236,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:2px solid var(--line);
}
.site-header::after{
  content:'';
  position:absolute; left:0; bottom:-2px; height:2px; width:100%;
  background:repeating-linear-gradient(90deg,var(--pink) 0 22px,transparent 22px 44px);
  opacity:.55; pointer-events:none;
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:68px; max-width:1200px; margin:0 auto; padding:0 24px; }

.logo, .logo { }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.2rem; text-decoration:none; color:inherit; letter-spacing:-.02em; }
.logo-icon {
  width:36px; height:36px; border-radius:7px; display:flex; align-items:center; justify-content:center;
  font-size:1rem; font-weight:900;
  background:var(--lime); color:var(--ink);
  border:2px solid var(--line);
  box-shadow:3px 3px 0 var(--ink);
  transform:rotate(-6deg);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1);
}
.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:600; transition:0.2s;
  position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:3px;
  background:var(--pink); transition:width .28s cubic-bezier(.4,0,.2,1);
}
.main-nav a:hover::after{ width:100%; }
.main-nav a:hover{ color:var(--violet); }

.nav-cta {
  padding:9px 22px; border-radius:999px; color:#fff!important; font-weight:700;
  background:var(--violet); border:2px solid var(--line);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .18s ease, box-shadow .18s ease, background .18s;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{
  background:var(--pink); 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; border-radius:8px; cursor:pointer;
  background:var(--lime); border:2px solid var(--line);
  box-shadow:3px 3px 0 var(--ink); font-size:1.1rem; font-weight:900;
}

/* 首页Hero */
.hero {
  min-height:70vh; display:flex; align-items:center;
  padding:150px 0 90px; position:relative; overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute; top:12%; right:-140px; width:420px; height:420px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%, var(--lime), rgba(204,246,63,0) 68%);
  opacity:.55; filter:blur(6px); pointer-events:none;
}
.hero::after{
  content:'';
  position:absolute; bottom:-90px; left:-80px; width:300px; height:300px;
  background:repeating-linear-gradient(45deg, rgba(255,46,136,.16) 0 12px, transparent 12px 24px);
  border-radius:50%; pointer-events:none;
}
.hero-content { max-width:760px; position:relative; z-index:2; }
.hero-eyebrow {
  display:inline-block; font-size:.85rem; font-weight:700; padding:6px 16px; border-radius:999px;
  margin-bottom:22px; background:var(--pink); color:#fff;
  border:2px solid var(--line); box-shadow:3px 3px 0 var(--ink);
  letter-spacing:.12em; transform:rotate(-1.5deg);
}
.hero h1 {
  font-size:clamp(2.2rem, 6.2vw, 4.4rem);
  line-height:1.06; margin-bottom:24px;
  font-weight:900; letter-spacing:-.035em;
}
.hero h1 em, .hero h1 strong{
  font-style:normal;
  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:16px; flex-wrap:wrap; align-items:center; }
.hero-image {
  border-radius:var(--r); overflow:hidden;
  border:2px solid var(--line); box-shadow:10px 10px 0 var(--ink);
  background:var(--paper-3);
}
.hero-image img { width:100%; height:auto; }

/* 按钮 */
.btn {
  display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:999px;
  font-weight:700; cursor:pointer; border:2px solid var(--line); text-decoration:none;
  transition:transform .18s cubic-bezier(.4,0,.2,1), box-shadow .18s ease, background .18s, color .18s;
  font-size:.95rem; letter-spacing:.01em;
}
.btn-primary {
  color:var(--ink); background:var(--lime);
  box-shadow:5px 5px 0 var(--ink);
}
.btn-primary:hover{ transform:translate(-2px,-2px); box-shadow:8px 8px 0 var(--ink); background:#B9EE1E; }
.btn-primary:active{ transform:translate(2px,2px); box-shadow:2px 2px 0 var(--ink); }

.btn-outline { background:transparent; border:2px solid var(--line); color:var(--ink); box-shadow:5px 5px 0 rgba(20,19,39,.15); }
.btn-outline:hover{ background:var(--violet); color:#fff; transform:translate(-2px,-2px); box-shadow:8px 8px 0 var(--ink); }

/* 标签 / 标题 */
.section-label {
  display:inline-block; font-size:.78rem; font-weight:800; letter-spacing:.32em;
  margin-bottom:14px; color:var(--violet); text-transform:uppercase;
  position:relative; padding-left:26px;
}
.section-label::before{
  content:''; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:16px; height:4px; background:var(--pink); border-radius:2px;
}
.section-title {
  font-size:clamp(1.6rem, 3.6vw, 2.5rem); margin-bottom:16px;
  font-weight:900; letter-spacing:-.03em; line-height:1.18;
}
.section-desc { max-width:620px; 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:26px; }
.category-card {
  border-radius:var(--r); padding:30px 26px;
  background:var(--paper-3);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
  transition:transform .22s cubic-bezier(.4,0,.2,1), box-shadow .22s ease;
  position:relative; overflow:hidden;
}
.category-card::after{
  content:''; position:absolute; top:0; right:0; width:56px; height:56px;
  background:repeating-linear-gradient(135deg, rgba(91,59,255,.14) 0 6px, transparent 6px 12px);
  clip-path:polygon(100% 0,0 0,100% 100%);
}
.category-card:hover {
  transform:translate(-3px,-3px);
  box-shadow:10px 10px 0 var(--pink);
}
.category-card h3{ font-size:1.12rem; font-weight:800; margin-bottom:8px; letter-spacing:-.01em; }
.category-card p{ font-size:.9rem; color:var(--ink-soft); margin-bottom:16px; }

.card-icon {
  width:48px; height:48px; border-radius:9px; display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.3rem;
  background:var(--lime); border:2px solid var(--line); box-shadow:3px 3px 0 var(--ink);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1);
}
.category-card:hover .card-icon{ transform:rotate(-8deg) scale(1.05); }
.category-card:nth-child(3n+2) .card-icon{ background:var(--pink); color:#fff; }
.category-card:nth-child(3n+3) .card-icon{ background:var(--violet); color:#fff; }

.card-link { font-weight:700; font-size:.85rem; text-decoration:none; color:var(--ink); border-bottom:2px solid var(--pink); padding-bottom:2px; transition:color .2s; }
.card-link:hover{ color:var(--pink); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image {
  border-radius:var(--r); overflow:hidden;
  border:2px solid var(--line); box-shadow:9px 9px 0 var(--ink);
  background:var(--paper-3); position:relative;
}
.feature-image::before{
  content:''; position:absolute; inset:0; z-index:2; pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.4);
}
.feature-image img { width:100%; height:auto; }
.feature-text { position:relative; }
.feature-text h2{ font-size:clamp(1.5rem,3vw,2.1rem); font-weight:900; letter-spacing:-.03em; margin-bottom:14px; }
.feature-text p{ color:var(--ink-soft); margin-bottom:18px; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; font-weight:600; }
.feature-list li::before {
  content:'✓'; font-weight:900;
  width:22px; height:22px; flex:0 0 22px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--lime); border:2px solid var(--line); font-size:.7rem;
}

/* 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(--r);
  border:2px solid var(--line); background:var(--paper-3);
  box-shadow:5px 5px 0 rgba(20,19,39,.14);
  transition:transform .2s ease, box-shadow .2s ease, background .2s;
}
.stat-item:hover{ transform:translate(-2px,-2px); box-shadow:8px 8px 0 var(--violet); }
.stat-number { font-size:clamp(1.9rem,4vw,2.6rem); font-weight:900; letter-spacing:-.04em; line-height:1; }
.stat-number::after{ content:''; display:block; width:34px; height:6px; margin:12px auto 0; background:var(--pink); border-radius:3px; }
.stat-item:nth-child(2) .stat-number::after{ background:var(--lime); }
.stat-item:nth-child(3) .stat-number::after{ background:var(--violet); }
.stat-item:nth-child(4) .stat-number::after{ background:var(--orange); }
.stat-label { font-size:.9rem; color:var(--ink-soft); margin-top:10px; font-weight:600; }

/* 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;
  border:2px solid var(--line); background:var(--paper-3);
  box-shadow:var(--shadow-soft);
  transition:transform .22s cubic-bezier(.4,0,.2,1), box-shadow .22s ease;
}
.content-wall-item:hover { transform:translate(-3px,-3px); box-shadow:9px 9px 0 var(--violet); }
.content-wall-item img {
  width:100%; height:200px; object-fit:cover;
  filter:grayscale(.45) contrast(1.06);
  transition:filter .35s ease, transform .5s ease;
}
.content-wall-item:hover img{ filter:grayscale(0) contrast(1.02); transform:scale(1.04); }
.content-wall-body { padding:22px 20px; border-top:2px solid var(--line); }
.content-wall-body h3{ font-size:1.05rem; font-weight:800; margin-bottom:8px; letter-spacing:-.01em; }
.content-wall-body p{ font-size:.9rem; color:var(--ink-soft); }

/* FAQ */
.faq-list { max-width:820px; margin:0 auto; }
.faq-item {
  border:2px solid var(--line); border-radius:var(--r);
  margin-bottom:12px; overflow:hidden; cursor:pointer;
  background:var(--paper-3);
  box-shadow:4px 4px 0 rgba(20,19,39,.13);
  transition:box-shadow .2s ease, transform .2s ease;
}
.faq-item:hover{ transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--pink); }
.faq-item .faq-question {
  padding:18px 22px; font-weight:800; display:flex; justify-content:space-between;
  gap:16px; align-items:center; letter-spacing:-.01em;
}
.faq-item .faq-question::after{
  content:'+'; font-size:1.3rem; font-weight:900; line-height:1;
  width:26px; height:26px; flex:0 0 26px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--lime); border:2px solid var(--line);
  transition:transform .25s ease, background .25s;
}
.faq-item .faq-answer { padding:0 22px 18px; display:none; color:var(--ink-soft); font-size:.95rem; }
.faq-item.open { box-shadow:6px 6px 0 var(--violet); }
.faq-item.open .faq-question::after{ content:'–'; background:var(--violet); color:#fff; transform:rotate(180deg); }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner {
  padding:60px 32px; text-align:center; border-radius:8px; color:#fff;
  background:linear-gradient(118deg, var(--violet) 0%, var(--pink) 55%, var(--orange) 100%);
  border:2px solid var(--line);
  box-shadow:12px 12px 0 var(--ink);
  position:relative; overflow:hidden;
}
.cta-banner::before{
  content:''; position:absolute; inset:0;
  background:repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 14px, transparent 14px 28px);
  pointer-events:none;
}
.cta-banner h2 { color:#fff; font-size:clamp(1.5rem,3.4vw,2.2rem); font-weight:900; letter-spacing:-.03em; margin-bottom:14px; position:relative; }
.cta-banner p{ color:rgba(255,255,255,.88); max-width:560px; margin:0 auto 28px; position:relative; }
.cta-banner .btn-primary {
  background:#fff; color:var(--ink); box-shadow:5px 5px 0 var(--ink); position:relative;
}
.cta-banner .btn-primary:hover{ background:var(--lime); }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:var(--paper-2); border-top:2px solid var(--line); position:relative; }
.site-footer::before{
  content:''; position:absolute; top:-2px; left:0; width:100%; height:6px;
  background:repeating-linear-gradient(90deg, var(--lime) 0 30px, var(--pink) 30px 60px, var(--violet) 60px 90px);
  opacity:.85;
}
.site-footer .container { position:relative; }
.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:300px; }
.footer-col { }
.footer-col h4{ font-size:.82rem; font-weight:800; letter-spacing:.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; color:var(--ink-soft); font-size:.92rem; transition:color .2s, padding-left .2s; }
.footer-col a:hover{ color:var(--pink); padding-left:5px; }
.footer-bottom {
  border-top:2px solid rgba(20,19,39,.14);
  margin-top:44px; padding-top:22px; text-align:center; font-size:.85rem; color:var(--ink-soft);
}

/* 工具类 */
.text-accent { color:var(--pink); }
.text-center { text-align:center; }
.seo-description { max-width:620px; margin:0 auto 48px; color:var(--ink-soft); }
.text-center .section-title, .text-center .section-desc{ margin-left:auto; margin-right:auto; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 1024px){
  .hero{ padding-top:132px; }
  .stats-bar{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 768px) {
  .section{ padding:60px 0; }
  .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:flex-start;
    position:absolute; top:68px; left:0; width:100%;
    background:var(--paper); padding:22px 24px 26px;
    border-bottom:2px solid var(--line);
    box-shadow:0 14px 0 rgba(20,19,39,.08);
    gap:4px;
  }
  .main-nav.open li{ width:100%; }
  .main-nav.open a{ display:block; width:100%; padding:12px 4px; font-size:1rem; border-bottom:1px dashed rgba(20,19,39,.18); }
  .main-nav.open a::after{ display:none; }
  .main-nav.open .nav-cta{ display:inline-flex; width:auto; margin-top:14px; border-bottom:none; }
  .cta-banner{ padding:44px 22px; box-shadow:8px 8px 0 var(--ink); }
  .hero::before{ opacity:.35; }
}

@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:-.02em; }
  .category-card{ padding:24px 20px; }
  .stat-number{ font-size:2rem; }
}