:root{--ink:#f5f0f7;--muted:#b9afc3;--dim:#81768c;--night:#0b0711;--plum:#170d1d;--violet:#8b6cff;--cyan:#38d4dc;--gold:#d1a56c;--paper:#e9dcc7;--paper-ink:#30242a;--line:rgba(255,255,255,.13);--shell:min(1180px,calc(100% - 48px));--ease-out:cubic-bezier(.23,1,.32,1);--ease-in-out:cubic-bezier(.77,0,.175,1);--page-progress:0}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:92px;background:var(--night)}body{min-width:320px;overflow-x:hidden;background:var(--night);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;line-height:1.7}button,textarea{font:inherit}.shell{width:var(--shell);margin-inline:auto}a,button{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}::selection{background:rgba(139,108,255,.55);color:#fff}.skip-link{position:fixed;left:16px;top:-70px;z-index:2000;background:#fff;color:#111;padding:10px 16px;border-radius:6px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* 官网同构透明导航 */
.biography-site-header{position:fixed;inset:0 0 auto;z-index:1000;height:80px;background:transparent;border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease}.biography-site-header.scrolled{background:rgba(10,6,17,.84);border-color:rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.navbar{position:relative;display:flex;align-items:center;justify-content:center;width:100%;max-width:1920px;height:100%;margin:auto;padding:0 40px}.logo{position:absolute;left:40px;display:flex;align-items:center;color:#fff;text-decoration:none}.logo-image{display:block;width:auto;height:46px;filter:drop-shadow(0 0 12px rgba(56,212,220,.3));transition:transform .3s var(--ease-out)}.logo:hover .logo-image{transform:scale(1.04)}.nav-menu{display:flex;align-items:center;gap:clamp(18px,2.05vw,40px);list-style:none}.nav-link{position:relative;display:block;padding:27px 0;color:rgba(255,255,255,.86);font-size:15px;font-weight:500;text-decoration:none;white-space:nowrap;transition:color .2s ease}.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:17px;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan));transition:right .3s var(--ease-out)}.nav-link:hover,.nav-link.active{color:#fff}.nav-link:hover::after,.nav-link.active::after{right:0}.lingjing-emoji{margin-left:3px}.nav-right{position:absolute;right:40px;display:flex;align-items:center;gap:14px}.btn-nav{display:inline-flex;align-items:center;justify-content:center;min-width:126px;height:48px;padding:0 22px;border-radius:999px;background:linear-gradient(135deg,#6b45ee,#914dff);box-shadow:0 10px 28px rgba(76,49,177,.28);color:#fff;font-size:14px;font-weight:600;text-decoration:none;transition:transform .25s var(--ease-out),box-shadow .25s ease}.btn-nav:hover{transform:translateY(-2px);box-shadow:0 15px 32px rgba(76,49,177,.4)}.lang-selector{position:relative}.lang-btn{display:flex;align-items:center;gap:9px;height:48px;padding:0 18px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.055);color:#fff;cursor:pointer}.lang-icon{width:20px}.lang-arrow{width:14px;transition:transform .25s ease}.lang-selector.open .lang-arrow{transform:rotate(180deg)}.lang-dropdown{position:absolute;right:0;top:calc(100% + 10px);display:grid;min-width:150px;padding:7px;border:1px solid var(--line);border-radius:12px;background:rgba(20,13,27,.98);box-shadow:0 18px 45px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateY(-7px);transition:.22s var(--ease-out)}.lang-selector.open .lang-dropdown{opacity:1;visibility:visible;transform:none}.lang-option{border:0;border-radius:8px;background:transparent;color:var(--muted);padding:9px 12px;text-align:left;cursor:pointer}.lang-option:hover,.lang-option.active{background:rgba(139,108,255,.17);color:#fff}.hamburger,.mobile-only{display:none}
/* 阅读坐标 */
.chapter-rail{position:fixed;left:25px;top:50%;z-index:30;display:grid;gap:17px;transform:translateY(-50%)}.chapter-rail::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;background:rgba(255,255,255,.15)}.chapter-rail a{position:relative;display:flex;align-items:center;gap:11px;color:rgba(255,255,255,.36);font-size:10px;letter-spacing:.15em;text-decoration:none;transition:color .25s ease}.chapter-rail a::before{content:"";z-index:1;width:19px;height:19px;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:var(--night);transition:.3s var(--ease-out)}.chapter-rail a span{display:none}.chapter-rail a b{font-weight:500;opacity:0;transform:translateX(-5px);transition:.3s var(--ease-out)}.chapter-rail a:hover,.chapter-rail a.active{color:var(--gold)}.chapter-rail a:hover::before,.chapter-rail a.active::before{border-color:var(--gold);box-shadow:inset 0 0 0 5px var(--night),inset 0 0 0 10px var(--gold)}.chapter-rail a:hover b,.chapter-rail a.active b{opacity:1;transform:none}.memory-thread{position:fixed;right:0;top:0;z-index:1001;width:3px;height:100dvh;background:rgba(255,255,255,.05);pointer-events:none}.memory-thread span{display:block;width:100%;height:100%;transform:scaleY(var(--page-progress));transform-origin:top;background:linear-gradient(var(--cyan),var(--violet),var(--gold));box-shadow:0 0 15px rgba(139,108,255,.75)}
/* 完整首屏 */
.bio-hero{position:relative;display:grid;align-items:center;min-height:100vh;min-height:100dvh;overflow:hidden}.hero-image{position:absolute;inset:0;background:url('../image/biography/hero-background.webp') center/cover no-repeat;transform:scale(1.035);animation:hero-breathe 18s var(--ease-in-out) infinite alternate}.bio-hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(10,6,16,.84),rgba(13,8,18,.48) 43%,rgba(12,8,17,.12) 75%),linear-gradient(180deg,rgba(5,3,8,.15) 55%,var(--night) 100%)}.bio-hero::after{content:"";position:absolute;z-index:1;inset:auto -12% -32% 35%;height:58%;background:radial-gradient(ellipse,rgba(139,108,255,.2),transparent 68%);filter:blur(20px)}.hero-layout{position:relative;z-index:2;display:flex;align-items:center;min-height:100dvh;padding:130px 0 110px}.hero-copy{width:min(720px,67vw)}.hero-mark{display:flex;align-items:center;gap:14px;margin-bottom:28px;color:rgba(255,255,255,.72);font-size:11px;letter-spacing:.24em}.hero-mark i{width:54px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}.hero-mark span:last-child{color:var(--gold)}.hero-copy h1{max-width:760px;font-family:"Noto Serif SC","Songti SC","STSong",serif;font-size:clamp(52px,6.2vw,92px);font-weight:400;line-height:1.18;letter-spacing:-.045em;text-wrap:balance;text-shadow:0 8px 35px rgba(0,0,0,.28)}.hero-lead{max-width:600px;margin:30px 0 34px;color:rgba(255,255,255,.78);font-size:clamp(17px,1.45vw,21px);font-weight:300;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 27px;border:1px solid rgba(255,255,255,.14);border-radius:4px;background:linear-gradient(135deg,#7957ed,#5c45c5);box-shadow:0 16px 38px rgba(64,40,137,.32);color:#fff;font-weight:600;text-decoration:none;transition:transform .3s var(--ease-out),box-shadow .3s ease}.primary-button:hover{transform:translateY(-3px);box-shadow:0 21px 44px rgba(64,40,137,.45)}.text-link{position:relative;color:#fff;text-decoration:none}.text-link::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:1px;background:var(--gold);transition:right .3s var(--ease-out)}.text-link:hover::after{right:0}.trust-line{display:flex;margin-top:26px;color:rgba(255,255,255,.55);font-size:12px}.trust-line span+span::before{content:"/";margin:0 12px;color:rgba(255,255,255,.22)}.hero-scroll{position:absolute;z-index:3;right:42px;bottom:38px;display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.55);font-size:9px;letter-spacing:.2em;text-decoration:none;writing-mode:vertical-rl}.hero-scroll i{display:block;width:1px;height:48px;overflow:hidden;background:rgba(255,255,255,.22)}.hero-scroll i::after{content:"";display:block;width:1px;height:20px;background:#fff;animation:scroll-line 2s var(--ease-in-out) infinite}@keyframes hero-breathe{to{transform:scale(1.075) translate3d(-.6%,.4%,0)}}@keyframes scroll-line{0%{transform:translateY(-100%)}55%,100%{transform:translateY(260%)}}
/* 索引与首屏连续 */
.archive-index-section{position:relative;z-index:4;margin-top:-42px;padding:0 0 120px;background:linear-gradient(180deg,transparent,var(--night) 110px)}.memory-index{position:relative;display:grid;grid-template-columns:1.05fr repeat(4,1fr);border-block:1px solid rgba(255,255,255,.12);background:rgba(15,9,20,.68);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.index-caption{display:flex;align-items:center;padding:26px;color:var(--gold);font-family:"Noto Serif SC",serif;font-size:14px;letter-spacing:.12em}.memory-index article{position:relative;display:grid;grid-template-columns:auto 1fr;gap:13px;min-height:150px;padding:27px 22px;border-left:1px solid rgba(255,255,255,.09);overflow:hidden}.memory-index article::after{content:"";position:absolute;inset:auto 0 0;height:2px;background:linear-gradient(90deg,var(--gold),var(--violet));transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease-out)}.memory-index article:hover::after,.memory-index article.is-current::after{transform:scaleX(1)}.memory-index article>span{color:var(--gold);font-size:11px}.memory-index article b{display:block;margin-bottom:7px;color:#fff;font-family:"Noto Serif SC",serif;font-size:14px;font-weight:500}.memory-index article p{color:var(--dim);font-size:11px}.memory-index .wave{color:var(--cyan);font-size:14px;letter-spacing:.1em}.demo-status{position:absolute;right:22px;bottom:-34px;display:flex;align-items:center;gap:8px;color:var(--dim);font-size:10px}.demo-status i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:status-pulse 2.2s ease infinite}@keyframes status-pulse{50%{opacity:.38;box-shadow:0 0 4px var(--cyan)}}
/* 连续长卷 */
.section-heading{max-width:670px}.eyebrow{margin-bottom:17px;color:var(--gold);font-size:12px;letter-spacing:.18em}.section-heading h2,.closing-content h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(36px,4.5vw,62px);font-weight:400;line-height:1.25;letter-spacing:-.035em;text-wrap:balance}.section-heading>p:last-child{max-width:590px;margin-top:19px;color:var(--muted);font-size:16px}.value-section{position:relative;padding:110px 0 165px}.value-section::after{content:"";position:absolute;left:13%;right:-20%;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}.value-ledger{display:grid;grid-template-columns:repeat(4,1fr);margin-top:80px;border-top:1px solid var(--line)}.value-ledger article{position:relative;min-height:255px;padding:36px 28px 34px 0;border-right:1px solid var(--line);overflow:hidden}.value-ledger article+article{padding-left:28px}.value-ledger article:last-child{border-right:0}.value-ledger article::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease-out)}.value-ledger article:hover::before{transform:scaleX(1)}.value-ledger article>span{display:block;margin-bottom:47px;color:rgba(209,165,108,.33);font-family:"Noto Serif SC",serif;font-size:56px;line-height:1;transition:.4s var(--ease-out)}.value-ledger article:hover>span{color:var(--gold);transform:translateY(-4px)}.value-ledger h3{margin-bottom:10px;font-family:"Noto Serif SC",serif;font-size:20px;font-weight:500}.value-ledger p{color:var(--dim);font-size:13px}
.process-section{position:relative;padding:165px 0;background:radial-gradient(circle at 9% 30%,rgba(104,76,176,.14),transparent 28%),linear-gradient(180deg,var(--night),#120a17 45%,var(--night))}.process-section::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:linear-gradient(transparent,rgba(209,165,108,.17),transparent)}.process-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(480px,1.1fr);gap:clamp(80px,10vw,150px)}.process-copy{position:sticky;top:130px;align-self:start}.process-list{list-style:none}.process-list li{display:grid;grid-template-columns:72px 1fr;gap:30px;min-height:210px;padding:14px 0 72px;border-bottom:1px solid var(--line);opacity:.48;transition:opacity .45s ease,transform .55s var(--ease-out)}.process-list li+li{padding-top:72px}.process-list li.is-current{opacity:1;transform:translateX(-10px)}.process-list li>span{color:var(--gold);font-family:"Noto Serif SC",serif;font-size:13px;letter-spacing:.15em}.process-list h3{margin-bottom:12px;font-family:"Noto Serif SC",serif;font-size:29px;font-weight:400}.process-list p{max-width:500px;color:var(--muted);font-size:15px}
/* 家谱完整原图 */
.family-section{position:relative;padding:155px 0 165px}.demo-heading{display:flex;align-items:end;justify-content:space-between}.scroll-hint{display:none;margin:28px 0 8px;color:var(--gold);font-size:11px;text-align:right}.tree-frame{position:relative;margin-top:70px;overflow:hidden;border:1px solid rgba(209,165,108,.38);background:var(--paper);box-shadow:0 40px 90px rgba(0,0,0,.34)}.tree-frame::before,.tree-frame::after{content:"";position:absolute;z-index:5;pointer-events:none}.tree-frame::before{inset:13px;border:1px solid rgba(62,42,34,.17)}.tree-frame::after{top:-1px;left:8%;width:84%;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}.tree-canvas{position:relative;width:100%;aspect-ratio:3/2;min-height:700px;overflow:hidden}.tree-watermark{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:1}.tree-lines,.tree-nodes{position:absolute;inset:0;width:100%;height:100%}.tree-lines path{fill:none;stroke:rgba(77,62,50,.63);stroke-width:.22;vector-effect:non-scaling-stroke;stroke-dasharray:2200;stroke-dashoffset:2200}.tree-frame.tree-visible .tree-lines path{animation:draw-tree 2.1s .15s var(--ease-out) forwards}@keyframes draw-tree{to{stroke-dashoffset:0}}.person-node{position:absolute;z-index:3;width:104px;border:0;background:transparent;color:var(--paper-ink);cursor:pointer;transform:translate(-50%,-50%);opacity:0}.tree-frame.tree-visible .person-node{animation:node-arrive .7s var(--node-delay,0s) var(--ease-out) forwards}@keyframes node-arrive{from{opacity:0;transform:translate(-50%,calc(-50% + 18px)) scale(.94)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.node-card{display:flex;flex-direction:column;align-items:center}.node-avatar{width:68px;height:68px;border:3px solid rgba(255,250,241,.86);border-radius:50%;object-fit:cover;box-shadow:0 5px 16px rgba(43,31,26,.22);filter:saturate(.82);transition:transform .35s var(--ease-out),box-shadow .35s ease}.person-node:hover .node-avatar,.person-node:focus-visible .node-avatar,.person-node.active .node-avatar{transform:translateY(-4px) scale(1.07);box-shadow:0 9px 24px rgba(43,31,26,.3),0 0 0 2px var(--gold)}.node-name{margin-top:7px;font-family:"Noto Serif SC",serif;font-size:14px;font-weight:700}.node-relation{color:#775e4f;font-size:10px}.node-years{color:#907d70;font-size:9px}
/* 数字人 */
.digital-human-section{position:relative;padding:165px 0;background:radial-gradient(circle at 78% 35%,rgba(56,212,220,.11),transparent 29%),radial-gradient(circle at 19% 58%,rgba(139,108,255,.14),transparent 31%),#0c0712;overflow:hidden}.digital-human-section::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(56,212,220,.3),transparent)}.digital-heading{margin-bottom:70px}.dialogue-stage{display:grid;grid-template-columns:minmax(360px,.86fr) minmax(0,1.14fr);min-height:650px;border:1px solid var(--line);background:rgba(255,255,255,.025);box-shadow:0 36px 90px rgba(0,0,0,.25)}.human-stage{position:relative;display:flex;align-items:flex-end;justify-content:center;min-height:650px;overflow:hidden;border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(139,108,255,.04),rgba(25,13,32,.66))}.human-stage::before{content:"";position:absolute;left:50%;bottom:102px;width:270px;height:270px;border:1px solid rgba(56,212,220,.1);border-radius:50%;transform:translateX(-50%)}.human-halo{position:absolute;left:50%;top:43%;width:360px;height:360px;transform:translate(-50%,-50%)}.human-halo i{position:absolute;inset:0;border:1px solid rgba(56,212,220,.18);border-radius:50%;animation:orbit 12s linear infinite}.human-halo i:nth-child(2){inset:36px;border-color:rgba(139,108,255,.23);animation-direction:reverse;animation-duration:16s}.human-halo i:nth-child(3){inset:82px;border-style:dashed;animation-duration:20s}@keyframes orbit{to{transform:rotate(360deg)}}.human-figure{position:absolute;left:50%;bottom:112px;width:260px;height:390px;transform:translateX(-50%);animation:human-breathe 4.8s var(--ease-in-out) infinite}@keyframes human-breathe{50%{transform:translateX(-50%) translateY(-7px) scale(1.012)}}.human-head{position:absolute;left:50%;top:22px;width:112px;height:140px;border:1px solid rgba(255,255,255,.24);border-radius:46%;transform:translateX(-50%);background:radial-gradient(circle at 50% 34%,rgba(255,255,255,.16),transparent 42%),linear-gradient(160deg,rgba(139,108,255,.42),rgba(56,212,220,.08));box-shadow:inset 0 0 40px rgba(255,255,255,.08),0 0 55px rgba(139,108,255,.2)}.human-head i{position:absolute;left:26px;right:26px;top:68px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);box-shadow:0 0 11px var(--cyan)}.human-body{position:absolute;left:50%;bottom:0;width:250px;height:255px;border:1px solid rgba(255,255,255,.16);border-radius:48% 48% 8% 8%/30% 30% 8% 8%;transform:translateX(-50%);background:linear-gradient(160deg,rgba(139,108,255,.26),rgba(25,12,34,.2));box-shadow:inset 0 0 60px rgba(56,212,220,.07)}.human-state{position:relative;z-index:2;width:100%;padding:25px 28px 28px;background:linear-gradient(transparent,rgba(7,4,11,.94));text-align:center}.human-state i{display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:status-pulse 2.2s ease infinite}.human-state span{font-family:"Noto Serif SC",serif;font-size:16px}.human-state small{display:block;margin-top:4px;color:var(--dim);font-size:10px}.chat-panel{display:flex;flex-direction:column;padding:42px}.demo-notice{display:grid;grid-template-columns:auto 1fr;gap:18px;padding-bottom:24px;border-bottom:1px solid var(--line)}.demo-notice strong{color:var(--cyan);font-size:12px;white-space:nowrap}.demo-notice span{color:var(--dim);font-size:11px}.messages{display:flex;flex:1;flex-direction:column;gap:13px;max-height:300px;margin:27px 0;overflow:auto}.message{max-width:80%;padding:12px 15px;border-radius:3px;font-size:13px}.message.assistant{align-self:flex-start;border-left:2px solid var(--gold);background:rgba(255,255,255,.055);color:#e8e0eb}.message.user{align-self:flex-end;background:#6850c8;color:#fff}.prompt-list{display:flex;gap:8px;flex-wrap:wrap}.prompt-list button,.reset-chat{border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);padding:8px 13px;font-size:11px;cursor:pointer;transition:border-color .2s,color .2s,background .2s}.prompt-list button:hover,.reset-chat:hover{border-color:rgba(56,212,220,.5);background:rgba(56,212,220,.06);color:#fff}.chat-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:21px}.chat-form textarea{resize:none;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:3px;background:rgba(2,1,4,.42);color:#fff}.chat-form textarea:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(56,212,220,.08)}.chat-form button{min-width:74px;border:0;border-radius:3px;background:linear-gradient(135deg,#7659dd,#5543b0);color:#fff;cursor:pointer}.reset-chat{align-self:flex-start;margin-top:12px;padding-left:0;border:0;border-radius:0}
.closing-section{position:relative;display:grid;align-items:center;min-height:72vh;padding:130px 0;overflow:hidden;background:linear-gradient(180deg,#0c0712,#100918 56%,#09050e)}.closing-section::before{content:"";position:absolute;left:50%;top:50%;width:min(900px,100vw);height:min(900px,100vw);border:1px solid rgba(209,165,108,.1);border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 90px rgba(209,165,108,.025),0 0 0 190px rgba(139,108,255,.018)}.closing-content{position:relative;text-align:center}.closing-content h2{max-width:840px;margin:auto}.closing-content .primary-button{margin-top:42px}
/* 底部叙事收束 */
.bio-footer{position:relative;padding:90px 0 26px;overflow:hidden;border-top:1px solid rgba(255,255,255,.09);background:#07040b}.footer-orbit{position:absolute;left:-150px;bottom:-330px;width:600px;height:600px;border:1px solid rgba(139,108,255,.1);border-radius:50%}.footer-orbit i{position:absolute;border:1px solid rgba(255,255,255,.055);border-radius:50%}.footer-orbit i:nth-child(1){inset:90px}.footer-orbit i:nth-child(2){inset:180px}.footer-orbit i:nth-child(3){inset:270px;background:rgba(56,212,220,.1);box-shadow:0 0 60px rgba(56,212,220,.15)}.footer-grid{position:relative;display:grid;grid-template-columns:1.05fr 1.25fr .7fr;gap:clamp(50px,7vw,100px);align-items:start;padding-bottom:70px}.footer-brand .bio-logo{position:static;display:inline-flex;align-items:center;gap:15px;color:#fff;font-family:"Noto Serif SC",serif;font-size:20px;letter-spacing:.1em;text-decoration:none}.footer-brand .bio-logo img{width:46px;height:46px}.footer-brand p{max-width:280px;margin-top:20px;color:var(--dim);font-size:13px}.footer-chapters{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}.footer-chapters a{display:flex;align-items:baseline;gap:14px;padding:19px 4px;border-bottom:1px solid var(--line);color:#fff;text-decoration:none;transition:padding .3s var(--ease-out),color .2s}.footer-chapters a:nth-child(odd){margin-right:25px}.footer-chapters a:hover{padding-left:10px;color:var(--gold)}.footer-chapters span{color:var(--dim);font-size:9px}.footer-chapters b{font-family:"Noto Serif SC",serif;font-size:15px;font-weight:400}.footer-return>span{display:block;margin-bottom:18px;color:var(--dim);font-size:9px;letter-spacing:.18em}.footer-return a{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-block:1px solid var(--line);color:#fff;text-decoration:none}.footer-return b{font-size:13px;font-weight:500}.footer-return i{font-style:normal;color:var(--gold);font-size:20px;transition:transform .3s var(--ease-out)}.footer-return a:hover i{transform:translate(4px,-4px)}.footer-base{position:relative;display:flex;align-items:center;justify-content:space-between;padding-top:23px;border-top:1px solid rgba(255,255,255,.06);color:rgba(255,255,255,.28);font-size:9px;letter-spacing:.18em}.footer-base a{display:grid;place-items:center;width:37px;height:37px;border:1px solid var(--line);border-radius:50%;color:var(--muted);font-size:16px;text-decoration:none;transition:.25s}.footer-base a:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px)}
/* 人物弹窗 */
.person-modal{width:min(760px,calc(100% - 28px));max-height:88vh;margin:auto;padding:0;border:1px solid rgba(209,165,108,.32);border-radius:7px;background:#100a16;color:var(--ink);box-shadow:0 30px 100px rgba(0,0,0,.65)}.person-modal::backdrop{background:rgba(4,2,7,.74);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.close-panel{position:sticky;z-index:2;float:right;top:18px;right:18px;display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:rgba(12,7,17,.82);color:#fff;font-size:25px;cursor:pointer}.panel-content{padding:48px}.fiction-label{color:var(--gold);font-size:11px;letter-spacing:.16em}.person-head{display:flex;align-items:center;gap:24px;margin:20px 0 32px}.person-head img{width:108px;height:108px;border-radius:50%;object-fit:cover}.relation-badge,.person-years{color:var(--muted);font-size:12px}.person-head h2{font-family:"Noto Serif SC",serif;font-size:34px;font-weight:400}.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin:28px 0;background:var(--line)}.meta-grid div{padding:16px;background:#100a16}.meta-grid dt{color:var(--dim);font-size:10px}.meta-grid dd{margin-top:4px;font-size:13px}.panel-content section{margin-top:30px}.panel-content section h3{margin-bottom:9px;color:var(--gold);font-family:"Noto Serif SC",serif;font-size:18px;font-weight:400}.panel-content section p,.timeline{color:var(--muted);font-size:13px}.timeline{padding-left:18px}.record-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.record-grid div{padding:14px;background:rgba(255,255,255,.04);text-align:center}.record-grid b{display:block;font-size:20px}.record-grid span{color:var(--dim);font-size:10px}
/* 视口动效，无 JS 时不隐藏 */
.motion-ready [data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .85s var(--ease-out),transform .85s var(--ease-out);transition-delay:var(--reveal-delay,0ms)}.motion-ready [data-reveal="line"]{transform:translateX(-28px)}.motion-ready [data-reveal].is-visible{opacity:1;transform:none}
@media(max-width:1500px){.nav-menu{gap:18px}.nav-link{font-size:14px}.navbar{padding-inline:28px}.logo{left:28px}.nav-right{right:28px}.btn-nav{min-width:110px;padding-inline:17px}.lang-btn{padding-inline:14px}.chapter-rail{display:none}}
@media(max-width:1180px){.nav-menu{gap:13px}.nav-link{font-size:13px}.btn-nav{min-width:96px}.lang-btn{width:48px;padding:0;justify-content:center}.lang-current,.lang-arrow{display:none}.hero-copy{width:min(690px,75vw)}.memory-index{grid-template-columns:repeat(4,1fr)}.index-caption{grid-column:1/-1;padding:19px 22px;border-bottom:1px solid var(--line)}.process-layout{gap:70px}.tree-canvas{min-height:640px}}
@media(max-width:960px){.biography-site-header{height:72px}.navbar{justify-content:flex-end;padding:0 22px}.logo{left:22px}.logo-image{height:42px}.nav-right{right:78px}.nav-right .lang-selector{display:none}.nav-menu{position:fixed;inset:72px 0 auto;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:14px 22px 24px;border-bottom:1px solid var(--line);background:rgba(10,6,17,.97);opacity:0;visibility:hidden;transform:translateY(-12px);transition:.28s var(--ease-out)}.nav-menu.active{opacity:1;visibility:visible;transform:none}.nav-menu .mobile-only{display:block}.nav-link{padding:12px 4px;font-size:14px}.nav-link::after{bottom:7px}.nav-menu .btn-nav{width:100%;margin-top:12px}.nav-menu .lang-btn{width:100%;justify-content:flex-start}.nav-menu .lang-current,.nav-menu .lang-arrow{display:block}.nav-menu .lang-arrow{margin-left:auto}.nav-menu .lang-dropdown{position:static;display:none;margin-top:7px;opacity:1;visibility:visible;transform:none}.nav-menu .lang-selector.open .lang-dropdown{display:grid}.hamburger{position:relative;display:block;width:44px;height:44px;border:0;background:transparent;cursor:pointer}.hamburger::before,.hamburger::after{content:"";position:absolute;left:10px;width:24px;height:2px;background:#fff;transition:.3s var(--ease-out)}.hamburger::before{top:16px}.hamburger::after{top:26px}.hamburger.active::before{top:21px;transform:rotate(45deg)}.hamburger.active::after{top:21px;transform:rotate(-45deg)}.hero-copy{width:min(720px,90vw)}.memory-index{grid-template-columns:repeat(2,1fr)}.value-ledger{grid-template-columns:repeat(2,1fr)}.value-ledger article:nth-child(2){border-right:0}.process-layout{grid-template-columns:1fr}.process-copy{position:static}.tree-frame{overflow-x:auto}.tree-canvas{width:1060px;min-height:706px}.scroll-hint{display:block}.dialogue-stage{grid-template-columns:1fr}.human-stage{min-height:520px;border-right:0;border-bottom:1px solid var(--line)}.human-figure{height:335px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:680px){:root{--shell:calc(100% - 32px)}.biography-site-header{height:68px}.navbar{padding-inline:16px}.logo{left:16px}.logo-image{height:39px}.nav-right{right:68px}.nav-right .btn-nav{display:none}.nav-menu{top:68px;padding-inline:16px}.memory-thread{width:2px}.bio-hero{min-height:100svh}.hero-layout{min-height:100svh;padding:120px 0 90px;align-items:end}.hero-copy{width:100%}.hero-mark{margin-bottom:19px}.hero-copy h1{font-size:clamp(42px,12vw,58px);line-height:1.2}.hero-lead{margin:23px 0 27px;font-size:15px}.hero-actions{gap:20px}.primary-button{min-height:48px;padding-inline:20px;font-size:14px}.trust-line{flex-wrap:wrap}.hero-scroll{display:none}.archive-index-section{margin-top:0;padding-bottom:90px}.memory-index{grid-template-columns:1fr}.memory-index article{min-height:auto;border-left:0;border-top:1px solid var(--line)}.demo-status{position:static;padding:15px 22px}.value-section,.family-section{padding:95px 0 110px}.section-heading h2,.closing-content h2{font-size:36px}.value-ledger{grid-template-columns:1fr;margin-top:55px}.value-ledger article,.value-ledger article+article{min-height:auto;padding:27px 0;border-right:0;border-top:1px solid var(--line)}.value-ledger article>span{margin-bottom:20px;font-size:43px}.process-section,.digital-human-section{padding:110px 0}.process-list li{grid-template-columns:44px 1fr;gap:14px;min-height:auto;padding:23px 0 45px}.process-list li+li{padding-top:45px}.process-list li.is-current{transform:none}.process-list h3{font-size:24px}.tree-frame{margin-top:42px;margin-inline:-16px}.dialogue-stage{margin-inline:-16px;border-inline:0}.digital-heading{margin-bottom:45px}.human-stage{min-height:440px}.human-figure{bottom:87px;transform:translateX(-50%) scale(.84)}.human-halo{top:38%;width:270px;height:270px}.chat-panel{padding:28px 20px 32px}.demo-notice{grid-template-columns:1fr;gap:5px}.message{max-width:92%}.chat-form{grid-template-columns:1fr}.chat-form button{min-height:44px}.closing-section{min-height:65vh;padding:100px 0}.footer-grid{grid-template-columns:1fr;gap:50px}.footer-brand{grid-column:auto}.footer-chapters a:nth-child(odd){margin-right:12px}.person-modal{max-height:94vh}.panel-content{padding:42px 22px 28px}.person-head img{width:82px;height:82px}.person-head h2{font-size:28px}.meta-grid,.record-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.footer-chapters{grid-template-columns:1fr}.footer-chapters a:nth-child(odd){margin-right:0}.person-node{width:94px}.node-avatar{width:62px;height:62px}}@media(hover:hover){.person-node:hover{z-index:5}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.motion-ready [data-reveal]{opacity:1;transform:none}.tree-lines path{stroke-dashoffset:0}.person-node{opacity:1}}

/* 首屏原图不加全幅遮罩，只用文字自身阴影保证可读性 */
.bio-hero::before,.bio-hero::after{display:none}
.hero-copy h1{text-shadow:0 3px 5px rgba(0,0,0,.72),0 12px 40px rgba(0,0,0,.42)}
@media(max-width:680px){.human-figure{transform:translateX(-50%);scale:.84}}

/* 官网导航的尺寸、字重与按钮比例保持一致 */
.nav-link::after{display:none}.nav-link{padding:8px 0;line-height:24px;letter-spacing:.5px;font-weight:400}.nav-link:hover,.nav-link.active{font-weight:500}
.btn-nav{min-width:0;height:auto;padding:10px 28px;border-radius:24px;font-weight:500;box-shadow:none}.btn-nav:hover{transform:scale(1.03)}
.lang-btn{height:auto;padding:10px 20px;border-radius:24px;font-size:14px;font-weight:500}
@media(min-width:1501px){.nav-menu{gap:40px}.nav-link{font-size:16px}}
@media(max-width:1500px) and (min-width:961px){.nav-menu{gap:20px}.nav-link{font-size:14px}.navbar{padding-inline:24px}.logo{left:24px}.nav-right{right:24px}}

/* v16 · 首屏使用墨色文字，让原图保持无全幅遮罩且内容可读 */
.hero-mark{color:#5c4942;text-shadow:0 1px rgba(255,255,255,.42)}
.hero-mark i{background:linear-gradient(90deg,#9b7041,transparent)}
.hero-mark span:last-child{color:#8a5e32}
.hero-copy h1{color:#30262a;text-shadow:0 1px 0 rgba(255,255,255,.55),0 7px 22px rgba(69,48,44,.12)}
.hero-lead{color:#55494c;font-weight:400;text-shadow:0 1px rgba(255,255,255,.42)}
.text-link{color:#382d31;font-weight:500}.text-link::after{background:#77502e}
.trust-line{color:#625256;font-weight:500}.trust-line span+span::before{color:rgba(67,49,52,.28)}
.hero-scroll{color:#493b3e}.hero-scroll i{background:rgba(63,46,49,.28)}.hero-scroll i::after{background:#5e443d}

/* 记忆回响场贯穿数字人、行动区与底部栏 */
.closing-section{z-index:2;isolation:isolate;overflow:visible;background:linear-gradient(180deg,#0c0712 0%,#100918 56%,#09050e 100%)}
.closing-section::before{display:none}
.memory-ripples{position:absolute;z-index:-1;left:50%;top:50%;aspect-ratio:1;transform:translate(-50%,-50%);pointer-events:none}
.memory-ripples i{position:absolute;inset:0;border-radius:50%;opacity:0;will-change:transform,opacity;animation:memory-radiate 5.8s var(--ease-out) infinite both}
.closing-content{z-index:2}
.bio-footer{z-index:3;overflow:visible;border-top:0;background:linear-gradient(180deg,rgba(7,4,11,.08),#07040b 38%)}
.footer-orbit{display:none}

/* v17 · 撤回锯齿宣纸色块，把家谱作为一幅有尺度的档案主画面 */
.family-section{padding-bottom:165px;background:radial-gradient(ellipse at 50% 62%,rgba(209,165,108,.075),transparent 58%)}
.family-section::before,.family-section::after{display:none}
.tree-frame{width:min(1480px,calc(100vw - 120px));margin:64px 0 0 50%;transform:translateX(-50%);border:0;background:transparent;box-shadow:0 48px 120px rgba(0,0,0,.34);overflow:visible}
.tree-frame::before,.tree-frame::after{display:none}
.tree-canvas{min-height:0;aspect-ratio:3/2}
.generation-axis{position:absolute;z-index:7;left:-56px;top:0;bottom:0;display:grid;grid-template-rows:22% 27% 29% 22%;align-items:center;color:rgba(209,165,108,.62);font-family:"Noto Serif SC",serif;font-size:11px;letter-spacing:.12em;pointer-events:none}
.generation-axis::before{content:"";position:absolute;left:50%;top:9%;bottom:9%;width:1px;background:linear-gradient(transparent,rgba(209,165,108,.42),transparent)}
.generation-axis span{position:relative;display:grid;place-items:center;width:28px;height:28px;border:1px solid rgba(209,165,108,.28);border-radius:50%;background:var(--night)}

/* 波纹从“极细背景线”升级为可感知的记忆传播 */
.memory-ripples{width:min(780px,62vw)}
.memory-ripples::before{content:"";position:absolute;inset:18%;border-radius:50%;background:radial-gradient(circle,rgba(139,108,255,.2),rgba(139,108,255,.055) 42%,transparent 72%);filter:blur(18px);animation:ripple-core 3.6s var(--ease-in-out) infinite alternate}
.memory-ripples i{border-width:2px;border-color:rgba(226,181,119,.5);box-shadow:0 0 22px rgba(209,165,108,.13),inset 0 0 22px rgba(209,165,108,.07);animation-duration:5.8s}
.memory-ripples i:nth-child(2){border-color:rgba(158,130,255,.5);box-shadow:0 0 26px rgba(139,108,255,.16),inset 0 0 22px rgba(139,108,255,.07);animation-delay:-1.45s}
.memory-ripples i:nth-child(3){border-color:rgba(78,220,226,.4);box-shadow:0 0 24px rgba(56,212,220,.13),inset 0 0 20px rgba(56,212,220,.06);animation-delay:-2.9s}
.memory-ripples i:nth-child(4){border-color:rgba(226,181,119,.42);animation-delay:-4.35s}
@keyframes memory-radiate{0%{opacity:0;transform:scale(.5)}10%{opacity:.82}58%{opacity:.38}100%{opacity:0;transform:scale(1.72)}}
@keyframes ripple-core{from{opacity:.48;transform:scale(.92)}to{opacity:.86;transform:scale(1.06)}}

@media(max-width:960px){.tree-frame{width:calc(100vw - 32px);margin-left:50%;transform:translateX(-50%);overflow-x:auto}.tree-canvas{width:1060px}.generation-axis{display:none}.memory-ripples{width:86vw}}
@media(max-width:680px){.hero-copy h1{max-width:11ch}.hero-lead{max-width:32ch}.tree-frame{margin-left:50%}.memory-ripples{width:118vw}}
@media(prefers-reduced-motion:reduce){.memory-ripples::before{animation:none}.memory-ripples i{animation:none;box-shadow:none;opacity:.16}.memory-ripples i:nth-child(1){transform:scale(.62)}.memory-ripples i:nth-child(2){transform:scale(.84)}.memory-ripples i:nth-child(3){transform:scale(1.06)}.memory-ripples i:nth-child(4){transform:scale(1.28)}}

/* v18 · 页脚品牌锁定：保持 Logo 原始比例，与副标题同轴对齐 */
.footer-brand{display:flex;align-items:center;gap:20px}
.footer-brand .bio-logo{position:relative;display:block;flex:0 0 58px;width:58px;height:46px;overflow:hidden;letter-spacing:0}
.footer-brand .bio-logo img{position:absolute;left:50%;top:50%;width:auto;height:46px;max-width:none;object-fit:contain;transform:translate(-50%,-50%)}
.footer-brand p{margin:0;max-width:320px;line-height:1.65}
@media(max-width:680px){.footer-brand{gap:16px}.footer-brand .bio-logo{flex-basis:52px;width:52px;height:41px}.footer-brand .bio-logo img{height:41px}}