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img{aspect-ratio:1.24}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.js-motion .reveal:not(.visible){opacity:1;transform:none}}

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.hero h1{font-size:clamp(40px,4.2vw,70px)}.chat-open{background:none;border:0;border-bottom:1px solid var(--line);color:var(--ink);font-family:inherit;cursor:pointer}.companion-chat{margin:0 0 22px}.healing-section{margin-top:20px}.knowledge-section{max-width:1240px;margin:35px auto 15px;padding:50px 24px;display:grid;grid-template-columns:1fr 1fr;gap:90px;border-top:1px solid var(--line)}.knowledge-section h2{font-family:var(--serif);font-size:43px;font-weight:400;line-height:1.55;letter-spacing:1px}.knowledge-copy p{font-size:13px;line-height:2;color:var(--muted)}.knowledge-copy .chapter-lead{font-size:16px;color:var(--green)}.chat-dialog{width:calc(100vw - 40px);height:calc(100svh - 40px);max-width:1500px;max-height:none;padding:0;overflow:hidden;border-radius:12px}.chat-dialog[open]{display:flex;flex-direction:column}.chat-dialog-top{height:70px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:15px 25px;gap:15px;background:var(--paper)}.chat-dialog-top strong{display:block;font-size:17px;font-weight:500}.chat-dialog-top span{display:block;color:var(--muted);font-size:10px;margin-top:5px}#chatMount{flex:1;min-height:0;display:flex}#chatMount iframe{width:100%;height:100%;border:0;background:var(--paper)}.chat-ready{width:100%;display:grid;place-items:center;text-align:center;padding:35px;background:radial-gradient(ellipse at 50% 40%,#e5ebdd,transparent 65%)}.chat-ready-inner{max-width:460px}.chat-ready h2{font-family:var(--serif);font-size:42px;font-weight:400;margin:20px 0}.chat-ready p{font-size:13px;color:var(--muted)}.chat-ready .connection-note{font-size:11px;padding:15px;background:#fff8;border:1px solid var(--line);border-radius:5px}.chat-ready a{margin-top:12px}.chat-ready>div>img{margin:auto}.chat-ready .ready-title{font-size:18px;color:var(--green)}@media(max-width:1000px){.knowledge-section{margin:30px 32px;padding:40px 0;gap:50px}.site-header nav{gap:16px;font-size:11px}.hero h1{font-size:43px}}@media(max-width:700px){.knowledge-section{display:block;margin:20px 24px;padding:35px 0}.knowledge-section h2{font-size:33px}.knowledge-copy .chapter-lead{font-size:15px}.chat-dialog{width:100vw;height:100svh;border-radius:0;border:0}.chat-dialog-top{height:65px;padding:12px 18px}.chat-ready{padding:24px}.hero h1{font-size:39px}.hero .eyebrow{font-size:8px}.chat-ready h2{font-size:34px}}
/* 固定聊天入口与介绍窗口 */
body{padding-bottom:100px}nav .nav-about{border:0;padding:0;background:none;color:inherit;font:inherit}.tiny-orbit{line-height:1;flex-shrink:0}.tiny-orbit svg{display:block}.fixed-bottom{position:fixed;z-index:25;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:26px;padding:12px 15px 12px 25px;border:1px solid #dddcd0;background:#f6f3ebed;backdrop-filter:blur(15px);border-radius:12px;box-shadow:0 8px 32px #243a3019;width:max-content;max-width:calc(100% - 32px)}.fixed-scroll{font-size:11px;letter-spacing:1px;white-space:nowrap;color:var(--muted);display:flex;align-items:center;gap:15px}.fixed-scroll span{font-size:20px}.fixed-chat{font-size:16px;padding:17px 25px;white-space:nowrap;gap:20px}.chat-dialog{z-index:50}.about-more{border:0;border-bottom:1px solid var(--line);background:none;color:var(--green)}.chat-about-popover{position:fixed;z-index:45;width:min(360px,calc(100vw - 24px));max-height:calc(100svh - 24px);overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:29px 27px 22px;box-shadow:0 14px 55px #233a302b;animation:popover-grow .28s cubic-bezier(.2,.8,.2,1)}.chat-about-popover[hidden]{display:none}.chat-about-popover .eyebrow{font-size:8px;margin-bottom:14px;padding-right:25px}.chat-about-popover h3{font-family:var(--serif);font-size:24px;font-weight:400;margin:0 0 17px}.chat-about-popover p:not(.eyebrow){font-size:12px;line-height:1.95;color:var(--muted)}.chat-about-popover .popover-last{color:var(--green)!important;border-top:1px solid var(--line);padding-top:13px;margin-bottom:0}.popover-close{position:absolute;right:13px;top:12px;display:grid;place-items:center;padding:0;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;background:none;color:var(--ink);font-size:20px;line-height:1}.nav-about:hover{color:var(--ink)}@keyframes popover-grow{from{opacity:0;transform:scale(.08)}to{opacity:1;transform:scale(1)}}@media(max-width:700px){.fixed-bottom{gap:14px;padding:10px 11px 10px 17px;bottom:max(12px,env(safe-area-inset-bottom));max-width:calc(100% - 20px)}.fixed-chat{font-size:13px;padding:15px;gap:10px}.fixed-scroll{font-size:9px;letter-spacing:0;gap:8px}.hero-foot{display:flex;margin-top:26px}.hero-foot .tiny-orbit{width:40px;height:40px}.hero-lead{max-width:360px}.healing-heading>p{max-width:400px}}@media(max-width:370px){.fixed-bottom{gap:10px;padding-left:12px}.fixed-chat{font-size:12px;padding:13px 10px;gap:7px}.fixed-scroll span{display:none}}@media(prefers-reduced-motion:reduce){.chat-about-popover{animation:none}}

/* 底部独立按钮，聊天铺满浏览器可视区域 */
.fixed-bottom{padding:0;border:0;background:transparent;backdrop-filter:none;box-shadow:none;border-radius:0;gap:0}.fixed-chat{border-radius:18px;box-shadow:0 7px 25px #243a3026}.chat-dialog{position:fixed;inset:0;margin:0;width:100vw;height:100vh;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;padding:0}.chat-dialog[open]{display:flex}html.chat-is-open,html.chat-is-open body{overflow:hidden}
.language-control{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:transparent;flex-shrink:0}.language-icon{font-size:21px;line-height:1;color:var(--green)}.language-control select{font:inherit;font-size:12px;border:0;color:var(--ink);background:var(--paper);max-width:105px;cursor:pointer;min-height:24px}.language-control select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.download-dropdown{position:relative;display:inline-block;margin:0 0 25px;z-index:10}.download-trigger{border:1px solid #a9b79d;border-radius:10px;background:transparent;padding:12px 19px;font-size:14px;color:var(--green);display:flex;gap:21px;align-items:center}.download-trigger:hover{background:#e9ede1}.download-menu{position:absolute;top:calc(100% + 9px);left:0;min-width:220px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:7px;box-shadow:0 9px 30px #263e301f;opacity:0;visibility:hidden;transform:translateY(-5px);transition:opacity .2s,transform .2s,visibility .2s}.download-menu::before{content:'';position:absolute;top:-10px;left:0;right:0;height:10px}.download-dropdown.is-open .download-menu{opacity:1;visibility:visible;transform:none}.download-menu button{border:0;background:none;display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 12px;color:var(--ink);font-size:13px;border-radius:6px}.download-menu button:hover,.download-menu button:focus-visible{background:#e9ede1}html:not([lang='zh-CN']):not([lang='ja']):not([lang='ko']) .hero h1{font-size:clamp(35px,3.6vw,59px);line-height:1.3;letter-spacing:0}html:not([lang='zh-CN']) .site-header nav{gap:22px}html:not([lang='zh-CN']) .brand>span{letter-spacing:0;font-size:17px}.hero-lead{max-width:480px}html:not([lang='zh-CN']) .fixed-chat{font-size:14px}@media(max-width:1000px){html:not([lang='zh-CN']) .site-header nav{gap:12px;font-size:10px}html:not([lang='zh-CN']) .brand small{font-size:7px}.language-control{padding:6px 8px}.download-dropdown{margin-bottom:22px}}@media(max-width:700px){.language-icon{display:none}.language-control select{font-size:11px;max-width:90px}.download-trigger{font-size:13px;padding:11px 16px}.download-menu{min-width:205px}html:not([lang='zh-CN']):not([lang='ja']):not([lang='ko']) .hero h1{font-size:36px}html:not([lang='zh-CN']) .kindness-note{display:block}html:not([lang='zh-CN']) .kindness-button{white-space:normal}html:not([lang='zh-CN']) .brand>span{font-size:14px}}

/* Gentle section entrances, limited to transform and opacity. */
.reveal{transition:opacity .95s ease,transform 1.05s cubic-bezier(.22,1,.36,1)}
@media(prefers-reduced-motion:reduce){.reveal{transition:none}}