/* ============================================================
   黑料不打烊入口 — RISOPRINT EDITORIAL DESIGN SYSTEM
   Palette: cream paper · deep plum ink · tangerine · mint · mango
   ============================================================ */

:root {
  --paper:      #FDF7EE;
  --paper-2:    #F6EEE1;
  --paper-3:    #EFF6F2;
  --ink:        #241B33;
  --ink-soft:   #5B4F6B;
  --ink-faint:  #A99CB4;
  --tangerine:  #FF4B2B;
  --mango:      #FFB020;
  --mint:       #12C2A0;
  --violet:     #6C4BFF;
  --rule:       2px solid var(--ink);
  --shadow-sm:  3px 3px 0 var(--ink);
  --shadow-md:  6px 6px 0 var(--ink);
  --shadow-lg:  10px 10px 0 var(--ink);
  --radius:     14px;
}

/* ---------- 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);
  color: var(--ink);
  line-height:1.7;
  font-size:16px;
  letter-spacing:0.01em;
  position:relative;
}

/* 纸面网点纹理 */
body::before {
  content:'';
  position:fixed;
  inset:0;
  background-image: radial-gradient(var(--ink) 0.9px, transparent 0.9px);
  background-size: 22px 22px;
  opacity:0.055;
  pointer-events:none;
  z-index:0;
}

body > * { position:relative; z-index:1; }

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

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

a { color:inherit; }

:focus-visible {
  outline:3px solid var(--violet);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 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(18,194,160,0.06) 0%, rgba(255,176,32,0.07) 100%),
    #f8f9fa;
}

/* 区块之间的粗分割线 */
.section + .section { border-top:var(--rule); }

/* ---------- 导航 ---------- */
.site-header {
  position:fixed;
  top:0; left:0;
  width:100%;
  z-index:1000;
  background:rgba(253,247,238,0.92);
  backdrop-filter: blur(10px) saturate(1.4);
  border-bottom:var(--rule);
}

.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:8px;
  font-weight:800;
  font-size:1.2rem;
  text-decoration:none;
  color:inherit;
  letter-spacing:-0.02em;
}

.logo-icon {
  width:36px;
  height:36px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  background: var(--tangerine);
  color:#fff;
  border:var(--rule);
  box-shadow: 2px 2px 0 var(--ink);
  transform: rotate(-4deg);
  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:24px;
  list-style:none;
}

.main-nav a {
  text-decoration:none;
  font-size:0.9rem;
  font-weight:600;
  transition:0.2s;
  position:relative;
  padding:4px 0;
  color: var(--ink);
}

.main-nav a::after {
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background:var(--tangerine);
  transition:width .28s ease;
}

.main-nav a:hover { color:var(--tangerine); }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:8px 20px;
  border-radius:8px;
  color:#fff !important;
  font-weight:600;
  background: var(--violet);
  border:var(--rule);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}

.nav-cta::after { display:none; }

.nav-cta:hover {
  transform: translate(3px,3px);
  box-shadow: 0 0 0 var(--ink);
  color:#fff !important;
}

.menu-toggle {
  display:none;
  width:42px; height:40px;
  align-items:center;
  justify-content:center;
  background: var(--mango);
  border:var(--rule);
  border-radius:8px;
  box-shadow: var(--shadow-sm);
  font-size:1.1rem;
  cursor:pointer;
  color: var(--ink);
}

/* ---------- 首页 Hero ---------- */
.hero {
  min-height:70vh;
  display:flex;
  align-items:center;
  padding-top:120px;
  padding-bottom:80px;
  position:relative;
  overflow:hidden;
  isolation:isolate;
}

.hero::before,
.hero::after {
  content:'';
  position:absolute;
  border-radius:50%;
  filter: blur(60px);
  z-index:-1;
  pointer-events:none;
}

.hero::before {
  width:420px; height:420px;
  background: rgba(108,75,255,0.30);
  top:-120px; right:-80px;
  animation: floatA 14s ease-in-out infinite;
}

.hero::after {
  width:360px; height:360px;
  background: rgba(255,176,32,0.34);
  bottom:-140px; left:-100px;
  animation: floatB 18s ease-in-out infinite;
}

@keyframes floatA {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-40px,50px) scale(1.12); }
}

@keyframes floatB {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(60px,-40px) scale(1.08); }
}

.hero-content { max-width:720px; }

.hero-eyebrow {
  display:inline-block;
  font-size:0.85rem;
  font-weight:700;
  padding:6px 16px;
  border-radius:20px;
  margin-bottom:20px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  background: var(--mint);
  color:#fff;
  border:var(--rule);
  box-shadow: var(--shadow-sm);
  transform: rotate(-1.5deg);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.6vw, 3.6rem);
  line-height:1.12;
  margin-bottom:22px;
  letter-spacing:-0.035em;
  font-weight:900;
}

.hero h1 em,
.hero h1 strong {
  font-style:normal;
  position:relative;
  display:inline-block;
  color: var(--tangerine);
}

.hero p {
  font-size:1.1rem;
  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:var(--rule);
  box-shadow: var(--shadow-lg);
  background: var(--paper-2);
}

.hero-image img {
  width:100%;
  height:auto;
  display:block;
  transition: transform .6s cubic-bezier(.2,.7,.3,1);
}

.hero-image:hover img { transform: scale(1.04); }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 30px;
  border-radius:10px;
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  border:var(--rule);
  text-decoration:none;
  transition: transform .18s cubic-bezier(.34,1.56,.64,1), box-shadow .18s ease, background .2s ease;
  letter-spacing:0.02em;
}

.btn-primary {
  color:#fff;
  background: var(--tangerine);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translate(6px,6px);
  box-shadow: 0 0 0 var(--ink);
  background: var(--violet);
}

.btn-outline {
  background:transparent;
  border:1.5px solid var(--ink);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translate(3px,3px);
  box-shadow: 0 0 0 var(--ink);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display:inline-block;
  font-size:0.78rem;
  font-weight:800;
  letter-spacing:3px;
  margin-bottom:14px;
  text-transform:uppercase;
  color: var(--tangerine);
  padding-left:34px;
  position:relative;
}

.section-label::before {
  content:'';
  position:absolute;
  left:0; top:50%;
  width:22px; height:2px;
  background: var(--tangerine);
  transform: translateY(-50%);
}

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin-bottom:16px;
  letter-spacing:-0.03em;
  font-weight:900;
  line-height:1.22;
}

.section-desc {
  max-width:600px;
  color: var(--ink-soft);
  margin-bottom:40px;
  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:var(--rule);
  background: var(--paper);
  transition: transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease, background .22s ease;
  box-shadow: 0 0 0 var(--ink);
  position:relative;
  overflow:hidden;
}

.category-card::after {
  content:'';
  position:absolute;
  right:-40px; top:-40px;
  width:90px; height:90px;
  border-radius:50%;
  background: var(--mango);
  opacity:0;
  transition: opacity .3s ease, transform .3s ease;
}

.category-card:hover {
  transform: translate(-5px,-5px);
  box-shadow: var(--shadow-lg);
  background: #fff;
}

.category-card:hover::after { opacity:0.35; transform: scale(1.15); }

.card-icon {
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  font-size:1.3rem;
  border:var(--rule);
  background: var(--paper-2);
  box-shadow: var(--shadow-sm);
  transform: rotate(-3deg);
}

.category-card:nth-child(3n+1) .card-icon { background: var(--mint);    color:#fff; }
.category-card:nth-child(3n+2) .card-icon { background: var(--mango);   color:var(--ink); }
.category-card:nth-child(3n+3) .card-icon { background: var(--violet);  color:#fff; }

.category-card h3 {
  font-size:1.12rem;
  font-weight:800;
  margin-bottom:10px;
  letter-spacing:-0.01em;
}

.category-card p {
  font-size:0.92rem;
  color: var(--ink-soft);
  margin-bottom:18px;
}

.card-link {
  font-weight:800;
  font-size:0.85rem;
  text-decoration:none;
  color: var(--tangerine);
  letter-spacing:0.04em;
  display:inline-flex;
  align-items:center;
  gap:6px;
  position:relative;
}

.card-link::after {
  content:'→';
  transition: transform .25s ease;
}

.card-link:hover::after { transform: translateX(6px); }

/* ---------- 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(--rule);
  box-shadow: var(--shadow-lg);
  background: var(--paper-2);
  position:relative;
}

.feature-image::before {
  content:'';
  position:absolute;
  inset:0;
  background: linear-gradient(140deg, rgba(108,75,255,0.14), rgba(18,194,160,0.14));
  z-index:2;
  pointer-events:none;
}

.feature-image img {
  width:100%;
  height:auto;
  display:block;
  transition: transform .7s cubic-bezier(.2,.7,.3,1);
}

.feature-image:hover img { transform: scale(1.05); }

.feature-text h2,
.feature-text h3 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight:900;
  letter-spacing:-0.03em;
  line-height:1.25;
  margin-bottom:16px;
}

.feature-text p {
  color: var(--ink-soft);
  margin-bottom:16px;
}

.feature-list { list-style:none; margin-top:20px; }

.feature-list li {
  padding:9px 0;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.97rem;
  font-weight:600;
  border-bottom:1px dashed rgba(36,27,51,0.16);
}

.feature-list li:last-child { border-bottom:none; }

.feature-list li::before {
  content:'✓';
  font-weight:700;
  flex:none;
  width:24px;
  height:24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:0.75rem;
  border-radius:6px;
  background: var(--mint);
  color:#fff;
  border:1.5px solid 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:var(--rule);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  transition: transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
}

.stat-item:hover {
  transform: translate(-4px,-4px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight:900;
  letter-spacing:-0.04em;
  line-height:1.1;
  color: var(--ink);
}

.stat-item:nth-child(1) .stat-number { color: var(--tangerine); }
.stat-item:nth-child(2) .stat-number { color: var(--violet); }
.stat-item:nth-child(3) .stat-number { color: var(--mint); }
.stat-item:nth-child(4) .stat-number { color: var(--mango); }

.stat-label {
  font-size:0.88rem;
  color: var(--ink-soft);
  margin-top:8px;
  font-weight:600;
  letter-spacing:0.04em;
}

/* ---------- 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:var(--rule);
  background: var(--paper);
  transition: transform .22s cubic-bezier(.34,1.4,.64,1), box-shadow .22s ease;
  display:flex;
  flex-direction:column;
}

.content-wall-item:hover {
  transform: translate(-5px,-5px);
  box-shadow: var(--shadow-lg);
}

.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  filter: saturate(0.9) contrast(1.05);
  transition: filter .35s ease, transform .5s cubic-bezier(.2,.7,.3,1);
  border-bottom:var(--rule);
}

.content-wall-item:hover img {
  filter: saturate(1.15) contrast(1.08);
  transform: scale(1.03);
}

.content-wall-body { padding:22px 20px 24px; flex:1; }

.content-wall-body h3 {
  font-size:1.05rem;
  font-weight:800;
  margin-bottom:8px;
  letter-spacing:-0.01em;
}

.content-wall-body p {
  font-size:0.9rem;
  color: var(--ink-soft);
}

/* ---------- FAQ ---------- */
.faq-list { max-width:800px; margin:0 auto; }

.faq-item {
  border:var(--rule);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  cursor:pointer;
  background: var(--paper);
  box-shadow: 0 0 0 var(--ink);
  transition: transform .18s ease, box-shadow .18s ease, background .2s ease;
}

.faq-item:hover {
  transform: translate(-3px,-3px);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  background: #fff;
  box-shadow: var(--shadow-md);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-size:1rem;
}

.faq-item .faq-question::after {
  content:'+';
  flex:none;
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  border:1.5px solid var(--ink);
  background: var(--mango);
  font-weight:900;
  font-size:1.1rem;
  line-height:1;
  transition: transform .25s ease, background .25s ease;
}

.faq-item.open .faq-question::after {
  content:'−';
  background: var(--tangerine);
  color:#fff;
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding:0 22px 20px;
  display:none;
  color: var(--ink-soft);
  font-size:0.95rem;
  border-top:1px dashed rgba(36,27,51,0.18);
  padding-top:16px;
  margin:0 22px 20px;
}

.faq-item.open .faq-answer { display:block; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding:64px 24px;
  text-align:center;
  border-radius:20px;
  color:#fff;
  border:var(--rule);
  box-shadow: var(--shadow-lg);
  background:
    radial-gradient(circle at 12% 10%, rgba(255,255,255,0.35), transparent 45%),
    linear-gradient(115deg, var(--tangerine) 0%, var(--violet) 55%, var(--mint) 100%);
  position:relative;
  overflow:hidden;
}

.cta-banner::before {
  content:'';
  position:absolute;
  inset:0;
  background-image: radial-gradient(rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size:16px 16px;
  opacity:0.18;
  pointer-events:none;
}

.cta-banner h2 {
  color:#fff;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight:900;
  letter-spacing:-0.03em;
  margin-bottom:14px;
  position:relative;
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  max-width:520px;
  margin:0 auto 28px;
  position:relative;
}

.cta-banner .btn-primary {
  background:#fff;
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  position:relative;
}

.cta-banner .btn-primary:hover {
  background: var(--mango);
  transform: translate(5px,5px);
  box-shadow: 0 0 0 var(--ink);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding:56px 0 28px;
  background: var(--paper-2);
  border-top:var(--rule);
  color: var(--ink);
}

.site-footer .container { position:relative; }

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}

.footer-brand { max-width:320px; }

.footer-brand p {
  color: var(--ink-soft);
  font-size:0.92rem;
  margin-top:14px;
}

.footer-col h4 {
  font-size:0.82rem;
  font-weight:800;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:16px;
  color: var(--tangerine);
}

.footer-col ul { list-style:none; }

.footer-col li { margin-bottom:10px; }

.footer-col a {
  text-decoration:none;
  font-size:0.92rem;
  color: var(--ink-soft);
  transition: color .2s ease, padding-left .2s ease;
  display:inline-block;
}

.footer-col a:hover {
  color: var(--ink);
  padding-left:6px;
}

.footer-bottom {
  border-top:1px solid rgba(36,27,51,0.18);
  margin-top:40px;
  padding-top:22px;
  text-align:center;
  font-size:0.85rem;
  color: var(--ink-soft);
  letter-spacing:0.02em;
}

/* ---------- 工具类 ---------- */
.text-accent { color: var(--tangerine); }

.text-center { text-align:center; }

.text-center .section-desc { margin-left:auto; margin-right:auto; }

.text-center .section-label { padding-left:0; }
.text-center .section-label::before { display:none; }

.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  color: var(--ink-soft);
}

.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .footer-brand { grid-column:1 / -1; max-width:none; }
  .feature-block { gap:36px; }
}

@media (max-width: 768px) {
  .section { padding:60px 0; }

  .feature-block { grid-template-columns:1fr; }

  .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:stretch;
    gap:0;
    position:absolute;
    top:68px;
    left:0;
    width:100%;
    background: var(--paper);
    padding:16px 24px 24px;
    border-bottom:var(--rule);
    box-shadow: 0 12px 0 rgba(36,27,51,0.08);
  }

  .main-nav.open a {
    padding:14px 0;
    border-bottom:1px dashed rgba(36,27,51,0.16);
    font-size:1rem;
  }

  .main-nav.open .nav-cta {
    margin-top:14px;
    text-align:center;
    justify-content:center;
    border-bottom:none;
    box-shadow: var(--shadow-sm);
  }

  .hero { padding-top:110px; min-height:auto; }

  .cta-banner { padding:48px 20px; border-radius:16px; }
}

@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 { font-size:2rem; }

  .category-card { padding:22px; }

  .btn { padding:12px 22px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}