/* =====================================================
   张建亮网站 · 宣纸留白版  style.css
   配色：纸 / 墨 / 朱砂    版式：细线 + 留白 + 装裱式画框
   ===================================================== */
:root{
  --paper:#f6f3ea;
  --paper-2:#fffdf8;
  --ink:#1b1a17;
  --ink-2:#4a4740;
  --muted:#918a7b;
  --line:#dcd5c6;
  --seal:#a4372a;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC","STSong",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 20% 10%,rgba(255,255,255,.55),transparent 55%),
                   radial-gradient(circle at 80% 80%,rgba(255,255,255,.4),transparent 50%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1240px,92vw);margin:0 auto}
.serif{font-family:var(--serif)}
.eyebrow{font-size:11px;letter-spacing:.34em;color:var(--muted);text-transform:uppercase;margin:0 0 22px}

/* ---------- 页头 ---------- */
.site-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  padding:34px 0 22px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.brand-cn{font-family:var(--serif);font-size:23px;letter-spacing:.34em;margin:0}
.brand-latin{font-size:10px;letter-spacing:.34em;color:var(--muted);text-transform:uppercase}
nav.main{display:flex;gap:30px;font-size:13px;letter-spacing:.16em;color:var(--ink-2)}
nav.main a{position:relative;padding-bottom:3px}
nav.main a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
nav.main a:hover::after{transform:scaleX(1)}
nav.main a.on{color:var(--seal)}

/* ---------- 首屏：站内介绍 + 画家写真 ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(30px,5.5vw,88px);padding:clamp(38px,5vw,74px) 0 clamp(34px,4.6vw,60px);align-items:center}
.intro{padding-top:0;max-width:29em}
.intro h1{font-family:var(--serif);font-size:clamp(38px,4.8vw,60px);letter-spacing:.14em;
  margin:0;font-weight:500;line-height:1.08}
.intro .sub{font-family:var(--serif);font-size:13px;letter-spacing:.26em;color:var(--muted);
  margin:14px 0 0;padding-bottom:22px;border-bottom:1px solid var(--line)}
.intro p.lead{color:var(--ink-2);font-size:15px;line-height:2.1;margin:24px 0 0;max-width:24em}
/* 站内索引：作品 / 证书 / 照片 */
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin:28px 0 30px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-stats a{display:flex;align-items:baseline;gap:8px;padding:13px 0 12px}
.hero-stats a+a{border-left:1px solid var(--line);padding-left:clamp(12px,1.6vw,22px)}
.hero-stats b{font-family:var(--serif);font-size:22px;font-weight:400;letter-spacing:.02em;
  line-height:1;color:var(--ink);transition:color .35s ease}
.hero-stats span{font-size:10.5px;letter-spacing:.18em;color:var(--muted)}
.hero-stats a:hover b{color:var(--seal)}
.hero-links{display:flex;align-items:baseline;gap:26px;flex-wrap:wrap}
.link-sub{font-size:11.5px;letter-spacing:.2em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:4px}
.link-sub:hover{color:var(--ink);border-color:var(--ink)}
.hero-cred{font-size:11px;letter-spacing:.16em;color:var(--muted);line-height:1.9;
  border-top:1px solid var(--line);padding-top:14px;margin:32px 0 0;max-width:22em}
.seal{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;
  background:var(--seal);color:#fff6ee;font-family:var(--serif);font-size:13px;line-height:1;
  vertical-align:middle;margin-right:8px}
.cred{list-style:none;margin:0 0 26px;padding:0;font-size:12.5px;color:var(--ink-2);letter-spacing:.06em}
.cred li{padding:7px 0;border-top:1px solid var(--line)}
.cred li:last-child{border-bottom:1px solid var(--line)}
.cred-2{columns:2;column-gap:clamp(20px,3vw,40px)}
.cred-2 li{break-inside:avoid;border-top:1px solid var(--line)}
.cred-2 li:nth-child(2){border-top:1px solid var(--line)}
/* 头像：装裱式，窄屏不撑满 */
.portrait{display:block}
.portrait img{filter:saturate(.97)}
@media (max-width:980px){.portrait{max-width:240px!important;margin-left:auto;margin-right:auto}
  .cred-2{columns:1}}
.link-more{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.2em;
  border-bottom:1px solid var(--ink);padding-bottom:4px}
.link-more i{font-style:normal;transition:transform .35s ease}
.link-more:hover i{transform:translateX(6px)}
.hero-figure{margin:0}
.hero-figure .frame{padding:clamp(10px,1.1vw,15px)}
.hero-figure img{max-height:clamp(400px,calc(100vh - 250px),620px);width:auto;margin:0 auto}
.hero-figure .cap{margin-top:12px}

/* ---------- 画框与图注 ---------- */
.frame{background:var(--paper-2);padding:clamp(12px,1.6vw,20px);
  border:1px solid rgba(27,26,23,.09);
  box-shadow:0 26px 50px -28px rgba(40,34,22,.35),0 2px 0 rgba(255,255,255,.8) inset}
.frame img{width:100%;height:auto}
.cap{display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  margin-top:14px;font-size:11px;letter-spacing:.2em;color:var(--muted)}
.cap b{font-weight:400;color:var(--ink-2);letter-spacing:.14em}

/* ---------- 长卷横幅 ---------- */
.band{padding:clamp(36px,5vw,64px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .frame{padding:clamp(10px,1.2vw,16px)}
.band-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:20px;
  font-size:11px;letter-spacing:.3em;color:var(--muted)}

/* ---------- 通用分节 ---------- */
section{padding:clamp(56px,8vw,104px) 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:clamp(32px,4vw,54px)}
.sec-title{font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);letter-spacing:.28em;margin:0;font-weight:500}
.sec-title small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.34em;
  color:var(--muted);margin-top:10px;text-transform:uppercase}
.sec-note{font-size:12px;color:var(--muted);letter-spacing:.1em;text-align:right;max-width:32em}

/* ---------- 首页精选（三栏，原始比例） ---------- */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.6vw,38px);align-items:start}
.works figure{margin:0}
.works .frame{padding:10px;box-shadow:0 16px 34px -24px rgba(40,34,22,.4);
  transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.works figure:hover .frame{transform:translateY(-6px);box-shadow:0 26px 46px -24px rgba(40,34,22,.45)}
.works img{height:auto;filter:saturate(.98)}
.works h3{font-family:var(--serif);font-size:17px;font-weight:400;letter-spacing:.14em;margin:16px 0 4px}
.works h3 a:hover{color:var(--seal)}
.works p{margin:0;font-size:11.5px;letter-spacing:.14em;color:var(--muted)}

/* ---------- 简介 ---------- */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,80px);align-items:start}
.about .text p{color:var(--ink-2);margin:0 0 18px;max-width:34em}
.about .text p.first::first-letter{font-family:var(--serif);font-size:44px;line-height:.9;
  float:left;margin:8px 12px 0 0;color:var(--seal)}

/* ---------- 展览年表 ---------- */
.exhibit{list-style:none;margin:0;padding:0}
.exhibit li{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:15px 0;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2)}
.exhibit li:last-child{border-bottom:1px solid var(--line)}
.exhibit .yr{font-family:var(--serif);font-size:14px;letter-spacing:.08em;color:var(--muted)}
.exhibit em{font-style:normal;color:var(--seal)}

/* ---------- 扫码关注 ---------- */
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,26px);
  margin-bottom:clamp(30px,4vw,52px);max-width:880px}
.qr-card{display:block;background:rgba(255,255,255,.7);border:1px solid rgba(27,26,23,.09);
  padding:clamp(16px,2vw,24px) clamp(12px,1.6vw,18px);text-align:center;text-decoration:none;color:inherit;
  transition:box-shadow .5s,background .4s}
.qr-card:hover{background:#fff;box-shadow:0 18px 40px -26px rgba(40,34,22,.45)}
.qr-card img{width:100%;max-width:150px;height:auto;margin:0 auto 16px;display:block;
  image-rendering:pixelated;background:#fff}
.qr-card b{display:block;font-family:var(--serif);font-weight:400;font-size:16px;letter-spacing:.18em;margin-bottom:8px}
.qr-card span{display:block;font-size:11.5px;letter-spacing:.12em;color:var(--muted);line-height:1.9}
@media (max-width:820px){.qr-grid{grid-template-columns:1fr;gap:12px}
  .qr-card{display:flex;align-items:center;text-align:left;gap:18px;padding:14px}
  .qr-card img{margin:0;max-width:104px;flex:0 0 auto}}

/* ---------- 荣誉证书 ---------- */
.cert-sec{padding:clamp(30px,4vw,54px) 0 0}
.cert-head{display:flex;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);
  padding-bottom:12px;margin-bottom:clamp(20px,2.6vw,32px)}
.cert-head h2{font-size:clamp(17px,1.8vw,21px);font-weight:500;letter-spacing:.16em;margin:0}
.cert-head span{font-size:11px;letter-spacing:.2em;color:var(--muted)}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px,2.6vw,38px)}
.cert{display:block;color:inherit}
.cert .sheet{background:#fff;padding:clamp(10px,1.2vw,18px);box-shadow:0 1px 3px rgba(0,0,0,.06);
  display:flex;align-items:center;justify-content:center;min-height:180px;transition:box-shadow .5s;
  cursor:zoom-in;text-decoration:none;color:inherit}
.cert:hover .sheet{box-shadow:0 10px 34px rgba(60,45,25,.13)}
.cert img{width:100%;height:auto;display:block;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.cert:hover img{transform:scale(1.02)}
.cert .meta{padding:12px 2px 0}
.cert .meta b{display:block;font-family:var(--serif);font-weight:400;font-size:16px;letter-spacing:.1em;margin-bottom:5px}
.cert .meta b a{color:inherit;border-bottom:1px solid var(--line)}
.cert .meta b a:hover{border-color:var(--ink)}
.cert .meta em{font-style:normal;display:block;font-size:12px;line-height:1.7;color:var(--ink-2);letter-spacing:.03em}
.cert .meta i{font-style:normal;display:block;font-size:10.5px;letter-spacing:.14em;color:var(--muted);margin-top:6px}
.cert-note{font-size:11.5px;color:var(--muted);letter-spacing:.05em;line-height:1.9;
  border-left:2px solid var(--line);padding-left:14px;margin:clamp(24px,3vw,40px) 0 0;max-width:38em}
@media (max-width:820px){.cert-grid{grid-template-columns:1fr}}

/* ---------- 相册速览 ---------- */
.strip{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(10px,1.4vw,18px)}
.strip a{display:block;min-width:0;background:#fff;padding:7px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.strip .ph{overflow:hidden}
.strip img{width:100%;height:clamp(110px,12vw,168px);object-fit:cover;display:block;
  transition:transform .9s cubic-bezier(.2,.8,.2,1),opacity .4s;opacity:.94}
.strip a:hover img{transform:scale(1.05);opacity:1}
.strip .cap{font-size:11px;letter-spacing:.06em;color:var(--muted);padding:8px 2px 2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:980px){.strip{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){
  .strip{grid-template-columns:repeat(2,1fr)}
  .strip .cap{white-space:normal;line-height:1.65;display:-webkit-box;-webkit-box-orient:vertical;
    -webkit-line-clamp:2;overflow:hidden}
}

/* ---------- 年份跳转 ---------- */
.year-nav{display:flex;gap:10px;flex-wrap:wrap;padding:26px 0 0}
.year-nav a{font-size:12px;letter-spacing:.14em;border:1px solid var(--line);padding:7px 14px;
  color:var(--ink-2);transition:.3s;background:rgba(255,255,255,.35)}
.year-nav a:hover{border-color:var(--ink);color:var(--ink);background:#fff}

/* ---------- 作品目录（瀑布流） ---------- */
.cat-sec{padding:clamp(40px,6vw,72px) 0}
.cat-sec + .cat-sec{padding-top:0}
.cat-year{display:flex;align-items:baseline;gap:18px;margin-bottom:clamp(24px,3vw,38px)}
.cat-year h2{font-family:var(--serif);font-size:clamp(18px,2vw,24px);letter-spacing:.22em;margin:0;font-weight:500}
.cat-year span{font-size:11px;letter-spacing:.24em;color:var(--muted)}
.cat-year::after{content:"";flex:1;height:1px;background:var(--line)}
.masonry{columns:3;column-gap:clamp(18px,2.4vw,34px)}
.card{display:block;margin:0 0 clamp(22px,3vw,40px);break-inside:avoid}
.card .frame{padding:10px;transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.card:hover .frame{transform:translateY(-5px);box-shadow:0 26px 46px -24px rgba(40,34,22,.5)}
.card img{width:100%;height:auto;filter:saturate(.98)}
.card .t{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:12px}
.card .t b{font-family:var(--serif);font-weight:400;font-size:15px;letter-spacing:.1em;color:var(--ink)}
.card:hover .t b{color:var(--seal)}
.card .t>span{font-size:10.5px;letter-spacing:.12em;color:var(--muted);white-space:nowrap}
.card .t .sold{display:inline-block;margin-left:8px;font-family:var(--sans);font-size:11px;
  letter-spacing:.08em;color:#fff6ee;background:var(--seal);padding:1px 6px 2px;line-height:1.5;
  vertical-align:2px;white-space:nowrap}

/* ---------- 作品独立页 ---------- */
.detail{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:clamp(28px,5vw,72px);padding:clamp(40px,6vw,76px) 0;align-items:start}
.detail .art .frame{padding:clamp(12px,1.6vw,22px)}
.detail .art img{width:100%;height:auto}
.crumb{font-size:11px;letter-spacing:.2em;color:var(--muted);margin-bottom:26px}
.crumb a:hover{color:var(--seal)}
.d-title{font-family:var(--serif);font-size:clamp(24px,3vw,34px);letter-spacing:.14em;
  font-weight:500;margin:0 0 10px;line-height:1.5}
.d-size{font-size:12px;letter-spacing:.2em;color:var(--muted);margin:0 0 26px}
.d-meta{list-style:none;margin:0 0 30px;padding:0;font-size:13px;color:var(--ink-2)}
.d-meta li{display:grid;grid-template-columns:84px 1fr;gap:14px;padding:10px 0;border-top:1px solid var(--line)}
.d-meta li:last-child{border-bottom:1px solid var(--line)}
.d-meta .k{font-size:11px;letter-spacing:.2em;color:var(--muted)}
.d-note{font-size:13.5px;color:var(--ink-2);margin:0 0 30px}
.sold-big{display:inline-block;font-size:11px;letter-spacing:.18em;color:#fff6ee;background:var(--seal);
  padding:5px 12px;margin-bottom:24px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}
.pager a{border:1px solid var(--line);padding:14px 16px;font-size:12px;letter-spacing:.14em;
  color:var(--ink-2);transition:.3s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager a:hover{border-color:var(--ink);color:var(--ink)}
.pager a.next{text-align:right}
.pager small{display:block;font-size:9.5px;letter-spacing:.26em;color:var(--muted);margin-bottom:3px}
.back-catalog{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.2em;
  border-bottom:1px solid var(--ink);padding-bottom:3px;margin-top:28px}
.back-catalog:hover{color:var(--seal);border-color:var(--seal)}

/* ---------- 联系页 ---------- */
.contact-block{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px);
  padding:clamp(44px,6vw,72px) 0}
.contact-block .label{font-size:10px;letter-spacing:.3em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.contact-block p{font-size:13.5px;color:var(--ink-2);margin:0 0 6px}
.contact-block a.mail{font-family:var(--serif);font-size:17px;border-bottom:1px solid var(--ink);padding-bottom:2px}
.contact-block a.mail:hover{color:var(--seal);border-color:var(--seal)}
.qr-row{display:flex;gap:20px;align-items:center}
.qr-row img{width:112px;height:112px;object-fit:contain;border:1px solid var(--line);
  padding:6px;background:#fff}
.qr-row div{font-size:12px;letter-spacing:.08em;color:var(--muted);line-height:2}
.qr-row b{display:block;color:var(--ink-2);font-weight:400}
.map-frame{margin:clamp(20px,3vw,40px) 0 0}

/* ---------- 页脚 ---------- */
.contact{border-top:1px solid var(--line);padding:clamp(44px,6vw,76px) 0 34px}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:clamp(24px,4vw,60px)}
.contact h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);letter-spacing:.2em;font-weight:500;margin:0 0 14px}
.contact p{font-size:13px;color:var(--ink-2);margin:0 0 6px}
.contact a.mail{font-family:var(--serif);font-size:16px;border-bottom:1px solid var(--ink);padding-bottom:2px}
.contact .label{font-size:10px;letter-spacing:.3em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:clamp(36px,5vw,60px);padding-top:20px;border-top:1px solid var(--line);
  font-size:11px;letter-spacing:.1em;color:var(--muted)}
.foot a:hover{color:var(--ink)}

/* ---------- 滚动淡入（无 JS 时可见） ---------- */
html.js .rv{opacity:.9;transform:translateY(20px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.8,.2,1)}
html.js .rv.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .masonry{columns:2}
  .detail{grid-template-columns:1fr}
}
@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:clamp(26px,4vw,34px)}
  .intro{max-width:none}
  .intro p.lead{max-width:34em}
  .hero-cred{margin-top:26px}
  .hero-figure{max-width:460px}
  .hero-figure img{max-height:none;width:100%}
  .works{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .contact-block{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .hero{padding:22px 0 30px;gap:22px}
  .intro h1{font-size:38px}
  .intro .sub{margin-top:10px;padding-bottom:16px}
  .intro p.lead{margin:18px 0 0;line-height:2}
  .hero-stats{margin:22px 0 24px}
  .hero-stats b{font-size:19px}
  .hero-stats span{font-size:10px;letter-spacing:.12em}
  .hero-cred{margin-top:22px;padding-top:12px}
  .site-head{flex-direction:column;align-items:flex-start;gap:16px}
  nav.main{gap:18px;font-size:12px;flex-wrap:wrap}
  .works{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .contact-block{grid-template-columns:1fr}
  .masonry{columns:1}
  .band-head{font-size:10px;letter-spacing:.18em}
  .cat-year h2{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  html.js .rv{opacity:1!important;transform:none!important;transition:none}
}