:root{--paper:#f7f7f2;--surface:#eeefe8;--ink:#282d29;--muted:#62695f;--accent:#3e5947;--line:#d9ddd3;--radius:6px;--content:1184px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3,p,ul{margin:0}a{color:inherit;text-decoration:none}button,summary,a{-webkit-tap-highlight-color:transparent}a,summary{touch-action:manipulation}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px;border-radius:3px}img{display:block;max-width:100%;height:auto}.content-width{width:min(var(--content),calc(100% - 112px));margin-inline:auto}.section-space{padding-block:96px}.skip-link{position:fixed;top:-100px;left:20px;padding:12px 20px;background:var(--accent);color:white;z-index:100}.skip-link:focus{top:12px}.site-header{height:84px;position:sticky;top:0;background:rgb(247 247 242 / .97);z-index:30;border-bottom:1px solid var(--line)}.header-inner{width:min(var(--content),calc(100% - 112px));height:100%;margin-inline:auto;display:flex;align-items:center;justify-content:space-between}.wordmark{font-size:23px;letter-spacing:.03em;font-weight:650;line-height:1}.wordmark-sign,.name-period,.footer-name span{color:var(--accent)}.desktop-nav{display:flex;gap:36px;font-size:14px;color:var(--muted)}.desktop-nav a{padding:25px 0;position:relative}.desktop-nav a:hover,.desktop-nav a[data-current]{color:var(--accent)}.desktop-nav a[data-current]::after{content:"";height:2px;background:var(--accent);position:absolute;bottom:14px;left:0;right:0}.mobile-nav{display:none}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;padding-block:56px 76px}.hero-copy{padding-bottom:5px}.identity{color:var(--muted);font-size:13px;letter-spacing:.025em;max-width:370px;line-height:1.8}.hero h1{font-size:clamp(72px,7.5vw,104px);font-weight:600;line-height:1.28;letter-spacing:-.055em;margin:18px 0 26px}.name-period{font-family:Arial,sans-serif;letter-spacing:0;margin-left:5px}.hero-statement{font-size:clamp(25px,2.65vw,36px);font-weight:500;line-height:1.65;letter-spacing:-.045em}.hero-statement span{display:block}.hero-intro{max-width:430px;color:var(--muted);font-size:15px;line-height:2;margin-top:23px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:32px}.primary-link{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--accent);color:white;min-height:49px;padding:12px 22px;border-radius:var(--radius);font-size:14px;font-weight:500;white-space:nowrap;transition:background .2s,transform .2s}.primary-link:hover{background:#2e4536;transform:translateY(-2px)}.primary-link span{font-size:19px;line-height:1}.text-link{color:var(--accent);font-size:13px;white-space:nowrap}.text-link span{margin-left:7px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.hero-portrait{overflow:hidden;border-radius:var(--radius);aspect-ratio:3/4;max-height:610px;width:100%;background:#d7d5cb}.hero-portrait img{width:100%;height:100%;object-fit:cover;object-position:center 38%}.about-section{display:grid;grid-template-columns:.95fr 1.3fr;gap:110px;border-top:1px solid var(--line);padding-top:72px}.section-kicker{font-size:13px;color:var(--accent);margin-bottom:16px}.about-heading h2{font-size:30px;line-height:1.65;letter-spacing:-.03em;max-width:350px;font-weight:550}.about-copy{font-size:16px;color:var(--muted);line-height:2}.about-copy p+p{margin-top:19px}.section-heading{margin-bottom:43px}.section-heading h2{font-size:32px;line-height:1.6;letter-spacing:-.035em;font-weight:550}.section-heading p{font-size:14px;color:var(--muted);margin-top:11px}.thinking-section{background:var(--surface)}.principles-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 46px}.principle{border-top:1px solid #d1d6ca;padding:23px 0 13px}.principle summary{display:grid;grid-template-columns:1fr 22px;column-gap:12px;list-style:none;cursor:pointer;align-items:start}.principle summary::-webkit-details-marker{display:none}.principle-title{font-size:21px;font-weight:500;line-height:1.65;letter-spacing:-.025em}.expand-mark{color:var(--accent);font-size:23px;line-height:1.5;transition:transform .2s}.principle[open] .expand-mark{transform:rotate(45deg)}.principle-summary{font-size:14px;color:var(--muted);grid-column:1/-1;margin-top:11px;padding-right:24px;line-height:1.9}.principle-body{font-size:14px;color:var(--muted);padding-top:19px;padding-right:22px;line-height:2}.product-row{display:grid;grid-template-columns:1.02fr 1.28fr .7fr;gap:35px;padding:38px 0 40px;border-top:1px solid var(--line);align-items:center}.product-audience{font-size:12px;color:var(--muted)}.product-intro h3{font-size:37px;line-height:1.4;letter-spacing:-.045em;margin:10px 0 12px;font-weight:550}.product-intro h3 a:hover{color:var(--accent)}.product-tagline{font-size:13px;color:var(--muted)}.product-summary>p{font-size:14px;color:var(--muted);line-height:2}.feature-preview{list-style:none;padding:0;display:flex;gap:8px 17px;flex-wrap:wrap;margin-top:14px;font-size:11px;color:var(--muted)}.feature-preview li{display:inline-flex;align-items:center;gap:7px}.feature-preview li::before{content:"";width:4px;height:4px;border:1px solid var(--accent);transform:rotate(45deg)}.product-action{display:flex;flex-direction:column;align-items:flex-end;gap:26px}.status-label{font-size:11px;color:var(--accent);padding:4px 0;line-height:1.7;display:inline-block}.round-link{font-size:13px;display:inline-flex;gap:26px;align-items:center;color:var(--accent);border:1px solid #b8c3b6;padding:10px 17px;border-radius:var(--radius);white-space:nowrap;transition:background .2s}.round-link:hover{background:var(--surface)}.round-link span{font-size:18px;line-height:1}.notes-section{padding-top:10px}.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:43px}.note{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;align-items:flex-start}.note-meta{font-size:11px;color:var(--muted);display:flex;gap:17px;flex-wrap:wrap;align-items:center}.note-meta span{color:var(--accent)}.note h3{font-size:22px;font-weight:500;letter-spacing:-.03em;line-height:1.7;margin-top:18px;margin-bottom:12px}.note h3 a:hover{color:var(--accent)}.note>p:not(.note-meta){font-size:14px;color:var(--muted);line-height:1.9}.note-link{font-size:12px;color:var(--accent);margin-top:auto;padding-top:22px}.note-link:hover{text-decoration:underline;text-underline-offset:5px}.note-link span{margin-left:12px}.site-footer{width:min(var(--content),calc(100% - 112px));margin-inline:auto;border-top:1px solid var(--line);padding:44px 0 25px}.footer-main{display:flex;align-items:center;gap:36px}.footer-name{font-size:26px;font-weight:600;letter-spacing:-.03em}.footer-main p{font-size:14px;color:var(--muted)}.back-top{font-size:12px;color:var(--accent);margin-left:auto;white-space:nowrap}.back-top span{margin-left:9px}.footer-meta{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:10px;color:var(--muted);margin-top:39px}.detail-main,.article-main{padding-block:42px 100px;min-height:70dvh}.return-link{font-size:13px;color:var(--accent);display:inline-flex;gap:11px;align-items:center}.return-link:hover{text-decoration:underline;text-underline-offset:5px}.product-detail{display:grid;grid-template-columns:1fr 1.25fr;gap:100px;padding-top:66px}.detail-heading{position:sticky;top:132px;align-self:start}.detail-heading h1{font-size:62px;letter-spacing:-.055em;font-weight:550;line-height:1.5}.detail-lead{font-size:21px;line-height:1.8;margin:20px 0;max-width:350px}.detail-content{font-size:16px;color:var(--muted);padding-top:6px;line-height:2}.detail-content h2{color:var(--ink);font-size:21px;font-weight:550;margin-bottom:19px}.detail-content>p{margin-bottom:42px}.detail-features{list-style:none;padding:0;margin-bottom:40px}.detail-features li{padding-block:12px;border-bottom:1px solid var(--line);font-size:15px}.availability{background:var(--surface);padding:27px 30px 31px;border-radius:var(--radius)}.availability h2{font-size:18px;margin-bottom:11px}.availability p{font-size:14px}.availability .primary-link{margin-top:25px}.writing{max-width:740px;margin:68px auto 0}.writing h1{font-size:43px;font-weight:550;line-height:1.6;letter-spacing:-.045em;margin-top:22px}.article-lead{font-size:19px;color:var(--muted);margin-top:22px;line-height:1.9}.article-body{font-size:18px;line-height:2.15;margin-top:44px;border-top:1px solid var(--line);padding-top:34px}.article-body p+p{margin-top:22px}.article-author{font-size:15px;color:var(--accent);margin-top:36px}.not-found{padding-block:130px;min-height:65dvh}.not-found h1{font-size:36px;font-weight:550}.not-found p{margin:17px 0 30px;color:var(--muted)}
@media(min-width:1600px){.hero{padding-top:72px;padding-bottom:88px;gap:100px}.hero h1{font-size:110px}.hero-portrait{max-height:none}.hero-intro{font-size:16px}}
@media(max-width:1100px){.content-width,.header-inner,.site-footer{width:calc(100% - 72px)}.hero{gap:40px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:76px}.hero-statement{font-size:28px}.hero-actions{gap:18px}.primary-link{padding-inline:17px;gap:18px}.hero-intro{font-size:14px}.about-section{gap:60px}.about-heading h2{font-size:27px}.product-row{grid-template-columns:.95fr 1.2fr .7fr;gap:26px}.product-detail{gap:65px}.notes-grid{gap:27px}.note h3{font-size:20px}}
@media(max-width:767px){html{scroll-padding-top:90px}.content-width,.header-inner,.site-footer{width:calc(100% - 40px)}.site-header{height:68px}.wordmark{font-size:21px}.desktop-nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav>summary{list-style:none;font-size:13px;cursor:pointer;padding:12px 0 12px 14px;display:flex;align-items:center;gap:18px}.mobile-nav>summary::-webkit-details-marker{display:none}.mobile-nav>summary span{font-size:20px;color:var(--accent)}.mobile-nav[open]>summary span{transform:rotate(45deg)}.mobile-nav nav{position:absolute;top:48px;right:0;min-width:160px;padding:12px 20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 16px 30px rgb(40 45 41 / .07)}.mobile-nav nav a{display:block;padding:10px 4px;font-size:14px}.hero{grid-template-columns:1fr;gap:32px;padding-block:36px 45px}.hero-copy{padding-bottom:0}.identity{font-size:11px;max-width:none;letter-spacing:0}.hero h1{font-size:72px;margin:14px 0 20px}.hero-statement{font-size:27px;line-height:1.65}.hero-intro{font-size:14px;margin-top:20px;max-width:480px}.hero-actions{margin-top:24px;gap:22px}.primary-link{min-height:46px;font-size:13px;padding:11px 18px;gap:20px}.text-link{font-size:12px}.hero-portrait{width:100%;max-height:none;aspect-ratio:4/4.7}.hero-portrait img{object-position:center 25%}.section-space{padding-block:56px}.about-section{grid-template-columns:1fr;gap:25px}.section-kicker{font-size:12px;margin-bottom:12px}.about-heading h2{font-size:27px;max-width:370px;line-height:1.65}.about-copy{font-size:15px;line-height:2}.about-copy p+p{margin-top:16px}.section-heading{margin-bottom:29px}.section-heading h2{font-size:26px;line-height:1.6;max-width:360px}.section-heading p{font-size:13px;margin-top:13px;max-width:360px;line-height:1.9}.principles-grid{grid-template-columns:1fr;gap:8px}.principle{padding:21px 0 15px}.principle-title{font-size:19px}.principle-summary{font-size:13px;margin-top:9px}.principle-body{font-size:14px}.product-row{grid-template-columns:1fr;gap:18px;padding:28px 0 32px}.product-audience{font-size:11px}.product-intro h3{font-size:33px;margin:7px 0 9px}.product-tagline{font-size:13px}.product-summary>p{font-size:14px}.feature-preview{font-size:11px;margin-top:12px}.product-action{flex-direction:row;align-items:center;justify-content:space-between;gap:14px;margin-top:3px}.round-link{font-size:12px;padding:8px 14px;gap:22px}.status-label{font-size:11px}.notes-section{padding-top:0}.notes-grid{grid-template-columns:1fr;gap:27px}.note{padding-top:19px}.note h3{font-size:21px;margin:14px 0 10px}.note-meta{font-size:11px}.note-link{padding-top:18px}.site-footer{padding-top:31px;padding-bottom:23px}.footer-main{flex-wrap:wrap;gap:14px;align-items:center}.footer-name{font-size:23px}.footer-main p{font-size:12px;width:100%;order:3}.back-top{font-size:11px}.footer-meta{font-size:10px;gap:7px;margin-top:28px;flex-direction:column}.detail-main,.article-main{padding-top:26px;padding-bottom:60px}.return-link{font-size:12px}.product-detail{grid-template-columns:1fr;gap:35px;padding-top:35px}.detail-heading{position:static}.detail-heading h1{font-size:48px}.detail-lead{font-size:20px;margin:16px 0}.detail-content{font-size:15px}.detail-content>p{margin-bottom:30px}.detail-content h2{font-size:20px;margin-bottom:14px}.availability{padding:23px}.availability h2{font-size:18px}.writing{margin-top:36px}.writing h1{font-size:30px;line-height:1.6;margin-top:20px}.article-lead{font-size:17px;margin-top:20px}.article-body{font-size:16px;line-height:2.1;margin-top:30px;padding-top:26px}.not-found{padding-block:90px}.not-found h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.hero-actions,.back-top,.return-link,.note-link,.round-link,.skip-link{display:none}.content-width,.site-footer{width:100%}.section-space{padding-block:30px}.hero{gap:30px}.hero-portrait{max-height:420px}.site-footer{break-inside:avoid}.principle-body{display:block}.product-detail{gap:40px}.detail-heading{position:static}}

/* Editorial redesign: charcoal, portrait-led composition, serif display. */
:root{--paper:#242522;--surface:#2c2d29;--ink:#eeede7;--muted:#aeafa5;--accent:#c5b791;--line:#46483f;--content:1232px;--radius:2px;color-scheme:dark}
::selection{background:var(--accent);color:var(--paper)}
.content-width,.header-inner,.site-footer{width:min(var(--content),calc(100% - 128px))}.section-space{padding-block:130px}.site-header{height:96px;position:relative;background:var(--paper);border:0}.home-page .site-header{position:absolute;inset:0 0 auto;background:transparent}.wordmark{font-size:25px;font-weight:500}.desktop-nav{font-size:13px;color:#d6d5cd;gap:38px}.desktop-nav a[data-current]::after{height:1px;bottom:17px}
.hero{position:relative;min-height:max(800px,100dvh);width:min(1600px,100%);margin-inline:auto;isolation:isolate;overflow:hidden;display:flex;align-items:center;padding:0;gap:0}.hero-portrait{position:absolute;z-index:-1;right:0;top:0;bottom:0;width:61%;max-height:none;aspect-ratio:auto;border-radius:0;background:none;mask-image:linear-gradient(90deg,transparent,#000 26%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 26%)}.hero-portrait::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--paper),transparent 34%,transparent 85%,rgb(36 37 34 / .2))}.hero-portrait img{width:100%;height:100%;object-fit:cover;object-position:center 27%}.hero-copy{width:min(var(--content),calc(100% - 128px));margin-inline:auto;padding:140px 0 105px;position:relative}.identity{font-size:12px;letter-spacing:.05em;color:#c8c7bd;max-width:460px}.hero h1{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:clamp(118px,14vw,184px);font-weight:400;letter-spacing:-.075em;line-height:1.25;margin:29px 0;width:max-content}.name-period{font-family:Georgia,serif;letter-spacing:0;font-size:.85em;margin-left:8px}.hero-statement{font-size:31px;line-height:1.8;letter-spacing:.025em;font-weight:350;max-width:560px}.hero-intro{font-size:13px;line-height:2.1;color:#c0c0b5;max-width:340px;margin-top:26px}.hero-actions{gap:36px;margin-top:32px}.primary-link{gap:44px;font-size:13px;color:var(--ink);padding:13px 0;border:0;border-bottom:1px solid var(--accent);border-radius:0;min-height:0;background:none}.primary-link span{font-size:24px;color:var(--accent);transition:transform .25s}.primary-link:hover{color:var(--accent);background:none;transform:none}.primary-link:hover span{transform:translate(3px,-3px)}.text-link{font-size:12px;color:var(--muted)}
.about-section{grid-template-columns:1.14fr 1fr;gap:130px;padding-top:115px;padding-bottom:135px;align-items:start}.section-kicker{font-size:12px;letter-spacing:.08em;margin-bottom:25px}.about-heading h2,.section-heading h2,.product-intro h3,.note h3,.footer-name,.detail-heading h1,.writing h1{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-weight:400;text-wrap:balance}.about-heading h2{font-size:48px;letter-spacing:-.04em;line-height:1.65;max-width:510px}.about-copy{padding-top:50px;font-size:16px;line-height:2.1}.about-copy p+p{margin-top:24px}.section-heading{margin-bottom:62px}.section-heading h2{font-size:48px;line-height:1.6;letter-spacing:-.045em;max-width:870px}.section-heading p{font-size:13px;margin-top:20px;line-height:1.9}.thinking-section{position:relative}.thinking-section::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgb(255 255 255 / .045) .6px,transparent .6px);background-size:5px 5px;opacity:.3}.principles-grid{position:relative;gap:37px 80px}.principle{border-color:#53564b;padding:28px 0 18px}.principle-title{font-size:23px;line-height:1.8;font-weight:400;max-width:410px}.principle-summary{font-size:13px;line-height:2;margin-top:16px;padding-right:36px}.principle-body{font-size:14px;line-height:2.05;color:#c2c2b6;padding-top:20px;padding-right:32px}.principle:hover .principle-title{color:var(--accent)}
.products-section{padding-top:135px;padding-bottom:115px}.product-list{display:grid;grid-template-columns:1fr 1fr;gap:70px 52px}.product-row{min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;border:0}.product-cover{min-height:300px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;isolation:isolate;color:#edece2}.cover-0{background:#3c443d;min-height:430px}.cover-1{background:#42423b}.cover-2{background:#353a3a}.product-cover::before{content:"";position:absolute;inset:32px;border:1px solid rgb(230 230 216 / .18);transition:transform .6s;z-index:-1}.cover-0::after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgb(230 230 216 / .2);border-radius:50%;right:-30px;bottom:-60px;z-index:-1}.cover-1::after{content:"";position:absolute;width:140px;height:180px;transform:rotate(-12deg);border:1px solid rgb(230 230 216 / .18);left:45px;bottom:-50px;z-index:-1}.cover-2{background-image:linear-gradient(rgb(226 226 212 / .055) 1px,transparent 1px),linear-gradient(90deg,rgb(226 226 212 / .055) 1px,transparent 1px);background-size:48px 48px}.cover-name{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:85px;font-weight:400;letter-spacing:-.07em;transition:transform .6s}.cover-purpose{position:absolute;left:51px;bottom:47px;font-size:10px;letter-spacing:.14em;color:#c2c5b7}.cover-line{position:absolute;top:49px;right:50px;width:38px;height:1px;background:var(--accent)}.product-cover:hover .cover-name{transform:translateY(-5px)}.product-cover:hover::before{transform:scale(.96)}.product-row:first-child{grid-column:1/-1;display:grid;grid-template-columns:1.27fr 1fr;gap:75px;align-items:center}.product-row:first-child .cover-name{font-size:120px}.product-info{padding-top:30px}.product-row:first-child .product-info{padding-top:0}.product-audience{font-size:11px}.product-intro h3{font-size:39px;margin:8px 0 14px}.product-tagline{font-size:17px;line-height:1.8;color:var(--ink)}.product-summary{margin-top:22px}.product-summary>p{font-size:13px;line-height:2.05;max-width:480px}.feature-preview{margin-top:18px;gap:6px 16px;color:#b4b7aa;font-size:10px}.feature-preview li{padding-right:13px;border-right:1px solid var(--line);line-height:1.4}.feature-preview li::before{display:none}.feature-preview li:last-child{border:0}.product-action{flex-direction:row;align-items:center;justify-content:space-between;margin-top:30px;gap:20px;border-top:1px solid var(--line);padding-top:19px}.status-label{font-size:10px}.round-link{font-size:12px;gap:24px;border:0;padding:0;border-radius:0}.round-link span{font-size:22px;color:var(--accent);transition:transform .25s}.round-link:hover{background:none;color:var(--accent)}.round-link:hover span{transform:translate(3px,-3px)}
.notes-section{padding-top:55px;padding-bottom:135px}.notes-grid{grid-template-columns:1.25fr 1fr;gap:0 80px}.note{padding:28px 0 32px;min-width:0}.note:first-child{grid-row:span 2;justify-content:center;padding-right:60px}.note-meta{font-size:10px;gap:22px;font-variant-numeric:tabular-nums}.note h3{font-size:27px;line-height:1.75;margin:20px 0 16px}.note:first-child h3{font-size:40px;line-height:1.7;margin:29px 0 24px}.note>p:not(.note-meta){font-size:13px;line-height:2}.note-link{display:inline-flex;gap:28px;align-items:center;font-size:11px;padding:0;margin-top:24px}.site-footer{padding:54px 0 28px}.footer-main{gap:42px}.footer-name{font-size:37px;letter-spacing:-.06em}.footer-meta{font-size:10px;color:#94988b;margin-top:54px;font-variant-numeric:tabular-nums}.back-top{font-size:11px}.detail-heading h1{font-size:76px}.detail-lead{font-size:23px;line-height:1.9}.detail-content{line-height:2.1}.detail-content h2{font-weight:400}.availability{border-radius:0;border-left:1px solid var(--accent)}.writing h1{font-size:52px;line-height:1.7}.article-body{line-height:2.25;color:#d0d1c6}
@media(min-width:1600px){.hero-copy{padding-top:155px;padding-bottom:120px}.hero h1{font-size:205px}.hero{min-height:920px}.hero-portrait{width:60%}}
@media(max-width:1100px){.content-width,.header-inner,.site-footer,.hero-copy{width:calc(100% - 80px)}.hero{min-height:780px}.hero h1{font-size:135px}.hero-portrait{width:64%;mask-image:linear-gradient(90deg,transparent,#000 35%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 35%)}.hero-statement{font-size:27px}.hero-intro{max-width:290px;font-size:12px}.about-section{gap:65px}.about-heading h2{font-size:39px}.section-heading h2{font-size:42px}.principles-grid{gap:28px 45px}.principle-title{font-size:21px}.product-row:first-child{gap:40px}.cover-0{min-height:390px}.product-row:first-child .cover-name{font-size:100px}.cover-name{font-size:67px}.product-list{gap:55px 35px}.product-intro h3{font-size:34px}.notes-grid{gap:0 45px}.note:first-child{padding-right:15px}.note:first-child h3{font-size:35px}}
@media(max-width:767px){.content-width,.header-inner,.site-footer,.hero-copy{width:calc(100% - 42px)}.site-header{height:78px}.wordmark{font-size:23px}.mobile-nav nav{background:var(--surface);border-radius:0}.hero{min-height:max(900px,110dvh);align-items:start;padding:0}.hero-portrait{width:100%;height:650px;top:45px;bottom:auto;mask-image:linear-gradient(0deg,transparent,#000 28%,#000 92%,transparent);-webkit-mask-image:linear-gradient(0deg,transparent,#000 28%,#000 92%,transparent)}.hero-portrait::after{background:linear-gradient(0deg,var(--paper),transparent 55%),linear-gradient(90deg,rgb(36 37 34 / .22),transparent 50%)}.hero-portrait img{object-position:58% 15%;object-fit:cover}.hero-copy{padding:120px 0 50px;display:flex;flex-direction:column}.identity{font-size:10px;line-height:1.9;max-width:170px;color:#ebe9dc;text-shadow:0 1px 8px rgb(0 0 0 / .3)}.hero h1{font-size:105px;letter-spacing:-.08em;line-height:1.25;margin-top:260px;margin-bottom:20px;text-shadow:0 2px 30px rgb(0 0 0 / .13)}.hero-statement{font-size:24px;line-height:1.8;letter-spacing:.015em}.hero-intro{font-size:12px;line-height:2.1;max-width:340px;margin-top:20px;color:#bfc0b4}.hero-actions{margin-top:20px;gap:34px}.primary-link{font-size:12px;gap:38px;padding:12px 0;min-height:0}.text-link{font-size:11px}.section-space{padding-block:72px}.about-section{grid-template-columns:1fr;gap:28px;padding-top:64px;padding-bottom:78px}.section-kicker{font-size:11px;margin-bottom:18px}.about-heading h2{font-size:35px;max-width:370px;line-height:1.7}.about-copy{padding-top:0;font-size:14px;line-height:2.1}.about-copy p+p{margin-top:19px}.section-heading{margin-bottom:37px}.section-heading h2{font-size:35px;line-height:1.65;max-width:370px}.section-heading p{font-size:12px;margin-top:17px;max-width:350px}.principles-grid{gap:15px}.principle{padding:23px 0 17px}.principle-title{font-size:20px;line-height:1.8}.principle-summary{font-size:12px;margin-top:12px;padding-right:16px}.principle-body{font-size:13px;line-height:2;padding-right:14px}.products-section{padding-top:76px}.product-list{grid-template-columns:1fr;gap:46px}.product-row:first-child{display:flex;grid-column:auto;gap:0}.product-cover,.cover-0{min-height:285px}.product-row:first-child .cover-name{font-size:100px}.cover-name{font-size:76px}.product-cover::before{inset:24px}.cover-purpose{left:39px;bottom:36px;font-size:9px}.cover-line{top:39px;right:39px;width:30px}.product-info,.product-row:first-child .product-info{padding-top:25px}.product-audience{font-size:10px}.product-intro h3{font-size:34px;margin-top:7px;margin-bottom:12px}.product-tagline{font-size:16px}.product-summary{margin-top:17px}.product-summary>p{font-size:13px}.feature-preview{font-size:10px;margin-top:15px;gap:7px 11px}.feature-preview li{padding-right:10px}.product-action{margin-top:25px;padding-top:18px}.status-label{font-size:10px}.round-link{font-size:11px;gap:22px}.notes-section{padding-top:0;padding-bottom:74px}.notes-grid{grid-template-columns:1fr;gap:0}.note,.note:first-child{grid-row:auto;padding:25px 0 29px}.note:first-child h3,.note h3{font-size:27px;line-height:1.75;margin:20px 0 15px}.note-meta{font-size:10px}.note>p:not(.note-meta){font-size:12px}.note-link{margin-top:20px}.site-footer{padding-top:33px;padding-bottom:25px}.footer-name{font-size:32px}.footer-main p{font-size:12px}.footer-meta{font-size:9px;gap:8px;margin-top:36px}.back-top{font-size:10px}.detail-heading h1{font-size:58px}.detail-lead{font-size:20px}.detail-content{font-size:14px}.detail-content h2{font-size:19px}.availability{padding:22px}.availability h2{font-size:17px}.availability p{font-size:13px}.writing h1{font-size:34px;line-height:1.7}.article-lead{font-size:17px}.article-body{font-size:16px;line-height:2.15}}
@media(max-width:359px){.hero h1{font-size:93px}.hero-statement{font-size:22px}.hero-actions{gap:22px}.section-heading h2{font-size:31px}.cover-name{font-size:65px}}
@media(prefers-reduced-motion:no-preference){.hero h1{animation:cover-reveal 1s both}.hero-statement{animation:cover-reveal 1s .12s both}.hero-intro,.hero-actions{animation:cover-reveal 1s .22s both}@keyframes cover-reveal{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.will-reveal{opacity:0;transform:translateY(28px);transition:opacity .8s,transform .8s}.will-reveal.is-visible{opacity:1;transform:translateY(0)}}
@media print{.will-reveal{opacity:1;transform:none}}
/* Cover contrast and first-screen rhythm. */
.home-page .desktop-nav{color:#282c25}.home-page .desktop-nav a:hover,.home-page .desktop-nav a[data-current]{color:#655331}.hero{min-height:max(760px,100dvh)}.hero-copy{padding-block:120px 70px}.hero h1{line-height:1.15;margin-block:24px 23px}.hero-intro{display:none}
@media(max-width:767px){.hero{min-height:810px}.hero-copy{padding-top:120px;padding-bottom:52px}.hero h1{margin-top:260px;margin-bottom:20px;line-height:1.25}.hero-actions{margin-top:24px}.hero-portrait{height:650px}.home-page .mobile-nav>summary{color:var(--ink)}.home-page .mobile-nav nav{background:var(--surface)}}
@media(max-width:767px){.identity{color:#292d26;text-shadow:none}}
.product-cover{width:100%}
@media(max-width:767px){.product-row:first-child{align-items:stretch}}

/* Refined identity scale and the products' existing brand lockups. */
.hero h1{font-size:clamp(82px,8.4vw,116px);line-height:1.22;letter-spacing:-.06em;margin-block:29px 31px}
.brand-lockup{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:88%;position:relative}
.brand-emblem{display:grid;place-items:center;flex:none;width:76px;height:76px;margin-bottom:25px}
.brand-emblem .product-logo{width:76px;height:76px;object-fit:contain;max-height:none}
.brand-title{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:45px;font-weight:500;letter-spacing:.025em;line-height:1.4}
.product-row:first-child .brand-title{font-size:56px}
.brand-slogan{font-size:14px;line-height:1.9;margin-top:17px;letter-spacing:.025em;max-width:340px;text-wrap:balance}
.brand-editorial-name{font-size:13px;color:#c1c7bf;letter-spacing:.14em;margin-bottom:21px}
.brand-process{display:flex;align-items:center;gap:13px;font-size:11px;letter-spacing:.035em;margin-top:23px;color:#bbc3b9}
.brand-process>span{color:#7f8b7e}
.product-cover::after{display:none}
.cover-zhujian{background:#17352b;color:#f1f3ec}
.cover-zhujian .brand-slogan{color:#c8d5cc}
.cover-jigemingbai{background:#e0e7dc;color:#295d4d}
.cover-jigemingbai::before{border-color:rgb(41 93 77 / .19)}
.cover-jigemingbai .cover-purpose{color:#456b58}
.cover-jigemingbai .cover-line{background:#6c8c72}
.cover-jigemingbai .brand-slogan{color:#355e4f}
.cover-type .brand-title{font-size:40px;font-weight:400;letter-spacing:.015em}
.product-summary>p{font-size:14px;line-height:2.1}
.feature-preview{font-size:11px;gap:8px 13px;line-height:1.8}
/* Reuse of the existing four-corner Zhujian mark, including its amber center. */
.zj-logo-mark{position:relative;display:block;width:34px;height:34px;transform:scale(1.85);color:rgb(255 255 255 / .9)}
.zj-logo-mark::before,.zj-logo-mark::after,.zj-logo-corners::before,.zj-logo-corners::after{position:absolute;width:10px;height:10px;content:"";border-color:currentColor}
.zj-logo-mark::before{left:0;top:0;border-left:3px solid;border-top:3px solid}
.zj-logo-mark::after{right:0;top:0;border-right:3px solid;border-top:3px solid}
.zj-logo-corners::before{left:0;bottom:0;border-left:3px solid;border-bottom:3px solid}
.zj-logo-corners::after{right:0;bottom:0;border-right:3px solid;border-bottom:3px solid}
.zj-logo-dot{position:absolute;left:50%;top:50%;width:7px;height:7px;background:#d39a4c;transform:translate(-50%,-50%)}
.detail-heading>.brand-emblem{width:48px;height:48px;margin-bottom:30px}
.detail-heading .zj-logo-mark{transform:scale(1.2)}
.detail-heading .product-logo{width:48px;height:48px;background:#e0e7dc;padding:6px;box-sizing:content-box}
.detail-heading .section-kicker{line-height:1.9;margin-bottom:15px}
.detail-brand-slogan{font-size:15px;line-height:1.95;color:var(--accent);margin-top:20px;max-width:350px}
.detail-heading .detail-lead{font-size:20px;line-height:1.9;margin-top:22px;max-width:350px}
.detail-content .detail-audience{font-size:13px;color:var(--accent);margin-bottom:15px}
.product-workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;margin:24px 0 43px;border-block:1px solid var(--line)}
.product-workflow li{font-size:12px;line-height:1.8;padding:18px 8px 18px 0;position:relative}
.product-workflow li+li{padding-left:17px}
.product-workflow li+li::before{content:"›";position:absolute;left:0;color:var(--accent)}
.capabilities-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 30px;margin:25px 0 45px}
.capability{border-top:1px solid var(--line);padding-top:18px;min-width:0}
.capability h3{font-size:16px;line-height:1.8;font-weight:500;color:var(--ink);margin-bottom:12px}
.capability p{font-size:13px;line-height:2.05;color:var(--muted)}
@media(min-width:1600px){.hero h1{font-size:124px}}
@media(max-width:1100px){.hero h1{font-size:94px}.product-row:first-child .brand-title{font-size:49px}.brand-title{font-size:39px}.brand-slogan{font-size:13px;max-width:290px}.brand-process{gap:10px;font-size:10px}.cover-type .brand-title{font-size:32px}.capabilities-grid{grid-template-columns:1fr;gap:24px}}
@media(max-width:767px){.hero h1{font-size:76px;margin-top:275px;margin-bottom:26px;line-height:1.22}.brand-emblem{width:64px;height:64px;margin-bottom:22px}.brand-emblem .product-logo{width:64px;height:64px}.brand-title,.product-row:first-child .brand-title{font-size:38px}.brand-slogan{font-size:12px;max-width:280px;margin-top:17px}.zj-logo-mark{transform:scale(1.6)}.brand-process{font-size:10px;gap:10px}.brand-editorial-name{font-size:12px;margin-bottom:20px}.cover-type .brand-title{font-size:34px}.product-summary>p{font-size:13px}.feature-preview{font-size:10px;gap:8px 10px}.detail-heading>.brand-emblem{width:44px;height:44px;margin-bottom:25px}.detail-heading .product-logo{width:44px;height:44px}.detail-heading .zj-logo-mark{transform:scale(1.1)}.detail-heading .detail-lead{font-size:19px}.detail-brand-slogan{font-size:14px}.product-workflow{margin-bottom:34px}.product-workflow li{font-size:11px;padding-block:15px}.product-workflow li+li{padding-left:13px}.capabilities-grid{gap:21px;margin-top:22px;margin-bottom:35px}.capability{padding-top:16px}.capability h3{font-size:16px;margin-bottom:10px}.capability p{font-size:13px}}
@media(max-width:359px){.hero h1{font-size:67px}.brand-title,.product-row:first-child .brand-title{font-size:34px}.brand-slogan{max-width:235px}.cover-type .brand-title{font-size:30px}.product-workflow{grid-template-columns:1fr 1fr}.product-workflow li:nth-child(3){padding-left:0}.product-workflow li:nth-child(3)::before{display:none}}

/* A single editorial statement, with each product given its own brand space. */
.hero h1.hero-statement{font-size:clamp(38px,4.1vw,59px);line-height:1.65;letter-spacing:-.035em;font-weight:400;width:auto;max-width:650px;margin:31px 0 0;text-shadow:none}
.hero-actions{margin-top:39px}
.product-cover{padding:46px 30px;box-sizing:border-box}
.brand-lockup{max-width:100%;width:100%}
.brand-slogan{max-width:calc(100% - 12px);text-wrap:balance}
.cover-qizhu-quote{background:#3e3d33;background-image:none;color:#ede5d4}
.cover-qizhu-quote .brand-slogan{color:#d3c6a8}
.cover-qizhu-quote .cover-line{background:#cdb88d}
.cover-qizhu-quote::before{border-color:rgb(205 184 141 / .24)}
.detail-heading .product-logo[src*="qiben"]{background:none;padding:0}
@media(max-width:1100px){.hero h1.hero-statement{font-size:43px;max-width:520px}.product-cover{padding-inline:28px}.brand-slogan{font-size:13px;max-width:calc(100% - 10px)}}
@media(max-width:767px){.hero h1.hero-statement{font-size:35px;line-height:1.7;letter-spacing:-.035em;margin:285px 0 0;width:100%;max-width:420px}.hero-copy .identity{font-size:10px;max-width:100%;line-height:1.9}.hero-actions{margin-top:31px}.product-cover{min-height:310px;padding:40px 34px}.brand-slogan{font-size:12px;max-width:100%;margin-top:17px}.brand-title,.product-row:first-child .brand-title{font-size:36px}}
@media(max-width:359px){.hero h1.hero-statement{font-size:30px}.hero-actions{gap:26px}.product-cover{padding-inline:28px}.brand-title,.product-row:first-child .brand-title{font-size:32px}.brand-slogan{font-size:11px}}

/* Selected Qiben wordmark: its shared stroke is the complete identity. */
.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}
.cover-qizhu-quote{background:#303e34;color:#f1eee5}
.cover-qizhu-quote::before{border-color:rgb(225 233 222 / .2)}
.cover-qizhu-quote .cover-line{background:#aabda8}
.cover-qizhu-quote .brand-slogan{color:#cdd7c7}
.brand-emblem.brand-wordmark{display:block;width:220px;max-width:100%;height:auto;margin:0}
.brand-wordmark .product-logo{display:block;width:100%;height:auto;max-height:none;object-fit:contain}
.detail-heading h1.detail-wordmark-heading{line-height:1;margin:18px 0 24px}
.detail-wordmark-heading .brand-wordmark{width:185px}
@media(max-width:767px){.brand-emblem.brand-wordmark{width:200px}.detail-wordmark-heading .brand-wordmark{width:165px}.detail-heading h1.detail-wordmark-heading{margin:17px 0 22px}}