/* ==========================================================
   Kingsley — 个人作品集
   米白纸面 / 黑墨 / 单一橙色 · 设计杂志式排版
   ========================================================== */

:root{
  --paper:#F5F1E8;
  --paper-deep:#EDE7DA;
  --ink:#14110F;
  --ink-soft:#4A443E;
  --ink-faint:#6E6659;
  --accent:#F25400;
  --accent-deep:#B23C00;

  --gutter:clamp(20px, 5vw, 96px);
  --measure:34rem;
  --hair:1px;

  --serif:"Instrument Serif","Noto Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:clamp(1rem,.96rem + .2vw,1.0625rem);
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 纸面颗粒，极轻，只在高分屏可见 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(var(--ink) .5px, transparent .5px);
  background-size:4px 4px;
  mix-blend-mode:multiply;
  opacity:.035;
}
main,header,footer{position:relative;z-index:1}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.08;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

::selection{background:var(--accent);color:var(--paper)}

:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--ink);color:var(--paper);padding:.7rem 1.2rem;
}
.skip:focus{left:var(--gutter);top:.6rem}

/* ---------- 页眉 ---------- */
.masthead{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:.95rem var(--gutter);
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:var(--hair) solid color-mix(in srgb, var(--ink) 14%, transparent);
}
.wordmark{
  font-family:var(--serif);font-size:1.35rem;letter-spacing:.005em;
}
.wordmark .dot{color:var(--accent)}
.mastnav{display:flex;gap:clamp(.7rem,2.4vw,2rem);font-size:.8125rem;letter-spacing:.08em}
.mastnav a{position:relative;color:var(--ink-soft);padding-block:.25rem;transition:color .25s var(--ease)}
.mastnav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .3s var(--ease);
}
.mastnav a:hover,.mastnav a:focus-visible{color:var(--ink)}
.mastnav a:hover::after{width:100%}
.mastnav a.is-active{color:var(--ink)}
.mastnav a.is-active::after{width:100%;height:2px}

/* 阅读进度 */
.readbar{
  position:fixed;left:0;right:0;top:0;height:1px;z-index:60;
  background:var(--accent);transform:scaleX(var(--read,0));transform-origin:0 50%;
  pointer-events:none;
}
.no-js .readbar{display:none}

/* 语言切换 */
.langswitch{
  flex:none;display:flex;align-items:baseline;gap:.45rem;
  font-size:.6875rem;letter-spacing:.14em;color:var(--ink-faint);
}
.langswitch a{
  padding:.18rem .45rem;color:var(--ink-soft);
  border:var(--hair) solid color-mix(in srgb,var(--ink) 18%,transparent);
  transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.langswitch a:hover{color:var(--ink);border-color:color-mix(in srgb,var(--ink) 48%,transparent)}
.langswitch a.is-on{color:var(--paper);background:var(--ink);border-color:var(--ink)}

@media (max-width:360px){
  .masthead{flex-wrap:wrap;row-gap:.45rem}
  .langswitch{margin-left:auto}
}

/* ---------- 通用区块骨架 ---------- */
section{padding-inline:var(--gutter)}
.section-index{
  display:flex;align-items:baseline;gap:1rem;
  font-family:var(--serif);font-size:clamp(1.1rem,1rem + .5vw,1.4rem);font-weight:400;
  letter-spacing:.02em;
  padding-block:clamp(3.5rem,9vw,7rem) 1.4rem;
  border-bottom:var(--hair) solid color-mix(in srgb, var(--ink) 16%, transparent);
}
.section-index span{
  color:var(--accent-deep);font-family:var(--sans);font-size:.75rem;font-weight:500;
  letter-spacing:.22em;
}
.eyebrow{
  display:flex;align-items:center;gap:.9rem;
  font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-faint);
}
.eyebrow .rule{display:block;width:clamp(40px,8vw,110px);height:1px;background:var(--accent)}

.hl{
  background:linear-gradient(transparent 62%, color-mix(in srgb,var(--accent) 34%, transparent) 62%);
  padding-inline:.06em;
  -webkit-box-decoration-break:clone;
  box-decoration-break:clone;
}
.display .hl{white-space:nowrap}

/* ---------- 首屏 ---------- */
.hero{
  padding-top:clamp(3rem,8vw,6.5rem);
  padding-bottom:clamp(3rem,8vw,6rem);
}
.display{
  font-family:var(--serif);
  font-size:clamp(2.1rem, .6rem + 6vw, 7.5rem);
  font-weight:400;
  line-height:1;
  letter-spacing:-.02em;
  margin-top:clamp(1.6rem,4vw,3rem);
  word-break:keep-all;
  overflow-wrap:anywhere;
}
.display em{font-style:italic;color:var(--accent)}
.hero-foot{
  margin-top:clamp(3rem,7vw,5rem);
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:clamp(2rem,5vw,4.5rem);
  align-items:start;
}
.hero-lede{
  max-width:var(--measure);
  font-size:clamp(1.0625rem,1rem + .35vw,1.25rem);
  line-height:1.7;color:var(--ink-soft);
  border-left:2px solid var(--accent);padding-left:clamp(1rem,2.5vw,1.6rem);
}
.hero-meta{margin:0;display:grid;gap:1.15rem;padding-top:.35rem}
.hero-meta > div{
  display:grid;grid-template-columns:5.5em 1fr;gap:1rem;align-items:baseline;
  padding-bottom:1.15rem;border-bottom:var(--hair) solid color-mix(in srgb,var(--ink) 12%,transparent);
}
.hero-meta dt{font-size:.75rem;letter-spacing:.16em;color:var(--ink-faint)}
.hero-meta dd{margin:0;font-size:.9375rem;font-weight:500}
.pip{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);
  margin-right:.55rem;vertical-align:middle;
  box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent);
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}
  70%{box-shadow:0 0 0 9px transparent}
  100%{box-shadow:0 0 0 0 transparent}
}
@media (prefers-reduced-motion:reduce){.pip{animation:none}}
@media (max-width:820px){.hero-foot{grid-template-columns:1fr}}

/* 首屏入场 */
@keyframes heroIn{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:none}
}
html:not(.no-js) .hero .eyebrow{animation:heroIn .8s var(--ease) both}
html:not(.no-js) .hero .display{animation:heroIn .95s var(--ease) .06s both}
html:not(.no-js) .hero-foot{animation:heroIn .95s var(--ease) .14s both}

@media (prefers-reduced-motion:reduce){
  html:not(.no-js) .hero .eyebrow,
  html:not(.no-js) .hero .display,
  html:not(.no-js) .hero-foot{animation:none}
}

/* ---------- 关于 ---------- */
.about-body{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(2rem,6vw,6rem);
  padding-block:clamp(2.5rem,6vw,5rem) clamp(3rem,7vw,6rem);
}
.pullquote{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.7rem,1.1rem + 2.6vw,3.1rem);
  line-height:1.16;letter-spacing:-.015em;
  line-break:strict;
  position:sticky;top:6rem;
}
.prose p + p{margin-top:1.35rem}
.prose{max-width:44rem;color:var(--ink-soft)}
.prose b{color:var(--ink);font-weight:500}
.fineprint{
  margin-top:2.2rem !important;padding-top:1.1rem;
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
  font-size:.8125rem;line-height:1.7;color:var(--ink-faint);
}
.fineprint b{color:var(--accent-deep);font-weight:500}
@media (max-width:820px){
  .about-body{grid-template-columns:1fr}
  .pullquote{position:static}
}

/* ---------- 作品 ---------- */
.works-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:1.5rem clamp(1.5rem,4vw,3rem);
  padding-block:clamp(2rem,4vw,3rem) 1.4rem;
}
.works-note{max-width:26rem;color:var(--ink-soft);font-size:.9375rem}
.filters{display:flex;flex-wrap:wrap;gap:.35rem .2rem}
.filter{
  position:relative;padding:.5rem .1rem;
  margin-inline:clamp(.5rem,1.4vw,1.1rem);
  font-size:.875rem;letter-spacing:.06em;color:var(--ink-faint);
  transition:color .25s var(--ease);
}
.filter:first-child{margin-left:0}
.filter:last-child{margin-right:0}
.filter::after{
  content:"";position:absolute;left:0;right:0;bottom:.1rem;height:1px;
  background:color-mix(in srgb,var(--ink) 22%,transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.filter:hover{color:var(--ink)}
.filter:hover::after{transform:scaleX(1)}
.filter.is-on{color:var(--ink);font-weight:500}
.filter.is-on::after{background:var(--accent);transform:scaleX(1);height:2px}
.filter.is-on::before{
  content:"";position:absolute;left:-.55rem;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
}

.filter-status{
  font-size:.75rem;letter-spacing:.14em;color:var(--ink-faint);
  padding-bottom:clamp(1.5rem,4vw,3rem);
}

.works-grid{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:clamp(16px,2.4vw,40px);
  row-gap:clamp(3.5rem,8vw,8rem);
  padding-bottom:clamp(3rem,8vw,7rem);
}

/* 不对称版面：每个作品固定自己的跨栏，筛选后仍保持各自的节奏 */
.w1{grid-column:1 / span 7}
.w2{grid-column:8 / span 5;padding-top:clamp(2rem,7vw,7rem)}
.w3{grid-column:1 / span 5}
.w4{grid-column:7 / span 6;padding-top:clamp(3rem,9vw,9rem)}
.w5{grid-column:1 / span 8;padding-top:clamp(1rem,3vw,3rem)}
.w6{grid-column:2 / span 6;justify-self:end;width:100%;padding-top:clamp(2rem,6vw,6rem)}
.w7{grid-column:1 / span 6;padding-top:clamp(1rem,4vw,4rem)}
.w8{grid-column:8 / span 5;padding-top:clamp(4rem,11vw,10rem)}

.work{
  display:grid;grid-template-columns:auto minmax(0,1fr);
  column-gap:clamp(.9rem,2vw,1.6rem);
  grid-template-areas:
    "shot shot"
    "num  head"
    ".    tags"
    ".    teaser"
    ".    open";
  row-gap:.7rem;
  cursor:pointer;
  transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.work.is-hidden{display:none}
.work.is-leaving{opacity:0;transform:translateY(8px)}

.shot{
  grid-area:shot;position:relative;overflow:hidden;
  aspect-ratio:3/2;background:var(--paper-deep);
}
.shot img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .9s var(--ease),filter .5s var(--ease);
}
.work:hover .shot img,.work:focus-visible .shot img{transform:scale(1.035)}
.shot::after{
  content:"";position:absolute;inset:0;background:var(--accent);
  mix-blend-mode:multiply;opacity:0;transition:opacity .45s var(--ease);pointer-events:none;
}
.work:hover .shot::after{opacity:.14}

/* 图片加载失败占位 */
.shot-fallback{
  position:absolute;inset:0;display:none;place-items:center;
  background:
    repeating-linear-gradient(135deg,
      transparent 0 13px,
      color-mix(in srgb,var(--ink) 7%,transparent) 13px 14px),
    var(--paper-deep);
  color:var(--ink-faint);font-size:.8125rem;letter-spacing:.14em;
}
.shot.is-failed .shot-fallback{display:grid}
.shot.is-failed img{display:none}

.work-num{
  grid-area:num;align-self:start;
  font-family:var(--serif);font-size:clamp(1.6rem,1.2rem + 1.2vw,2.5rem);
  color:var(--accent);line-height:1;
}
.work-head{grid-area:head}
.work-title{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(1.5rem,1.15rem + 1.5vw,2.6rem);
  letter-spacing:-.015em;
}
.work-sub{margin-top:.3rem;color:var(--ink-soft);font-size:.9375rem}
.work-tags{grid-area:tags;display:flex;flex-wrap:wrap;gap:.45rem .55rem;margin-top:.5rem}
.work-tags span{
  font-size:.6875rem;letter-spacing:.13em;color:var(--ink-faint);
  border:var(--hair) solid color-mix(in srgb,var(--ink) 18%,transparent);
  padding:.2rem .55rem;
}
.work-tags .is-cat{color:var(--accent-deep);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.work-teaser{
  grid-area:teaser;max-width:30rem;margin-top:.6rem;
  color:var(--ink-soft);font-size:.9375rem;
}
.open{
  grid-area:open;justify-self:start;margin-top:.9rem;
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.8125rem;letter-spacing:.1em;font-weight:500;
  border-bottom:1px solid var(--ink);padding-bottom:.2rem;
  transition:color .25s var(--ease),border-color .25s var(--ease),gap .25s var(--ease);
}
.open::after{content:"→";font-family:var(--serif)}
.work:hover .open,.work:focus-visible .open{color:var(--accent-deep);border-color:var(--accent);gap:.95rem}
@media (max-width:640px){
  .open{display:none}
}

@media (max-width:900px){
  .works-grid{grid-template-columns:1fr;row-gap:clamp(3rem,10vw,5rem)}
  .w1,.w2,.w3,.w4,.w5,.w6,.w7,.w8{grid-column:1 / -1;padding-top:0;justify-self:auto}
  .work{grid-template-columns:auto minmax(0,1fr)}
}

.empty{
  padding:clamp(2rem,6vw,4rem) 0 clamp(3rem,7vw,5rem);
  font-family:var(--serif);font-size:clamp(1.3rem,1.1rem + 1vw,1.9rem);
  color:var(--ink-faint);
}

/* ---------- 方法 ---------- */
.method{background:var(--ink);color:var(--paper);margin-top:clamp(2rem,6vw,4rem)}
.method .section-index{border-color:color-mix(in srgb,var(--paper) 22%,transparent)}
.method-wrap{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);
  gap:clamp(2rem,6vw,5rem);
  padding-block:clamp(2rem,5vw,3.5rem) clamp(4rem,9vw,7rem);
}
.method-intro{
  font-family:var(--serif);font-weight:400;font-size:clamp(1.35rem,1.1rem + 1.4vw,2.15rem);
  line-height:1.35;position:sticky;top:6rem;align-self:start;max-width:18ch;
  color:color-mix(in srgb,var(--paper) 88%,transparent);
}
.method-list{counter-reset:m;display:grid;gap:0}
.method-list li{
  display:grid;grid-template-columns:4.5em minmax(0,1fr);gap:0 clamp(1rem,3vw,2.5rem);
  padding-block:clamp(1.6rem,3.5vw,2.4rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--paper) 18%,transparent);
}
.method-list li:last-child{border-bottom:var(--hair) solid color-mix(in srgb,var(--paper) 18%,transparent)}
.mnum{font-size:.8125rem;letter-spacing:.16em;color:var(--accent-deep);padding-top:.5rem}
.method-list h3{
  font-family:var(--serif);font-weight:700;font-size:clamp(1.25rem,1.05rem + 1vw,1.85rem);
  letter-spacing:-.01em;
}
.method-list p{
  grid-column:2;margin-top:.7rem;max-width:38rem;
  color:color-mix(in srgb,var(--paper) 72%,transparent);font-size:.9375rem;
}
@media (max-width:820px){
  .method-wrap{grid-template-columns:1fr}
  .method-intro{position:static}
  .method-list li{grid-template-columns:3.2em minmax(0,1fr)}
}

/* ---------- 经历 ---------- */
.tl{padding-block:clamp(1.5rem,4vw,3rem) clamp(3rem,8vw,6rem)}
.tl li{
  display:grid;grid-template-columns:minmax(0,3.5fr) minmax(0,8fr);
  gap:0 clamp(1rem,4vw,4rem);
  padding-block:clamp(1.6rem,3.5vw,2.6rem);
  border-bottom:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
  transition:background .35s var(--ease),padding-inline .35s var(--ease);
}
.tl li:first-child{border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent)}
.tl li:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}
.tl-year{font-family:var(--serif);font-size:clamp(1.35rem,1.1rem + 1.1vw,2.1rem);color:var(--accent-deep);line-height:1.2}
.tl-year span{color:var(--ink-faint);font-family:var(--sans);font-size:.8125rem;letter-spacing:.06em}
.tl-body h3{font-family:var(--serif);font-size:clamp(1.2rem,1.05rem + .8vw,1.65rem);letter-spacing:-.01em}
.tl-org{
  margin-top:.35rem;font-size:.8125rem;letter-spacing:.06em;color:var(--accent-deep);
}
.tl-body p{margin-top:.55rem;max-width:44rem;color:var(--ink-soft);font-size:.9375rem}
.tl-body .tl-org + p{margin-top:.7rem}
@media (max-width:700px){
  .tl li{grid-template-columns:1fr;gap:.55rem}
}

/* ---------- 联系 ---------- */
.contact{padding-bottom:clamp(3rem,8vw,6rem)}
.contact-lede{
  max-width:32rem;margin-top:clamp(2rem,5vw,3.5rem);
  font-size:clamp(1.15rem,1rem + .9vw,1.6rem);
  font-family:var(--serif);font-weight:400;line-height:1.45;color:var(--ink-soft);
}
.mailrow{
  display:flex;flex-wrap:wrap;align-items:center;gap:clamp(1rem,3vw,2rem);
  margin-top:clamp(1.8rem,4vw,3rem);
}
.mail{
  font-family:var(--serif);font-weight:400;letter-spacing:-.02em;
  font-size:clamp(1.9rem,1.1rem + 5vw,5.5rem);line-height:1;
  border-bottom:2px solid color-mix(in srgb,var(--ink) 20%,transparent);
  padding-bottom:.12em;
  transition:border-color .3s var(--ease),color .3s var(--ease);
  overflow-wrap:anywhere;
}
.mail:hover{border-color:var(--accent)}
.copy{
  display:inline-flex;align-items:center;gap:.55rem;
  border:1px solid var(--ink);border-radius:999px;
  padding:.62rem 1.25rem;font-size:.8125rem;letter-spacing:.1em;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.copy::before{content:"";width:6px;height:6px;border:1px solid currentColor;border-radius:1px}
.copy:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.copy.is-done{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--paper)}
.hint{margin-top:1rem;font-size:.8125rem;color:var(--ink-faint);min-height:1.4em}
.hint.is-ok{color:var(--accent-deep)}
.elsewhere{
  margin-top:clamp(2.5rem,6vw,4.5rem);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:1.5rem clamp(1rem,3vw,2.5rem);
  padding-top:clamp(1.5rem,3vw,2.2rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
}
.elsewhere li{display:grid;gap:.35rem}
.elsewhere span{font-size:.75rem;letter-spacing:.14em;color:var(--ink-faint)}
.elsewhere b{font-weight:500;font-size:.9375rem}

/* ---------- 页脚 ---------- */
.colophon{
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;
  padding:clamp(1.5rem,3vw,2rem) var(--gutter);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
  font-size:.75rem;letter-spacing:.1em;color:var(--ink-faint);
}

/* ---------- 弹窗 ---------- */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center}
.modal-scrim{
  position:absolute;inset:0;background:color-mix(in srgb,var(--ink) 62%,transparent);
  backdrop-filter:blur(3px);
  animation:fade .3s var(--ease);
}
.modal-panel{
  position:relative;z-index:1;
  width:min(760px, 100% - 2 * clamp(12px,4vw,48px));
  max-height:min(88vh, 980px);
  overflow-y:auto;overscroll-behavior:contain;
  background:var(--paper);
  padding:clamp(1.2rem,3.5vw,2.6rem) clamp(1.2rem,4vw,3rem) clamp(1.6rem,4vw,2.8rem);
  box-shadow:0 40px 90px -40px rgba(20,17,15,.55);
  animation:rise .38s var(--ease);
}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .modal-scrim,.modal-panel{animation:none}
}
.modal-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.modal-kicker{font-size:.75rem;letter-spacing:.16em;color:var(--accent-deep)}
.modal-close{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;letter-spacing:.1em;color:var(--ink-soft);
  border:1px solid color-mix(in srgb,var(--ink) 22%,transparent);border-radius:999px;
  padding:.4rem .8rem;transition:background .25s var(--ease),color .25s var(--ease);
}
.modal-close:hover{background:var(--ink);color:var(--paper)}
.modal-close .x{font-size:.9rem}
.modal-title{
  font-family:var(--serif);font-size:clamp(1.9rem,1.4rem + 2.6vw,3.4rem);
  letter-spacing:-.02em;margin-top:clamp(1rem,2.5vw,1.6rem);
}
.modal-sub{margin-top:.4rem;color:var(--ink-soft);font-size:1rem}
.modal-shot{margin-top:clamp(1.2rem,3vw,2rem);aspect-ratio:16/9}
.modal-body{margin-top:clamp(1.4rem,3.5vw,2.2rem)}
.modal-body h4{
  font-family:var(--sans);font-size:.75rem;font-weight:500;letter-spacing:.18em;
  color:var(--accent-deep);
  padding-top:clamp(1.4rem,3vw,2rem);margin-top:clamp(1.4rem,3vw,2rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 12%,transparent);
}
.modal-body h4:first-child{border-top:0;margin-top:0;padding-top:0}
.modal-body p{margin-top:.7rem;color:var(--ink-soft);max-width:46rem}
.modal-body ul{margin-top:.7rem;display:grid;gap:.5rem}
.modal-body li{
  position:relative;padding-left:1.4rem;color:var(--ink-soft);max-width:46rem;
}
.modal-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:.6rem;height:1px;background:var(--accent);
}
/* 交互演示入口 */
.demo-cta{margin-top:.2rem}
.demo-link{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--ink);color:var(--paper);
  padding:.7rem 1.1rem;
  font-size:.8125rem;letter-spacing:.08em;font-weight:500;
  transition:background .25s var(--ease),gap .25s var(--ease);
}
.demo-link:hover,.demo-link:focus-visible{background:var(--accent);gap:.85rem}
.demo-link .arw{font-family:var(--serif);font-size:1rem;line-height:1}
.demo-cta-note{margin-top:.55rem;font-size:.75rem;color:var(--ink-faint)}
.modal-foot{
  margin-top:clamp(1.8rem,4vw,2.6rem);padding-top:1.1rem;
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 12%,transparent);
  font-size:.75rem;color:var(--ink-faint);
}
body.is-locked{overflow:hidden}

/* ---------- 无障碍工具类 ---------- */
.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;
}

/* ---------- 数字概览 ---------- */
.numbers{
  padding-block:clamp(3.5rem,8vw,7rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 16%,transparent);
  border-bottom:var(--hair) solid color-mix(in srgb,var(--ink) 16%,transparent);
}
.num-row{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:clamp(16px,2.4vw,40px);row-gap:clamp(2.4rem,5vw,4.5rem);
}
.num-row li{display:flex;flex-direction:column;gap:.7rem;min-width:0}
.num-row b{
  font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,1.2rem + 6.4vw,5.6rem);
  line-height:.86;letter-spacing:-.03em;
}
.num-row b i{font-style:normal;font-size:.3em;letter-spacing:0;color:var(--ink-faint);margin-left:.12em}
.num-row span{font-size:.8125rem;line-height:1.6;letter-spacing:.06em;color:var(--ink-soft);max-width:15em}
.n1{grid-column:1 / span 4}
.n2{grid-column:6 / span 3;padding-top:clamp(1rem,3vw,3rem)}
.n3{grid-column:10 / span 3}
.n4{grid-column:2 / span 3}
.n5{grid-column:6 / span 4;padding-top:clamp(1rem,3vw,3rem)}
.n6{grid-column:10 / span 3}
.n2 b,.n5 b{color:var(--accent)}
@media (max-width:900px){
  .num-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:clamp(2rem,8vw,3.2rem)}
  .num-row li{grid-column:auto / span 1;padding-top:0}
  .n2,.n5{padding-top:clamp(1rem,5vw,2rem)}
}
@media (max-width:520px){
  .num-row{grid-template-columns:1fr}
  .num-row li{grid-column:1 / -1;padding-top:0}
}

/* ---------- 能力 ---------- */
.skills-intro{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.3rem,1.05rem + 1.3vw,2.2rem);
  line-height:1.42;letter-spacing:-.01em;color:var(--ink);
  max-width:46rem;margin-top:clamp(2.4rem,5vw,3.6rem);
}
.skills-list{margin-top:clamp(2.6rem,6vw,4.4rem)}
.skill{
  display:grid;grid-template-columns:minmax(0,3.5fr) minmax(0,8fr);
  gap:0 clamp(1rem,4vw,4rem);
  padding-block:clamp(1.5rem,3.2vw,2.4rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
}
.skill:last-of-type{border-bottom:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent)}
.skill dt{display:grid;gap:.5rem;align-content:start}
.skill dd{margin:0}
.sk-num{
  font-family:var(--sans);font-size:.75rem;font-weight:500;
  letter-spacing:.22em;color:var(--accent-deep);
}
.sk-name{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(1.15rem,1rem + .8vw,1.65rem);
  letter-spacing:-.01em;line-height:1.2;
}
.sk-tag{font-size:.8125rem;letter-spacing:.06em;color:var(--ink-faint)}
.sk-items{display:grid;gap:.5rem}
.sk-items li{
  position:relative;padding-left:1.4rem;max-width:44rem;
  font-size:.9375rem;line-height:1.7;color:var(--ink-soft);
}
.sk-items li::before{
  content:"";position:absolute;left:0;top:.85em;width:.7rem;height:1px;background:var(--accent);
}
.sk-items b{color:var(--ink);font-weight:500}
.skills-note{
  margin-top:clamp(1.6rem,3vw,2.4rem);padding-top:1.1rem;max-width:46rem;
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
  font-size:.8125rem;line-height:1.7;color:var(--ink-faint);
}
html[lang=en] .skill{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
html[lang=en] .sk-tag{letter-spacing:.04em}
@media (max-width:700px){
  .skill,html[lang=en] .skill{grid-template-columns:1fr;gap:1.1rem}
}
@media (max-width:640px){
  .mastnav a:nth-child(-n+2){display:none}
  html[lang=en] .mastnav a:nth-child(4),
  html[lang=en] .mastnav a:nth-child(5){display:none}
}
@media (max-width:420px){
  .mastnav{font-size:.75rem;gap:.85rem}
  .mastnav a:nth-child(-n+2),.mastnav a:nth-child(4){display:none}
}

/* ---------- 改前 / 改后 ---------- */
.change{
  margin-top:clamp(2rem,5vw,4rem);
  padding-block:clamp(3.5rem,8vw,7rem) clamp(2rem,5vw,4rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 16%,transparent);
}
.change-title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.7rem,1.1rem + 2.6vw,3.2rem);
  line-height:1.14;letter-spacing:-.01em;
  margin-top:clamp(1.1rem,2.5vw,1.8rem);max-width:26ch;
}
.nb{white-space:nowrap}
.change-legend{
  display:flex;flex-wrap:wrap;align-items:center;gap:clamp(.9rem,2vw,1.8rem);
  margin-top:clamp(1.6rem,3vw,2.4rem);font-size:.75rem;letter-spacing:.14em;color:var(--ink-faint);
}
.change-legend .lg{display:inline-flex;align-items:center;gap:.5rem;color:var(--ink-soft)}
.lg-swatch{display:inline-block;width:22px;height:8px}
.lg-swatch.is-before{background:repeating-linear-gradient(115deg,color-mix(in srgb,var(--ink) 46%,transparent) 0 4px,color-mix(in srgb,var(--ink) 14%,transparent) 4px 8px)}
.lg-swatch.is-after{background:var(--accent)}
.lg-note{letter-spacing:.04em}

.bars{margin-top:clamp(2rem,4vw,3rem)}
.bars li + li{margin-top:clamp(2.2rem,4.5vw,3.4rem)}
.bar-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:1.2rem;
  padding-bottom:.65rem;border-bottom:var(--hair) solid color-mix(in srgb,var(--ink) 14%,transparent);
}
.bar-label{font-size:.875rem;letter-spacing:.1em;color:var(--ink)}
.bar-delta{
  font-family:var(--serif);font-weight:400;line-height:.9;letter-spacing:-.02em;white-space:nowrap;
  font-size:clamp(1.5rem,1rem + 2.2vw,2.6rem);color:var(--accent-deep);
}
.bar-delta i{font-style:normal;font-size:.5em;margin-left:.04em}
.bar-row{
  display:grid;grid-template-columns:2.6em minmax(0,1fr) 6.5em;
  align-items:center;column-gap:clamp(.7rem,1.6vw,1.2rem);margin-top:.75rem;
}
.bar-tag{font-size:.6875rem;letter-spacing:.14em;color:var(--ink-faint)}
.bar-row.is-after .bar-tag{color:var(--accent-deep)}
.bar-track{position:relative;height:10px;background:color-mix(in srgb,var(--ink) 5%,transparent)}
.bar-track i{position:absolute;left:0;top:0;bottom:0;display:block}
.is-before .bar-track i{background:repeating-linear-gradient(115deg,color-mix(in srgb,var(--ink) 46%,transparent) 0 4px,color-mix(in srgb,var(--ink) 14%,transparent) 4px 8px)}
.is-after .bar-track i{background:var(--accent)}
.f-100{width:100%}.f-50{width:50%}.f-28{width:28%}.f-20{width:20%}.f-07{width:7%}
.bar-val{
  font-family:var(--serif);font-weight:400;text-align:right;letter-spacing:-.01em;
  font-size:clamp(1rem,.92rem + .4vw,1.35rem);line-height:1;color:var(--ink-soft);
}
.bar-row.is-after .bar-val{color:var(--accent-deep)}
@media (max-width:600px){
  .bar-row{grid-template-columns:2.4em minmax(0,1fr) 5.2em}
  .bar-head{flex-direction:column;align-items:flex-start;gap:.3rem}
}

.deltas{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(1.6rem,3.5vw,2.8rem);
  margin-top:clamp(3rem,6vw,5rem);padding-top:clamp(2rem,4vw,3rem);
  border-top:var(--hair) solid color-mix(in srgb,var(--ink) 16%,transparent);
}
.deltas b{
  display:block;font-family:var(--serif);font-weight:400;
  font-size:clamp(2rem,1.2rem + 3.2vw,3.4rem);line-height:.9;letter-spacing:-.02em;
}
.deltas b i{font-style:normal;font-size:.42em;color:var(--accent-deep);margin-left:.06em}
.deltas span{display:block;margin-top:.7rem;font-size:.8125rem;letter-spacing:.06em;color:var(--ink-soft)}

/* ---------- 微信二维码 ---------- */
.qr{
  margin-top:clamp(2.8rem,5.5vw,4.4rem);
  display:flex;align-items:flex-end;gap:clamp(1.2rem,3vw,2.2rem);flex-wrap:wrap;
}
.qr-btn{
  display:block;flex:none;padding:0;border:0;background:none;cursor:pointer;
  text-align:left;color:inherit;
}
.qr-shot{
  display:block;grid-area:auto;width:min(208px,52vw);aspect-ratio:1 / 1;position:relative;
  border:var(--hair) solid color-mix(in srgb,var(--ink) 16%,transparent);
  background:var(--paper);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.qr-shot img{object-fit:contain;padding:6px}
.qr figcaption{display:flex;flex-direction:column;gap:.4rem;padding-bottom:.4rem}
.qr figcaption b{font-family:var(--serif);font-weight:400;font-size:clamp(1.3rem,1.1rem + .8vw,1.8rem)}
.qr figcaption span{font-size:.8125rem;letter-spacing:.08em;color:var(--ink-faint)}

.qr-btn:hover .qr-shot,.qr-btn:focus-visible .qr-shot{
  transform:translateY(-4px);
  border-color:color-mix(in srgb,var(--accent) 55%,transparent);
  box-shadow:0 10px 26px -18px color-mix(in srgb,var(--ink) 70%,transparent);
}
.qr-hint{
  display:inline-block;margin-top:.7rem;font-size:.6875rem;letter-spacing:.18em;
  color:var(--ink-faint);opacity:0;transform:translateY(-4px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.qr-btn:hover .qr-hint,.qr-btn:focus-visible .qr-hint{opacity:1;transform:none}
.qr-btn:active .qr-shot{transform:translateY(-1px);transition-duration:.12s}

.qr-zoom{
  position:absolute;right:9px;bottom:9px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent);color:var(--paper);
  opacity:0;transform:scale(.7) translateY(5px);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.qr-btn:hover .qr-zoom,.qr-btn:focus-visible .qr-zoom{opacity:1;transform:none}

@media (hover:none){
  .qr-hint,.qr-zoom{opacity:1;transform:none}
}

.qrbox{position:fixed;inset:0;z-index:80;display:grid;place-items:center}
.qrbox[hidden]{display:none}
.qrbox-scrim{
  position:absolute;inset:0;background:color-mix(in srgb,var(--ink) 62%,transparent);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  animation:fade .3s var(--ease) both;
}
.qrbox-panel{
  position:relative;background:var(--paper);
  padding:clamp(1.4rem,4vw,2.4rem);
  width:min(440px, 100% - 2*clamp(14px,5vw,48px));
  text-align:center;
  box-shadow:0 30px 70px -40px color-mix(in srgb,var(--ink) 80%,transparent);
  animation:rise .38s var(--ease) both;
}
.qrbox-panel img{width:100%;height:auto;display:block}
.qrbox-cap{margin-top:1.1rem;font-size:.875rem;letter-spacing:.06em;color:var(--ink-soft)}
.qrbox-cap b{font-family:var(--serif);font-weight:400;font-size:1.15rem;margin-right:.6rem;color:var(--ink)}
.qrbox-close{
  margin-top:1.2rem;padding:.5rem 1rem;background:none;cursor:pointer;
  border:var(--hair) solid color-mix(in srgb,var(--ink) 24%,transparent);
  font:inherit;font-size:.75rem;letter-spacing:.16em;color:var(--ink-soft);
  transition:border-color .3s var(--ease),color .3s var(--ease);
}
.qrbox-close:hover,.qrbox-close:focus-visible{border-color:var(--accent);color:var(--accent-deep)}
.qrbox-close .x{margin-left:.5rem}

/* ---------- 返回顶部 ---------- */
.totop{
  position:fixed;right:clamp(14px,3vw,34px);
  bottom:calc(clamp(16px,3.4vw,34px) + env(safe-area-inset-bottom,0px));
  z-index:40;display:grid;place-items:center;
  width:46px;height:46px;border-radius:50%;padding:0;cursor:pointer;
  background:color-mix(in srgb,var(--paper) 86%,transparent);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border:var(--hair) solid color-mix(in srgb,var(--ink) 18%,transparent);
  color:var(--ink);
  opacity:0;visibility:hidden;transform:translateY(10px) scale(.92);
  transition:opacity .38s var(--ease),transform .38s var(--ease),
             visibility .38s,border-color .3s var(--ease),color .3s var(--ease),
             box-shadow .3s var(--ease);
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop.is-on:hover{
  transform:translateY(-3px);color:var(--accent-deep);
  border-color:color-mix(in srgb,var(--accent) 60%,transparent);
  box-shadow:0 12px 26px -18px color-mix(in srgb,var(--ink) 75%,transparent);
}
.totop.is-on:active{transform:translateY(0);transition-duration:.12s}
.no-js .totop{display:none}
.no-js .filters,.no-js .copy{display:none}
.no-js .work{cursor:auto}
@media (prefers-reduced-motion: reduce){
  .qr-shot,.qr-hint,.qr-zoom{transition:none}
  .qrbox-scrim,.qrbox-panel{animation:none}
  .totop{transition:opacity .01s,visibility .01s}
}

/* ---------- 英文版排版微调 ---------- */
html[lang=en] .display{word-break:normal;overflow-wrap:normal}
html[lang=en] .hint,html[lang=en] .modal-foot{letter-spacing:.02em}
html[lang=en] .filter-status{letter-spacing:.1em}
html[lang=en] .num-row span{max-width:18em}
html[lang=en] .bar-row{grid-template-columns:4.6em minmax(0,1fr) 5.6em}
@media (max-width:600px){
  html[lang=en] .bar-row{grid-template-columns:4.2em minmax(0,1fr) 5em}
}
@media (max-width:560px){
  html[lang=en] .display br{display:none}
}