/* styles.css — doubleL Studio · 两仪工作室
 * 配色 = 豆包 logo 色彩体系（大面积米白 + 黑金主视觉 + 朱砂点睛）。结构照搬 GPTdoubleV3（ADR-011）。
 * 大面积米白基底 / 标题墨黑 / 金色仅强调（不做小字保对比）/ 朱砂仅点睛 CTA（≤3/页）。
 * 改配色只改 :root（见 AIREADME/CONVENTIONS）。 */

/* 自托管霞鹜文楷子集（620 字 subset，替代 jsDelivr 194 分片 + Google Fonts；2026-07-14 修 P0 字体墙）。
   仅 Regular；标题 600/700 由浏览器合成粗体（font-synthesis 默认开）。真 Bold 到手后可加 700 face。 */
@font-face {
  font-family: 'LXGW WenKai';
  src: url('assets/fonts/lxgwwenkai-regular.subset.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* —— 豆包 logo 色彩体系 —— */
  --bg: #f5f1e9;            /* 暖调米白（宣纸主背景，~75%）*/
  --bg-soft: #ede9e0;       /* 次级背景 / 过渡（区块区分，~8%）*/
  --panel: #ffffff;         /* 卡片背景（纯白 + 极淡阴影）*/
  --panel-soft: rgba(26, 26, 26, 0.018);
  --line: #d9d5cd;          /* 主分割线（浅灰褐 / 远山，~5%）*/
  --line-soft: #ede9e0;     /* 次分割线 */
  --line-gold: rgba(200, 161, 101, 0.45);
  --text: #333333;          /* 正文（深灰，久读舒适）*/
  --ink: #1a1a1a;           /* 墨黑（标题 / 主视觉，~6%）← logo 墨 L */
  --muted: #666666;         /* 次要文字 / 标签 */
  --subtle: #999999;        /* 最弱（占位 / 版权）*/
  --gold: #c8a165;          /* 哑光金（强调：副标题 / sigil / 边框 / hover / 标签，~5%）← logo 金 L */
  --gold-deco: #b89355;     /* 哑光金渐变暗端（装饰边框）*/
  --gold-soft: rgba(200, 161, 101, 0.12);
  --green: #5f7d52;         /* 苔绿（status 在线点）*/
  --seal: #b82601;          /* 朱砂红（点睛 CTA / 印章，≤3/页，~1%）← logo 朱印 */
  --seal-hover: #a02000;
  --shadow: 0 14px 40px rgba(90, 78, 54, 0.12);
  --radius: 22px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --serif: 'LXGW WenKai', 'Songti SC', 'STSong', serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 极淡宣纸噪点（豆包：5% 噪点提质感，不碍可读）*/
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cg fill='%231a1a1a'%3E%3Ccircle cx='12' cy='18' r='0.6'/%3E%3Ccircle cx='80' cy='44' r='0.7'/%3E%3Ccircle cx='124' cy='120' r='0.5'/%3E%3Ccircle cx='52' cy='102' r='0.6'/%3E%3C/g%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}
button { font: inherit; }

.skip-link {
  position: absolute;
  left: 12px; top: 10px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-gold);
  background: var(--panel);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  z-index: 100;
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.wrap {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 14px 0 44px;
  position: relative;
  z-index: 1;
}

/* ============ 顶栏 ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 16px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(245, 241, 233, 0.95), rgba(245, 241, 233, 0.62));
}
.topbar::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line), transparent);
}

.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.sigil {
  width: 36px; height: 36px;
  border-radius: 12px;
  border: 1px solid var(--line-gold);
  display: grid;
  place-items: center;
  color: var(--gold);
  background: linear-gradient(135deg, rgba(200, 161, 101, 0.18), rgba(200, 161, 101, 0.05));
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}
.brand-copy { display: grid; gap: 2px; min-width: 0; }
.brand-copy strong { font-size: 0.96rem; font-weight: 600; line-height: 1.1; color: var(--ink); }
.brand-copy span { font-size: 0.8rem; font-family: var(--mono); color: var(--subtle); }

.top-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.status {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  background: var(--panel);
  white-space: nowrap;
}
.status .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(95, 125, 82, 0.5);
}
.chip {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 13px;
  font-family: var(--mono);
  font-size: 0.78rem;
  transition: 180ms ease;
  cursor: pointer;
}
.chip:hover {
  border-color: var(--line-gold);
  color: var(--ink);
  background: var(--gold-soft);
  transform: translateY(-1px);
}

/* ============ hero ============ */
.hero { padding: 40px 0 22px; }
.hero-shell {
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  min-height: 60vh;
}
.hero-inner {
  position: relative;
  padding: clamp(28px, 5vw, 60px);
  display: grid;
  align-content: center;
  gap: 20px;
  min-height: 60vh;
}
.cmdline {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.cursor {
  width: 0.7ch;
  height: 1.05em;
  background: var(--gold);
  display: inline-block;
  border-radius: 1px;
  animation: blink 1.05s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.8rem, 7.4vw, 6.2rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 14ch;
  text-wrap: balance;
  color: var(--ink);
}
.subtitle {
  color: var(--gold);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 3vw, 1.9rem);
  margin-top: 10px;
}
.hero-copy { max-width: 720px; display: grid; gap: 12px; color: var(--text); font-size: clamp(0.98rem, 2vw, 1.1rem); line-height: 1.82; }
.hero-lead { color: var(--ink); font-family: var(--serif); font-size: clamp(1.05rem, 2.4vw, 1.35rem); }
.hero-micro { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--subtle); font-family: var(--mono); font-size: 0.82rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }

/* 主 CTA = 朱砂红点睛；次 CTA = 墨黑描边 */
.primary, .ghost {
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: 180ms ease;
  font-size: 0.92rem;
}
.primary {
  border: 1px solid var(--seal);
  background: var(--seal);
  color: #fff;
  font-weight: 600;
}
.ghost { border: 1px solid var(--ink); background: transparent; color: var(--ink); }
.primary:hover, .ghost:hover { transform: translateY(-1px); }
.primary:hover { background: var(--seal-hover); border-color: var(--seal-hover); }
.ghost:hover { background: var(--ink); color: #fff; }

/* ============ section 卡片 ============ */
.section {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 26px rgba(90, 78, 54, 0.06);
}
.section-head { padding: 18px 18px 12px; display: flex; justify-content: space-between; gap: 16px; align-items: end; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-family: var(--mono); font-size: 0.98rem; font-weight: 600; color: var(--ink); letter-spacing: 0.02em; }
.section-head p { margin: 8px 0 0; color: var(--muted); line-height: 1.7; font-size: 0.93rem; max-width: 70ch; }
.section-hint { color: var(--subtle); font-family: var(--mono); font-size: 0.8rem; text-align: right; white-space: nowrap; }

/* tree */
.tree { padding: 0 18px 16px; color: var(--text); }
.tree-shell { border: 1px solid var(--line); border-radius: 18px; background: var(--bg-soft); padding: 16px 16px 10px; }
.tree-line { display: flex; gap: 10px; align-items: baseline; font-family: var(--mono); line-height: 1.85; color: var(--muted); padding: 2px 0; flex-wrap: wrap; }
.tree-line .path { color: var(--ink); min-width: 11ch; }
.tree-line .muted { color: var(--subtle); }

/* ============ 服务：列表 + 详情 ============ */
.service-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 0; }
.service-list { padding: 12px 12px 16px; border-right: 1px solid var(--line-soft); }
.service-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text);
  padding: 16px 14px;
  border-radius: 16px;
  cursor: pointer;
  display: grid;
  gap: 8px;
  position: relative;
  transition: border-color 220ms ease, transform 220ms ease, background 220ms ease;
}
.service-item + .service-item { margin-top: 6px; }
.service-item:hover, .service-item.active { background: var(--bg-soft); border-color: var(--line-gold); transform: translateY(-1px); }
.service-item::before {
  content: "";
  position: absolute;
  left: 0; top: 14px; bottom: 14px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--gold-deco), transparent);
  opacity: 0;
  transition: opacity 220ms ease;
  border-radius: 2px;
}
.service-item:hover::before, .service-item.active::before { opacity: 1; }
.service-head { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.service-head strong { font-size: 1rem; font-weight: 650; color: var(--ink); }
.service-head span { color: var(--gold); font-family: var(--mono); font-size: 0.78rem; white-space: nowrap; }
.service-item p { margin: 0; color: var(--muted); line-height: 1.7; font-size: 0.95rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { border: 1px solid var(--line); background: var(--bg-soft); color: var(--muted); border-radius: 999px; padding: 5px 9px; font-size: 0.72rem; font-family: var(--mono); }

.service-detail-wrap { padding: 20px; min-height: 420px; background: var(--bg-soft); }
.service-detail { display: none; gap: 16px; }
.service-detail.active { display: grid; animation: rise 460ms ease both; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--subtle); font-family: var(--mono); font-size: 0.8rem; }
.service-detail h3, .work-detail h3 { margin: 0; font-size: 1.4rem; line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); font-family: var(--serif); }
.service-detail > p, .work-detail > p { margin: 0; color: var(--text); line-height: 1.82; font-size: 0.96rem; }
.service-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metric { padding: 14px 0 0; border-top: 1px solid var(--line); display: grid; gap: 6px; }
.metric label { color: var(--subtle); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.04em; }
.metric strong { line-height: 1.6; font-size: 0.95rem; font-weight: 600; color: var(--text); }
.service-actions, .work-actions { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 4px; }

/* ============ 案例：列表 + 详情 ============ */
.works-wrap { padding: 0 18px 16px; }
.work-list { display: grid; gap: 10px; }
.work-item {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid var(--line-soft);
  color: var(--text);
  padding: 16px 14px;
  border-radius: 16px;
  display: grid;
  gap: 8px;
  cursor: pointer;
  position: relative;
  transition: border-color 220ms ease, transform 220ms ease, background 220ms ease;
}
.work-item:hover, .work-item.active { background: var(--bg-soft); border-color: var(--line-gold); transform: translateY(-1px); }
.work-head { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.work-head strong { font-size: 1rem; font-weight: 650; color: var(--ink); }
.work-head span { color: var(--gold); font-family: var(--mono); font-size: 0.78rem; }
.work-item p { margin: 0; color: var(--muted); line-height: 1.7; font-size: 0.95rem; }
.work-item .file { color: var(--subtle); font-family: var(--mono); font-size: 0.78rem; }

.work-detail-wrap { padding: 4px 18px 20px; }
.work-detail { display: none; gap: 14px; border-top: 1px solid var(--line); padding-top: 16px; }
.work-detail.active { display: grid; animation: rise 460ms ease both; }
.step { display: flex; gap: 12px; align-items: baseline; color: var(--muted); line-height: 1.8; flex-wrap: wrap; }
.step b { min-width: 4.2em; color: var(--gold); font-family: var(--mono); font-size: 0.78rem; }

/* ============ about ============ */
.about-grid, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.about-copy, .about-side, .contact-copy, .contact-side { padding: 18px 18px 20px; }
.about-copy, .contact-copy { border-right: 1px solid var(--line-soft); }
.about-copy > p, .contact-copy > p { margin: 0; color: var(--text); line-height: 1.84; font-size: 0.96rem; }
.about-section { display: grid; gap: 8px; padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--line-soft); }
.person-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.person-head strong { font-size: 1rem; color: var(--ink); }
.person-head span { color: var(--gold); font-family: var(--mono); font-size: 0.78rem; white-space: nowrap; }
.person p { margin: 0; color: var(--muted); line-height: 1.78; font-size: 0.94rem; }
.about-points { display: grid; gap: 0; }
.point { padding: 14px 0; border-top: 1px solid var(--line-soft); display: grid; gap: 6px; }
.point:first-child { border-top: 0; padding-top: 0; }
.point label { color: var(--subtle); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.04em; }
.point strong { line-height: 1.7; font-size: 0.95rem; color: var(--text); }

/* ============ contact ============ */
.contact-copy .env { display: grid; gap: 8px; padding-top: 14px; }
.env-line { font-family: var(--mono); font-size: 0.86rem; color: var(--muted); line-height: 1.8; border-top: 1px dashed var(--line); padding-top: 8px; }
.contact-card { display: grid; gap: 0; }
.contact-row { display: flex; gap: 12px; align-items: baseline; justify-content: space-between; flex-wrap: wrap; padding: 12px 0; border-top: 1px solid var(--line-soft); font-family: var(--mono); }
.contact-row:first-child { border-top: 0; padding-top: 0; }
.contact-row span { color: var(--subtle); font-size: 0.78rem; }
.contact-row strong { font-size: 0.93rem; font-weight: 600; color: var(--ink); }
.contact-row a { color: var(--ink); border-bottom: 1px solid var(--line-gold); transition: border-color 160ms ease; }
.contact-row a:hover { border-bottom-color: var(--gold); }

/* ============ footer ============ */
.footer { margin-top: 22px; padding: 18px 20px; background: #e5e1d8; border-radius: var(--radius); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-family: var(--mono); font-size: 0.76rem; }

/* ============ overlay 弹层 ============ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(26, 26, 26, 0.38);
  backdrop-filter: blur(10px);
}
.overlay.open { display: flex; }
.panel {
  width: min(820px, 100%);
  max-height: min(88vh, 900px);
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line-gold);
  background: var(--panel);
  box-shadow: 0 30px 90px rgba(26, 26, 26, 0.26);
  display: grid;
  grid-template-rows: auto 1fr;
  animation: rise 320ms ease both;
}
.panel-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.panel-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.panel-title { display: grid; gap: 2px; min-width: 0; }
.panel-title strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 0.98rem; color: var(--ink); }
.panel-title span { color: var(--subtle); font-family: var(--mono); font-size: 0.78rem; }
.icon-btn { width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; transition: 160ms ease; }
.icon-btn:hover { border-color: var(--line-gold); background: var(--gold-soft); }
.panel-body { padding: 24px; overflow: auto; }

.md { display: grid; gap: 16px; color: var(--text); line-height: 1.92; font-size: 0.98rem; }
.md h3 { margin: 0; color: var(--ink); font-size: 1.4rem; line-height: 1.2; font-family: var(--serif); }
.md h4 { margin: 6px 0 0; color: var(--gold); font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.05em; font-weight: 600; }
.md p, .md ul { margin: 0; }
.md ul { padding-left: 18px; display: grid; gap: 8px; }
.md li { line-height: 1.7; }
.md strong { color: var(--ink); }

/* ============ 服务列表：价格（ls -lah 大小列）+ 分类 ============ */
.si-price { color: var(--ink); font-family: var(--mono); font-size: 0.82rem; font-weight: 600; white-space: nowrap; }
.si-cat { color: var(--gold); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.02em; margin-top: -2px; }

/* ============ overlay 详情富文本：lead / 适合谁 / 分组卡 / 提示条 / 跳转 ============ */
.md-lead { font-family: var(--serif); font-size: 1.16rem; color: var(--ink); line-height: 1.5; }
.aud { display: grid; gap: 0; border-top: 1px solid var(--line); }
.aud-row { display: flex; justify-content: space-between; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--line-soft); align-items: baseline; flex-wrap: wrap; }
.aud-when { color: var(--text); line-height: 1.6; flex: 1 1 62%; font-size: 0.95rem; }
.aud-pick { color: var(--muted); font-family: var(--mono); font-size: 0.85rem; white-space: nowrap; }
.aud-yes { color: var(--green); font-weight: 700; }
.md-group { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--bg-soft); display: grid; gap: 8px; }
.md-group + .md-group { margin-top: 4px; }
.mg-title { font-family: var(--serif); font-size: 1.06rem; color: var(--ink); font-weight: 600; }
.mg-take { margin: 4px 0 0; color: var(--ink); font-size: 0.92rem; border-top: 1px dashed var(--line); padding-top: 8px; }
.md-note { color: var(--muted); font-size: 0.9rem; background: var(--gold-soft); border-radius: 12px; padding: 10px 14px; }
.md a[data-svc-link], .md a[data-scroll-overlay], .md-jump { color: var(--ink); border-bottom: 1px solid var(--line-gold); cursor: pointer; }
.md a[data-svc-link]:hover, .md a[data-scroll-overlay]:hover, .md-jump:hover { border-bottom-color: var(--gold); }

/* ============ 案例：标签 / 客户 / 头牌高亮 / 立即体验 / CTA / 留白 ============ */
.work-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.wi-client, .wd-client { color: var(--muted); font-family: var(--mono); font-size: 0.8rem; }
.work-item.featured { border-color: var(--line-gold); background: var(--gold-soft); }
.work-item.featured::after { content: "★"; position: absolute; top: 12px; right: 14px; color: var(--gold); font-size: 0.8rem; }
.work-detail.featured { border-top-color: var(--line-gold); }
.wd-cta { margin: 0; color: var(--ink); font-weight: 600; font-size: 0.98rem; }
.live-btn { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 12px 18px; font-size: 0.92rem; cursor: pointer; border: 1px solid var(--ink); background: var(--ink); color: #fff; transition: 180ms ease; }
.live-btn:hover { transform: translateY(-1px); background: #000; }
.works-note { padding: 14px 18px 4px; color: var(--subtle); font-family: var(--mono); font-size: 0.82rem; border-top: 1px dashed var(--line); }
.works-note:empty { display: none; }

/* ============ 动效 ============ */
.fade-in { animation: rise 560ms ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .service-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-list, .about-copy, .contact-copy { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .service-detail-wrap { min-height: auto; }
  .section-head { align-items: start; }
  .service-metrics { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 18px, 1120px); }
  .topbar { position: static; }
  .hero { padding-top: 26px; }
  .hero-inner { min-height: auto; padding: 24px 18px 28px; }
  .hero-shell { min-height: auto; }
  h1 { font-size: clamp(2.4rem, 14vw, 4.4rem); }
  .section-head, .tree, .works-wrap, .work-detail-wrap, .about-copy, .about-side, .contact-copy, .contact-side, .service-detail-wrap { padding-left: 16px; padding-right: 16px; }
  .panel-body { padding: 18px; }
  .top-right { gap: 8px; }
  .section-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}