@charset "UTF-8";
/* 陈椿濠 · 个人 Agent —— 统一样式（首页 / 分享 / 文章 / 关于）。管理页仍使用 style.css。 */
[hidden]{display:none!important}
:root{
  --ink:#23201d;--text:#2f2b27;--muted:#6e665e;--faint:#9d948a;
  --canvas:#f6f1eb;--soft:#efe8df;--surface:#e9e1d6;--line:#e2d9cd;--line-strong:#d2c7b8;
  --accent:#a9485c;--accent-hover:#8e3a4c;--accent-soft:#f5e4e7;
  --green:#2f8a5b;--green-soft:#e6f2eb;--orange:#b8661f;--orange-soft:#fbebde;--red:#c94a3e;--red-soft:#fce9e7;
  --radius:12px;--radius-sm:8px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(17,24,39,.06);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
  --mono:Menlo,Consolas,"SFMono-Regular",monospace;
}
@media (prefers-color-scheme:dark){:root{
  --ink:#f5f5f4;--text:#ecebea;--muted:rgba(255,255,255,.66);--faint:rgba(255,255,255,.45);
  --canvas:#1b1917;--soft:#221f1c;--surface:#2c2825;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.22);
  --accent:#e59aab;--accent-hover:#f0b3c0;--accent-soft:rgba(229,154,171,.14);
  --green:#72bc8f;--green-soft:rgba(114,188,143,.14);--orange:#de9255;--orange-soft:rgba(222,146,85,.14);--red:#e97366;--red-soft:rgba(233,115,102,.14);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--canvas);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.5}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{max-width:1120px;margin:0 auto;padding:0 32px}
.muted{color:var(--muted)}.small{font-size:14px}
.eyebrow{margin:0 0 8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--accent)}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--canvas) 85%,transparent);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1120px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--canvas);display:grid;place-items:center;font-weight:600;font-size:17px}
.brand-mark svg{width:24px;height:24px;display:block}
.brand-mark path{fill:none;stroke:var(--canvas);stroke-width:8;stroke-linecap:round}
.brand-mark circle{fill:#4d94ea}
.brand-text{display:flex;flex-direction:column;line-height:1.2;font-weight:600;color:var(--ink);white-space:nowrap}
.brand-text small{font-weight:400;font-size:12px;color:var(--muted);margin-top:2px}
.topbar nav{display:flex;gap:4px}
.topbar nav a{padding:8px 14px;border-radius:8px;font-size:15px;color:var(--muted);transition:background .15s,color .15s}
.topbar nav a:hover{background:var(--surface);color:var(--ink)}
.topbar nav a.active{color:var(--ink);background:var(--surface);font-weight:500}

/* 首页首屏 */
.hero{max-width:1120px;margin:0 auto;padding:64px 32px 72px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start}
.hero-copy{padding-top:24px}
.status-pill{display:inline-flex;align-items:center;gap:8px;margin:0 0 24px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted);background:var(--soft)}
.status-row{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}.status-row .status-pill{margin:0}
.dot-learn{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 var(--green);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 55%,transparent)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:clamp(36px,4.6vw,52px);line-height:1.15;font-weight:700;margin:0 0 20px}
.lead{font-size:19px;line-height:1.7;color:var(--muted);margin:0 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:500;border:1px solid transparent;transition:background .15s,border-color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:var(--canvas)}
.btn-primary:hover{opacity:.88}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{background:var(--surface)}
.facts{margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.facts div{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:14px;color:var(--faint)}
.facts dd{margin:0;font-size:15px;color:var(--ink)}

/* 对话卡片 */
.chat-card{background:var(--canvas);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;height:620px;overflow:hidden}
.chat-top{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.agent-avatar{position:relative;width:40px;height:40px;flex:none;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:600}
.agent-avatar i{position:absolute;right:0;bottom:0;width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid var(--canvas)}
.chat-title{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.chat-title strong{color:var(--ink);font-weight:600}
.chat-title small{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mode-label{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--surface);color:var(--muted);white-space:nowrap}
.icon-button{width:40px;height:40px;flex:none;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--muted);font-size:20px;line-height:1}
.icon-button:hover{background:var(--surface);color:var(--ink)}
.conversation{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}
.mode-hint{font-size:13px;line-height:1.6;color:var(--orange);background:var(--orange-soft);border-radius:var(--radius-sm);padding:10px 12px}
.welcome{margin:auto 0;padding:8px 4px}
.welcome h3{font-size:22px;margin:0 0 6px}
.welcome p{margin:0 0 20px;color:var(--muted);font-size:15px}
.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.suggestions button{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:52px;padding:12px 16px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--soft);font-size:15px;color:var(--ink);transition:border-color .15s,background .15s}
.suggestions button:hover{border-color:var(--accent);background:var(--accent-soft)}
.suggestions b{color:var(--faint);font-weight:400;transition:transform .15s,color .15s}
.suggestions button:hover b{color:var(--accent);transform:translateX(2px)}
.message{display:flex;flex-direction:column;max-width:88%;animation:rise .2s ease-out}
@keyframes rise{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.message.user{align-self:flex-end;align-items:flex-end}
.message.assistant,.message.error{align-self:flex-start}
.message-label{font-size:12px;color:var(--faint);margin:0 0 4px 2px}
.bubble{padding:12px 16px;border-radius:14px;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.message.user .bubble{background:var(--ink);color:var(--canvas);border-bottom-right-radius:4px}
.message.assistant .bubble{background:var(--soft);border:1px solid var(--line);border-bottom-left-radius:4px}
.message.error .bubble{background:var(--red-soft);color:var(--red)}
.sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.source-chip{font-size:13px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--canvas);color:var(--accent)}
.source-chip:hover{border-color:var(--accent)}
.follow-ups{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}
.follow-label{font-size:12px;color:var(--faint);margin-right:2px}
.follow-up{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--canvas);color:var(--ink);font:inherit;font-size:13px;line-height:1.5;text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.follow-up:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.typing{align-self:flex-start;font-size:14px;color:var(--muted);padding:10px 14px;border-radius:14px;background:var(--soft)}
.typing::after{content:"";display:inline-block;width:1em;text-align:left;animation:dots 1.2s steps(4) infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
.composer{display:flex;align-items:flex-end;gap:8px;margin:0 16px;padding:8px 8px 8px 16px;border:1px solid var(--line-strong);border-radius:14px;background:var(--canvas);transition:border-color .15s,box-shadow .15s}
.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.composer textarea{flex:1;border:0;outline:0;resize:none;background:transparent;font-size:15px;line-height:1.6;padding:8px 0;max-height:140px}
.composer button{width:40px;height:40px;flex:none;display:grid;place-items:center;border:0;border-radius:10px;background:var(--ink);color:var(--canvas)}
.composer button:hover{opacity:.85}
.chat-foot{display:flex;justify-content:space-between;padding:8px 20px 14px;font-size:12px;color:var(--faint)}

/* 项目区 */
.band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
.section-head h2{font-size:28px;margin:0}
.section-head.compact{align-items:center;margin-bottom:8px}
.section-head.compact h2{font-size:20px}
.section-lead{max-width:720px;margin:0 0 32px;color:var(--muted);font-size:16px}
.link-button{background:none;border:0;padding:8px 0;color:var(--accent);font-size:15px;font-weight:500;white-space:nowrap}
.link-button:hover{color:var(--accent-hover);text-decoration:underline;text-underline-offset:4px}
.progress-meta{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:8px}
.progress-meta strong{color:var(--ink);font-weight:600}
.progress{height:6px;border-radius:999px;background:var(--line);overflow:hidden;margin-bottom:28px}
.progress span{display:block;height:100%;background:var(--accent);border-radius:999px}
/* 主项目区：链接、亮点卡片与处理流程 */
.project-links{display:flex;flex-wrap:wrap;gap:12px;margin:-8px 0 28px}
.project-links:not(:has(a:not([hidden]))){display:none}
.highlights{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.highlights li{padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--canvas)}
.highlights strong{display:block;margin-bottom:4px;font-size:16px;font-weight:600;color:var(--ink)}
.highlights p{margin:0;font-size:14px;line-height:1.7;color:var(--muted)}
.highlights li:last-child:nth-child(odd){grid-column:1/-1}
.pipeline{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 0;font-size:14px;color:var(--ink)}
.pipeline li:not(:last-child)::after{content:"→";margin:0 10px;color:var(--faint)}
.fine-print{margin:16px 0 0;font-size:13px;color:var(--faint)}
.about-body h2,.about-body h3,.about-body h4{font-size:16px;margin:16px 0 6px}
.about-body ul,.about-body ol{margin:6px 0;padding-left:20px}
.about-body p{margin:6px 0}
.shots-title{margin:40px 0 4px;font-size:18px}
.shots-lead{margin:0 0 16px;font-size:14px;color:var(--muted)}
.shots{display:grid;gap:16px}
.shots figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--canvas)}
.shots img{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}
.shots figcaption{padding:12px 16px;font-size:14px;line-height:1.7;color:var(--muted)}
.shots figcaption strong{color:var(--ink);font-weight:600}

/* 资料 + 分享 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-top:64px;padding-bottom:72px}
.knowledge-list{display:grid;gap:0;margin-top:16px;border-top:1px solid var(--line)}
.knowledge-item{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:12px 4px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font-size:15px;color:var(--ink);transition:background .15s,padding .15s}
.knowledge-item:hover{background:var(--soft);padding-left:10px}
.knowledge-item span:first-child{color:var(--faint);font-size:14px}
.knowledge-item span:nth-child(2){flex:1}
.knowledge-item small{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--surface);color:var(--muted);white-space:nowrap}
.empty-note{color:var(--muted);font-size:15px}

/* 文章卡片（首页与分享页共用） */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.post-grid.stack{grid-template-columns:1fr;margin-top:16px}
.post-card{display:flex;flex-direction:column;gap:8px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--canvas);transition:border-color .15s,box-shadow .15s,transform .15s}
.post-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-2px)}
.post-kicker{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--faint)}
.post-kicker span:first-child{color:var(--accent);font-weight:500}
.post-card h3{margin:0;font-size:18px;line-height:1.4}
.post-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
.post-bottom{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:6px}
.post-tag{font-size:12px;padding:2px 8px;border-radius:6px;background:var(--surface);color:var(--muted)}
.post-arrow{margin-left:auto;color:var(--faint);transition:color .15s,transform .15s}
.post-card:hover .post-arrow{color:var(--accent);transform:translate(2px,-2px)}

/* 分享页 / 关于页 / 文章页 */
.blog-container{max-width:1120px;margin:0 auto;padding:56px 32px 72px}
.page-heading{max-width:720px;margin-bottom:40px}
.page-heading .eyebrow{text-transform:none}
.page-heading h1{font-size:clamp(30px,3.6vw,40px);line-height:1.25;margin:0 0 12px}
.page-heading p{color:var(--muted);margin:0;font-size:17px}
.share-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start}
.search-bar{display:flex;align-items:center;gap:8px;padding:6px 6px 6px 16px;border:1px solid var(--line-strong);border-radius:12px;margin-bottom:16px}
.search-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.search-bar span{color:var(--faint)}
.search-bar input{flex:1;border:0;outline:0;background:transparent;font-size:15px;min-height:36px}
.search-bar button{min-height:36px;padding:0 16px;border:0;border-radius:8px;background:var(--ink);color:var(--canvas);font-size:14px}
.share-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.share-filters button{min-height:36px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--canvas);font-size:14px;color:var(--muted)}
.share-filters button:hover{color:var(--ink);border-color:var(--line-strong)}
.share-filters button.active{background:var(--ink);border-color:var(--ink);color:var(--canvas)}
.source-meta{font-size:13px;color:var(--faint);margin:0 0 16px}
.share-sidebar{position:sticky;top:88px}
.owner-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft)}
.owner-initial{width:56px;height:56px;border-radius:14px;background:var(--ink);color:var(--canvas);display:grid;place-items:center;font-size:24px;font-weight:600;flex:none}
.owner-card h2{font-size:18px;margin:16px 0 4px}
.owner-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
.owner-card a{color:var(--accent);font-size:14px;font-weight:500}
.sidebar-note{font-size:13px;color:var(--faint);margin:16px 4px 0}
.about-header{display:flex;align-items:center;gap:20px;margin-bottom:40px}
.about-header h1{font-size:36px;margin:0 0 4px}
.about-header p:not(.eyebrow){margin:0;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.about-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--canvas)}
.about-card h2{font-size:18px;margin:0 0 8px}
.about-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.75}
.contact-card{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft)}
.contact-card h2{font-size:18px;margin:0 0 8px}.contact-card a{color:var(--accent)}
.article-container{max-width:760px;margin:0 auto;padding:48px 32px 72px}
.back-link{display:inline-block;color:var(--muted);font-size:14px;margin-bottom:24px}
.back-link:hover{color:var(--ink)}
.article-paper .post-kicker{justify-content:flex-start}
.article-paper h1{font-size:clamp(28px,3.4vw,38px);line-height:1.3;margin:12px 0 16px}
.article-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:32px}
.article-body{font-size:17px;line-height:1.85}
.article-body h2,.article-body h3,.article-body h4{margin:2em 0 .6em;line-height:1.4}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body blockquote{margin:1.2em 0;padding:4px 0 4px 16px;border-left:3px solid var(--line-strong);color:var(--muted)}
.article-body pre{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;overflow:auto;font:14px/1.6 var(--mono)}
.article-body ul{padding-left:1.4em}
.article-source{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}
.article-ask{margin-top:40px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 24px;border-radius:var(--radius);background:var(--accent-soft)}
.article-ask span{color:var(--ink)}
.article-ask a{color:var(--accent);font-weight:500}

/* 来源弹窗 */
dialog{width:min(640px,calc(100% - 32px));max-height:80vh;padding:0;border:1px solid var(--line);border-radius:16px;background:var(--canvas);color:var(--text);box-shadow:0 24px 64px rgba(0,0,0,.18)}
dialog::backdrop{background:rgba(15,17,20,.45);backdrop-filter:blur(2px)}
.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px 0}
.dialog-head h2{font-size:20px;margin:0}
dialog .source-meta{padding:8px 24px 0}
.source-text{padding:0 24px 24px;white-space:pre-wrap;font-size:15px;line-height:1.8;overflow:auto}

/* 页脚 */
.footer{border-top:1px solid var(--line);padding:24px 0}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--faint)}
.footer a:hover{color:var(--ink)}

/* 响应式 */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:40px;padding-top:40px}
  .hero-copy{padding-top:0}
  .split{grid-template-columns:1fr;gap:48px}
  .share-layout{grid-template-columns:1fr}
  .share-sidebar{position:static}
}
@media (max-width:600px){
  .container,.topbar-inner,.hero,.blog-container,.article-container{padding-left:20px;padding-right:20px}
  .topbar-inner{height:56px}
  .brand-text small{display:none}
  .topbar nav a{padding:8px 9px;font-size:14px}
  .hero{padding-top:32px;padding-bottom:48px}
  .lead{font-size:17px}
  .lead br{display:none}
  .facts div{grid-template-columns:72px 1fr;gap:12px}
  .chat-card{height:560px;border-radius:14px}
  .suggestions{grid-template-columns:1fr}
  .message{max-width:94%}
  .highlights{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .band{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:4px}
  .section-head.compact{flex-direction:row;align-items:center}
  .about-header{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.nowrap{white-space:nowrap}
.progress span.w8{width:61.5%}
.page-heading p.eyebrow{color:var(--accent);font-size:13px;margin-bottom:8px}

@media(max-width:600px){.about-grid{grid-template-columns:1fr}}
@media(max-width:430px){.topbar-inner{height:auto;min-height:56px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;row-gap:8px}.topbar nav{margin-left:auto;max-width:100%}.topbar nav a{padding:6px 8px}.brand-text{font-size:14px}}

/* 首页：水墨桃花画作铺满第一屏，叠加雨、落花和点击墨滴；聊天在第二屏 */
:root{--paper:#f0e9e2;--card:#fffcf8;--poem:#3a3632;--seal:#b8372d;--pk-light:#fde8ec;--pk-deep:#df7891;--rain-rgb:96,104,112;--ink-rgb:52,48,44}
@media (prefers-color-scheme:dark){:root{--paper:#1b1917;--card:#24211e;--poem:#e2dcd3;--seal:#c4473b;--pk-light:#6a4550;--pk-deep:#e59aad;--rain-rgb:206,212,220;--ink-rgb:226,220,212}}
.chat-card{background:var(--card)}
.ink-stage{position:relative;overflow:hidden;isolation:isolate;background:var(--paper)}
.ink-scene{position:absolute;inset:0;z-index:0;pointer-events:none}
.ink-painting{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right center;user-select:none}
/* 左侧向右渐隐的纸色，窄屏时桃枝伸到文字下面也读得清 */
.ink-scene::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--paper) 0%,color-mix(in srgb,var(--paper) 82%,transparent) 30%,transparent 58%)}
.ink-scene::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;background:linear-gradient(transparent,var(--canvas))}
.ink-rain{position:absolute;inset:0;z-index:2;width:100%;height:100%;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 8%,#000 88%,transparent);mask-image:linear-gradient(to bottom,transparent,#000 8%,#000 88%,transparent)}
.ink-petal{position:absolute;z-index:2;top:4%;left:66%;width:9px;height:12px;border-radius:70% 0 70% 0;background:linear-gradient(135deg,var(--pk-light),var(--pk-deep));opacity:0;animation:ink-petal 15s linear infinite}
.ink-petal:nth-of-type(2){top:10%;left:74%;animation-delay:2.5s;animation-duration:17s}
.ink-petal:nth-of-type(3){top:2%;left:82%;animation-delay:5s;animation-duration:14s}
.ink-petal:nth-of-type(4){top:16%;left:60%;animation-delay:7.5s;animation-duration:19s}
.ink-petal:nth-of-type(5){top:8%;left:88%;animation-delay:10s;animation-duration:16s}
.ink-petal:nth-of-type(6){top:20%;left:70%;animation-delay:12.5s;animation-duration:18s}
@keyframes ink-petal{0%{transform:translate(0,0) rotate(0);opacity:0}8%{opacity:.9}45%{transform:translate(-70px,260px) rotate(160deg)}90%{opacity:.7}100%{transform:translate(-190px,620px) rotate(380deg);opacity:0}}
/* 第一屏：文字靠左放在画面留白处，不再居中，避免压到右侧的桃树 */
.ink-stage .hero{position:relative;z-index:3;max-width:none;margin:0;min-height:clamp(560px,calc(100vh - 64px),900px);padding:56px clamp(20px,7vw,160px) 120px;box-sizing:border-box;display:flex;align-items:center}
.ink-stage .hero-copy{position:relative;width:min(100%,480px);padding-top:0}
.ink-stage .hero h1,.ink-stage .lead{text-shadow:0 0 18px var(--paper),0 0 4px var(--paper)}
.ink-stage .lead{max-width:460px}
.ink-stage .btn-ghost{background:color-mix(in srgb,var(--card) 80%,transparent)}
.scroll-cue{position:absolute;z-index:3;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:2px;font-size:13px;color:var(--muted);text-shadow:0 0 10px var(--paper)}
.scroll-cue b{font-weight:400;animation:cue 2.4s ease-in-out infinite}
.scroll-cue:hover{color:var(--accent)}
@keyframes cue{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.poem{position:absolute;top:2px;right:0;writing-mode:vertical-rl;font-family:"STKaiti","KaiTi","Kaiti SC","楷体",serif;font-size:17px;line-height:1.4;letter-spacing:.26em;color:var(--poem);opacity:.88;text-shadow:0 0 8px var(--paper)}
.poem p{margin:0;margin-block-end:8px}
.seal{display:block;text-align:end}
.seal b{display:inline-block;padding:5px 2px;border-radius:3px;background:var(--seal);color:#fff;font-size:12px;font-weight:400;letter-spacing:.12em;line-height:1.2;text-shadow:none}
/* 第二屏：和 Agent 聊天 */
.talk{padding:72px 0 80px}
.talk-inner{max-width:1120px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start}
.talk-intro{padding-top:12px}
.talk-intro h2{font-size:clamp(26px,3vw,34px);line-height:1.3;margin:0 0 12px}
.talk-intro .section-lead{margin-bottom:28px}
/* 点击：墨滴洇开，再荡开几圈水波；在桃树上点会落下花瓣 */
.ink-blot,.ink-ring,.click-petal{position:fixed;z-index:60;pointer-events:none}
.ink-blot{background:radial-gradient(circle at 46% 44%,rgba(var(--ink-rgb),.5),rgba(var(--ink-rgb),.24) 50%,rgba(var(--ink-rgb),0) 72%);filter:blur(1.2px);transform:translate(-50%,-50%) scale(.2) rotate(var(--rot,0deg));animation:ink-blot 1.5s cubic-bezier(.2,.7,.3,1) forwards}
@keyframes ink-blot{0%{transform:translate(-50%,-50%) scale(.2) rotate(var(--rot,0deg));opacity:.9}55%{opacity:.45}100%{transform:translate(-50%,-50%) scale(2.4) rotate(var(--rot,0deg));opacity:0}}
.ink-ring{width:8px;height:8px;border-radius:50%;border:1px solid rgba(var(--ink-rgb),.5);transform:translate(-50%,-50%);animation:ink-ring 1.4s ease-out both}
@keyframes ink-ring{0%{width:8px;height:8px;opacity:.65}100%{width:150px;height:150px;opacity:0}}
.click-petal{width:8px;height:11px;border-radius:70% 0 70% 0;background:linear-gradient(135deg,var(--pk-light),var(--pk-deep));transform:translate(-50%,-50%);animation:click-petal 1.9s ease-in forwards}
@keyframes click-petal{0%{transform:translate(-50%,-50%) rotate(0);opacity:.95}100%{transform:translate(calc(-50% + var(--dx,0px)),calc(-50% + var(--dy,120px))) rotate(var(--spin,180deg));opacity:0}}
/* 深色模式：画面压暗，像夜雨 */
@media (prefers-color-scheme:dark){.ink-painting{filter:brightness(.42) saturate(.85) contrast(1.05)}}
/* 竖排诗句只在宽屏显示；窄一些时改成标题上方的横排 */
@media (max-width:1099px){
  .poem{position:static;writing-mode:horizontal-tb;display:flex;flex-wrap:wrap;align-items:center;gap:2px 14px;margin:0 0 18px;font-size:16px;letter-spacing:.12em}
  .poem p{margin:0}
  .seal{display:inline}
  .ink-painting{object-position:72% center}
}
@media (max-width:960px){.talk-inner{grid-template-columns:1fr;gap:32px}}
@media (max-width:600px){
  .ink-stage .hero{align-items:flex-start;padding-top:36px;min-height:clamp(560px,calc(100svh - 104px),760px)}
  .ink-painting{object-position:80% center}
  .ink-scene::before{background:linear-gradient(180deg,color-mix(in srgb,var(--paper) 90%,transparent) 0%,color-mix(in srgb,var(--paper) 72%,transparent) 55%,transparent 85%)}
  .talk{padding:48px 0 56px}
  .talk-inner{padding:0 20px}
  .scroll-cue{bottom:18px}
}
@media (prefers-reduced-motion:reduce){.ink-rain,.ink-petal{display:none}}