@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/source-serif-4-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/source-serif-4-400-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/source-serif-4-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/source-serif-4-400-ext.woff2") format("woff2");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-400.woff2") format("woff2");
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF00-FFEF;
}
:root {
  --ink: #1c2128;
  --muted: #6b7380;
  --line: #eceff3;
  --paper: #f6f7f9;
  --card: #fff;
  --cyan: #0b1f3a;
  --mint: #e8f6ff;
  --warn: #8a3b2b;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Serif 4", "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  font-size: 17px;
  line-height: 1.7;
}
a { color: inherit; }
img { max-width: 100%; }
.shell {
  display: grid;
  grid-template-columns: 212px minmax(0, 1fr) 240px;
  gap: 32px;
  align-items: start;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px 64px;
}
.rail { position: sticky; top: 18px; }
.brand img { display: block; width: 7.4rem; height: auto; }
.motto { margin: .7rem 0 1.1rem; color: var(--muted); font-size: .86rem; }
.nav { display: grid; gap: .15rem; }
.nav a {
  display: block;
  padding: .42rem .7rem;
  border-radius: 9px;
  text-decoration: none;
  white-space: nowrap;
}
.nav a.on, .nav a:hover { background: var(--mint); }
.feed {
  padding: 4px 8px 12px;
  background: #fff;
  border-radius: 16px;
}
.tabs {
  display: flex;
  gap: 1.3rem;
  margin: 0 16px;
  border-bottom: 1px solid var(--line);
}
.tabs span, .tabs a {
  padding: .9rem 0 .7rem;
  color: var(--muted);
  text-decoration: none;
}
.tabs .on { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--ink); margin-bottom: -1px; }
.feed-pad { padding: 6px 18px 0; }
.stage { margin: 14px 16px 2px; }
.stage-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: #e7ebf0;
}
.stage-frame img { display: block; width: 100%; height: 100%; object-fit: cover; }
.stage-copy {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  padding: .85rem 1rem 2rem;
  color: #fff;
  background: linear-gradient(to bottom, rgba(11, 31, 58, .62), transparent);
}
.stage-copy strong { display: block; font-size: 1.28rem; font-weight: 600; letter-spacing: -.02em; }
.stage-copy span { display: block; max-width: 36rem; font-size: .92rem; }
.stage button {
  width: auto;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, .9);
  color: #0b1f3a;
  font: inherit;
  cursor: pointer;
}
.stage-nav {
  position: absolute;
  top: 50%;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  transform: translateY(-50%);
}
.stage-nav.prev { left: .65rem; }
.stage-nav.next { right: .65rem; }
.stage-dots { display: flex; justify-content: center; gap: .4rem; margin: .65rem 0 .15rem; }
.stage-dots button { width: .42rem; height: .42rem; border-radius: 999px; background: #d5dbe2; }
.stage-dots button.on { width: 1.15rem; background: #0b1f3a; }
.post {
  display: block;
  padding: 1.25rem 0 1.15rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.post h2 {
  margin: .4rem 0 .35rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.35;
}
.post:hover h2 { color: #0a6ea8; }
.post p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: #5e6772;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.post small, .meta { display: block; margin-top: .55rem; color: #98a0aa; font-size: .8rem; }
.pill {
  display: inline-block;
  padding: .08rem .48rem;
  border-radius: 999px;
  background: #f2f4f7;
  color: #5c6772;
  font-size: .75rem;
  font-style: normal;
}
.side { display: grid; gap: 1.6rem; padding-top: .4rem; }
.profile p { margin: 0; font-size: .98rem; line-height: 1.65; }
.side h2, h2 {
  margin: 0 0 .7rem;
  color: #8b939e;
  font-size: .82rem;
  font-weight: 600;
}
.num {
  display: grid;
  grid-template-columns: 1.7rem 1fr;
  gap: .35rem;
  align-items: baseline;
  padding: .38rem 0;
  text-decoration: none;
}
.num i { color: #b0b7c0; font-style: normal; font-size: .82rem; }
.num:hover span { color: #0a6ea8; }
.article { padding: 1.4rem 1.2rem 2rem; }
.article h1, h1 {
  margin: .35rem 0 0;
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  letter-spacing: -.02em;
  line-height: 1.25;
}
.kicker { margin: 0 0 .35rem; color: var(--muted); font-size: .82rem; }
.dek { margin: .8rem 0 0; color: var(--muted); }
.article .body { margin-top: 1.4rem; font-size: 1.02rem; line-height: 1.85; }
.article .body p { margin: 0 0 1rem; }
.article .body img { display: block; width: 100%; height: auto; margin: 1.2rem 0 1.4rem; }
.article .keywords { margin: 1.4rem 0 0; color: var(--muted); font-size: .95rem; }
.article .sources { margin-top: 1.8rem; }
.article .sources h2 { margin: 0 0 .6rem; font-size: 1.15rem; }
.article .sources li { margin: 0 0 .4rem; }
.article .sources a { color: #0a6ea8; }
.file-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .7rem 1rem;
  margin-top: 1.2rem;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.file-name { font-weight: 640; word-break: break-all; }
.preview { margin-top: 1rem; }
.preview pre {
  margin: .35rem 0 0;
  padding: .9rem 1rem;
  max-height: 22rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: #f3f5f7;
  border-radius: 12px;
  font: .86rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.preview img { display: block; max-width: 100%; margin-top: .35rem; border-radius: 12px; }
form.lead, .studio form { display: grid; gap: .7rem; max-width: 28rem; margin-top: 1.2rem; }
label { display: grid; gap: .3rem; }
label[hidden], button[hidden] { display: none; }
input, textarea, select {
  width: 100%;
  padding: .6rem .7rem;
  border: 1px solid #e3e7ec;
  border-radius: 10px;
  background: #fff;
  color: inherit;
  font: inherit;
}
textarea { min-height: 9rem; resize: vertical; }
button:disabled { opacity: .38; cursor: not-allowed; }
button, .btn {
  width: fit-content;
  padding: .55rem .95rem;
  border: 0;
  border-radius: 10px;
  background: #0b1f3a;
  color: #f7f4ee;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
button.ghost, .btn.ghost { background: transparent; color: var(--ink); border: 1px solid #d7dde4; }
.msg { min-height: 1.3em; color: var(--warn); }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 980px;
  margin: 0 auto;
  padding: 1.1rem 1.4rem;
}
.top .nav { display: flex; flex-wrap: wrap; gap: .4rem 1rem; }
.studio { max-width: 980px; margin: 0 auto; padding: 0 1.4rem 3rem; display: grid; gap: 2rem; }
.studio .piece { padding: 1rem 0; border-top: 1px solid var(--line); }
.studio .piece b { display: block; font-size: 1.05rem; }
.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.check { display: flex; gap: .5rem; align-items: center; }
.check input { width: auto; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; gap: 1.2rem; }
  .rail { position: static; }
  .nav { display: flex; flex-wrap: wrap; }
  .side { padding-top: 0; }
}