/* ============================================================
   李建伟个人站 · 视觉精修覆盖层
   2026-10-01 · 加载于构建样式表之后，仅覆盖显示样式，可随时移除
   ============================================================ */

:root {
  --ljw-accent: #2f7d4b;
  --ljw-accent-deep: #245e3a;
  --ljw-accent-glow: #7ad0a3;
  --ljw-ink: #1a1d19;
  --ljw-line: #c9cdc3;
}

/* ---------- 基础排版（中文阅读节奏） ---------- */
.portfolio-home p,
.portfolio-page-section p {
  line-height: 1.82;
}
::selection {
  background: rgba(47, 125, 75, .22);
}
.portfolio-home ::-webkit-scrollbar {
  width: 10px;
}
.portfolio-home ::-webkit-scrollbar-thumb {
  background: #c4c7bd;
  border: 3px solid #f4f4ef;
  border-radius: 8px;
}
.portfolio-home ::-webkit-scrollbar-thumb:hover {
  background: #a9ada2;
}

/* ---------- 首屏：科技感背景（替换原插画） ---------- */
.portfolio-hero {
  background:
    radial-gradient(1100px 640px at 84% -12%, rgba(64, 146, 108, .32), transparent 62%),
    radial-gradient(920px 580px at -14% 114%, rgba(26, 82, 128, .28), transparent 60%),
    radial-gradient(520px 420px at 64% 122%, rgba(47, 125, 75, .15), transparent 65%),
    linear-gradient(168deg, #141a15 0%, #161d17 44%, #0e130f 100%);
}
/* 细网格：向右上聚焦，边缘淡出 */
.portfolio-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(125% 105% at 72% 16%, #000 28%, transparent 74%);
  mask-image: radial-gradient(125% 105% at 72% 16%, #000 28%, transparent 74%);
  pointer-events: none;
}
/* 底部地平线光带 */
.portfolio-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent,
      rgba(122, 208, 163, .45) 26%,
      rgba(122, 208, 163, .8) 50%,
      rgba(122, 208, 163, .45) 74%,
      transparent);
  box-shadow: 0 0 26px 3px rgba(96, 190, 140, .3);
  animation: ljw-horizon 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes ljw-horizon {
  0%, 100% { opacity: .75; }
  50% { opacity: 1; }
}
/* 原整层暗遮罩 → 分层渐变：上部轻、底部重，保证文字可读且背景通透 */
.portfolio-hero-shade {
  background: linear-gradient(180deg,
    rgba(8, 11, 9, .40) 0%,
    rgba(8, 11, 9, .06) 36%,
    rgba(8, 11, 9, .08) 60%,
    rgba(8, 11, 9, .62) 100%);
}
.portfolio-kicker {
  color: #a9d8bb;
  letter-spacing: .18em;
}
.portfolio-hero h1 {
  text-shadow: 0 2px 28px rgba(0, 0, 0, .38);
}
.portfolio-hero p {
  text-shadow: 0 1px 14px rgba(0, 0, 0, .3);
}
.portfolio-scroll {
  letter-spacing: .14em;
  opacity: .85;
  transition: opacity .2s ease;
}
.portfolio-scroll:hover {
  opacity: 1;
}

/* ---------- 导航：玻璃质感 + 下划线动效 ---------- */
.portfolio-nav {
  background: linear-gradient(180deg, rgba(10, 14, 11, .46), rgba(10, 14, 11, .16));
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}
.portfolio-nav-subpage {
  background: rgba(244, 244, 239, .88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid #d6d8cf;
}
.portfolio-name {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  letter-spacing: .02em;
}
.portfolio-name::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--ljw-accent-glow);
  box-shadow: 0 0 10px rgba(122, 208, 163, .6);
}
.portfolio-nav-links > a {
  position: relative;
  padding: 6px 2px;
  color: rgba(255, 255, 255, .82);
  transition: color .2s ease;
}
.portfolio-nav-links > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1.5px;
  background: var(--ljw-accent-glow);
  transition: right .28s cubic-bezier(.22, .61, .36, 1);
}
.portfolio-nav-links > a:hover,
.portfolio-nav-links > a.active {
  color: #fff;
}
.portfolio-nav-links > a:hover::after,
.portfolio-nav-links > a.active::after {
  right: 0;
}
/* 子页导航：浅底深字 */
.portfolio-nav-subpage .portfolio-nav-links > a {
  color: #4b5047;
}
.portfolio-nav-subpage .portfolio-nav-links > a:hover,
.portfolio-nav-subpage .portfolio-nav-links > a.active {
  color: #171a16;
}
.portfolio-nav-subpage .portfolio-nav-links > a::after {
  background: var(--ljw-accent);
}
.portfolio-nav-subpage .portfolio-name::before {
  background: var(--ljw-accent);
  box-shadow: 0 0 8px rgba(47, 125, 75, .35);
}
.portfolio-nav-account {
  border: 1px solid rgba(255, 255, 255, .38);
  border-radius: 999px;
  padding: 7px 15px;
  transition: border-color .2s ease, background .2s ease;
}
.portfolio-nav-account:hover {
  border-color: rgba(255, 255, 255, .85);
  background: rgba(255, 255, 255, .08);
}
.portfolio-nav-subpage .portfolio-nav-account {
  border-color: #bfc2b7;
  color: #2c302a;
}
.portfolio-nav-subpage .portfolio-nav-account:hover {
  border-color: #6c7168;
  background: rgba(0, 0, 0, .04);
}
.portfolio-nav-cta {
  border-bottom-width: 1.5px;
  transition: border-color .2s ease;
}
.portfolio-nav-cta:hover {
  border-color: var(--ljw-accent-glow);
}

/* ---------- 按钮 ---------- */
.portfolio-primary,
.portfolio-secondary,
.portfolio-download {
  border-radius: 6px;
  letter-spacing: .02em;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease,
    border-color .22s ease;
}
.portfolio-primary {
  background: var(--ljw-accent);
  box-shadow: 0 1px 2px rgba(20, 40, 30, .2);
}
.portfolio-primary:hover {
  background: var(--ljw-accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -10px rgba(47, 125, 75, .6);
}
.portfolio-secondary {
  border-color: rgba(255, 255, 255, .52);
}
.portfolio-secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .08);
  transform: translateY(-1px);
}
.portfolio-download {
  border-color: #bfc2b9;
}
.portfolio-download:hover {
  border-color: #4c5049;
  transform: translateY(-1px);
}

/* ---------- 首页目录卡 ---------- */
.portfolio-directory h2 {
  letter-spacing: .01em;
}
.portfolio-directory-grid a {
  transition: background .22s ease, color .22s ease;
}
.portfolio-directory-grid a > span {
  font-variant-numeric: tabular-nums;
  letter-spacing: .16em;
}
.portfolio-directory-grid a:hover {
  background: #213d2e;
}
.portfolio-directory-grid a:hover > span {
  color: rgba(255, 255, 255, .62);
}
.portfolio-directory-grid a > svg:last-of-type {
  transition: transform .26s cubic-bezier(.22, .61, .36, 1);
}
.portfolio-directory-grid a:hover > svg:last-of-type {
  transform: translateX(4px);
}

/* ---------- 子页面：栅格与节奏 ---------- */
.portfolio-page-intro {
  min-height: 128px;
}
.portfolio-page-intro a {
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.portfolio-page-intro a:hover {
  border-color: currentColor;
}
.portfolio-section-heading h2 {
  letter-spacing: .01em;
}
/* 关于页三栏：顶端对齐，消除错位 */
.portfolio-about {
  align-items: start;
}
.portfolio-about-stats span {
  padding-top: 24px;
}
.portfolio-about-stats strong {
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}
/* 项目卡：悬浮时左侧内嵌强调线，不动布局 */
.portfolio-project-card {
  position: relative;
  transition: background .2s ease;
}
.portfolio-project-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ljw-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .26s cubic-bezier(.22, .61, .36, 1);
}
.portfolio-project-card:hover::after {
  transform: scaleY(1);
}
/* 产品页大编号与标题 */
.portfolio-product-copy h3 {
  letter-spacing: .01em;
}
/* 深色经历带中的时间线节点 */
.portfolio-timeline {
  border-top-color: rgba(255, 255, 255, .14);
}

/* ---------- 页脚 ---------- */
.portfolio-footer {
  letter-spacing: .04em;
}
.portfolio-footer a {
  transition: color .2s ease;
}
.portfolio-footer a:hover {
  color: var(--ljw-accent);
}

/* ---------- 滚动显现（配合内联脚本） ---------- */
.ljw-io {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.22, .61, .36, 1);
}
.ljw-io.ljw-in {
  opacity: 1;
  transform: none;
}

/* ---------- 动效偏好：尊重系统设置 ---------- */
@media (prefers-reduced-motion: reduce) {
  .portfolio-hero::after {
    animation: none;
  }
  .ljw-io {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .portfolio-primary,
  .portfolio-secondary,
  .portfolio-download,
  .portfolio-directory-grid a > svg:last-of-type {
    transition: none;
  }
}

/* ============================================================
   增强 1 · 首屏粒子网络（画布由内联脚本注入）
   ============================================================ */
.ljw-hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .9;
}

/* ============================================================
   增强 2 · 荣誉证书灯箱（暗色主题 + 导航 + 缩放）
   ============================================================ */
.portfolio-honor-lightbox {
  animation: ljw-lb-fade .22s ease;
}
@keyframes ljw-lb-fade {
  from { opacity: 0; }
}
.portfolio-honor-dialog {
  color: #eef1ec;
  background: #1d211d;
  border-color: rgba(255, 255, 255, .14);
  box-shadow: 0 40px 120px rgba(0, 0, 0, .68);
  animation: ljw-lb-pop .3s cubic-bezier(.22, .61, .36, 1);
}
@keyframes ljw-lb-pop {
  from { opacity: 0; transform: translateY(14px) scale(.965); }
}
.portfolio-honor-dialog > header {
  min-height: 58px;
  background: #242924;
  border-bottom-color: rgba(255, 255, 255, .1);
}
.portfolio-honor-dialog > header span {
  color: #9aa598;
}
.portfolio-honor-dialog > header strong {
  color: #f2f5f0;
}
.portfolio-honor-dialog > header button {
  color: #e8ece7;
  background: transparent;
  border-color: rgba(255, 255, 255, .25);
  transition: background .2s ease, border-color .2s ease;
}
.portfolio-honor-dialog > header button:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .45);
}
.portfolio-honor-dialog-image {
  padding: 18px;
  background: #161a16;
}
.portfolio-honor-dialog-image img {
  max-height: calc(100svh - 150px);
  border-radius: 2px;
  cursor: zoom-in;
  transition: transform .3s cubic-bezier(.22, .61, .36, 1);
}
.portfolio-honor-dialog-image img.ljw-zoomed {
  cursor: zoom-out;
  transform: scale(2);
}
.portfolio-honor-dialog > footer {
  background: #242924;
  border-top-color: rgba(255, 255, 255, .1);
  color: #9aa598;
}
.portfolio-honor-dialog > footer strong {
  color: #e8ece7;
}
/* 灯箱前后切换按钮（脚本注入） */
.ljw-lb-nav {
  position: fixed;
  z-index: 150;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: #fff;
  background: rgba(20, 24, 20, .55);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  cursor: pointer;
  font-size: 19px;
  line-height: 1;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background .2s ease, border-color .2s ease;
}
.ljw-lb-nav:hover {
  background: rgba(47, 125, 75, .72);
  border-color: transparent;
}
.ljw-lb-prev { left: 18px; }
.ljw-lb-next { right: 18px; }
@media (max-width: 720px) {
  .ljw-lb-nav { width: 38px; height: 38px; font-size: 16px; }
  .ljw-lb-prev { left: 8px; }
  .ljw-lb-next { right: 8px; }
  .portfolio-honor-dialog-image img.ljw-zoomed {
    transform: scale(1.8);
  }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-honor-lightbox,
  .portfolio-honor-dialog {
    animation: none;
  }
  .portfolio-honor-dialog-image img {
    transition: none;
  }
}


/* ---------- 移动端微调 ---------- */
@media (max-width: 720px) {
  .portfolio-hero::before {
    background-size: 38px 38px;
  }
  .portfolio-nav {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}