/* ========================================= */
/*  90分钟爱情 · Awwwards Design System      */
/*  "Sorbet Paper" — bright, tactile, bold  */
/* ========================================= */

:root {
  --bg: #FFF9F2;
  --bg-alt: #FDEEDB;
  --ink: #2B201A;
  --muted: #6B5B50;
  --pink: #FF6B8C;
  --orange: #FFA144;
  --lime: #C6F14E;
  --sky: #6BC7F5;
  --purple: #B98EF5;
  --card-bg: rgba(255, 255, 255, 0.72);
  --border: rgba(43, 32, 26, 0.16);
  --brown: #2B201A;
  --shadow: 6px 6px 0 var(--brown);
  --shadow-sm: 4px 4px 0 rgba(43, 32, 26, 0.7);
  --radius: 24px;
  --radius-blob: 38% 62% 63% 37% / 41% 44% 56% 59%;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 161, 68, 0.16) 0%, transparent 36%),
    radial-gradient(circle at 100% 0%, rgba(255, 107, 140, 0.14) 0%, transparent 32%),
    radial-gradient(circle at 50% 100%, rgba(107, 199, 245, 0.18) 0%, transparent 30%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

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

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(var(--brown) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.05;
  pointer-events: none;
}

.blob-bg {
  position: fixed;
  width: 340px;
  height: 340px;
  border-radius: 42% 58% 63% 37% / 36% 45% 55% 64%;
  filter: blur(90px);
  opacity: 0.55;
  z-index: -1;
  animation: slowDrift 18s infinite alternate ease-in-out;
  pointer-events: none;
}

.blob-bg--one {
  top: -60px;
  right: -80px;
  background: var(--pink);
}

.blob-bg--two {
  bottom: -80px;
  left: -100px;
  background: var(--sky);
  animation-delay: -6s;
}

.blob-bg--three {
  top: 50%;
  left: 50%;
  width: 460px;
  height: 460px;
  background: var(--lime);
  opacity: 0.35;
  animation-delay: -12s;
}

@keyframes slowDrift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.08); }
  100% { transform: translate(-20px, 30px) scale(0.96); }
}

/* 核心布局 — 必须居中 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-alt);
}

/* 导航 — 固定顶部 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 2px solid var(--brown);
}

.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: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.5px;
  transform: rotate(-1deg);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 2px solid var(--brown);
  box-shadow: var(--shadow-sm);
  color: var(--bg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  padding: 6px 2px;
  position: relative;
  transition: 0.2s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--pink);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.main-nav a:hover {
  color: var(--pink);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 9px 22px;
  border-radius: 60px;
  background: var(--brown);
  color: var(--bg) !important;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--brown);
  transition: 0.2s;
}

.nav-cta:hover {
  background: var(--lime);
  color: var(--brown) !important;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(43, 32, 26, 0.7);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 2px solid var(--brown);
  border-radius: 14px;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--brown);
  display: block;
  border-radius: 2px;
}

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

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 6px 18px;
  border-radius: 60px;
  margin-bottom: 20px;
  background: var(--lime);
  color: var(--brown);
  border: 2px solid var(--brown);
  box-shadow: 3px 3px 0 var(--brown);
  transform: rotate(-2deg);
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.08;
  margin-bottom: 22px;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(100deg, var(--pink), var(--orange), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(3px 3px 0 rgba(43, 32, 26, 0.15));
}

.hero p {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--radius-blob);
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(4deg);
  max-width: 520px;
  width: 40vw;
  min-width: 300px;
  border: 3px solid var(--brown);
  box-shadow: 12px 12px 0 rgba(43, 32, 26, 0.7);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.hero::before {
  content: '';
  position: absolute;
  left: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  background: var(--orange);
  opacity: 0.25;
  border-radius: 46% 54% 38% 62% / 52% 46% 54% 48%;
  filter: blur(24px);
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  right: 20%;
  top: 20%;
  width: 200px;
  height: 200px;
  background: var(--purple);
  opacity: 0.25;
  border-radius: 46% 54% 38% 62% / 52% 46% 54% 48%;
  filter: blur(18px);
  z-index: 0;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid var(--brown);
  text-decoration: none;
  transition: 0.2s;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--orange));
  color: var(--bg);
  box-shadow: 5px 5px 0 var(--brown);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--brown);
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--brown);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.7);
  color: var(--brown);
  border: 2px solid var(--brown);
  box-shadow: 5px 5px 0 var(--brown);
}

.btn-outline:hover {
  background: var(--lime);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--brown);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 12px;
  padding: 4px 14px;
  border: 2px solid var(--brown);
  border-radius: 30px;
  background: var(--sky);
  color: var(--brown);
  transform: rotate(-1deg);
  text-transform: uppercase;
}

.section-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.1;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 60%;
  height: 10px;
  background: var(--pink);
  opacity: 0.4;
  border-radius: 6px;
  z-index: -1;
}

.section-desc {
  max-width: 640px;
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 48px;
  line-height: 1.8;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.category-card {
  border-radius: var(--radius);
  padding: 30px 28px;
  border: 2px solid var(--brown);
  background: var(--card-bg);
  box-shadow: 5px 5px 0 var(--brown);
  transition: 0.25s cubic-bezier(0.2, 0.9, 0.4, 1);
  backdrop-filter: blur(4px);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--pink), var(--orange), var(--lime), var(--sky));
}

.category-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 10px 10px 0 var(--ink);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.6rem;
  background: var(--lime);
  border: 2px solid var(--brown);
  box-shadow: 3px 3px 0 var(--brown);
}

.category-card:nth-child(1) .card-icon { background: var(--pink); }
.category-card:nth-child(2) .card-icon { background: var(--sky); }
.category-card:nth-child(3) .card-icon { background: var(--orange); }
.category-card:nth-child(4) .card-icon { background: var(--purple); }

.card-link {
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--brown);
  border-bottom: 2px solid var(--pink);
  padding-bottom: 2px;
  transition: 0.2s;
}

.card-link:hover {
  background: var(--lime);
  border-bottom: 2px solid var(--brown);
  padding-left: 6px;
  padding-right: 6px;
}

/* 特性块 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--brown);
  box-shadow: 10px 10px 0 var(--brown);
  transform: rotate(-2deg);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text {
  position: relative;
  z-index: 2;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  border-bottom: 1px dashed var(--border);
}

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

.feature-list li::before {
  content: '↗';
  font-weight: 900;
  color: var(--pink);
  font-size: 1.3rem;
}

/* 数据条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 30px;
  border: 2px solid var(--brown);
  background: var(--bg);
  box-shadow: 6px 6px 0 var(--brown);
  transition: 0.25s;
}

.stat-item:hover {
  transform: rotate(-1deg) scale(1.03);
  box-shadow: 10px 10px 0 var(--brown);
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--pink);
  letter-spacing: -2px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--muted);
  margin-top: 8px;
  font-weight: 600;
}

/* 内容墙 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 24px;
  overflow: hidden;
  border: 2px solid var(--brown);
  background: var(--bg);
  box-shadow: 6px 6px 0 var(--brown);
  transition: 0.25s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.content-wall-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--brown);
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-bottom: 2px solid var(--brown);
  transition: 0.4s;
}

.content-wall-item:hover img {
  filter: saturate(1.2) contrast(1.05);
  transform: scale(1.03);
}

.content-wall-body {
  padding: 22px;
}

.content-wall-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.95rem;
  color: var(--muted);
}

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

.faq-item {
  border: 2px solid var(--brown);
  border-radius: 20px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 4px 4px 0 var(--brown);
  transition: 0.2s;
}

.faq-item:hover {
  background: #fff;
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 800;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 500;
  transition: transform 0.3s;
  color: var(--pink);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--orange);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.8;
  font-size: 1rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* CTA横幅 */
.cta-banner {
  padding: 68px 28px;
  text-align: center;
  border-radius: 36px;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.4), transparent 22%),
    linear-gradient(135deg, var(--pink), var(--orange), var(--purple));
  border: 3px solid var(--brown);
  box-shadow: 12px 12px 0 var(--brown);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 3px solid var(--brown);
  background: var(--lime);
  width: 64px;
  height: 64px;
}

.cta-banner::before {
  top: -24px;
  right: 40px;
  background: var(--sky);
}

.cta-banner::after {
  bottom: -28px;
  left: 30px;
  background: var(--lime);
}

.cta-banner h2 {
  color: var(--bg);
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 14px;
  text-shadow: 3px 3px 0 var(--brown);
}

.cta-banner p {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-bottom: 28px;
}

.cta-banner .btn-primary {
  background: var(--bg);
  color: var(--brown);
  border: 2px solid var(--brown);
}

.cta-banner .btn-primary:hover {
  background: var(--lime);
  color: var(--brown);
}

/* 页脚 */
.site-footer {
  padding: 64px 0 28px;
  background: var(--bg-alt);
  border-top: 2px solid var(--brown);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--pink), var(--orange), var(--lime), var(--sky), var(--purple));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

.footer-col ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: 0.2s;
  border-bottom: 1px solid transparent;
}

.footer-col ul a:hover {
  color: var(--pink);
  border-bottom: 1px solid var(--pink);
}

.footer-bottom {
  border-top: 2px dashed var(--border);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.75;
  font-size: 1.05rem;
  line-height: 1.7;
}

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

/* ⚠️ 响应式 */
@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-image {
    position: relative;
    transform: rotate(0deg);
    width: 100%;
    max-width: 520px;
    margin-top: 48px;
    top: auto;
    left: auto;
    right: auto;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2.4rem;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 24px;
    border-bottom: 2px solid var(--brown);
    gap: 18px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  }

  .main-nav.open a {
    font-size: 1.1rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .cta-banner h2 {
    font-size: 2rem;
  }
}

@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;
  }

  .btn {
    justify-content: center;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2.4rem;
  }
}