/* ============================================================
   DESIGN SYSTEM
   Notion whitespace × Linear grid × Apple typography
   ============================================================ */

:root {
  /* Color */
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-hover: #f5f5f5;
  --text-primary: #1a1a1a;
  --text-secondary: #2a2a2a;
  --text-tertiary: #9a9a9a;
  --accent: #5b5ea6;
  --accent-rgb: 91, 94, 166;
  --accent-subtle: rgba(91, 94, 166, 0.06);
  --accent-border: rgba(91, 94, 166, 0.15);
  --border: #e8e8e8;
  --border-light: #f0f0f0;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.03);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.04);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --nav-bg: rgba(250,250,250,0.8);
  --transition: 0.2s ease;
  /* Grid */
  --grid-gap: 24px;
  --section-pad: 120px;
  --container-max: 1040px;
}

[data-theme="dark"] {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface-hover: #1a1a1a;
  --text-primary: #ededed;
  --text-secondary: #bbbbbb;
  --text-tertiary: #5c5c5c;
  --accent: #8b8fd4;
  --accent-rgb: 139, 143, 212;
  --accent-subtle: rgba(139, 143, 212, 0.08);
  --accent-border: rgba(139, 143, 212, 0.2);
  --border: #222222;
  --border-light: #1c1c1c;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --nav-bg: rgba(13,13,13,0.82);
}

/* ============================================================
   RESET & GLOBAL
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: -0.01em;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* All content above particle canvas */
nav, main, footer, .modal-overlay { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

/* ============================================================
   SECTION — Notion-like spacing
   ============================================================ */
.section {
  padding: var(--section-pad) 0;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
  position: relative;
  z-index: 10;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 560px;
}

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

/* ============================================================
   LOADING
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   NAVIGATION — Linear-style clean bar
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  height: 56px;
}
.nav-logo {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.nav-logo:hover { opacity: 0.6; }
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  margin-right: 8px;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  letter-spacing: -0.01em;
}
.nav-link:hover { color: var(--text-primary); background: var(--accent-subtle); }
.nav-link.active { color: var(--text-primary); background: var(--accent-subtle); }
.nav-actions { display: flex; align-items: center; gap: 4px; }

/* Theme Toggle */
.theme-toggle {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--accent-subtle); color: var(--text-primary); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
:root:not([data-theme="dark"]) .icon-sun,
[data-theme="light"] .icon-sun { display: none; }
:root:not([data-theme="dark"]) .icon-moon,
[data-theme="light"] .icon-moon { display: block; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { width: 18px; height: 1.5px; background: var(--text-primary); border-radius: 1px; transition: transform var(--transition), opacity var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}
#particleCanvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* Full-bleed video background — white removal via blend mode */
.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: avatarFloat 5s ease-in-out infinite;
}

[data-theme="dark"] .hero-video-bg {
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 1000px;
  padding: 0 40px 60px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-name {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-top: 5vh;
  margin-bottom: auto;
  align-self: flex-start;
  text-align: left;
  text-shadow: 0 1px 4px rgba(0,0,0,0.35);
}
.hero-hi { margin-right: 0.35em; }
.hero-name-accent { color: var(--accent); }

.hero-slogan {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 45vh;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
  line-height: 1.5;
  position: relative;
  z-index: 2;
  max-width: 480px;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 2;
}

/* Buttons — both capsule pills */
.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 11px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--transition);
}
.hero-badge:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--transition);
}
.hero-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35);
}

.section-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: fit-content;
  padding: 6px 16px;
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  margin-top: 28px;
}
.section-cta:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}

@keyframes avatarFloat {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
  70% { transform: translateY(4px); }
}

.hero-scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: var(--text-tertiary);
  animation: bounce 2.5s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-layout {
  display: flex;
  align-items: stretch;
  gap: clamp(20px, 5vw, 48px);
}

.about-card {
  flex: 1;
  max-width: 540px;
  margin-top: -10vh;
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.25);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.4);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.1), 0 0 0 1px rgba(255,255,255,0.15);
}

[data-theme="dark"] .about-card {
  background: rgba(20,20,40,0.3);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 12px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);
}

.about-card .section-label {
  color: var(--accent);
  margin-bottom: 6px;
}
.about-card .section-title {
  text-align: left;
  margin-bottom: 22px;
}
.about-card .section-title::after { margin-left: 0; }

.about-intro {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.about-contact {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.c-dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  margin-right: 2px;
  vertical-align: middle;
}

.about-section {
  margin-bottom: 32px;
}

.about-section h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.edu-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.edu-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: border-color var(--transition);
}
.edu-item:hover {
  border-color: var(--accent-border);
}
[data-theme="dark"] .edu-item {
  border-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .edu-item:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
}

.edu-major { font-size: 0.93rem; font-weight: 600; }
.edu-school { font-size: 0.82rem; color: var(--text-secondary); margin-top: 4px; }
.edu-time { font-size: 0.76rem; color: var(--text-tertiary); margin-top: 5px; }

.tag-row { display: flex; gap: 10px; flex-wrap: wrap; }
.tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* About visual — right side */
.about-visual {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
  position: relative;
  z-index: 1;
  overflow: visible;
  animation: avatarFloat 5s ease-in-out infinite;
}
.about-figure {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  transform: scale(1.5);
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-layout {
  display: grid;
  grid-template-columns: 2.3fr 1fr 2.3fr;
  padding-top: 16px;
  gap: 24px;
  align-items: start;
}

.exp-side-stack {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* GIF figure — center column */
.exp-figure {
  display: flex;
  align-items: stretch;
  justify-content: center;
  position: relative;
  z-index: 1;
  overflow: visible;
  animation: avatarFloat 5s ease-in-out infinite;
}
.exp-figure img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  transform: scale(2);
  transition: transform 0.4s ease;
}

/* Shared card styles */
.exp-card-main, .exp-card-side {
  position: relative;
  z-index: 2;
  margin-top: 0;
}
.exp-card-inner {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.25);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.exp-card-inner:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
[data-theme="dark"] .exp-card-inner {
  background: rgba(20,20,40,0.2);
  border-color: rgba(255,255,255,0.08);
}

/* Header */
.exp-header {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  user-select: none;
  transition: background var(--transition);
}
.exp-header:hover { background: rgba(255,255,255,0.15); }
[data-theme="dark"] .exp-header:hover { background: rgba(255,255,255,0.03); }

.exp-index {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 22px;
}

.exp-info { flex: 1; min-width: 0; }
.exp-company { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.01em; }
.exp-meta-row {
  display: flex;
  gap: 12px;
  margin-top: 2px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.exp-role { color: var(--accent); font-weight: 500; }

.exp-toggle {
  flex-shrink: 0;
  background: none; border: none; cursor: pointer;
  color: var(--text-tertiary); padding: 4px;
  transition: transform var(--transition), color var(--transition);
}
.exp-card-main.open .exp-toggle,
.exp-card-side.open .exp-toggle { transform: rotate(180deg); color: var(--accent); }

.exp-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.exp-card-main.open .exp-body { max-height: 900px; }
.exp-card-side.open .exp-body { max-height: 600px; }

.exp-detail {
  padding: 0 24px 20px 60px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.exp-col h4 {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}
.exp-col li {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 2px 0 2px 12px;
  position: relative;
}
.exp-col li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent); opacity: 0.4;
}

/* Hint */
.exp-hint {
  display: block;
  text-align: center;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--accent);
  margin-top: 10px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.exp-hint:hover {
  opacity: 0.7;
}

.exp-figure.expanded img {
  transform: scale(3);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-layout {
  display: flex;
  align-items: center;
  gap: clamp(24px, 5vw, 48px);
  margin-top: 0;
}
#skills .section-label { margin-top: 0; position: relative; z-index: 10; }

/* Left figure */
.skills-figure {
  flex: 4;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  animation: avatarFloat 5s ease-in-out infinite;
}
.skills-figure img {
  width: 100%;
  max-width: 340px;
  height: auto;
  object-fit: contain;
}

/* Right cards */
.skills-cards {
  flex: 5;
  position: relative;
  z-index: 2;
}

/* Single merged card */
.skill-card-main {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 28px 32px 24px;
}
[data-theme="dark"] .skill-card-main {
  background: rgba(20,20,40,0.08);
  border-color: rgba(255,255,255,0.06);
}
.skill-card-main h3 {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.skill-list { display: flex; flex-direction: column; }
.skill-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.skill-item:last-child { border-bottom: none; }
.skill-icon { font-size: 1rem; flex-shrink: 0; width: 22px; text-align: center; padding-top: 1px; }
.skill-text strong { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.skill-text p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-top: 2px;
}

.skill-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0 16px;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.tool-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.06);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
[data-theme="dark"] .tool-item { background: rgba(255,255,255,0.02); }
.tool-item:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}

/* ============================================================
   WORKS — Grid cards
   ============================================================ */
#skills { padding-top: 20px; padding-bottom: 60px; }
#works { padding-top: 20px; padding-bottom: 60px; }
#evaluation { padding-top: 80px; }
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}
.work-card:hover { border-color: var(--accent-border); transform: translateY(-2px); }

.work-thumb {
  aspect-ratio: auto;
  background: var(--accent-subtle);
  position: relative;
  overflow: hidden;
}
.work-thumb img {
  display: block;
  width: 100%;
  height: auto;
}

.work-info { padding: 18px 20px; }
.work-info h3 { font-size: 0.9rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 4px; }
.work-info p { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ============================================================
   EVALUATION
   ============================================================ */
.eval-layout {
  display: flex;
  align-items: center;
  gap: clamp(24px, 5vw, 48px);
}
.eval-single {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  flex: 1;
  max-width: 860px;
}
.eval-figure {
  flex-shrink: 0;
  animation: avatarFloat 5s ease-in-out infinite;
}
.eval-figure img {
  width: auto;
  max-height: 400px;
  object-fit: contain;
}
.eval-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.eval-list li {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}
.eval-list li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-left { font-size: 0.85rem; font-weight: 500; letter-spacing: -0.01em; }
.footer-right { font-size: 0.8rem; color: var(--text-tertiary); }

/* ============================================================
   GALLERY MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  padding: 32px;
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.gallery-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 90vw;
  height: 95vh;
  display: flex; flex-direction: column;
  padding: 12px 12px 16px;
  position: relative;
  transform: translateY(12px);
  transition: transform var(--transition);
}
.modal-overlay.open .gallery-card { transform: translateY(0); }

.gallery-close {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 50%; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-secondary);
  transition: all var(--transition);
}
.gallery-close:hover { background: var(--surface-hover); color: var(--text-primary); border-color: var(--accent-border); }

/* Stage */
.gallery-stage {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #dfdfdf;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  flex: 1;
  min-height: 0;
}
.gallery-img {
  width: 100%; height: 100%;
  object-fit: contain; display: block;
}

/* Arrows */
.gallery-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.45); border: none;
  border-radius: 50%; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: #fff; z-index: 5;
  transition: background var(--transition);
}
.gallery-arrow:hover { background: rgba(0,0,0,0.7); }
.gallery-arrow:disabled { opacity: 0.25; cursor: default; }
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }

/* Counter */
.gallery-counter {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.5); color: #fff;
  font-size: 0.78rem; font-weight: 500;
  padding: 4px 12px; border-radius: 12px;
  letter-spacing: 0.04em;
}

.gallery-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.gallery-desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-pad: 80px; --container-max: 100%; }
  .container { padding: 0 32px; }
  .nav-inner { padding: 0 32px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .exp-detail { grid-template-columns: 1fr; gap: 20px; }
}

/* ============================================================
   RESPONSIVE — Mobile
   ============================================================ */
@media (max-width: 768px) {
  :root { --section-pad: 64px; }
  html { font-size: 15px; scroll-padding-top: 56px; }
  .container { padding: 0 20px; }
  .section-title { font-size: 1.75rem; }
  .section-header { margin-bottom: 40px; }

  /* Nav */
  .nav-inner { padding: 0 20px; height: 48px; }
  .nav-links {
    position: fixed; top: 48px; left: 0; right: 0;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    flex-direction: column; align-items: stretch;
    padding: 8px; gap: 2px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%); opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 10px 14px; border-radius: 8px; font-size: 0.85rem; }
  .hamburger { display: flex; }

  /* Hero */
  .hero-content { padding: 0 20px 40px; }
  .hero-name { font-size: 2.2rem; align-self: flex-start; }
  .hero-slogan { font-size: 1rem; }
  .hero-buttons { justify-content: center; gap: 12px; }
  .hero-badge { padding: 8px 20px; font-size: 0.82rem; }
  .hero-cta { padding: 8px 20px; font-size: 0.82rem; }
  .hero-buttons { gap: 12px; }
  .hero-badge { padding: 8px 20px; font-size: 0.82rem; }
  .hero-cta { padding: 8px 20px; font-size: 0.82rem; }

  /* About */
  .about-layout { flex-direction: column-reverse; gap: 32px; }
  .about-card { padding: 28px 22px; }
  .edu-row { grid-template-columns: 1fr; gap: 10px; }
  .about-contact { gap: 14px; }
  .about-layout { align-items: center; }
  .about-visual { flex: 0 0 auto; }
  .about-figure { height: auto; width: 100%; max-width: 260px; }

  /* Experience */
  .exp-layout { grid-template-columns: 1fr; gap: 16px; }
  .exp-figure { display: none; }
  .exp-header { padding: 16px 18px; gap: 10px; }
  .exp-meta-row { flex-direction: column; gap: 2px; }
  .exp-detail { padding: 0 18px 18px 52px; }
  .exp-card-inner { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

  /* Skills */
  .skills-layout { flex-direction: column; gap: 24px; }
  .skills-figure { flex: 0 0 auto; }
  .skills-figure img { max-width: 200px; }
  .skills-cards { width: 100%; }

  /* Works */
  .works-grid { grid-template-columns: 1fr; }

  /* Evaluation */
  .eval-layout { flex-direction: column-reverse; }
  .eval-single { padding: 28px 24px; }
  .eval-figure img { max-height: 260px; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }

  /* Gallery */
  .gallery-card { padding: 16px 16px 20px; }
  .gallery-arrow { width: 32px; height: 32px; }
}
/* 终极修复：解决 Safari 手机端动画不显示 */
.character {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: static !important;
    width: auto !important;
    height: auto !important;
    background-repeat: no-repeat !important;
    background-size: contain !important;
    animation: walk 1s infinite steps(4) !important;
    -webkit-animation: walk 1s infinite steps(4) !important;
    transform: translateZ(0) !important;
    -webkit-transform: translateZ(0) !important;
}