/* ============================================
   花漾写真 - 清新柔美风格样式表
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
  --cream: #FFF5F5;
  --white: #FFFFFF;
  --pink-100: #FDF2F8;
  --pink-200: #F9E4E4;
  --pink-300: #F5D0D0;
  --pink-400: #E8A0BF;
  --pink-500: #D4809A;
  --pink-600: #BA6B82;
  --rose: #C97B8B;
  --text: #4A3F42;
  --text-light: #8A7E82;
  --text-lighter: #B5A7AB;
  --shadow-sm: 0 1px 3px rgba(180, 140, 150, 0.08);
  --shadow-md: 0 4px 20px rgba(180, 140, 150, 0.12);
  --shadow-lg: 0 8px 40px rgba(180, 140, 150, 0.15);
  --shadow-xl: 0 16px 60px rgba(180, 140, 150, 0.18);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ===== 通用容器 ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--pink-500);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
}

/* ===== 导航栏 ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.nav.scrolled {
  border-bottom-color: rgba(180, 140, 150, 0.1);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-light);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--pink-400);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--pink-500);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all var(--transition);
}

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

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* ===== Hero 区 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 0 24px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, #FDF2F8 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, #F9E4E4 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 20% 80%, #FFF5F5 0%, transparent 55%),
    linear-gradient(180deg, #FFFFFF 0%, #FFF5F5 50%, #FDF2F8 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 20%, rgba(232, 160, 191, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 70% 60%, rgba(212, 128, 154, 0.06) 0%, transparent 20%),
    radial-gradient(circle at 50% 80%, rgba(201, 123, 139, 0.05) 0%, transparent 30%);
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(1%, -1%); }
  66% { transform: translate(-1%, 1%); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-subtitle {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--pink-400);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--pink-400), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-lighter);
  font-size: 0.75rem;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.scroll-indicator {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-lighter);
  border-radius: 10px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--pink-400);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 16px; opacity: 0.3; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink-400), var(--pink-500));
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 160, 191, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 160, 191, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.6);
  color: var(--pink-500);
  border: 1.5px solid rgba(232, 160, 191, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(232, 160, 191, 0.08);
  border-color: var(--pink-400);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-submit {
  width: 100%;
  padding: 16px 32px;
  font-size: 1.05rem;
  margin-top: 8px;
}

/* ===== 作品展示 ===== */
.gallery {
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-card {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.gallery-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.gallery-img {
  aspect-ratio: 3 / 4;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.gallery-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-card:hover .gallery-img img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(74, 63, 66, 0.5) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-card:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.gallery-note {
  text-align: center;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-lighter);
}

/* ===== 服务优势 ===== */
.service {
  background: var(--cream);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--pink-200);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 预约表单 ===== */
.booking {
  background: var(--white);
}

.booking-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--pink-200);
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.required {
  color: var(--pink-500);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 12px 16px;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  transition: all var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-lighter);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--pink-400);
  box-shadow: 0 0 0 4px rgba(232, 160, 191, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #E85D75;
  box-shadow: 0 0 0 4px rgba(232, 93, 117, 0.08);
}

.form-group input.valid,
.form-group textarea.valid {
  border-color: #6BCB77;
}

.form-error {
  font-size: 0.78rem;
  color: #E85D75;
  min-height: 18px;
  opacity: 0;
  transition: opacity var(--transition);
}

.form-error.show {
  opacity: 1;
}

/* 日期选择器美化 */
.form-group input[type="date"] {
  color-scheme: light;
  cursor: pointer;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.form-group input[type="date"]:hover::-webkit-calendar-picker-indicator {
  opacity: 1;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== 联系方式 ===== */
.contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 560px;
  margin: 0 auto 40px;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--pink-200);
  transition: all var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
}

.contact-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.contact-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pink-500);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.copy-btn {
  margin: 0 auto;
}

.copy-btn.copied {
  background: #6BCB77 !important;
  color: #fff !important;
  border-color: #6BCB77 !important;
}

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

.qr-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto 12px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-hint {
  font-size: 0.85rem;
  color: var(--text-lighter);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--white);
  border-top: 1px solid var(--pink-200);
  text-align: center;
  padding: 48px 0;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-text {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-lighter);
}

/* ===== Toast 提示 ===== */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-120px);
  background: var(--white);
  color: var(--text);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  transition: transform var(--transition);
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid var(--pink-200);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.success .toast-icon {
  color: #6BCB77;
}

.toast.error .toast-icon {
  color: #E85D75;
}

.toast-icon {
  font-size: 1.1rem;
}

/* ===== 滚动渐显动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  /* 导航 */
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition), padding var(--transition);
    border-bottom: 1px solid transparent;
  }

  .nav-links.open {
    max-height: 280px;
    padding: 16px 0;
    border-bottom-color: var(--pink-200);
  }

  .nav-links a {
    display: block;
    padding: 14px 0;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero */
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  /* 作品 */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 服务 */
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .service-card {
    padding: 24px 18px;
  }

  /* 预约 */
  .booking-card {
    padding: 32px 24px;
    border-radius: var(--radius);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* 联系 */
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }
}