/* ============================================================
   动漫大全yqzfb — Sakura Drift Design System
   Domain: dongmandaquann.com.cn
   Style: Warm Editorial × Anime Energy
   ============================================================ */

:root {
  --primary: #FF5E7E;
  --primary-dark: #E84A6C;
  --primary-light: #FFD3DC;
  --secondary: #3DC1A8;
  --secondary-dark: #2A9D8F;
  --secondary-light: #D1F0E8;
  --accent: #FFC95E;
  --accent-light: #FFF0D0;
  --bg: #FDF9F1;
  --bg-alt: #FFF3E8;
  --surface: #FFFFFF;
  --text: #2D2A26;
  --text-soft: #756E63;
  --border: rgba(45, 42, 38, 0.08);
  --shadow-pink: 0 10px 32px rgba(255, 94, 126, 0.16);
  --shadow-teal: 0 10px 32px rgba(61, 193, 168, 0.16);
  --shadow-amber: 0 10px 32px rgba(255, 201, 94, 0.20);
  --radius-blob: 24px 24px 24px 6px;
  --radius-pill: 999px;
}

*, *::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(--bg);
  background-image: radial-gradient(rgba(45, 42, 38, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-light), var(--secondary-light));
  border-radius: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

/* ========== 核心布局 ========== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  scroll-margin-top: 72px;
  overflow: hidden;
}

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

.section:nth-child(even)::before {
  content: '●';
  position: absolute;
  top: 40px;
  right: 30px;
  font-size: 14px;
  color: var(--primary);
  opacity: 0.15;
}

/* ========== 导航 ========== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 249, 241, 0.86);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 94, 126, 0.12);
  box-shadow: 0 4px 24px rgba(255, 94, 126, 0.06);
  transition: box-shadow 0.35s ease, background 0.35s ease;
}

.site-header:hover {
  box-shadow: 0 4px 28px rgba(255, 94, 126, 0.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.22rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.4px;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: translateY(-1px);
}

.logo:hover .logo-icon {
  transform: rotate(-10deg) scale(1.12);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px 14px 14px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 94, 126, 0.35);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

.main-nav a:not(.nav-cta):hover {
  color: var(--primary-dark);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 26px;
  border-radius: var(--radius-pill);
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 20px rgba(255, 94, 126, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 94, 126, 0.4) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 8px 10px;
  transition: border-color 0.2s;
}

.menu-toggle:hover {
  border-color: var(--primary-light);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Hero ========== */

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  padding-top: 90px;
  padding-bottom: 60px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 8%;
  right: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 94, 126, 0.12) 0%, transparent 65%);
  pointer-events: none;
  animation: heroFloat 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 4%;
  left: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 193, 168, 0.14) 0%, transparent 65%);
  pointer-events: none;
  animation: heroFloat 8s ease-in-out infinite reverse;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.04); }
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
  flex: 1 1 400px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  background: var(--secondary-light);
  color: var(--secondary-dark);
  letter-spacing: 1.5px;
  box-shadow: inset 0 -2px 0 rgba(42, 157, 143, 0.25);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.12;
  margin-bottom: 24px;
  letter-spacing: -2px;
  font-weight: 900;
  color: var(--text);
}

.hero h1 .text-accent {
  background: linear-gradient(135deg, var(--primary), var(--accent) 60%, var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.14rem;
  opacity: 0.72;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.85;
  color: var(--text-soft);
}

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

.hero-image {
  flex: 1 1 320px;
  border-radius: var(--radius-blob);
  overflow: hidden;
  box-shadow: var(--shadow-pink);
  position: relative;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-image::after {
  content: '一起追';
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(253, 249, 241, 0.85);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.hero-image:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 0 18px 48px rgba(255, 94, 126, 0.25);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ========== 按钮 ========== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:active {
  transform: translateY(-1px) scale(0.97);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: 0 8px 24px rgba(255, 94, 126, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 14px 36px rgba(255, 94, 126, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary-dark);
}

.btn-outline:hover {
  background: var(--secondary);
  color: #fff;
  box-shadow: var(--shadow-teal);
}

/* ========== 标签 / 标题 ========== */

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: var(--primary);
  position: relative;
  padding-left: 22px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50% 50% 60% 40%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 2px 6px rgba(255, 94, 126, 0.3);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -1.2px;
  line-height: 1.25;
  color: var(--text);
}

.section-desc {
  max-width: 620px;
  opacity: 0.72;
  margin-bottom: 48px;
  line-height: 1.85;
  font-size: 1.05rem;
  color: var(--text-soft);
}

/* ========== 卡片网格 ========== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: var(--radius-blob);
  padding: 34px 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(255, 201, 94, 0.18);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 0;
}

.category-card:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  box-shadow: var(--shadow-pink);
  border-color: var(--primary-light);
}

.category-card:hover::before {
  transform: scale(3);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px 16px 16px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
  color: #fff;
  box-shadow: 0 6px 16px rgba(61, 193, 168, 0.3);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  z-index: 1;
}

.category-card:nth-child(2n) .card-icon {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 6px 16px rgba(255, 94, 126, 0.3);
}

.category-card:nth-child(3n) .card-icon {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  box-shadow: 0 6px 16px rgba(255, 201, 94, 0.4);
}

.category-card:hover .card-icon {
  transform: rotate(-10deg) scale(1.1);
}

.category-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-dark);
  margin-top: 16px;
  position: relative;
  z-index: 1;
  transition: gap 0.3s ease, color 0.25s ease;
}

.card-link::before {
  content: '→';
  transition: transform 0.3s ease;
}

.card-link:hover {
  gap: 10px;
  color: var(--primary);
}

/* ========== 特性块 ========== */

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

.feature-image {
  border-radius: var(--radius-blob);
  overflow: hidden;
  box-shadow: var(--shadow-pink);
  position: relative;
  transform: rotate(-1deg);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.feature-image::after {
  content: '✦';
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 1.3rem;
  color: var(--accent);
  text-shadow: 0 2px 10px rgba(255, 201, 94, 0.5);
}

.feature-image:hover {
  transform: rotate(0deg) translateY(-3px);
  box-shadow: 0 20px 48px rgba(255, 94, 126, 0.25);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  padding: 12px 0;
}

.feature-text .section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.feature-text .section-desc {
  margin-bottom: 20px;
}

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

.feature-list li {
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.02rem;
  color: var(--text-soft);
  border-bottom: 1px dashed var(--border);
}

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

.feature-list li::before {
  content: '✧';
  font-weight: 700;
  color: var(--secondary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.feature-list li:nth-child(2n)::before {
  color: var(--primary);
}

.feature-list li:nth-child(3n)::before {
  color: var(--accent);
}

/* ========== 数据条 ========== */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 34px 20px 30px;
  border-radius: var(--radius-blob);
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
  opacity: 0;
  transition: opacity 0.35s ease, left 0.35s ease, right 0.35s ease;
}

.stat-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-pink);
}

.stat-item:hover::after {
  opacity: 1;
  left: 10%;
  right: 10%;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--primary), var(--accent) 70%, var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-number::after {
  content: attr(data-suffix);
  font-size: 1.4rem;
  font-weight: 700;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  font-weight: 500;
  color: var(--text-soft);
}

/* ========== 内容墙 ========== */

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

.content-wall-item {
  border-radius: var(--radius-blob);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
  position: relative;
}

.content-wall-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
  opacity: 0;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.content-wall-item:hover {
  transform: translateY(-6px) rotate(0.4deg);
  box-shadow: var(--shadow-teal);
}

.content-wall-item:hover::before {
  opacity: 1;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

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

.content-wall-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.62;
  line-height: 1.7;
  color: var(--text-soft);
}

.content-wall-body .card-link {
  margin-top: 12px;
}

/* ========== FAQ ========== */

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 18px 18px 18px 4px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 6px 20px rgba(45, 42, 38, 0.06);
  border-color: var(--secondary-light);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  transition: color 0.25s ease;
}

.faq-item .faq-question::after {
  content: '';
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--secondary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='%233DC1A8'%3E%3Cpath d='M6 1v10M1 6h10' stroke='%233DC1A8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/10px no-repeat;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(135deg);
  background-color: var(--primary-light);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.72;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqIn 0.35s ease;
}

@keyframes faqIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 0.72; transform: translateY(0); }
}

.faq-item.open {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-pink);
}

/* ========== CTA横幅 ========== */

.cta-banner {
  padding: 68px 32px;
  text-align: center;
  border-radius: 36px 36px 36px 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 40%, #FF8A98 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 94, 126, 0.35);
}

.cta-banner::before {
  content: 'アニメ';
  position: absolute;
  top: -30px;
  right: 10px;
  font-size: 6rem;
  font-weight: 900;
  opacity: 0.08;
  letter-spacing: -4px;
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 14px;
  font-weight: 900;
  letter-spacing: -1px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  margin-top: 18px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

/* ========== 页脚 ========== */

.site-footer {
  padding: 64px 0 28px;
  background: var(--bg-alt);
  border-top: 2px dashed var(--primary-light);
  color: var(--text);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin-top: 12px;
  line-height: 1.7;
  max-width: 260px;
}

.footer-brand .logo {
  margin-bottom: 8px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.footer-col a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.92rem;
  transition: color 0.25s, padding-left 0.25s;
  padding-left: 0;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a {
  color: var(--secondary-dark);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ========== 工具类 ========== */

.text-accent {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-amber {
  color: var(--accent);
}

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

.text-center .section-label {
  text-align: center;
  padding-left: 0;
}

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

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.72;
  color: var(--text-soft);
  line-height: 1.8;
  text-align: center;
}

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

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

/* ========== 响应式 ========== */

@media (max-width: 992px) {
  .feature-block {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-image {
    max-width: 100%;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(253, 249, 241, 0.97);
    backdrop-filter: blur(20px);
    padding: 24px 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(45, 42, 38, 0.08);
    animation: menuDrop 0.3s ease;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 12px 8px;
    font-size: 1.05rem;
    border-radius: 10px;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .main-nav a:not(.nav-cta):hover {
    background: var(--secondary-light);
    color: var(--secondary-dark);
  }

  .main-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    margin-top: 8px;
    text-align: center;
    width: 100%;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 48px;
    justify-content: center;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

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

@keyframes menuDrop {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  .section-title {
    font-size: 1.7rem;
  }

  .hero h1 {
    font-size: 2.2rem;
    letter-spacing: -1px;
  }

  .cta-banner {
    padding: 48px 20px;
    border-radius: 24px 24px 24px 6px;
  }

  .cta-banner::before {
    font-size: 4rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .header-inner {
    padding: 0 16px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
}