/* ============================================================
   个人资源站 · 全局样式
   结构：变量 / 基础 / 背景特效 / 头部导航 / 首屏轮播 / 通用区块
        / 关于 / 联系 / 音乐播放器 / 文章 / 照片墙 / 留言
        / 页脚 / 灯箱 / 提示 / 响应式
   ============================================================ */

/* ---------------- 1. 主题变量 ---------------- */
:root {
  --neon: #00e5ff;
  --neon-2: #7c4dff;
  --neon-3: #ff2d95;
  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* 深色（默认） */
html[data-theme="dark"] {
  --bg: #05070f;
  --bg-2: #0a1020;
  --bg-3: #101a30;
  --text: #e8f1ff;
  --text-dim: #93a4c4;
  --text-faint: #5f7191;
  --border: rgba(0, 229, 255, 0.16);
  --border-strong: rgba(0, 229, 255, 0.4);
  --glass: rgba(14, 24, 44, 0.55);
  --glass-2: rgba(18, 30, 54, 0.72);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.55);
  --glow: 0 0 26px rgba(0, 229, 255, 0.28);
  --grid-line: rgba(0, 229, 255, 0.06);
}

/* 浅色 */
html[data-theme="light"] {
  --bg: #eef3fb;
  --bg-2: #ffffff;
  --bg-3: #e3ecf9;
  --text: #0e1a2b;
  --text-dim: #4a5b73;
  --text-faint: #7d8ea6;
  --border: rgba(10, 70, 130, 0.14);
  --border-strong: rgba(0, 120, 200, 0.4);
  --glass: rgba(255, 255, 255, 0.68);
  --glass-2: rgba(255, 255, 255, 0.86);
  --shadow: 0 18px 44px rgba(20, 40, 80, 0.14);
  --glow: 0 0 24px rgba(0, 140, 220, 0.18);
  --grid-line: rgba(0, 90, 160, 0.07);
}

/* ---------------- 2. 基础 ---------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a {
  color: var(--neon);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover {
  color: var(--neon-2);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
}

::selection {
  background: rgba(0, 229, 255, 0.3);
  color: var(--text);
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--neon), var(--neon-2));
  border-radius: 8px;
  border: 2px solid var(--bg);
}

/* ---------------- 3. 背景特效 ---------------- */
#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(0, 229, 255, 0.16), transparent 62%),
    radial-gradient(820px 500px at 88% 4%, rgba(124, 77, 255, 0.18), transparent 60%),
    radial-gradient(760px 620px at 50% 108%, rgba(255, 45, 149, 0.1), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
}

.bg-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}

main,
.site-footer,
.site-header {
  position: relative;
  z-index: 1;
}

/* 玻璃拟态卡片 */
.glass {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: var(--shadow);
}

/* ---------------- 4. 头部导航 ---------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.4px;
  color: var(--text);
  white-space: nowrap;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--neon) 55%, var(--neon-2));
  box-shadow: 0 0 14px var(--neon), 0 0 28px rgba(0, 229, 255, 0.5);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.18); opacity: 0.78; }
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--text-dim);
  transition: color var(--transition), background var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  transform: translateX(-50%);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(0, 229, 255, 0.08);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 56%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-dim);
  transition: all var(--transition);
}

.icon-btn:hover {
  color: var(--neon);
  border-color: var(--border-strong);
  box-shadow: var(--glow);
  transform: translateY(-1px);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

/* 主题图标切换 */
.icon-sun { display: none; }
html[data-theme="light"] .icon-sun { display: block; }
html[data-theme="light"] .icon-moon { display: none; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  width: 17px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- 5. 首屏轮播 ---------------- */
.hero {
  position: relative;
  padding: 96px 0 0;
}

.carousel {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  height: min(74vh, 620px);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), var(--glow);
  background: var(--bg-3);
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.72s cubic-bezier(0.5, 0, 0.15, 1);
  will-change: transform;
}

.slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  overflow: hidden;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 6s linear;
}

.slide.active .slide-bg {
  transform: scale(1.12);
}

.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 6, 14, 0.28) 0%, rgba(3, 6, 14, 0.05) 42%, rgba(3, 6, 14, 0.82) 100%);
}

html[data-theme="light"] .slide::after {
  background: linear-gradient(180deg, rgba(10, 20, 35, 0.12) 0%, rgba(10, 20, 35, 0.02) 40%, rgba(8, 16, 30, 0.72) 100%);
}

.slide-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 78px;
  z-index: 2;
  padding: 0 clamp(24px, 5vw, 64px);
  color: #f2f8ff;
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.55);
}

.slide-caption h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.2;
  letter-spacing: 0.5px;
  background: linear-gradient(100deg, #ffffff 10%, var(--neon) 55%, var(--neon-2) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 4px 20px rgba(0, 229, 255, 0.35));
}

.slide-caption p {
  margin: 0;
  font-size: clamp(13.5px, 1.6vw, 17px);
  color: rgba(233, 244, 255, 0.86);
  letter-spacing: 2px;
}

.slide-caption .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 1.4px;
  color: var(--neon);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.34);
  backdrop-filter: blur(8px);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  color: #eaf6ff;
  background: rgba(8, 14, 26, 0.42);
  border: 1px solid rgba(0, 229, 255, 0.3);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: all var(--transition);
}

.carousel:hover .carousel-arrow,
.carousel:focus-within .carousel-arrow {
  opacity: 1;
}

.carousel-arrow:hover {
  background: rgba(0, 229, 255, 0.22);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.5);
}

.carousel-arrow.prev { left: 16px; }
.carousel-arrow.next { right: 16px; }

.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: flex;
  gap: 9px;
  z-index: 4;
}

.carousel-dots button {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.4);
  transition: all var(--transition);
}

.carousel-dots button.active {
  width: 28px;
  background: linear-gradient(90deg, var(--neon), var(--neon-2));
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.7);
}

.scroll-hint {
  display: block;
  width: 24px;
  height: 40px;
  margin: 26px auto 0;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  position: relative;
}

.scroll-hint span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--neon);
  transform: translateX(-50%);
  animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ---------------- 6. 通用区块 ---------------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 74px 22px 10px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 26px;
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 700;
  letter-spacing: 0.6px;
}

.section-title span {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--neon);
  padding: 3px 9px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: rgba(0, 229, 255, 0.08);
  letter-spacing: 1px;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}

.section-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--text-faint);
}

.section-note code,
.about-bio code {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 229, 255, 0.1);
  color: var(--neon);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn.primary {
  color: #021018;
  background: linear-gradient(120deg, var(--neon), #62f0ff 40%, var(--neon-2));
  border-color: transparent;
  box-shadow: 0 10px 28px rgba(0, 229, 255, 0.28);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 229, 255, 0.42);
  color: #00121a;
}

.btn.ghost {
  color: var(--text);
  background: var(--glass);
}

.btn.ghost:hover {
  border-color: var(--border-strong);
  color: var(--neon);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* 滚动入场动画 */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34, 1.3, 0.64, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------------- 7. 关于 / 站长介绍 ---------------- */
.about-card {
  display: flex;
  gap: 32px;
  padding: 32px;
  align-items: flex-start;
}

.about-avatar {
  position: relative;
  flex: 0 0 auto;
  width: 132px;
  height: 132px;
  border-radius: 26px;
  padding: 3px;
  background: linear-gradient(140deg, var(--neon), var(--neon-2), var(--neon-3));
  box-shadow: 0 0 26px rgba(0, 229, 255, 0.32);
}

.about-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 23px;
  object-fit: cover;
  background: var(--bg-3);
}

.about-avatar::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 32px;
  border: 1px dashed var(--border-strong);
  opacity: 0.5;
  animation: spinSlow 18s linear infinite;
}

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

.about-body {
  flex: 1;
  min-width: 0;
}

.about-name {
  margin: 0 0 4px;
  font-size: 26px;
  letter-spacing: 0.5px;
}

.about-title {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--neon);
  letter-spacing: 1px;
}

.about-bio {
  margin: 0 0 18px;
  color: var(--text-dim);
  font-size: 15px;
  max-width: 68ch;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tag {
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.6px;
  color: var(--neon);
  background: rgba(0, 229, 255, 0.09);
  border: 1px solid rgba(0, 229, 255, 0.28);
  transition: all var(--transition);
}

.tag:hover {
  background: rgba(0, 229, 255, 0.18);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
  transform: translateY(-1px);
}

/* 资源导航卡片 */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.resource-card {
  position: relative;
  display: block;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all var(--transition);
  color: var(--text);
}

.resource-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(0, 229, 255, 0.14), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
}

.resource-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow), var(--glow);
  color: var(--text);
}

.resource-card:hover::before {
  opacity: 1;
}

.resource-icon {
  font-size: 24px;
  margin-bottom: 8px;
  display: block;
}

.resource-name {
  font-weight: 650;
  font-size: 15.5px;
  margin-bottom: 3px;
}

.resource-desc {
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------------- 8. 联系方式 ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  color: var(--text);
  transition: all var(--transition);
  overflow: hidden;
}

.contact-item:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow), var(--glow);
  color: var(--text);
}

.contact-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--neon);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.24);
}

.contact-icon svg {
  width: 21px;
  height: 21px;
}

.contact-text {
  min-width: 0;
}

.contact-label {
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 1px;
}

.contact-value {
  font-size: 14.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------------- 9. 音乐播放器 ---------------- */
.player {
  display: flex;
  gap: 34px;
  padding: 30px;
  align-items: center;
}

.player-visual {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.disc {
  position: relative;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #1a1f2e 0 22%, transparent 23%),
    repeating-radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0 2px, transparent 2px 5px),
    conic-gradient(from 0deg, #0b1220, #17233a, #0b1220, #1d2b46, #0b1220);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7), 0 0 34px rgba(0, 229, 255, 0.22);
  display: grid;
  place-items: center;
  animation: spinSlow 9s linear infinite;
  animation-play-state: paused;
}

.disc.playing {
  animation-play-state: running;
}

.disc-cover {
  width: 62%;
  height: 62%;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(0, 229, 255, 0.5);
  background: linear-gradient(140deg, var(--neon-2), var(--neon));
  display: grid;
  place-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
}

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

/* 频谱条 */
.eq {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 22px;
}

.eq i {
  display: block;
  width: 3px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--neon), var(--neon-2));
  opacity: 0.45;
}

.eq.active i {
  animation: eqBounce 0.9s ease-in-out infinite;
}

.eq.active i:nth-child(2) { animation-delay: 0.12s; }
.eq.active i:nth-child(3) { animation-delay: 0.24s; }
.eq.active i:nth-child(4) { animation-delay: 0.36s; }
.eq.active i:nth-child(5) { animation-delay: 0.48s; }

@keyframes eqBounce {
  0%, 100% { height: 5px; opacity: 0.4; }
  50% { height: 20px; opacity: 1; }
}

.player-main {
  flex: 1;
  min-width: 0;
}

.track-meta h3 {
  margin: 0 0 2px;
  font-size: 19px;
  letter-spacing: 0.4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-meta p {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 1px;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  min-width: 42px;
  text-align: center;
}

/* 自定义进度条 */
.range {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(140, 160, 200, 0.24);
  outline: none;
  cursor: pointer;
}

.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.9);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.range::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: none;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.9);
  cursor: pointer;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.ctrl-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--glass-2);
  color: var(--text-dim);
  transition: all var(--transition);
}

.ctrl-btn svg {
  width: 19px;
  height: 19px;
}

.ctrl-btn:hover {
  color: var(--neon);
  border-color: var(--border-strong);
  box-shadow: var(--glow);
}

.ctrl-btn.play {
  width: 54px;
  height: 54px;
  color: #021018;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  border: none;
  box-shadow: 0 10px 26px rgba(0, 229, 255, 0.34);
}

.ctrl-btn.play svg {
  width: 22px;
  height: 22px;
}

.ctrl-btn.play:hover {
  transform: scale(1.06);
}

.ctrl-btn.play .ico-pause { display: none; }
.ctrl-btn.play.playing .ico-play { display: none; }
.ctrl-btn.play.playing .ico-pause { display: block; }

.volume-box {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
}

.vol-icon {
  width: 19px;
  height: 19px;
  color: var(--text-faint);
}

.volume-range {
  width: 104px;
  flex: 0 0 auto;
}

.playlist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-height: 176px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
}

.playlist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition);
}

.playlist li:hover {
  background: rgba(0, 229, 255, 0.08);
  color: var(--text);
}

.playlist li.active {
  color: var(--neon);
  background: rgba(0, 229, 255, 0.1);
}

.playlist .idx {
  font-family: var(--mono);
  font-size: 12px;
  width: 22px;
  color: var(--text-faint);
}

.playlist li.active .idx {
  color: var(--neon);
}

/* ---------------- 10. 文章 ---------------- */
.article-list {
  display: grid;
  gap: 16px;
}

.article-card {
  position: relative;
  display: block;
  padding: 24px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  color: var(--text);
  transition: all var(--transition);
  overflow: hidden;
}

.article-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--neon), var(--neon-2));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow), var(--glow);
  color: var(--text);
}

.article-card:hover::after {
  transform: scaleY(1);
}

.article-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: 0.3px;
  transition: color var(--transition);
}

.article-card:hover h3 {
  color: var(--neon);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-faint);
  margin-bottom: 10px;
  font-family: var(--mono);
}

.article-summary {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14.5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-tag {
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--neon-2);
  background: rgba(124, 77, 255, 0.12);
  border: 1px solid rgba(124, 77, 255, 0.3);
}

.list-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 0 6px;
}

.list-status {
  margin: 0;
  font-size: 13px;
  color: var(--text-faint);
  text-align: center;
}

.list-status.warn {
  color: #ffb340;
}

.empty-tip {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* 骨架屏 */
.skeleton {
  height: 118px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(100deg, var(--glass) 20%, var(--glass-2) 40%, var(--glass) 60%);
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
}

@keyframes shimmer {
  to { background-position: -120% 0; }
}

/* ---------------- 11. 文章详情页 ---------------- */
.article-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 110px 22px 40px;
}

.article-detail {
  padding: clamp(22px, 4vw, 48px);
}

.article-loading {
  color: var(--text-faint);
  text-align: center;
  padding: 40px 0;
  font-size: 14px;
}

.article-head {
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.article-head h1 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.32;
  letter-spacing: 0.3px;
  background: linear-gradient(100deg, var(--text) 20%, var(--neon) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-head .article-meta {
  margin-bottom: 0;
}

/* Markdown 内容排版 */
.markdown-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  word-break: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 1.6em 0 0.6em;
  line-height: 1.35;
  letter-spacing: 0.3px;
}

.markdown-body h2 {
  font-size: 1.45em;
  padding-left: 12px;
  border-left: 3px solid var(--neon);
}

.markdown-body h3 {
  font-size: 1.22em;
  color: var(--neon);
}

.markdown-body p {
  margin: 0 0 1.1em;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0 0 1.1em;
  padding-left: 1.5em;
}

.markdown-body li {
  margin: 0.35em 0;
}

.markdown-body a {
  border-bottom: 1px dashed var(--border-strong);
}

.markdown-body blockquote {
  margin: 0 0 1.2em;
  padding: 14px 20px;
  border-left: 3px solid var(--neon-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(124, 77, 255, 0.08);
  color: var(--text-dim);
}

.markdown-body code {
  font-family: var(--mono);
  font-size: 0.9em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 229, 255, 0.1);
  color: var(--neon);
}

.md-code {
  position: relative;
  margin: 0 0 1.3em;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(4, 10, 20, 0.72);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.7;
}

html[data-theme="light"] .md-code {
  background: rgba(12, 24, 40, 0.92);
}

.md-code code {
  background: none;
  padding: 0;
  color: #c9ecff;
  font-size: inherit;
}

.markdown-body hr {
  margin: 2em 0;
  border: none;
  border-top: 1px solid var(--border);
}

.markdown-body img {
  border-radius: var(--radius-sm);
  margin: 1em 0;
  box-shadow: var(--shadow);
}

.md-table-wrap {
  overflow-x: auto;
  margin: 0 0 1.3em;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.markdown-body th,
.markdown-body td {
  padding: 9px 13px;
  border: 1px solid var(--border);
  text-align: left;
}

.markdown-body th {
  background: rgba(0, 229, 255, 0.08);
  color: var(--neon);
  font-weight: 600;
}

.article-nav {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}

/* ---------------- 12. 照片墙 ---------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(140deg, var(--bg-3), var(--bg-2));
  cursor: zoom-in;
  transition: all var(--transition);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.3, 0, 0.2, 1), filter var(--transition);
}

.gallery-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--glow), var(--shadow);
  transform: translateY(-3px);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 14px 12px;
  font-size: 13px;
  color: #eaf6ff;
  background: linear-gradient(180deg, transparent, rgba(3, 8, 16, 0.86));
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition);
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: none;
}

/* 无图片时的占位图案 */
.gallery-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 2px;
  background-image: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(124, 77, 255, 0.12)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.03) 0 10px, transparent 10px 20px);
}

/* ---------------- 13. 留言板 ---------------- */
.message-form {
  padding: 26px;
  margin-bottom: 22px;
}

.form-row {
  margin-bottom: 16px;
  position: relative;
}

.form-row label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.6px;
}

.form-row label em {
  color: var(--neon-3);
  font-style: normal;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(6, 14, 26, 0.4);
  outline: none;
  transition: all var(--transition);
  resize: vertical;
}

html[data-theme="light"] .form-row input,
html[data-theme="light"] .form-row textarea {
  background: rgba(255, 255, 255, 0.8);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

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

.counter {
  position: absolute;
  right: 4px;
  bottom: -18px;
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--text-faint);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.form-tip {
  font-size: 13px;
  color: var(--text-faint);
}

.form-tip.error {
  color: #ff6b81;
}

.form-tip.success {
  color: #3ddc97;
}

.message-list {
  display: grid;
  gap: 12px;
}

.message-item {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.message-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--glow);
}

.msg-avatar {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
  color: #021018;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.34);
}

.msg-body {
  min-width: 0;
  flex: 1;
}

.msg-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}

.msg-nick {
  font-weight: 650;
  font-size: 15px;
}

.msg-time {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-faint);
}

.msg-text {
  margin: 0;
  font-size: 14.5px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-word;
}

.msg-contact {
  display: inline-block;
  margin-top: 7px;
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--mono);
}

/* ---------------- 14. 页脚 ---------------- */
.site-footer {
  max-width: var(--maxw);
  margin: 60px auto 0;
  padding: 34px 22px 40px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13.5px;
  color: var(--text-faint);
}

.site-footer p {
  margin: 0 0 6px;
}

.footer-sub {
  font-size: 12px;
  color: var(--text-faint);
  opacity: 0.75;
  font-family: var(--mono);
}

/* ---------------- 15. 灯箱 ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 5, 12, 0.92);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.24s ease;
  padding: 4vh 6vw;
}

.lightbox[hidden] {
  display: none;
}

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

.lightbox-figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.lightbox-figure img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), 0 0 60px rgba(0, 229, 255, 0.16);
  animation: zoomIn 0.3s cubic-bezier(0.34, 1.4, 0.64, 1);
}

@keyframes zoomIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-figure figcaption {
  font-size: 13.5px;
  color: rgba(230, 240, 255, 0.8);
  font-family: var(--mono);
  letter-spacing: 0.6px;
}

.lightbox-close,
.lightbox-arrow {
  position: absolute;
  color: #eaf6ff;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.3);
  background: rgba(10, 18, 32, 0.6);
  display: grid;
  place-items: center;
  transition: all var(--transition);
}

.lightbox-close {
  top: 22px;
  right: 22px;
  width: 42px;
  height: 42px;
  font-size: 24px;
  line-height: 1;
}

.lightbox-arrow {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 28px;
  line-height: 1;
}

.lightbox-arrow.prev { left: 18px; }
.lightbox-arrow.next { right: 18px; }

.lightbox-close:hover,
.lightbox-arrow:hover {
  background: rgba(0, 229, 255, 0.24);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.5);
}

body.lightbox-open {
  overflow: hidden;
}

/* ---------------- 16. 轻提示 ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translate(-50%, 24px);
  z-index: 300;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text);
  background: var(--glass-2);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow), var(--glow);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.3, 0.64, 1);
  max-width: 88vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------------- 17. 响应式 ---------------- */
@media (max-width: 900px) {
  .about-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 26px 20px;
  }
  .about-bio {
    margin-left: auto;
    margin-right: auto;
  }
  .tag-list {
    justify-content: center;
  }
  .player {
    flex-direction: column;
    align-items: stretch;
    padding: 24px 20px;
    gap: 22px;
  }
  .player-visual {
    align-self: center;
  }
  .volume-box {
    margin-left: 0;
  }
  .player-controls {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 68px;
    left: 14px;
    right: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border-radius: var(--radius);
    background: var(--glass-2);
    border: 1px solid var(--border);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    margin-left: 0;
  }
  .nav.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    padding: 11px 14px;
    border-radius: var(--radius-sm);
  }
  .hero {
    padding-top: 84px;
  }
  .carousel {
    height: 62vh;
    border-radius: var(--radius);
    margin: 0 14px;
  }
  .carousel-arrow {
    opacity: 1;
    width: 38px;
    height: 38px;
    font-size: 22px;
  }
  .slide-caption {
    bottom: 58px;
    padding: 0 22px;
  }
  .section {
    padding: 56px 18px 8px;
  }
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 10px;
  }
  .article-main {
    padding: 92px 16px 30px;
  }
  .disc {
    width: 128px;
    height: 128px;
  }
  .lightbox-arrow {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }
  .lightbox-arrow.prev { left: 8px; }
  .lightbox-arrow.next { right: 8px; }
  .volume-range {
    width: 82px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}