/* ============================================================
   GOLDEN ELEGANCE DESIGN SYSTEM
   黄金优雅 · 丝滑美学 · 高级质感
   ============================================================ */

/* Golden Ratio Constants */
:root {
  --phi: 1.618033988749895;
  --phi-inv: 0.618033988749895;

  /* 色彩系统 - 墨韵金 */
  --ink-deep: #0f0e0d;
  --ink-black: #1a1816;
  --ink-light: #3d3833;
  --ink-muted: #6b6560;
  --ink-ghost: #9a9590;
  --paper: #faf9f7;
  --paper-warm: #f5f3ef;
  --paper-dark: #ebe8e2;
  --paper-line: #e8e5df;
  --gold: #c4a35a;
  --gold-light: #d4b86a;
  --gold-dark: #a88a45;
  --gold-muted: rgba(196, 163, 90, 0.15);
  --gold-glow: rgba(196, 163, 90, 0.3);

  /* 黄金间距 */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: calc(16px * var(--phi));
  --space-xl: calc(24px * var(--phi));
  --space-2xl: calc(32px * var(--phi));
  --space-3xl: calc(48px * var(--phi));
  --space-4xl: calc(64px * var(--phi));
  --space-5xl: calc(96px * var(--phi));

  /* ===== 扩展黄金色彩系统 ===== */
  /* 主金色系 - 更多层次 */
  --gold-royal: #d4a84b;       /* 皇家金 */
  --gold-classic: #c9a55c;     /* 经典金 */
  --gold-warm: #b8944a;        /* 暖金 */
  --gold-deep: #a67c3d;        /* 深金 */
  --gold-shimmer: #e8d5a3;     /* 闪光金 */
  --gold-mist: rgba(212, 168, 107, 0.08);
  --gold-atmosphere: rgba(196, 163, 90, 0.04);

  /* 光晕色彩 */
  --glow-gold-soft: rgba(212, 168, 107, 0.15);
  --glow-gold-medium: rgba(212, 168, 107, 0.25);
  --glow-gold-intense: rgba(212, 168, 107, 0.4);
  --glow-warm-white: rgba(255, 250, 240, 0.6);

  /* 质感层次 */
  --texture-noise: rgba(0, 0, 0, 0.015);
  --texture-grain: rgba(139, 119, 85, 0.02);
  --inner-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.04);
  --inner-shadow-deep: inset 0 2px 6px rgba(0, 0, 0, 0.06);

  /* 多层阴影预设 */
  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-deep: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.12);
  --shadow-gold-subtle: 0 2px 12px rgba(196, 163, 90, 0.12);
  --shadow-gold-soft: 0 4px 20px rgba(196, 163, 90, 0.18);
  --shadow-gold-medium: 0 8px 32px rgba(196, 163, 90, 0.25);
  --shadow-gold-intense: 0 12px 48px rgba(196, 163, 90, 0.35), 0 0 60px rgba(196, 163, 90, 0.15);

  /* 字体 */
  --font-display: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* 动效 */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-micro: 0.2s;
  --duration-fast: 0.3s;
  --duration-normal: 0.5s;
  --duration-slow: 0.8s;
  --duration-slower: 1.2s;

  /* 布局 */
  --max-width: 1200px;
  --max-width-content: 800px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink-black);
  line-height: var(--phi);
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
}

/* ============================================================
   背景渐变层次 - 精致纹理与光效
   ============================================================ */

/* 增强背景纹理 - 多层噪点叠加 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    /* 细腻噪点层 */
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    /* 温暖颗粒层 */
    url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: multiply;
}

/* 背景光斑效果 - 微妙的光源点缀 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    /* 左上角柔光 */
    radial-gradient(ellipse 80% 60% at 10% 10%, var(--glow-warm-white) 0%, transparent 50%),
    /* 右下角暖光 */
    radial-gradient(ellipse 60% 50% at 90% 90%, var(--gold-atmosphere) 0%, transparent 45%),
    /* 中心微弱金辉 */
    radial-gradient(ellipse 40% 40% at 50% 50%, var(--gold-mist) 0%, transparent 60%);
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

/* 背景光斑动画 */
@keyframes lightPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

.light-spot {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: lightPulse 8s ease-in-out infinite;
  pointer-events: none;
}

.light-spot-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--glow-gold-soft) 0%, transparent 70%);
  animation-delay: 0s;
}

.light-spot-2 {
  width: 250px;
  height: 250px;
  bottom: 10%;
  left: -80px;
  background: radial-gradient(circle, var(--glow-gold-soft) 0%, transparent 70%);
  animation-delay: -3s;
}

.light-spot-3 {
  width: 200px;
  height: 200px;
  top: 40%;
  right: 5%;
  background: radial-gradient(circle, rgba(255, 250, 240, 0.3) 0%, transparent 70%);
  animation-delay: -5s;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ============================================================
   NAVIGATION - 优雅极简
   ============================================================ */

#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* 精致双层底部分隔线 - 外层主金色渐变线 */
#main-nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(196, 163, 90, 0.1) 10%,
    var(--gold) 50%,
    rgba(196, 163, 90, 0.1) 90%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

/* 精致双层底部分隔线 - 内层细线 */
#main-nav::before {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(196, 163, 90, 0.25) 15%,
    rgba(196, 163, 90, 0.5) 50%,
    rgba(196, 163, 90, 0.25) 85%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

#main-nav.scrolled::after,
#main-nav.scrolled::before {
  opacity: 1;
}

/* 导航项之间的精致垂直分隔线 */
.nav-link + .nav-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -18px;
  width: 1px;
  height: 12px;
  background: linear-gradient(to bottom,
    transparent,
    rgba(196, 163, 90, 0.35) 30%,
    rgba(196, 163, 90, 0.35) 70%,
    transparent
  );
  transform: translateY(-50%);
}

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

/* 品牌 - 优雅衬线 */
.nav-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.15em;
  position: relative;
}

.nav-brand::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}

.nav-brand:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  position: relative;
  transition: color var(--duration-micro) var(--ease-smooth);
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -16px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transform: translateY(-50%);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover {
  color: var(--ink-black);
}

.nav-link:hover::before {
  width: 12px;
}

.maple-link {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 10px 24px;
  border: 1px solid var(--ink-ghost);
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.maple-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.maple-link span {
  position: relative;
  z-index: 1;
}

.maple-link:hover {
  color: var(--ink-black);
  border-color: var(--gold);
}

.maple-link:hover::before {
  transform: translateY(0);
}

.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-menu-btn span {
  width: 20px;
  height: 1px;
  background: var(--ink-black);
  transition: all var(--duration-fast);
}

/* ============================================================
   HERO - 黄金螺旋·花体
   ============================================================ */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

/* Hero 黄金色光晕背景 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    /* 中央光芒 */
    radial-gradient(ellipse 60% 50% at 50% 40%, var(--gold-mist) 0%, transparent 50%),
    /* 顶部金色薄雾 */
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(196, 163, 90, 0.06) 0%, transparent 60%),
    /* 底部温暖光晕 */
    radial-gradient(ellipse 100% 50% at 50% 110%, rgba(196, 163, 90, 0.04) 0%, transparent 50%),
    /* 左上角微光 */
    radial-gradient(ellipse 40% 40% at 10% 20%, rgba(255, 250, 240, 0.05) 0%, transparent 50%),
    /* 右下角微光 */
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(196, 163, 90, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Hero 背景渐变动画 */
@keyframes heroGlow {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.8;
  }
}

.hero-section::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--glow-gold-soft) 0%, transparent 60%);
  filter: blur(80px);
  animation: heroGlow 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

/* 黄金螺旋装饰 */
.golden-spiral {
  position: absolute;
  width: calc(250px * var(--phi));
  height: calc(250px * var(--phi));
  pointer-events: none;
  opacity: 0.18;
}

.golden-spiral.top-right {
  top: -10%;
  right: -8%;
  animation: spiralFloat 20s ease-in-out infinite;
}

.golden-spiral.bottom-left {
  bottom: -10%;
  left: -8%;
  animation: spiralFloat 25s ease-in-out infinite reverse;
}

@keyframes spiralFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(10px, -10px) rotate(2deg); }
}

/* 黄金网格线 - 只在边缘显示 */
.golden-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
}

.golden-grid::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(100% / var(--phi));
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--gold) 10%,
    var(--gold) 40%,
    transparent 50%,
    transparent 60%,
    var(--gold) 90%,
    var(--gold) 100%
  );
}

.golden-grid::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% / var(--phi));
  height: 1px;
  width: 100%;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--gold) 10%,
    var(--gold) 40%,
    transparent 50%,
    transparent 60%,
    var(--gold) 90%,
    var(--gold) 100%
  );
}

/* 浮动粒子 */
.floating-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.35;
}

.particle-1 { top: 5%; left: 3%; animation: floatParticle 12s ease-in-out infinite; }
.particle-2 { top: 8%; right: 5%; animation: floatParticle 15s ease-in-out infinite 1s; width: 3px; height: 3px; }
.particle-3 { bottom: 15%; left: 5%; animation: floatParticle 18s ease-in-out infinite 2s; width: 5px; height: 5px; }
.particle-4 { bottom: 10%; right: 8%; animation: floatParticle 14s ease-in-out infinite 0.5s; }
.particle-5 { top: 12%; left: 20%; animation: floatParticle 16s ease-in-out infinite 3s; width: 6px; height: 6px; }
.particle-6 { bottom: 20%; right: 15%; animation: floatParticle 13s ease-in-out infinite 1.5s; }
.particle-7 { top: 5%; right: 20%; animation: floatParticle 17s ease-in-out infinite 2.5s; width: 3px; height: 3px; }
.particle-8 { bottom: 8%; left: 25%; animation: floatParticle 11s ease-in-out infinite 0.8s; }
.particle-9 { top: 8%; left: 8%; animation: floatParticle 19s ease-in-out infinite 4s; width: 5px; height: 5px; }
.particle-10 { bottom: 5%; right: 25%; animation: floatParticle 14s ease-in-out infinite 2s; }

@keyframes floatParticle {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.15; }
  25% { transform: translate(15px, -20px) scale(1.2); opacity: 0.25; }
  50% { transform: translate(-10px, -35px) scale(0.8); opacity: 0.1; }
  75% { transform: translate(20px, -15px) scale(1.1); opacity: 0.2; }
}

/* 黄金比例参考线 */
.golden-ratio-lines {
  position: absolute;
  width: 150px;
  height: 150px;
  pointer-events: none;
  opacity: 0.12;
  color: var(--gold);
}

.golden-ratio-lines.top-left-ratio {
  top: 3%;
  left: 3%;
}

.golden-ratio-lines.bottom-right-ratio {
  bottom: 3%;
  right: 3%;
}

/* ============================================================
   精致角落装饰 - 黄金角花纹
   ============================================================ */

/* 角落装饰 - 精致多层边框系统 */
.corner-decoration {
  position: absolute;
  width: 100px;
  height: 100px;
  pointer-events: none;
  z-index: 1;
}

.corner-decoration svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--gold);
  opacity: 0.8;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.corner-decoration:hover svg {
  opacity: 1;
}

/* 角落外层光晕效果 */
.corner-decoration::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 15px var(--glow-gold-medium), 0 0 30px var(--glow-gold-soft);
  opacity: 0.9;
  animation: cornerGlow 3s ease-in-out infinite;
}

.corner-decoration.top-left::after {
  top: 10px;
  left: 10px;
}

.corner-decoration.top-right::after {
  top: 10px;
  right: 10px;
}

.corner-decoration.bottom-left::after {
  bottom: 10px;
  left: 10px;
}

.corner-decoration.bottom-right::after {
  bottom: 10px;
  right: 10px;
}

@keyframes cornerGlow {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

/* 角落背景微光 */
.corner-decoration::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(196, 163, 90, 0.15) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  z-index: -1;
}

.corner-decoration:hover::before {
  opacity: 1;
}

/* Hero Content - 名字区域清洁背景 */
.hero-content {
  text-align: center;
  max-width: var(--max-width);
  position: relative;
  z-index: 10;
  /* 添加清洁背景区域，确保文字清晰 */
  padding: 40px 80px;
  border-radius: 4px;
  background: radial-gradient(
    ellipse 90% 120% at 50% 50%,
    rgba(250, 249, 247, 0.92) 0%,
    rgba(250, 249, 247, 0.7) 50%,
    transparent 100%
  );
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 0.3s var(--ease-out) forwards;
}

/* Hero 黄金分隔线 - 精致装饰 */
.hero-golden-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 20px auto 30px;
  opacity: 1;
  animation: fadeIn 1s 0.4s var(--ease-out) forwards;
}

.hero-golden-divider .divider-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  position: relative;
}

.hero-golden-divider .divider-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
  animation: shimmerLine 3s ease-in-out infinite;
}

.hero-golden-divider .divider-diamond {
  width: 10px;
  height: 10px;
  background: var(--gold);
  transform: rotate(45deg);
  position: relative;
  animation: diamondPulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--gold-glow);
}

.hero-golden-divider .divider-diamond::before {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--gold-light);
}

.hero-golden-divider .divider-diamond::after {
  content: '';
  position: absolute;
  inset: -5px;
  border: 1px solid var(--gold);
  opacity: 0.4;
}

@keyframes shimmerLine {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-golden-divider .divider-diamond {
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  position: relative;
  animation: diamondPulse 2s ease-in-out infinite;
}

.hero-golden-divider .divider-diamond::before {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--gold-light);
  transform: rotate(0deg);
}

.hero-golden-divider .divider-diamond::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--gold);
  opacity: 0.3;
  transform: rotate(0deg);
}

@keyframes diamondPulse {
  0%, 100% { transform: rotate(45deg) scale(1); }
  50% { transform: rotate(45deg) scale(1.1); }
}

/* 花体名字 */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(64px, 12vw, 140px);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
  line-height: 0.9;
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s 0.5s var(--ease-out) forwards;
}

/* 英雄标题精致文字光晕 */
.hero-title {
  text-shadow:
    0 0 40px rgba(196, 163, 90, 0.15),
    0 0 80px rgba(196, 163, 90, 0.08),
    0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 标题光晕动画 */
@keyframes titleGlow {
  0%, 100% {
    text-shadow:
      0 0 40px rgba(196, 163, 90, 0.15),
      0 0 80px rgba(196, 163, 90, 0.08),
      0 2px 4px rgba(0, 0, 0, 0.05);
  }
  50% {
    text-shadow:
      0 0 50px rgba(196, 163, 90, 0.2),
      0 0 100px rgba(196, 163, 90, 0.12),
      0 2px 4px rgba(0, 0, 0, 0.05);
  }
}

.hero-title.animate-glow {
  animation: fadeUp 1s 0.5s var(--ease-out) forwards, titleGlow 4s ease-in-out 1.5s infinite;
}

/* 名字下方装饰线 */
.hero-title-line {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hero-title-line span {
  height: 1px;
  background: var(--gold);
}

.hero-title-line span:first-child {
  width: 50px;
  animation: lineExpand 1s 1.5s var(--ease-out) forwards;
  transform-origin: center;
  transform: scaleX(0);
}

.hero-title-line span:last-child {
  width: 30px;
  animation: lineExpand 1s 1.7s var(--ease-out) forwards;
  transform-origin: center;
  transform: scaleX(0);
}

@keyframes lineExpand {
  to { transform: scaleX(1); }
}

/* 副标题 */
.hero-subtitle-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 0.8s var(--ease-out) forwards;
}

.hero-subtitle {
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 400;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
}

.hero-separator {
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
}

.hero-tagline {
  font-size: clamp(13px, 1.5vw, 15px);
  font-weight: 400;
  color: var(--ink-ghost);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 1s var(--ease-out) forwards;
}

/* 按钮组 */
.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 1.2s var(--ease-out) forwards;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* 按钮光泽层 - 顶部高光 */
.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-smooth);
}

.btn:hover::after {
  opacity: 1;
}

/* Primary 按钮特殊光泽 */
.btn-primary {
  background: var(--ink-black);
  color: var(--paper);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn-primary::before {
  background: var(--gold);
}

.btn-primary:hover {
  color: var(--ink-black);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(196, 163, 90, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Secondary 按钮光泽 */
.btn-secondary {
  background: transparent;
  color: var(--ink-black);
  border: 1px solid var(--ink-ghost);
  box-shadow: var(--shadow-subtle);
}

.btn-secondary::before {
  background: var(--ink-black);
}

.btn-secondary:hover {
  color: var(--paper);
  border-color: var(--ink-black);
  box-shadow:
    var(--shadow-medium),
    inset 0 1px 0 rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

/* 按钮点击涟漪效果 */
@keyframes btnRipple {
  0% {
    transform: scale(0);
    opacity: 0.6;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: btnRipple 0.6s ease-out;
  pointer-events: none;
}

/* 滚动指示器 */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  opacity: 0;
  animation: fadeIn 1s 2s var(--ease-out) forwards;
  z-index: 5;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--gold-light), transparent);
  animation: scrollPulse 2.5s var(--ease-smooth) infinite;
}

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

.scroll-text {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-ghost);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================================
   SECTIONS - 带装饰图案
   ============================================================ */

/* Section基础样式 */
.content-section {
  padding: var(--space-5xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

/* Section背景装饰图案 - 点阵 */
.content-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--gold-muted) 1px, transparent 0);
  background-size: 60px 60px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* Section 黄金比例参考线装饰 */
.content-section .golden-section-lines {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0.25;
  color: var(--gold);
}

.golden-section-lines.top-left,
.golden-section-lines.bottom-right,
.golden-section-lines.top-right,
.golden-section-lines.bottom-left {
  width: 100px;
  height: 100px;
}

.golden-section-lines svg {
  width: 100%;
  height: 100%;
}

/* Section顶部渐变边框 */
.content-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--paper-line) 20%,
    var(--gold-muted) 50%,
    var(--paper-line) 80%,
    transparent 100%
  );
  opacity: 0.6;
}

/* Section角落装饰 */
.section-corner {
  position: absolute;
  width: 60px;
  height: 60px;
  pointer-events: none;
  z-index: 1;
}

.section-corner::before,
.section-corner::after {
  content: '';
  position: absolute;
  background: var(--gold);
  opacity: 0.3;
}

.section-corner.top-left {
  top: 20px;
  left: 20px;
}
.section-corner.top-left::before {
  top: 0;
  left: 0;
  width: 30px;
  height: 1px;
}
.section-corner.top-left::after {
  top: 0;
  left: 0;
  width: 1px;
  height: 30px;
}

.section-corner.top-right {
  top: 20px;
  right: 20px;
}
.section-corner.top-right::before {
  top: 0;
  right: 0;
  width: 30px;
  height: 1px;
}
.section-corner.top-right::after {
  top: 0;
  right: 0;
  width: 1px;
  height: 30px;
}

.section-corner.bottom-left {
  bottom: 20px;
  left: 20px;
}
.section-corner.bottom-left::before {
  bottom: 0;
  left: 0;
  width: 30px;
  height: 1px;
}
.section-corner.bottom-left::after {
  bottom: 0;
  left: 0;
  width: 1px;
  height: 30px;
}

.section-corner.bottom-right {
  bottom: 20px;
  right: 20px;
}
.section-corner.bottom-right::before {
  bottom: 0;
  right: 0;
  width: 30px;
  height: 1px;
}
.section-corner.bottom-right::after {
  bottom: 0;
  right: 0;
  width: 1px;
  height: 30px;
}

/* Section内容容器 - 去掉卡片效果 */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 40px;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 400;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 20px;
}

/* 标题装饰线 - 精致黄金线条 */
.title-decoration {
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold));
  position: relative;
  opacity: 0.85;
  transition: all var(--duration-slow) var(--ease-out);
}

.title-decoration.left {
  background: linear-gradient(90deg, transparent, var(--gold));
}

.title-decoration.right {
  background: linear-gradient(90deg, var(--gold), transparent);
}

.section-header.visible .title-decoration {
  width: 60px;
  opacity: 1;
}

/* 装饰线末端圆点 */
.title-decoration::before {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 8px var(--gold-glow);
}

.title-decoration.left::before {
  right: -3px;
}

.title-decoration.right::before {
  left: -3px;
}

/* Section 精致分隔线 */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 60px 0;
  margin: 0 auto;
  max-width: 400px;
}

.section-divider .divider-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(196, 163, 90, 0.6), transparent);
}

.section-divider .divider-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.8;
  animation: dividerDotPulse 3s ease-in-out infinite;
  box-shadow: 0 0 8px var(--gold-glow);
}

.section-divider .divider-diamond {
  width: 12px;
  height: 12px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: 1;
  position: relative;
  box-shadow: 0 0 10px var(--gold-glow);
}

.section-divider .divider-diamond::before {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--gold-light);
}

.section-divider .divider-diamond::after {
  content: '';
  position: absolute;
  inset: -5px;
  border: 1px solid var(--gold);
  opacity: 0.4;
}

@keyframes dividerDotPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

/* Section 背景图案 - 微妙几何装饰 */
.section-bg-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.05;
  background-image:
    /* 黄金比例点阵 */
    radial-gradient(circle at center, var(--gold) 1.5px, transparent 1.5px);
  background-size: 60px 60px;
}

/* Section 浮动装饰点 - 增强版 */
.floating-decorations {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.float-dot {
  position: absolute;
  background: var(--gold);
  opacity: 0.5;
}

/* 圆形点 - 增大尺寸 */
.float-dot.dot-circle {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* 菱形 - 增大尺寸 */
.float-dot.dot-diamond {
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
}

/* 圆环 - 增大尺寸 */
.float-dot.dot-ring {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--gold);
  opacity: 0.4;
}

/* 短线装饰 - 增大尺寸 */
.float-dot.dot-line {
  width: 30px;
  height: 2px;
  border-radius: 0;
  transform: rotate(-45deg);
}

.float-dot.dot-1 { top: 15%; left: 8%; width: 5px; height: 5px; border-radius: 50%; animation: floatDecor 15s ease-in-out infinite; }
.float-dot.dot-2 { top: 55%; left: 90%; width: 8px; height: 8px; transform: rotate(45deg); animation: floatDecor 18s ease-in-out infinite 2s; }
.float-dot.dot-3 { top: 75%; left: 12%; width: 14px; height: 14px; border-radius: 50%; background: transparent; border: 1.5px solid var(--gold); animation: floatDecor 12s ease-in-out infinite 4s; }
.float-dot.dot-4 { top: 25%; right: 10%; width: 30px; height: 2px; transform: rotate(-30deg); animation: floatDecor 16s ease-in-out infinite 1s; }
.float-dot.dot-5 { top: 65%; right: 5%; width: 6px; height: 6px; border-radius: 50%; animation: floatDecor 14s ease-in-out infinite 3s; }
.float-dot.dot-6 { top: 45%; left: 5%; width: 8px; height: 8px; transform: rotate(45deg); animation: floatDecor 17s ease-in-out infinite 2.5s; }
.float-dot.dot-7 { top: 12%; left: 82%; width: 12px; height: 12px; border-radius: 50%; background: transparent; border: 1px solid var(--gold); animation: floatDecor 13s ease-in-out infinite 0.5s; }
.float-dot.dot-8 { top: 80%; right: 12%; width: 25px; height: 2px; transform: rotate(-60deg); animation: floatDecor 19s ease-in-out infinite 1.5s; }
.float-dot.dot-9 { top: 35%; left: 88%; width: 5px; height: 5px; border-radius: 50%; animation: floatDecor 11s ease-in-out infinite 3.5s; }
.float-dot.dot-10 { top: 20%; left: 8%; width: 8px; height: 8px; transform: rotate(45deg); animation: floatDecor 15s ease-in-out infinite 2s; }
.float-dot.dot-11 { top: 70%; right: 6%; width: 14px; height: 14px; border-radius: 50%; background: transparent; border: 1.5px solid var(--gold); animation: floatDecor 18s ease-in-out infinite 4s; }
.float-dot.dot-12 { top: 45%; left: 85%; width: 28px; height: 2px; transform: rotate(-15deg); animation: floatDecor 14s ease-in-out infinite 1s; }

/* 额外装饰元素 - 三角形 */
.floating-decorations::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 14px solid var(--gold);
  opacity: 0.08;
  top: 30%;
  left: 15%;
  animation: floatDecor 20s ease-in-out infinite 1s;
}

/* 额外装饰元素 - 反向三角形 */
.floating-decorations::after {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 10px solid var(--gold);
  opacity: 0.06;
  bottom: 35%;
  right: 10%;
  animation: floatDecor 22s ease-in-out infinite 3s;
}

@keyframes floatDecor {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); opacity: 0.15; }
  33% { transform: translate(20px, -25px) rotate(15deg) scale(1.3); opacity: 0.25; }
  66% { transform: translate(-15px, -15px) rotate(-10deg) scale(0.9); opacity: 0.1; }
}

/* 额外浮动元素 - 网格交叉点 */
.extra-decoration {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.extra-decoration::before,
.extra-decoration::after {
  content: '';
  position: absolute;
  background: var(--gold);
  opacity: 0.18;
}

.extra-decoration::before {
  width: 1px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
}

.extra-decoration::after {
  width: 100%;
  height: 1px;
  top: 50%;
  transform: translateY(-50%);
}

.extra-decoration.pos-1 { top: 20%; right: 20%; }
.extra-decoration.pos-2 { top: 60%; left: 25%; }
.extra-decoration.pos-3 { bottom: 25%; right: 30%; }

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all var(--duration-slow) var(--ease-smooth);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   ABOUT
   ============================================================ */

.about-section {
  background:
    /* 微妙暖色调渐变 */
    linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%),
    /* 左侧金色微光 */
    radial-gradient(ellipse 60% 80% at 5% 50%, var(--gold-atmosphere) 0%, transparent 60%);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--paper-line) 50%, transparent 95%);
}

.about-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  text-align: center;
  padding: 20px 40px;
  background: rgba(250, 249, 247, 0.6);
  border-radius: 8px;
}

/* ============================================================
   AVATAR SECTION - 金色优雅头像展示
   ============================================================ */
.avatar-section {
  margin: var(--space-xl) auto var(--space-2xl);
  position: relative;
  display: inline-block;
}

.avatar-frame {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.avatar-ornament {
  position: absolute;
  width: 30px;
  height: 30px;
  color: var(--gold);
  opacity: 0.7;
  z-index: 2;
}

.avatar-ornament.top-left {
  top: -8px;
  left: -8px;
}

.avatar-ornament.top-right {
  top: -8px;
  right: -8px;
}

.avatar-ornament.bottom-left {
  bottom: -8px;
  left: -8px;
}

.avatar-ornament.bottom-right {
  bottom: -8px;
  right: -8px;
}

.avatar-container {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 3px var(--gold),
    0 0 0 6px rgba(196, 163, 90, 0.2),
    0 8px 32px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.avatar-container:hover {
  transform: scale(1.02);
  box-shadow:
    0 0 0 3px var(--gold-light),
    0 0 0 8px rgba(196, 163, 90, 0.3),
    0 12px 40px rgba(0, 0, 0, 0.2);
}

.avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.avatar-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.avatar-ratio-marks {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 240px;
  height: 240px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.ratio-mark {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--gold);
  opacity: 0.3;
}

.ratio-mark.rm-1 {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px 2px 0 0;
  border-bottom: none;
}

.ratio-mark.rm-2 {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 0 0 2px 2px;
  border-top: none;
}

.ratio-mark.rm-3 {
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 2px 0 0 2px;
  border-right: none;
}

.ratio-mark.rm-4 {
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 0 2px 2px 0;
  border-left: none;
}

.avatar-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: var(--space-lg);
}

.caption-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.caption-text {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* Responsive avatar */
@media (max-width: 768px) {
  .avatar-frame {
    width: 160px;
    height: 160px;
  }

  .avatar-container {
    width: 140px;
    height: 140px;
  }

  .avatar-ornament {
    width: 24px;
    height: 24px;
  }

  .avatar-ratio-marks {
    width: 200px;
    height: 200px;
  }
}

.about-lead {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: var(--space-2xl);
}

/* 艺术化分隔线 - 多层装饰 */
.about-divider {
  width: 120px;
  height: 12px;
  margin: 40px auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

/* 主分隔线 - 渐变效果 */
.about-divider::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--gold) 20%,
    var(--gold) 80%,
    transparent
  );
}

/* 左延伸线 */
.about-divider::after {
  content: '';
  position: absolute;
  left: -30px;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(196, 163, 90, 0.6));
}

/* 中央装饰圆点 */
.about-divider .divider-center {
  position: relative;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--glow-gold-soft), 0 0 30px var(--glow-gold-soft);
  z-index: 1;
}

/* 两侧小圆点 */
.about-divider .divider-dot-left,
.about-divider .divider-dot-right {
  position: relative;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.8;
}

.about-text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-muted);
}

.about-text p + p {
  margin-top: var(--space-md);
}

/* About 卡片网格 */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.about-card {
  background: rgba(250, 249, 247, 0.8);
  border: 1px solid var(--paper-line);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: all var(--duration-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-out);
}

.about-card:hover::before {
  transform: scaleX(1);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(196, 163, 90, 0.1);
  border-color: var(--gold-muted);
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--ink-black);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.about-card .card-icon {
  font-size: 20px;
}

.about-card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ============================================================
   EDUCATION TIMELINE - 优雅时间线
   ============================================================ */

.education-timeline {
  max-width: 600px;
  margin: var(--space-2xl) auto;
  position: relative;
  padding-left: 30px;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), var(--gold-muted), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateX(-20px);
  transition: all var(--duration-slow) var(--ease-smooth);
}

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

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--gold-glow), 0 0 24px var(--gold-muted);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.4);
  box-shadow: 0 0 20px var(--gold-glow), 0 0 40px var(--gold-muted);
}

.timeline-marker::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--gold-muted);
  border-radius: 50%;
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.timeline-item:hover .timeline-marker::after {
  opacity: 1;
  transform: scale(1.5);
}

.timeline-content {
  background: rgba(250, 249, 247, 0.6);
  border: 1px solid var(--paper-line);
  border-radius: 8px;
  padding: 16px 20px;
  position: relative;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.timeline-item:hover .timeline-content {
  border-color: var(--gold-muted);
  box-shadow: 0 4px 20px rgba(196, 163, 90, 0.1);
  transform: translateX(4px);
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 8px 8px 0 0;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

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

.timeline-period {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-block;
  margin-bottom: 6px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-black);
  margin-bottom: 4px;
}

.timeline-subtitle {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 13px;
  color: var(--ink-ghost);
  line-height: 1.5;
}

/* ============================================================
   GALLERY - 黄金网格
   ============================================================ */

.gallery-section {
  background:
    /* 微妙冷色调 */
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%),
    /* 右侧金色微光 */
    radial-gradient(ellipse 50% 60% at 95% 30%, var(--gold-mist) 0%, transparent 50%);
  position: relative;
}

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

/* 画廊项 */
.gallery-item {
  position: relative;
  aspect-ratio: 1 / var(--phi-inv);
  overflow: hidden;
  cursor: pointer;
  background: var(--paper-dark);
  box-shadow: var(--shadow-subtle);
  transition:
    transform var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
}

.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border-color var(--duration-normal) var(--ease-smooth);
  z-index: 3;
  pointer-events: none;
}

.gallery-item:hover::before {
  border-color: var(--gold);
}

/* Gallery Item 悬浮多层阴影 */
.gallery-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.08),
    0 10px 20px rgba(196, 163, 90, 0.1),
    0 4px 12px rgba(196, 163, 90, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: all var(--duration-slow) var(--ease-smooth);
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 14, 13, 0.85) 0%, rgba(15, 14, 13, 0.2) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-xl);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-label {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  font-style: italic;
  color: var(--paper);
}

.gallery-meta {
  font-size: 11px;
  color: var(--gold-light);
  margin-top: 4px;
  letter-spacing: 0.1em;
}

/* ============================================================
   RESEARCH - 优雅卡片
   ============================================================ */

.research-section {
  background:
    /* 微妙暖色调渐变 */
    linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 50%, var(--paper-warm) 100%),
    /* 左侧金色微光 */
    radial-gradient(ellipse 40% 60% at 0% 50%, var(--gold-mist) 0%, transparent 60%),
    /* 右侧金色微光 */
    radial-gradient(ellipse 40% 60% at 100% 50%, var(--gold-mist) 0%, transparent 60%);
  position: relative;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 20px;
}

.research-item {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: var(--paper);
  border: 1px solid var(--paper-line);
  position: relative;
  transition:
    all var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
  overflow: hidden;
  /* 内阴影增加层次感 */
  box-shadow:
    var(--shadow-subtle),
    var(--inner-shadow);
}

.research-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.research-item:hover::before {
  transform: scaleX(1);
}

.research-item:hover {
  border-color: var(--gold-muted);
  /* 多层阴影模拟深度 */
  box-shadow:
    0 8px 24px rgba(196, 163, 90, 0.12),
    0 4px 12px rgba(196, 163, 90, 0.08),
    0 2px 6px rgba(196, 163, 90, 0.05),
    0 16px 40px rgba(0, 0, 0, 0.06),
    0 6px 16px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 -1px 0 rgba(0, 0, 0, 0.02);
  transform: translateY(-8px);
}

.research-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--gold);
  position: relative;
}

.research-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--gold-muted);
  border-radius: 50%;
  transform: scale(0.8);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-smooth);
}

.research-item:hover .research-icon::after {
  transform: scale(1.2);
  opacity: 1;
}

.research-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.research-item p {
  font-size: 11px;
  color: var(--ink-ghost);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================================
   CONTACT - 深邃优雅
   ============================================================ */

.contact-section {
  background:
    /* 主背景 */
    linear-gradient(180deg, var(--ink-deep) 0%, #0a0908 100%);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

/* Contact 区域多层光效 */
.contact-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background:
    /* 中央核心光晕 */
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(196, 163, 90, 0.08) 0%, transparent 50%),
    /* 顶部渐变光 */
    radial-gradient(ellipse 80% 30% at 50% -20%, rgba(196, 163, 90, 0.04) 0%, transparent 50%),
    /* 底部渐变光 */
    radial-gradient(ellipse 60% 40% at 50% 120%, rgba(196, 163, 90, 0.03) 0%, transparent 50%);
  pointer-events: none;
  animation: contactGlow 8s ease-in-out infinite;
}

@keyframes contactGlow {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* 左侧装饰光斑 */
.contact-section::after {
  content: '';
  position: absolute;
  top: 20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(196, 163, 90, 0.06) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
  animation: spotFloat 10s ease-in-out infinite;
}

@keyframes spotFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -15px); }
}

.contact-section .section-title {
  color: var(--paper);
  /* 标题光晕 */
  text-shadow: 0 0 30px rgba(196, 163, 90, 0.2);
}

.contact-section .section-container {
  background: transparent;
  border-radius: 0;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 40px;
}

.contact-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.contact-item {
  text-align: center;
  position: relative;
}

.contact-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(var(--space-3xl) * -0.5 - 1px);
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--gold-muted), transparent);
}

.contact-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.35);
  margin-bottom: var(--space-sm);
}

.contact-link {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  color: var(--paper);
  position: relative;
  transition: color var(--duration-micro);
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}

.contact-link:hover {
  color: var(--gold-light);
}

.contact-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ============================================================
   FOOTER
   ============================================================ */

/* 精致Footer顶部分隔线 */
.site-footer {
  background: var(--paper-warm);
  padding: var(--space-xl) var(--space-lg);
  position: relative;
}

/* Footer顶部多层边框 */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(196, 163, 90, 0.08) 15%,
    rgba(196, 163, 90, 0.2) 50%,
    rgba(196, 163, 90, 0.08) 85%,
    transparent
  );
}

/* Footer顶部内层细线 */
.site-footer::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(196, 163, 90, 0.12) 20%,
    rgba(196, 163, 90, 0.25) 50%,
    rgba(196, 163, 90, 0.12) 80%,
    transparent
  );
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.copyright,
.footer-note {
  font-size: 11px;
  color: #000000;
  letter-spacing: 0.08em;
}

.footer-divider {
  width: 40px;
  height: 1px;
  background: var(--ink-ghost);
  opacity: 0.8;
}

.icp-info {
  font-size: 11px;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icp-info a {
  color: #333333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.icp-info a:hover {
  color: var(--gold-dark);
}

.icp-divider {
  color: #333333;
}

/* ============================================================
   MODAL
   ============================================================ */

/* Modal - 全屏沉浸式体验 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15, 14, 13, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal.open {
  display: flex;
  opacity: 1;
}

/* 全屏图片容器 */
.modal-viewport {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 导航按钮 - 两侧长矩形 */
.modal-nav-btn {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  display: flex;
  align-items: center;
  color: rgba(250, 249, 247, 0.15);
  pointer-events: auto;
  transition: all var(--duration-fast);
  z-index: 10;
  background: transparent;
  border: none;
  cursor: pointer;
}

.modal-nav-btn.prev {
  left: 0;
  justify-content: flex-start;
  padding-left: 10px;
}

.modal-nav-btn.next {
  right: 0;
  justify-content: flex-end;
  padding-right: 10px;
}

.modal-nav-btn:hover {
  color: rgba(250, 249, 247, 0.7);
}

.modal-nav-btn.next:hover {
  background: linear-gradient(-90deg, rgba(0,0,0,0.3), transparent);
}

.modal-nav-btn svg {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.5));
  transition: transform 0.2s ease;
}

.modal-nav-btn:hover svg {
  transform: scale(1.1);
}

.modal-nav-btn:active svg {
  transform: scale(0.95);
}

/* Zoomed image cursor */
#gallery-img {
  cursor: grab;
  will-change: transform;
}

#gallery-img.zoomed {
  cursor: grab;
}

#gallery-img.zoomed:active {
  cursor: grabbing;
}

#gallery-img.no-transition {
  transition: none !important;
}

.modal-nav-btn.prev {
  left: 0;
  justify-content: flex-start;
  padding-left: 20px;
}

.modal-nav-btn.next {
  right: 0;
  justify-content: flex-end;
  padding-right: 20px;
}

.modal-nav-btn svg {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

/* 图片样式 - 可缩放可拖拽 */
#gallery-img {
  max-width: 100vw;
  max-height: 100vh;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transform-origin: center center;
  transition: transform 0.1s ease-out, opacity var(--duration-fast);
  cursor: grab;
}

#gallery-img.zoomed {
  cursor: grab;
}

#gallery-img.zoomed:active {
  cursor: grabbing;
}

/* 图片计数器 - 底部居中 */
.modal-counter {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: rgba(250, 249, 247, 0.5);
  z-index: 10;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 20px;
  backdrop-filter: blur(4px);
  transition: opacity var(--duration-normal);
}

/* UI 自动隐藏 */
.modal.auto-hide .modal-nav-btn,
.modal.auto-hide .modal-counter {
  opacity: 0;
  pointer-events: none;
}

.modal.auto-hide:hover .modal-nav-btn,
.modal.auto-hide:hover .modal-counter {
  opacity: 1;
  pointer-events: auto;
}

/* 关闭按钮 */
.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(250, 249, 247, 0.5);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  z-index: 10;
  transition: all var(--duration-fast);
  cursor: pointer;
  border: none;
}

.modal-close:hover {
  color: var(--gold);
  background: rgba(196, 163, 90, 0.2);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-caption {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
  color: rgba(250, 249, 247, 0.5);
  letter-spacing: 0.05em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .contact-item:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --space-5xl: calc(64px * var(--phi));
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(250, 249, 247, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-smooth);
    border-bottom: 1px solid var(--paper-line);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-menu-btn { display: flex; }

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

  .footer-container {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .footer-divider { display: none; }

  .corner-decoration { display: none; }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   TYPOGRAPHY REFINEMENTS - 字体层次与特殊效果
   ============================================================ */

/* 通用文字渐变效果（用于标题） */
.gradient-text {
  background: linear-gradient(135deg, var(--ink-black) 0%, var(--gold-dark) 50%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero 标题 - 精致文字阴影效果 */
.hero-title {
  text-shadow:
    0 1px 0 rgba(250, 249, 247, 0.1),
    0 2px 4px rgba(15, 14, 13, 0.08),
    0 4px 8px rgba(15, 14, 13, 0.04);
  -webkit-text-shadow:
    0 1px 0 rgba(250, 249, 247, 0.1),
    0 2px 4px rgba(15, 14, 13, 0.08),
    0 4px 8px rgba(15, 14, 13, 0.04);
}

/* Hero 副标题 - 优化字间距和颜色层次 */
.hero-subtitle {
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  position: relative;
}

.hero-subtitle::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-muted));
  transform: translateY(-50%);
}

.hero-subtitle::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-muted), transparent);
  transform: translateY(-50%);
}

/* Hero 标语 - 精致装饰效果 */
.hero-tagline {
  position: relative;
  letter-spacing: 0.12em;
}

.hero-tagline::before,
.hero-tagline::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--gold);
  opacity: 0.4;
  transform: translateY(-50%);
}

.hero-tagline::before {
  left: -50px;
}

.hero-tagline::after {
  right: -50px;
}

/* 标题渐变效果 */
.section-title.gradient {
  background: linear-gradient(
    135deg,
    var(--ink-black) 0%,
    var(--ink-light) 40%,
    var(--gold-dark) 70%,
    var(--gold) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.6;
}

.section-header::after {
  content: '';
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold-glow);
}

/* About 正文 - 行高与字间距优化 */
.about-text {
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
  text-align: justify;
  text-justify: inter-ideograph;
}

/* About lead - 字体大小和行距优化 */
.about-lead {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
  position: relative;
}

/* About lead - 精致文字效果 */
.about-lead::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}

.about-lead::after {
  content: '';
  position: absolute;
  right: -30px;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}

/* Contact 标签 - 字体层次优化 */
.contact-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.5);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.contact-label::before {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.6;
}

/* Contact 链接 - 精致字体效果 */
.contact-link {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  font-style: italic;
  color: var(--paper);
  position: relative;
  transition: all var(--duration-micro);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.contact-link::before {
  content: '';
  position: absolute;
  inset: -5px;
  background: radial-gradient(ellipse at center, var(--gold-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  z-index: -1;
}

.contact-link:hover {
  color: var(--gold-light);
  text-shadow:
    0 0 10px var(--gold-glow),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-link:hover::before {
  opacity: 1;
}

/* Footer - 字体层次优化 */
.copyright {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(250, 249, 247, 0.25);
  position: relative;
  padding-left: 15px;
}

.copyright::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--gold);
  opacity: 0.3;
  transform: translateY(-50%);
}

.footer-note {
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(250, 249, 247, 0.2);
  font-style: italic;
}

/* 通用 ::first-letter 样式 - 段落首字效果 */
.about-text p::first-letter,
.about-lead::first-letter {
  font-family: var(--font-display);
  font-size: 3.5em;
  font-weight: 400;
  float: left;
  line-height: 0.8;
  margin-right: 0.1em;
  margin-top: 0.05em;
  color: var(--gold-dark);
  text-shadow: 1px 1px 0 var(--gold-muted);
}

/* Section title 首字母特殊效果 */
.section-title::first-letter {
  color: var(--gold);
  text-shadow: 0 0 20px var(--gold-glow);
}

/* 通用 ::selection 样式优化 */
::selection {
  background: var(--gold);
  color: var(--ink-black);
}

::-moz-selection {
  background: var(--gold);
  color: var(--ink-black);
}

/* 段落内联高亮效果 */
.highlight {
  background: linear-gradient(
    180deg,
    transparent 50%,
    var(--gold-muted) 50%
  );
  padding: 0 2px;
}

/* 文字微光效果 - 用于重点强调 */
.glow-text {
  color: var(--gold);
  text-shadow:
    0 0 5px var(--gold-glow),
    0 0 10px var(--gold-muted),
    0 0 20px var(--gold-muted);
}

/* 文字描边效果 - 复古优雅 */
.outline-text {
  color: transparent;
  -webkit-text-stroke: 0.5px var(--gold-dark);
  text-shadow:
    1px 1px 0 var(--gold-muted),
    -1px -1px 0 var(--gold-muted);
}

/* 标题装饰容器 - 用于 flex 布局的装饰线 */
.title-decoration-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.title-decoration-wrapper::before,
.title-decoration-wrapper::after {
  content: '';
  width: 50px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-muted));
}

.title-decoration-wrapper::after {
  background: linear-gradient(90deg, var(--gold-muted), transparent);
}

/* 细线装饰 */
.fine-line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 var(--space-sm);
  opacity: 0.5;
}

/* 点状装饰 */
.dot-decoration {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  margin: 0 var(--space-sm);
  opacity: 0.6;
  vertical-align: middle;
  box-shadow: 0 0 6px var(--gold-glow);
}

/* ============================================================
   UTILITY
   ============================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================================
   交互与微动效增强 - 精致微交互与丝滑过渡
   ============================================================ */

/* ============================================================
   导航交互增强
   ============================================================ */

/* 品牌 Hover - 精致缩放与颜色过渡 */
.nav-brand {
  transition: all var(--duration-fast) var(--ease-smooth);
}

.nav-brand:hover {
  color: var(--gold-dark);
  transform: scale(1.03);
  text-shadow: 0 0 20px rgba(196, 163, 90, 0.25);
}

/* 导航链接 - 精致下划线动画 */
.nav-link::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover::before {
  width: 100%;
}

/* Maple 链接 - 光泽流动效果 */
.maple-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 15%,
    rgba(255, 255, 255, 0.4) 40%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0.4) 60%,
    transparent 85%
  );
  transform: translateX(-150%);
  transition: transform 0.7s var(--ease-out);
}

.maple-link:hover::before {
  transform: translateX(150%);
}

.maple-link:hover {
  box-shadow: var(--shadow-gold-soft);
}

/* ============================================================
   按钮动效优化
   ============================================================ */

/* 按钮光泽层动画 */
.btn::before {
  transition: transform 0.5s var(--ease-out), background 0.3s ease;
}

/* 按钮 Hover - 流畅 transform */
.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

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

/* 按钮 Focus 状态 - 精致轮廓 */
.btn:focus {
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(196, 163, 90, 0.2);
}

/* Primary 按钮增强 */
.btn-primary:hover {
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.25),
    0 0 30px rgba(196, 163, 90, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Secondary 按钮增强 */
.btn-secondary:hover {
  box-shadow:
    var(--shadow-deep),
    inset 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* ============================================================
   卡片交互优化
   ============================================================ */

/* 画廊项 - 细腻 transform 和阴影 */
.gallery-item:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow:
    0 25px 60px rgba(196, 163, 90, 0.18),
    0 0 50px rgba(196, 163, 90, 0.1);
}

.gallery-item:hover::before {
  box-shadow: inset 0 0 40px rgba(196, 163, 90, 0.12);
}

/* 画廊图片 - 微妙缩放效果 */
.gallery-item:hover img {
  transform: scale(1.12);
  filter: grayscale(0%) brightness(1.08);
}

/* Research 卡片 - 层次感和阴影 */
.research-item:hover {
  border-color: var(--gold);
  box-shadow:
    0 25px 70px rgba(196, 163, 90, 0.15),
    0 0 40px rgba(196, 163, 90, 0.08),
    inset 0 1px 0 rgba(196, 163, 90, 0.15);
  transform: translateY(-12px);
}

/* Research 图标动画 */
.research-icon::after {
  transition: all 0.5s var(--ease-spring);
}

.research-item:hover .research-icon::after {
  transform: scale(1.35) rotate(15deg);
  opacity: 0.9;
  box-shadow: 0 0 25px rgba(196, 163, 90, 0.4);
}

/* Research 标题悬停效果 */
.research-item h3 {
  transition: color var(--duration-micro) var(--ease-smooth);
}

.research-item:hover h3 {
  color: var(--gold-dark);
}

/* ============================================================
   链接动效优化
   ============================================================ */

/* Contact 链接下划线动画 */
.contact-link::after {
  transition: transform var(--duration-normal) var(--ease-out),
              background 0.3s ease;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.contact-link:hover {
  color: var(--gold-light);
  text-shadow: 0 0 25px rgba(196, 163, 90, 0.35);
}

/* 全局链接过渡效果 */
a {
  transition: color var(--duration-micro) var(--ease-smooth),
              opacity var(--duration-micro) var(--ease-smooth);
}

/* 链接焦点效果 */
a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============================================================
   滚动指示器增强 - 脉动效果
   ============================================================ */

/* 滚动指示器脉动动画 */
.scroll-indicator {
  animation: fadeIn 1s 2s var(--ease-out) forwards,
             scrollIndicatorPulse 3s ease-in-out 2s infinite;
}

@keyframes scrollIndicatorPulse {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0.6;
  }
}

/* 滚动线脉动效果 */
.scroll-line {
  animation: scrollLinePulse 2.5s var(--ease-smooth) infinite;
}

@keyframes scrollLinePulse {
  0%, 100% {
    opacity: 0.4;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.15);
  }
}

/* 滚动线光点动画 */
.scroll-line::before {
  animation: scrollPulse 2s var(--ease-smooth) infinite,
             scrollDotGlow 2s ease-in-out infinite;
}

@keyframes scrollDotGlow {
  0%, 100% {
    box-shadow: 0 0 15px var(--gold-light);
  }
  50% {
    box-shadow: 0 0 25px var(--gold-light), 0 0 40px var(--gold);
  }
}

/* 滚动文字微光效果 */
.scroll-text {
  animation: scrollTextPulse 3s ease-in-out infinite;
}

@keyframes scrollTextPulse {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.9;
  }
}

/* ============================================================
   Reveal 动画增强 - 精致入场效果
   ============================================================ */

/* 基础 Reveal 动画 */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-spring);
}

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

/* Reveal 左滑变体 */
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-spring);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal 右滑变体 */
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-spring);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal 缩放变体 */
.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-spring);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Reveal 淡入变体 */
.reveal-fade {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform 0.3s var(--ease-smooth);
}

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

/* Reveal 金色光晕变体 */
.reveal-glow {
  opacity: 0;
  transform: translateY(45px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth),
              text-shadow 0.6s var(--ease-smooth);
}

.reveal-glow.visible {
  opacity: 1;
  transform: translateY(0);
  text-shadow: 0 0 40px rgba(196, 163, 90, 0.2);
}

/* 延迟类 */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }
.reveal-delay-7 { transition-delay: 0.7s; }
.reveal-delay-8 { transition-delay: 0.8s; }

/* ============================================================
   Modal 动效优化
   ============================================================ */

/* Modal 关闭按钮旋转动画 */
.modal-close {
  transition: all var(--duration-fast) var(--ease-spring),
              color 0.2s ease;
}

.modal-close:hover {
  color: var(--gold);
  transform: rotate(90deg) scale(1.15);
}

.modal-close:active {
  transform: rotate(90deg) scale(0.92);
}

/* Modal 导航按钮增强 */
.modal-nav-btn {
  transition: all var(--duration-fast) var(--ease-spring);
  border-radius: 50%;
}

.modal-nav-btn:hover {
  color: var(--gold-light);
  transform: scale(1.25);
  background: rgba(196, 163, 90, 0.12);
  box-shadow: 0 0 25px rgba(196, 163, 90, 0.35);
}

.modal-nav-btn:active {
  transform: scale(1.1);
}

.modal-nav-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* Modal 图片入场效果 */
#gallery-img {
  transition: all var(--duration-normal) var(--ease-spring),
              opacity 0.4s ease;
}

.modal.open #gallery-img {
  opacity: 1;
  transform: scale(1);
  filter: saturate(1.1);
}

/* Modal 标题淡入效果 */
.modal-caption {
  animation: captionFade 0.5s var(--ease-out) 0.3s forwards;
  opacity: 0;
}

@keyframes captionFade {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
  to {
    opacity: 0.7;
    transform: translateX(-50%) translateY(0);
  }
}

.modal.open .modal-caption {
  animation: captionFade 0.5s var(--ease-out) 0.3s forwards;
}

/* ============================================================
   阴影与光晕工具类
   ============================================================ */

/* 金色光晕阴影 - 多层次效果 */
.shadow-gold {
  box-shadow:
    0 4px 20px rgba(196, 163, 90, 0.18),
    0 2px 8px rgba(196, 163, 90, 0.1),
    0 0 30px rgba(196, 163, 90, 0.08);
}

.shadow-gold-intense {
  box-shadow:
    0 8px 32px rgba(196, 163, 90, 0.3),
    0 4px 16px rgba(196, 163, 90, 0.2),
    0 0 60px rgba(196, 163, 90, 0.15);
}

.shadow-gold-soft {
  box-shadow:
    0 2px 12px rgba(196, 163, 90, 0.12),
    0 0 20px rgba(196, 163, 90, 0.06);
}

/* 金色光晕效果类 */
.glow {
  position: relative;
}

.glow::after {
  content: '';
  position: absolute;
  inset: -4px;
  background: radial-gradient(
    ellipse at center,
    var(--glow-gold-soft) 0%,
    transparent 70%
  );
  border-radius: inherit;
  filter: blur(8px);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  pointer-events: none;
}

.glow:hover::after {
  opacity: 1;
}

/* 文字光晕效果 */
.text-glow {
  text-shadow:
    0 0 10px var(--glow-gold-soft),
    0 0 20px var(--glow-gold-soft),
    0 0 40px rgba(196, 163, 90, 0.2);
}

.text-glow-subtle {
  text-shadow:
    0 0 8px rgba(196, 163, 90, 0.1),
    0 0 16px rgba(196, 163, 90, 0.08);
}

.text-glow-intense {
  text-shadow:
    0 0 15px var(--glow-gold-medium),
    0 0 30px var(--glow-gold-soft),
    0 0 60px rgba(196, 163, 90, 0.3);
}

/* 光晕动画 */
@keyframes glowPulse {
  0%, 100% {
    opacity: 0.6;
    filter: blur(8px);
  }
  50% {
    opacity: 1;
    filter: blur(10px);
  }
}

.glow-animate {
  animation: glowPulse 3s ease-in-out infinite;
}

/* 卡片内阴影层次 */
.card-lifted {
  box-shadow:
    var(--shadow-subtle),
    var(--inner-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.card-elevated {
  box-shadow:
    var(--shadow-medium),
    var(--inner-shadow-deep),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 -1px 0 rgba(0, 0, 0, 0.02);
}

.card-sunken {
  box-shadow:
    inset 0 2px 8px rgba(0, 0, 0, 0.06),
    inset 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* 分层背景效果 */
.layered-bg {
  position: relative;
}

.layered-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  filter: blur(1px);
  opacity: 0.5;
  z-index: -1;
}

/* 黄金元素悬浮光效 */
.gold-hover-glow {
  transition:
    box-shadow var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth);
}

.gold-hover-glow:hover {
  box-shadow:
    0 6px 24px rgba(196, 163, 90, 0.2),
    0 0 40px rgba(196, 163, 90, 0.1);
  transform: translateY(-4px);
}

/* 边缘高光效果 */
.edge-highlight {
  position: relative;
}

.edge-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 30%,
    transparent 70%,
    rgba(196, 163, 90, 0.2) 100%
  ) 1;
  pointer-events: none;
}

/* 内发光边框 */
.inner-glow-border {
  position: relative;
}

.inner-glow-border::after {
  content: '';
  position: absolute;
  inset: 2px;
  border: 1px solid rgba(196, 163, 90, 0.15);
  border-radius: inherit;
  pointer-events: none;
  box-shadow:
    inset 0 0 10px rgba(196, 163, 90, 0.05),
    inset 0 0 20px rgba(196, 163, 90, 0.03);
}

/* ============================================================
   FINAL UI POLISH OVERRIDES
   ============================================================ */

/* 为内容区域补充更有呼吸感的线条与几何图案 */
.content-section {
  isolation: isolate;
}

.section-bg-pattern {
  --pattern-line: rgba(196, 163, 90, 0.08);
  --pattern-dot: rgba(196, 163, 90, 0.16);
  --pattern-ring: rgba(196, 163, 90, 0.12);
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 1;
  background-image:
    linear-gradient(115deg, transparent 0%, transparent 42%, rgba(196, 163, 90, 0.04) 50%, transparent 58%, transparent 100%),
    repeating-linear-gradient(90deg, transparent 0 71px, var(--pattern-line) 71px 72px),
    repeating-linear-gradient(0deg, transparent 0 71px, var(--pattern-line) 71px 72px),
    radial-gradient(circle at center, var(--pattern-dot) 0 1.3px, transparent 1.4px);
  background-size: 100% 100%, 72px 72px, 72px 72px, 72px 72px;
  background-position: center;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 12%, rgba(0, 0, 0, 0.9) 88%, transparent 100%);
}

.section-bg-pattern::before,
.section-bg-pattern::after {
  content: '';
  position: absolute;
  inset: -12%;
  pointer-events: none;
}

.section-bg-pattern::before {
  background:
    radial-gradient(circle at 14% 22%, transparent 0 120px, var(--pattern-ring) 120px 121px, transparent 121px),
    radial-gradient(circle at 86% 18%, transparent 0 170px, rgba(196, 163, 90, 0.08) 170px 171px, transparent 171px),
    radial-gradient(circle at 18% 84%, transparent 0 145px, rgba(196, 163, 90, 0.07) 145px 146px, transparent 146px);
  opacity: 0.85;
}

.section-bg-pattern::after {
  background:
    linear-gradient(135deg, transparent 0%, transparent 47%, rgba(196, 163, 90, 0.08) 50%, transparent 53%, transparent 100%),
    linear-gradient(25deg, transparent 0%, transparent 46%, rgba(196, 163, 90, 0.06) 50%, transparent 54%, transparent 100%);
  opacity: 0.55;
  mix-blend-mode: multiply;
}

.about-section .section-bg-pattern {
  --pattern-line: rgba(196, 163, 90, 0.08);
  --pattern-dot: rgba(196, 163, 90, 0.14);
}

.gallery-section .section-bg-pattern {
  --pattern-line: rgba(196, 163, 90, 0.10);
  --pattern-dot: rgba(196, 163, 90, 0.18);
}

.research-section .section-bg-pattern {
  --pattern-line: rgba(168, 138, 69, 0.08);
  --pattern-dot: rgba(196, 163, 90, 0.14);
}

.contact-section .section-bg-pattern {
  --pattern-line: rgba(212, 184, 106, 0.09);
  --pattern-dot: rgba(212, 184, 106, 0.18);
  --pattern-ring: rgba(212, 184, 106, 0.12);
  opacity: 0.9;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 8%, rgba(0, 0, 0, 0.95) 92%, transparent 100%);
}

/* 图片查看器交互与视觉收尾 */
.modal {
  background:
    radial-gradient(circle at 50% 50%, rgba(196, 163, 90, 0.06) 0%, rgba(15, 14, 13, 0) 42%),
    linear-gradient(180deg, rgba(10, 9, 8, 0.88) 0%, rgba(15, 14, 13, 0.94) 100%);
}

.modal-viewport {
  cursor: grab;
  touch-action: none;
}

.modal-viewport.is-dragging {
  cursor: grabbing;
}

#gallery-img {
  max-width: min(92vw, 1600px);
  max-height: 88vh;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: none;
  transform-origin: center center;
  transition:
    transform 0.18s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease,
    filter 0.28s ease;
  filter: saturate(1.04) contrast(1.01);
}

.modal-nav-btn {
  top: 50%;
  bottom: auto;
  width: 58px;
  height: 58px;
  transform: translateY(-50%);
  border-radius: 999px;
  color: rgba(250, 249, 247, 0.78);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(196, 163, 90, 0.08) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
}

.modal-nav-btn.prev {
  left: 24px;
  padding-left: 0;
  justify-content: center;
}

.modal-nav-btn.next {
  right: 24px;
  padding-right: 0;
  justify-content: center;
}

.modal-nav-btn svg {
  width: 28px;
  height: 28px;
}

.modal-nav-btn.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-counter,
.modal-caption,
.modal-close,
.modal-nav-btn {
  transition:
    opacity 0.35s ease,
    transform 0.35s ease,
    color 0.25s ease,
    background-color 0.25s ease,
    box-shadow 0.25s ease;
}

.modal-counter {
  bottom: 28px;
  padding: 8px 16px;
  background: rgba(10, 9, 8, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(250, 249, 247, 0.78);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.modal-counter:not(.is-visible) {
  opacity: 0;
  pointer-events: none;
}

.modal-caption {
  bottom: 72px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(10, 9, 8, 0.16);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: rgba(250, 249, 247, 0.7);
}

.modal-close {
  top: 22px;
  right: 22px;
  background: rgba(10, 9, 8, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.modal.ui-idle .modal-counter,
.modal.ui-idle .modal-caption,
.modal.ui-idle .modal-close,
.modal.ui-idle .modal-nav-btn:not(.is-hidden) {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.modal.ui-idle .modal-nav-btn.prev {
  transform: translate(-10px, -50%);
}

.modal.ui-idle .modal-nav-btn.next {
  transform: translate(10px, -50%);
}

@media (max-width: 768px) {
  .section-bg-pattern {
    background-size: 100% 100%, 56px 56px, 56px 56px, 56px 56px;
  }

  .section-bg-pattern::before {
    opacity: 0.65;
  }

  .modal-nav-btn {
    width: 48px;
    height: 48px;
  }

  .modal-nav-btn.prev {
    left: 14px;
  }

  .modal-nav-btn.next {
    right: 14px;
  }

  .modal-caption {
    max-width: calc(100vw - 48px);
    text-align: center;
  }
}