/* ============================================================
   简历官网 — 暗色技术质感 × 杂志编辑风
   苟涛 · 软件测试工程师
   ============================================================ */

/* ---------- 设计 Token ---------- */
:root {
  /* 色彩 */
  --bg: #0e0d0b;
  --bg-soft: #16140f;
  --surface: #1d1a14;
  --text: #f5f0e8;
  --text-dim: #a39b8c;
  --text-mute: #6b6357;
  --accent: #e8a04a;
  --accent-soft: #c97f2e;
  --ok: #7fb87a;
  --line: rgba(245, 240, 232, 0.08);
  --line-strong: rgba(245, 240, 232, 0.16);

  /* 缓动 */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* 字体 */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* 节奏 */
  --section-gap: clamp(6rem, 14vh, 12rem);
  --nav-h: 76px;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: clamp(1rem, 1.15vw, 1.0625rem);
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: none;
}
@media (hover: none) { body { cursor: auto; } }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: none; }
code { font-family: var(--font-mono); font-size: 0.9em; color: var(--accent); background: rgba(232,160,74,0.08); padding: 0.1em 0.4em; border-radius: 3px; }
::selection { background: var(--accent); color: var(--bg); }

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  z-index: 1000; transition: width 80ms linear;
}

/* ---------- 自定义光标光晕 ---------- */
.cursor-glow {
  position: fixed; top: 0; left: 0;
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid rgba(232, 160, 74, 0.5);
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 280ms var(--ease-out-quart), height 280ms var(--ease-out-quart),
              border-color 280ms var(--ease-out-quart), background 280ms var(--ease-out-quart);
  mix-blend-mode: difference;
}
.cursor-glow.is-hover {
  width: 56px; height: 56px;
  border-color: var(--accent);
  background: rgba(232, 160, 74, 0.08);
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3rem); z-index: 100;
  transition: background 400ms var(--ease-out-quart), backdrop-filter 400ms;
}
.nav.is-scrolled {
  background: rgba(14, 13, 11, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav__brand { font-family: var(--font-display); font-weight: 900; font-size: 1.25rem; letter-spacing: 0.04em; font-style: italic; }
.nav__mark::after { content: "."; color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.25rem); }
.nav__link {
  font-size: 0.875rem; color: var(--text-dim);
  display: flex; align-items: baseline; gap: 0.4em;
  transition: color 240ms var(--ease-out-quart); position: relative;
}
.nav__link span { font-size: 0.7rem; color: var(--text-mute); font-variant-numeric: tabular-nums; }
.nav__link:hover, .nav__link.is-active { color: var(--text); }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--accent);
  transition: width 300ms var(--ease-out-expo);
}
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }
.nav__link--cta { color: var(--text); border: 1px solid var(--line-strong); padding: 0.55em 1.2em; border-radius: 999px; }
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.nav__toggle { display: none; }

/* ---------- 通用 Section ---------- */
.section { padding: var(--section-gap) clamp(1.25rem, 4vw, 3rem); max-width: 1280px; margin: 0 auto; }
.section__head { display: flex; align-items: center; gap: 1.25rem; margin-bottom: clamp(2.5rem, 6vh, 4rem); flex-wrap: wrap; }
.section__num { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: 1.1rem; color: var(--accent); }
.section__line { flex: 0 1 64px; height: 1px; background: var(--line-strong); }
.section__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; line-height: 1; }
.section__hint { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute); letter-spacing: 0.1em; margin-left: auto; }

/* ---------- Reveal 入场 ---------- */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
  transition-delay: var(--d, 0ms);
}
.reveal.in-view { opacity: 1; transform: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--nav-h) clamp(1.25rem, 4vw, 3rem) 4rem; overflow: hidden;
}
.hero__grain {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 75% 30%, rgba(232,160,74,0.10), transparent 70%),
    radial-gradient(50% 60% at 15% 80%, rgba(201,127,46,0.06), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; max-width: 1280px; width: 100%; margin: 0 auto; }
.hero__eyebrow {
  font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-dim); display: flex; align-items: center; gap: 0.7em;
  margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
}
.hero__eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(232,160,74,0.6);
  animation: pulse 2.4s var(--ease-out-quart) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(232,160,74,0.55); }
  70% { box-shadow: 0 0 0 12px rgba(232,160,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,160,74,0); }
}
.hero__title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(3.5rem, 11vw, 10rem); line-height: 0.92;
  letter-spacing: -0.04em; margin-bottom: clamp(1.5rem, 4vh, 2.5rem);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line--italic { font-style: italic; font-weight: 300; font-size: 0.42em; color: var(--text-dim); letter-spacing: 0.02em; margin-top: 0.2em; }
.hero__title .char { display: inline-block; transform: translateY(110%); opacity: 0; animation: charUp 900ms var(--ease-out-expo) forwards; }
.hero__title .char:nth-child(1) { animation-delay: 200ms; }
.hero__title .char:nth-child(2) { animation-delay: 320ms; }
.hero__title .line--italic { opacity: 0; transform: translateY(40px); animation: fadeUp 900ms var(--ease-out-expo) 440ms forwards; }
@keyframes charUp { to { transform: translateY(0); opacity: 1; } }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
.hero__sub { margin-bottom: clamp(1.5rem, 4vh, 2rem); }
.hero__role { font-family: var(--font-display); font-size: clamp(1.25rem, 2.4vw, 1.75rem); font-weight: 500; margin-bottom: 0.3em; }
.hero__tagline { color: var(--text-dim); font-size: clamp(1rem, 1.4vw, 1.15rem); }
.hero__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; font-size: 0.85rem; color: var(--text-mute); letter-spacing: 0.04em; }
.hero__meta .sep { color: var(--line-strong); }
.hero__status { color: var(--accent); display: inline-flex; align-items: center; gap: 0.4em; }
.hero__status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* Hero CTA 按钮组 */
.hero__cta {
  display: flex; gap: 0.9rem; flex-wrap: wrap;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.04em; white-space: nowrap;
  border: 1px solid transparent; border-radius: 2px;
  cursor: pointer !important;
  transition: transform 350ms var(--ease-out-quart), background 250ms, color 250ms, border-color 250ms, box-shadow 350ms;
}
.btn svg { flex-shrink: 0; transition: transform 350ms var(--ease-out-quart); }
.btn--primary {
  background: var(--accent); color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(232, 160, 74, 0.28);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(232, 160, 74, 0.42);
  background: #f0b062;
}
.btn--primary:hover svg { transform: translateY(2px); }
.btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--accent); color: var(--accent);
}
.btn--ghost:hover svg { transform: scale(1.1); }

.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  color: var(--text-mute); font-size: 0.7rem; letter-spacing: 0.25em; z-index: 3;
}
.hero__scroll-line { width: 1px; height: 48px; background: linear-gradient(var(--accent), transparent); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--text); animation: scrollLine 2s var(--ease-in-out) infinite; }
@keyframes scrollLine { 0% { top: -50%; } 100% { top: 100%; } }

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about__lead { font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 400; line-height: 1.35; letter-spacing: -0.01em; margin-bottom: 1.5rem; }
.about__lead em { font-style: italic; color: var(--accent); }
.about__intro p:last-child { color: var(--text-dim); }
.about__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat { background: var(--bg); padding: clamp(1.25rem, 3vw, 2rem); display: flex; flex-direction: column; gap: 0.35rem; position: relative; overflow: hidden; }
.stat::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 600ms var(--ease-out-expo); }
.stat.in-view::before { transform: scaleX(1); }
.stat:nth-child(2).in-view::before { transition-delay: 120ms; }
.stat:nth-child(3).in-view::before { transition-delay: 240ms; }
.stat:nth-child(4).in-view::before { transition-delay: 360ms; }
.stat__num { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.5rem, 5vw, 3.5rem); line-height: 1; font-variant-numeric: tabular-nums; }
.stat__suffix { font-size: 1rem; color: var(--accent); font-weight: 500; margin-top: -0.3em; }
.stat__label { font-size: 0.8rem; color: var(--text-mute); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.5rem; }

/* 教育经历 */
.about__edu { margin-top: clamp(3rem, 7vh, 5rem); padding-top: clamp(2rem, 5vh, 3rem); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: center; }
.edu__item { flex: 1 1 320px; }
.edu__head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.edu__school { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
.edu__period { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-mute); }
.edu__major { color: var(--text-dim); margin-bottom: 0.3rem; }
.edu__courses { font-size: 0.85rem; color: var(--text-mute); }
.edu__award { display: flex; flex-direction: column; gap: 0.4rem; padding: 1rem 1.25rem; border: 1px solid var(--line); border-left: 2px solid var(--accent); max-width: 360px; }
.edu__award-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); }
.edu__award-text { font-size: 0.92rem; color: var(--text); }

/* ============================================================
   SKILLS
   ============================================================ */
.skills__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 5vw, 4rem) clamp(2rem, 5vw, 4rem); margin-bottom: clamp(3rem, 7vh, 5rem); }
.skill-group__title { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 0.6em; }
.skill-group__title::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.skill-list { display: grid; gap: 1.1rem; }
.skill { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1rem; }
.skill > span { font-size: 0.92rem; }
.skill__bar { width: 140px; height: 3px; background: var(--line-strong); border-radius: 999px; overflow: hidden; }
.skill__bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent-soft), var(--accent)); border-radius: 999px; transition: width 1100ms var(--ease-out-expo); }
.skill-group.in-view .skill__bar i { width: var(--lv); }
.skill-group.in-view .skill:nth-child(2) .skill__bar i { transition-delay: 80ms; }
.skill-group.in-view .skill:nth-child(3) .skill__bar i { transition-delay: 160ms; }
.skill-group.in-view .skill:nth-child(4) .skill__bar i { transition-delay: 240ms; }
.skills__cloud { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; padding-top: clamp(2rem, 5vh, 3rem); border-top: 1px solid var(--line); }
.skills__cloud span { font-size: 0.85rem; color: var(--text-mute); padding: 0.3em 0.8em; border: 1px solid var(--line); border-radius: 999px; transition: all 280ms var(--ease-out-quart); }
.skills__cloud span:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.25rem, 3vw, 2rem); }
.project { position: relative; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--bg-soft); transition: transform 500ms var(--ease-out-quart), border-color 500ms; display: flex; flex-direction: column; }
.project:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.project__visual { position: relative; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--c1), var(--c2)); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.project__visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 60% at 30% 20%, rgba(255,255,255,0.18), transparent 60%), repeating-linear-gradient(45deg, rgba(0,0,0,0.06) 0 12px, transparent 12px 24px); }
.project__index { position: absolute; top: 1rem; left: 1.25rem; font-family: var(--font-display); font-style: italic; font-size: 1rem; color: rgba(255,255,255,0.75); }
.project__glyph { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 3.5vw, 2.25rem); color: rgba(255,255,255,0.96); letter-spacing: 0.02em; transform: translateY(8px); transition: transform 500ms var(--ease-out-expo); }
.project:hover .project__glyph { transform: translateY(0); }
.project__info { padding: clamp(1.25rem, 3vw, 1.75rem); display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.project__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.project__name { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.25rem, 2vw, 1.5rem); }
.project__role { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.05em; white-space: nowrap; }
.project__period { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-mute); }
.project__desc { color: var(--text-dim); font-size: 0.92rem; }
.project__points { display: grid; gap: 0.55rem; margin-top: 0.3rem; }
.project__points li { position: relative; padding-left: 1.3rem; color: var(--text-dim); font-size: 0.9rem; line-height: 1.5; }
.project__points li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }
.project__points b { color: var(--text); font-weight: 600; }
.project__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; padding-top: 0.5rem; }
.project__tags span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); border: 1px solid var(--line-strong); padding: 0.3em 0.7em; border-radius: 3px; transition: all 300ms var(--ease-out-quart); }
.project__tags span:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   INTERNSHIP — 时间线
   ============================================================ */
.timeline { position: relative; padding-left: clamp(1.5rem, 4vw, 2.5rem); }
.timeline__line { position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); transform-origin: top; transform: scaleY(0); transition: transform 1200ms var(--ease-out-expo); }
.timeline.is-active .timeline__line { transform: scaleY(1); }
.tl-item { position: relative; padding-bottom: clamp(2.5rem, 6vh, 4rem); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item__node { position: absolute; left: calc(-1 * clamp(1.5rem, 4vw, 2.5rem)); top: 10px; width: 11px; height: 11px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line-strong); transform: translateX(-2px); transition: all 400ms var(--ease-out-expo); }
.tl-item.in-view .tl-item__node { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px rgba(232,160,74,0.12); }
.tl-item__period { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.05em; color: var(--accent); }
.tl-item__role { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.01em; margin: 0.3em 0 0.15em; }
.tl-item__company { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 1rem; }
.tl-item__body ul { display: grid; gap: 0.6rem; margin-bottom: 1.25rem; }
.tl-item__list li { position: relative; padding-left: 1.5rem; color: var(--text-dim); font-size: 0.95rem; }
.tl-item__list li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.tl-item__list b { color: var(--text); font-weight: 600; }
.tl-item__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tl-item__tags span { font-size: 0.75rem; letter-spacing: 0.05em; color: var(--text-dim); border: 1px solid var(--line-strong); padding: 0.3em 0.8em; border-radius: 999px; transition: all 300ms var(--ease-out-quart); }
.tl-item__tags span:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   WORK LOG — 工作记录（可扩展）
   ============================================================ */
.worklog__intro { color: var(--text-dim); max-width: 640px; margin-bottom: 2rem; }
.worklog__filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.5rem; }
.wl-filter {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.05em;
  color: var(--text-mute); padding: 0.5em 1.1em; border: 1px solid var(--line-strong);
  border-radius: 999px; transition: all 280ms var(--ease-out-quart);
}
.wl-filter:hover { color: var(--text); border-color: var(--text-dim); }
.wl-filter.is-active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.worklog__list { display: grid; gap: 1rem; }
.wl-card {
  border: 1px solid var(--line); background: var(--bg-soft); border-radius: 4px;
  padding: clamp(1.1rem, 2.5vw, 1.5rem); display: grid;
  grid-template-columns: 140px 1fr; gap: 1.5rem;
  transition: border-color 300ms var(--ease-out-quart), transform 300ms var(--ease-out-quart);
  opacity: 0; transform: translateY(16px);
  animation: wlIn 600ms var(--ease-out-expo) forwards;
}
.wl-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
@keyframes wlIn { to { opacity: 1; transform: none; } }
.wl-card__meta { display: flex; flex-direction: column; gap: 0.5rem; }
.wl-card__date { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text); font-variant-numeric: tabular-nums; }
.wl-card__type { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); align-self: flex-start; padding: 0.25em 0.7em; border: 1px solid var(--accent); border-radius: 3px; }
.wl-card__type[data-type="开发"] { color: #7fb7be; border-color: #7fb7be; }
.wl-card__type[data-type="学习"] { color: #b07cc6; border-color: #b07cc6; }
.wl-card__type[data-type="其他"] { color: var(--text-mute); border-color: var(--text-mute); }
.wl-card__body { display: flex; flex-direction: column; gap: 0.5rem; }
.wl-card__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.05rem, 1.8vw, 1.25rem); letter-spacing: -0.01em; }
.wl-card__summary { color: var(--text-dim); font-size: 0.92rem; line-height: 1.55; }
.wl-card__detail { color: var(--text-mute); font-size: 0.85rem; line-height: 1.6; white-space: pre-line; padding-top: 0.5rem; border-top: 1px dashed var(--line); }
.wl-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.3rem; }
.wl-card__tags span { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); padding: 0.2em 0.6em; background: rgba(245,240,232,0.04); border-radius: 3px; }
.worklog__empty { color: var(--text-mute); padding: 2rem; text-align: center; border: 1px dashed var(--line-strong); border-radius: 4px; }
.worklog__count { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-mute); margin-top: 1.5rem; text-align: right; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { text-align: center; padding-top: var(--section-gap); padding-bottom: 0; }
.contact__inner { max-width: 760px; margin: 0 auto; }
.contact__eyebrow { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; }
.contact__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.5rem, 7vw, 5rem); line-height: 1.05; letter-spacing: -0.03em; margin-bottom: clamp(2rem, 5vh, 3rem); }
.contact__title .line { display: block; }
.contact__title .line--italic { font-style: italic; color: var(--text-dim); }
.contact__methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: clamp(2rem, 5vh, 3rem); max-width: 560px; margin-left: auto; margin-right: auto; }
.contact__mail, .contact__phone {
  display: flex; flex-direction: column; gap: 0.3rem; padding: 1.1rem 1.6rem;
  border: 1px solid var(--line-strong); border-radius: 4px; transition: all 300ms var(--ease-out-quart); min-width: 240px;
}
.contact__mail:hover, .contact__phone:hover { border-color: var(--accent); transform: translateY(-3px); }
.contact__method-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }
.contact__method-value { font-family: var(--font-display); font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text); }

/* QQ / 微信 社交卡片 */
.contact__social {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.85rem 1.25rem; border: 1px solid var(--line-strong);
  border-radius: 4px; transition: all 300ms var(--ease-out-quart);
  cursor: none;
}
.contact__social:hover { border-color: var(--accent); transform: translateY(-3px); }
.contact__avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  object-fit: cover; border: 2px solid var(--line-strong);
}
.contact__avatar--wechat {
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: #07C160; border: 2px solid rgba(7,193,96,0.3);
}
.contact__avatar--wechat svg { width: 100%; height: 100%; display: block; }
.contact__avatar--github {
  display: flex; align-items: center; justify-content: center;
  background: #181717; border: 2px solid rgba(255,255,255,0.12);
  color: #fff;
}
.contact__avatar--github svg { display: block; }
.contact__social-info { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.contact__social-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }
.contact__social-value { font-family: var(--font-display); font-size: clamp(0.95rem, 1.6vw, 1.1rem); color: var(--text); letter-spacing: 0.02em; }
.contact__info { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); max-width: 560px; margin: 0 auto; }
.ci { background: var(--bg); padding: 1rem 1.25rem; display: flex; flex-direction: column; gap: 0.25rem; text-align: left; }
.ci__k { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-mute); }
.ci__v { font-size: 0.95rem; color: var(--text); }
.ci__v--accent { color: var(--accent); }

/* 下载简历（Contact 突出按钮） */
.contact__download {
  display: inline-flex; align-items: center; gap: 0.7rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) auto 0;
  padding: 0.95rem 2rem;
  background: var(--accent); color: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer !important;
  transition: transform 350ms var(--ease-out-quart), box-shadow 350ms var(--ease-out-quart), background 250ms;
  box-shadow: 0 8px 30px rgba(232, 160, 74, 0.25);
}
.contact__download svg { flex-shrink: 0; transition: transform 350ms var(--ease-out-quart); }
.contact__download-hint {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.08em; opacity: 0.7;
  border-left: 1px solid rgba(14,13,11,0.25);
  padding-left: 0.7rem; margin-left: 0.2rem;
}
.contact__download:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(232, 160, 74, 0.4);
  background: #f0b062;
}
.contact__download:hover svg { transform: translateY(2px); }

.footer {
  margin-top: clamp(4rem, 10vh, 7rem); padding: 2rem clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line); display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 0.5rem; font-size: 0.78rem; color: var(--text-mute); letter-spacing: 0.04em;
}
.footer__built { font-family: var(--font-display); font-style: italic; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; }
  .skills__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .wl-card { grid-template-columns: 1fr; gap: 0.8rem; }
  .wl-card__meta { flex-direction: row; align-items: center; gap: 1rem; }
  .skill__bar { width: 100px; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; flex-direction: column; gap: 5px; width: 32px; padding: 4px; }
  .nav__toggle span { display: block; height: 1.5px; background: var(--text); transition: transform 300ms var(--ease-out-quart), opacity 300ms; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; position: fixed; inset: var(--nav-h) 0 auto 0;
    background: rgba(14,13,11,0.97); backdrop-filter: blur(20px); padding: 2rem; gap: 1.5rem; align-items: flex-start;
  }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }
  .hero__title .line--italic { font-size: 0.5em; }
  .hero__cta { flex-direction: column; align-items: stretch; gap: 0.6rem; }
  .btn { justify-content: center; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .about__edu { flex-direction: column; align-items: flex-start; }
  .contact__info { grid-template-columns: 1fr; }
  .contact__methods { grid-template-columns: 1fr; }
  .contact__download { width: 100%; justify-content: center; }
  .footer { flex-direction: column; }
  .skill__bar { width: 80px; }
  .music-player { grid-template-columns: 96px 1fr; gap: 0.7rem; padding: 0.9rem 1rem; }
  .music__disc { width: 84px; height: 84px; }
  .music__ring { width: 60px; height: 60px; }
  .m-btn { width: 30px; height: 30px; }
  .m-btn--play { width: 40px; height: 40px; }
  .section__hint { margin-left: 0; width: 100%; }
}

/* ============================================================
   无障碍 — 降级动效
   ============================================================ */
/* ============================================================
   项目卡片扩展
   ============================================================ */
.project--wide { grid-column: span 2; }
.code-mono { font-family: var(--font-mono); font-size: 0.82em; color: var(--accent); font-weight: 500; }

/* 项目截图画廊 */
.project__gallery {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.project__thumbs {
  position: absolute; inset: 0;
  display: flex;
  transition: transform 600ms var(--ease-out-expo);
}
.project__thumbs img {
  flex: 0 0 100%;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.94);
  transition: filter 400ms;
}
.project__thumbs img.is-active { filter: brightness(1); }

.project__stage {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  opacity: 0;
  transition: opacity 400ms var(--ease-out-quart);
  pointer-events: none;
}
.project__stage::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, rgba(0,0,0,0.06) 0 12px, transparent 12px 24px);
}
.project__stage .project__index {
  position: absolute; top: 1rem; left: 1.25rem;
  font-family: var(--font-display); font-style: italic; font-size: 1rem; color: rgba(255,255,255,0.75);
}
.project__stage .project__glyph {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem); color: rgba(255,255,255,0.96);
}
.project__counter {
  position: absolute; bottom: 0.8rem; right: 1rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.4); padding: 0.2em 0.6em; border-radius: 3px; backdrop-filter: blur(4px);
}
.project__counter i { color: var(--accent); font-style: normal; }

/* ============================================================
   实习照片
   ============================================================ */
.tl-item--photo .tl-item__body { gap: 1.25rem; }
.tl-item__photos { display: flex; gap: 0.75rem; margin-top: 0.5rem; flex-wrap: wrap; }
.tl-photo {
  border: 1px solid var(--line); background: var(--bg-soft); overflow: hidden;
  flex: 0 1 200px; max-width: 200px;
  transition: border-color 300ms var(--ease-out-quart), transform 400ms var(--ease-out-quart);
}
.tl-photo:hover { border-color: var(--accent); transform: scale(1.04); z-index: 1; }
.tl-photo img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; display: block; transition: transform 600ms var(--ease-out-expo); }
.tl-photo:hover img { transform: scale(1.06); }
.tl-photo figcaption {
  padding: 0.5em 0.75em; font-size: 0.72rem; color: var(--text-mute);
  font-family: var(--font-mono); letter-spacing: 0.04em;
}

/* 获奖证书 */
.about__award { margin-top: clamp(2.5rem, 6vh, 4rem); }
.award-fig {
  max-width: 520px; margin: 0 auto;
  border: 1px solid var(--line); background: var(--bg-soft); padding: 0.75rem;
  border-radius: 4px; transition: border-color 300ms, transform 400ms var(--ease-out-expo);
  position: relative;
}
.award-fig::before {
  content: "🏆"; position: absolute; top: -14px; left: 16px;
  font-size: 1.5rem; background: var(--bg); padding: 0 6px;
}
.award-fig:hover { border-color: var(--accent); transform: translateY(-3px); }
.award-fig img { width: 100%; height: auto; border-radius: 2px; display: block; }
.award-fig figcaption {
  text-align: center; padding-top: 0.6rem; font-size: 0.78rem; color: var(--text-mute);
  font-family: var(--font-mono); letter-spacing: 0.04em;
}

/* ============================================================
   HOBBY — 个人爱好
   ============================================================ */
.hobby__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.hobby__card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 500ms var(--ease-out-quart), border-color 500ms;
}
.hobby__card:hover { transform: translateY(-5px); border-color: var(--line-strong); }

.hobby__visual {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 10;
}
.hobby__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 800ms var(--ease-out-expo);
}
.hobby__card:hover .hobby__visual img { transform: scale(1.05); }

.hobby__overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(14,13,11,0.35);
  opacity: 0; transition: opacity 300ms var(--ease-out-quart);
}
.hobby__card:hover .hobby__overlay { opacity: 1; }
.hobby__icon { font-size: 2.5rem; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4)); }

.hobby__info { padding: clamp(1rem, 2vw, 1.4rem); }
.hobby__name { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.15rem, 2vw, 1.4rem); margin-bottom: 0.4rem; letter-spacing: -0.01em; }
.hobby__desc { color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }
.hobby__tracks { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem; }
.track-tag {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim);
  padding: 0.25em 0.65em; background: rgba(232,160,74,0.06); border: 1px solid rgba(232,160,74,0.16); border-radius: 3px;
  transition: all 280ms var(--ease-out-quart);
}
.track-tag:hover { border-color: var(--accent); color: var(--accent); }

/* 音乐播放器 — 全新设计 */
.hobby__visual--music {
  aspect-ratio: auto;
  min-height: 0;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(232,160,74,0.06) 0%, transparent 70%),
    linear-gradient(145deg, #0e0d0b 0%, #16140f 45%, #141814 100%);
}
.music-player {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 1.2rem; align-items: center; width: 100%; max-width: 420px;
  padding: 1.4rem 1.6rem; border-radius: 12px;
  background: rgba(22,20,17,0.7);
  backdrop-filter: blur(24px);
  border: 1px solid var(--line);
}

/* 唱片 */
.music__disc {
  width: 120px; height: 120px; border-radius: 50%;
  position: relative; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 50%, #2a2622, #16140f);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.04), 0 8px 32px rgba(0,0,0,0.5);
}
.music__ring {
  position: absolute; width: 88px; height: 88px; border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent);
  opacity: 0.6;
}
.music__center-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); opacity: 0.25;
}

/* 播放时唱片旋转 + 发光 */
.music-player.is-playing .music__ring {
  animation: spinDisc 6s linear infinite;
}
.music-player.is-playing .music__disc {
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.04), 0 8px 32px rgba(0,0,0,0.5),
              0 0 60px rgba(232,160,74,0.15);
}
@keyframes spinDisc { to { transform: rotate(360deg); } }

/* 右侧信息区 */
.music__body { display: flex; flex-direction: column; gap: 0.55rem; min-width: 0; }
.music__info { display: flex; flex-direction: column; gap: 1px; }
.music__title {
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  color: var(--text); letter-spacing: -0.01em; line-height: 1.2;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.music__artist {
  font-size: 0.78rem; color: var(--text-mute); font-family: var(--font-mono); letter-spacing: 0.03em;
}

/* 控制按钮 — 极简风格 */
.music__controls { display: flex; align-items: center; gap: 0.5rem; }
.m-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: none; cursor: pointer !important;
  font-size: 0.9rem; color: var(--text-dim);
  background: none; display: flex; align-items: center; justify-content: center;
  transition: all 250ms var(--ease-out-quart); line-height: 1;
}
.m-btn:hover { color: var(--accent); }
.m-btn--play {
  width: 44px; height: 44px;
  background: var(--accent); color: #0e0d0b !important;
  box-shadow: 0 4px 16px rgba(232,160,74,0.35), 0 0 0 1px rgba(232,160,74,0.3) inset;
}
.m-btn--play:hover { background: var(--accent-soft); box-shadow: 0 6px 20px rgba(232,160,74,0.4), 0 0 0 1px rgba(232,160,74,0.3) inset; }
.m-btn--play i::before { content: "▶"; font-size: 16px; }
.m-btn--play.is-playing i::before { content: "❚❚"; font-size: 13px; letter-spacing: -2px; }

/* 进度条 */
.music__progress { display: flex; align-items: center; gap: 0.65rem; margin-top: 0.15rem; }
.music__bar {
  flex: 1; height: 4px; background: rgba(245,240,232,0.08); border-radius: 99px;
  position: relative; cursor: pointer; overflow: hidden;
}
.music__fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  border-radius: 99px; transition: width 150ms linear;
  position: relative;
}
.music__thumb {
  position: absolute; top: 50%; left: var(--thumb-x, 0%);
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--text); transform: translateY(-50%);
  pointer-events: none; box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  opacity: 0; transition: opacity 200ms;
}
.music__bar:hover .music__thumb { opacity: 1; }
.music__time {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-mute);
  min-width: 36px; text-align: right;
}

/* 曲目列表 */
.music__tracklist {
  margin-top: 0.4rem; display: flex; gap: 0.35rem; flex-wrap: wrap;
}
.music__tracklist::before {
  content: "曲目";
  font-size: 0.65rem; color: var(--text-mute); font-family: var(--font-mono);
  letter-spacing: 0.08em; width: 100%; display: block; margin-bottom: 0.25rem;
}
.track-item {
  font-size: 0.72rem; color: var(--text-dim); padding: 0.18em 0.55em;
  border-radius: 99px; cursor: pointer !important;
  background: rgba(245,240,232,0.03);
  border: 1px solid transparent; transition: all 220ms var(--ease-out-quart);
  white-space: nowrap;
}
.track-item:hover, .track-item.is-active {
  color: var(--accent); background: rgba(232,160,74,0.08);
  border-color: rgba(232,160,74,0.2);
}

@media (max-width: 900px) {
  .hobby__grid { grid-template-columns: 1fr; }
  .project--wide { grid-column: span 1; }
  .tl-photo { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .char { transform: none; opacity: 1; }
  .hero__title .line--italic { opacity: 1; transform: none; }
  .wl-card { opacity: 1; transform: none; }
  .cursor-glow { display: none; }
  body { cursor: auto; }
}

/* ============================================================
   图片灯箱 — 双击查看全图
   ============================================================ */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 7, 6, 0.94);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden;
  transition: opacity 400ms var(--ease-out-quart), visibility 400ms;
}
.lightbox-overlay.is-open { opacity: 1; visibility: visible; }
.lightbox__image {
  max-width: 90vw; max-height: 82vh;
  border-radius: 4px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  transform: scale(0.92);
  transition: transform 500ms var(--ease-out-expo);
  object-fit: contain;
}
.lightbox-overlay.is-open .lightbox__image { transform: scale(1); }
.lightbox__close {
  position: absolute; top: 1.25rem; right: 1.75rem;
  font-size: 2.5rem; color: var(--text-dim); line-height: 1;
  cursor: pointer !important; transition: color 250ms, transform 300ms var(--ease-out-quart);
  z-index: 10002;
}
.lightbox__close:hover { color: var(--accent); transform: rotate(90deg); }
.lightbox__caption {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim);
  letter-spacing: 0.05em; text-align: center; max-width: 80%;
}

/* 可双击查看全图的图片标记 */
.lightbox-img { cursor: zoom-in; }
@media (hover: none) { .lightbox-img { cursor: auto; } }

/* ============================================================
   复制提示 Toast
   ============================================================ */
.copy-toast {
  position: fixed; bottom: 2rem; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface); color: var(--text);
  padding: 0.7rem 1.4rem; border-radius: 4px;
  border: 1px solid var(--accent); font-size: 0.85rem;
  z-index: 10001; opacity: 0; pointer-events: none;
  transition: opacity 300ms var(--ease-out-quart), transform 300ms var(--ease-out-quart);
  font-family: var(--font-mono); letter-spacing: 0.03em;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.copy-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   返回顶部按钮
   ============================================================ */
.back-top {
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 9000;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: 50%; color: var(--text);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 400ms var(--ease-out-quart), transform 400ms var(--ease-out-quart), background 250ms, border-color 250ms;
  cursor: pointer !important;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.back-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover {
  background: var(--accent); color: var(--bg);
  border-color: var(--accent); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 160, 74, 0.35);
}
@media (max-width: 640px) {
  .back-top { right: 1rem; bottom: 1rem; width: 40px; height: 40px; }
}

/* ============================================================
   双击查看提示（lightbox-img hover 放大图标）
   ============================================================ */
.lightbox-img { position: relative; transition: transform 400ms var(--ease-out-quart); }
.lightbox-img::after {
  content: ""; position: absolute; inset: 0;
  background: rgba(14, 13, 11, 0) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e8a04a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3Cline x1='11' y1='8' x2='11' y2='14'/%3E%3Cline x1='8' y1='11' x2='14' y2='11'/%3E%3C/svg%3E") center/28px no-repeat;
  opacity: 0; transition: opacity 300ms var(--ease-out-quart), background-color 300ms;
  pointer-events: none; border-radius: inherit;
}
.lightbox-img:hover { transform: scale(1.02); }
.lightbox-img:hover::after { opacity: 1; background-color: rgba(14, 13, 11, 0.35); }
@media (hover: none) { .lightbox-img::after { display: none; } .lightbox-img:hover { transform: none; } }

/* ============================================================
   音乐播放器 — 音量滑块
   ============================================================ */
.music__volume {
  display: flex; align-items: center; gap: 0.5rem;
  margin-top: 0.4rem;
  color: var(--text-mute);
}
.music__vol-icon { flex-shrink: 0; opacity: 0.7; }
.music__vol-slider {
  -webkit-appearance: none; appearance: none;
  width: 70px; height: 3px;
  background: var(--line-strong); border-radius: 2px;
  outline: none; cursor: pointer;
}
.music__vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
  transition: transform 200ms var(--ease-out-quart);
}
.music__vol-slider::-webkit-slider-thumb:hover { transform: scale(1.3); }
.music__vol-slider::-moz-range-thumb {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent); border: none; cursor: pointer;
}
@media (max-width: 640px) { .music__vol-slider { width: 56px; } }