/* ============================================================
   Zach 个人主页样式
   设计语言：深空暗色 × 霓虹渐变（青 → 紫 → 粉）× 玻璃拟态
   ============================================================ */

:root {
  --bg: #06060e;
  --bg2: #0a0a18;
  --panel: rgba(255, 255, 255, .045);
  --panel-2: rgba(255, 255, 255, .08);
  --brd: rgba(255, 255, 255, .1);
  --txt: #eceef8;
  --dim: #9aa1bd;
  --faint: #626a85;
  --c1: #22d3ee;
  --c2: #818cf8;
  --c3: #e879f9;
  --gold: #fbbf24;
  --grad: linear-gradient(100deg, #22d3ee, #818cf8, #e879f9);
  --grad-soft: linear-gradient(100deg, #67e8f9, #a5b4fc, #f0abfc);
  --font-latin: 'Space Grotesk', 'PingFang SC', sans-serif;
  --font-tech: 'Orbitron', 'Space Grotesk', monospace;
  --font-fun: 'ZCOOL KuaiLe', 'Noto Sans SC', sans-serif;
  --font-cn: 'Noto Sans SC', 'PingFang SC', sans-serif;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

::selection { background: rgba(129, 140, 248, .45); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #1b2b52, #4c1d5e);
  border-radius: 8px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #27396b, #67287f); }

a { color: inherit; }
button { font-family: inherit; }

/* 自定义光标开启时隐藏原生光标 */
.has-cursor, .has-cursor * { cursor: none !important; }

/* ============================================================
   固定层：背景 / 特效 / 质感
   ============================================================ */

#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; display: block;
}

#fx-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 90; pointer-events: none;
}

.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

.vignette {
  position: fixed; inset: 0; z-index: 61; pointer-events: none;
  background: radial-gradient(130% 100% at 50% 38%, transparent 60%, rgba(0, 0, 0, .35) 100%);
}

/* 彩蛋全屏遮罩：触发时银河提升到最上层，盖住整个页面 */
#egg-backdrop {
  position: fixed; inset: 0; z-index: 150;
  background: radial-gradient(85% 85% at 50% 45%, rgba(10, 10, 28, .72), rgba(2, 2, 9, .92));
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity .45s ease;
}
body.egg-active #egg-backdrop { opacity: 1; }
body.egg-active #bg-canvas { z-index: 155; }

/* 彩蛋定格时的名字标题：DOM 层，永远完整居中 */
#egg-name {
  position: fixed; left: 50%; top: 50%; z-index: 160;
  transform: translate(-50%, -50%);
  width: 92vw; text-align: center; pointer-events: none;
  opacity: 0; transition: opacity .45s ease;
}
#egg-name.show { opacity: 1; }
#egg-name b {
  display: block;
  font-family: var(--font-tech); font-weight: 900;
  font-size: clamp(3rem, 12vw, 8rem);
  letter-spacing: .1em; line-height: 1.15;
  background: linear-gradient(100deg, #fde68a, #fbbf24, #f59e0b, #fde68a);
  background-size: 240% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 36px rgba(251, 191, 36, .38));
  animation: shimmer 4s linear infinite;
}
#egg-name span {
  display: inline-block; margin-top: 12px;
  color: rgba(236, 238, 248, .78);
  font-family: var(--font-fun); font-size: clamp(.9rem, 2.4vw, 1.2rem);
  letter-spacing: .35em; text-indent: .35em;
}

/* 自定义光标（默认隐藏，仅桌面端 .has-cursor 时显示，避免移动端左上角残留） */
#cursor-dot, #cursor-ring { display: none; }
.has-cursor #cursor-dot, .has-cursor #cursor-ring { display: block; }
#cursor-dot {
  position: fixed; left: 0; top: 0; z-index: 200; pointer-events: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c1);
  box-shadow: 0 0 12px var(--c1);
}
#cursor-ring {
  position: fixed; left: 0; top: 0; z-index: 199; pointer-events: none;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1.5px solid rgba(140, 160, 255, .55);
  transition: width .25s, height .25s, border-color .25s, background .25s;
}
#cursor-ring.hover {
  width: 62px; height: 62px;
  border-color: var(--c3);
  background: rgba(232, 121, 249, .08);
}

/* 顶部滚动进度条 */
.progress-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120;
}
.progress-bar i {
  display: block; height: 100%; width: 100%;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 12px rgba(129, 140, 248, .8);
}

/* ============================================================
   加载动画
   ============================================================ */

#loader {
  position: fixed; inset: 0; z-index: 300;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  background: var(--bg);
  transition: opacity .6s ease, visibility .6s;
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-name {
  font-family: var(--font-tech); font-weight: 900; font-size: 3.2rem; letter-spacing: .18em;
  background: var(--grad); background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 2.6s linear infinite;
}
.loader-bar {
  width: 220px; height: 3px; border-radius: 3px;
  background: rgba(255, 255, 255, .1); overflow: hidden;
}
.loader-bar i { display: block; height: 100%; width: 0; background: var(--grad); border-radius: 3px; }
.loader-tip { color: var(--faint); font-size: .85rem; letter-spacing: .12em; }

/* ============================================================
   导航
   ============================================================ */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 40px);
  background: rgba(6, 6, 14, .5);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-color: var(--brd); background: rgba(6, 6, 14, .8); }

.logo {
  font-family: var(--font-tech); font-weight: 900; font-size: 1.7rem; text-decoration: none;
  background: var(--grad); background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 6s linear infinite;
}
.logo span { color: var(--c3); }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 6px 13px; border-radius: 999px;
  color: var(--dim); text-decoration: none; font-size: .92rem;
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--txt); background: rgba(255, 255, 255, .06); }
.nav-links a.active {
  color: #0b0b1a; font-weight: 700;
  background: var(--grad);
  box-shadow: 0 4px 18px -4px rgba(129, 140, 248, .6);
}

.nav-right { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--brd); background: rgba(255, 255, 255, .04);
  color: var(--dim); line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .25s, color .25s, transform .25s;
}
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn:hover { border-color: var(--c1); color: var(--txt); transform: scale(1.08); }

.menu-btn {
  display: none; flex-direction: column; gap: 5px;
  width: 38px; height: 38px; align-items: center; justify-content: center;
  background: transparent; border: none;
}
.menu-btn span {
  display: block; width: 22px; height: 2px; border-radius: 2px;
  background: var(--txt); transition: transform .3s, opacity .3s;
}
.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: var(--nav-h); right: 0; z-index: 99;
  width: min(300px, 82vw);
  height: calc(100vh - var(--nav-h));
  padding: 24px 28px;
  background: rgba(6, 6, 14, .96);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-left: 1px solid var(--brd);
  transform: translateX(102%); transition: transform .35s cubic-bezier(.22, 1, .36, 1);
  display: flex; flex-direction: column; gap: 6px;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  padding: 13px 16px; border-radius: 12px;
  color: var(--dim); text-decoration: none; font-size: 1.1rem; font-weight: 500;
  border: 1px solid transparent; transition: all .25s;
}
.mobile-menu a:hover { color: var(--txt); background: rgba(255, 255, 255, .05); border-color: var(--brd); }

/* ============================================================
   通用布局
   ============================================================ */

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.section { position: relative; padding: 110px 0; }

/* 每节装饰光斑 */
.section::before, .section::after {
  content: ''; position: absolute; pointer-events: none; z-index: -1;
}
.section::before { top: 0; left: 0; width: 60%; height: 420px;
  background: radial-gradient(560px 400px at 30% 12%, rgba(34, 211, 238, .06), transparent 70%); }
.section::after { bottom: 0; right: 0; width: 60%; height: 420px;
  background: radial-gradient(560px 400px at 70% 90%, rgba(232, 121, 249, .055), transparent 70%); }

/* 区块标题 */
.sec-head { margin-bottom: 56px; }
.sec-num {
  font-family: var(--font-tech); font-weight: 800; font-size: .95rem; letter-spacing: .3em;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sec-title {
  font-size: clamp(1.9rem, 4.4vw, 2.7rem); font-weight: 900;
  letter-spacing: .04em; margin: 10px 0 6px;
  position: relative; display: inline-block;
}
.sec-title::after {
  content: ''; position: absolute; left: 0; bottom: -8px;
  width: 74px; height: 5px; border-radius: 4px;
  background: var(--grad);
  box-shadow: 0 0 16px rgba(129, 140, 248, .7);
}
.sec-sub { color: var(--dim); font-size: .98rem; margin-top: 16px; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative;
  padding: 120px 20px 90px;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; }

.hero-hello {
  color: var(--dim); font-size: 1.2rem; letter-spacing: .1em;
  opacity: 0; animation: rise .8s .15s both;
}

.hero-name {
  font-family: var(--font-tech); font-weight: 900;
  font-size: clamp(3.4rem, 14vw, 9.5rem);
  line-height: 1.12; letter-spacing: .05em;
  background: linear-gradient(100deg, #67e8f9, #a5b4fc, #f0abfc, #fbbf24, #67e8f9);
  background-size: 240% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 38px rgba(129, 140, 248, .32));
  animation: rise .9s .3s both, shimmer 8s 1.2s linear infinite;
  position: relative;
  user-select: none;
}

/* 故障风文字 */
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; inset: 0;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background: inherit; background-size: 240% 100%;
  opacity: 0; pointer-events: none;
}
.glitch:hover::before {
  opacity: .9; color: var(--c1);
  animation: glitchShift .7s steps(2, jump-none) infinite;
  transform: translate(-3px, -2px);
}
.glitch:hover::after {
  opacity: .9; color: var(--c3);
  animation: glitchShift .5s steps(3, jump-none) infinite reverse;
  transform: translate(3px, 1px);
}

.hero-role {
  font-family: var(--font-fun);
  font-size: clamp(1.05rem, 2.8vw, 1.5rem);
  color: var(--txt); min-height: 2.2em;
  margin-top: 18px;
  opacity: 0; animation: rise .8s .55s both;
}
.caret {
  display: inline-block; width: 3px; height: 1.1em; margin-left: 4px;
  background: var(--c2); vertical-align: -0.15em;
  animation: blink 1s steps(1) infinite;
}

.hero-actions {
  margin-top: 36px;
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  opacity: 0; animation: rise .8s .75s both;
}

.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: var(--faint); font-family: var(--font-tech); font-size: .75rem; letter-spacing: .35em;
  animation: bounce 2.2s ease-in-out infinite;
  z-index: 2;
}

/* 浮动标签 */
.chip {
  position: absolute; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 17px; border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--brd);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--dim); font-size: .88rem;
  animation: float 6s ease-in-out infinite;
  transition: color .3s, border-color .3s;
}
.chip svg { width: 14px; height: 14px; flex-shrink: 0; opacity: .9; }
.chip:hover { color: var(--txt); border-color: var(--c1); }

/* 轨道环 */
.orbit {
  position: absolute; left: 50%; top: 50%;
  border: 1px dashed rgba(129, 140, 248, .22);
  border-radius: 50%; pointer-events: none; z-index: 1;
}
.orbit-1 { width: min(500px, 78vw); height: min(500px, 78vw); animation: spin 44s linear infinite; }
.orbit-2 {
  width: min(680px, 92vw); height: min(680px, 92vw);
  border-color: rgba(34, 211, 238, .15);
  animation: spin 66s linear infinite reverse;
}

/* ============================================================
   按钮
   ============================================================ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-width: 190px;
  padding: 13px 28px; border-radius: 999px;
  font-weight: 700; font-size: 1rem; text-decoration: none;
  border: 1px solid transparent;
  transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
}
.btn-primary {
  background: var(--grad); color: #0b0b1a;
  box-shadow: 0 10px 32px -8px rgba(129, 140, 248, .55);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -8px rgba(232, 121, 249, .55); }
.btn-ghost {
  background: rgba(255, 255, 255, .03);
  border-color: var(--brd); color: var(--txt);
}
.btn-ghost:hover { border-color: var(--c1); color: var(--c1); transform: translateY(-3px); }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ============================================================
   跑马灯
   ============================================================ */

.marquee {
  overflow: hidden; position: relative;
  padding: 13px 0;
  border-top: 1px solid var(--brd);
  border-bottom: 1px solid var(--brd);
  background: rgba(255, 255, 255, .018);
}
.mq-track {
  display: flex; width: max-content;
  animation: mq 175s linear infinite;
  animation-play-state: paused; /* 等字体就绪后再滚动，避免回流导致跳变 */
  will-change: transform;
}
.marquee.ready .mq-track { animation-play-state: running; }
.mq-track.rev { animation-direction: reverse; animation-duration: 210s; }
.marquee:hover .mq-track { animation-play-state: paused; }
.mq-group {
  display: flex; align-items: center;
  padding-right: 44px;
  white-space: nowrap;
  font-family: var(--font-fun); font-size: 1.05rem; color: var(--dim);
}

/* ============================================================
   01 关于我
   ============================================================ */

.about-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px;
  align-items: start;
}
.about-text p { color: var(--dim); font-size: 1.05rem; margin-bottom: 18px; }
.about-text p b { color: var(--txt); font-weight: 700; }
.about-text p:first-child::first-letter {
  float: left; font-size: 3.2em; line-height: .9; padding-right: 8px;
  font-family: var(--font-tech); font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* 终端卡片 */
.about-terminal {
  background: rgba(4, 8, 18, .75);
  border: 1px solid var(--brd);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px -24px rgba(34, 211, 238, .18);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.term-head {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  background: rgba(255, 255, 255, .05);
  border-bottom: 1px solid var(--brd);
}
.term-head span { width: 11px; height: 11px; border-radius: 50%; }
.term-head span:nth-child(1) { background: #ff5f57; }
.term-head span:nth-child(2) { background: #febc2e; }
.term-head span:nth-child(3) { background: #28c840; }
.term-head em {
  margin-left: 8px; font-style: normal; font-size: .78rem; color: var(--faint);
  font-family: var(--font-tech);
}
.term-body {
  padding: 16px 18px 20px;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: .86rem; min-height: 190px; word-break: break-all;
}
.t-prompt { color: var(--c1); }
.t-echo { color: #c4b5fd; }
.t-out { color: var(--dim); }
.term-caret { display: inline-block; width: 8px; height: 1.05em; background: var(--c2); vertical-align: -0.15em; animation: blink 1s steps(1) infinite; }

/* 数据统计 */
.about-stats {
  margin-top: 44px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.stat-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 18px;
  padding: 24px 20px;
  text-align: center;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.stat-card:hover {
  border-color: rgba(129, 140, 248, .45);
  transform: translateY(-4px);
  box-shadow: 0 18px 44px -20px rgba(129, 140, 248, .45);
}
.stat-card b {
  display: block;
  font-family: var(--font-tech); font-weight: 900;
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-card p { font-weight: 700; margin-top: 6px; }
.stat-card small { color: var(--faint); font-size: .8rem; }

/* ============================================================
   02 经历 Timeline
   ============================================================ */

.timeline { position: relative; max-width: 940px; margin: 0 auto; padding: 20px 0 10px; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; transform: translateX(-50%);
  background: rgba(255, 255, 255, .08);
}
.tl-progress {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; transform: translateX(-50%);
  overflow: hidden;
}
.tl-progress i {
  display: block; width: 100%; height: 100%;
  background: var(--grad);
  transform: scaleY(0); transform-origin: top;
  box-shadow: 0 0 14px rgba(129, 140, 248, .7);
}

.tl-item { position: relative; width: 50%; padding: 0 48px 52px 0; }
.tl-item:nth-child(even) { margin-left: 50%; padding: 0 0 52px 48px; }
.tl-item:last-child { padding-bottom: 6px; }
.tl-item:nth-child(even):last-child { padding-bottom: 6px; }

.tl-dot {
  position: absolute; right: -9px; top: 8px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #0b0b1a;
  border: 3px solid var(--c1);
  box-shadow: 0 0 16px rgba(34, 211, 238, .8);
  animation: dotPulse 2.4s ease-in-out infinite;
}
.tl-item:nth-child(even) .tl-dot { right: auto; left: -9px; border-color: var(--c3); box-shadow: 0 0 16px rgba(232, 121, 249, .8); }

.tl-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 18px;
  padding: 20px 22px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.tl-card:hover {
  border-color: rgba(129, 140, 248, .45);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -22px rgba(129, 140, 248, .5);
}
.tl-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.tl-year {
  font-family: var(--font-tech); font-weight: 800; font-size: 1.05rem;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tl-tag {
  font-size: .74rem; padding: 2px 11px; border-radius: 999px;
  background: rgba(129, 140, 248, .14);
  border: 1px solid rgba(129, 140, 248, .3);
  color: #c4b5fd;
}
.tl-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 6px; }
.tl-card p { color: var(--dim); font-size: .93rem; }

/* ============================================================
   03 自媒体
   ============================================================ */

.media-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.media-card {
  --accent: var(--c1);
  position: relative;
  display: flex; flex-direction: row; align-items: stretch; gap: 16px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 20px;
  padding: 24px 24px 20px;
  text-decoration: none; overflow: hidden;
  transition: transform .3s ease, opacity .7s var(--d, 0s), border-color .3s, box-shadow .3s;
}
.mc-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.mc-qr {
  flex-shrink: 0; width: clamp(110px, 9vw, 150px);
  display: flex; align-items: center; justify-content: center;
}
.mc-qr img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: 12px; border: 1px solid var(--brd);
  background: #fff;
}
.media-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(300px at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .07), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.media-card:hover::after { opacity: 1; }
.media-card:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 22px 56px -24px color-mix(in srgb, var(--accent) 55%, transparent); }
.media-card .mc-top { display: flex; align-items: center; gap: 12px; }
.mc-icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-tech); font-weight: 800; font-size: 1.05rem; letter-spacing: .02em;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
}
.mc-name { font-weight: 900; font-size: 1.12rem; }
.mc-follows {
  margin-left: auto;
  font-family: var(--font-tech); font-weight: 800; font-size: 1.05rem;
  color: var(--accent);
}
.mc-desc { color: var(--dim); font-size: .93rem; flex: 1; }
.mc-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.mc-tags span {
  font-size: .76rem; color: var(--dim);
  padding: 2px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--brd);
}
.mc-go {
  position: absolute; right: 18px; bottom: 14px;
  font-size: 1.1rem; color: var(--accent);
  opacity: 0; transform: translateX(-8px);
  transition: opacity .3s, transform .3s;
}
.media-card:hover .mc-go { opacity: 1; transform: translateX(0); }

/* ============================================================
   04 个人作品
   ============================================================ */

.works-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px;
}
.work-card {
  --accent: var(--c1);
  position: relative;
  background: linear-gradient(160deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 20px;
  padding: 26px 24px 22px;
  overflow: hidden;
  transition: transform .3s ease, opacity .7s var(--d, 0s), border-color .3s, box-shadow .3s;
}
.work-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(300px at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .07), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.work-card:hover::after { opacity: 1; }
.work-card:hover { border-color: rgba(129, 140, 248, .45); box-shadow: 0 22px 56px -24px rgba(129, 140, 248, .5); }
.work-card .wc-index {
  position: absolute; top: 10px; right: 18px;
  font-family: var(--font-tech); font-weight: 900; font-size: 3.6rem;
  color: rgba(255, 255, 255, .045); line-height: 1; user-select: none;
}
.wc-cat {
  display: inline-block; font-size: .74rem;
  padding: 3px 12px; border-radius: 999px;
  color: #c4b5fd;
  background: rgba(129, 140, 248, .13);
  border: 1px solid rgba(129, 140, 248, .3);
}
.work-card h3 { font-size: 1.25rem; font-weight: 900; margin: 12px 0 8px; }
.wc-link { color: inherit; text-decoration: none; transition: color .25s; }
.wc-link:hover { color: var(--c1); }
.work-card p { color: var(--dim); font-size: .93rem; min-height: 3.2em; }
.wc-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.wc-tags span {
  font-size: .76rem; padding: 2px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--brd);
  color: var(--dim);
}
.wc-foot {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px dashed var(--brd);
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; color: var(--faint);
}
.wc-star { color: var(--gold); font-weight: 700; }

/* ============================================================
   05 工作项目产出
   ============================================================ */

.proj-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(430px, 1fr)); gap: 22px;
}
.proj-card {
  position: relative;
  background: linear-gradient(160deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 22px;
  padding: 28px 26px 24px;
  overflow: hidden;
  transition: transform .3s ease, opacity .7s var(--d, 0s), border-color .3s, box-shadow .3s;
}
.proj-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(340px at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .07), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.proj-card:hover::after { opacity: 1; }
.proj-card:hover { border-color: rgba(232, 121, 249, .45); box-shadow: 0 24px 60px -26px rgba(232, 121, 249, .5); }

.pc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.pc-head h3 { font-size: 1.28rem; font-weight: 900; }
.pc-role {
  font-size: .76rem; padding: 3px 12px; border-radius: 999px; white-space: nowrap;
  color: #a5f3fc;
  background: rgba(34, 211, 238, .12);
  border: 1px solid rgba(34, 211, 238, .35);
}
.proj-card > p { color: var(--dim); font-size: .94rem; margin: 12px 0 18px; }

.pc-metrics { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.pc-metrics span {
  font-size: .83rem; padding: 6px 13px; border-radius: 12px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--brd);
  color: var(--dim);
}
.pc-metrics b {
  font-family: var(--font-tech); font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.pc-bar-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: .8rem; color: var(--faint); margin-bottom: 7px;
}
.pc-bar {
  height: 9px; border-radius: 6px;
  background: rgba(255, 255, 255, .07);
  overflow: hidden;
}
.pc-bar i {
  display: block; height: 100%; width: var(--w, 0);
  border-radius: 6px;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(129, 140, 248, .55);
  transition: width 1.3s cubic-bezier(.22, 1, .36, 1) .25s;
}
.pc-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.pc-tags span {
  font-size: .76rem; padding: 2px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--brd);
  color: var(--dim);
}

/* ============================================================
   06 思考（轮播）
   ============================================================ */

.thoughts { max-width: 860px; margin: 0 auto; }
.ts-viewport { position: relative; min-height: 250px; }
.ts-slide {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  opacity: 0; transform: translateY(26px);
  transition: opacity .6s ease, transform .6s ease;
  pointer-events: none;
}
.ts-slide.active { opacity: 1; transform: translateY(0); pointer-events: auto; }
.ts-slide blockquote {
  font-family: var(--font-fun);
  font-size: clamp(1.25rem, 3.2vw, 1.8rem);
  line-height: 1.7;
  color: var(--txt);
  position: relative; padding: 0 10px;
}
.ts-slide blockquote::before {
  content: '“'; position: absolute; left: -6px; top: -26px;
  font-size: 4rem; line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: .5;
}
.ts-slide figcaption {
  margin-top: 18px; color: var(--faint); font-size: .85rem;
  font-family: var(--font-tech); letter-spacing: .08em;
}
.ts-slide figcaption::before { content: '— '; color: var(--c2); }

.ts-nav { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 30px; }
.ts-btn {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--brd); background: rgba(255, 255, 255, .04);
  color: var(--txt); font-size: 1.3rem; line-height: 1;
  transition: border-color .25s, color .25s, transform .25s;
}
.ts-btn:hover { border-color: var(--c1); color: var(--c1); transform: scale(1.1); }
.ts-dots { display: flex; gap: 9px; }
.ts-dot {
  width: 9px; height: 9px; border-radius: 50%;
  border: none; background: rgba(255, 255, 255, .18);
  padding: 0; transition: background .3s, transform .3s;
}
.ts-dot:hover { transform: scale(1.3); }
.ts-dot.active {
  background: var(--grad);
  transform: scale(1.35);
  box-shadow: 0 0 12px rgba(129, 140, 248, .8);
}

/* ============================================================
   07 人生信条与期待
   ============================================================ */

.creed { text-align: center; }
.creed-quote {
  font-family: var(--font-fun);
  font-size: clamp(1rem, 3vw, 2.2rem);
  font-weight: 400; line-height: 1.55;
  background: linear-gradient(110deg, #67e8f9, #a5b4fc, #f0abfc, #fbbf24, #67e8f9);
  background-size: 240% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 8s linear infinite;
  max-width: 900px; margin: 0 auto;
}

.creed-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px;
  margin-top: 70px; text-align: left;
}
.creed-col {
  background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 22px;
  padding: 30px 28px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.creed-col:hover {
  border-color: rgba(129, 140, 248, .45);
  transform: translateY(-4px);
  box-shadow: 0 22px 56px -24px rgba(129, 140, 248, .5);
}
.creed-col-title {
  font-size: 1.1rem; font-weight: 900; margin-bottom: 18px;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-block;
}
.creed-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.creed-list li {
  display: flex; align-items: flex-start; gap: 12px;
  color: var(--dim); font-size: .98rem;
}
.creed-list li .cl-icon {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-tech); font-weight: 800; font-size: .8rem;
  color: #c4b5fd;
  background: rgba(129, 140, 248, .12);
  border: 1px solid rgba(129, 140, 248, .3);
}
.creed-list li b { display: block; color: var(--txt); font-size: 1rem; }
.creed-list li small { display: block; color: var(--faint); line-height: 1.7; }

/* ============================================================
   08 联系我
   ============================================================ */

.contact-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; align-items: stretch;
}
.contact-info {
  background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  border: 1px solid var(--brd);
  border-radius: 22px;
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 16px;
}
.ci-row {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--brd);
  border-radius: 16px;
  padding: 15px 18px;
  transition: border-color .3s;
}
.ci-row:hover { border-color: rgba(129, 140, 248, .45); }
.ci-icon {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #a5b4fc;
  background: rgba(129, 140, 248, .12);
  border: 1px solid rgba(129, 140, 248, .3);
}
.ci-icon svg { width: 19px; height: 19px; }
.ci-main { min-width: 0; flex: 1; }
.ci-main small { display: block; color: var(--faint); font-size: .78rem; }
.ci-main b {
  font-size: 1rem; word-break: break-all;
  font-family: var(--font-tech); font-weight: 600; letter-spacing: .03em;
}
.ci-copy {
  flex-shrink: 0; padding: 8px 15px; border-radius: 999px;
  border: 1px solid var(--brd); background: rgba(255, 255, 255, .04);
  color: var(--dim); font-size: .8rem;
  transition: all .25s;
}
.ci-copy:hover { border-color: var(--c1); color: var(--c1); }
.ci-copy.done { border-color: #34d399; color: #34d399; }

.ci-socials { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.ci-socials a {
  padding: 9px 18px; border-radius: 999px; text-decoration: none;
  font-size: .88rem; color: var(--dim);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--brd);
  transition: all .25s;
}
.ci-socials a:hover { color: #0b0b1a; background: var(--grad); border-color: transparent; transform: translateY(-2px); }

.contact-cta {
  position: relative;
  border-radius: 22px; padding: 40px 34px;
  display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 14px;
  background: linear-gradient(150deg, rgba(34, 211, 238, .1), rgba(129, 140, 248, .1), rgba(232, 121, 249, .1));
  border: 1px solid rgba(129, 140, 248, .35);
  overflow: hidden;
}
.contact-cta::before {
  content: ''; position: absolute; inset: -60%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(129, 140, 248, .18) 90deg, transparent 180deg, rgba(34, 211, 238, .14) 270deg, transparent 360deg);
  animation: spin 9s linear infinite;
}
.contact-cta > * { position: relative; z-index: 1; }
.contact-cta h3 { font-size: 1.7rem; font-weight: 900; }
.contact-cta p { color: var(--dim); font-size: .95rem; max-width: 380px; }
.contact-cta .btn { margin-top: 10px; }
.cta-note { font-size: .8rem; color: var(--faint); }

/* ============================================================
   页脚 / 回到顶部 / Toast
   ============================================================ */

.footer {
  border-top: 1px solid var(--brd);
  padding: 36px 0 44px;
  text-align: center;
  background: rgba(6, 6, 14, .6);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.footer p { color: var(--faint); font-size: .86rem; }
.footer .hint {
  display: inline-block; margin-top: 6px;
  color: var(--dim); font-family: var(--font-tech); font-size: .74rem;
  letter-spacing: .06em;
  opacity: .8; transition: opacity .3s;
}
.footer .hint:hover { opacity: 1; color: var(--c3); }

.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 110;
  width: 48px; height: 48px; border-radius: 50%;
  border: none; background: rgba(10, 10, 24, .85);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--dim);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .35s, transform .35s, visibility .35s, color .25s;
  display: flex; align-items: center; justify-content: center;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--txt); }
.to-top svg { position: absolute; inset: 0; }
.ring-bg { stroke: rgba(255, 255, 255, .12); }
.ring {
  stroke: var(--c1);
  stroke-dasharray: 113.1; stroke-dashoffset: 113.1;
  transform: rotate(-90deg); transform-origin: center;
  filter: drop-shadow(0 0 6px rgba(34, 211, 238, .8));
}

#toast {
  position: fixed; left: 50%; bottom: 34px; z-index: 210;
  transform: translateX(-50%) translateY(24px);
  padding: 11px 24px; border-radius: 999px;
  background: rgba(10, 10, 24, .92);
  border: 1px solid rgba(129, 140, 248, .5);
  color: var(--txt); font-size: .9rem;
  box-shadow: 0 14px 40px -12px rgba(129, 140, 248, .5);
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s;
  white-space: nowrap; max-width: 90vw; overflow: hidden; text-overflow: ellipsis;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   滚动显现
   ============================================================ */

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s var(--d, 0s), transform .7s cubic-bezier(.22, 1, .36, 1) var(--d, 0s),
              border-color .3s, box-shadow .3s;
}
.reveal.in { opacity: 1; transform: translateY(0); }
.tilt { transition: transform .3s cubic-bezier(.22, 1, .36, 1), opacity .7s var(--d, 0s), border-color .3s, box-shadow .3s; }

/* ============================================================
   渐进式展开（先见骨架，点击再给细节）
   ============================================================ */

.card-detail {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .5s cubic-bezier(.22, 1, .36, 1), opacity .35s ease;
}
.card-detail > :first-child { padding-top: 12px; }
.expandable.expanded .card-detail { max-height: 420px; opacity: 1; }
.card-expand {
  margin-top: 14px; padding: 6px 15px; border-radius: 999px;
  min-width: 96px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--brd); background: rgba(255, 255, 255, .04);
  color: var(--dim); font-size: .8rem; cursor: pointer; align-self: flex-start;
  transition: border-color .25s, color .25s, background .25s;
}
.card-expand:hover { border-color: var(--c1); color: var(--c1); background: rgba(34, 211, 238, .07); }
.tl-card { cursor: pointer; }
.tl-chevron {
  margin-left: auto; color: var(--faint); font-size: .72rem;
  transition: transform .35s, color .3s;
}
.tl-card.expanded .tl-chevron { transform: rotate(180deg); color: var(--c1); }

/* 社会团体与荣誉：三列并排 */
.honor-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}

/* 学习证书画廊 */
.cert-block { margin-top: 48px; }
.cert-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px; margin-top: 16px;
}
.cert-card {
  position: relative;
  display: block; border-radius: 12px; overflow: hidden; text-decoration: none;
  border: 1px solid var(--brd); background: rgba(255, 255, 255, .03);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--c1);
  box-shadow: 0 14px 34px -16px rgba(34, 211, 238, .5);
}
.cert-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.cert-tag {
  position: absolute; top: 8px; left: 8px;
  padding: 2px 9px; border-radius: 999px;
  background: linear-gradient(100deg, #22d3ee, #818cf8);
  color: #0b0b1a; font-size: .68rem; font-weight: 700; letter-spacing: .05em;
}
.cert-tag.env { background: linear-gradient(100deg, #34d399, #22d3ee); }
.cert-issuer {
  position: absolute; right: 8px; bottom: 8px;
  padding: 2px 9px; border-radius: 999px;
  background: rgba(4, 8, 18, .82);
  border: 1px solid rgba(255, 255, 255, .14);
  color: rgba(236, 238, 248, .88); font-size: .66rem; letter-spacing: .03em;
}

/* ===== 证书查看器（页内弹层） ===== */
#cert-viewer {
  position: fixed; inset: 0; z-index: 250;
  display: none; align-items: center; justify-content: center;
  background: rgba(3, 3, 10, .88);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 40px 84px;
}
#cert-viewer.open { display: flex; }
.cv-panel {
  max-width: 880px; width: 100%;
  max-height: 92vh; overflow-y: auto;
  border-radius: 20px;
  border: 1px solid var(--brd);
  background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  padding: 28px;
}
.cv-panel img {
  width: 100%; border-radius: 12px;
  border: 1px solid var(--brd); display: block;
}
.cv-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 18px 0 14px;
}
.cv-head h3 { font-size: clamp(1.1rem, 2.6vw, 1.5rem); font-weight: 900; }
.cert-field-chip {
  padding: 3px 12px; border-radius: 999px;
  background: linear-gradient(100deg, #22d3ee, #818cf8);
  color: #0b0b1a; font-size: .74rem; font-weight: 700; letter-spacing: .05em;
}
.cert-field-chip.env { background: linear-gradient(100deg, #34d399, #22d3ee); }
.cv-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.cv-meta-item {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--brd); border-radius: 14px;
  padding: 14px 18px;
}
.cv-meta-item small {
  display: block; color: var(--faint);
  font-size: .76rem; letter-spacing: .1em; margin-bottom: 4px;
}
.cv-meta-item b { font-size: .98rem; word-break: break-all; }
.cv-close, .cv-nav {
  position: fixed; z-index: 251;
  border: 1px solid var(--brd); background: rgba(10, 10, 24, .85);
  color: var(--dim); line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .25s, color .25s, transform .25s;
}
.cv-close { top: 18px; right: 22px; width: 42px; height: 42px; border-radius: 50%; font-size: 1.3rem; }
.cv-nav { top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; font-size: 1.4rem; }
.cv-nav:hover { transform: translateY(-50%) scale(1.08); }
.cv-close:hover, .cv-nav:hover { border-color: var(--c1); color: var(--txt); }
#cv-prev { left: 22px; }
#cv-next { right: 22px; }
body.lock-scroll { overflow: hidden; }

/* 外部活动占位 */
.ext-activity {
  margin-top: 26px;
  border: 1px dashed rgba(255, 255, 255, .18);
  border-radius: 18px; padding: 26px 24px;
  background: rgba(255, 255, 255, .02);
}
.ext-note { color: var(--faint); font-size: .9rem; margin-top: 10px; letter-spacing: .08em; }

/* ============================================================
   动画关键帧
   ============================================================ */

@keyframes shimmer { to { background-position: -240% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-13px); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}
@keyframes mq { to { transform: translateX(-50%); } }
@keyframes dotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.4); }
}
@keyframes glitchShift {
  0% { clip-path: inset(12% 0 62% 0); }
  25% { clip-path: inset(55% 0 22% 0); }
  50% { clip-path: inset(30% 0 48% 0); }
  75% { clip-path: inset(70% 0 8% 0); }
  100% { clip-path: inset(8% 0 75% 0); }
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .chip { display: none; }
  .orbit-1, .orbit-2 { display: none; }
  .timeline::before { left: 10px; transform: none; }
  .tl-progress { left: 9px; transform: none; }
  .tl-item, .tl-item:nth-child(even) {
    width: 100%; margin-left: 0;
    padding: 0 0 42px 44px;
  }
  .tl-dot, .tl-item:nth-child(even) .tl-dot { left: 3px; right: auto; }
}

@media (max-width: 760px) {
  .section { padding: 80px 0; }
  .nav-links { display: none; }
  .menu-btn { display: flex; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .media-grid { grid-template-columns: 1fr; }
  .creed-grid, .contact-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr; }
  .ts-viewport { min-height: 300px; }
  .hero-name { font-size: clamp(3rem, 18vw, 5.2rem); }
  .to-top { right: 16px; bottom: 16px; }
  #cert-viewer { padding: 30px 14px; }
  .cv-close { top: 14px; right: 14px; width: 38px; height: 38px; }
  .cv-nav { width: 38px; height: 38px; }
  #cv-prev { left: 10px; }
  #cv-next { right: 10px; }
  .cv-meta { grid-template-columns: 1fr; }
}

@media (max-height: 800px) {
  .orbit-1, .orbit-2 { display: none; }
}

/* ============================================================
   无障碍：减少动效
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}