:root {
  --bg: #0a0e1a;
  --bg2: #111827;
  --bg3: #0d1224;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.08);
  --ink: #f0f0f5;
  --muted: #8b92a8;
  --dim: #5a6178;
  --rule: rgba(255,255,255,0.08);
  --accent: #4ade80;
  --accent2: #22d3ee;
  --accent3: #a78bfa;
  --accent-glow: rgba(74,222,128,0.15);
  --card-bg: rgba(17,24,39,0.6);
  --card-border: rgba(255,255,255,0.06);
  --yellow: #FFD735;
  --panel-width: 100vw;
  --panel-height: 100vh;
}

img {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* ===== PC 端隐藏移动端专属元素 ===== */
@media (min-width: 769px) {
  .products-page-title {
    display: none !important;
  }
}

@font-face {
  font-family: 'Outfit';
  src: url('./_shared/fonts/Outfit-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Outfit';
  src: url('./_shared/fonts/Outfit-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'InstrumentSans';
  src: url('./_shared/fonts/InstrumentSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'InstrumentSans';
  src: url('./_shared/fonts/InstrumentSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'GeistMono';
  src: url('./_shared/fonts/GeistMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'SiteCJK';
  src: url('./_shared/fonts/cjk/NotoSansSC-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'SiteCJK';
  src: url('./_shared/fonts/cjk/NotoSansSC-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: auto;
  overflow: hidden;
}
body {
  font-family: 'InstrumentSans', 'SiteCJK', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 22px;
  font-weight: 450;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

.hscroll-container {
  display: flex;
  height: 100vh;
  width: max-content;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.panel {
  width: var(--panel-width);
  height: var(--panel-height);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-inner {
  width: 100%;
  height: 100%;
  max-width: 100%;
  padding: 120px clamp(40px, 6vw, 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(99,102,241,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(139,92,246,0.1) 0%, transparent 50%),
    linear-gradient(180deg, #0a0e1a 0%, #0f1420 50%, #0a0e1a 100%);
}

.panel-hero {
  background: var(--bg);
}
.panel-hero .panel-inner {
  text-align: center;
  align-items: center;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.15;
}
.hero-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-subtitle {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(1.6rem, 2.2vw, 2.8rem);
  color: var(--yellow);
  margin-bottom: 2rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  font-weight: 500;
}
.hero-subtitle .sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--yellow);
  flex-shrink: 0;
}
.hero-title {
  font-family: 'Outfit', 'SiteCJK', sans-serif;
  font-size: clamp(8rem, 16vw, 16rem);
  font-weight: 900;
  line-height: 1.0;
  margin-bottom: 3.5rem;
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-author-badge {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.6rem;
  color: var(--accent);
  border: 1.5px solid rgba(74,222,128,0.4);
  border-radius: 999px;
  padding: 1.2rem 3rem;
  letter-spacing: 0.2em;
  cursor: default;
  user-select: none;
  background: rgba(74,222,128,0.06);
  backdrop-filter: blur(20px);
  transition: all 0.4s ease;
}
.hero-author-badge:hover {
  transform: scale(1.03);
  box-shadow: 0 0 40px rgba(74,222,128,0.15);
}
.hero-author-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-scroll-hint {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--dim);
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  z-index: 3;
}
.hero-scroll-hint .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--dim);
  border-bottom: 2px solid var(--dim);
  transform: rotate(-45deg);
  animation: float-hint 2s ease-in-out infinite;
}
@keyframes float-hint {
  0%, 100% { transform: translateY(0) rotate(-45deg); }
  50% { transform: translateY(8px) rotate(-45deg); }
}

.panel-hello .panel-inner {
  text-align: center;
  align-items: center;
  overflow-x: hidden;
}
.hello-title {
  font-family: 'Outfit', 'SiteCJK', sans-serif;
  font-size: clamp(6rem, 12vw, 12rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2.5rem;
  line-height: 0.9;
  white-space: nowrap;
}
.hello-text {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.hello-highlight {
  color: var(--ink);
  font-weight: 700;
  font-size: clamp(2.2rem, 2.8vw, 3.5rem);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.hello-highlight .accent { color: var(--accent); }
.hello-desc {
  font-size: clamp(1.6rem, 1.8vw, 2.4rem);
  color: #FFD735;
  line-height: 2.0;
  font-weight: 450;
  max-width: 900px;
}

.panel-about .panel-inner {
  align-items: stretch;
}
.about-layout {
  display: grid;
  grid-template-columns: clamp(400px, 32vw, 560px) 1fr;
  gap: 4.5rem;
  align-items: start;
  width: 100%;
  flex: 1;
  min-height: 0;
}
.about-sidebar {
  position: sticky;
  top: 80px;
  padding-right: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.about-name {
  font-family: 'Outfit', 'SiteCJK', sans-serif;
  font-size: clamp(4.5rem, 7vw, 7.5rem);
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 0.3rem;
  line-height: 1.0;
}
.about-role {
  font-size: clamp(1.6rem, 1.8vw, 2.2rem);
  color: var(--accent);
  margin-bottom: 2.5rem;
  font-weight: 500;
}
.about-info-item {
  margin-bottom: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 0;
  gap: 0.4rem;
}

/* PC 端：隐藏简介卡片 + 姓名上下排版 */
@media (min-width: 769px) {
  .panel-about .about-summary-card {
    display: none !important;
  }
  .panel-about .about-name-role {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.2rem !important;
  }
  .panel-about .about-name-sep {
    display: none !important;
  }
}
.about-info-label {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(1rem, 1.1vw, 1.3rem);
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.about-info-value {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.6;
}
.about-info-value.highlight {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ink);
}
.about-info-value.sub {
  font-size: clamp(1.2rem, 1.3vw, 1.6rem);
  color: #F99D33;
  font-weight: 450;
  line-height: 1.8;
}
.about-info-value.ability-title {
  font-size: clamp(1.8rem, 2vw, 2.4rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.3rem;
}
.about-main {
  width: 100%;
}
.experience-item {
  margin-bottom: 3.5rem;
  position: relative;
  padding-left: 2rem;
}
.experience-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.experience-item::after {
  content: '';
  position: absolute;
  left: 2.5px;
  top: 18px;
  bottom: -20px;
  width: 1px;
  background: var(--rule);
}
.experience-item:last-child::after { display: none; }
.experience-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.experience-header-left {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.experience-header-right {
  margin-left: auto;
}
.experience-date {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: 1.1rem;
  color: var(--dim);
  font-weight: 450;
}
.experience-company {
  font-size: clamp(1.8rem, 2.2vw, 2.6rem);
  font-weight: 700;
  color: var(--ink);
}
.experience-role {
  font-size: clamp(1.2rem, 1.4vw, 1.6rem);
  color: var(--accent);
  font-weight: 500;
}
.experience-list {
  list-style: none;
  padding: 0;
}
.experience-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: clamp(1.3rem, 1.4vw, 1.7rem);
  line-height: 1.8;
  font-weight: 450;
}
.experience-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

.panel-skills .panel-inner {
  align-items: center;
}
.skills-header {
  text-align: center;
  margin-bottom: 1.2rem;
}
.skills-header h2 {
  font-family: 'Outfit', 'SiteCJK', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 1fr 1fr;
  flex: 1;
  gap: 3.5rem;
  width: 100%;
}
.skills-category {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 4.5rem 3.5rem;
  backdrop-filter: blur(20px);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.skills-category:hover {
  border-color: rgba(74,222,128,0.2);
  background: rgba(17,24,39,0.8);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.skills-category-title {
  font-size: clamp(1.3rem, 1.5vw, 1.8rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.skills-category-title::before {
  content: '';
  width: 3px;
  height: 18px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border-radius: 2px;
}
.skill-tags {
  display: grid;
  gap: 1.2rem;
  flex: 1;
  align-content: stretch;
}
.skill-tag {
    background: linear-gradient(135deg, rgba(49,255,104,0.15) 0%, rgba(14,49,67,0.4) 38%, rgba(16,66,68,0.4) 53%, rgba(3,28,56,0.4) 100%),
                rgba(6,20,36,0.2);
    border: 1px solid transparent;
    border-radius: 20px;
    padding: 0.9rem 1.2rem;
    font-size: clamp(1.2rem, 1.3vw, 1.6rem);
    color: var(--ink);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: default;
    text-align: center;
    position: relative;
    overflow: hidden;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    font-weight: 500;
  }
  .skill-tag::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
  }
.skill-tag:hover {
    background: linear-gradient(135deg, rgba(49,255,104,0.25) 0%, rgba(14,49,67,0.5) 38%, rgba(16,66,68,0.5) 53%, rgba(3,28,56,0.5) 100%),
                rgba(6,20,36,0.3);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    border-color: rgba(74,222,128,0.3);
  }
  .skill-tag-purple {
    background: linear-gradient(135deg, rgba(238,49,255,0.15) 0%, rgba(34,14,67,0.4) 38%, rgba(45,16,68,0.4) 53%, rgba(56,3,40,0.4) 100%),
                rgba(6,20,36,0.2);
  }
  .skill-tag-purple::before {
    background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 100%);
  }
  .skill-tag-purple:hover {
    background: linear-gradient(135deg, rgba(238,49,255,0.25) 0%, rgba(34,14,67,0.5) 38%, rgba(45,16,68,0.5) 53%, rgba(56,3,40,0.5) 100%),
                rgba(6,20,36,0.3);
  }
  .skill-tag-dark {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    border-radius: 24px;
  }
  .skill-tag-dark::before {
    display: none;
  }
  .skill-tag-dark:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
  }
  .skill-tags-tools {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.8rem;
    overflow: visible !important;
  }
  .skill-tag-tool {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 1.4rem 2rem !important;
    min-height: 0;
    background: rgba(255,255,255,0.05) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15) !important;
    border-radius: 20px !important;
    overflow: visible !important;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
  }
  .skill-tag-tool:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3) !important;
  }
  .skill-tag-tool::before {
    display: none !important;
  }
  .tool-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }
  .tool-text span {
    font-size: 1.3rem;
    color: var(--ink);
    font-weight: 500;
  }
  .tool-text small {
    font-size: 0.95rem;
    color: var(--dim);
    font-family: 'GeistMono', 'SiteCJK', monospace;
  }
  .tool-icons {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    height: 70%;
    flex-shrink: 0;
  }
  .tool-icons img {
    height: 100%;
    width: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    filter: brightness(1.2);
  }
  .tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: default;
  }
  .tooltip-trigger::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--ink, #f0f0f5);
    font-size: 0.7rem;
    font-family: 'GeistMono', 'SiteCJK', monospace;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.08);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 9999;
  }
  .tooltip-trigger:hover::after {
    opacity: 1;
  }
  .skill-tag small {
  display: block;
  font-size: clamp(0.85rem, 0.9vw, 1.05rem);
  color: var(--dim);
  margin-top: 0.2rem;
  font-family: 'GeistMono', 'SiteCJK', monospace;
}

.panel-products .panel-inner {
  align-items: center;
  justify-content: center;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3.5rem;
  width: 100%;
  margin: 0 auto;
}
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  backdrop-filter: blur(20px);
}
.product-card:hover {
  transform: translateY(-16px) scale(1.01);
  border-color: rgba(74,222,128,0.3);
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 60px rgba(74,222,128,0.08);
}
.product-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-card:hover .product-image img {
  transform: scale(1.08);
}
.product-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, rgba(17,24,39,0.8));
}
.product-info {
  padding: clamp(1.5rem, 3vh, 2.5rem);
}
.product-title {
  font-size: clamp(1.8rem, 2.2vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.product-tag {
  display: inline-flex;
  align-items: center;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: clamp(1rem, 1.1vw, 1.3rem);
  padding: 0.5rem 1.4rem;
  border-radius: 999px;
  font-family: 'GeistMono', 'SiteCJK', monospace;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.product-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--accent);
  font-size: clamp(1rem, 1.1vw, 1.3rem);
  font-family: 'GeistMono', 'SiteCJK', monospace;
  padding: 0.5rem 1.4rem;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-weight: 500;
}
.product-arrow:hover {
  background: var(--accent-glow);
  transform: translateX(8px) scale(1.05);
  box-shadow: 0 0 30px rgba(74,222,128,0.15);
}

.panel-footer {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg3) 100%);
}
.panel-footer .panel-inner {
  align-items: center;
  justify-content: center;
  text-align: center;
}
.footer-title {
  font-family: 'Outfit', 'SiteCJK', sans-serif;
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-subtitle {
  color: var(--muted);
  font-size: clamp(1.8rem, 2.2vw, 2.8rem);
  margin-bottom: 3.5rem;
  font-weight: 450;
}
.footer-contact-grid {
  display: flex;
  gap: clamp(2rem, 3vw, 3.5rem);
  flex-wrap: wrap;
  justify-content: center;
}
.footer-contact-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: clamp(1.5rem, 2.5vw, 2.5rem) clamp(2rem, 3vw, 3rem);
  backdrop-filter: blur(20px);
  text-align: center;
  min-width: 220px;
  transition: all 0.4s ease;
}
.footer-contact-item:hover {
  border-color: rgba(74,222,128,0.3);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.footer-contact-label {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(0.9rem, 1vw, 1.2rem);
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.footer-contact-value {
  font-size: clamp(1.2rem, 1.4vw, 1.6rem);
  color: var(--ink);
}
.footer-contact-value a {
  color: var(--accent);
  text-decoration: none;
}
.email-copy {
  cursor: pointer;
  transition: color 0.3s ease;
}
.email-copy:hover {
  color: var(--accent);
}
.footer-copy {
  margin-top: 3rem;
  font-size: clamp(0.9rem, 1vw, 1.1rem);
  color: var(--dim);
}

.footer-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(0.9rem, 1.1vw, 1.1rem);
  color: var(--accent);
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: 12px;
  border: 1px solid var(--accent);
  background: var(--accent-glow);
  transition: all 0.3s ease;
  margin-bottom: 2.5rem;
  cursor: pointer;
}
.footer-download-btn:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74,222,128,0.25);
}
.download-icon {
  font-size: 1.2em;
}

.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  backdrop-filter: blur(20px);
  background: rgba(10,14,26,0.8);
  border-bottom: 1px solid var(--rule);
  transition: transform 0.3s;
}
.nav-brand {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(1rem, 1.2vw, 1.4rem);
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}
.nav-brand:hover {
  color: var(--accent);
}
.nav-brand .accent { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 0.3rem;
}
.nav-links a {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(0.9rem, 1vw, 1.1rem);
  color: var(--dim);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  transition: all 0.3s;
  border: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
  border-color: rgba(74,222,128,0.3);
  background: var(--accent-glow);
}
.nav-dropdown {
  position: relative;
  display: inline-block;
}
.nav-dropdown-toggle {
  display: block;
  cursor: pointer;
}
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 0.5rem 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  transform: translateX(-50%) translateY(-8px);
  list-style: none;
  z-index: 200;
}
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu li {
  margin: 0;
}
.nav-dropdown-menu li a {
  display: block;
  padding: 0.5rem 1.5rem;
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: clamp(0.9rem, 1vw, 1.1rem);
  color: var(--dim);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-dropdown-menu li a:hover {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-dropdown-menu li a.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.dropdown-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
  margin-left: 0.2rem;
  font-size: 0.7em;
}
.nav-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.side-nav {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--dim);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}
.side-dot.active {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px rgba(74,222,128,0.4);
}
.side-dot:hover {
  border-color: var(--accent);
}
.side-dot .tooltip {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(17,24,39,0.95);
  border: 1px solid var(--card-border);
  color: var(--ink);
  font-size: 0.75rem;
  font-family: 'GeistMono', 'SiteCJK', monospace;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.side-dot:hover .tooltip {
  opacity: 1;
}

.scroll-down-hint {
  position: absolute;
  bottom: 30px;
  right: 60px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dim);
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  z-index: 3;
}

.section-label {
  font-family: 'GeistMono', 'SiteCJK', monospace;
  font-size: 0.72rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::after {
  content: '';
  height: 1px;
  width: 60px;
  background: var(--rule);
}

.deco-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}
.deco-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 1;
}

.panel [data-animate] {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.panel.active [data-animate] {
  opacity: 1;
  transform: translateY(0);
}
.panel.active [data-animate]:nth-child(1) { transition-delay: 0.1s; }
.panel.active [data-animate]:nth-child(2) { transition-delay: 0.2s; }
.panel.active [data-animate]:nth-child(3) { transition-delay: 0.3s; }
.panel.active [data-animate]:nth-child(4) { transition-delay: 0.4s; }
.panel.active [data-animate]:nth-child(5) { transition-delay: 0.5s; }
.panel.active [data-animate]:nth-child(6) { transition-delay: 0.6s; }

@media (max-width: 1200px) {
  .panel-inner { padding: 80px 40px; }
  .hero-title { font-size: clamp(6rem, 12vw, 8rem); }
  .hello-title { font-size: clamp(5rem, 10vw, 7rem); }
  .about-name { font-size: clamp(3.5rem, 6vw, 5rem); }
  .about-layout { grid-template-columns: 280px 1fr; gap: 2rem; }
  .skills-category { padding: 3rem 2.5rem; }
  .product-info { padding: 2.5rem; }
}
@media (max-width: 900px) {
  .panel-inner { padding: 60px 24px; }
  .about-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-category { padding: 2.5rem 2rem; }
  .products-grid { grid-template-columns: 1fr; max-width: 500px; gap: 2.5rem; }
  .product-info { padding: 2rem; }
  .about-sidebar { position: static; }
  .side-nav { display: none; }
  .nav-links { display: none; }
}

/* ===== About 和 Skills 页面专属——紧凑策略（矮屏适配，仅宽屏生效） ===== */
@media (max-height: 1100px) and (min-width: 769px) {
  /* ===== About 页面：小字、小间距、左侧列更窄 ===== */
  .panel-about .panel-inner {
    padding-top: 80px !important;
    padding-bottom: 50px !important;
  }
  .panel-about .about-layout {
    grid-template-columns: clamp(220px, 22vw, 300px) 1fr !important;
    gap: 1.5rem !important;
  }
  .panel-about .about-name {
    font-size: clamp(2rem, 3.5vw, 3.2rem) !important;
  }
  .panel-about .about-role {
    font-size: clamp(0.9rem, 1.1vw, 1.2rem) !important;
  }
  .panel-about .about-info-value.ability-title {
    font-size: clamp(0.95rem, 1.1vw, 1.2rem) !important;
  }
  .panel-about .about-info-value.sub {
    font-size: clamp(0.8rem, 0.9vw, 1rem) !important;
  }
  .panel-about .about-info-label {
    font-size: clamp(0.7rem, 0.8vw, 0.9rem) !important;
  }
  .panel-about .experience-item {
    flex: 1;
    margin-bottom: 1.5rem !important;
  }
  .panel-about .experience-header {
    margin-bottom: 0.2rem !important;
  }
  .panel-about .experience-list li {
    font-size: clamp(0.85rem, 0.9vw, 1rem) !important;
    line-height: 2.0 !important;
    margin-bottom: 0.4rem !important;
  }
  .panel-about .experience-company {
    font-size: clamp(1rem, 1.2vw, 1.3rem) !important;
  }
  .panel-about .experience-role {
    font-size: clamp(0.8rem, 0.9vw, 1rem) !important;
  }
  .panel-about .experience-date {
    font-size: 0.8rem !important;
  }

  /* ===== Skills 页面：小间距、顶部内边距充足 ===== */
  .panel-skills .panel-inner {
    padding-top: 80px !important;
    padding-bottom: 30px !important;
  }
  .panel-skills .skills-grid {
    gap: 1rem !important;
  }
  .panel-skills .skills-category {
    padding: 1rem 1rem !important;
  }
  .panel-skills .skills-category-title {
    font-size: clamp(0.85rem, 1vw, 1.1rem) !important;
    margin-bottom: 0.8rem !important;
  }
  .panel-skills .skill-tag {
    font-size: clamp(0.8rem, 0.9vw, 0.95rem) !important;
    padding: 0.4rem 0.5rem !important;
  }
  .panel-skills .skill-tag small {
    font-size: clamp(0.6rem, 0.7vw, 0.75rem) !important;
  }
  .panel-skills .skill-tags {
    gap: 0.6rem !important;
  }
}
/* ========================================
   移动端专属样式（仅宽度 ≤ 768px 生效）
   ======================================== */
@media (max-width: 768px) {

  /* 强制启用滚动 */
  html, body {
    overflow-y: scroll !important;
    overflow-x: hidden !important;
    height: auto !important;
    min-height: 100% !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* 容器取消 flex，改为块级 */
  .hscroll-container {
    display: block !important;
    flex-direction: unset !important;
    height: auto !important;
    min-height: 100vh !important;
    width: 100% !important;
    transform: none !important;
    transition: none !important;
    overflow-y: visible !important;
  }

  /* 每个面板块级排列，不强制占满视口 */
  .panel {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    flex-shrink: 0 !important;
    overflow: visible !important;
    position: relative !important;
  }

  .panel-inner {
    min-height: 100vh !important;
    height: auto !important;
    padding: 80px 20px 60px !important;
    justify-content: flex-start !important;
  }
  .panel-about .panel-inner,
  .panel-skills .panel-inner,
  .panel-products .panel-inner {
    min-height: auto !important;
  }

  /* --- 统一全局背景（隐藏 Hero 背景图，统一使用 bg-layer 渐变） --- */
  .hero-bg-img {
    display: none !important;
  }
  .panel-hero {
    background: transparent !important;
  }
  .panel-footer {
    background: transparent !important;
  }

  /* --- Hero 面板适配（居中显示） --- */
  .panel-hero .panel-inner {
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
  }
  .hero-title {
    font-size: clamp(3.5rem, 12vw, 5rem) !important;
  }
  .hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.4rem) !important;
    gap: 0.8rem !important;
  }
  .hero-author-badge {
    font-size: 1.2rem !important;
    padding: 0.8rem 1.5rem !important;
  }
  .hero-scroll-hint {
    display: none !important;
  }

  /* --- Hello 面板适配（居中显示） --- */
  .panel-hello .panel-inner {
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
  }
  .hello-title {
    font-size: clamp(3.5rem, 10vw, 5rem) !important;
  }
  .hello-highlight {
    font-size: clamp(1.4rem, 4vw, 2rem) !important;
  }
  .hello-desc {
    font-size: clamp(1.1rem, 3vw, 1.4rem) !important;
    max-width: 100% !important;
  }

  /* --- About 面板适配（单列，优化排版） --- */
  .panel-about .panel-inner {
    justify-content: flex-start !important;
    align-items: stretch !important;
    padding-top: 70px !important;
  }
  .panel-about .about-layout {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    max-width: 100% !important;
  }
  .panel-about .about-sidebar {
    position: static !important;
    padding-right: 0 !important;
  }

  /* 名称和职位一行显示 */
  .panel-about .about-name-role {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    margin-bottom: 0.8rem !important;
    flex-wrap: wrap !important;
  }
  .panel-about .about-name {
    font-size: clamp(1.8rem, 5vw, 2.5rem) !important;
    margin-bottom: 0 !important;
  }
  .panel-about .about-name-sep {
    color: var(--accent) !important;
    font-size: clamp(1.2rem, 3vw, 1.6rem) !important;
    opacity: 0.6 !important;
  }
  .panel-about .about-role {
    font-size: clamp(0.85rem, 2.2vw, 1.1rem) !important;
    margin-bottom: 0 !important;
    color: var(--muted) !important;
  }

  /* 总结卡片 */
  .panel-about .about-summary-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1rem 0.9rem;
    backdrop-filter: blur(20px);
    font-size: clamp(0.85rem, 2.2vw, 1rem) !important;
    line-height: 1.7 !important;
    color: var(--ink) !important;
    margin-bottom: 1.2rem !important;
  }

  /* 工作经历在移动端显示 */
  .panel-about .about-main {
    display: block !important;
    margin-top: 1.5rem !important;
  }
  .panel-about .experience-header {
    flex-direction: row !important;
    align-items: flex-start !important;
    justify-content: space-between !important;
    gap: 0.5rem !important;
    flex-wrap: wrap !important;
    margin-bottom: 0.4rem !important;
  }
  .panel-about .experience-header-left {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.15rem !important;
    flex: 1 !important;
    min-width: 0 !important;
  }
  .panel-about .experience-company {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem) !important;
    line-height: 1.3 !important;
  }
  .panel-about .experience-role {
    font-size: clamp(0.75rem, 1.8vw, 0.9rem) !important;
  }
  .panel-about .experience-date {
    font-size: clamp(0.7rem, 1.6vw, 0.8rem) !important;
    white-space: nowrap !important;
    margin-top: 0.1rem !important;
  }
  .panel-about .experience-list li {
    font-size: clamp(0.8rem, 2vw, 0.95rem) !important;
    line-height: 1.6 !important;
    margin-bottom: 0.4rem !important;
  }
  .panel-about .experience-item {
    margin-bottom: 1rem !important;
    padding-left: 1rem !important;
  }
  .panel-about .experience-item::before {
    top: 6px !important;
    width: 5px !important;
    height: 5px !important;
  }

  /* --- Skills 面板适配（单列） --- */
  .panel-skills .panel-inner {
    padding-top: 70px !important;
    padding-bottom: 40px !important;
  }
  .panel-skills .skills-grid {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto !important;
    gap: 0.8rem !important;
    flex: none !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .panel-skills .skills-category {
    padding: 1rem 0.9rem !important;
    height: auto !important;
    border-radius: 14px !important;
  }
  .panel-skills .skills-category-title {
    font-size: clamp(0.85rem, 2.2vw, 1rem) !important;
    margin-bottom: 0.6rem !important;
  }
  .panel-skills .skill-tags:not(.skill-tags-tools) {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.6rem !important;
    flex: none !important;
  }
  .panel-skills .skill-tag:not(.skill-tag-tool) {
    font-size: clamp(0.8rem, 2.2vw, 0.95rem) !important;
    padding: 0.6rem 0.4rem !important;
    border-radius: 12px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    gap: 0.15rem !important;
  }
  .panel-skills .skill-tag:not(.skill-tag-tool) small {
    font-size: clamp(0.6rem, 1.4vw, 0.7rem) !important;
    margin-top: 0 !important;
    opacity: 0.6 !important;
    white-space: nowrap !important;
  }
  .panel-skills .skill-tags-tools {
    gap: 0.4rem !important;
  }
  .panel-skills .skill-tag-tool {
    padding: 0.7rem 0.8rem !important;
    flex-wrap: nowrap !important;
  }
  .panel-skills .tool-text span {
    font-size: clamp(0.8rem, 2.2vw, 0.95rem) !important;
  }
  .panel-skills .tool-text small {
    font-size: clamp(0.65rem, 1.5vw, 0.75rem) !important;
  }
  .panel-skills .tool-icons {
    gap: 0.4rem !important;
    height: auto !important;
    max-height: none !important;
  }
  .panel-skills .tool-icons img {
    height: clamp(22px, 4.5vw, 32px) !important;
    width: clamp(22px, 4.5vw, 32px) !important;
  }

  /* --- Products 面板适配（单列） --- */
  .panel-products .products-page-title {
    font-family: 'Outfit', 'SiteCJK', sans-serif;
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 900;
    color: var(--ink);
    line-height: 1.1;
    margin-bottom: 1rem;
  }
  .panel-products .products-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    max-width: 100% !important;
  }
  .panel-products .product-image {
    aspect-ratio: 16 / 9 !important;
    height: auto !important;
  }
  .panel-products .product-title {
    font-size: clamp(1rem, 3vw, 1.2rem) !important;
    margin-bottom: 0.5rem !important;
  }
  .panel-products .product-tag {
    font-size: clamp(0.65rem, 1.8vw, 0.8rem) !important;
    padding: 0.25rem 0.7rem !important;
  }
  .panel-products .product-arrow {
    font-size: clamp(0.65rem, 1.8vw, 0.8rem) !important;
    padding: 0.25rem 0.7rem !important;
  }
  .panel-products .product-info {
    padding: 1rem !important;
  }

  /* --- Contact/Footer 面板适配 --- */
  .panel-footer .footer-title {
    font-size: clamp(2.5rem, 8vw, 4rem) !important;
  }
  .panel-footer .footer-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.6rem) !important;
    margin-bottom: 1.5rem !important;
  }
  .panel-footer .footer-download-btn {
    font-size: clamp(0.8rem, 2.5vw, 1rem) !important;
    padding: 0.6rem 1.5rem !important;
    margin-bottom: 1.5rem !important;
  }
  .panel-footer .footer-contact-grid {
    flex-direction: column !important;
    gap: 1rem !important;
    align-items: center !important;
  }
  .panel-footer .footer-contact-item {
    width: 100% !important;
    max-width: 320px !important;
    padding: 1.2rem 1.5rem !important;
  }
  .panel-footer .footer-contact-label {
    font-size: clamp(0.7rem, 1.8vw, 0.9rem) !important;
  }
  .panel-footer .footer-contact-value {
    font-size: clamp(0.9rem, 2.5vw, 1.2rem) !important;
  }
  .panel-footer .footer-copy {
    font-size: clamp(0.7rem, 1.8vw, 0.9rem) !important;
  }

  /* --- 导航栏与侧边锚点适配 --- */
  .fixed-nav {
    height: 50px !important;
    padding: 0 1rem !important;
  }
  .nav-brand {
    font-size: clamp(0.8rem, 2.5vw, 1rem) !important;
    letter-spacing: 0.04em !important;
  }
  .nav-links {
    display: none !important;
  }
  .side-nav {
    display: none !important;
  }

  /* --- 装饰元素在移动端减弱 --- */
  .deco-grid {
    opacity: 0.01 !important;
  }
  .deco-glow {
    opacity: 0.3 !important;
  }

  /* --- 图片不溢出容器 --- */
  img {
    max-width: 100% !important;
  }

  /* --- Email 点击区域触摸面积 --- */
  .email-copy {
    min-height: 44px !important;
    min-width: 44px !important;
    display: inline-block !important;
  }

  /* --- 修复：移动端强制显示所有 data-animate 元素 --- */
  .panel [data-animate] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* ===== Scroll Snap 整屏切换（Hero、Hello、Footer） ===== */
  html {
    scroll-snap-type: y proximity !important;
  }
  .panel-hero,
  .panel-hello,
  .panel-footer {
    scroll-snap-align: start !important;
    min-height: 100vh !important;
  }
  .panel-about,
  .panel-skills,
  .panel-products {
    scroll-snap-align: none !important;
  }

  /* ===== About 面板移动端优化 ===== */
  /* 隐藏能力列表和设计工具（PC 端仍显示） */
  .panel-about .about-info-item {
    display: none !important;
  }
}