/* 老秦家的本地小工具 · 方向 A「编辑杂志感」· 单份浅色 · 纯静态 · 零外链资源 */
@font-face{
  font-family:"OldQin Serif";
  src:url("fonts/OldQinSerif-Subset.woff2") format("woff2");
  font-weight:600;
  font-style:normal;
  font-display:swap;
}
:root{
  --paper:#FAF8F2;--ink:#191814;--muted:#6B675B;--line:#DCD6C7;
  --panel:#F3EFE3;--accent:#A0432A;--accent-soft:#F7E9E2;
  --serif:"OldQin Serif","Songti SC","Source Han Serif SC","Noto Serif CJK SC","SimSun",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.9;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 48px}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(160,67,42,.28);
  transition:border-color .18s,color .18s}
a:hover{border-bottom-color:var(--accent)}
.mono{font-family:var(--mono);font-size:.86em;letter-spacing:.02em}
h1,h2{font-family:var(--serif);font-weight:600}
h1{font-size:clamp(40px,4.4vw,56px);line-height:1.18;letter-spacing:-.02em;
  margin:0 0 32px;max-width:860px;text-wrap:balance}
h2{font-size:26px;line-height:1.4;letter-spacing:-.005em;margin:0 0 16px}

/* 顶栏：细字距 + 2px 墨线 */
.top{display:flex;align-items:center;gap:14px;padding:32px 0 20px;font-size:11.5px;
  letter-spacing:.16em;color:var(--muted);border-bottom:2px solid var(--ink)}
.top img{width:20px;height:20px;opacity:.85}
.top .brand{font-family:var(--serif);font-size:16px;letter-spacing:.08em;
  color:var(--ink);font-weight:600}
.top .right{margin-left:auto}
.top .tag{border:1px solid var(--line);border-radius:2px;padding:5px 12px;
  font-size:11px;letter-spacing:.12em}
.top a{color:var(--muted);border-bottom-color:transparent}
.top a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* 首屏：刊头式大标题 */
.hero{padding:112px 0 88px;position:relative;border-bottom:1px solid var(--line)}
.hero:not(.grid2):before{content:"";display:block;width:56px;height:2px;
  background:var(--accent);margin-bottom:40px}
.kicker{display:inline-block;font-size:11.5px;letter-spacing:.18em;color:var(--accent);
  border-bottom:1px solid var(--accent-soft);padding-bottom:6px;margin-bottom:24px}
.lead{font-size:17px;line-height:1.95;color:var(--muted);max-width:620px;margin:0;text-wrap:pretty}
.byline{margin-top:32px;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;
  align-items:center;padding:96px 0 88px}
.grid2 h1{font-size:clamp(32px,3.4vw,44px);max-width:560px;margin-bottom:24px}

/* 卡片区：无底色，靠墨线与左右分栏分段 */
.cards{display:grid;grid-template-columns:1fr 1fr;border-bottom:2px solid var(--ink)}
.card{position:relative;display:block;padding:56px 56px 64px 0;color:var(--ink);
  border:0;transition:background .25s ease}
.card+.card{border-left:1px solid var(--line);padding-left:56px;padding-right:0}
.card:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.card:hover:after{transform:scaleX(1)}
.card .who{font-size:11.5px;letter-spacing:.16em;color:var(--accent)}
.card h2{font-size:32px;line-height:1.25;letter-spacing:-.01em;margin:16px 0}
.card p{font-size:15px;line-height:1.9;color:var(--muted);margin:0 0 32px;max-width:380px}
.card .go{font-size:13px;letter-spacing:.06em;color:var(--accent);
  border-bottom:1px solid transparent;transition:border-color .2s}
.card:hover .go{border-bottom-color:var(--accent)}

/* 图片区：联系印样式 5×3 网格 */
.family{padding:96px 0 120px}
.family .label{display:flex;align-items:center;gap:28px;font-family:var(--serif);
  font-size:13px;letter-spacing:.24em;color:var(--muted);margin:0 0 48px}
.family .label:before,.family .label:after{content:"";flex:1;height:1px;background:var(--line)}
.faces{display:grid;grid-template-columns:repeat(5,80px);gap:24px;justify-content:center}
.faces img{width:80px;height:80px;border-radius:50%;border:1px solid var(--line);
  background:#fff;filter:grayscale(.18) contrast(1.02);
  transition:transform .28s,filter .28s}
.faces img:hover{transform:translateY(-4px);filter:none}

/* 三栏说明 */
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px;
  padding:96px 0;border-bottom:1px solid var(--line)}
.cols h2{font-size:21px;margin:0 0 16px}
.cols p{font-size:15px;line-height:1.95;color:var(--muted);margin:0}
.cols ul{list-style:none;margin:20px 0 0;padding:0;font-size:14px;line-height:1.95;color:var(--muted)}
.cols li{position:relative;padding-left:16px;margin-bottom:8px}
.cols li:before{content:"";position:absolute;left:0;top:1em;width:8px;height:1px;background:var(--accent)}
.cols .third h2{color:var(--accent)}

/* 正文区块 */
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.fact{font-size:11.5px;letter-spacing:.04em;color:var(--muted);background:var(--panel);
  border:1px solid var(--line);border-radius:2px;padding:6px 12px}
.steps{counter-reset:s;list-style:none;padding:0;margin:32px 0 0;max-width:760px}
.steps li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:16px;
  font-size:15px;line-height:1.9;color:var(--muted)}
.steps li:before{content:counter(s);position:absolute;left:0;top:.3em;width:24px;height:24px;
  border-radius:50%;background:var(--accent-soft);color:var(--accent);
  font-family:var(--sans);font-size:12px;
  display:flex;align-items:center;justify-content:center}
.cmd{margin-top:40px;background:var(--panel);border:1px solid var(--line);border-radius:2px;
  padding:16px 20px;font-size:13px;overflow-x:auto}
.live{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);
  margin-right:8px;animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.35}50%{opacity:1}}

/* 截图 */
.shot{display:block;width:100%;background:#fff;border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(25,24,20,.06)}
.shotcap{font-size:11.5px;letter-spacing:.02em;color:var(--muted);margin-top:12px;line-height:1.8}
.shotpair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:40px}

/* 声波条 */
.wave{display:flex;align-items:center;gap:4px;height:64px;margin-top:40px}
.wave span{width:4px;border-radius:3px;background:var(--accent);opacity:.55;height:22%;
  animation:wob 2.2s ease-in-out infinite}
.wave span:nth-child(2n){animation-delay:.25s}
.wave span:nth-child(3n){animation-delay:.5s;height:48%}
.wave span:nth-child(4n){height:70%}
.wave span:nth-child(5n){animation-delay:.75s;height:34%}
@keyframes wob{0%,100%{transform:scaleY(.6)}50%{transform:scaleY(1.15)}}

/* 家人页：刊头 + 名册 */
.famhead{font-size:clamp(36px,4.2vw,52px);line-height:1.35;letter-spacing:.01em;
  text-align:center;margin:0;padding:112px 0 96px;border-bottom:1px solid var(--line)}
.people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;
  padding:64px 0 96px}
.pcard{display:flex;gap:24px;align-items:center;padding:24px 0;
  border-top:1px solid var(--line);transition:background .25s}
.pcard:hover{background:rgba(243,239,227,.65)}
.pcard .portrait{width:144px;height:192px;object-fit:cover;flex:none;
  background:var(--paper);border:1px solid var(--line)}
.pcard .txt{min-width:0}
.pcard .who{display:flex;align-items:center;gap:8px;font-family:var(--serif);
  font-size:16px;font-weight:600}
.pcard .who img{width:28px;height:28px;border-radius:50%;flex:none;
  border:1px solid var(--line);background:#fff}
.pcard .rl{font-size:11.5px;letter-spacing:.14em;color:var(--accent);margin:8px 0}
.pcard .ds{font-size:13px;line-height:1.85;color:var(--muted)}
.friends{padding:96px 0 120px;border-top:1px solid var(--line);text-align:center}
.friends .t{font-family:var(--serif);font-size:12px;letter-spacing:.24em;
  color:var(--muted);margin:0 0 24px}
.friends .n{font-size:16px;letter-spacing:.08em;line-height:2.1}
.friends .dots{font-size:16px;letter-spacing:.3em;color:var(--muted);line-height:2;margin-top:8px}

/* 页脚 */
footer{display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:48px 0 72px;font-size:12px;letter-spacing:.06em;color:var(--muted);
  border-top:1px solid var(--line)}
footer img{width:21px;height:21px;flex:none}
footer>a,footer>span{white-space:nowrap}
footer .sp{margin-left:auto}

/* 动效：标题揭示 + 卡片底线展开 + 头像浮起，全部尊重 reduced-motion */
@media (prefers-reduced-motion:no-preference){
  .rise{animation:rise .5s ease-out both}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  .hero:not(.grid2) h1{animation:reveal .8s cubic-bezier(.2,.7,.2,1) both}
  @keyframes reveal{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .card:hover:after{transform:scaleX(1)}
  .faces img:hover,.pcard:hover{transform:none}
}

@media (max-width:760px){
  .wrap{padding:0 22px}
  .top{font-size:10.5px;gap:8px;letter-spacing:.06em;padding:22px 0 16px}
  .top img{width:16px;height:16px}
  .top .brand{font-size:14px;letter-spacing:.03em}
  .top .tag{font-size:10px;padding:3px 8px;letter-spacing:.06em}
  .hero{padding:64px 0 56px}
  .hero:not(.grid2):before{margin-bottom:24px}
  h1{font-size:34px}
  .grid2{grid-template-columns:1fr;gap:40px;padding:64px 0 56px}
  .grid2 h1{font-size:30px;max-width:none}
  .cards{grid-template-columns:1fr}
  .card{padding:36px 0 44px}
  .card+.card{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .card h2{font-size:26px}
  .family{padding:64px 0 72px}
  .faces{grid-template-columns:repeat(5,1fr);gap:14px}
  .faces img{width:100%;height:auto;aspect-ratio:1}
  .cols{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .section{padding:64px 0}
  .shotpair{grid-template-columns:1fr;gap:32px}
  .famhead{padding:64px 0 56px;font-size:32px}
  .people{grid-template-columns:1fr;padding:48px 0 64px}
  .pcard .portrait{width:104px;height:144px}
  .friends{padding:64px 0 72px}
  footer{padding:32px 0 56px;gap:14px}
  footer .sp{margin-left:0}
}

/* AI 路牌：视觉零感知；键盘聚焦时显形（skip-link 模式） */
.ai-guide{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.ai-guide:focus{position:static;width:auto;height:auto;clip-path:none;outline:2px solid currentColor}
/* AI colophon：人类低调可见（杂志版权页传统），正文提取器必收 */
.ai-colophon{margin-top:8px;padding-top:0;
  font-size:11px;color:var(--muted);opacity:.75;line-height:1.6}