/* TEMPLATE-042：赤陶主场，独立的编辑式视觉体系。 */
:root {
    --s42-paper: #F6F1E8;
    --s42-white: #FFFCF6;
    --s42-wine: #5D1830;
    --s42-ink: #35242B;
    --s42-muted: #786760;
    --s42-clay: #B44A2D;
    --s42-peach: #EDAD87;
    --s42-line: #D8CCC0;
    --s42-rail: 244px;
    --s42-gutter: clamp(24px, 4.4vw, 72px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--s42-paper); color: var(--s42-ink); font: 15px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, input { border-radius: 0; }
img { display: block; max-width: 100%; height: auto; }
figure, h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.35; font-weight: 700; overflow-wrap: anywhere; }
h1, h2 { letter-spacing: -.045em; }
em { font-style: normal; }
::selection { background: var(--s42-wine); color: var(--s42-white); }
:focus-visible { outline: 3px solid var(--s42-clay); outline-offset: 5px; }
[hidden] { display: none !important; }
.s42-skip { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 20px; background: var(--s42-wine); color: white; transform: translateY(-160%); }
.s42-skip:focus { transform: none; }
.s42-shell { margin-left: var(--s42-rail); min-width: 0; }
.s42-wrap { width: 100%; max-width: 1480px; margin-inline: auto; padding-inline: var(--s42-gutter); }
.s42-section { padding-block: 84px; }
.s42-kicker { font-size: 11px; font-weight: 700; line-height: 1.7; letter-spacing: .13em; text-transform: uppercase; color: var(--s42-clay); }
.s42-section-head { display: grid; grid-template-columns: 1fr 1.75fr 1fr; gap: 26px; align-items: end; margin-bottom: 42px; }
.s42-section-head > .s42-kicker { align-self: start; padding-top: 8px; }
.s42-section-head h2 { color: var(--s42-wine); font-size: clamp(26px, 2.7vw, 40px); }
.s42-section-head h2 em { color: var(--s42-clay); }
.s42-section-head > p:not(.s42-kicker), .s42-section-head > a { font-size: 13px; }
.s42-section-head > a { justify-self: end; border-bottom: 1px solid currentColor; padding-bottom: 4px; }
.s42-section-head > h2:first-child { grid-column: span 2; }
.s42-button { display: inline-flex; align-items: center; justify-content: center; gap: 26px; min-height: 50px; padding: 12px 24px; background: var(--s42-wine); border: 1px solid var(--s42-wine); color: var(--s42-white); font-weight: 600; font-size: 14px; transition: background .2s, color .2s; }
.s42-button:hover { background: var(--s42-clay); border-color: var(--s42-clay); }
.s42-button.is-outline { color: var(--s42-wine); background: transparent; }
.s42-button.is-outline:hover { background: var(--s42-wine); color: var(--s42-white); }
.s42-text-link { display: inline-block; font-size: 13px; border-bottom: 1px solid currentColor; padding-bottom: 4px; }
.s42-text-link:hover { color: var(--s42-clay); }
/* 左侧品牌导航，与内容区各自形成纵向阅读轴。 */
.s42-rail { position: fixed; inset: 0 auto 0 0; z-index: 40; width: var(--s42-rail); padding: 30px 22px 22px; border-right: 1px solid var(--s42-line); background: var(--s42-white); display: flex; flex-direction: column; }
.s42-brand { display: flex; gap: 12px; align-items: center; flex-shrink: 0; color: var(--s42-wine); }
.s42-brand > span:last-child { min-width: 0; }
.s42-brand strong { display: block; font-size: 19px; line-height: 1.4; overflow-wrap: anywhere; }
.s42-brand small { display: block; font-size: 8px; letter-spacing: .16em; margin-top: 4px; }
.s42-mark { width: 44px; height: 48px; display: grid; place-items: center; flex-shrink: 0; background: var(--s42-wine); color: var(--s42-peach); border-radius: 22px 22px 3px 3px; font-size: 33px; line-height: 1; }
.s42-rail-body { overflow-y: auto; scrollbar-width: thin; padding-right: 3px; display: flex; flex-direction: column; flex: 1; }
.s42-rail-caption { font-size: 10px; letter-spacing: .06em; color: var(--s42-muted); margin: 26px 0 30px; }
.s42-nav, .s42-nav ul { list-style: none; padding: 0; margin: 0; }
.s42-nav > li > a { display: flex; align-items: baseline; gap: 13px; border-bottom: 1px solid var(--s42-line); padding: 11px 0; font-size: 14px; font-weight: 600; }
.s42-nav > li > a > span:first-child { font-size: 10px; color: var(--s42-muted); font-weight: 400; }
.s42-nav-arrow { margin-left: auto; font-size: 17px; opacity: .45; }
.s42-nav a:hover, .s42-nav a[aria-current="page"] { color: var(--s42-clay); }
.s42-nav a[aria-current="page"] .s42-nav-arrow { opacity: 1; }
.s42-nav ul { padding: 5px 0 7px 28px; }
.s42-nav ul a { display: block; font-size: 12px; padding: 5px 0; color: var(--s42-muted); }
.s42-rail-search { margin-top: 30px; }
.s42-rail-search label { display: block; font-size: 10px; color: var(--s42-muted); margin-bottom: 9px; }
.s42-rail-search > div { display: flex; border-bottom: 1px solid var(--s42-wine); }
.s42-rail-search input { width: 100%; min-width: 0; border: 0; background: transparent; padding: 9px 0; font-size: 11px; color: var(--s42-ink); }
.s42-rail-search button { flex: 0 0 32px; border: 0; background: transparent; color: var(--s42-wine); font-size: 20px; }
.s42-rail-note { margin-top: auto; padding-top: 38px; font-size: 10px; color: var(--s42-muted); }
.s42-status { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--s42-clay); }
.s42-rail-note a { display: block; margin-top: 8px; color: var(--s42-wine); }
.s42-menu-toggle { display: none; }
.s42-topline { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px var(--s42-gutter); border-bottom: 1px solid var(--s42-line); font-size: 10px; color: var(--s42-wine); }
.s42-topline > span { font-size: 9px; letter-spacing: .15em; }
/* 首页：双页封面、编号服务长行、错位项目图文。 */
.s42-cover { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 3.8vw, 64px); padding-block: 56px 64px; align-items: center; }
.s42-cover-copy { min-width: 0; }
.s42-cover-copy .s42-kicker { margin-bottom: 25px; font-size: 10px; letter-spacing: .08em; }
.s42-cover-copy .s42-kicker > span { font-size: 22px; vertical-align: middle; margin-right: 8px; }
.s42-cover h1 { color: var(--s42-wine); font-size: clamp(32px, 3.6vw, 60px); line-height: 1.43; letter-spacing: -.06em; }
.s42-cover h1 em { color: var(--s42-clay); }
.s42-cover-desc { max-width: 410px; color: var(--s42-muted); margin-top: 25px; font-size: 13px; line-height: 2; }
.s42-cover-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.s42-cover-note { display: flex; gap: 20px; align-items: start; padding-top: 28px; margin-top: 38px; border-top: 1px solid var(--s42-line); }
.s42-cover-note > span { font-size: 8px; letter-spacing: .08em; color: var(--s42-clay); white-space: nowrap; }
.s42-cover-note p { font-size: 11px; color: var(--s42-muted); }
.s42-cover-visual { position: relative; align-self: stretch; min-height: 530px; margin-top: 14px; }
.s42-cover-visual > img { width: 100%; height: 100%; object-fit: cover; border-radius: 48% 48% 0 0; filter: saturate(.72); }
.s42-cover-visual figcaption { position: absolute; inset: auto 0 0; display: flex; align-items: center; justify-content: space-between; gap: 15px; background: var(--s42-wine); color: var(--s42-white); padding: 18px 24px; font-size: 11px; }
.s42-cover-visual figcaption b { font-size: 26px; font-weight: 400; color: var(--s42-peach); }
.s42-seal { position: absolute; right: -18px; top: 42px; width: 100px; height: 100px; display: grid; place-content: center; border-radius: 50%; background: var(--s42-peach); color: var(--s42-wine); font-size: 13px; font-weight: 800; line-height: 1.2; letter-spacing: .04em; text-align: center; transform: rotate(12deg); border: 1px solid var(--s42-wine); box-shadow: inset 0 0 0 6px var(--s42-peach), inset 0 0 0 7px var(--s42-wine); }
.s42-ticker { display: flex; flex-wrap: wrap; justify-content: space-evenly; align-items: center; gap: 12px 22px; padding: 20px var(--s42-gutter); border-block: 1px solid var(--s42-wine); background: var(--s42-peach); color: var(--s42-wine); }
.s42-ticker span { font-size: 14px; font-weight: 600; letter-spacing: .1em; }
.s42-ticker i { font-size: 22px; font-style: normal; }
.s42-service-list { border-top: 1px solid var(--s42-line); }
.s42-service-list > a { display: grid; grid-template-columns: 34px minmax(0, 1fr) 100px 128px 24px; align-items: center; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--s42-line); transition: color .2s; }
.s42-service-list > a:hover { color: var(--s42-clay); }
.s42-service-no { align-self: start; padding-top: 8px; font: italic 20px Georgia, serif; color: var(--s42-clay); }
.s42-service-list h3 { font-size: 23px; }
.s42-service-list p { font-size: 12px; color: var(--s42-muted); margin-top: 8px; }
.s42-service-en { font-size: 10px; letter-spacing: .12em; color: var(--s42-muted); }
.s42-service-list img { width: 128px; height: 78px; object-fit: cover; filter: saturate(.7); }
.s42-service-list b { font-size: 28px; font-weight: 400; }
.s42-projects { background: #EEE3D7; border-block: 1px solid var(--s42-line); }
.s42-project-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px 48px; align-items: start; }
.s42-project-grid .s42-card:nth-child(even) { margin-top: 110px; }
.s42-card { min-width: 0; }
.s42-card-photo { position: relative; display: block; overflow: hidden; background: var(--s42-line); }
.s42-card-photo img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: saturate(.75); transition: transform .5s, filter .5s; }
.s42-card-photo:hover img { transform: scale(1.035); filter: saturate(1); }
.s42-card-photo > span { position: absolute; right: 0; bottom: 0; width: 46px; height: 46px; display: grid; place-items: center; background: var(--s42-wine); color: var(--s42-white); font-size: 27px; }
.s42-project-grid .s42-card:nth-child(even) .s42-card-photo img { aspect-ratio: 1/1; }
.s42-card-copy { padding-top: 17px; }
.s42-card-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--s42-muted); font-size: 10px; }
.s42-card-meta > span { color: var(--s42-clay); }
.s42-card h3 { font-size: 20px; margin-top: 10px; line-height: 1.55; }
.s42-card h3 a:hover { color: var(--s42-clay); }
.s42-card-copy > p { color: var(--s42-muted); font-size: 12px; line-height: 1.9; margin-top: 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.s42-statement { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.s42-statement h2 { font-size: clamp(28px, 2.9vw, 42px); line-height: 1.6; color: var(--s42-wine); margin-top: 18px; }
.s42-statement h2 em { color: var(--s42-clay); }
.s42-statement > div > p:not(.s42-kicker) { font-size: 13px; color: var(--s42-muted); margin-top: 20px; }
.s42-statement .s42-text-link { margin-top: 25px; }
.s42-steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--s42-line); }
.s42-steps li { display: grid; grid-template-columns: 110px 1fr; column-gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--s42-line); }
.s42-steps span { font-size: 9px; color: var(--s42-clay); padding-top: 4px; }
.s42-steps h3 { font-size: 17px; }
.s42-steps p { grid-column: 2; font-size: 11px; color: var(--s42-muted); margin-top: 6px; }
.s42-journal { border-top: 1px solid var(--s42-line); }
.s42-journal-grid { display: grid; grid-template-columns: .75fr 1fr; gap: 50px; }
.s42-journal-grid > figure { position: relative; }
.s42-journal-grid > figure img { width: 100%; aspect-ratio: 4/5; max-height: 530px; object-fit: cover; filter: saturate(.7); }
.s42-journal-grid figcaption { position: absolute; inset: auto 20px 20px; background: var(--s42-paper); color: var(--s42-wine); padding: 13px 16px; font-size: 11px; }
.s42-reading-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--s42-line); }
.s42-reading-list li { display: grid; grid-template-columns: 27px 1fr auto; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--s42-line); padding: 23px 0; }
.s42-reading-list li > span { color: var(--s42-clay); font-size: 11px; }
.s42-reading-list a { font-size: 16px; font-weight: 600; line-height: 1.65; overflow-wrap: anywhere; }
.s42-reading-list a:hover { color: var(--s42-clay); }
.s42-reading-list time { font-size: 10px; color: var(--s42-muted); }
.s42-minor-title { font-size: 13px; margin: 28px 0 14px; }
.s42-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.s42-tag { display: inline-flex; gap: 14px; align-items: center; padding: 8px 14px; border: 1px solid var(--s42-line); font-size: 12px; color: var(--s42-wine); }
.s42-tag:hover { background: var(--s42-wine); color: var(--s42-white); border-color: var(--s42-wine); }
.s42-contact-band { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 38px; background: var(--s42-peach); margin-bottom: 72px; color: var(--s42-wine); }
.s42-contact-band .s42-kicker { color: var(--s42-wine); }
.s42-contact-band h2 { font-size: 24px; margin-top: 10px; }
.s42-contact-band .s42-button { flex-shrink: 0; }
.s42-empty { padding: 60px 24px; text-align: center; border: 1px dashed var(--s42-line); background: var(--s42-white); }
.s42-empty h2, .s42-empty h3 { font-size: 21px; color: var(--s42-wine); }
.s42-empty p { color: var(--s42-muted); margin-block: 13px 20px; }
/* 页尾用大字号宣言收束，避免传统多栏链接堆叠。 */
.s42-footer { padding: 65px var(--s42-gutter) 24px; background: var(--s42-wine); color: var(--s42-paper); }
.s42-footer-invite { position: relative; padding-right: 120px; }
.s42-footer-invite .s42-kicker { color: var(--s42-peach); }
.s42-footer-invite h2 { font-size: clamp(28px, 3vw, 46px); line-height: 1.6; margin-top: 15px; }
.s42-round-link { position: absolute; right: 0; top: 25px; display: grid; place-items: center; width: 95px; height: 95px; border: 1px solid var(--s42-peach); color: var(--s42-peach); border-radius: 50%; font-size: 47px; transition: color .2s, background .2s; }
.s42-round-link:hover { background: var(--s42-peach); color: var(--s42-wine); }
.s42-footer-nav { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 32px; font-size: 12px; }
.s42-footer-nav a:hover { color: var(--s42-peach); }
.s42-wordmark { font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(36px, 7.35vw, 130px); font-weight: 800; letter-spacing: -.025em; white-space: nowrap; line-height: 1.15; color: var(--s42-peach); margin-block: 45px 30px; }
.s42-copyright { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 9px 20px; padding-top: 20px; border-top: 1px solid #965C6A; font-size: 10px; color: #E2C2BF; }
.s42-top { position: fixed; bottom: 22px; right: 22px; z-index: 30; border: 1px solid var(--s42-paper); background: var(--s42-wine); color: var(--s42-white); width: 44px; height: 44px; font-size: 24px; }
@media (min-width: 1800px) {
    :root { --s42-rail: 280px; }
    .s42-rail { padding: 40px 30px 25px; }
    .s42-cover-visual { min-height: 680px; }
    .s42-cover h1 { font-size: 64px; }
}
@media (max-width: 1200px) {
    :root { --s42-rail: 214px; --s42-gutter: 32px; }
    .s42-rail { padding-inline: 17px; }
    .s42-brand strong { font-size: 16px; }
    .s42-brand { gap: 9px; }
    .s42-cover { gap: 28px; }
    .s42-cover h1 { font-size: 35px; }
    .s42-cover-visual { min-height: 500px; }
    .s42-cover-note { display: block; }
    .s42-cover-note p { margin-top: 8px; }
    .s42-seal { width: 80px; height: 80px; font-size: 11px; right: -12px; }
    .s42-section-head { grid-template-columns: .65fr 1.7fr 1fr; gap: 20px; }
    .s42-service-list > a { grid-template-columns: 26px minmax(0, 1fr) 105px 20px; gap: 18px; }
    .s42-service-en { display: none; }
    .s42-service-list img { width: 105px; height: 70px; }
    .s42-service-list h3 { font-size: 20px; }
    .s42-statement { gap: 35px; }
    .s42-steps li { grid-template-columns: 85px 1fr; gap: 8px 12px; }
    .s42-journal-grid, .s42-project-grid { gap: 30px; }
    .s42-reading-list a { font-size: 14px; }
    .s42-wordmark { font-size: 6.7vw; }
}
@media (max-width: 960px) {
    :root { --s42-gutter: 32px; }
    html { scroll-padding-top: 95px; }
    .s42-rail { position: static; inset: 0 0 auto; width: 100%; min-height: 76px; padding: 15px var(--s42-gutter); flex-direction: row; justify-content: space-between; align-items: center; border-right: 0; border-bottom: 1px solid var(--s42-line); flex-wrap: wrap; }
    .s42-enhanced .s42-rail { position: sticky; }
    .s42-brand strong { font-size: 18px; }
    .s42-mark { width: 36px; height: 41px; font-size: 28px; }
    .s42-rail-body { width: 100%; flex-basis: 100%; max-height: none; padding-right: 0; }
    .s42-rail-caption { margin: 14px 0; }
    .s42-rail-note { padding-top: 20px; }
    .s42-rail-search { margin-top: 18px; }
    .s42-rail-search input { font-size: 16px; }
    .s42-rail-search label { font-size: 12px; }
    .s42-enhanced .s42-menu-toggle { display: inline-flex; gap: 12px; align-items: center; border: 1px solid var(--s42-line); padding: 8px 14px; background: transparent; color: var(--s42-wine); font-size: 12px; }
    .s42-enhanced .s42-rail-body { display: none; }
    .s42-enhanced .s42-rail.is-open .s42-rail-body { display: flex; max-height: calc(100dvh - 100px); overflow-y: auto; padding-bottom: 16px; }
    .s42-shell { margin-left: 0; }
    .s42-topline { padding-block: 12px; }
    .s42-cover h1 { font-size: clamp(34px, 4.8vw, 48px); }
    .s42-cover { padding-block: 40px 48px; }
    .s42-cover-note { display: flex; }
    .s42-cover-note p { margin-top: 0; }
    .s42-cover-visual { min-height: 510px; }
    .s42-section { padding-block: 60px; }
    .s42-wordmark { font-size: 9vw; }
    .s42-contact-band { margin-bottom: 56px; }
}
@media (max-width: 640px) {
    :root { --s42-gutter: 22px; }
    body { font-size: 14px; }
    .s42-topline > span { font-size: 8px; letter-spacing: .07em; }
    .s42-topline > a { font-size: 9px; }
    .s42-brand { max-width: calc(100% - 85px); }
    .s42-brand strong { max-width: 215px; font-size: 16px; }
    .s42-cover { grid-template-columns: 1fr; gap: 30px; padding-top: 32px; }
    .s42-cover h1 { font-size: clamp(35px, 8.7vw, 52px); line-height: 1.4; }
    .s42-cover-copy .s42-kicker { margin-bottom: 16px; }
    .s42-cover-desc { margin-top: 20px; font-size: 13px; max-width: 100%; }
    .s42-cover-note { display: none; }
    .s42-cover-actions { margin-top: 24px; }
    .s42-cover-visual { min-height: 0; height: 390px; margin: 0; }
    .s42-cover-visual > img { border-radius: 46% 46% 0 0; }
    .s42-seal { top: 26px; right: 6px; }
    .s42-ticker { justify-content: center; gap: 10px; padding: 16px 14px; }
    .s42-ticker span { font-size: 10px; letter-spacing: 0; }
    .s42-ticker i { font-size: 14px; }
    .s42-section { padding-block: 46px; }
    .s42-section-head { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 27px; }
    .s42-section-head > .s42-kicker { width: 100%; padding: 0; }
    .s42-section-head h2 { font-size: 28px; flex: 1 1 65%; }
    .s42-section-head > p:not(.s42-kicker), .s42-section-head > a { font-size: 11px; }
    .s42-section-head > a { margin-left: auto; }
    .s42-service-list > a { grid-template-columns: 22px 1fr 22px; gap: 12px; padding: 23px 0; }
    .s42-service-list img { display: none; }
    .s42-service-list h3 { font-size: 19px; }
    .s42-service-list p { font-size: 11px; }
    .s42-service-no { font-size: 17px; padding-top: 3px; }
    .s42-project-grid { grid-template-columns: 1fr; gap: 32px; }
    .s42-project-grid .s42-card:nth-child(even) { margin-top: 0; }
    .s42-project-grid .s42-card:nth-child(even) .s42-card-photo img { aspect-ratio: 4/3; }
    .s42-card h3 { font-size: 20px; }
    .s42-statement { grid-template-columns: 1fr; gap: 30px; }
    .s42-statement h2 { font-size: 28px; }
    .s42-steps li { grid-template-columns: 100px 1fr; }
    .s42-journal-grid { grid-template-columns: 1fr; gap: 28px; }
    .s42-journal-grid > figure img { aspect-ratio: 4/3; max-height: 320px; }
    .s42-reading-list li { gap: 10px; padding: 20px 0; grid-template-columns: 22px 1fr auto; }
    .s42-reading-list a { font-size: 14px; }
    .s42-contact-band { display: block; padding: 26px 22px; margin-bottom: 44px; }
    .s42-contact-band h2 { font-size: 22px; }
    .s42-contact-band .s42-button { margin-top: 22px; }
    .s42-footer { padding-top: 42px; }
    .s42-footer-invite { padding-right: 60px; }
    .s42-footer-invite h2 { font-size: 26px; }
    .s42-round-link { width: 51px; height: 51px; font-size: 29px; top: 44px; }
    .s42-footer-nav { gap: 20px; font-size: 11px; }
    .s42-wordmark { margin-block: 33px 23px; font-size: 8.5vw; }
    .s42-copyright { display: grid; font-size: 9px; }
    .s42-top { bottom: 15px; right: 15px; width: 40px; height: 40px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
    .s42-rail, .s42-topline, .s42-footer, .s42-top, .s42-skip, .s42-contact-band { display: none !important; }
    .s42-shell { margin: 0; }
    .s42-wrap { padding-inline: 0; }
    body { background: white; color: black; }
    a { text-decoration: underline; }
}