/* R07 · 字体工作室 + 评论 / 骨架反解自 counter-forms.com
   基因：米白纸 · 高饱和色块 · 瀑布流混排（字卡与文章同权）· 零圆角 · 边缘噪点 */

:root{
  --paper:#f4f1e8;
  --ink:#12100e;
  --muted:#6e685e;
  --line:#d8d2c4;
  --red:#df4a25;
  --blue:#1f4fd8;
  --acid:#d5d92b;
  --green:#1f6a4a;
  --pad:clamp(16px,3.2vw,44px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);
  font-family:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--ink);color:var(--paper)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* 纸张噪点：一层极淡的点阵，压在内容之下 */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(18,16,14,.055) .6px,transparent .6px);
  background-size:4px 4px;opacity:.7;
}
body > *{position:relative;z-index:1}

.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:11px;letter-spacing:.03em}

/* 土地声明条 */
.ack{
  background:var(--ink);color:var(--paper);
  padding:9px var(--pad);font-size:11.5px;line-height:1.5;
  display:flex;gap:14px;align-items:baseline;
}
.ack b{font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-size:10px;white-space:nowrap;color:var(--acid)}
.ack p{opacity:.78;max-width:120ch}

/* 顶栏 */
.top{border-bottom:1px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:40}
.top-in{max-width:1600px;margin:0 auto;padding:0 var(--pad);height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-weight:600;font-size:17px;letter-spacing:-.03em}
.brand i{font-style:normal;color:var(--red)}
.nav{display:flex;gap:clamp(12px,2vw,26px);align-items:center}
.nav a{font-size:12.5px;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav .bl{color:var(--blue)}

/* 首屏 */
.hero{max-width:1600px;margin:0 auto;padding:clamp(30px,5vw,66px) var(--pad) clamp(22px,3vw,34px)}
.hero h1{
  font-size:clamp(2rem,5.2vw,4.4rem);line-height:1.02;letter-spacing:-.015em;font-weight:600;max-width:26ch;
}
.hero h1 em{font-style:normal;color:var(--red)}
.hero-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:clamp(18px,2.6vw,28px);
  padding-top:14px;border-top:1px solid var(--ink)}
.hero-row p{max-width:56ch;font-size:14px;color:var(--muted);line-height:1.75}
.hero-row .sub{font-size:11px;color:var(--ink);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}

/* 瀑布流：column 布局，卡片之间只留 1px 缝 */
.feed{
  max-width:1600px;margin:0 auto;padding:0 var(--pad) clamp(40px,6vw,80px);
  columns:3;column-gap:1px;
}
.feed > *{
  break-inside:avoid;margin-bottom:1px;
  background:var(--paper);
  border:1px solid var(--line);
  padding:clamp(16px,2vw,24px);
  display:block;
  transition:background .25s ease;
}
.feed > *:hover{background:#fffdf6}

/* 字卡 */
.tile-word{padding:clamp(18px,2.4vw,30px)}
.tile-word .w{
  font-size:clamp(56px,9vw,120px);line-height:.84;letter-spacing:-.05em;display:block;
  margin-bottom:14px;
}
.tile-word.serif .w{font-family:"Songti SC","Source Han Serif SC",Georgia,serif;font-weight:600;letter-spacing:.02em}
.tile-word.mono .w{font-family:ui-monospace,Menlo,monospace;letter-spacing:-.06em;font-size:clamp(40px,6vw,74px)}
.tile-word.kai .w{font-family:"Kaiti SC",KaiTi,serif;letter-spacing:.05em}
.tile-word .w.fill{color:var(--red)}
.tile-word .meta-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px;border-top:1px solid var(--line);padding-top:10px}
.tile-word h3{font-size:13.5px;font-weight:600;letter-spacing:-.01em}
.tile-word .by{font-size:11px;color:var(--muted)}

/* 色块卡 */
.tile-color{background:var(--red);border-color:var(--red);color:#fff;min-height:220px;
  display:flex;flex-direction:column;justify-content:space-between}
.tile-color.blue{background:var(--blue);border-color:var(--blue)}
.tile-color.acid{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.tile-color.green{background:var(--green);border-color:var(--green)}
.tile-color .big{font-size:clamp(26px,3.4vw,40px);line-height:1.02;letter-spacing:-.035em;font-weight:600}
.tile-color .tail{font-size:11px;letter-spacing:.1em;text-transform:uppercase;opacity:.8}

/* 文章卡 */
.tile-text h3{font-size:clamp(18px,1.8vw,22px);line-height:1.2;letter-spacing:-.025em;font-weight:600;margin-bottom:10px}
.tile-text .by{font-size:11.5px;color:var(--muted);margin-bottom:12px;display:block}
.tile-text p{font-size:13.5px;line-height:1.72;color:#3a352e}
.tile-text .more{display:inline-block;margin-top:12px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--ink);padding-bottom:2px}

/* 通知条卡 */
.tile-note{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.tile-note .mono{color:var(--acid);letter-spacing:.16em;text-transform:uppercase;font-size:10px}
.tile-note p{margin-top:10px;font-size:14px;line-height:1.6;max-width:34ch}

/* 订阅条 */
.tile-sub{display:flex;flex-direction:column;gap:12px}
.tile-sub p{font-size:13px;color:var(--muted);line-height:1.7}
.tile-sub form{display:flex;gap:0;border-bottom:1px solid var(--ink)}
.tile-sub input{
  flex:1;background:transparent;border:0;padding:9px 0;font:inherit;font-size:13.5px;color:var(--ink);
}
.tile-sub input::placeholder{color:#a39c8e}
.tile-sub input:focus{outline:2px solid transparent;outline-offset:2px}
.tile-sub button{border:0;background:none;font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:0 4px;cursor:pointer}
.tile-sub button:hover{color:var(--blue)}
.tile-sub input:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* 页头 */
.phead{max-width:1600px;margin:0 auto;padding:clamp(32px,5vw,74px) var(--pad) clamp(20px,3vw,34px)}
.phead h1{font-size:clamp(2rem,6vw,5rem);line-height:.94;letter-spacing:-.05em;font-weight:600}
.phead .sub{margin-top:18px;max-width:54ch;color:var(--muted);font-size:15px;line-height:1.8}

/* 文章列表 */
.list{max-width:1600px;margin:0 auto;padding:0 var(--pad) clamp(40px,6vw,80px);border-top:1px solid var(--ink)}
.item{
  display:grid;grid-template-columns:84px 1fr 200px;gap:clamp(12px,2.4vw,32px);
  padding:clamp(18px,2.4vw,28px) 0;border-bottom:1px solid var(--line);
  transition:background .25s,padding-left .3s;
}
.item:hover{background:#fffdf6;padding-left:8px}
.item .dt{font-family:ui-monospace,monospace;font-size:11px;color:var(--muted);padding-top:5px}
.item h3{font-size:clamp(17px,2vw,24px);letter-spacing:-.025em;line-height:1.25;font-weight:600}
.item p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;max-width:64ch}
.item .who{font-size:11.5px;color:var(--muted);text-align:right;padding-top:5px}

/* 字体详情 */
.spec{
  max-width:1600px;margin:0 auto;padding:0 var(--pad) clamp(30px,4vw,56px);
  display:grid;grid-template-columns:1.4fr .6fr;gap:1px;background:var(--line);border:1px solid var(--line);
}
.spec > div{background:var(--paper);padding:clamp(20px,3vw,40px)}
.spec .glyph{
  font-family:"Songti SC","Source Han Serif SC",Georgia,serif;font-weight:600;
  font-size:clamp(90px,20vw,240px);line-height:.82;letter-spacing:-.02em;
}
.spec dl{display:grid;gap:12px;margin-top:6px}
.spec dt{font-family:ui-monospace,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.spec dd{font-size:14px;line-height:1.7;margin-top:2px}
.spec dd + dt{margin-top:10px}

.charset{max-width:1600px;margin:0 auto;padding:clamp(20px,3vw,40px) var(--pad) clamp(40px,6vw,80px)}
.charset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.charset-grid i{
  font-style:normal;aspect-ratio:1;display:flex;align-items:center;justify-content:center;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:24px;
  font-family:"Songti SC",Georgia,serif;
}
.charset-grid i:nth-child(7n){background:var(--acid)}
.charset-grid i:nth-child(11n){background:var(--red);color:#fff}
.charset-grid i:nth-child(17n){background:var(--blue);color:#fff}

.price-two{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}

/* 页脚 */
.foot{background:var(--ink);color:var(--paper);margin-top:clamp(30px,4vw,60px)}
.foot-in{max-width:1600px;margin:0 auto;padding:clamp(28px,4vw,48px) var(--pad);
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.foot p{font-size:13px;opacity:.7;max-width:44ch;line-height:1.75}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot nav a{font-size:12.5px;opacity:.8}
.foot nav a:hover{opacity:1;color:var(--acid)}
.foot-btm{max-width:1600px;margin:0 auto;padding:14px var(--pad) 26px;border-top:1px solid rgba(244,241,232,.18);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:10.5px;letter-spacing:.06em;opacity:.6}

.rv{opacity:0;transform:translateY(12px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

@media (max-width:1040px){ .feed{columns:2} }
@media (max-width:680px){
  .feed{columns:1}
  .item{grid-template-columns:1fr;gap:8px}
  .item .who{text-align:left}
  .spec{grid-template-columns:1fr}
  .price-two{grid-template-columns:1fr}
  .ack{flex-direction:column;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .rv{opacity:1;transform:none}
}