/* ============================================
   海棠书屋漫画 · CSS设计系统
   主题：和纸漫画 · 海棠花语
   配色：宣纸白 / 海棠粉 / 深青 / 琥珀金
   ============================================ */

/* 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: #FFFDF7;
  background-image: radial-gradient(rgba(232, 97, 124, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  color: #2D2A2A;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #E8617C; color: #FFFDF7; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #F7F2EA; }
::-webkit-scrollbar-thumb { background: rgba(232,97,124,0.45); border-radius: 6px; }

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

/* 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:#F0F6F5; }

/* 导航 */
.site-header {
  position:fixed;
  top:0; left:0;
  width:100%;
  z-index:1000;
  background:rgba(255,253,247,0.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(42,92,92,0.08);
  transition:box-shadow .3s ease;
}

.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:800;
  font-size:1.25rem;
  letter-spacing:-0.5px;
  text-decoration:none;
  color:#1E3A3A;
}

.logo-icon {
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  background:linear-gradient(135deg,#E8617C,#D64D67);
  color:#fff;
  box-shadow:0 4px 12px rgba(232,97,124,0.35);
  transform:rotate(-4deg);
  transition:transform .3s ease;
}
.logo:hover .logo-icon { transform:rotate(4deg) scale(1.05); }

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

.main-nav a {
  text-decoration:none;
  font-size:0.9rem;
  font-weight:500;
  color:#2D2A2A;
  padding:8px 2px;
  border-bottom:2px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
.main-nav a:hover {
  color:#E8617C;
  border-bottom-color:#E8617C;
}

.nav-cta {
  padding:9px 22px !important;
  border-radius:30px !important;
  background:linear-gradient(135deg,#E8617C,#D64D67);
  color:#fff !important;
  font-weight:600 !important;
  border-bottom:none !important;
  box-shadow:0 4px 14px rgba(232,97,124,0.35);
  transition:transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(232,97,124,0.45);
  border-bottom:none !important;
}

.menu-toggle {
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  background:#F7F2EA;
  border:2px solid #E8E0D8;
  border-radius:12px;
  cursor:pointer;
  position:relative;
}
.menu-toggle::before {
  content:'';
  width:18px;
  height:2px;
  background:#2A5C5C;
  border-radius:2px;
  box-shadow:0 -6px 0 #2A5C5C, 0 6px 0 #2A5C5C;
}

/* ===== Hero ===== */
.hero {
  min-height:80vh;
  display:flex;
  align-items:center;
  position:relative;
  padding:120px 0 80px;
  background:
    radial-gradient(ellipse at 82% 22%, rgba(232,97,124,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 12% 85%, rgba(42,92,92,0.08) 0%, transparent 45%);
}

.hero::before {
  content:'';
  position:absolute;
  top:18%;
  right:5%;
  width:120px;
  height:120px;
  background-image:radial-gradient(circle, rgba(232,97,124,0.22) 2px, transparent 2px);
  background-size:12px 12px;
  border-radius:24px;
  transform:rotate(10deg);
  pointer-events:none;
}

.hero::after {
  content:'✤';
  position:absolute;
  top:24%;
  right:16%;
  font-size:2.6rem;
  color:#E6B84D;
  opacity:0.55;
  pointer-events:none;
  animation:floatY 3.5s ease-in-out infinite;
}

.hero .container {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:64px;
}

.hero-content { flex:1.1; max-width:720px; position:relative; z-index:1; }

.hero-eyebrow {
  display:inline-block;
  font-size:0.82rem;
  font-weight:700;
  letter-spacing:1px;
  padding:6px 18px;
  border-radius:30px;
  margin-bottom:20px;
  background:linear-gradient(135deg, rgba(232,97,124,0.12), rgba(230,184,77,0.12));
  color:#D64D67;
  border:1px solid rgba(232,97,124,0.18);
}

.hero h1 {
  font-size:3.2rem;
  font-weight:900;
  line-height:1.1;
  margin-bottom:18px;
  color:#1E3A3A;
  letter-spacing:-1.5px;
}

.hero h1 span {
  color:#E8617C;
  position:relative;
  z-index:0;
  white-space:nowrap;
}
.hero h1 span::before {
  content:'';
  position:absolute;
  left:-0.08em;
  right:-0.08em;
  bottom:0.08em;
  height:0.42em;
  background:linear-gradient(90deg, rgba(230,184,77,0.5), rgba(232,97,124,0.35));
  border-radius:0.2em;
  z-index:-1;
}

.hero p {
  font-size:1.12rem;
  opacity:0.65;
  max-width:560px;
  margin-bottom:34px;
  line-height:1.8;
}

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

.hero-image {
  flex:1;
  min-width:0;
  border-radius:24px;
  overflow:hidden;
  border:3px solid #1E4A4A;
  box-shadow:14px 14px 0 0 rgba(232,97,124,0.18);
  transition:transform .3s ease, box-shadow .3s ease;
}
.hero-image:hover {
  transform:translate(-3px,-3px);
  box-shadow:18px 18px 0 0 rgba(232,97,124,0.22);
}
.hero-image img {
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.05) contrast(1.02);
}

/* ===== 按钮 ===== */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 30px;
  border-radius:30px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:all .3s ease;
  position:relative;
  overflow:hidden;
}

.btn-primary {
  background:linear-gradient(135deg,#E8617C,#D64D67);
  color:#fff;
  box-shadow:0 6px 20px rgba(232,97,124,0.35);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(232,97,124,0.45);
}

.btn-outline {
  background:transparent;
  border:2px solid #2A5C5C;
  color:#2A5C5C;
}
.btn-outline:hover {
  background:#2A5C5C;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(42,92,92,0.25);
}

/* ===== 标题标签 ===== */
.section-label {
  display:inline-block;
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:3px;
  margin-bottom:14px;
  color:#E8617C;
  text-transform:uppercase;
  padding-left:30px;
  position:relative;
}
.section-label::before {
  content:'';
  position:absolute;
  left:0;
  top:50%;
  width:20px;
  height:2px;
  background:#E8617C;
  border-radius:2px;
}
.section-label::after {
  content:'';
  position:absolute;
  left:0;
  top:calc(50% - 4px);
  width:6px;
  height:6px;
  background:#2A5C5C;
  border-radius:50%;
  transform:translateX(-1px);
}

.section-title {
  font-size:2.3rem;
  font-weight:800;
  color:#1E3A3A;
  letter-spacing:-0.5px;
  margin-bottom:16px;
  line-height:1.25;
}
.section-title::after {
  content:'';
  display:block;
  width:56px;
  height:4px;
  margin-top:12px;
  border-radius:4px;
  background:linear-gradient(90deg,#E8617C,#E6B84D);
}

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

.section-desc {
  max-width:600px;
  opacity:0.7;
  margin-bottom:42px;
  font-size:1rem;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(270px,1fr));
  gap:30px;
}

.category-card {
  background:#FFFFFF;
  border-radius:18px 18px 18px 6px;
  padding:30px 28px;
  border:2px solid #E8E0D8;
  position:relative;
  box-shadow:8px 8px 0 0 rgba(232,97,124,0.10);
  transform:rotate(-0.4deg);
  transition:all .3s ease;
  overflow:hidden;
}
.category-card:nth-child(even) { transform:rotate(0.6deg); }
.category-card:hover {
  transform:rotate(0deg) translate(-3px,-3px);
  box-shadow:12px 12px 0 0 rgba(42,92,92,0.14);
  border-color:rgba(232,97,124,0.4);
}

.category-card::before {
  content:'';
  position:absolute;
  top:0;
  left:24px;
  width:44px;
  height:5px;
  border-radius:0 0 5px 5px;
  background:linear-gradient(90deg,#E8617C,#E6B84D);
}

.category-card h3 {
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:8px;
  color:#1E3A3A;
}
.category-card p {
  font-size:0.9rem;
  opacity:0.7;
  margin-bottom:16px;
  line-height:1.6;
}

.card-icon {
  width:52px;
  height:52px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  font-size:1.5rem;
  background:linear-gradient(135deg,#FDECEC,#F7F2EA);
  color:#E8617C;
  border:1px solid rgba(232,97,124,0.12);
}

.card-link {
  font-weight:600;
  font-size:0.85rem;
  text-decoration:none;
  color:#E8617C;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease;
}
.card-link::after { content:'→'; transition:transform .2s ease; }
.card-link:hover { color:#2A5C5C; }
.card-link:hover::after { transform:translateX(4px); }

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

.feature-image {
  border-radius:20px;
  overflow:hidden;
  border:2px solid #2A5C5C;
  box-shadow:10px 10px 0 0 rgba(230,184,77,0.25);
  position:relative;
  transition:transform .3s ease, box-shadow .3s ease;
}
.feature-image:hover {
  transform:translate(-3px,-3px);
  box-shadow:14px 14px 0 0 rgba(230,184,77,0.3);
}
.feature-image img {
  width:100%;
  height:100%;
  object-fit:cover;
}

.feature-text h3 {
  font-size:1.5rem;
  font-weight:800;
  color:#1E3A3A;
  margin-bottom:14px;
  line-height:1.4;
}
.feature-text > p {
  opacity:0.7;
  margin-bottom:22px;
  line-height:1.75;
}

.feature-list {
  list-style:none;
  margin-top:8px;
}
.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:500;
}
.feature-list li::before {
  content:'✦';
  font-weight:700;
  color:#E8617C;
  font-size:1.05rem;
}

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

.stat-item {
  background:#FFFDF7;
  padding:28px 20px;
  border-radius:18px;
  border:2px solid #E8E0D8;
  box-shadow:6px 6px 0 0 rgba(42,92,92,0.08);
  position:relative;
  overflow:hidden;
  transition:all .3s ease;
}
.stat-item:hover {
  transform:translateY(-4px);
  box-shadow:8px 8px 0 0 rgba(232,97,124,0.16);
}
.stat-item::after {
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,#E8617C,#E6B84D);
  border-radius:4px 4px 0 0;
}

.stat-number {
  font-size:2.6rem;
  font-weight:900;
  color:#E8617C;
  line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-2px;
}
.stat-label {
  font-size:0.9rem;
  opacity:0.6;
  margin-top:8px;
  font-weight:500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:30px;
}

.content-wall-item {
  background:#FFFDF7;
  border-radius:16px;
  overflow:hidden;
  border:2px solid #E8E0D8;
  box-shadow:6px 6px 0 0 rgba(42,92,92,0.08);
  transition:all .3s ease;
}
.content-wall-item:hover {
  transform:translate(-3px,-3px);
  box-shadow:10px 10px 0 0 rgba(232,97,124,0.16);
  border-color:rgba(232,97,124,0.4);
}
.content-wall-item img {
  width:100%;
  height:210px;
  object-fit:cover;
  transition:transform .45s ease;
}
.content-wall-item:hover img { transform:scale(1.05); }

.content-wall-body { padding:22px 22px 24px; }
.content-wall-body h4 {
  font-size:1.05rem;
  font-weight:700;
  color:#1E3A3A;
  margin-bottom:6px;
}
.content-wall-body p {
  font-size:0.88rem;
  opacity:0.7;
  line-height:1.6;
}

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

.faq-item {
  background:#FFFDF7;
  border:2px solid #E8E0D8;
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  cursor:pointer;
  box-shadow:4px 4px 0 0 rgba(42,92,92,0.06);
  transition:all .3s ease;
}
.faq-item:hover { border-color:rgba(232,97,124,0.3); }
.faq-item.open {
  border-color:#E8617C;
  box-shadow:4px 4px 0 0 rgba(232,97,124,0.14);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:600;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:#1E3A3A;
  transition:color .2s ease;
}
.faq-item .faq-question::after {
  content:'+';
  font-size:1.5rem;
  color:#E8617C;
  font-weight:400;
  transition:transform .25s ease;
}
.faq-item.open .faq-question { color:#E8617C; }
.faq-item.open .faq-question::after {
  content:'−';
  transform:rotate(180deg);
}

.faq-item .faq-answer {
  padding:0 22px 20px;
  display:none;
  opacity:0.7;
  line-height:1.7;
  font-size:0.95rem;
}
.faq-item.open .faq-answer { display:block; animation:fadeIn .3s ease; }

/* ===== CTA横幅 ===== */
.cta-banner {
  padding:60px 40px;
  text-align:center;
  border-radius:28px;
  color:#fff;
  background:linear-gradient(135deg,#2A5C5C 0%,#1E4A4A 70%,#3A6C6C 100%);
  position:relative;
  overflow:hidden;
  box-shadow:0 20px 60px rgba(30,74,74,0.25);
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-40%;
  right:-8%;
  width:320px;
  height:320px;
  border-radius:50%;
  background:rgba(255,255,255,0.04);
}
.cta-banner::after {
  content:'✳';
  position:absolute;
  bottom:16px;
  left:36px;
  font-size:3.4rem;
  color:rgba(255,255,255,0.1);
  pointer-events:none;
}
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:800; margin-bottom:12px; }
.cta-banner p { color:rgba(255,255,255,0.75); margin-bottom:28px; }

.cta-banner .btn-primary {
  background:#fff;
  color:#2A5C5C !important;
  border-radius:30px;
  box-shadow:0 6px 20px rgba(0,0,0,0.15);
}
.cta-banner .btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(0,0,0,0.22);
}

/* ===== 页脚 ===== */
.site-footer {
  background:#F7F2EA;
  padding:60px 0 30px;
  position:relative;
  margin-top:20px;
}
.site-footer::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,#E8617C,#E6B84D,#2A5C5C);
}

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

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

.footer-brand .logo { color:#1E3A3A; margin-bottom:10px; }
.footer-brand .logo-icon {
  width:36px;
  height:36px;
  font-size:0.95rem;
}
.footer-brand p {
  font-size:0.9rem;
  opacity:0.7;
  max-width:300px;
  margin-top:14px;
  line-height:1.7;
}

.footer-col h4 {
  font-size:1rem;
  font-weight:700;
  margin-bottom:16px;
  color:#1E3A3A;
}
.footer-col a {
  display:block;
  padding:5px 0;
  color:rgba(45,42,42,0.7);
  text-decoration:none;
  font-size:0.9rem;
  transition:color .2s ease, padding-left .2s ease;
}
.footer-col a:hover {
  color:#E8617C;
  padding-left:6px;
}

.footer-bottom {
  border-top:1px solid rgba(42,92,92,0.12);
  margin-top:46px;
  padding-top:22px;
  text-align:center;
  font-size:0.85rem;
  opacity:0.6;
}

/* ===== 工具类 ===== */
.text-accent { color:#E8617C; font-weight:600; }
.text-center { text-align:center; }

.seo-description {
  max-width:640px;
  margin:0 auto 48px;
  opacity:0.7;
  line-height:1.8;
}

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

/* ===== 动画 ===== */
@keyframes floatY {
  0%, 100% { transform:translateY(0) rotate(0deg); }
  50% { transform:translateY(-12px) rotate(4deg); }
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size:2.6rem; }
  .hero .container { gap:40px; }
  .hero-image { box-shadow:10px 10px 0 0 rgba(232,97,124,0.18); }
}

@media (max-width: 768px) {
  .site-header { background:rgba(255,253,247,0.98); }

  .main-nav {
    display:none;
    position:absolute;
    top:68px;
    left:0;
    width:100%;
    background:rgba(255,253,247,0.98);
    padding:24px 28px;
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    box-shadow:0 16px 40px rgba(42,92,92,0.10);
    border-bottom:1px solid rgba(42,92,92,0.08);
  }
  .main-nav.open {
    display:flex;
    animation:fadeIn .25s ease;
  }
  .main-nav a {
    width:100%;
    padding:12px 8px;
    border-bottom:1px solid rgba(232,97,124,0.1);
    border-radius:8px;
  }
  .main-nav a:hover { background:rgba(232,97,124,0.06); }
  .nav-cta { text-align:center; margin-top:8px; }

  .menu-toggle { display:flex; }

  .hero { padding-top:104px; min-height:auto; }
  .hero .container { flex-direction:column; gap:48px; }
  .hero-content { max-width:100%; text-align:center; }
  .hero p { margin-left:auto; margin-right:auto; }
  .hero-buttons { justify-content:center; }
  .hero h1 { font-size:2.2rem; }
  .hero-image { width:100%; max-width:520px; margin:0 auto; }
  .hero::after { right:8%; }

  .feature-block { grid-template-columns:1fr; gap:48px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:36px; }

  .section-title { font-size:1.8rem; }
  .cta-banner { padding:48px 28px; }
  .cta-banner h2 { font-size:1.6rem; }
}

@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; width:100%; }
  .hero-buttons .btn { justify-content:center; }
  .hero h1 { font-size:1.8rem; letter-spacing:-0.5px; }
  .hero p { font-size:1rem; }

  .section { padding:56px 0; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:2.2rem; }
  .cta-banner { border-radius:18px; padding:40px 20px; }
  .footer-bottom { font-size:0.78rem; }
}