/* ============================================================
   王聪聪 · 简历 v2  —  暖调编辑杂志风 / 亮暗双主题
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root{
  --serif:"Fraunces","Noto Serif SC",Georgia,"Songti SC",serif;
  --sans:"Noto Sans SC",-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --maxw:1140px;
  --green:#2f5d50;   /* 墨绿点缀 */
  --rust:#a4442f;    /* 砖红点缀 */
  --ease:cubic-bezier(.22,.61,.36,1);
}
:root[data-theme="light"]{
  --paper:#f4f0e7;        /* 米白暖纸 */
  --paper-2:#efe9dc;      /* 略深纸 */
  --card:#faf7f0;
  --ink:#22201c;          /* 主文字（暖黑） */
  --ink-2:#4a463f;        /* 次文字 */
  --ink-3:#807a6e;        /* 弱文字 */
  --line:#ddd5c5;         /* 细分隔线 */
  --line-2:#cfc6b3;
  --accent:var(--green);
  --accent-2:var(--rust);
  --shadow:0 1px 0 rgba(0,0,0,.04);
}
:root[data-theme="dark"]{
  --paper:#16140f;        /* 暖黑 */
  --paper-2:#1c1a13;
  --card:#201d16;
  --ink:#f0ebde;
  --ink-2:#c4bdae;
  --ink-3:#8c8677;
  --line:#332f25;
  --line-2:#40392c;
  --accent:#7bb8a5;       /* 暗态提亮的墨绿 */
  --accent-2:#d98466;     /* 暗态提亮的砖红 */
  --shadow:none;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .5s var(--ease),color .5s var(--ease);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
em{font-style:normal;color:var(--accent-2);font-weight:500}
::selection{background:var(--accent);color:var(--paper)}

::-webkit-scrollbar{width:11px}
::-webkit-scrollbar-track{background:var(--paper)}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:0;border:3px solid var(--paper)}

/* 隐藏系统光标（有像素猫时），触屏/无 hover 时恢复 */
@media (hover:hover) and (pointer:fine){
  body.has-cat, body.has-cat a, body.has-cat button{cursor:none}
}

/* ---------- 顶部进度 ---------- */
.page-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:200;background:var(--accent-2);transition:width .1s linear}

/* ---------- 像素猫光标 ---------- */
.pixel-cat{position:fixed;top:0;left:0;z-index:300;pointer-events:none;transform:translate(-50%,-50%);
  filter:drop-shadow(0 1px 1px rgba(0,0,0,.25));display:none}
.pixel-cat svg rect{fill:var(--ink)}
.pixel-cat .cat-eye{fill:var(--paper)}
.pixel-cat .cat-nose{fill:var(--accent-2)}
.pixel-cat .cat-tail{transform-origin:2px 8px;animation:tail 2.4s var(--ease) infinite}
@keyframes tail{0%,100%{transform:rotate(0)}50%{transform:rotate(-16deg)}}
.pixel-cat.pounce .cat-tail{animation:tailfast .4s var(--ease) infinite}
@keyframes tailfast{0%,100%{transform:rotate(6deg)}50%{transform:rotate(-24deg)}}
.pixel-cat.blink .cat-eye{transform:scaleY(.15);transform-origin:center}
@media (hover:hover) and (pointer:fine){.pixel-cat{display:block}}

/* ---------- 揭示动画（克制） ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.pixel-cat{display:none!important}.cat-tail{animation:none}}

/* ---------- 顶栏 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:120;display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,54px);border-bottom:1px solid transparent;
  transition:padding .4s var(--ease),background .4s,border-color .4s}
.nav.scrolled{padding:12px clamp(20px,5vw,54px);background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:.02em}
.brand-en{font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-3)}
.nav-links{display:flex;gap:2px}
.nav-links a{position:relative;padding:8px 15px;font-size:14.5px;color:var(--ink-2);font-weight:500;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:10px}
.theme-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:50%;
  background:transparent;color:var(--ink);cursor:pointer;transition:border-color .3s,background .3s,transform .3s}
.theme-btn:hover{border-color:var(--accent);transform:rotate(12deg)}
.theme-btn .ic-moon{display:none}
:root[data-theme="dark"] .theme-btn .ic-sun{display:none}
:root[data-theme="dark"] .theme-btn .ic-moon{display:block}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 区块通用 ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(64px,9vw,120px) clamp(20px,5vw,40px)}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:44px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.sec-no{font-family:var(--serif);font-size:14px;color:var(--accent-2);font-weight:600;letter-spacing:.05em}
.sec-head h2{font-family:var(--serif);font-size:clamp(26px,3.6vw,40px);font-weight:600;letter-spacing:-.01em;line-height:1.1}
.sec-en{margin-left:auto;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-3);align-self:flex-end}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;font-size:14.5px;font-weight:500;
  border-radius:2px;transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn-solid{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn-solid:hover{background:var(--accent);border-color:var(--accent);color:var(--paper);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn-line:hover{border-color:var(--ink);transform:translateY(-2px)}

/* ============ HERO ============ */
.hero{max-width:var(--maxw);margin:0 auto;padding:clamp(120px,16vh,180px) clamp(20px,5vw,40px) clamp(50px,8vw,90px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,64px);align-items:center}
.kicker{display:flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
.kicker-no{color:var(--accent-2);font-weight:600}
.kicker-sep{opacity:.5}
.hero-name{font-family:var(--serif);font-size:clamp(64px,11vw,132px);font-weight:600;line-height:.94;letter-spacing:-.02em;margin-bottom:26px}
.hero-lead{font-size:clamp(17px,2vw,21px);line-height:1.7;color:var(--ink-2);max-width:560px;margin-bottom:30px;font-weight:400}
.hero-lead b{font-weight:600;color:var(--ink)}
.hero-lead em{border-bottom:1.5px solid var(--accent);padding-bottom:1px}

/* 方向切换器 */
.track-switch{position:relative;display:inline-flex;padding:5px;border:1px solid var(--line-2);border-radius:3px;background:var(--card);margin-bottom:22px}
.track-ind{position:absolute;top:5px;left:5px;bottom:5px;width:calc(50% - 5px);background:var(--ink);border-radius:2px;transition:transform .4s var(--ease)}
:root[data-track="live"] .track-ind{transform:translateX(100%)}
.track-btn{position:relative;z-index:1;padding:9px 20px;font-size:14px;font-weight:600;color:var(--ink-2);background:none;border:none;cursor:pointer;transition:color .3s;font-family:var(--sans);white-space:nowrap}
:root[data-track="agent"] .track-btn[data-track-btn="agent"],
:root[data-track="live"]  .track-btn[data-track-btn="live"]{color:var(--paper)}
.track-line{font-size:15.5px;color:var(--ink-2);max-width:560px;margin-bottom:30px;min-height:3.4em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 方向显隐 */
[data-track-text],[data-track] [data-track]{display:none}
:root[data-track="agent"] [data-track="agent"],
:root[data-track="live"]  [data-track="live"]{display:block}
:root[data-track="agent"] [data-track-text="agent"],
:root[data-track="live"]  [data-track-text="live"]{display:inline}
/* 行内元素方向显隐（hero-lead 里的 b、track-line 里的 span） */
.hero-lead [data-track],.track-line [data-track]{display:none}
:root[data-track="agent"] .hero-lead [data-track="agent"],
:root[data-track="live"]  .hero-lead [data-track="live"],
:root[data-track="agent"] .track-line [data-track="agent"],
:root[data-track="live"]  .track-line [data-track="live"]{display:inline}

/* 人像 */
.hero-portrait{display:flex;flex-direction:column;gap:14px}
.portrait{position:relative;border-radius:3px;overflow:hidden;border:1px solid var(--line-2);background:var(--card)}
.portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:saturate(1.02)}
.portrait figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 18px 16px;
  background:linear-gradient(to top,rgba(0,0,0,.72),transparent);color:#fff}
.pc-tag{display:inline-block;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;padding:3px 9px;border:1px solid rgba(255,255,255,.5);border-radius:2px;margin-bottom:8px}
.pc-name{display:block;font-family:var(--serif);font-size:20px;font-weight:600}
.pc-name em{color:rgba(255,255,255,.82);font-size:12.5px;font-weight:400;margin-left:6px;border:none}
.portrait-note{display:flex;justify-content:flex-end}
.pn-line{font-size:13px;color:var(--ink-3);letter-spacing:.03em}

/* ============ 关于 ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.about-lead{font-family:var(--serif);font-size:clamp(22px,2.8vw,30px);line-height:1.5;font-weight:400;letter-spacing:-.01em}
.about-lead em{border-bottom:2px solid var(--accent);padding-bottom:1px}
.about-body p{color:var(--ink-2);font-size:16px;margin-bottom:16px}
.about-body .muted{color:var(--ink-3)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:16px 30px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.facts div{display:flex;flex-direction:column}
.facts dt{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:3px}
.facts dd{font-family:var(--serif);font-size:17px;font-weight:500}

/* ============ 方向 / 技能 ============ */
.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,60px);align-items:start}
.focus-intro p{font-size:16.5px;color:var(--ink-2);margin-bottom:22px}
.chips>div{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13px;padding:6px 13px;border:1px solid var(--line-2);border-radius:2px;color:var(--ink-2);background:var(--card)}
.chips span.dim{color:var(--ink-3);border-style:dashed}
.skills>div{display:flex;flex-direction:column;gap:20px}
.skill-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.skill-top b{font-size:15.5px;font-weight:600}
.skill-top span{font-size:12px;color:var(--accent-2);letter-spacing:.04em}
.skill-bar{height:3px;background:var(--line);position:relative;overflow:hidden}
.skill-bar i{display:block;height:100%;width:0;background:var(--accent);transition:width 1.2s var(--ease)}
.skill-bar.in i{width:var(--w)}

/* ============ 项目 ============ */
.proj{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,40px);padding:34px 0;border-top:1px solid var(--line)}
.proj:first-of-type{border-top:none}
.proj-no{font-family:var(--serif);font-size:clamp(28px,4vw,44px);font-weight:500;color:var(--line-2);line-height:1}
.proj-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.proj-head h3{font-family:var(--serif);font-size:clamp(20px,2.6vw,27px);font-weight:600;letter-spacing:-.01em}
.proj-meta{display:inline-flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);white-space:nowrap}
.live-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--accent);padding:3px 10px;border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);border-radius:2px}
.live-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);animation:blip 2s var(--ease) infinite}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.3}}
.proj-lead{font-size:16.5px;color:var(--ink-2);margin-bottom:18px;max-width:660px}
.proj-pts{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:20px}
.proj-pts li{font-size:14.8px;color:var(--ink-2);padding-left:18px;position:relative;line-height:1.65}
.proj-pts li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--accent-2);transform:rotate(45deg)}
.proj-pts b{color:var(--ink);font-weight:600;margin-right:6px}
.proj-link{display:inline-block;font-size:14px;font-weight:600;color:var(--accent);border-bottom:1px solid transparent;transition:border-color .3s,color .3s;padding-bottom:2px}
.proj-link:hover{border-color:var(--accent)}

.ai-note{margin-top:34px;padding:30px 34px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent-2)}
.ai-note-k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2);font-weight:600;display:block;margin-bottom:12px}
.ai-note p{font-size:16px;color:var(--ink-2);max-width:760px}

/* ============ 经历 ============ */
.exp-list{display:flex;flex-direction:column}
.exp{display:grid;grid-template-columns:180px 1fr;gap:clamp(16px,3vw,40px);padding:30px 0;border-top:1px solid var(--line)}
.exp:first-child{border-top:none}
.exp-when{font-family:var(--serif);font-size:15px;color:var(--ink-3);padding-top:3px}
.exp-body h3{font-family:var(--serif);font-size:21px;font-weight:600;margin-bottom:5px}
.exp-body h3 span{font-family:var(--sans);font-size:13.5px;font-weight:500;color:var(--accent-2);margin-left:8px}
.exp-body p{font-size:15.5px;color:var(--ink-2);max-width:680px}

/* ============ 影像 ============ */
.gallery-intro{font-size:16px;color:var(--ink-2);margin:-24px 0 34px;max-width:600px}
.masonry{columns:3;column-gap:14px}
.ph{position:relative;break-inside:avoid;margin-bottom:14px;overflow:hidden;cursor:pointer;border:1px solid var(--line)}
body.has-cat .ph{cursor:none}
.ph picture{display:block}
.ph img{width:100%;height:auto;display:block;transition:transform .8s var(--ease),filter .5s}
.ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:32px 14px 12px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(0,0,0,.7),transparent);opacity:0;transform:translateY(8px);
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.ph:hover img{transform:scale(1.05)}
.ph:hover figcaption{opacity:1;transform:none}

/* ============ 联系 ============ */
.contact-grid{max-width:720px}
.contact-lead{font-family:var(--serif);font-size:clamp(22px,3vw,30px);line-height:1.4;margin-bottom:36px;font-weight:400}
.contact-list{list-style:none;border-top:1px solid var(--line);margin-bottom:32px}
.contact-list li{display:flex;align-items:baseline;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.cl-k{flex:0 0 110px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.contact-list a{font-family:var(--serif);font-size:clamp(17px,2.2vw,22px);font-weight:500;border-bottom:1px solid transparent;transition:border-color .3s,color .3s;padding-bottom:2px}
.contact-list a:hover{color:var(--accent);border-color:var(--accent)}
.contact-cv{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.footer{max-width:var(--maxw);margin:0 auto;padding:40px clamp(20px,5vw,40px) 56px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline}
.foot-name{font-family:var(--serif);font-size:16px;font-weight:600}
.foot-note{font-size:13px;color:var(--ink-3)}
.foot-copy{margin-left:auto;font-size:12.5px;color:var(--ink-3)}

/* ============ 灯箱 ============ */
.lightbox{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--paper) 96%,#000);opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:88vw;max-height:82vh;border:1px solid var(--line-2);transform:scale(.96);transition:transform .35s var(--ease)}
.lightbox.open img{transform:scale(1)}
.lb-close,.lb-prev,.lb-next{position:absolute;background:var(--card);border:1px solid var(--line-2);color:var(--ink);cursor:pointer;
  display:grid;place-items:center;transition:.25s var(--ease)}
body.has-cat .lb-close,body.has-cat .lb-prev,body.has-cat .lb-next{cursor:none}
.lb-close{top:22px;right:22px;width:46px;height:46px;font-size:24px;border-radius:50%}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:50px;height:50px;font-size:28px;border-radius:50%}
.lb-prev{left:22px}.lb-next{right:22px}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.lb-prev:hover,.lb-next:hover{transform:translateY(-50%) scale(1.06)}
.lb-cap{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-family:var(--serif);font-size:15px;color:var(--ink-2)}

/* ============ 响应式 ============ */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-portrait{order:-1;max-width:380px}
  .about-grid,.focus-grid{grid-template-columns:1fr;gap:32px}
  .masonry{columns:2}
  .sec-en{display:none}
}
@media (max-width:640px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(76vw,300px);flex-direction:column;justify-content:center;gap:6px;
    padding:40px;background:var(--paper-2);border-left:1px solid var(--line);transform:translateX(100%);
    transition:transform .42s var(--ease)}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:14px 18px;font-size:16px;text-align:center}
  .nav-toggle{display:flex;z-index:130}
  .proj{grid-template-columns:1fr;gap:8px}
  .proj-no{font-size:26px}
  .exp{grid-template-columns:1fr;gap:6px}
  .masonry{columns:1}
  .facts{grid-template-columns:1fr 1fr}
  .footer{flex-direction:column}
  .foot-copy{margin-left:0}
  .track-switch{width:100%}.track-btn{flex:1}
}