/* ============================================
   感谢班主任网站 — 高级版样式
   设计语言：温润沉静、玻璃拟态、呼吸感留白
   ============================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* 色彩体系 */
  --c-warm:      #B8860B;       /* 深暖金 */
  --c-gold:      #D4A84B;       /* 亮金 */
  --c-gold-l:    #E8C97A;       /* 浅金 */
  --c-rose:      #C97878;       /* 暮玫 */
  --c-rose-l:    #E0A0A0;       /* 浅玫 */
  --c-bg:        #FAF6F0;       /* 奶白底 */
  --c-bg-deep:   #F0E8DA;       /* 深奶底 */
  --c-text:      #2C1810;       /* 墨棕 */
  --c-text-m:    #6B5744;       /* 中棕 */
  --c-text-l:    #9C8B7A;       /* 浅棕 */
  --c-white:     #FFFFFF;
  --c-glass:     rgba(255,255,255,0.55);
  --c-glass-b:   rgba(255,255,255,0.35);
  --c-shadow:    rgba(140,100,40,0.08);
  --c-shadow-h:  rgba(140,100,40,0.16);

  /* 字体 */
  --ff-serif:  'Noto Serif SC', 'Songti SC', serif;
  --ff-sans:   'Noto Sans SC', 'PingFang SC', sans-serif;

  /* 布局 */
  --max-w: 960px;
  --r: 20px;
  --r-sm: 12px;

  /* 过渡 */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--ff-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--c-gold-l); color: var(--c-text); }

/* ---------- 粒子画布 ---------- */
#particleCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ---------- 鼠标光晕 ---------- */
#cursorGlow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,168,75,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  transition: left 0.6s var(--ease-out), top 0.6s var(--ease-out);
  will-change: left, top;
}

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 32px;
  transition: all 0.5s var(--ease);
}

.navbar.scrolled {
  padding: 12px 32px;
  background: rgba(250,246,240,0.8);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 4px 24px var(--c-shadow);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--ff-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-warm);
  letter-spacing: 6px;
}

.nav-links { display: flex; gap: 32px; }

.nav-links a {
  color: var(--c-text-m);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--c-gold);
  transition: width 0.3s var(--ease), left 0.3s var(--ease);
}

.nav-links a:hover { color: var(--c-warm); }
.nav-links a:hover::after { width: 100%; left: 0; }

/* ---------- 通用 Reveal 动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 英雄区 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212,168,75,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 30% 70%, rgba(201,120,120,0.05) 0%, transparent 60%),
    var(--c-bg);
  overflow: hidden;
  padding: 100px 24px 60px;
}

/* 噪点纹理叠加 */
.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
}

/* 柔光球 */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 500px; height: 500px;
  background: rgba(212,168,75,0.12);
  top: -10%; right: -5%;
  animation: glowDrift 12s ease-in-out infinite;
}

.hero-glow-2 {
  width: 400px; height: 400px;
  background: rgba(201,120,120,0.1);
  bottom: 5%; left: -5%;
  animation: glowDrift 15s ease-in-out infinite reverse;
}

@keyframes glowDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(30px, -20px) scale(1.05); }
  66%      { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content { position: relative; z-index: 3; }

.hero-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--c-text-l);
  margin-bottom: 32px;
  position: relative;
}

.hero-tag::before, .hero-tag::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 0.5px;
  background: var(--c-gold-l);
  vertical-align: middle;
  margin: 0 16px;
}

.hero-title {
  font-family: var(--ff-serif);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.hero-line-1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--c-warm) 0%, var(--c-gold) 50%, var(--c-rose) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 8px;
  line-height: 1.2;
}

.hero-line-2 {
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 400;
  color: var(--c-text-m);
  letter-spacing: 10px;
}

.hero-desc {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--c-text-l);
  letter-spacing: 2px;
  line-height: 1.8;
  max-width: 420px;
  margin: 0 auto;
}

/* 装饰分割线 */
.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}

.hero-divider span {
  width: 48px;
  height: 0.5px;
  background: var(--c-gold-l);
}

.hero-divider i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
}

/* 滚动提示 */
.hero-scroll {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 4px;
  color: var(--c-text-l);
  font-weight: 500;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--c-gold-l), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 1px;
  height: 50%;
  background: var(--c-gold);
  animation: scrollLineMove 2.5s ease-in-out infinite;
}

@keyframes scrollLineMove {
  0%   { top: -50%; }
  100% { top: 120%; }
}

/* ---------- 通用 Section ---------- */
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 120px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-num {
  display: block;
  font-family: var(--ff-serif);
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: var(--c-gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--c-text);
  letter-spacing: 3px;
  font-weight: 700;
}

.section-subtitle {
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: var(--c-text-l);
  margin-top: 8px;
  font-weight: 300;
}

/* ---------- 感谢信 ---------- */
.letter-section {
  background: var(--c-white);
  position: relative;
}

.letter-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold-l), transparent);
}

.letter-card {
  position: relative;
  background: linear-gradient(160deg, #FFFCF7, #FFF8EE);
  border: 1px solid rgba(184,134,11,0.1);
  border-radius: var(--r);
  padding: clamp(32px, 6vw, 56px);
  max-width: 640px;
  margin: 0 auto;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 8px 40px rgba(140,100,40,0.06);
  overflow: hidden;
}

/* 信纸顶部金线 */
.letter-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 5%, var(--c-gold) 30%, var(--c-rose-l) 70%, transparent 95%);
}

/* 印章 */
.letter-stamp {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border: 2px solid var(--c-rose);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-15deg);
  opacity: 0.5;
}

.letter-stamp span {
  font-family: var(--ff-serif);
  font-size: 0.8rem;
  color: var(--c-rose);
  letter-spacing: 2px;
}

.letter-top { margin-bottom: 20px; }

.letter-date {
  font-size: 0.8rem;
  color: var(--c-text-l);
  letter-spacing: 2px;
}

.letter-body {
  font-family: var(--ff-serif);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 2.4;
  color: var(--c-text);
  min-height: 180px;
}

.letter-body .tw-cursor {
  display: inline-block;
  width: 1.5px;
  height: 1.1em;
  background: var(--c-warm);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }

.letter-bottom {
  margin-top: 32px;
  text-align: right;
}

.letter-sign {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--c-warm);
  font-size: 0.95rem;
  letter-spacing: 3px;
}

/* 底部暗纹 */
.letter-seal {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,168,75,0.04), transparent 70%);
  pointer-events: none;
}

/* ---------- 回忆时间线 ---------- */
.memories-section {
  background: var(--c-bg);
  position: relative;
}

.timeline {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--c-gold-l), var(--c-rose-l), var(--c-gold-l));
}

.tl-item {
  position: relative;
  padding: 0 0 48px 52px;
  opacity: 0;
  transform: translateY(30px) translateX(-10px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.tl-item.visible {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

.tl-dot {
  position: absolute;
  left: 12px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--c-gold);
  background: var(--c-bg);
  z-index: 1;
  transition: background 0.3s, transform 0.3s;
}

.tl-item:hover .tl-dot {
  background: var(--c-gold);
  transform: scale(1.3);
}

.tl-card {
  background: var(--c-glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(184,134,11,0.08);
  border-radius: var(--r-sm);
  padding: 24px 28px;
  box-shadow: 0 4px 24px var(--c-shadow);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.tl-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px var(--c-shadow-h);
}

.tl-emoji { font-size: 1.8rem; margin-bottom: 10px; line-height: 1; }

.tl-card h3 {
  font-family: var(--ff-serif);
  font-size: 1.1rem;
  color: var(--c-text);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.tl-card p {
  font-size: 0.9rem;
  color: var(--c-text-m);
  line-height: 1.9;
}

.tl-year {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--c-gold);
  padding: 2px 10px;
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: 100px;
}

/* ---------- 数字感恩 ---------- */
.numbers-section {
  background: var(--c-text);
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}

.numbers-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 20% 50%, rgba(212,168,75,0.1), transparent),
    radial-gradient(ellipse 50% 80% at 80% 50%, rgba(201,120,120,0.08), transparent);
  pointer-events: none;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.num-card {
  padding: 24px 12px;
  position: relative;
}

.num-value {
  font-family: var(--ff-serif);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(180deg, var(--c-gold-l), var(--c-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.num-suffix {
  font-family: var(--ff-serif);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 400;
  background: linear-gradient(180deg, var(--c-gold-l), var(--c-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.num-label {
  font-size: 0.85rem;
  margin-top: 6px;
  opacity: 0.7;
  letter-spacing: 2px;
  color: var(--c-white);
}

.num-bar {
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-rose));
  margin: 16px auto 0;
  border-radius: 1px;
}

/* ---------- 祝福墙 ---------- */
.wishes-section {
  background: var(--c-bg-deep);
  position: relative;
}

/* 祝福输入区 */
.wish-form-card {
  background: var(--c-glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(184,134,11,0.1);
  border-radius: var(--r);
  padding: clamp(24px, 5vw, 40px);
  margin-bottom: 48px;
  box-shadow: 0 4px 24px var(--c-shadow);
}

.wish-form-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  color: var(--c-text);
  letter-spacing: 1px;
}

.wish-form-icon {
  font-size: 1.2rem;
}

.wish-form { display: flex; flex-direction: column; gap: 18px; }

.wish-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.wish-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.wish-form-field label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--c-text-m);
  letter-spacing: 1px;
}

.wish-form-field input,
.wish-form-field textarea {
  font-family: var(--ff-sans);
  font-size: 0.92rem;
  color: var(--c-text);
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(184,134,11,0.15);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  resize: none;
}

.wish-form-field input::placeholder,
.wish-form-field textarea::placeholder {
  color: var(--c-text-l);
  opacity: 0.7;
}

.wish-form-field input:focus,
.wish-form-field textarea:focus {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(212,168,75,0.12);
  background: rgba(255,255,255,0.95);
}

.wish-form-count {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 0.7rem;
  color: var(--c-text-l);
  letter-spacing: 1px;
  pointer-events: none;
}

.wish-form-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-family: var(--ff-serif);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-warm), var(--c-rose));
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, opacity 0.3s;
  box-shadow: 0 4px 20px rgba(184,134,11,0.25);
}

.wish-form-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(184,134,11,0.35);
}

.wish-form-btn:active {
  transform: translateY(0) scale(0.97);
}

.wish-form-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-icon { font-size: 1rem; }

/* 提交成功动画 */
.wish-form-btn.success {
  background: linear-gradient(135deg, #5a9e6f, #7ec89a);
  box-shadow: 0 4px 20px rgba(90,158,111,0.3);
}

/* 用户提交的新祝福卡片 */
.wish-card.user-wish {
  border: 1px solid rgba(212,168,75,0.15);
  background: linear-gradient(160deg, rgba(255,252,247,0.85), rgba(255,248,238,0.85));
}

.wish-card.user-wish .wish-new-badge {
  display: inline-block;
  font-size: 0.62rem;
  letter-spacing: 1px;
  padding: 2px 8px;
  background: linear-gradient(135deg, var(--c-gold), var(--c-rose-l));
  color: var(--c-white);
  border-radius: 100px;
  margin-left: 8px;
  vertical-align: middle;
}

/* 新卡片弹入动画 */
.wish-card.pop-in {
  animation: wishPopIn 0.5s var(--ease-out) forwards;
}

@keyframes wishPopIn {
  0%   { opacity: 0; transform: translateY(20px) scale(0.9); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* 删除按钮 */
.wish-delete {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(140,100,40,0.08);
  color: var(--c-text-l);
  font-size: 0.8rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity 0.2s, background 0.2s, color 0.2s;
}

.wish-card:hover .wish-delete { opacity: 1; }
.wish-delete:hover { background: rgba(201,120,120,0.15); color: var(--c-rose); }

.wishes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.wish-card {
  position: relative;
  background: var(--c-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(184,134,11,0.06);
  border-radius: var(--r-sm);
  padding: 28px;
  box-shadow: 0 2px 16px var(--c-shadow);
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), box-shadow 0.3s;
}

.wish-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.wish-card:hover {
  box-shadow: 0 8px 32px var(--c-shadow-h);
  transform: translateY(-2px) scale(1);
}

.wish-quote {
  font-family: var(--ff-serif);
  font-size: 0.95rem;
  color: var(--c-text);
  line-height: 2;
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}

.wish-quote::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -6px;
  font-size: 1.8rem;
  color: var(--c-gold-l);
  font-family: var(--ff-serif);
  line-height: 1;
}

.wish-author {
  font-size: 0.78rem;
  color: var(--c-text-l);
  text-align: right;
  letter-spacing: 2px;
}

.wish-author::before {
  content: '—— ';
  color: var(--c-gold);
}

/* ---------- 祝福墙空状态 ---------- */
.wishes-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--c-text-l);
  font-family: var(--ff-serif);
  font-size: 1rem;
  line-height: 2;
  opacity: 0;
  animation: fadeIn 0.8s var(--ease-out) 0.3s forwards;
}

.wishes-empty p {
  position: relative;
  display: inline-block;
}

.wishes-empty p::before,
.wishes-empty p::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold-l), transparent);
}

.wishes-empty p::before { right: calc(100% + 16px); }
.wishes-empty p::after  { left:  calc(100% + 16px); }

/* ---------- 删除密码弹窗 ---------- */
#deletePwdModal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 18, 10, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.pwd-modal-box {
  background: var(--c-bg);
  border-radius: 16px;
  padding: 36px 32px 28px;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.25), 0 0 0 1px rgba(212,168,75,0.12);
  text-align: center;
  animation: modalPop 0.25s ease;
}
@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.pwd-modal-title {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
}
.pwd-modal-desc {
  font-size: 0.88rem;
  color: var(--c-rose);
  margin-bottom: 20px;
  opacity: 0.8;
}
.pwd-modal-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--c-gold-light);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--ff-serif);
  background: rgba(255,255,255,0.7);
  color: var(--c-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}
.pwd-modal-input:focus {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(200,120,42,0.12);
}
.pwd-modal-input.shake {
  animation: shakeInput 0.4s ease;
}
@keyframes shakeInput {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-8px); }
  40%     { transform: translateX(8px); }
  60%     { transform: translateX(-6px); }
  80%     { transform: translateX(4px); }
}
.pwd-modal-error {
  color: var(--c-rose);
  font-size: 0.82rem;
  margin-top: 8px;
}
.pwd-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  justify-content: center;
}
.pwd-modal-actions button {
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--ff-serif);
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.pwd-modal-cancel {
  background: rgba(0,0,0,0.06);
  color: var(--c-text);
  opacity: 0.7;
}
.pwd-modal-cancel:hover {
  opacity: 1;
  background: rgba(0,0,0,0.1);
}
.pwd-modal-confirm {
  background: linear-gradient(135deg, var(--c-gold), var(--c-rose));
  color: #fff;
  font-weight: 600;
}
.pwd-modal-confirm:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* ---------- 底部 ---------- */
.footer {
  background: var(--c-text);
  color: var(--c-white);
  text-align: center;
  padding: 80px 24px 48px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(212,168,75,0.06), transparent);
  pointer-events: none;
}

.footer-inner { position: relative; z-index: 1; }

.footer-heart-wrap {
  margin-bottom: 24px;
  display: inline-block;
}

.footer-heart {
  color: var(--c-rose);
  animation: heartbeat 1.8s ease infinite;
  filter: drop-shadow(0 0 12px rgba(201,120,120,0.3));
}

@keyframes heartbeat {
  0%,100% { transform: scale(1); }
  14%     { transform: scale(1.18); }
  28%     { transform: scale(1); }
  42%     { transform: scale(1.12); }
}

.footer-text {
  font-family: var(--ff-serif);
  font-size: 1.3rem;
  letter-spacing: 4px;
  margin-bottom: 8px;
  color: rgba(255,255,255,0.9);
}

.footer-sub {
  font-size: 0.88rem;
  opacity: 0.5;
  letter-spacing: 3px;
}

.footer-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold-l), transparent);
  margin: 32px auto 20px;
}

.footer-copy {
  font-size: 0.7rem;
  letter-spacing: 3px;
  opacity: 0.3;
  font-weight: 300;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 0.78rem; }
  .hero-tag { letter-spacing: 3px; font-size: 0.6rem; }
  .hero-tag::before, .hero-tag::after { width: 20px; margin: 0 10px; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .wishes-grid { grid-template-columns: 1fr; }
  .section-inner { padding: 80px 20px; }
  .wish-form-card { padding: 20px; }
}

@media (max-width: 480px) {
  .nav-logo { letter-spacing: 3px; font-size: 1rem; }
  .nav-links { gap: 14px; }
  .hero-line-1 { letter-spacing: 4px; }
  .hero-line-2 { letter-spacing: 4px; }
  .letter-card { padding: 24px 20px; }
  .tl-card { padding: 20px; }
  .section-inner { padding: 60px 16px; }
  .num-card { padding: 16px 8px; }
  .num-value { font-size: 2rem; }
  #cursorGlow { display: none; }
}