/* =========================================
   Jennifer Yu Portfolio — White Edition v3
   首页：Three.js 3D 环形轮播 + 白底单屏
   案例页：Lenis 视差滚动 + sticky 导航
   ========================================= */

:root{
  --bg:#fafafa;
  --bg-2:#f2f2f5;
  --bg-3:#e8e8ed;
  --ink:#0a0a0c;
  --ink-2:#2a2a2e;
  --ink-3:#6c6c75;
  --ink-4:#a0a0a8;
  --line:rgba(10,10,12,.06);
  --line-2:rgba(10,10,12,.12);
  --accent:#0a0a0c;
  --ease-out:cubic-bezier(.2,.7,.2,1);
  --ease-in-out:cubic-bezier(.65,.05,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  position:relative;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

::selection{background:var(--ink);color:#fff}

/* =========================================
   首页：巴黎 Bourse de Commerce 迷雾背景
   ========================================= */
.hero-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    url('../images/home/hero-bg-1080.jpg') center/cover no-repeat;
  background-color:#c9cdd1;
}
@media (min-width:1921px){
  .hero-bg{background-image:url('../images/home/hero-bg-1440.jpg');}
}
@media (min-width:2561px){
  .hero-bg{background-image:url('../images/home/hero-bg-2160.jpg');}
}

.hero-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse at 50% 55%, rgba(250,250,250,0) 0%, rgba(250,250,250,0.28) 55%, rgba(250,250,250,0.55) 100%),
    linear-gradient(180deg, rgba(250,250,250,0.42) 0%, rgba(250,250,250,0.12) 45%, rgba(250,250,250,0.38) 100%);
}

/* =========================================
   首页：极简导航
   ========================================= */
.nav-minimal{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;justify-content:space-between;align-items:center;
  padding:28px 36px;
  mix-blend-mode:difference;
}
.nav-logo{
  font-size:20px;font-weight:900;letter-spacing:-.03em;
  color:#fff;
  transition:opacity .3s var(--ease-out);
}
.nav-logo:hover{opacity:.6}
.nav-links{display:flex;gap:28px}
.nav-links a{
  font-size:12px;font-weight:500;letter-spacing:.08em;
  text-transform:uppercase;color:#fff;
  position:relative;padding-bottom:3px;
  transition:opacity .3s var(--ease-out);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:#fff;transition:width .35s var(--ease-out);
}
.nav-links a:hover{opacity:.85}
.nav-links a:hover::after{width:100%}

@media (max-width:600px){
  .nav-minimal{padding:20px 22px}
  .nav-links{gap:18px}
  .nav-links a{font-size:11px}
}

/* =========================================
   首页：Three.js 画布
   ========================================= */
.three-stage{
  position:fixed;inset:0;z-index:1;
  overflow:hidden;
  cursor:grab;
}
.three-stage:active{cursor:grabbing}
.three-stage canvas{display:block}

/* =========================================
   首页：标题 Overlay（仅 ARIA / SEO）
   ========================================= */
.hero-title-overlay{position:fixed;inset:0;z-index:0;pointer-events:none}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* =========================================
   首页：中央大标题（HTML 层）
   ========================================= */
/* =========================================
   首页：信息层 —— 标题四周辅助文案
   ========================================= */
.hero-layout{
  position:fixed;inset:0;z-index:5;pointer-events:none;
  display:grid;
  grid-template-columns:1fr minmax(0,720px) 1fr;
  grid-template-rows:1fr auto 1fr;
  padding:110px 36px 36px;
}
.home-meta{
  font-size:11px;
  font-weight:500;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(10,10,12,0.62);
  line-height:1.6;
}
.home-meta p{margin:0}
.meta-divider{display:inline-block;margin:0 8px;opacity:.35}

/* 左上：分类标签 */
.home-meta-tl{
  grid-column:1;grid-row:1;align-self:start;justify-self:start;
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}

/* 左中 */
.home-meta-left{
  grid-column:1;grid-row:2;align-self:center;justify-self:start;
  display:flex;flex-direction:column;gap:8px;
}
.home-meta-left .meta-large{
  font-size:12px;font-weight:700;letter-spacing:.12em;color:rgba(10,10,12,0.88);
}
.home-meta-left .meta-small{
  font-size:10px;letter-spacing:.08em;color:rgba(10,10,12,0.45);
}

/* 右中 */
.home-meta-right{
  grid-column:3;grid-row:2;align-self:center;justify-self:end;
  text-align:right;
  display:flex;flex-direction:column;gap:2px;
}
.home-meta-right p{
  font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:rgba(10,10,12,0.5);
}

/* 左下 */
.home-meta-bl{
  grid-column:1;grid-row:3;align-self:end;justify-self:start;
  display:flex;align-items:center;gap:12px;
}
.home-meta-bl .meta-year{font-weight:700;color:rgba(10,10,12,0.88);letter-spacing:.04em}
.home-meta-bl .meta-copy{color:rgba(10,10,12,0.45)}

/* 右下 */
.home-meta-br{
  grid-column:3;grid-row:3;align-self:end;justify-self:end;
  display:flex;align-items:center;gap:6px;
}

/* 导航 Logo 加长适配 */
.nav-logo{
  font-size:17px;font-weight:900;letter-spacing:-.04em;
  color:#fff;
  transition:opacity .3s var(--ease-out);
  white-space:nowrap;
}

@media (max-width:900px){
  .hero-layout{
    grid-template-columns:1fr 1fr;
    grid-template-rows:auto 1fr auto;
    padding:100px 24px 24px;
  }
  .home-meta-tl{grid-column:1/3;grid-row:1}
  .home-meta-left{display:none}
  .home-meta-right{
    grid-column:1/3;grid-row:3;align-self:end;justify-self:start;
    text-align:left;max-width:260px;
  }
  .home-meta-bl{grid-column:1;grid-row:4}
  .home-meta-br{grid-column:2;grid-row:4;justify-self:end}
}

@media (max-width:600px){
  .hero-layout{padding:88px 20px 20px}
  .home-meta{font-size:10px;letter-spacing:.08em}
  .home-meta-right{display:none}
  .home-meta-bl .meta-copy{display:none}
  .home-meta-br{display:none}
}

/* =========================================
   首页：悬停 Tooltip（液态磨砂玻璃风格）
   ========================================= */
.card-tooltip{
  position:fixed;left:50%;bottom:10%;transform:translateX(-50%);
  z-index:55;display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:18px 30px;
  background:rgba(250,250,250,.38);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  border:1px solid rgba(255,255,255,.55);
  border-radius:16px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.45) inset,
    0 6px 28px rgba(10,10,12,.06);
  opacity:0;visibility:hidden;
  transition:opacity .4s var(--ease-out),visibility .4s var(--ease-out),transform .4s var(--ease-out);
  pointer-events:none;
}
.card-tooltip.is-visible{opacity:1;visibility:visible}
.tooltip-title{
  font-size:18px;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);text-align:center;
}
.tooltip-sub{
  font-size:12px;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3);
}
.tooltip-hint{
  margin-top:10px;font-size:11px;font-weight:500;letter-spacing:.08em;
  color:var(--ink-4);text-transform:uppercase;
  animation:hint-pulse 2s ease-in-out infinite;
}
@keyframes hint-pulse{
  0%,100%{opacity:.5}
  50%{opacity:1}
}
@media (max-width:768px){
  .card-tooltip{padding:16px 24px;bottom:12%;border-radius:14px}
}

/* =========================================
   首页：底部提示
   ========================================= */
.hint-bar{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%);
  z-index:50;display:flex;align-items:center;gap:10px;
  font-size:11px;font-weight:500;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-4);
  pointer-events:none;
}
.hint-sep{color:var(--ink-4);opacity:.4}
.hint-text{transition:color .4s var(--ease-out)}

@media (max-width:768px){
  .hint-bar{bottom:28px;font-size:10px;gap:6px}
}

/* =========================================
   全站：滚动渐入（保留给非首页）
   ========================================= */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.reveal.is-in{opacity:1;transform:translateY(0)}
.reveal.from-left{transform:translateX(-40px)}
.reveal.from-left.is-in{transform:translateX(0)}
.reveal.from-right{transform:translateX(40px)}
.reveal.from-right.is-in{transform:translateX(0)}
.reveal.zoom-in{transform:scale(.94)}
.reveal.zoom-in.is-in{transform:scale(1)}

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

/* =========================================
   案例详情页 — 顶部大图 + 视差
   ========================================= */
.case-hero{
  position:relative;
  height:100vh;min-height:720px;
  width:100%;
  display:flex;align-items:flex-end;justify-content:flex-start;
  overflow:hidden;
  color:#fff;
  background:var(--ink);
}
.case-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.12);
  will-change:transform;
  transition:transform .1s linear;
}
.case-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,
    rgba(0,0,0,.25) 0%,
    rgba(0,0,0,.1) 40%,
    rgba(0,0,0,.4) 70%,
    rgba(0,0,0,.85) 100%);
  pointer-events:none;
}
.case-hero-content{
  position:relative;z-index:2;
  width:100%;
  padding:60px 60px 90px;
  display:flex;flex-direction:column;gap:24px;
}
.case-hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  opacity:.85;
}
.case-hero-eyebrow .num{
  display:inline-block;padding:5px 11px;border:1px solid rgba(255,255,255,.3);border-radius:99px;
}
.case-hero h1{
  font-size:clamp(48px,8vw,128px);
  font-weight:900;line-height:.95;letter-spacing:-.04em;
  max-width:90%;
}
.case-hero-summary{
  font-size:18px;font-weight:400;line-height:1.5;
  max-width:620px;opacity:.92;
}
.case-hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:18px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
}
.case-hero-meta div{display:flex;flex-direction:column;gap:4px}
.case-hero-meta .k{opacity:.55;font-size:10px}
.case-hero-meta .v{font-weight:600;font-size:13px;letter-spacing:.04em}

/* 滚动后 sticky 缩小标题 */
.case-sticky-title{
  position:sticky;top:0;z-index:30;
  padding:18px 60px;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line);
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
  opacity:0;transform:translateY(-100%);
  transition:opacity .4s var(--ease-out),transform .4s var(--ease-out);
}
.case-sticky-title.is-shown{opacity:1;transform:translateY(0)}
.case-sticky-title .progress{
  height:2px;width:120px;background:var(--bg-3);border-radius:99px;overflow:hidden;
}
.case-sticky-title .progress span{display:block;height:100%;background:var(--ink);width:0;transition:width .15s linear}

/* 案例内容容器 */
.case-wrap{
  max-width:1180px;margin:0 auto;padding:120px 60px 140px;
}
.case-section{margin-bottom:140px;position:relative}
.case-section h2{
  font-size:clamp(28px,4vw,48px);font-weight:800;letter-spacing:-.02em;line-height:1.05;
  margin-bottom:36px;color:var(--ink);
}

/* ---- 案例页：浮动装饰插图 ---- */
.deco-img{
  position:absolute;
  width:120px;
  height:auto;
  pointer-events:none;
  filter:drop-shadow(0 16px 24px rgba(20,20,30,.12));
  opacity:.95;
  transition:transform .6s var(--ease-out),opacity .6s;
}
.deco-img.deco-beer{top:-20px;right:40px;width:130px;transform:rotate(8deg)}
.deco-img.deco-drink{top:0;right:60px;width:110px;transform:rotate(-10deg)}
.deco-img.deco-burger{top:0;right:40px;width:140px;transform:rotate(6deg)}
.deco-img.deco-dj{bottom:40px;right:20px;width:170px;transform:rotate(-4deg)}
.case-section.is-in .deco-img{transform:rotate(0deg) scale(1.05)}

@media(max-width:900px){
  .deco-img{display:none}
}
.case-section h2 .accent{color:var(--ink-3);font-weight:300;font-style:italic}
.case-section p,.case-section li{
  font-size:17px;line-height:1.7;color:var(--ink-2);
}
.case-section p{margin-bottom:18px;max-width:740px}

/* ---- 案例页：文字分段上浮入场 ---- */
.mask-reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .65s var(--ease-out),transform .65s var(--ease-out);
}
.mask-reveal.is-in{
  opacity:1;
  transform:translateY(0);
}
.mask-reveal.delay-1{transition-delay:.08s}
.mask-reveal.delay-2{transition-delay:.16s}
.mask-reveal.delay-3{transition-delay:.24s}
.mask-reveal.delay-4{transition-delay:.32s}

/* ---- 案例页：图片缩放入场 ---- */
.img-scale-in{
  opacity:0;transform:scale(.94) translateY(18px);
  transition:opacity .65s var(--ease-out),transform .65s var(--ease-out);
}
.img-scale-in.is-in{opacity:1;transform:scale(1) translateY(0)}
.img-scale-in.delay-1{transition-delay:.1s}
.img-scale-in.delay-2{transition-delay:.2s}

/* ---- 案例页：Hero 大图滚动视差 ---- */
.case-hero-bg.parallax-active{
  transform:scale(1.12) translateY(0);
  transition:transform .15s linear;
}

/* ---- 案例页：双端对比展示 ---- */
.compare-row{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;
}
.compare-card{
  display:flex;flex-direction:column;gap:12px;
  min-width:0;
}
.compare-card .label,
.case-figure .label{
  font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-4);
}
.compare-card .img-wrap{
  border-radius:14px;overflow:hidden;
  background:var(--bg-2);
  box-shadow:0 16px 40px -16px rgba(20,20,30,.14);
  display:flex;align-items:center;justify-content:center;
  min-height:60px;
}
.compare-card .img-wrap img{
  display:block;max-width:100%;height:auto;
}
.compare-card.mobile .img-wrap{
  width:fit-content;
  max-width:300px;
  margin:0 auto;
  align-items:flex-start;
  border-radius:18px;
  box-shadow:0 24px 60px -20px rgba(20,20,30,.22);
}
.compare-card.mobile .img-wrap img{
  width:auto;
  max-width:100%;
  margin:0 auto;
}
.compare-card.desktop .img-wrap img{
  width:100%;
}

/* ---- 案例页：Final design 限定高度可滚动 ---- */
.compare-card .img-wrap.scrollable{
  max-height:68vh;
  overflow-y:auto;
  overflow-x:hidden;
  align-items:flex-start;
  position:relative;
}
.compare-card .img-wrap.scrollable img{
  width:auto;
  max-width:100%;
  height:auto;
  display:block;
  margin:0 auto;
}
/* 移动端scrollable保持手机形态：容器宽度贴合图片自然宽度 */
.compare-card.mobile .img-wrap.scrollable{
  width:fit-content;
  max-width:300px;
  margin:0 auto;
}
.scroll-hint{
  position:absolute;
  bottom:12px;left:50%;
  transform:translateX(-50%);
  z-index:3;
  display:inline-flex;
  align-items:center;gap:4px;
  padding:6px 12px;
  border-radius:99px;
  background:rgba(10,10,12,.55);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:11px;font-weight:500;letter-spacing:.04em;
  pointer-events:none;
  animation:hint-bob 1.8s ease-in-out infinite;
}
@keyframes hint-bob{
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(-4px)}
}
.compare-card .img-wrap.scrollable::-webkit-scrollbar{width:6px}
.compare-card .img-wrap.scrollable::-webkit-scrollbar-thumb{background:rgba(10,10,12,.2);border-radius:99px}

/* ---- 案例页：插图画廊 ---- */
.gallery-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.gallery-row .gallery-item{
  border-radius:14px;overflow:hidden;
  background:var(--bg-2);
  box-shadow:0 12px 32px -12px rgba(20,20,30,.08);
  display:flex;align-items:center;justify-content:center;
  min-height:140px;
}
.gallery-row .gallery-item img{
  display:block;max-width:100%;max-height:240px;width:auto;height:auto;
}

/* ---- 案例页：Style Guide 展示（2×2 居中） ---- */
.styleguide-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:28px;
  max-width:980px;margin:24px auto 0;
}
.styleguide-grid .sg-card{
  border-radius:16px;overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:0 8px 24px -8px rgba(20,20,30,.06);
  display:flex;align-items:center;justify-content:center;
  min-height:120px;
}
.styleguide-grid .sg-card img{
  display:block;width:100%;height:auto;
}

@media (max-width:768px){
  .compare-row,.gallery-row{grid-template-columns:1fr;gap:20px}
  .compare-card.mobile .img-wrap{max-width:100%}
  .gallery-row{grid-template-columns:repeat(2,1fr)}
  .styleguide-grid{grid-template-columns:1fr}
}

.case-grid-2{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
}
.case-grid-2.reverse{direction:rtl}
.case-grid-2.reverse > *{direction:ltr}

/* 大图卡 */
.case-figure{
  border-radius:18px;overflow:hidden;
  background:var(--bg-2);
  position:relative;
  box-shadow:0 24px 60px -20px rgba(20,20,30,.18);
  display:flex;align-items:center;justify-content:center;
  min-height:60px;
}
.case-figure img,.case-figure .ph{
  display:block;max-width:100%;height:auto;
}
.case-figure .ph{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink-4);font-weight:500}

/* 当 case-figure 明确指定了较大宽度（如 max-width:380px/600px）时，图片居中展示 */
.case-figure > img{
  margin:0 auto;
}

/* 信息块 */
.kv-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px 40px;margin-top:24px;
}
.kv-grid .kv{padding:18px 0;border-top:1px solid var(--line)}
.kv-grid .k{font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-4);margin-bottom:6px}
.kv-grid .v{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4}

/* 时间线 */
.timeline{position:relative;margin-top:24px;padding-left:24px;border-left:1px solid var(--line-2)}
.timeline li{
  list-style:none;padding:0 0 28px 24px;position:relative;
  font-size:15px;color:var(--ink-2);line-height:1.5;
}
.timeline li::before{
  content:"";position:absolute;left:-30px;top:6px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--ink);
  transition:transform .3s var(--ease-out);
}
.timeline li:hover::before{transform:scale(1.35)}
.timeline li b{color:var(--ink);font-weight:700}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-block;padding:7px 14px;border:1px solid var(--line-2);border-radius:99px;
  font-size:12px;font-weight:500;color:var(--ink-2);letter-spacing:.02em;
  background:rgba(255,255,255,.6);
  transition:all .3s var(--ease-out);
}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}

/* CTA 区 */
.case-cta{
  margin:120px 0 0;padding:80px 60px;
  background:var(--ink);color:#fff;border-radius:24px;
  display:flex;flex-direction:column;gap:24px;align-items:flex-start;
  position:relative;overflow:hidden;
}
.case-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 80% at 80% 20%,rgba(160,80,255,.18) 0%,transparent 60%),
             radial-gradient(50% 70% at 10% 100%,rgba(255,180,80,.15) 0%,transparent 60%);
  pointer-events:none;
}
.case-cta h3{font-size:clamp(32px,5vw,56px);font-weight:900;letter-spacing:-.02em;line-height:1.05;position:relative}
.case-cta p{font-size:16px;opacity:.7;max-width:560px;position:relative}
.case-cta a.cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 28px;border-radius:99px;background:#fff;color:var(--ink);
  font-weight:600;font-size:14px;letter-spacing:.04em;
  transition:transform .3s var(--ease-out);
  position:relative;
}
.case-cta a.cta-btn:hover{transform:translateY(-3px)}

/* 案例页移动端 */
@media (max-width:900px){
  .case-hero-content{padding:40px 24px 60px}
  .case-wrap{padding:60px 24px 80px}
  .case-sticky-title{padding:14px 22px}
  .case-section{margin-bottom:80px}
  .case-grid-2{grid-template-columns:1fr;gap:24px}
  .kv-grid{grid-template-columns:1fr;gap:8px}
  .case-cta{padding:48px 28px;margin-top:60px}
}

/* =========================================
   通用页（关于/联系/作品集）— 保留
   ========================================= */
.page{padding:120px 60px 140px;max-width:1200px;margin:0 auto}
.page h1{font-size:clamp(40px,6vw,84px);font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:32px}
.page h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:24px}
.page p{font-size:16px;line-height:1.7;color:var(--ink-2);max-width:720px;margin-bottom:16px}

@media (max-width:600px){
  .page{padding:90px 24px 80px}
}

/* =========================================
   作品集列表页（work.html）
   ========================================= */
.work-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:40px;
  max-width:1200px;margin:0 auto;padding:120px 60px 140px;
}
.work-card{
  border-radius:20px;overflow:hidden;background:var(--bg-2);
  transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out);
  box-shadow:0 12px 32px -12px rgba(20,20,30,.1);
}
.work-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -16px rgba(20,20,30,.2)}
.work-card-thumb{width:100%;aspect-ratio:4/3;overflow:hidden;background:var(--bg-3)}
.work-card-thumb img,.work-card-thumb .ph{width:100%;height:100%;object-fit:cover}
.work-card-body{padding:24px;display:flex;flex-direction:column;gap:8px}
.work-card-body .cat{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4);font-weight:600}
.work-card-body h3{font-size:22px;font-weight:800;letter-spacing:-.01em}
.work-card-body p{font-size:14px;line-height:1.5;color:var(--ink-2)}

@media (max-width:768px){
  .work-grid{grid-template-columns:1fr;padding:100px 24px 80px;gap:24px}
}

/* =========================================
   关于页（about.html）
   ========================================= */
.about-layout{
  max-width:1200px;margin:0 auto;padding:120px 60px 140px;
  display:grid;grid-template-columns:1fr 1.2fr;gap:60px;
}
.about-sidebar{position:sticky;top:120px;align-self:start}
.about-sidebar .avatar{
  width:120px;height:120px;border-radius:50%;background:var(--bg-3);
  margin-bottom:28px;
  display:flex;align-items:center;justify-content:center;
  font-size:48px;font-weight:900;color:var(--ink);
}
.about-sidebar h1{font-size:clamp(36px,5vw,56px);font-weight:900;letter-spacing:-.02em;margin-bottom:12px}
.about-sidebar .role{font-size:14px;color:var(--ink-3);font-weight:500;letter-spacing:.04em}

.about-content h2{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px;margin-top:48px}
.about-content h2:first-child{margin-top:0}
.about-content p{font-size:16px;line-height:1.75;color:var(--ink-2);margin-bottom:16px}

.skill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.skill-tag{
  padding:8px 16px;border-radius:99px;background:var(--bg-2);
  font-size:13px;font-weight:500;color:var(--ink-2);
  transition:all .3s var(--ease-out);
}
.skill-tag:hover{background:var(--ink);color:#fff}

.about-tabs{display:flex;gap:20px;margin-bottom:32px;border-bottom:1px solid var(--line)}
.about-tab{
  padding:12px 0;font-size:14px;font-weight:600;letter-spacing:.02em;
  color:var(--ink-4);cursor:pointer;position:relative;transition:color .3s;
}
.about-tab.is-active{color:var(--ink)}
.about-tab.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink);
}

@media (max-width:768px){
  .about-layout{grid-template-columns:1fr;padding:100px 24px 80px;gap:40px}
  .about-sidebar{position:static}
}

/* =========================================
   联系页（contact.html）
   ========================================= */
.contact-layout{
  max-width:1200px;margin:0 auto;padding:120px 60px 140px;
}
.contact-layout h1{margin-bottom:12px}
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:48px;
}
.contact-channels{display:flex;flex-direction:column;gap:28px}
.contact-channel{
  display:flex;align-items:center;gap:18px;
  padding:20px 24px;border-radius:16px;background:var(--bg-2);
  transition:all .3s var(--ease-out);
}
.contact-channel:hover{background:var(--bg-3);transform:translateX(4px)}
.contact-channel .ch-icon{
  width:44px;height:44px;border-radius:12px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:var(--ink);
  flex-shrink:0;
}
.contact-channel .ch-info{display:flex;flex-direction:column;gap:2px}
.contact-channel .ch-label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-4);font-weight:600}
.contact-channel .ch-value{font-size:16px;font-weight:600;color:var(--ink)}

.contact-form{display:flex;flex-direction:column;gap:20px}
.contact-form input,.contact-form textarea{
  width:100%;padding:16px 18px;border:1px solid var(--line-2);border-radius:12px;
  font:inherit;font-size:15px;background:var(--bg);
  transition:border-color .3s var(--ease-out);
  outline:none;resize:vertical;
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--ink)}
.contact-form button{
  align-self:flex-start;padding:15px 32px;border-radius:99px;
  background:var(--ink);color:#fff;font-weight:600;font-size:14px;
  transition:transform .3s var(--ease-out),opacity .3s;
}
.contact-form button:hover{transform:translateY(-2px)}

@media (max-width:768px){
  .contact-layout{padding:100px 24px 80px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
}

/* =========================================
   底部链接（meta-bottom 暂留 for old pages）
   ========================================= */
.meta-bottom{
  position:fixed;bottom:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 36px;font-size:11px;font-weight:500;letter-spacing:.04em;
  text-transform:uppercase;color:var(--ink-3);
  pointer-events:none;
}
.meta-bottom a{pointer-events:auto}