/* ============================================================
   李明晓（安布）· 运营作品集  |  纯静态样式，无外部依赖
   ============================================================ */
:root{
  --paper:#f6f4ef;
  --paper-2:#efece5;
  --card:#fbfaf7;
  --ink:#1b1a17;
  --ink-2:#3a372f;
  --muted:#7c766a;
  --faint:#a8a194;
  --line:#e3ded3;
  --gold:#9a7b4a;
  --gold-deep:#7d6138;
  --gold-soft:#c8b48d;
  --shadow:0 18px 50px -22px rgba(40,34,22,.28);
  --shadow-sm:0 6px 22px -10px rgba(40,34,22,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--ink-2);background:var(--paper);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--gold-soft);color:#fff}

/* ---------- 通用 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.serif{font-family:var(--serif)}
.eyebrow{
  font-size:12px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase;
  font-weight:600;display:inline-flex;align-items:center;gap:12px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.sec-title{font-family:var(--serif);font-size:clamp(26px,3.2vw,38px);font-weight:700;color:var(--ink);letter-spacing:.02em;line-height:1.3}
.sec-sub{color:var(--muted);margin-top:12px;max-width:680px;font-size:15.5px}
section.block{padding:96px 0}
.view{display:none;animation:fadeUp .55s ease both}
.view.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.tip{
  display:inline-flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--gold-deep);
  background:#f3ecdd;border:1px dashed var(--gold-soft);border-radius:8px;padding:8px 12px;line-height:1.6;
}
.tip::before{content:"待补充";flex:none;font-weight:700;font-size:11px;background:var(--gold);color:#fff;border-radius:4px;padding:1px 6px;letter-spacing:.05em;margin-top:1px}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(246,244,239,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.nav.scrolled{border-color:var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--ink);letter-spacing:.04em;display:flex;align-items:baseline;gap:10px}
.brand small{font-family:var(--sans);font-size:11px;letter-spacing:.28em;color:var(--gold);font-weight:600}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  font-size:14px;color:var(--ink-2);padding:8px 14px;border-radius:999px;transition:.25s;letter-spacing:.03em;
}
.nav-links a:hover{color:var(--gold-deep);background:#efe9dc}
.nav-links a.cur{color:var(--gold-deep);background:#efe9dc}
.nav-cta{background:var(--ink)!important;color:#fbfaf7!important;padding:9px 18px!important}
.nav-cta:hover{background:var(--gold-deep)!important}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:95}
.burger span{width:22px;height:2px;background:var(--ink);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;background:var(--paper);z-index:89;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:var(--serif);font-size:24px;color:var(--ink);padding:12px}

/* ---------- 首屏 HERO ---------- */
.hero{min-height:100vh;display:flex;align-items:center;padding:120px 0 70px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-180px;top:8%;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,180,141,.22),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:64px;align-items:center;position:relative;z-index:2}
.hero-name{font-family:var(--serif);font-size:clamp(40px,6vw,68px);font-weight:800;color:var(--ink);line-height:1.12;letter-spacing:.04em}
.hero-name em{font-style:normal;color:var(--gold-deep);position:relative}
.hero-pen{margin-top:10px;color:var(--muted);font-size:15px;letter-spacing:.18em}
.role-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 24px}
.role-tags span{
  border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 18px;
  font-size:14px;color:var(--ink);letter-spacing:.06em;box-shadow:var(--shadow-sm);
}
.hero-intro{font-size:16.5px;color:var(--ink-2);max-width:560px;line-height:2}
.hero-btns{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:14.5px;
  letter-spacing:.06em;transition:.28s;font-weight:600;
}
.btn-primary{background:var(--ink);color:#fbfaf7}
.btn-primary:hover{background:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fbfaf7;transform:translateY(-2px)}
.hero-portrait{position:relative;justify-self:center}
.hero-portrait .frame{
  width:min(380px,80vw);aspect-ratio:1/1;border-radius:46% 54% 52% 48%/48% 46% 54% 52%;overflow:hidden;
  border:1px solid var(--gold-soft);padding:10px;background:var(--card);box-shadow:var(--shadow);
  animation:morph 12s ease-in-out infinite;
}
.hero-portrait .frame img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
@keyframes morph{
  0%,100%{border-radius:46% 54% 52% 48%/48% 46% 54% 52%}
  50%{border-radius:54% 46% 48% 52%/52% 54% 46% 48%}
}
.hero-badge{
  position:absolute;left:-26px;bottom:36px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm);font-size:13px;line-height:1.5;
}
.hero-badge b{display:block;color:var(--gold-deep);font-family:var(--serif);font-size:17px}
.hero-badge2{position:absolute;right:-18px;top:30px;text-align:right}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:var(--faint);font-size:11.5px;letter-spacing:.3em;writing-mode:vertical-rl}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--ink);color:#ece7dc;padding:84px 0;position:relative}
.stats-band .eyebrow{color:var(--gold-soft)}
.stats-band .sec-title{color:#f6f2e9}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);margin-top:44px;border-radius:16px;overflow:hidden}
.stat{background:var(--ink);padding:30px 22px;text-align:center}
.stat b{font-family:var(--serif);font-size:clamp(26px,2.6vw,38px);color:#f0e6d2;display:block;line-height:1.1;font-weight:800}
.stat b i{font-style:normal;font-size:.58em;color:var(--gold-soft);margin-left:2px}
.stat span{font-size:13px;color:#b9b2a3;margin-top:8px;display:block;letter-spacing:.04em}

/* ---------- 方向卡片 ---------- */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.dir-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:34px 30px;
  transition:.35s;position:relative;overflow:hidden;
}
.dir-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-soft));transform:scaleX(0);transform-origin:left;transition:.4s}
.dir-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.dir-card:hover::before{transform:scaleX(1)}
.dir-num{font-family:var(--serif);font-size:14px;color:var(--gold);letter-spacing:.2em}
.dir-card h3{font-family:var(--serif);font-size:22px;color:var(--ink);margin:14px 0 12px}
.dir-card p{font-size:14.5px;color:var(--muted);line-height:1.9}
.dir-card ul{margin-top:14px;list-style:none}
.dir-card li{font-size:13.5px;color:var(--ink-2);padding-left:18px;position:relative;margin:7px 0}
.dir-card li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:1px;background:var(--gold)}

/* ---------- 技能 ---------- */
.skills-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:48px;align-items:start}
.skill-group{margin-bottom:28px}
.skill-group h4{font-size:15px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:10px;font-weight:700}
.skill-group h4::after{content:"";flex:1;height:1px;background:var(--line)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud span{font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 13px;color:var(--ink-2)}
.skill-bar{margin-bottom:16px}
.skill-bar .lab{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:7px;color:var(--ink-2)}
.skill-bar .track{height:6px;background:var(--paper-2);border-radius:99px;overflow:hidden}
.skill-bar .fill{height:100%;width:0;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft));border-radius:99px;transition:width 1.3s cubic-bezier(.2,.7,.2,1)}
.cert-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.cert-row span{font-size:13px;background:#f3ecdd;border:1px solid #e6dcc6;color:var(--gold-deep);border-radius:8px;padding:6px 13px;font-weight:600}

/* ---------- 荣誉背书 ---------- */
.cred-strip{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cred-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px}
.cred{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;cursor:zoom-in;transition:.3s}
.cred:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cred img{width:100%;aspect-ratio:4/3;object-fit:cover;border-bottom:1px solid var(--line)}
.cred.vertical img{aspect-ratio:3/4}
.cred div{padding:14px 16px}
.cred b{font-size:14px;color:var(--ink);display:block}
.cred span{font-size:12.5px;color:var(--muted)}

/* ---------- 项目导航 ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:50px}
.proj-card{
  position:relative;border-radius:20px;overflow:hidden;aspect-ratio:16/10;cursor:pointer;
  display:block;box-shadow:var(--shadow-sm);
}
.proj-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.proj-card:hover img{transform:scale(1.06)}
.proj-card .mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,14,.08) 30%,rgba(20,18,14,.86));
  display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#f4efe4;transition:.3s;
}
.proj-card:hover .mask{background:linear-gradient(180deg,rgba(125,97,56,.25) 20%,rgba(26,22,14,.92))}
.proj-idx{font-family:var(--serif);font-size:13px;letter-spacing:.3em;color:var(--gold-soft)}
.proj-card h3{font-family:var(--serif);font-size:clamp(20px,2vw,26px);margin:8px 0 10px;font-weight:700}
.proj-card p{font-size:13.5px;color:#d8d1c2;line-height:1.7;max-width:90%}
.proj-metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.proj-metrics span{font-size:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 11px;backdrop-filter:blur(4px)}
.proj-arrow{position:absolute;top:24px;right:24px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;transition:.3s;font-size:18px}
.proj-card:hover .proj-arrow{background:var(--gold);border-color:var(--gold);transform:rotate(-45deg)}

/* ---------- 项目详情页 ---------- */
.proj-hero{padding:140px 0 56px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--paper-2),var(--paper))}
.crumb{font-size:13px;color:var(--muted);margin-bottom:26px;display:flex;gap:8px;align-items:center}
.crumb a{color:var(--gold-deep);cursor:pointer}
.crumb a:hover{text-decoration:underline}
.proj-hero h1{font-family:var(--serif);font-size:clamp(28px,4vw,46px);color:var(--ink);line-height:1.25;max-width:880px}
.proj-hero .lead{margin-top:18px;color:var(--muted);max-width:760px;font-size:16px}
.proj-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.proj-meta div{font-size:13.5px}
.proj-meta b{display:block;font-size:12px;letter-spacing:.16em;color:var(--gold);margin-bottom:4px;font-weight:600}
.psection{padding:64px 0;border-bottom:1px solid var(--line)}
.psection:last-of-type{border-bottom:none}
.psec-head{display:flex;gap:18px;align-items:baseline;margin-bottom:26px}
.psec-num{font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:.2em;flex:none}
.psec-head h2{font-family:var(--serif);font-size:clamp(22px,2.4vw,28px);color:var(--ink)}
.psec-body{font-size:15.5px;color:var(--ink-2);max-width:900px}
.psec-body p{margin-bottom:14px}
.psec-body strong{color:var(--ink)}

/* 步骤流 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:10px;counter-reset:step}
.flow.six{grid-template-columns:repeat(3,1fr)}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 18px;position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);font-family:var(--serif);font-size:26px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px var(--gold-soft);display:block;margin-bottom:10px;
}
.step b{font-size:14.5px;color:var(--ink);display:block;margin-bottom:6px}
.step span{font-size:13px;color:var(--muted);line-height:1.7}

/* 成果数据 */
.ach-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:8px 0 26px}
.ach{background:var(--ink);color:#ece5d6;border-radius:14px;padding:22px 18px;text-align:center}
.ach b{font-family:var(--serif);font-size:clamp(22px,2.2vw,30px);color:#f0e6d2;display:block}
.ach span{font-size:12.5px;color:#b9b2a3;display:block;margin-top:6px}
.bar-chart{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin-top:8px}
.bar-chart h4{font-size:14px;color:var(--ink);margin-bottom:20px;letter-spacing:.04em}
.bar-row{display:grid;grid-template-columns:190px 1fr 84px;align-items:center;gap:14px;margin:13px 0;font-size:13px}
.bar-row .name{color:var(--ink-2)}
.bar-row .track{height:14px;background:var(--paper-2);border-radius:99px;overflow:hidden}
.bar-row .fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft));width:0;transition:width 1.2s ease}
.bar-row .val{font-weight:700;color:var(--gold-deep);text-align:right}

/* 亮点 */
.hl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.hl{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.hl-ic{flex:none;width:40px;height:40px;border-radius:12px;background:#f3ecdd;display:grid;place-items:center;color:var(--gold-deep);font-family:var(--serif);font-weight:800;font-size:18px}
.hl b{display:block;color:var(--ink);font-size:15px;margin-bottom:5px}
.hl span{font-size:13.5px;color:var(--muted);line-height:1.7}
.summary-box{background:linear-gradient(135deg,#f3ecdd,#f8f4ea);border:1px solid #e6dcc6;border-radius:18px;padding:34px 38px;font-family:var(--serif);font-size:17px;line-height:2;color:var(--ink-2);position:relative}
.summary-box::before{content:"" ;position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--gold);border-radius:3px}

/* 图片画廊 */
.shot-grid{display:grid;gap:14px;margin-top:10px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2>*,.g3>*,.g4>*{min-width:0}
.shot{border-radius:12px;overflow:hidden;cursor:zoom-in;position:relative;background:var(--paper-2)}
.shot img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;transition:.5s;display:block}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:12px;color:#f2ecdf;
  background:linear-gradient(transparent,rgba(20,17,12,.82));opacity:0;transform:translateY(6px);transition:.3s;line-height:1.5;
}
.shot:hover figcaption{opacity:1;transform:none}
.shot.tall img{aspect-ratio:9/14;object-fit:cover}
.gallery-series{margin-bottom:40px}
.gallery-series>h3{font-family:var(--serif);font-size:19px;color:var(--ink);margin-bottom:6px;display:flex;align-items:center;gap:12px}
.gallery-series>h3::after{content:"";flex:1;height:1px;background:var(--line)}
.gallery-series>p{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.sub-note{font-size:13px;color:var(--muted);margin:4px 0 18px}
.proj-footer-nav{display:flex;justify-content:space-between;gap:16px;padding:40px 0 90px}
.proj-footer-nav a{
  flex:1;border:1px solid var(--line);border-radius:14px;padding:20px 24px;background:var(--card);transition:.28s;
}
.proj-footer-nav a:hover{border-color:var(--gold);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.proj-footer-nav small{font-size:12px;color:var(--gold);letter-spacing:.16em}
.proj-footer-nav b{display:block;font-family:var(--serif);font-size:17px;color:var(--ink);margin-top:6px}
.proj-footer-nav a.next{text-align:right}

/* ---------- 关于我 ---------- */
.about-grid{display:grid;grid-template-columns:.85fr 1.3fr;gap:60px;margin-top:50px;align-items:start}
.about-portrait{position:sticky;top:100px}
.about-portrait img{border-radius:20px;box-shadow:var(--shadow);width:100%}
.about-portrait .qr-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.about-portrait .qr-row figure{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;cursor:zoom-in}
.about-portrait .qr-row img{border-radius:6px;box-shadow:none}
.about-portrait figcaption{font-size:12px;text-align:center;color:var(--muted);margin-top:6px}
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item::before{content:"";position:absolute;left:-29px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--paper);border:2.5px solid var(--gold)}
.tl-item .time{font-size:12.5px;letter-spacing:.12em;color:var(--gold-deep);font-weight:700}
.tl-item h4{font-size:17px;color:var(--ink);font-family:var(--serif);margin:5px 0 8px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.85}
.tl-item p b{color:var(--ink-2)}
.suggest-box{margin-top:30px;background:#f3ecdd;border:1px dashed var(--gold-soft);border-radius:16px;padding:24px 26px}
.suggest-box h4{font-family:var(--serif);color:var(--gold-deep);font-size:16px;margin-bottom:12px}
.suggest-box li{font-size:13.5px;color:var(--ink-2);margin:8px 0 8px 18px;line-height:1.7}

/* ---------- 联系 ---------- */
.contact-block{background:var(--ink);color:#e9e3d6;padding:100px 0;text-align:center}
.contact-block .sec-title{color:#f6f2e9}
.contact-block .sec-sub{color:#bcb5a6;margin:0 auto}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:860px;margin:46px auto 0}
.contact-item{border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:26px 20px;transition:.3s}
.contact-item:hover{border-color:var(--gold-soft);background:rgba(255,255,255,.04)}
.contact-item small{display:block;font-size:12px;letter-spacing:.2em;color:var(--gold-soft);margin-bottom:10px}
.contact-item b{font-size:16px;color:#f2ecdf;font-weight:600;word-break:break-all}
footer{padding:30px 0;text-align:center;color:var(--faint);font-size:12.5px;letter-spacing:.08em;background:var(--ink);border-top:1px solid rgba(255,255,255,.08)}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(16,14,11,.95);display:none;
  align-items:center;justify-content:center;flex-direction:column;
}
.lightbox.open{display:flex;animation:fadeUp .3s ease both}
.lb-img{max-width:90vw;max-height:78vh;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb-cap{color:#d9d2c3;font-size:14px;margin-top:18px;max-width:70vw;text-align:center;line-height:1.7}
.lb-count{color:#9b9484;font-size:12.5px;margin-top:8px;letter-spacing:.14em}
.lb-btn{
  position:absolute;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  color:#eee;font-size:22px;display:grid;place-items:center;transition:.25s;background:rgba(255,255,255,.05)
}
.lb-btn:hover{background:var(--gold);border-color:var(--gold)}
.lb-close{top:26px;right:26px}
.lb-prev{left:26px;top:50%;transform:translateY(-50%)}
.lb-next{right:26px;top:50%;transform:translateY(-50%)}
.lb-prev:hover{transform:translateY(-50%) scale(1.06)}
.lb-next:hover{transform:translateY(-50%) scale(1.06)}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .wrap{padding:0 22px}
  section.block{padding:70px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-portrait{order:-1}
  .hero-portrait .frame{width:240px}
  .hero-badge,.hero-badge2{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .dir-grid,.proj-grid,.skills-wrap,.about-grid,.hl-grid{grid-template-columns:1fr;gap:20px}
  .cred-grid{grid-template-columns:repeat(2,1fr)}
  .flow,.flow.six{grid-template-columns:repeat(2,1fr)}
  .ach-grid{grid-template-columns:repeat(2,1fr)}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .bar-row{grid-template-columns:120px 1fr 70px;font-size:12px}
  .about-portrait{position:static;max-width:340px}
  .contact-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .burger{display:flex}
  .proj-footer-nav{flex-direction:column}
  .proj-footer-nav a.next{text-align:left}
  .psection{padding:48px 0}
  .summary-box{padding:26px 22px;font-size:15.5px}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .flow,.flow.six{grid-template-columns:1fr}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .cred-grid{grid-template-columns:1fr}
  .hero-btns .btn{width:100%;justify-content:center}
  .lb-prev{left:8px}.lb-next{right:8px}.lb-close{top:14px;right:14px}
  .proj-meta{gap:18px}
}