@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&display=swap');
:root{--paper:#f5eddc;--ink:#2e2826;--red:#913e3b;--line:#d7c8b1;--muted:#776b61;--cream:#fffaf0;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,"Microsoft YaHei",sans-serif}a{color:inherit;text-underline-offset:5px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b55a32;outline-offset:4px}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 23px;border:1px solid var(--red);border-radius:3px;background:var(--red);color:#fff9ec;text-decoration:none;line-height:1.5}.quiet{background:transparent;color:var(--red);border-color:var(--line)}.plain{border:0;background:transparent;color:var(--ink);padding:8px}.skip{position:absolute;top:-80px;left:10px;z-index:10;background:white;padding:8px}.skip:focus{top:10px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 5vw;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;font:700 22px/1.3 "Noto Serif SC",serif}.seal{font-size:27px;border:1px solid var(--red);color:var(--red);padding:3px 9px}.brand small{display:block;font:10px/2 system-ui;letter-spacing:2px;color:var(--muted)}nav{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:13px}nav button{font-size:13px;padding:7px 10px}nav [aria-pressed=true]{color:var(--red);border-bottom:2px solid var(--red)}main{min-height:70vh}h1,h2,h3,blockquote{font-family:"Noto Serif SC","Songti SC",serif}h1{font-size:clamp(36px,4.6vw,66px);line-height:1.24;letter-spacing:-1px;margin:22px 0}h2{font-size:clamp(26px,3vw,38px);line-height:1.45;margin:14px 0}h3{font-size:22px;line-height:1.5}p{margin:12px 0}.eyebrow{color:var(--red);font-size:12px;letter-spacing:3px}.muted,small{color:var(--muted)}.hero{max-width:1440px;margin:auto;display:grid;grid-template-columns:.85fr 1.15fr;gap:5vw;padding:60px 5vw 68px;align-items:center}.hero h1 em{font-style:normal;color:var(--red)}.hero .lead{max-width:430px;font-size:17px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 15px}.picture{position:relative;border:1px solid var(--ink);box-shadow:9px 9px 0 #d7c8b1;overflow:hidden;background:#312a2c}.picture img{display:block;width:100%;height:100%;object-fit:cover}.hero .picture{aspect-ratio:4/4.5}.hero .picture img,.hero .picture video{object-position:62% center}.picture video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.caption{position:absolute;bottom:0;left:0;right:0;padding:12px 18px;color:white;background:linear-gradient(transparent,#241d1de0);font-size:12px}.ribbon{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 5vw;display:flex;justify-content:center;gap:45px;font-size:13px}.wrap{max-width:1140px;padding:65px 30px;margin:auto}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff9ed;border:1px solid var(--line);padding:25px}.card small{color:var(--red);letter-spacing:2px}.card h3{margin:14px 0}.cta{text-align:center;padding:50px 20px;background:#e9ddc9}.cta blockquote{font-size:24px}.stage{max-width:1120px;margin:44px auto 65px;padding:0 30px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.stage .picture{aspect-ratio:4/5;position:sticky;top:25px}.stage .picture img{object-position:55% center}.stage h1{font-size:38px}.bubble{background:#fff9ed;border:1px solid var(--ink);padding:22px 26px;position:relative;font:600 22px/1.8 "Noto Serif SC",serif;margin:28px 0}.bubble:before{content:'';position:absolute;width:14px;height:14px;background:#fff9ed;border-left:1px solid;border-top:1px solid;top:-8px;left:30px;transform:rotate(45deg)}.progress{display:flex;gap:8px;margin:20px 0}.progress span{height:3px;background:var(--line);flex:1}.progress .done{background:var(--red)}label{display:block;margin:18px 0 7px;font-weight:600;font-size:14px}input,select,textarea{display:block;width:100%;padding:12px;background:var(--cream);border:1px solid #b9a58b;border-radius:3px;color:var(--ink)}input[type=checkbox],input[type=radio]{width:auto;display:inline-block;margin-right:8px;accent-color:var(--red)}.row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.twocol{grid-template-columns:1fr 1fr}.hint{font-size:12px;color:var(--muted)}.error{color:#a32727;font-size:14px}fieldset{padding:0;border:0;margin:22px 0}legend{font-weight:700}fieldset label{border:1px solid var(--line);padding:11px 13px;background:var(--cream);font-weight:400;margin:8px 0}fieldset label:has(input:checked){border-color:var(--red);background:#f0ded4}.report{max-width:1190px;padding:36px 30px 70px;margin:auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:45px}.toc{position:sticky;top:22px;align-self:start}.toc a{display:block;padding:12px 10px;text-decoration:none;font-size:14px;border-bottom:1px solid var(--line)}.toc a[aria-current=page]{background:#e8d8c5;color:var(--red);border-left:3px solid var(--red)}.toc small{display:block;margin:15px 0}.chapter h1{font-size:42px}.chapter .picture{aspect-ratio:16/9;box-shadow:6px 6px 0 #d7c8b1;margin:25px 0}.chapter .bubble{font-size:23px}.section{padding:15px 0 27px;border-bottom:1px solid var(--line)}.section p{font-size:17px;line-height:1.95}.do{padding:16px 20px;border-left:3px solid var(--red);background:#ede2cf}.do strong{display:block;color:var(--red);font-size:13px;margin-bottom:5px}details{margin-top:18px;color:var(--muted);font-size:12px}summary{cursor:pointer}details p{font-size:13px!important}.chapter-nav{display:flex;justify-content:space-between;gap:15px;margin-top:30px}.facts{display:flex;gap:12px;flex-wrap:wrap}.facts div{padding:10px 20px;background:#eee1cf;text-align:center}.facts b{display:block;font-size:20px}.cloud-row{padding:18px 0;border-bottom:1px solid var(--line)}.cloud-row small{display:block}dialog{border:1px solid var(--line);background:var(--paper);color:var(--ink);max-width:650px;width:calc(100% - 32px);max-height:85vh;padding:28px;overflow:auto}dialog::backdrop{background:#221819a8}.close{float:right}.dialog-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}#notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:100;background:#322725;color:white;padding:13px 22px;max-width:90%;border-radius:4px;display:none}#notice.show{display:block}footer{border-top:1px solid var(--line);padding:25px 5vw;display:flex;gap:20px;justify-content:space-between;font-size:12px;color:var(--muted)}.loading{min-height:60vh;display:grid;place-content:center;text-align:center}.loading b{font-size:36px;color:var(--red)}@media(max-width:850px){header{padding:14px 20px;align-items:flex-start}.brand{font-size:18px}nav{justify-content:flex-end;max-width:230px}.hero{grid-template-columns:1fr;padding:35px 25px;gap:30px}.hero .picture{aspect-ratio:16/11}.hero h1{font-size:43px}.grid{grid-template-columns:1fr 1fr}.ribbon{gap:18px;font-size:11px}.stage{grid-template-columns:1fr;gap:20px;margin-top:25px;padding:0 23px}.stage .picture{aspect-ratio:16/9;position:relative;top:0}.stage h1{font-size:32px}.report{display:block;padding:22px}.toc{position:static;margin-bottom:25px}.toc>div{display:flex;overflow:auto;gap:8px;padding-bottom:8px}.toc a{min-width:135px;border:1px solid var(--line);font-size:12px}.toc small{display:none}.chapter h1{font-size:32px}.chapter .bubble{font-size:20px}.chapter .picture{aspect-ratio:4/3}.wrap{padding:40px 24px}footer{display:block}}@media(max-width:480px){header{gap:8px}.brand small{font-size:8px;letter-spacing:1px}nav{gap:0;max-width:170px}nav button{font-size:11px;padding:6px}.grid{grid-template-columns:1fr}.row{gap:6px}.row input{padding:10px 7px}.ribbon{gap:10px}.bubble{padding:18px}.chapter-nav button{padding:12px;font-size:14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

[hidden]{display:none!important}

/* Use the phone layout within the centered reading column. */
@container storyview (max-width:850px){header{padding:14px 20px;align-items:flex-start}.brand{font-size:18px}nav{justify-content:flex-end;max-width:230px}.hero{grid-template-columns:1fr;padding:35px 25px;gap:30px}.hero .picture{aspect-ratio:16/11}.hero h1{font-size:43px}.grid{grid-template-columns:1fr 1fr}.ribbon{gap:18px;font-size:11px}.stage{grid-template-columns:1fr;gap:20px;margin-top:25px;padding:0 23px}.stage .picture{aspect-ratio:16/9;position:relative;top:0}.stage h1{font-size:32px}.report{display:block;padding:22px}.toc{position:static;margin-bottom:25px}.toc>div{display:flex;overflow:auto;gap:8px;padding-bottom:8px}.toc a{min-width:135px;border:1px solid var(--line);font-size:12px}.toc small{display:none}.chapter h1{font-size:32px}.chapter .bubble{font-size:20px}.chapter .picture{aspect-ratio:4/3}.wrap{padding:40px 24px}footer{display:block}}
@container storyview (max-width:480px){header{gap:8px}.brand small{font-size:8px;letter-spacing:1px}nav{gap:0;max-width:170px}nav button{font-size:11px;padding:6px}.grid{grid-template-columns:1fr}.row{gap:6px}.row input{padding:10px 7px}.ribbon{gap:10px}.bubble{padding:18px}.chapter-nav button{padding:12px;font-size:14px}}