/* ============================================================
   数译 · Math Translations - 编辑排版风设计系统（v13）
   纯白 / 墨色 / 朱砂  ·  发丝线分隔  ·  无渐变、无投影
   v13：按定稿展示页对齐导航/页脚/首页/浏览表格/详情时间轴
   字体契约见 fonts.css（全站正体 Almarai）
   ============================================================ */
/* hidden 属性优先于组件自身的 display（如 .segmented / .ranking 的 flex/grid） */
[hidden] { display: none !important; }

:root {
  /* -- 色彩 -- */
  --bg: #ffffff;                 /* 纯白底 */
  --bg-deep: #f6f6f4;            /* 中性灰（占位符、代码底、hover 底） */
  --card: #ffffff;               /* 亮纸（控件、认证卡） */
  --ink: #28241b;                /* 墨色正文 */
  --ink-soft: #6d675a;           /* 次要文字 */
  --ink-faint: #a09a8b;          /* 提示 / 时间戳 */
  --accent: #b04a2e;             /* 朱砂强调色 */
  --accent-deep: #8f3c26;        /* 朱砂 hover */
  --accent-tint: #f6e7df;        /* 朱砂浅底 */
  --ok: #3f6d47;   --ok-tint: #e3ebdf;
  --warn: #8a5f16; --warn-tint: #f3ead7;
  --bad: #a3342c;  --bad-tint: #f6e5e1;
  /* -- 发丝线 -- */
  --line: rgb(40 36 27 / 14%);
  --line-soft: rgb(40 36 27 / 8%);
  /* -- 圆角（克制；胶囊仅用于按钮 / 徽章 / 标签） -- */
  --radius: 10px;
  --radius-sm: 7px;
  /* -- 字体 -- */
  --font-sans: 'Almarai', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --font-serif: 'Almarai', 'Songti SC', 'STSong', 'Noto Serif SC', serif;
  --ease: cubic-bezier(.22,.61,.21,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.65 var(--font-sans);
  text-rendering: optimizeLegibility;
}
::selection { color: var(--ink); background: var(--accent-tint); }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }
button, input, textarea, select { font: inherit; color: inherit; }

/* -- 按钮：墨丸为主，outline 为发丝线次按钮 -- */
button, .button {
  display: inline-flex; justify-content: center; align-items: center; gap: .45em; min-height: 44px;
  padding: .68rem 1.5rem; border: 1px solid var(--ink); border-radius: 999px;
  color: #ffffff; background: var(--ink); cursor: pointer; font-weight: 700;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
button:hover, .button:hover { color: #ffffff; background: var(--accent-deep); border-color: var(--accent-deep); }
.button.outline {
  color: var(--ink); background: transparent; border-color: var(--line); font-weight: 400;
}
.button.outline:hover { color: var(--accent); border-color: var(--accent); background: transparent; }
.button.small { min-height: 34px; padding: .32rem .95rem; font-size: .85rem; color: #ffffff; background: var(--ink); }
.button.small:hover { color: #ffffff; background: var(--accent-deep); }
.form-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.panel a.button.small, .panel a.button.small:hover { color: #ffffff; }

/* -- 表单控件 -- */
input, textarea, select {
  width: 100%; padding: .72rem .95rem; border: 1px solid var(--line);
  border-radius: var(--radius-sm); color: var(--ink); background: var(--card);
  transition: border-color .2s var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--ink-faint); }
input:focus, textarea:focus, select:focus { outline: 2px solid rgb(176 74 46 / 28%); outline-offset: 1px; border-color: var(--accent); }
input[type="radio"], input[type="checkbox"] { width: auto; accent-color: var(--accent); }
textarea { resize: vertical; }
code { padding: .1em .35em; border-radius: 5px; background: var(--bg-deep); color: var(--ink); font-size: .92em; }

/* -- 标题排版 -- */
h1, h2, h3 { color: var(--ink); }
h1, h2 { margin-top: 0; font-family: var(--font-serif); font-weight: 500; line-height: 1.12; letter-spacing: -.015em; }
h1 { margin-bottom: 1.2rem; font-size: clamp(2.4rem, 5.6vw, 4.4rem); }
h2 { margin-bottom: .7rem; font-size: clamp(1.35rem, 2.3vw, 1.9rem); }
h3 { font-size: 1.05rem; }

/* -- 布局基础 -- */
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 40px)); }
.sr-only, .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
.note { color: var(--ink-faint); font-size: .8rem; }
.anchor { scroll-margin-top: 110px; }
.num, .numeral { font-family: 'Almarai', serif; }
.numeral { color: var(--ink-faint); }
/* 两侧发丝线夹住的小标签（页面分区名） */
.rule-label {
  display: flex; align-items: center; gap: 14px; margin-bottom: 2.4rem;
  color: var(--ink-faint); font-size: .72rem; font-weight: 700; letter-spacing: .28em; text-transform: uppercase;
}
.rule-label::before, .rule-label::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
/* 小胶囊（版本号、计数等） */
.pill {
  display: inline-flex; align-items: center; gap: .35em; padding: .14rem .62rem;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink-soft); font-size: .74rem; font-variant-numeric: tabular-nums; white-space: nowrap;
}

/* -- 噪点纹理（纯纹理，非渐变；保持克制） -- */
.noise-overlay { position: absolute; inset: 0; z-index: 1; mix-blend-mode: overlay; opacity: .35; pointer-events: none; }
.noise-overlay::before, .bg-noise::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.bg-noise { position: relative; overflow: hidden; }
.bg-noise::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .06; z-index: 0; pointer-events: none;
}
.bg-noise > * { position: relative; z-index: 1; }

/* -- 顶部导航：紧凑磨砂胶囊（左品牌 / 中菜单 / 右登录） -- */
.site-header {
  position: fixed; z-index: 50; top: 12px; left: 50%; transform: translateX(-50%);
  width: max-content; max-width: calc(100vw - 24px);
  padding: .5rem .9rem; border: 1px solid var(--line); border-radius: 999px;
  background: rgb(255 255 255 / 85%);
  backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
}
.site-header nav { display: flex; align-items: center; justify-content: space-between; gap: 1.4rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; margin-right: 0; color: var(--ink); flex: none; }
.brand:hover { color: var(--ink); }
.brand-logo { display: block; width: auto; height: 30px; }
.foot-brand .brand-logo { height: 48px; }
.nav-menu { display: flex; align-items: center; gap: .1rem; }
.nav-menu a {
  display: inline-flex; align-items: center; gap: .4em;
  position: relative;
  padding: .42rem .95rem; border-radius: 999px;
  color: rgb(40 36 27 / 72%); font-size: .84rem; white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease);
}
/* 悬停丝滑下划线（迁移自致谢页导航）：左起划入 */
.nav-menu a::after {
  content: ""; position: absolute; left: .95rem; right: .95rem; bottom: -3px;
  height: 2px; border-radius: 2px; background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-menu a:not(.active):hover::after { transform: scaleX(1); }
.nav-menu a:hover { color: var(--ink); }
.nav-menu a.active { color: #ffffff; background: var(--accent); }
.nav-side { display: flex; align-items: center; gap: .15rem; flex: none; }
.nav-side > a, .nav-side .link-button { display: inline-flex; align-items: center; gap: .4em; padding: .42rem .8rem; border-radius: 999px; color: rgb(40 36 27 / 72%); font-size: .8rem; white-space: nowrap; }
.nav-side > a:hover, .nav-side .link-button:hover { color: var(--ink); background: rgb(246 246 244 / 55%); }
nav form { display: inline; }
.link-button { min-height: 0; padding: 0; border: 0; color: inherit; background: none; font-weight: inherit; }
.link-button:hover { color: inherit; background: none; }
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  color: var(--ink-soft); transition: color .2s var(--ease), background .2s var(--ease);
}
.icon-btn:hover { color: var(--ink); background: var(--bg-deep); }
/* 登录按钮：黑底白字，hover 保持不变（高优先级覆盖 .nav-side > a 的颜色） */
.nav-side .nav-cta, .nav-side .nav-cta:hover {
  display: inline-flex; align-items: center; gap: .45em; padding: .55rem 1.2rem;
  border-radius: 999px; color: #fff; background: var(--ink); font-size: .8rem; font-weight: 700;
}
body { padding-top: 84px; }

/* -- lucide 图标统一尺寸（stroke-width 由 JS 设为 1.5） -- */
svg.lucide { width: 1em; height: 1em; vertical-align: -.14em; flex: none; }
.site-header svg.lucide { width: .92em; height: .92em; }
.icon-link { display: inline-flex; align-items: center; gap: .4em; }
/* .back 定义在后（inline-block），此处补足组合时的表现 */
.back.icon-link { display: inline-flex; }

/* -- 消息（发丝线 + 状态色左边条，无投影） -- */
.messages { position: fixed; z-index: 60; top: 88px; right: 20px; width: min(400px, calc(100% - 40px)); transition: opacity .7s ease; }
.message { margin: 0 0 .5rem; padding: .85rem 1.1rem; border: 1px solid var(--line); border-left: 2px solid var(--ok); border-radius: var(--radius); background: var(--card); color: var(--ok); }
.message.error { border-left-color: var(--bad); color: var(--bad); }

/* -- 文本动效（初始态仅在 html.js 下隐藏，JS 用 motion 驱动到终态） -- */
.wp { display: inline-flex; flex-wrap: wrap; }
html.js .wp-w { opacity: 0; transform: translateY(.4em); }
html.js .reveal { opacity: 0; transform: translateY(16px); }
html.js .char-reveal .ch { opacity: .16; }

/* ============================================================
   首页
   ============================================================ */
.hero { position: relative; padding: 104px 0 88px; text-align: center; }
/* hero 两侧扁平几何色块（纯色、无渐变、无动效；与内容共用调色板） */
.hero-deco { position: absolute; z-index: 0; pointer-events: none; }
.hero-deco.deco-plus { top: 40px; left: 3%; width: 60px; height: 60px; background: var(--ok-tint); clip-path: polygon(34% 0, 66% 0, 66% 34%, 100% 34%, 100% 66%, 66% 66%, 66% 100%, 34% 100%, 34% 66%, 0 66%, 0 34%, 34% 34%); }
.hero-deco.deco-tri { bottom: 56px; right: 3%; width: 122px; height: 94px; background: var(--warn-tint); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.hero-deco.deco-seal { top: 118px; right: 8%; width: 54px; height: 54px; background: var(--accent); clip-path: polygon(34% 0, 66% 0, 66% 34%, 100% 34%, 100% 66%, 66% 66%, 66% 100%, 34% 100%, 34% 66%, 0 66%, 0 34%, 34% 34%); transform: rotate(12deg); }
.hero > :not(.hero-deco) { position: relative; z-index: 1; }
.hero-badge {
  display: flex; width: fit-content; margin-inline: auto; align-items: center; gap: .55rem; margin-bottom: 2.2rem;
  padding: .42rem 1.05rem; border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink-soft); font-size: .76rem;
}
.hero-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-title {
  margin: 0; font-family: var(--font-serif); font-size: clamp(4rem, 14vw, 10.5rem); font-weight: 500; line-height: .9;
  letter-spacing: -.04em; color: var(--ink);
}
.hero-sub { margin: 1.4rem 0 0; font-family: var(--font-serif); font-size: clamp(1.25rem, 2.6vw, 1.9rem); color: rgb(40 36 27 / 80%); }
.hero-intro { max-width: 640px; margin: 1.5rem auto 2.6rem; color: var(--ink-soft); text-wrap: balance; }
.hero-intro.copyright { margin-top: -1.2rem; color: var(--ink-faint); font-size: .92em; }
.hero-cta-row { display: flex; justify-content: center; align-items: center; gap: .8rem; flex-wrap: wrap; }
.hero-search { position: relative; width: min(420px, 100%); }
.hero-search svg.lucide { position: absolute; left: 1.15rem; top: 50%; translate: 0 -50%; color: var(--ink-faint); }
.hero-search input { width: 100%; padding: .82rem 1.1rem .82rem 2.7rem; border: 1px solid var(--line); border-radius: 999px; background: rgb(255 255 255 / 60%); }
.hero-search input:focus { outline: 2px solid rgb(176 74 46 / 28%); outline-offset: 1px; border-color: var(--accent); }
.hero-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; max-width: 780px; margin: 4rem auto 0; }
.hero-stats div { text-align: center; }
.hero-stats div + div { border-left: 1px solid var(--line-soft); }
.hero-stats b { display: block; font-family: 'Almarai', 'Songti SC', serif; font-weight: 500; font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.1; color: var(--ink); }
.hero-stats span { color: var(--ink-soft); font-size: .74rem; letter-spacing: .08em; }

/* -- 标签与引文 -- */
.eyebrow { margin: 0 0 .8rem; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; }
.lede { max-width: 720px; color: var(--ink-soft); }

/* -- 首页：最近更新 + 下载排行 -- */
.home-lists { padding: 88px 0; border-top: 1px solid var(--line-soft); }
.section-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .85fr); gap: 64px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.5rem; }
.section-heading h2, .section-heading p { margin-bottom: 0; }
.section-heading > a, .section-heading > span { color: var(--ink-soft); font-size: .86rem; }

/* -- 列表行（分隔线行）：序号 + 标题 + 元信息行 + 右上箭头 -- */
.card-list { border-top: 1px solid var(--line); }
.card-list.bare { border-top: 0; }
.book-card {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) 28px; gap: 1.2rem; align-items: start;
  padding: 1.3rem .35rem; color: var(--ink); border-bottom: 1px solid var(--line-soft);
  transition: background .25s var(--ease);
}
.book-card:hover { color: var(--ink); background: rgb(40 36 27 / 3%); }
.book-card.has-thumb { grid-template-columns: 54px minmax(0, 1fr) 28px; }
.book-index { padding-top: .3rem; color: var(--accent); font-family: 'Almarai', serif; font-size: 1.05rem; }
.book-copy strong { display: block; font-family: var(--font-serif); font-weight: 500; font-size: 1.22rem; line-height: 1.3; }
.book-copy .orig { display: block; margin-top: .12rem; color: var(--ink-faint); font-size: .85rem; overflow-wrap: anywhere; }
.book-line { display: flex; flex-wrap: wrap; gap: .35rem 1.2rem; margin-top: .55rem; color: var(--ink-soft); font-size: .82rem; }
.book-line span { display: inline-flex; align-items: center; gap: .45em; }
.book-line svg.lucide { color: var(--ink-faint); }
.book-card .go { padding-top: .45rem; color: var(--ink-faint); transition: color .25s var(--ease), transform .25s var(--ease); }
.book-card:hover .go { color: var(--accent); transform: translate(2px, -2px); }
/* 书籍页 / 搜索结果带右侧统计或缩略图的行 */
.book-card.roomy { grid-template-columns: 44px minmax(0, 1fr) auto; min-height: 96px; align-items: center; }
.book-meta { text-align: right; font-family: 'Almarai', serif; font-size: 1.1rem; white-space: nowrap; }
.book-meta small { display: block; font-family: var(--font-sans); font-style: normal; font-size: .72rem; color: var(--ink-soft); }
.thumb { width: 44px; height: 58px; object-fit: cover; border-radius: 5px; border: 1px solid var(--line-soft); }
.thumb-placeholder { width: 44px; height: 58px; border-radius: 5px; background: var(--bg-deep); }
.thumb-sm { width: 32px; height: 44px; object-fit: cover; border-radius: 4px; border: 1px solid var(--line-soft); flex: none; }
.thumb-sm.ph { display: grid; place-items: center; background: var(--bg-deep); color: var(--ink-soft); font-family: var(--font-serif); font-size: .9rem; }
.empty { padding: 1.6rem .35rem; color: var(--ink-faint); font-size: .9rem; }

/* -- 下载排行（发丝线盒，衬线序号） -- */
.ranking {
  margin: 0; padding: 0; list-style: none; counter-reset: rank;
  border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden;
  background: rgb(255 255 255 / 45%);
}
.ranking li { counter-increment: rank; }
.ranking li + li { border-top: 1px solid var(--line-soft); }
.ranking a { display: flex; align-items: center; gap: 1rem; padding: .95rem 1.2rem; color: var(--ink); transition: background .25s var(--ease); }
.ranking a:hover { background: rgb(246 246 244 / 45%); color: var(--ink); }
.ranking a::before { content: counter(rank, decimal-leading-zero); color: var(--accent); font-family: 'Almarai', serif; font-size: 1.05rem; }
.ranking a span { flex: 1; min-width: 0; }
.ranking a span strong { display: block; font-family: var(--font-serif); font-weight: 500; font-size: 1.02rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ranking a span small { display: block; color: var(--ink-soft); font-size: .76rem; }
.ranking b { font-family: 'Almarai', serif; font-weight: 400; font-size: 1rem; font-variant-numeric: tabular-nums; }

/* -- 关于区（居中长文） -- */
.about { padding: 96px 0 88px; border-top: 1px solid var(--line-soft); text-align: center; }
.about-title { max-width: 800px; margin: 0 auto 2.4rem; font-size: clamp(1.7rem, 4vw, 3.2rem); line-height: 1.15; }
.about-body { max-width: 720px; margin: 0 auto; color: var(--ink-soft); font-size: .95rem; line-height: 1.95; text-align: left; }
.about-sign { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 3rem; color: var(--ink-soft); }
.about-sign::before, .about-sign::after { content: ""; width: 44px; border-top: 1px solid var(--line); }
.about-sign span { font-family: var(--font-serif); }

/* -- 特性网格：左墨卡（跨两行）+ 亮纸卡 -- */
.features { padding: 88px 0; border-top: 1px solid var(--line-soft); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.feature-card {
  display: flex; flex-direction: column; padding: 1.9rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgb(255 255 255 / 55%); transition: background .3s var(--ease);
}
.feature-card:hover { background: var(--card); }
.feature-card h3 { margin: 0 0 .7rem; font-family: var(--font-serif); font-weight: 500; font-size: 1.28rem; }
.feature-desc { margin: 0; color: var(--ink-soft); font-size: .88rem; line-height: 1.7; }
.feature-icon {
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 1.2rem;
  border-radius: 50%; color: var(--accent); background: var(--bg-deep); font-size: 19px;
}
.feature-icon svg.lucide { stroke: var(--accent); }
.feature-list { margin: 1.1rem 0 0; padding: 0; list-style: none; display: grid; gap: .6rem; }
.feature-list li { display: flex; gap: .6rem; align-items: flex-start; color: var(--ink-soft); font-size: .86rem; line-height: 1.5; }
.feature-list svg.lucide { flex: none; margin-top: .2rem; color: var(--accent); font-size: 14px; }
.feature-more { margin-top: auto; padding-top: 1.2rem; display: inline-flex; align-items: center; gap: .45rem; color: var(--ink); font-weight: 700; font-size: .85rem; }
.feature-more:hover { color: var(--accent); }
.feature-more svg.lucide { transition: transform .3s var(--ease); }
.feature-more:hover svg.lucide { transform: translateX(3px); }
/* 墨色大卡 */
.feature-card.ink {
  justify-content: space-between; grid-row: span 2;
  color: #ffffff; background: var(--ink); border-color: var(--ink);
}
.feature-card.ink:hover { background: var(--ink); }
.feature-card.ink .feature-icon { color: #ffffff; background: transparent; border: 1px solid rgb(255 255 255 / 25%); }
.feature-card.ink .feature-icon svg.lucide { stroke: #ffffff; }
.feature-card.ink h3 { color: #ffffff; font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.25; }
.feature-card.ink .feature-desc { color: rgb(255 255 255 / 62%); }
.ink-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem 1.4rem; padding-top: 1.4rem; border-top: 1px solid rgb(255 255 255 / 14%); }
.ink-stats b { display: block; font-family: 'Almarai', serif; font-weight: 500; font-size: 1.55rem; line-height: 1.1; }
.ink-stats span { color: rgb(255 255 255 / 55%); font-size: .72rem; white-space: nowrap; }
.feature-card.wide { grid-column: span 2; }
/* 三色调卡片：低饱和纯色浅底（不引入蓝紫），图标圆底同色系加深 */
.feature-card.tint-ok { background: #e7eee2; border-color: transparent; }
.feature-card.tint-warn { background: #f4ecd9; border-color: transparent; }
.feature-card.tint-accent { background: #f7eae2; border-color: transparent; }
.feature-card.tint-ok:hover { background: #e0e9d9; }
.feature-card.tint-warn:hover { background: #f0e6cd; }
.feature-card.tint-accent:hover { background: #f4e2d7; }
.feature-card.tint-ok .feature-icon { color: var(--ok); background: rgb(63 109 71 / 12%); }
.feature-card.tint-warn .feature-icon { color: var(--warn); background: rgb(138 95 22 / 12%); }
.feature-card.tint-accent .feature-icon { color: var(--accent); background: rgb(176 74 46 / 12%); }
.feature-card.tint-note { background: #e6ebf2; border-color: transparent; }
.feature-card.tint-note:hover { background: #dde5ef; }
.feature-card.tint-note .feature-icon { color: #2f5d8a; background: rgb(47 93 138 / 12%); }
.pill.kind { border-color: var(--accent); color: var(--accent); }
.book-line .pill.kind { margin-left: auto; }
.upload-choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.6rem; }
.upload-choice { display: flex; gap: 1.1rem; padding: 1.8rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255 255 255 / 55%); transition: background .3s var(--ease), border-color .3s var(--ease); }
.upload-choice:hover { background: var(--card); border-color: var(--accent); }
.upload-choice h2 { margin: 0 0 .5rem; font-family: var(--font-serif); font-weight: 500; font-size: 1.35rem; }
.upload-choice p { margin: 0 0 1rem; color: var(--ink-soft); font-size: .9rem; line-height: 1.7; }
.upload-choice .feature-icon { flex-shrink: 0; width: 2.6rem; height: 2.6rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); color: var(--accent); background: rgb(176 74 46 / 10%); }
.upload-choice .button { white-space: nowrap; }
@media (max-width: 640px) { .upload-choices { grid-template-columns: 1fr; } }
.ranking-tabs { margin-bottom: .7rem; align-items: center; }
.ranking-tabs label { padding: .22rem .7rem; font-size: .78rem; }
.ranking-metric { margin-bottom: .55rem; align-items: center; }
.ranking-metric label { padding: .22rem .7rem; font-size: .78rem; }
.ranking .rank-unit { color: var(--ink-faint); font-size: .7rem; white-space: nowrap; margin-right: -.55rem; }
.feature-card.tint-ok .feature-icon svg.lucide { stroke: var(--ok); }
.feature-card.tint-warn .feature-icon svg.lucide { stroke: var(--warn); }
.feature-card.tint-accent .feature-icon svg.lucide { stroke: var(--accent); }

/* -- 结尾 CTA 横幅 -- */
.cta-band { padding: 96px 0 110px; border-top: 1px solid var(--line-soft); text-align: center; }
.cta-band h2 { font-size: clamp(1.9rem, 4.5vw, 3.1rem); }
.cta-band p { margin: 0 auto 2.4rem; color: var(--ink-soft); white-space: nowrap; }
.cta-actions { display: flex; justify-content: center; align-items: center; gap: .8rem; flex-wrap: wrap; }

/* ============================================================
   通用页头 / 浏览页
   ============================================================ */
.page-head { padding: 64px 0 40px; }
.page-head h1, .form-page h1, .auth-card h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
.form-page h1.title-sm { font-size: clamp(1.35rem, 3vw, 1.75rem); line-height: 1.3; }
.page-head > p { color: var(--ink-soft); }
/* 页头搜索条（圆胶囊 + 内嵌图标） */
.page-search { position: relative; margin-top: 2.4rem; max-width: 640px; }
.page-search svg.lucide { position: absolute; left: 1.15rem; top: 50%; translate: 0 -50%; color: var(--ink-faint); }
.page-search input { padding: .85rem 1.15rem .85rem 2.7rem; border: 1px solid var(--line); border-radius: 999px; background: rgb(255 255 255 / 60%); }
.page-search input:focus { outline: 2px solid rgb(176 74 46 / 28%); outline-offset: 1px; border-color: var(--accent); }

.content-grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; padding-bottom: 100px; }
/* -- 左侧分类树（圆角行 + 朱砂浅底激活态） -- */
.filter { position: sticky; top: 104px; align-self: start; max-height: calc(100vh - 124px); overflow-y: auto; }
.filter h2 { margin: 0 0 .7rem; padding: 0 .65rem; font: 700 .7rem var(--font-sans); letter-spacing: .22em; text-transform: uppercase; color: var(--ink-faint); }
.filter a, .filter .category-leaf, .filter .category-scope {
  display: block; padding: .5rem .65rem; border-radius: var(--radius-sm);
  color: var(--ink-soft); font-size: .88rem;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.filter a:hover, .filter .category-leaf:hover, .filter .category-scope:hover { color: var(--ink); background: rgb(246 246 244 / 55%); }
.filter a.active, .filter .category-leaf.active, .filter .category-scope.active { color: var(--accent); background: var(--accent-tint); font-weight: 700; }
.category-branch { margin-block: .1rem; }
.category-branch summary {
  display: flex; align-items: center; gap: .5rem; padding: .5rem .65rem; border-radius: var(--radius-sm);
  color: var(--ink); font-size: .88rem; font-weight: 700; cursor: pointer; list-style: none;
  transition: background .2s var(--ease);
}
.category-branch summary::-webkit-details-marker { display: none; }
.category-branch summary::after { content: "+"; margin-left: auto; color: var(--ink-faint); font-family: 'Almarai', serif; }
.category-branch[open] > summary::after { content: "–"; }
.category-branch summary:hover { background: rgb(246 246 244 / 45%); }
.category-children { margin: .15rem 0 .35rem 1.05rem; padding-left: .55rem; border-left: 1px solid var(--line-soft); }
.filter .category-scope { color: var(--ink-faint); font-size: .78rem; }
.category-select { display: none; }

/* -- 右侧表格式列表：# / 译本 / 译者 / 版本 / 更新时间 / 箭头 -- */
.table-list {
  border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden;
  background: rgb(255 255 255 / 35%);
}
.table-head, .table-row {
  display: grid; grid-template-columns: 46px 52px minmax(0, 1fr) 150px 76px 96px 110px 34px; gap: 1.1rem; align-items: center;
  padding: .85rem 1.25rem;
}
/* 译本列表多一列“原作者”，其余列相应压缩，保证标题列仍有可用宽度 */
.table-list.has-author .table-head, .table-list.has-author .table-row {
  grid-template-columns: 40px 40px minmax(0, 1fr) 110px 110px 56px 78px 92px 26px;
}
.t-cover { width: 40px; height: 54px; object-fit: cover; border-radius: 5px; border: 1px solid var(--line-soft); box-shadow: 0 4px 14px rgb(40 36 27 / 14%); }
.t-cover.placeholder { display: grid; place-items: center; background: var(--bg-deep); color: var(--ink-soft); font-family: var(--font-serif); font-size: .95rem; border: 1px solid var(--line-soft); }
.t-cover.cover-mini { position: relative; display: flex; flex-direction: column; justify-content: center; background: var(--ink); color: #ffffff; overflow: hidden; border: 0; box-shadow: 0 4px 14px rgb(40 36 27 / 20%); }
.t-cover.cover-mini .cm-accent { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); }
.t-cover.cover-mini .cm-type { display: flex; flex-direction: column; gap: 2px; min-width: 0; padding: 5px 5px 3px 6px; }
.t-cover.cover-mini .cm-title { font-family: var(--font-serif); font-weight: 500; font-size: 6.5px; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.t-cover.cover-mini .cm-author { font-size: 5px; letter-spacing: .08em; text-transform: uppercase; color: rgb(255 255 255 / 55%); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.table-head {
  padding-block: .65rem; border-bottom: 1px solid var(--line-soft);
  background: rgb(246 246 244 / 40%); color: var(--ink-faint);
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
}
.table-head > :first-child, .table-row > :first-child { text-align: right; }
.table-row { border-bottom: 1px solid var(--line-soft); color: var(--ink); transition: background .25s var(--ease); }
.table-row:last-child { border-bottom: 0; }
.table-row:hover { color: var(--ink); background: rgb(246 246 244 / 40%); }
.table-row .numeral { font-size: 1.02rem; }
.table-row .t-title { font-family: var(--font-serif); font-weight: 500; font-size: 1.12rem; line-height: 1.3; transition: color .2s var(--ease); overflow-wrap: anywhere; }
.table-row:hover .t-title { color: var(--accent); }
.table-row .orig { display: block; margin-top: .1rem; color: var(--ink-faint); font-size: .8rem; overflow-wrap: anywhere; }
.table-row .t-col { color: var(--ink-soft); font-size: .86rem; }
.table-row .t-arrow { color: var(--ink-faint); transition: color .25s var(--ease), transform .25s var(--ease); }
.table-row:hover .t-arrow { color: var(--accent); transform: translate(2px, -2px); }
.table-head .t-versions, .table-row .t-versions { text-align: center; }
.table-head .t-downloads, .table-row .t-downloads { text-align: right; }
.table-row .t-downloads { color: var(--ink-soft); font-size: .84rem; font-variant-numeric: tabular-nums; }
.table-head .t-date, .table-row .t-date { text-align: right; }
.table-row .t-date { color: var(--ink-soft); font-size: .84rem; font-variant-numeric: tabular-nums; }
/* 表头的大字距会在文字尾部多出一段空隙，反向补偿让表头与下方数据严格对齐 */
.table-head .t-versions { margin-left: .07em; }
.table-head .t-downloads, .table-head .t-date { margin-right: -.14em; }
.results-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
.results-head h2 { margin: 0; }
.results-head p { margin: 0; color: var(--ink-soft); font-size: .88rem; }
.sort-links { display: flex; gap: .35rem; margin-left: auto; }
.sort-links a { padding: .28rem .85rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); font-size: .82rem; text-decoration: none; }
.sort-links a:hover { border-color: var(--accent); color: var(--accent); }
.sort-links a.active { color: #ffffff; background: var(--ink); border-color: var(--ink); }

/* ============================================================
   搜索
   ============================================================ */
.search-panel { margin-top: 2rem; }
.segmented { display: flex; gap: .4rem; margin-bottom: .8rem; }
.segmented label { padding: .4rem .95rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; font-size: .88rem; color: var(--ink-soft); transition: border-color .2s var(--ease), color .2s var(--ease); }
.segmented label:hover { color: var(--ink); border-color: var(--ink); }
.segmented label:has(input:checked) { color: #ffffff; background: var(--ink); border-color: var(--ink); }
.segmented input { margin-right: .35rem; }
.segmented label:has(input:checked) input { accent-color: #ffffff; }
.search-row { display: flex; gap: .6rem; }
.search-row button { min-width: 90px; }
.results { padding-bottom: 100px; }
.results > p { color: var(--ink-soft); }
.avatar { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 50%; color: #ffffff; background: var(--ink); font-family: var(--font-serif); font-weight: 500; }
.avatar.large { width: 86px; height: 86px; font-size: 2.2rem; }
.avatar.small { width: 34px; height: 34px; font-size: .95rem; }

/* ============================================================
   详情页
   ============================================================ */
.crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; padding: 14px 0 0; font-size: .85rem; color: var(--ink-soft); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { color: var(--ink-faint); }
.crumbs b { color: var(--ink); font-weight: 500; }
.detail-hero { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; padding: 44px 0 56px; }
.detail-hero.one-column { display: block; max-width: 940px; }
.detail-hero h1 { margin-bottom: .4rem; font-size: clamp(2.2rem, 5vw, 3.8rem); }
.back { display: inline-block; margin-bottom: 1.6rem; color: var(--ink-soft); font-size: .88rem; }
/* 封面：真实封面图，或排版出来的占位封面（真实书名/作者） */
.cover-frame { position: relative; aspect-ratio: 3 / 4.15; border-radius: var(--radius-sm); background: var(--ink); overflow: hidden; }
.cover-frame .cover-accent { position: absolute; top: 0; left: 0; right: 0; height: 6px; background: var(--accent); }
.cover-frame .cover-type { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 1.7rem; color: #ffffff; }
.cover-frame .cover-type small { color: rgb(255 255 255 / 55%); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; }
.cover-frame .cover-type strong { margin-top: .9rem; font-family: var(--font-serif); font-weight: 500; font-size: 1.7rem; line-height: 1.25; }
.cover-frame .cover-type .orig { margin-top: .5rem; color: rgb(255 255 255 / 45%); font-size: .78rem; }
.cover-frame .cover-type .foot { margin-top: auto; }
.cover-frame .cover-type .foot i { display: block; width: 34px; margin-bottom: .7rem; border-top: 1px solid rgb(176 74 46 / 60%); }
.cover-frame .cover-type .foot small { font-size: .58rem; }
.cover-seal {
  position: absolute; right: 1.4rem; bottom: 1.5rem; display: grid; place-items: center;
  width: 44px; height: 44px; border: 2px solid var(--accent); border-radius: 4px;
  color: var(--accent); font-family: var(--font-serif); font-size: 1.25rem; transform: rotate(-6deg);
}
.cover-caption { margin-top: 1.1rem; text-align: center; color: var(--ink-faint); font-size: .78rem; }
.cover-caption b { color: var(--ink); font-family: 'Almarai', serif; font-weight: 400; font-size: 1rem; }
.cover { width: 100%; max-height: 330px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.cover.inline-cover { float: left; width: 150px; max-height: 210px; margin: 0 1.6rem 1rem 0; }
@media (max-width: 560px) {
  .cover.inline-cover { width: 110px; }
}
.tag { display: inline-block; margin: .1rem .35rem .1rem 0; padding: .22rem .75rem; border-radius: 999px; background: var(--bg-deep); color: rgb(40 36 27 / 80%); font-size: .76rem; }
.tag.accent { background: var(--accent-tint); color: var(--accent); }
.tag .lucide { font-size: .85em; }
.orig-title { margin: 0 0 1.6rem; font-family: var(--font-serif); color: var(--ink-soft); font-size: 1.15rem; }
.byline { display: grid; gap: .55rem; margin: 0 0 2rem; }
.byline div { display: flex; align-items: baseline; gap: 1.1rem; font-size: .92rem; }
.byline span { flex: none; width: 3.6em; color: var(--ink-faint); font-size: .8rem; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.1rem 1.6rem; max-width: 760px; margin-top: 2rem; padding-top: 1.6rem; border-top: 1px solid var(--line-soft); }
.book-prominent { display: inline-flex; align-items: center; gap: .55rem; margin-top: 1.4rem; padding: .7rem 1.3rem; border: 1.5px solid var(--ink); border-radius: 999px; color: var(--ink); font-weight: 700; font-size: .95rem; transition: background .25s var(--ease), color .25s var(--ease); }
.book-prominent:hover { color: #f4f1e6; background: var(--ink); }
.facts div { min-width: 0; }
.facts dt { color: var(--ink-faint); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.facts dd { margin: .25rem 0 0; font-size: .92rem; overflow-wrap: anywhere; }
.facts dd .tag { margin-block: .1rem; }
.narrow-section { max-width: 950px; padding-bottom: 100px; }
.maintainer { color: var(--ink-soft); }
.prose { max-width: 760px; margin-top: 1.5rem; color: var(--ink-soft); line-height: 1.9; }
.drop-cap::first-letter { font-family: var(--font-serif); font-size: 3.2em; float: left; line-height: .85; padding: .06em .14em 0 0; color: var(--accent); }
.file-warning { color: var(--ink-faint); font-size: .76rem; }
.hero-actions { display: flex; align-items: center; gap: 1.3rem; margin-top: 1.6rem; margin-bottom: 1rem; flex-wrap: wrap; }
.hero-actions > a:not(.button):not(.like-button) { color: var(--ink-soft); font-size: .88rem; }
.like-form { display: inline; }
.like-button { display: inline-flex; align-items: center; gap: .45rem; min-height: 46px; padding: .7rem 1.35rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--card); cursor: pointer; font-weight: 700; font-size: .95rem; }
.like-button:hover { color: var(--ink); border-color: var(--ink); }
.like-button.liked { color: var(--bad); border-color: rgb(178 58 50 / 45%); background: rgb(178 58 50 / 8%); }
.like-button.liked svg { fill: currentColor; }
.like-count { min-width: 1.2em; text-align: center; }
.hero-actions > a:not(.button):hover { color: var(--accent); }
.tabs-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, .8fr); gap: 64px; padding-block: 64px 110px; border-top: 1px solid var(--line-soft); }
.main-column > article + article { margin-top: 3.6rem; }

/* -- 版本历史：折叠时间轴 -- */
.version-list { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: rgb(255 255 255 / 35%); }
.version { border-bottom: 1px solid var(--line-soft); }
.version:last-of-type { border-bottom: 0; }
.version summary {
  display: grid; grid-template-columns: 40px minmax(0, 1fr) 22px; gap: 1rem; align-items: center;
  padding: 1.05rem 1.25rem; cursor: pointer; list-style: none;
  transition: background .25s var(--ease);
}
.version summary::-webkit-details-marker { display: none; }
.version summary:hover { background: rgb(246 246 244 / 40%); }
.v-ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-deep); color: var(--ink-soft); font-size: 16px; }
.v-ico svg.lucide { stroke: var(--ink-soft); }
.version.latest .v-ico { background: var(--accent-tint); color: var(--accent); }
.version.latest .v-ico svg.lucide { stroke: var(--accent); }
.v-main b { margin-right: .7rem; font-family: var(--font-serif); font-weight: 500; font-size: 1.18rem; }
.v-main > span { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; }
.v-main .v-date { color: var(--ink-soft); font-size: .8rem; font-variant-numeric: tabular-nums; }
.v-main .v-notes { display: block; margin-top: .3rem; color: var(--ink-soft); font-size: .86rem; }
.version summary::after { content: "+"; color: var(--ink-faint); font-family: 'Almarai', serif; font-size: 1.15rem; }
.version[open] summary::after { content: "–"; }
.version > div { padding: .2rem 1.25rem 1.4rem calc(1.25rem + 40px + 1rem); }
.files { display: grid; gap: .55rem; }
.file-row {
  display: flex; align-items: center; gap: .8rem; padding: .75rem 1rem;
  border: 1px solid var(--line-soft); border-radius: var(--radius-sm); background: rgb(255 255 255 / 50%);
  color: var(--ink); font-size: .88rem; transition: background .25s var(--ease);
}
.file-row:hover { background: rgb(246 246 244 / 50%); color: var(--ink); }
.file-row svg.lucide { color: var(--accent); }
.file-row .f-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .f-size { flex: none; color: var(--ink-faint); font-size: .76rem; font-variant-numeric: tabular-nums; }
.file-row .f-dl { color: var(--ink-faint); }
.spaced { margin-top: 4.5rem; }

/* ============================================================
   表单 / 认证 / 上传（未变）
   ============================================================ */
.stack-form { display: grid; gap: .95rem; }
.stack-form > div, .field { display: grid; gap: .35rem; }
.stack-form label, .field label { font-weight: 700; }
.stack-form .helptext, .stack-form small, .field .helptext { color: var(--ink-soft); font-size: .85rem; }
.stack-form ul.errorlist, .field ul.errorlist { margin: 0; padding: 0; color: var(--bad); font-size: .85rem; list-style: none; }
.stack-form > button { justify-self: start; }
.login-prompt { color: var(--ink-soft); }

/* -- 评论 / 勘误 -- */
.discussion { display: grid; gap: 1.1rem; }
.discussion article { display: grid; gap: .1rem; padding: 1.25rem 1.35rem; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgb(255 255 255 / 35%); }
.discussion header { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; margin-bottom: .5rem; }
.discussion header .avatar { margin-right: .1rem; }
.discussion header a { font-weight: 700; }
.discussion time, .discussion header small { color: var(--ink-faint); font-size: .76rem; }
.maintainer-badge { padding: .1rem .55rem; border-radius: 999px; background: var(--accent-tint); color: var(--accent); font-size: .68rem; font-weight: 700; }
.discussion footer { display: flex; gap: .9rem; margin-top: .6rem; font-size: .82rem; }
.discussion footer form { display: inline; }
.discussion footer a, .discussion footer .link-button { color: var(--ink-soft); }
.math-text { color: var(--ink); line-height: 1.8; }
.danger, .link-button.danger { color: var(--bad); }
.errata { display: grid; gap: 0; }
.side-card { padding: 1.35rem; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgb(255 255 255 / 40%); }
.side-card + .side-card { margin-top: 1.4rem; }
.side-card h3 { margin: 0 0 1rem; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint); }
.side-card .side-head { display: flex; justify-content: space-between; align-items: baseline; gap: .8rem; margin-bottom: 1rem; }
.side-card .side-head h3 { margin: 0; }
.side-card .side-head a { color: var(--accent); font-size: .78rem; }
.errata article { padding: 1rem 0; border-bottom: 1px solid var(--line-soft); }
.errata article:last-child { border-bottom: 0; padding-bottom: .2rem; }
.errata article:first-child { padding-top: .1rem; }
.errata header { display: flex; justify-content: space-between; align-items: baseline; gap: .8rem; margin-bottom: .5rem; }
.errata header small { color: var(--ink-faint); font-size: .74rem; }
.errata p { margin: .2rem 0; color: var(--ink); font-size: .88rem; }
.errata .errata-body p + p { color: var(--ink-soft); }
.errata .errata-notes { color: var(--ink-faint); font-size: .8rem; }
.errata footer { display: flex; justify-content: space-between; gap: .8rem; margin-top: .55rem; font-size: .78rem; color: var(--ink-faint); }
.errata footer span { display: flex; gap: .7rem; }
.errata footer a, .errata footer .link-button { color: var(--ink-soft); font-size: .78rem; }
.errata-error { border-left: 2px solid var(--bad); padding-left: .8rem; }
.turnstile-hint { margin-top: .8rem; color: var(--bad); font-size: .82rem; }
.erratum-line { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--line-soft); }
.erratum-line:last-child { border-bottom: 0; }
.erratum-line span { color: var(--ink-soft); font-size: .9rem; }
.erratum-line a { flex: none; font-size: .85rem; }

/* -- 状态徽章（浅底 + 沉稳状态色） -- */
.status { display: inline-block; padding: .16rem .6rem; border-radius: 999px; color: var(--warn); background: var(--warn-tint); font-size: .74rem; font-weight: 700; letter-spacing: .02em; }
.status.published, .status.confirmed, .status.fixed, .status.approved { color: var(--ok); background: var(--ok-tint); }
.status.rejected { color: var(--bad); background: var(--bad-tint); }

/* -- 认证卡 -- */
.auth-card { max-width: 560px; margin: 72px auto 120px; padding: 2.6rem; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.auth-card.center { text-align: center; }
.auth-card p { color: var(--ink-soft); }
.auth-card b { color: var(--ink); }
.auth-card .login-alt { margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line-soft); font-size: .88rem; }
.auth-card .auth-switch { margin-top: 1.8rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); }
.auth-card .auth-switch h2 { margin-bottom: .5rem; font-size: 1.25rem; }
.auth-card .auth-switch .button { margin-top: .4rem; }
.success-mark { display: grid; width: 60px; height: 60px; margin: 0 auto 1.3rem; place-items: center; border-radius: 50%; color: #ffffff; background: var(--ink); font-size: 1.5rem; }

/* -- 上传页 -- */
.form-page { max-width: 820px; padding: 60px 0 110px; }
.form-page.narrow { max-width: 660px; }
.form-page > p { color: var(--ink-soft); }
.upload-form fieldset { display: grid; gap: 1rem; margin: 0 0 1.6rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; }
.upload-form legend { padding: 0 .5rem; font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; }
.upload-form details { padding-top: .9rem; border-top: 1px solid var(--line-soft); }
.upload-form details summary { cursor: pointer; color: var(--accent); font-weight: 700; font-size: .9rem; }
.upload-form details[open] summary { margin-bottom: 1rem; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.field-help { color: var(--ink-soft); font-size: .82rem; }
.cat-field { display: grid; gap: .3rem; }
.cat-label { font-weight: 700; }
.cat-help { color: var(--ink-soft); font-size: .78rem; }
/* -- 上传页：选择弹窗（原著 / 分类）与已选 chips -- */
.picker-field { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.picker-chips { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; }
.picker-chip {
  display: inline-flex; align-items: center; gap: .55rem; max-width: 100%;
  padding: .38rem .45rem .38rem .9rem; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card);
}
.picker-chip b { min-width: 0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.picker-chip small { min-width: 0; color: var(--ink-faint); font-size: .74rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip-remove {
  display: grid; place-items: center; flex: none; width: 22px; height: 22px; min-height: 0;
  padding: 0; border: 0; border-radius: 50%; color: var(--ink-faint); background: transparent;
}
.chip-remove:hover { color: var(--accent); background: var(--bg-deep); }
.picker-add {
  min-height: 40px; padding: .28rem 1.05rem; border: 1px dashed var(--line); border-radius: 999px;
  color: var(--ink-soft); background: transparent; font-weight: 400; font-size: .88rem;
}
.picker-add:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
/* 已有选择时收成圆形「加号」按钮 */
.picker-field.has-selection .picker-add span { display: none; }
.picker-field.has-selection .picker-add { width: 40px; padding: 0; flex: none; }

.picker-overlay { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; background: rgb(40 36 27 / 38%); }
.picker-modal {
  display: flex; flex-direction: column; width: min(680px, 100%); max-height: min(660px, calc(100vh - 40px));
  border: 1px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden;
  animation: picker-in .22s var(--ease);
}
@keyframes picker-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.picker-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .95rem 1.2rem .7rem; }
.picker-head h3 { margin: 0; font-family: var(--font-serif); font-weight: 500; font-size: 1.15rem; }
.picker-search { position: relative; margin: 0 1.2rem .8rem; }
.picker-search svg.lucide { position: absolute; left: .85rem; top: 50%; translate: 0 -50%; color: var(--ink-faint); }
/* 搜索框：方形、稍细 */
.picker-search input { padding: .38rem .9rem .38rem 2.35rem; border-radius: var(--radius-sm); font-size: .92rem; }
.picker-body { flex: 1; min-height: 220px; overflow-y: auto; border-top: 1px solid var(--line-soft); }
.picker-foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem 1.2rem; border-top: 1px solid var(--line-soft); }
.picker-count { color: var(--ink-soft); font-size: .82rem; }
.picker-actions { display: flex; gap: .6rem; }
/* 底部按钮：方形小按钮（取消白底描边 / 确定墨底白字） */
.picker-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 40px;
  padding: .4rem 1.25rem; border-radius: var(--radius); font-size: .92rem; cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.picker-btn.cancel { border: 1px solid var(--line); color: var(--ink); background: var(--card); font-weight: 500; }
.picker-btn.cancel:hover { border-color: var(--ink); background: var(--bg-deep); }
.picker-btn.primary { border: 1px solid var(--ink); color: #ffffff; background: var(--ink); font-weight: 700; }
.picker-btn.primary:hover { border-color: var(--accent-deep); background: var(--accent-deep); }

.picker-list { margin: 0; padding: .45rem; list-style: none; display: grid; gap: .15rem; }
.picker-empty { padding: 2.2rem 1rem; text-align: center; color: var(--ink-faint); font-size: .9rem; }
.picker-option {
  display: flex; align-items: center; justify-content: flex-start; gap: .7rem; width: 100%; min-height: 0;
  padding: .58rem .7rem; border: 0; border-radius: var(--radius-sm);
  color: var(--ink); background: transparent; font-weight: 400; text-align: left; cursor: pointer;
  transition: background .18s var(--ease);
}
.picker-option:hover { color: var(--ink); background: var(--bg-deep); }
.picker-option.selected { background: var(--accent-tint); }
.picker-option.strong b { font-weight: 700; }
.picker-check {
  display: grid; place-items: center; flex: none; width: 20px; height: 20px;
  border: 1px solid var(--line); border-radius: 6px; color: transparent;
}
.picker-option.selected .picker-check { border-color: var(--accent); background: var(--accent); color: #ffffff; }
.picker-check svg.lucide { width: 13px; height: 13px; }
.picker-option-copy { min-width: 0; display: grid; gap: .05rem; }
.picker-option-copy b { font-weight: 500; overflow-wrap: anywhere; }
.picker-option-copy small { color: var(--ink-faint); font-size: .78rem; overflow-wrap: anywhere; }

/* 分类弹窗：左侧大类 -> 右侧小类 */
.picker-cats { display: grid; grid-template-columns: 152px minmax(0, 1fr); min-height: 100%; }
.picker-rail { margin: 0; padding: .45rem; list-style: none; display: flex; flex-direction: column; gap: .15rem; border-right: 1px solid var(--line-soft); }
.picker-rail li { display: contents; }
/* 左栏大类与中栏小类：字号严格一致（.88rem），单行显示；子分类多时中栏竖向滚动查看 */
.picker-rail button, .picker-subnav button {
  min-height: 0; padding: .42rem .6rem; border: 0; border-radius: var(--radius-sm);
  color: var(--ink-soft); background: transparent; font-weight: 400; font-size: .88rem;
  display: block; text-align: left; cursor: pointer; flex: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.picker-subnav button:hover, .picker-rail button:hover { color: var(--ink); background: var(--bg-deep); }
.picker-subnav button.active, .picker-rail button.active { color: var(--accent); background: var(--accent-tint); font-weight: 700; }
.picker-subnav button.lvl3 { padding-left: 1.35rem; }
.picker-panel { padding: .6rem .75rem; }
.picker-group + .picker-group { margin-top: .45rem; }
.picker-sub { margin: .1rem 0 .35rem 1.75rem; display: grid; gap: .1rem; }
.picker-sub .picker-option { padding-block: .42rem; }

/* 书籍弹窗：大类 -> 小类 -> 书籍 三栏 */
.picker-modal.wide { width: min(920px, 100%); }
.picker-body.has-cols { display: flex; overflow: hidden; }
.picker-cols { flex: 1; display: grid; grid-template-columns: 150px 250px minmax(0, 1fr); min-height: 0; overflow: hidden; }
.picker-cols .picker-rail { overflow-y: auto; }
/* 中栏：flex 纵向，子分类多时内部竖向滚动；单行超长截断，不横向溢出 */
.picker-subnav {
  display: flex; flex-direction: column; gap: .15rem; padding: .45rem;
  border-right: 1px solid var(--line-soft); overflow-y: auto; overflow-x: hidden;
}
.picker-subnav-note { margin: .3rem; color: var(--ink-faint); font-size: .82rem; }
.picker-books { display: flex; flex-direction: column; min-height: 0; overflow-y: auto; }
.picker-books-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: .8rem;
  padding: .8rem .95rem .35rem; border-bottom: 1px solid var(--line-soft);
}
.picker-books-head b { font-family: var(--font-serif); font-weight: 500; font-size: 1rem; overflow-wrap: anywhere; }
.picker-books-head span { flex: none; color: var(--ink-faint); font-size: .78rem; }
@media (max-width: 560px) {
  .picker-cats { grid-template-columns: 1fr; }
  .picker-rail { display: flex; flex-direction: row; gap: .3rem; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .picker-rail button { white-space: nowrap; }
  .picker-modal.wide { width: 100%; }
  .picker-cols { grid-template-columns: 1fr; grid-template-rows: auto auto minmax(0, 1fr); }
  .picker-cols .picker-rail { overflow-x: auto; }
  .picker-subnav { display: flex; gap: .3rem; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .picker-subnav button { white-space: nowrap; }
  .picker-subnav button.lvl3 { padding-left: .6rem; }
}
.cf-turnstile { margin-block: .4rem; }
.radio-field { display: grid; gap: .5rem; margin-top: .3rem; }
.radio-option { display: flex; gap: .55rem; align-items: flex-start; font-size: .92rem; cursor: pointer; }
.radio-option input { margin-top: .2rem; }
.checkbox-field { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; color: var(--ink-soft); }
.checkbox-field input { margin-top: .25rem; }
.reference-list { display: grid; gap: .8rem; padding: 0; margin: 0; list-style: none; }
.reference-list li { display: grid; gap: .45rem; padding: .85rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); }
.ref-line { font-size: .95rem; }
.ref-link { font-size: .85rem; width: fit-content; }

/* ============================================================
   用户中心 / 公开主页（未变）
   ============================================================ */
.dashboard-grid, .profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding-bottom: 100px; }
.panel { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; }
.panel h2 { font-size: 1.2rem; }
.panel h3 { margin-top: 1.4rem; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; }
.panel p { color: var(--ink-soft); }
.panel a { color: var(--ink); }
.panel a:hover { color: var(--accent); }
.panel.wide { grid-column: 1 / -1; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .75rem .8rem .75rem 0; border-bottom: 1px solid var(--line-soft); text-align: left; color: var(--ink); }
td { font-size: .92rem; }
th { color: var(--ink-faint); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 400; }
.rejection { display: block; margin-top: .25rem; color: var(--bad); font-size: .85rem; }
.profile-head { display: flex; align-items: center; gap: 1.4rem; padding: 72px 0 44px; }
.profile-head h1 { margin-bottom: .2rem; font-size: clamp(2.4rem, 5vw, 4.2rem); }
.profile-head p { color: var(--ink-soft); margin: 0; }
.profile-bio { margin-top: .7rem !important; max-width: 560px; color: var(--ink) !important; font-size: .95rem; line-height: 1.7; }
.profile-grid { grid-template-columns: repeat(3, 1fr); }

/* ============================================================
   术语表（未变）
   ============================================================ */
.term-head { padding-bottom: 48px; }
.term-head .lede { max-width: 960px; }
.term-stats { display: grid; grid-template-columns: repeat(3, minmax(120px, 200px)); gap: 24px; margin-block: 2.2rem; }
.term-stats div { padding-top: .9rem; border-top: 1px solid var(--line); }
.term-stats b, .term-stats span { display: block; }
.term-stats b { color: var(--ink); font-family: 'Almarai', 'Songti SC', serif; font-weight: 400; font-size: 2rem; line-height: 1.1; }
.term-stats span { margin-top: .3rem; color: var(--ink-soft); font-size: .76rem; letter-spacing: .08em; }
.term-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.2rem 0 1.6rem; }
.term-legend { margin-top: 1.8rem; padding: 1.1rem 1.3rem; border: 1px solid var(--line-soft); border-radius: 14px; background: var(--card); }
.term-legend p { margin: 0 0 .45rem; color: var(--ink-soft); font-size: .87rem; line-height: 1.7; }
.term-legend p:last-child { margin-bottom: 0; }
.term-legend b { color: var(--ink); }
.term-legend .note { padding-top: .5rem; border-top: 1px dashed var(--line-soft); color: var(--ink-faint); }
.term-tabs a { padding: .42rem 1rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); font-size: .86rem; transition: border-color .2s var(--ease), color .2s var(--ease); }
.term-tabs a:hover { color: var(--ink); border-color: var(--ink); }
.term-tabs a.active { color: #ffffff; background: var(--ink); border-color: var(--ink); }
.term-head-row { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: .3rem; }
.term-status { padding: .14rem .6rem; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .02em; }
.term-status.consensus { color: var(--ok); background: var(--ok-tint); }
.term-status.voting { color: var(--warn); background: var(--warn-tint); }
.term-status.empty { color: var(--ink-soft); background: rgb(40 36 27 / 7%); }
.term-consensus { margin: .25rem 0 .4rem; font-family: var(--font-serif); font-size: 1.15rem; color: var(--ink); }
.term-empty { margin: .2rem 0 .4rem; color: var(--ink-faint); }
.vote-list { margin: .3rem 0 .5rem; padding: 0; list-style: none; display: grid; gap: .4rem; }
.vote-option { display: flex; align-items: center; gap: .7rem; }
.vote-button { min-height: 0; padding: .34rem .9rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: transparent; font-weight: 400; }
.vote-button:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.vote-button.disabled { cursor: default; color: var(--ink-soft); }
.vote-option.mine .vote-button { color: #ffffff; background: var(--ink); border-color: var(--ink); }
.vote-meta { color: var(--ink-soft); font-size: .8rem; white-space: nowrap; }
.term-foot { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-top: .4rem; color: var(--ink-soft); font-size: .8rem; }
.term-search { display: grid; grid-template-columns: minmax(260px, 1fr) auto auto auto; align-items: center; gap: .8rem; }
.term-search label { white-space: nowrap; font-size: .88rem; color: var(--ink-soft); }
.terminology, .contribution-results { padding-bottom: 100px; }
.term-tree { border-top: 1px solid var(--line); }
.term-category { border-bottom: 1px solid var(--line); }
.term-category .term-category { margin-left: 1.2rem; border-left: 1px solid var(--line-soft); border-bottom: 0; }
.term-category summary { display: flex; justify-content: space-between; gap: 1rem; padding: .9rem .6rem; cursor: pointer; list-style: none; }
.term-category summary::-webkit-details-marker { display: none; }
.term-category summary b { font-family: var(--font-serif); font-weight: 500; font-size: 1.05rem; }
.term-category summary small { color: var(--ink-faint); font-weight: 400; }
.term-category-body { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: .8rem; padding: 0 0 1.2rem .6rem; align-items: start; }
.term-category-children { padding-left: .6rem; }
.term-row { display: block; padding: .9rem 1rem; border: 1px solid var(--line-soft); border-radius: var(--radius); background: transparent; color: var(--ink); transition: border-color .2s var(--ease); }
.term-row:hover { border-color: var(--line); }
.term-row.status-consensus { border-left: 2px solid var(--ok); }
.term-row.status-voting { border-left: 2px solid var(--warn); }
.term-row strong { overflow-wrap: anywhere; font-family: var(--font-serif); font-weight: 500; font-size: 1.05rem; }
.term-row span { overflow-wrap: anywhere; color: var(--ink-soft); }
.term-row em { color: var(--ink-faint); font-style: normal; }
.term-row i { color: var(--accent); font-style: normal; font-weight: 800; }
.contribution-results { display: grid; gap: 14px; }
.term-contribution h2 { font-size: 1.3rem; }
.term-contribution p { color: var(--ink-soft); }
.term-actions { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .88rem; }
.small-action { display: inline-block; margin: .25rem .7rem .25rem 0; font-size: .8rem; color: var(--bad); }
.term-foot .small-action, .term-row .small-action { color: var(--ink-soft); }
.term-foot .small-action:hover, .term-row .small-action:hover { color: var(--accent); }
.uncategorized summary b { color: var(--ink-soft); }

/* ============================================================
   页脚：品牌 + 三栏链接 + 底行
   ============================================================ */
body > footer { margin-top: 40px; padding: 56px 0 40px; border-top: 1px solid var(--line-soft); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.foot-brand p { max-width: 300px; margin: .9rem 0 0; color: var(--ink-soft); font-size: .86rem; line-height: 1.7; }
.foot-col h4 { margin: 0 0 1rem; color: var(--ink-faint); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 700; }
.foot-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .65rem; }
.foot-col a { color: rgb(40 36 27 / 80%); font-size: .88rem; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .8rem;
  margin-top: 48px; padding-top: 1.8rem; border-top: 1px solid var(--line-soft);
  color: var(--ink-faint); font-size: .76rem;
}
.foot-bottom a { color: var(--ink-soft); }
.foot-bottom a:hover { color: var(--accent); }

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 821px) {
  .nav-menu { gap: .15rem; }
}
@media (max-width: 820px) {
  .site-header { top: 8px; border-radius: 20px; }
  .site-header nav { flex-wrap: wrap; justify-content: center; gap: .35rem .6rem; padding-block: .7rem; }
  .nav-menu { order: 3; width: 100%; justify-content: center; flex-wrap: wrap; }
  nav a { font-size: .76rem; }
  body { padding-top: 128px; }
  .hero { padding: 72px 0 64px; }
  .hero-deco { display: none; }
  .hero-cta-row { flex-direction: column; align-items: stretch; }
  .hero-search { width: 100%; }
  .home-lists, .section-grid, .tabs-layout { gap: 48px; }
  .section-grid { grid-template-columns: 1fr; }
  .upload-choices { grid-template-columns: 1fr; }
  /* 侧栏最低 300px，若不收成单列，手机上主列会被挤到只剩十几像素 */
  .tabs-layout { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; gap: 40px; }
  .filter { position: static; max-height: none; overflow: visible; }
  .filter h2, .category-links { display: none; }
  .category-select { display: block; }
  .table-head { display: none; }
  .table-row { grid-template-columns: 40px minmax(0, 1fr) 28px; row-gap: .45rem; padding: 1rem .9rem; }
  /* has-author 的 9 列定义特异性更高，窄屏需显式收回到单卡片三列布局 */
  .table-list.has-author .table-row { grid-template-columns: 40px minmax(0, 1fr) 28px; }
  /* 移动端首列为封面缩略图，序号让位隐藏；否则序号占满中列、标题会被挤进 28px 箭头列逐字竖排 */
  .table-row .numeral { display: none; }
  .table-row .t-col, .table-row .t-versions, .table-row .t-downloads, .table-row .t-date { display: none; }
  .detail-hero { grid-template-columns: 1fr; gap: 32px; }
  .detail-hero > .cover-side { max-width: 230px; margin-inline: auto; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.ink { grid-row: auto; }
  .feature-card.wide { grid-column: auto; }
  .term-search { grid-template-columns: 1fr 1fr; }
  .term-search input:first-child { grid-column: 1 / -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .foot-brand { grid-column: 1 / -1; }
  .version > div { padding-left: 1.25rem; }
}
@media (max-width: 560px) {
  .shell, .narrow { width: min(100% - 28px, 1180px); }
  .brand-logo { height: 24px; }
  .hero-search, .search-row { display: grid; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: .7rem; }
  .book-card { grid-template-columns: 32px minmax(0, 1fr); }
  .book-card .go { display: none; }
  .thumb, .thumb-placeholder { width: 32px; height: 44px; }
  .book-card.roomy { grid-template-columns: 32px minmax(0, 1fr); }
  .book-meta { grid-column: 2; grid-row: 2; text-align: left; }
  .cover.inline-cover { width: 110px; }
  .facts, .field-grid, .dashboard-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.5rem; }
  .term-stats { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .term-search { display: grid; grid-template-columns: 1fr; }
  .term-search input:first-child { grid-column: auto; }
  .term-category .term-category { margin-left: .5rem; }
  .cta-band { padding: 72px 0 88px; }
  .cta-band p { white-space: normal; }
  .hero-stats { gap: .7rem; grid-template-columns: repeat(5, 1fr); }
  .hero-stats span { letter-spacing: 0; }
  body > footer { padding-block: 44px 32px; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* -- 致谢页 -- */
.thanks { max-width: 880px; padding: 60px 0 110px; }
.thanks-title { margin: 0 0 1.6rem; font-family: var(--font-serif); font-weight: 500; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; }
.thanks-sub { margin-left: 1rem; color: var(--ink-faint); font-family: var(--font-sans); font-size: .42em; font-weight: 400; letter-spacing: .08em; }
.thanks-kicker { margin: 0 0 1.1rem; font-family: var(--font-serif); font-weight: 500; font-size: clamp(1.35rem, 3vw, 1.8rem); line-height: 1.45; color: var(--ink); }
.thanks-lead { max-width: 720px; color: var(--ink-soft); font-size: .95rem; line-height: 1.95; }
.thanks-group { margin-top: 3.4rem; }
.person-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.person-card { padding: 1.4rem 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgb(255 255 255 / 55%); }
.person-card h3 { margin: 0 0 .45rem; font-family: var(--font-serif); font-weight: 500; font-size: 1.22rem; }
.person-card p { margin: 0; color: var(--ink-soft); font-size: .88rem; line-height: 1.85; }
.person-card.founder { display: flex; gap: 1.1rem; align-items: flex-start; background: var(--ink); border-color: var(--ink); }
.person-card.founder .feature-icon { color: #ffffff; background: transparent; border: 1px solid rgb(255 255 255 / 25%); }
.person-card.founder .feature-icon svg.lucide { stroke: #ffffff; }
.person-card.founder h3 { color: #ffffff; }
.person-card.founder p { color: rgb(255 255 255 / 66%); }
.person-role { display: inline-block; margin-left: .7rem; padding: .1rem .62rem; border: 1px solid rgb(255 255 255 / 30%); border-radius: 999px; color: rgb(255 255 255 / 75%); font-family: var(--font-sans); font-size: .68rem; font-weight: 400; letter-spacing: .14em; vertical-align: middle; }
.thanks-also { padding: 1.4rem 1.5rem; border: 1px dashed var(--line); border-radius: var(--radius); background: rgb(255 255 255 / 35%); }
.thanks-also p { margin: 0; color: var(--ink-soft); font-size: .92rem; line-height: 1.95; }
.thanks-sign { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 4rem 0 0; color: var(--ink-faint); font-family: var(--font-serif); }
.thanks-sign::before, .thanks-sign::after { content: ""; width: 44px; border-top: 1px solid var(--line); }
@media (max-width: 640px) { .person-grid { grid-template-columns: 1fr; } }
.thanks-foot { margin: 2.4rem 0 0; text-align: center; color: var(--ink-faint); font-size: .84rem; }
.thanks-foot a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.thanks-foot a:hover { color: var(--accent); }