/* 全站结构层：统一导航、详情层级和阅读节奏；功能演示保留各自的渲染样式。 */
:root { --content-width: 1320px; --nav-height: 78px; }
html { scroll-padding-top: 110px; }
.section-shell { max-width: var(--content-width); padding-inline: 56px; }
.site-header { height: var(--nav-height); max-width: var(--content-width); padding: 0 56px; gap: 28px; z-index: 30; }
.site-header .brand { font-size: 24px; gap: 8px; }
.desktop-nav { display: flex; align-items: center; gap: 30px; margin: 0 0 0 auto; }
.desktop-nav a, .feature-menu summary { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); white-space: nowrap; }
.desktop-nav svg { width: 14px; height: 14px; }
.desktop-nav [aria-current=page], .feature-menu .current-section { color: var(--ink); font-weight: 800; }
.header-cta { white-space: nowrap; gap: 12px; color: var(--ink); background: transparent; font-size: 13px; }
.header-cta svg { width: 15px; height: 15px; }
.feature-menu summary, .mobile-menu summary { cursor: pointer; list-style: none; min-height: 44px; }
.feature-menu summary::-webkit-details-marker, .mobile-menu summary::-webkit-details-marker { display: none; }
.feature-menu summary::marker, .mobile-menu summary::marker { content: ''; }
.feature-menu[open] summary svg { transform: rotate(180deg); }
.feature-dropdown { position: absolute; top: 66px; right: 180px; width: 560px; padding: 16px; background: #fcfbf8; border: 1px solid var(--line); box-shadow: 0 18px 50px #20272316; border-radius: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.feature-dropdown a { display: flex; flex-direction: column; align-items: flex-start; padding: 20px; gap: 7px; border-radius: 7px; color: var(--ink); }
.feature-dropdown a:hover, .feature-dropdown a[aria-current] { background: #eeeee7; }
.feature-dropdown small { color: var(--muted); font-size: 12px; font-weight: 400; }
.mobile-menu { display: none; }
.detail-hero { padding-block: 66px 58px; }
.detail-hero h1 { font-size: clamp(42px, 5.7vw, 76px); line-height: 1.15; letter-spacing: -2px; margin: 0 0 25px; white-space: normal; font-weight: 650; }
.detail-hero p { color: var(--muted); font-size: 18px; line-height: 1.9; max-width: 700px; margin: 0; }
.button { gap: 10px; white-space: nowrap; }
.text-button { gap: 9px; display: inline-flex; align-items: center; white-space: nowrap; }
.text-button svg { width: 17px; height: 17px; }
/* 首页以四项能力的切换示意建立产品整体印象。 */
.home-hero { display: grid; grid-template-columns: 1fr 1.08fr; gap: 54px; align-items: center; padding-block: 86px 94px; }
.home-intro h1 { margin: 0 0 26px; font-size: clamp(37px, 3.4vw, 53px); line-height: 1.28; white-space: nowrap; letter-spacing: -1.8px; }
.home-intro h1 > span { display: block; font-size: 22px; font-weight: 450; letter-spacing: 0; margin-bottom: 15px; }
.home-intro h1 strong { font-size: clamp(60px, 5.8vw, 88px); color: var(--orange); font-weight: 700; letter-spacing: -5px; margin-left: 5px; }
.home-intro > p { max-width: 430px; font-size: 17px; line-height: 1.9; color: var(--muted); }
.home-intro .hero-actions { margin-block: 32px 22px; gap: 24px; }
.home-intro .compatibility { font-size: 11px; letter-spacing: 0; }
.toolbox-preview { min-width: 0; background: #eeeee6; border: 1px solid #d8dacf; border-radius: 14px; box-shadow: 0 28px 60px -36px #23342668; transform: rotate(-1.3deg); }
.toolbox-bar { display: flex; gap: 9px; align-items: center; border-bottom: 1px solid #d8dacf; padding: 17px 20px; font-size: 14px; }
.toolbox-bar > span { margin-left: auto; font-size: 10px; color: var(--muted); }
.toolbox-body { display: grid; grid-template-columns: 108px minmax(0,1fr); min-height: 330px; }
.toolbox-tabs { padding: 28px 10px; display: flex; flex-direction: column; gap: 9px; border-right: 1px solid #d8dacf; }
.toolbox-tabs button { display: flex; align-items: center; gap: 8px; border-radius: 6px; padding: 12px 8px; font-size: 12px; color: #5a625a; text-align: left; }
.toolbox-tabs svg { width: 16px; height: 16px; }
.toolbox-tabs button[aria-selected=true] { background: #dfe2d6; color: #222725; font-weight: 700; }
.toolbox-tabs button:hover { background: #e4e5dc; }
.toolbox-panels { min-width: 0; padding: 22px 25px 28px; }
.toolbox-panels h2 { font-size: 19px; font-weight: 650; margin: 19px 0 11px; letter-spacing: -.5px; }
.toolbox-panels p { font-size: 12px; line-height: 1.9; color: #687062; margin: 0 0 18px; min-height: 46px; }
.toolbox-panels a { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; }
.toolbox-panels a svg { width: 15px; height: 15px; }
.overview-art { height: 140px; position: relative; }
.file-art { display: flex; align-items: center; justify-content: center; gap: 15px; }
.overview-folder > svg { width: 86px; height: 86px; stroke: #82a1a4; fill: #c0d7d6; stroke-width: .8; }
.overview-document { background: #faf9f5; display: grid; place-items: center; padding: 15px; border-radius: 7px; transform: rotate(8deg); border: 1px solid #d5d8cb; }
.overview-document svg { width: 34px; height: 34px; color: #879479; }
.overview-document b { font-size: 9px; margin-top: 9px; font-weight: 500; }
.overview-action { position: absolute; bottom: 0; left: 12px; display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: #fffefa; box-shadow: 0 8px 18px #28342a12; border-radius: 6px; font-size: 12px; }
.overview-action svg { width: 15px; height: 15px; color: var(--orange); }
.window-art { border-radius: 7px; background: #576951; display: flex; padding: 9px; align-items: center; gap: 10px; }
.mini-stage-stack { width: 15%; display: grid; gap: 15px; }
.mini-stage-stack b { height: 36px; border: 2px solid #b6c4a3; border-radius: 5px; }
.mini-stage-window { flex: 1; height: 100%; border-radius: 4px; background: #eaeee0; display: grid; align-content: center; justify-items: center; gap: 8px; }
.mini-stage-window b { font-size: 13px; font-weight: 500; }
.mini-stage-window small { font-size: 11px; color: #64705a; }
.mouse-art { display: flex; align-items: center; justify-content: center; gap: 25px; }
.mouse-art > svg { width: 64px; height: 90px; color: #849273; stroke-width: .9; }
.mouse-art > span { display: grid; grid-template-columns: auto; gap: 6px; }
.mouse-art b { font-size: 12px; font-weight: 500; }
.mouse-art small { font-size: 10px; color: #7b8671; margin-bottom: 8px; }
.wallpaper-art { display: flex; align-items: center; padding: 10px; gap: 10px; }
.mini-display { width: 68%; height: 106px; border: 4px solid #5d6657; border-radius: 6px; position: relative; background: linear-gradient(30deg,#425e65,#91b0a2 45%,#e0bf91); }
.mini-display::after { position: absolute; content: ''; width: 45%; height: 4px; background: #85907d; bottom: -15px; left: 28%; }
.mini-laptop { width: 44%; height: 73px; margin-top: 34px; background: linear-gradient(140deg,#e1a775,#d9cfc0,#71968e); }
.feature-directory { padding-block: 30px 70px; }
.directory-heading { margin-bottom: 42px; }
.directory-heading h2, .home-support h2, .chapter-heading h2, .guide-section h2, .detail-notes h2 { font-size: 34px; font-weight: 600; margin: 0 0 16px; letter-spacing: -.8px; }
.directory-heading p, .home-support p, .chapter-heading p { color: var(--muted); line-height: 1.8; font-size: 15px; margin: 0; }
.directory-row { display: grid; grid-template-columns: 285px 1fr 110px; align-items: center; gap: 36px; padding: 30px 0; border-top: 1px solid var(--line); transition: padding .2s, background .2s; }
.directory-row:hover { padding-inline: 12px; background: #eeeee6; }
.directory-name { display: flex; align-items: center; gap: 18px; }
.directory-name svg { width: 28px; height: 28px; color: #67765f; }
.directory-name h3 { font-size: 24px; font-weight: 500; margin: 0; letter-spacing: -.6px; }
.directory-row p { font-size: 14px; line-height: 1.8; color: var(--muted); margin: 0; }
.directory-row > span { display: flex; align-items: center; gap: 12px; font-size: 12px; }
.directory-row > span svg { width: 18px; height: 18px; }
.home-support { display: flex; gap: 40px; align-items: center; justify-content: space-between; padding-block: 40px 85px; }
.home-support h2 { font-size: 28px; }
.home-support p { max-width: 630px; }
.home-support > a { display: flex; gap: 20px; align-items: center; flex: none; font-size: 14px; }
.home-page .origin-section { padding-block: 65px; border-top: 1px solid var(--line); border-bottom: 0; margin-bottom: 60px; gap: 70px; }
.origin-copy h2 { font-size: 32px; }
.origin-still { max-width: 350px; }
.origin-still img { border-radius: 8px; }
/* 四个详情页共享同一导航、标题和下一步；功能演示居于正文。 */
.finder-page-demo { padding-top: 0; }
.finder-more { padding-block: 65px; }
.finder-more-heading .section-number { display: none; }
.finder-setup { padding-block: 60px; }
.finder-setup-heading > .section-number { display: none; }
.window-section { background: transparent; color: var(--ink); padding-top: 10px; }
.window-copy h2 { font-size: 28px; margin-top: 0; line-height: 1.5; }
.window-copy > p, .window-details dd, .feature-footnote { color: var(--muted); }
.window-details > div { border-color: var(--line); }
.layout-controls button { color: var(--ink); border-color: #d2d6ca; }
.layout-controls button:hover { border-color: #758966; }
.layout-controls button[aria-pressed=true] { background: #e0e7d5; border-color: #a5b696; }
.layout-demo { color: #f6f5ed; box-shadow: 0 24px 50px -30px #0a130e4d; }
.mouse-section { padding-top: 10px; padding-bottom: 65px; gap: 70px; }
.mouse-text h2 { font-size: 28px; margin-top: 0; }
.detail-notes { padding-block: 45px 70px; }
.note-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 32px; }
.note-columns h3, .guide-steps h3 { font-size: 18px; font-weight: 600; }
.note-columns p, .guide-section p, .feature-definitions dd { color: var(--muted); font-size: 15px; line-height: 1.9; }
.page-caveat { font-size: 13px; color: var(--muted); line-height: 1.9; padding-left: 18px; border-left: 2px solid #c4cbba; margin-top: 38px; max-width: 860px; }
.chapter-nav { display: flex; gap: 25px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid var(--line); font-size: 14px; }
.chapter-nav a { padding: 6px 0; }
.chapter-nav a:hover, .entry-table a:hover { color: var(--orange); }
.wallpaper-desktop { padding-block: 55px 65px; }
.screen-demo { border-radius: 12px; background: #e8ebe2; margin-top: 35px; padding: 25px 35px; }
.screen-demo-top, .screen-demo-bottom { display: flex; justify-content: space-between; gap: 15px; align-items: center; color: #606c59; font-size: 12px; }
.screen-demo-top > span:last-child { font-size: 11px; }
.screen-pair { display: flex; align-items: flex-end; justify-content: center; gap: 45px; padding: 50px 0; }
.monitor { padding: 0; width: 48%; max-width: 480px; border-radius: 8px; }
.monitor-surface { display: block; aspect-ratio: 16/9; border: 8px solid #495047; border-radius: 9px; padding: 2px; background: #495047; box-shadow: 0 15px 24px -18px #25312d; }
.landscape-layer { display: block; width: 100%; height: 100%; background: linear-gradient(156deg,#e6b575 0%,#dfba93 30%,#989e96 55%,#647b7d 57%,#3d595f 85%); border-radius: 2px; }
.monitor[data-scenery=forest] .landscape-layer { background: linear-gradient(140deg,#ccceb3,#a2b296 40%,#5b7d66 41%,#2e534b 70%,#163c3e); }
.monitor[data-scenery=coast] .landscape-layer { background: linear-gradient(150deg,#c1d4d8,#96bac6 45%,#397c90 46%,#226174 65%,#ceb992 66%,#ede0c0); }
.monitor.selected .monitor-surface { outline: 2px solid var(--orange); outline-offset: 5px; }
.monitor b { font-weight: 500; font-size: 13px; display: block; padding-top: 20px; color: #5f6b57; }
.monitor.selected b { color: var(--ink); }
.monitor-stand { display: block; width: 25%; height: 30px; background: linear-gradient(90deg,#a4afa0,#c6cfc0,#a4afa0); margin: auto; clip-path: polygon(30% 0,70% 0,75% 80%,100% 88%,100% 100%,0 100%,0 88%,25% 80%); }
.monitor.laptop { width: 32%; max-width: 310px; }
.laptop-base { height: 8px; background: #a3af9a; display: block; margin-inline: -8px; border-radius: 2px 2px 9px 9px; }
.screen-swatches { display: flex; gap: 8px; }
.screen-swatches button { border: 1px solid #c4cebb; border-radius: 5px; padding: 9px 14px; white-space: nowrap; font-size: 12px; }
.screen-swatches [aria-pressed=true] { background: #fcfcf7; color: var(--ink); border-color: #819472; }
.wallpaper-desktop .wallpaper-features { grid-template-columns: repeat(2,1fr); gap: 35px 70px; }
.aura-section { background: transparent; border-top: 1px solid var(--line); border-bottom: 0; padding-top: 15px; }
.aura-section .wallpaper-features { grid-template-columns: repeat(2,1fr); }
.guide-section { padding-block: 52px; border-bottom: 1px solid var(--line); }
.guide-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 48px; padding: 0; margin: 30px 0 0; counter-reset: steps; list-style: none; }
.guide-steps li { counter-increment: steps; }
.guide-steps li::before { content: counter(steps, decimal-leading-zero); font-family: Manrope,sans-serif; font-size: 26px; color: #9b7055; }
.guide-section a { text-decoration: underline; text-underline-offset: 4px; }
.feature-definitions { margin: 32px 0 0; }
.feature-definitions > div { display: grid; grid-template-columns: 185px 1fr; gap: 35px; margin-bottom: 27px; }
.feature-definitions dt { font-weight: 600; font-size: 16px; padding-top: 3px; }
.feature-definitions dd { margin: 0; max-width: 760px; }
.entry-table { margin-top: 30px; }
.entry-table > div { display: grid; grid-template-columns: 130px 1fr 100px; gap: 30px; padding-block: 18px; align-items: baseline; }
.entry-table p { margin: 0; }
.entry-table strong { font-size: 16px; font-weight: 600; }
.entry-table a { font-size: 12px; display: flex; gap: 8px; text-decoration: none; align-items: center; }
.entry-table a svg { width: 16px; height: 16px; }
.guide-page .utilities-section { padding-block: 65px 0; }
.guide-page .utilities-section article { scroll-margin-top: 30px; }
.guide-page .faq-section { padding-block: 75px; }
/* 页脚也使用完整的功能树，各页面提供一致的返回路径。 */
.site-footer { display: grid; grid-template-columns: 1.6fr 1fr 1fr; align-items: start; gap: 45px; padding-block: 48px 24px; border-top: 1px solid var(--line); }
.footer-brand p { font-size: 13px; color: var(--muted); margin-top: 15px; }
.site-footer nav { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; font-size: 13px; }
.site-footer nav strong { font-size: 12px; color: var(--muted); font-weight: 500; margin-bottom: 7px; }
.site-footer nav a:hover { color: var(--orange); }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; padding-top: 12px; color: var(--muted); font-size: 11px; }
.download-main { padding-top: 65px; }
@media (max-width:1100px) {
 .section-shell, .site-header { padding-inline: 35px; }
 .desktop-nav { gap: 22px; }
 .home-hero { gap: 28px; }
 .home-intro h1 { font-size: 34px; letter-spacing: -1px; }
 .home-intro h1 strong { font-size: 64px; letter-spacing: -3px; }
 .toolbox-body { grid-template-columns: 88px minmax(0,1fr); }
 .toolbox-tabs { padding-inline: 7px; }
 .toolbox-tabs button { gap: 5px; padding-inline: 6px; }
 .toolbox-panels { padding-inline: 18px; }
 .toolbox-panels h2 { font-size: 17px; }
 .directory-row { grid-template-columns: 220px 1fr 95px; gap: 22px; }
 .directory-name h3 { font-size: 22px; }
 .feature-dropdown { right: 160px; }
}
@media (max-width:900px) {
 .home-hero { grid-template-columns: 1fr; padding-top: 50px; gap: 50px; }
 .home-intro > p { max-width: 520px; }
 .toolbox-preview { max-width: 630px; width: 100%; margin: auto; transform: none; }
 .toolbox-body { grid-template-columns: 130px minmax(0,1fr); }
 .toolbox-tabs { padding-inline: 15px; }
 .toolbox-panels { padding-inline: 35px; }
 .home-intro h1 { font-size: 48px; }
 .home-intro h1 strong { font-size: 76px; }
 .directory-row { grid-template-columns: 190px 1fr 24px; }
 .directory-row > span { font-size: 0; gap: 0; }
 .home-support { flex-direction: column; align-items: flex-start; gap: 24px; }
 .guide-steps { gap: 28px; }
}
@media (max-width:760px) {
 :root { --nav-height: 72px; }
 .section-shell, .site-header { padding-inline: 24px; }
 .site-header { gap: 16px; }
 .site-header .brand { font-size: 21px; }
 .site-header .brand img { width: 27px; height: 27px; }
 .desktop-nav { display: none; }
 .header-cta { margin-left: auto; font-size: 12px; padding: 9px 12px; gap: 8px; }
 .header-cta svg { display: none; }
 .mobile-menu { display: block; }
 .mobile-menu > summary { display: flex; align-items: center; gap: 6px; justify-content: center; }
 .mobile-menu > summary > span { font-size: 12px; }
 .mobile-menu > summary svg { width: 18px; height: 18px; }
 .mobile-menu[open] > summary { color: var(--orange); }
 .mobile-menu > nav { position: absolute; left: 0; top: 71px; right: 0; background: #fcfbf8; border-bottom: 1px solid var(--line); padding: 16px 24px 22px; max-height: calc(100dvh - 85px); overflow-y: auto; box-shadow: 0 22px 30px #20272312; }
 .mobile-menu nav a { display: flex; align-items: center; justify-content: space-between; min-height: 42px; font-size: 14px; padding: 7px 0; }
 .mobile-menu nav a[aria-current] { color: #a94b24; font-weight: 700; }
 .mobile-menu nav small { color: var(--muted); font-size: 10px; font-weight: 400; }
 .mobile-menu nav svg { width: 15px; height: 15px; }
 .mobile-feature-group { border-block: 1px solid var(--line); margin-block: 7px; padding-block: 12px; }
 .mobile-feature-group > span { font-size: 11px; color: var(--muted); }
 .detail-hero { padding-block: 43px 36px; }
 .detail-hero h1 { font-size: 44px; margin-bottom: 18px; }
 .detail-hero p { font-size: 15px; }
 .home-hero { padding-block: 48px 65px; }
 .home-intro h1 { font-size: 35px; }
 .home-intro h1 > span { font-size: 19px; }
 .home-intro h1 strong { font-size: 66px; }
 .home-intro > p { font-size: 15px; }
 .home-intro .hero-actions { gap: 17px; margin-top: 27px; }
 .home-intro .button { padding: 13px 16px; font-size: 13px; }
 .home-intro .text-button { font-size: 13px; }
 .toolbox-body { grid-template-columns: 85px minmax(0,1fr); }
 .toolbox-tabs { padding-inline: 7px; }
 .toolbox-tabs button { font-size: 11px; }
 .toolbox-panels { padding: 20px 16px 24px; }
 .toolbox-panels h2 { font-size: 16px; }
 .overview-art { height: 132px; }
 .overview-folder > svg { width: 62px; height: 62px; }
 .overview-document { padding: 11px; }
 .overview-document svg { width: 26px; height: 26px; }
 .overview-action { left: 0; font-size: 11px; }
 .mouse-art { gap: 14px; }
 .mouse-art > svg { width: 40px; }
 .wallpaper-art { gap: 5px; padding: 0; }
 .mini-display { height: 83px; }
 .mini-laptop { height: 57px; }
 .directory-heading { margin-bottom: 26px; }
 .directory-heading h2, .chapter-heading h2, .guide-section h2, .detail-notes h2 { font-size: 28px; }
 .directory-row { grid-template-columns: 1fr auto; gap: 14px; padding-block: 25px; }
 .directory-name { gap: 12px; }
 .directory-name h3 { font-size: 23px; }
 .directory-name svg { width: 24px; height: 24px; }
 .directory-row p { grid-row: 2; grid-column: 1 / -1; font-size: 13px; }
 .directory-row > span { grid-row: 1; grid-column: 2; }
 .feature-directory { padding-bottom: 30px; }
 .home-support { padding-block: 35px 50px; }
 .home-support h2 { font-size: 25px; }
 .home-page .origin-section { padding-block: 45px; margin-bottom: 30px; gap: 28px; }
 .home-page .origin-copy h2 { font-size: 28px; }
 .origin-still { max-width: 310px; }
 .window-section { padding-top: 0; padding-bottom: 20px; }
 .window-copy h2, .mouse-text h2 { font-size: 25px; }
 .window-inner, .mouse-section { gap: 30px; }
 .mouse-section { padding-top: 0; padding-bottom: 30px; }
 .note-columns { grid-template-columns: 1fr; gap: 10px; }
 .detail-notes { padding-block: 30px 45px; }
 .feature-definitions > div { grid-template-columns: 1fr; gap: 8px; margin-bottom: 26px; }
 .chapter-nav { gap: 8px 20px; padding-bottom: 20px; font-size: 12px; }
 .wallpaper-desktop { padding-block: 35px 40px; }
 .screen-demo { padding: 20px 16px; margin-top: 25px; }
 .screen-demo-top { flex-direction: column; align-items: flex-start; gap: 8px; }
 .screen-pair { gap: 14px; padding-block: 35px; }
 .monitor { width: 57%; }
 .monitor.laptop { width: 37%; }
 .monitor-surface { border-width: 4px; border-radius: 5px; }
 .monitor b { font-size: 10px; padding-top: 14px; }
 .monitor-stand { height: 19px; }
 .laptop-base { height: 5px; margin-inline: -4px; }
 .screen-demo-bottom { display: block; }
 .screen-demo-bottom p { font-size: 11px; line-height: 1.8; }
 .screen-swatches { margin-top: 15px; }
 .wallpaper-desktop .wallpaper-features, .aura-section .wallpaper-features { grid-template-columns: 1fr; gap: 20px; }
 .aura-section { padding-block: 10px 35px; }
 .aura-heading h2 { font-size: 28px; }
 .guide-section { padding-block: 35px; }
 .guide-steps { grid-template-columns: 1fr; gap: 25px; }
 .guide-steps h3 { margin-top: 12px; }
 .entry-table > div { grid-template-columns: 1fr; gap: 10px; margin-bottom: 13px; }
 .guide-page .utilities-section { padding-block: 40px 0; }
 .guide-page .faq-section { padding-block: 40px; }
 .site-footer { grid-template-columns: 1fr 1fr; gap: 30px; padding-top: 35px; }
 .footer-brand { grid-column: 1 / -1; }
 .site-footer .footer-brand p { margin-top: 12px; }
 .site-footer nav { gap: 15px; font-size: 12px; }
 .download-main { padding-top: 40px; }
}
@media (max-width:360px) {
 .section-shell, .site-header { padding-inline: 18px; }
 .site-header { gap: 12px; }
 .site-header .brand { font-size: 19px; }
 .header-cta { font-size: 11px; padding: 8px 10px; }
 .mobile-menu > summary svg { display: none; }
 .home-intro h1 { font-size: 30px; }
 .home-intro h1 strong { font-size: 57px; }
 .home-intro .hero-actions { gap: 12px; }
 .home-intro .text-button { gap: 4px; font-size: 12px; }
 .toolbox-body { grid-template-columns: 71px minmax(0,1fr); }
 .toolbox-tabs button { flex-direction: column; gap: 6px; padding-block: 10px; }
 .toolbox-panels { padding-inline: 12px; }
 .toolbox-panels h2 { font-size: 14px; }
 .toolbox-panels p { font-size: 11px; }
 .toolbox-panels a { font-size: 10px; gap: 3px; }
 .toolbox-bar { padding-inline: 14px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .directory-row, .toolbox-preview, .feature-menu summary svg { transition: none; }
}

/* 首页完整功能介绍：目录停留在阅读区域顶部，正文与演示按模块连续展开。 */
.home-features > .directory-heading { padding-top: 20px; margin-bottom: 30px; }
.feature-jump-bar { position: sticky; top: 0; z-index: 15; background: var(--paper); border-block: 1px solid var(--line); }
.feature-jump-bar > div { display: flex; gap: 42px; align-items: center; min-height: 64px; }
.feature-jump-bar a { position: relative; padding: 22px 0; font-size: 14px; color: var(--muted); white-space: nowrap; }
.feature-jump-bar a[aria-current=location] { color: var(--ink); font-weight: 700; }
.feature-jump-bar a[aria-current=location]::after { content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 3px; background: var(--orange); }
.home-feature { scroll-margin-top: 0; padding-bottom: 55px; }
.home-feature + .home-feature { border-top: 1px solid var(--line); }
.feature-intro { padding-block: 60px 38px; }
.feature-intro h2 { font-size: clamp(34px, 4vw, 52px); font-weight: 600; letter-spacing: -1.5px; line-height: 1.25; margin: 0 0 18px; }
.feature-intro p { max-width: 770px; font-size: 17px; color: var(--muted); line-height: 1.9; margin: 0; }
.feature-subtitle { font-size: 28px; font-weight: 500; line-height: 1.5; letter-spacing: -.5px; margin: 0 0 20px; }
.finder-more { padding-block: 40px; }
.feature-use-note > p { color: var(--muted); line-height: 1.85; font-size: 13px; max-width: 850px; }
.feature-use-note > a, .home-utilities a { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; margin-top: 12px; }
.feature-use-note svg, .home-utilities svg { width: 16px; height: 16px; }
.feature-use-note .finder-limit { padding: 0; margin: 18px 0; border: 0; }
.home-feature .detail-notes { padding-block: 25px 0; }
.home-feature .window-section { padding-bottom: 30px; }
.home-feature .chapter-nav { padding-top: 0; }
.home-feature .wallpaper-desktop { padding-top: 38px; }
.home-feature .aura-section { padding-bottom: 0; }
.home-feature .page-caveat { margin-top: 24px; }
.home-utilities { padding-block: 55px; border-top: 1px solid var(--line); }
.home-utilities h2 { font-size: 34px; font-weight: 550; margin: 0 0 35px; letter-spacing: -.6px; }
.home-utilities-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; }
.home-utilities h3 { font-size: 19px; font-weight: 550; margin: 0 0 16px; }
.home-utilities p { color: var(--muted); line-height: 1.9; font-size: 14px; margin: 0; }
@media (max-width:760px) {
 .home-features > .directory-heading { padding-top: 5px; }
 .feature-jump-bar > div { min-height: 57px; gap: 0; justify-content: space-between; }
 .feature-jump-bar a { font-size: 12px; padding-block: 20px; }
 .home-feature { scroll-margin-top: 0; padding-bottom: 40px; }
 .feature-intro { padding-block: 38px 26px; }
 .feature-intro h2 { font-size: 34px; letter-spacing: -1px; }
 .feature-intro p { font-size: 14px; }
 .feature-subtitle { font-size: 25px; }
 .finder-more { padding-block: 32px; }
 .home-feature .wallpaper-desktop { padding-top: 28px; }
 .home-utilities { padding-block: 40px; }
 .home-utilities h2 { font-size: 28px; }
 .home-utilities-grid { grid-template-columns: 1fr; gap: 35px; }
 .home-utilities h3 { font-size: 18px; }
}
@media (max-width:360px) {
 .feature-jump-bar a { font-size: 11px; }
}
/* 锚点对齐到固定目录下方；非交互章节只接收阅读焦点，不框选整段内容。 */
html:has(body.home-page) { scroll-padding-top: 68px; }
.home-feature:focus { outline: none; }
@media (max-width:760px) {
 html:has(body.home-page) { scroll-padding-top: 64px; }
}