/* ===== 全局变量 ===== */
:root {
  --color-primary: #c2185b;
  --color-primary-light: #e91e63;
  --color-primary-dark: #880e4f;
  --color-accent: #f8bbd0;
  --color-accent-soft: #fce4ec;
  --color-bg: #fffafb;
  --color-bg-warm: #fff5f0;
  --color-text: #3d2033;
  --color-text-light: #7a5a6a;
  --color-gold: #c9a96e;
  --color-gold-light: #e8d5b0;
  --color-white: #ffffff;
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-serif: 'Noto Serif SC', 'Georgia', serif;
  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 8px 32px rgba(194, 24, 91, 0.08);
  --shadow-lg: 0 16px 48px rgba(194, 24, 91, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
}

/* ===== Reset & Base ===== */
*,
*::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(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 定制滚动条 ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-accent-soft);
}
::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* ===== 全局光斑粒子层 ===== */
.sparkle-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

/* ===== 音乐按钮 ===== */
.music-btn {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  overflow: hidden;
}

.music-btn:hover {
  transform: scale(1.1);
  background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-lg);
}

.music-btn.playing {
  animation: musicPulse 1.5s ease-in-out infinite;
}

@keyframes musicPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 24, 91, 0.3); }
  50%      { box-shadow: 0 0 0 10px rgba(194, 24, 91, 0); }
}

.music-icon {
  width: 22px;
  height: 22px;
}

.music-label {
  display: none;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    linear-gradient(135deg, #fce4ec 0%, #f8bbd0 35%, #e91e63 70%, #c2185b 100%);
  overflow: hidden;
}

/* 装饰性 SVG 边框 */
.hero-frame {
  position: absolute;
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  opacity: 0.6;
  z-index: 0;
  animation: frameFade 3s ease forwards;
}

@keyframes frameFade {
  from { opacity: 0; transform: scale(1.1); }
  to   { opacity: 0.6; transform: scale(1); }
}

/* 浮动光环 */
.hero-rings {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
}

.ring-1 {
  width: 300px; height: 300px;
  top: 20%; left: 10%;
  animation: ringFloat1 8s ease-in-out infinite;
}

.ring-2 {
  width: 200px; height: 200px;
  bottom: 15%; right: 15%;
  animation: ringFloat2 10s ease-in-out infinite;
}

.ring-3 {
  width: 150px; height: 150px;
  top: 60%; left: 60%;
  animation: ringFloat3 12s ease-in-out infinite;
}

@keyframes ringFloat1 {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-20px) rotate(10deg); }
}

@keyframes ringFloat2 {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(15px) rotate(-8deg); }
}

@keyframes ringFloat3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%      { transform: translate(10px, -15px) rotate(5deg); }
  66%      { transform: translate(-10px, 10px) rotate(-5deg); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(194, 24, 91, 0.08) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
  animation: heroContentIn 2s ease forwards;
}

@keyframes heroContentIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-ornament-top,
.hero-ornament-bottom {
  display: block;
  margin: 1rem auto;
  opacity: 0.6;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.4em;
  margin-bottom: 0.3rem;
  font-weight: 400;
}

.hero-subtitle-zh {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-white);
  letter-spacing: 0.5em;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-names {
  font-family: var(--font-display);
  font-size: 4.5rem;
  color: var(--color-white);
  font-weight: 400;
  margin-bottom: 1rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.15);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.name-left,
.name-right {
  font-family: var(--font-display);
  display: inline-block;
}

.name-amp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
  margin: 0 0.2rem;
}

.hero-date {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.2em;
  font-weight: 300;
}

.hero-divider {
  display: flex;
  justify-content: center;
  margin: 2rem auto;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.8rem;
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: 50px;
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  border: 1px solid rgba(194,24,91,0.1);
}

.hero-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(194,24,91,0.25);
  background: var(--color-gold-light);
  color: var(--color-primary-dark);
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: scrollBounce 2.5s ease-in-out infinite;
}

.scroll-arrow {
  opacity: 0.6;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50%      { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ===== Section Separator ===== */
.section-separator {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
  opacity: 0.6;
}

/* ===== Section Title ===== */
.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 0.3rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.section-subtitle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-gold);
  text-align: center;
  letter-spacing: 0.2em;
  font-style: italic;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  margin: 0.6rem auto 0;
  border-radius: 1px;
}

/* ===== 倒计时独立区块 ===== */
.countdown-section {
  padding: 5rem 2rem;
  background:
    radial-gradient(ellipse at top center, var(--color-accent-soft) 0%, transparent 60%),
    radial-gradient(ellipse at bottom center, var(--color-bg-warm) 0%, transparent 50%),
    var(--color-bg);
  text-align: center;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 2rem auto 2.5rem;
}

/* ===== 新人介绍 ===== */
.couple {
  padding: 5rem 2rem;
  background: var(--color-bg-warm);
}

/* 爱情寄语 */
.love-letter {
  max-width: 480px;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.love-letter-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 2;
  text-align: center;
  letter-spacing: 0.05em;
  font-style: italic;
}

/* 新人卡片网格 */
.couple-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.couple-card {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  flex: 1;
  min-width: 240px;
  max-width: 300px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}

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

/* 新人头像 */
.couple-avatar {
  margin-bottom: 1.2rem;
  display: flex;
  justify-content: center;
}

.groom-avatar svg circle:first-child {
  stroke: var(--color-gold);
}

.bride-avatar svg circle:first-child {
  stroke: var(--color-primary);
}

.couple-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.bride-name {
  color: var(--color-primary-light);
}

.couple-name-en {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  font-style: italic;
  font-weight: 400;
}

.couple-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 0.8rem auto 1rem;
}

.bride-divider {
  background: var(--color-primary-light);
}

.couple-desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 中间心形 */
.couple-heart-center {
  flex-shrink: 0;
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all 0.4s ease;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}
.details {
  padding: 5rem 2rem;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-warm) 50%, var(--color-accent-soft) 100%);
}

.details-grid {
  display: flex;
  gap: 2.5rem;
  max-width: 720px;
  margin: 2rem auto 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.detail-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  flex: 1;
  min-width: 280px;
  max-width: 330px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid var(--glass-border);
  position: relative;
}

.detail-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: rgba(255,255,255,0.85);
}

/* 卡片四角装饰 */
.detail-border-ornament {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
}

.detail-icon {
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
}

.detail-card h3 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.detail-divider-small {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 0.5rem auto 1rem;
}

.detail-time {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.detail-venue {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.detail-addr {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===== Countdown ===== */
.countdown-item {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  padding: 1.4rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  min-width: 100px;
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.countdown-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.countdown-glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-primary));
  opacity: 0.7;
}

.countdown-num {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.countdown-label {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text-light);
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
}

.countdown-sep {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-gold);
  font-weight: 300;
  opacity: 0.6;
  margin-top: -0.8rem;
}

/* 倒计时底部日期 */
.countdown-footer-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  opacity: 0.7;
}

.countdown-date-text {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 0.15em;
}

/* ===== RSVP ===== */
.rsvp {
  padding: 5rem 2rem;
  background:
    radial-gradient(ellipse at top left, var(--color-accent-soft) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, var(--color-bg-warm) 0%, transparent 50%),
    var(--color-white);
}

.rsvp-desc {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

.rsvp-desc strong {
  color: var(--color-primary);
}

/* ===== RSVP 外部链接按钮 ===== */
.rsvp-external-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 3rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-radius: 50px;
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 6px 20px rgba(194,24,91,0.25);
  margin: 0 auto;
  max-width: 400px;
}

.rsvp-external-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 36px rgba(194,24,91,0.35);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.rsvp-btn-wrapper {
  display: flex;
  justify-content: center;
}

/* ===== Gallery ===== */
.gallery {
  padding: 5rem 2rem;
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 200px;
  gap: 1rem;
  max-width: 900px;
  margin: 2rem auto;
}

.gallery-item-lg {
  grid-row: span 2;
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  position: relative;
}

.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(194,24,91,0.15);
}

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

.gallery-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(194,24,91,0.6), rgba(201,169,110,0.4));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: var(--radius-lg);
}

.gallery-overlay-text {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.gallery-note {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

.gallery-note code {
  background: var(--color-accent-soft);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* ===== Footer ===== */
.footer {
  padding: 4rem 2rem 3rem;
  text-align: center;
  background:
    radial-gradient(ellipse at top center, rgba(255,255,255,0.1) 0%, transparent 50%),
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, var(--color-primary) 100%);
  color: var(--color-white);
  position: relative;
}

.footer-ornament {
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.footer-heart {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: heartbeat 1.5s ease-in-out infinite;
  display: inline-block;
  color: var(--color-gold-light);
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%      { transform: scale(1.25); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.18); }
  56%      { transform: scale(1); }
}

.footer-names {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
  font-weight: 400;
}

.footer-date {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.25em;
  opacity: 0.8;
}

.footer-divider {
  display: flex;
  justify-content: center;
  margin: 1.5rem auto;
  opacity: 0.4;
}

.footer-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  opacity: 0.85;
  margin-bottom: 0.3rem;
  letter-spacing: 0.1em;
}

.footer-quote-en {
  font-family: var(--font-display);
  font-size: 0.8rem;
  opacity: 0.5;
  letter-spacing: 0.15em;
  font-style: italic;
}

/* ===== Scroll Fade-in Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Staggered Animation ===== */
.countdown-item.fade-in {
  opacity: 0;
  transform: translateY(30px) scale(0.9);
}

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

/* ===== 花瓣 SVG 动画 ===== */
.petal-svg {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: petalSvgFall linear forwards;
}

@keyframes petalSvgFall {
  0%   { opacity: 0.5; transform: translateY(0) rotate(0deg) scale(1); }
  25%  { opacity: 0.7; }
  75%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(100vh) rotate(180deg) scale(0.6); }
}