/* ==========================================================================
   党菁洋 · 个人主页   样式表
   想改整体配色，只改下面 :root 里的颜色变量就行。
   ========================================================================== */

:root{
  --cream:#FAF8F4;
  --paper:#FFFFFF;
  --ink:#23201D;
  --muted:#6F665D;
  --gold:#A98545;
  --gold-soft:#EFE4CE;
  --jade:#2E4A3F;
  --line:rgba(35,32,29,.12);
  --shadow:0 18px 40px -28px rgba(35,32,29,.5);
  --max:1060px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--cream);color:var(--ink);
  font-family:var(--sans);font-size:16.5px;line-height:1.85;letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.35;margin:0}
p{margin:0 0 1em}
dd{margin:0}

.wrap{width:min(100% - 44px,var(--max));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip-link:focus{left:12px;top:12px}

/* ---------- 顶部导航 ---------- */
.nav{position:fixed;left:0;right:0;top:0;z-index:50;background:rgba(250,248,244,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.is-stuck{background:rgba(250,248,244,.94);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:16px}
.brand{display:flex;flex-direction:column;line-height:1.25;text-decoration:none}
.brand__cn{font-family:var(--serif);font-size:19px;letter-spacing:.14em}
.brand__en{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.nav__links{display:flex;gap:26px}
.nav__links a{position:relative;text-decoration:none;font-size:14.5px;color:#4A443E;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .3s}
.nav__links a:hover::after,.nav__links a[aria-current="true"]::after{right:0}
.nav__links a[aria-current="true"]{color:var(--gold)}
.nav__toggle{display:none;width:40px;height:34px;border:1px solid var(--line);border-radius:10px;
  background:rgba(255,255,255,.7);cursor:pointer;padding:9px 8px;gap:4px;flex-direction:column;justify-content:space-between}
.nav__toggle span{display:block;height:1.5px;background:var(--ink);border-radius:2px}

/* ---------- 首屏 ---------- */
.hero{padding:126px 0 78px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:.2em;color:var(--gold);margin:0 0 14px}
.hero__name{font-size:clamp(42px,7vw,68px);letter-spacing:.06em}
.hero__en{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);margin:10px 0 22px}
.hero__tagline{font-size:17px;color:#3E3833;max-width:30em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;
  border-radius:999px;border:1px solid transparent;text-decoration:none;font-size:15px;
  font-family:var(--sans);cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn--solid{background:var(--ink);color:#FDFBF7}
.btn--solid:hover{background:var(--jade);transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);background:rgba(255,255,255,.65)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.hero__portrait{position:relative;display:grid;place-items:center}
.portrait{position:relative;width:min(320px,70vw);aspect-ratio:1/1;margin:0;border-radius:50%;
  overflow:hidden;background:var(--gold-soft);border:1px solid var(--line);box-shadow:var(--shadow)}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait__empty{position:absolute;inset:0;display:none;place-items:center;
  font-family:var(--serif);font-size:15px;letter-spacing:.24em;color:#9C8757}
.portrait.is-empty img{display:none}
.portrait.is-empty .portrait__empty{display:grid}
.staff{position:absolute;right:-6px;top:50%;transform:translateY(-50%);width:120px;height:min(400px,92%);
  color:var(--gold);opacity:.35;pointer-events:none}

/* ---------- 通用小节 ---------- */
.section{padding:88px 0;scroll-margin-top:80px}
.section--tint{background:linear-gradient(180deg,#FFFFFF,#FBF7EF)}
.section__head{margin-bottom:36px}
.section__kicker{font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin:0 0 8px}
.section__head h2{font-size:clamp(24px,3.4vw,32px)}
.section__head::after{content:"";display:block;width:46px;height:2px;background:var(--gold);margin-top:16px}
.lead{color:var(--muted);font-size:16px;margin:-14px 0 26px}

/* ---------- 关于 ---------- */
.about{display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:start}
.about__body p{font-size:16.5px}
.about__body p:first-child::first-letter{font-family:var(--serif);font-size:2.5em;line-height:1;
  float:left;padding:.08em .14em 0 0;color:var(--gold)}
.facts{display:grid;gap:16px;margin:0;padding:24px;background:var(--paper);
  border:1px solid var(--line);border-radius:16px}
.facts dt{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-size:15px;margin-top:3px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;list-style:none;margin:0;padding:0 0 0 26px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline li{position:relative;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-24px;top:10px;width:9px;height:9px;border-radius:50%;
  background:var(--cream);border:2px solid var(--gold)}
.tl__time{font-size:13px;letter-spacing:.08em;color:var(--gold);margin:0}
.tl__title{font-family:var(--serif);font-size:18px;margin:2px 0 4px}
.tl__desc{font-size:15px;color:var(--muted);margin:0}

/* ---------- 项目卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:20px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px;
  transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--gold-soft)}
.card__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}
.card__title{font-family:var(--serif);font-size:19px;line-height:1.45}
.card__role{font-size:12.5px;color:var(--gold);white-space:nowrap}
.card__desc{font-size:15px;color:var(--muted);margin:0 0 16px}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.tags li{font-size:12.5px;padding:3px 11px;border-radius:999px;background:#F5F0E7;color:#6C5A38;border:1px solid #E9DFCC}

/* ---------- 奖项 ---------- */
.awards{display:grid;gap:10px;list-style:none;margin:28px 0 0;padding:0}
.awards li{display:flex;gap:12px;align-items:baseline;padding:13px 18px;font-size:15px;
  background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:12px}
.awards li::before{content:"✦";font-size:11px;color:var(--gold)}

/* ---------- 影像 ---------- */
.gallery{columns:3;column-gap:16px}
.gallery.is-two{columns:2}
.shot{position:relative;display:block;margin:0 0 16px;border-radius:14px;overflow:hidden;cursor:zoom-in;
  background:var(--paper);border:1px solid var(--line);break-inside:avoid;-webkit-column-break-inside:avoid}
.shot img{width:100%;height:auto;display:block;transition:transform .6s ease}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;color:#fff;font-size:13px;
  background:linear-gradient(transparent,rgba(20,18,16,.72))}
.shot__empty{position:absolute;inset:0;display:none;place-items:center;
  background:repeating-linear-gradient(45deg,#F8F3EA,#F8F3EA 10px,#F2EBDD 10px,#F2EBDD 20px);
  color:#A69069;font-family:var(--serif);font-size:15px;letter-spacing:.2em}
.shot.is-empty{cursor:default;aspect-ratio:4/5}
.shot.is-empty img,.shot.is-empty figcaption{display:none}
.shot.is-empty .shot__empty{display:grid}

/* ---------- 简历 ---------- */
.resume{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:start}
.resume__item{padding:0 0 20px 18px;border-left:2px solid var(--gold-soft)}
.resume__item:last-child{padding-bottom:0}
.resume__item h3{font-size:17px;margin:0 0 4px}
.resume__item ul{margin:8px 0 0;padding-left:18px;font-size:15px;color:var(--muted)}
.resume__item li{margin-bottom:4px}
.resume__dl{padding:26px 22px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:16px}
.resume__dl-title{font-family:var(--serif);font-size:18px;margin:0 0 6px}
.resume__dl-note{font-size:13.5px;color:var(--muted);margin:0 0 18px}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;justify-content:start}
.contact a,.contact .cl{display:block;max-width:420px;padding:18px 20px;text-decoration:none;background:var(--paper);
  border:1px solid var(--line);border-radius:14px;transition:transform .25s,border-color .25s;
  font-family:var(--sans);font-size:16.5px;color:var(--ink);text-align:left}
.contact a:hover,.contact .cl--copy:hover{transform:translateY(-2px);border-color:var(--gold)}
.contact .cl--copy{cursor:pointer;width:100%}
.cl__label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.cl__value{font-family:var(--serif);font-size:16px;margin-top:5px;word-break:break-all}
.cl__hint{margin-top:9px;font-size:12.5px;color:var(--gold);letter-spacing:.06em}

/* ---------- 页脚 ---------- */
.foot{margin-top:24px;padding:34px 0 46px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.foot__inner{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* ---------- 大图浮层 ---------- */
.lightbox{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;
  background:rgba(20,18,16,.88);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.lightbox[hidden]{display:none}
.lightbox__figure{margin:0;max-width:min(1000px,92vw);text-align:center}
.lightbox__figure img{max-height:78vh;width:auto;margin:0 auto;border-radius:10px}
.lightbox__figure figcaption{margin-top:14px;color:#EAE2D4;font-size:14px}
.lightbox__close{position:absolute;right:20px;top:16px;width:44px;height:44px;font-size:26px;line-height:1;
  color:#F3EDE3;background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:50%;cursor:pointer}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:940px){
  .hero{padding-top:108px}
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .hero__portrait{order:-1}
  .staff{display:none}
  .about,.resume{grid-template-columns:1fr;gap:28px}
}
@media (max-width:820px){
  .nav__toggle{display:flex}
  .nav__links{position:absolute;left:0;right:0;top:66px;display:none;flex-direction:column;gap:2px;
    padding:10px 22px 20px;background:rgba(252,250,247,.98);border-bottom:1px solid var(--line)}
  .nav__links a{padding:11px 0;font-size:16px;border-bottom:1px solid rgba(35,32,29,.06)}
  .nav__links a::after{display:none}
  .nav--open .nav__links{display:flex}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{width:min(100% - 34px,var(--max))}
  .section{padding:66px 0}
  .gallery{columns:2;column-gap:10px}
  .shot{margin-bottom:10px}
  .hero__actions .btn{flex:1 1 auto}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .shot img,.btn,.card{transition:none}
}

@media print{
  .nav,.hero__actions,.staff,.btn,.lightbox{display:none!important}
  body{background:#fff}
  .section{padding:18px 0;break-inside:avoid}
}