/* 静态分屏首屏：尺寸与已确认稿保持一致。 */
.hero { position: relative; overflow: hidden; height: clamp(680px, calc(100vh - 150px), 820px); background: var(--c-light); color: var(--c-ink); }
.hero-in { position: relative; z-index: 2; max-width: 1440px; height: 100%; margin-inline: auto; padding-inline: var(--gutter); display: flex; align-items: center; pointer-events: none; }
.copy { width: min(560px, 40vw); padding-bottom: 8px; pointer-events: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 7px; border-radius: var(--r-pill); background: var(--c-paper); color: var(--c-ink-2); border: 1px solid var(--c-line); font-size: 13px; font-weight: 500; }
.eyebrow i { display: grid; place-items: center; width: 20px; height: 20px; flex-shrink: 0; border-radius: var(--r-dot); background: var(--c-panel); color: var(--c-text); font-style: normal; }
.eyebrow i svg { width: 11px; height: 11px; }
.h1 { margin: 22px 0 0; line-height: 1.16; color: var(--c-ink); }
.h1 > span { display: block; }
.h1 .h1-sub { color: var(--c-ink); }
.plats { display: flex; flex-wrap: wrap; gap: 4px 6px; margin-top: 22px; margin-left: -6px; }
.plat { display: inline-flex; align-items: center; gap: 9px; padding: 6px 12px 6px 6px; border-radius: var(--r-btn); font-size: var(--fs-sm); font-weight: 600; color: var(--c-ink); transition: background var(--ease-ui); }
.plat:hover { background: var(--c-paper); color: var(--c-ink); }
.plat-ico { display: grid; place-items: center; width: 30px; height: 30px; flex-shrink: 0; border-radius: var(--r-sm); background: var(--c-paper); color: var(--c-ink); border: 1px solid var(--c-line); }
.plat-ico svg { width: 15px; height: 15px; }
.lede { margin-top: 26px; max-width: 520px; font-size: var(--fs-body); line-height: 1.78; color: var(--c-ink-2); padding-top: 22px; border-top: 1px solid var(--c-line); }
.lede strong { color: var(--c-ink); font-weight: 700; }
.protos { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px; }
.protos-cap { font-size: 12.5px; font-weight: 600; color: var(--c-ink-2); margin-right: 4px; }
.chip { display: inline-flex; align-items: center; min-height: 28px; max-width: 100%; padding: 3px 12px; border-radius: var(--r-pill); border: 1px solid var(--c-line-2); font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500; color: var(--c-ink-2); background: var(--c-clear); overflow-wrap: anywhere; }
.stage { position: absolute; top: 0; right: 0; bottom: 0; width: 54%; background: var(--grad-stage); color: var(--c-ink); overflow: hidden; }
.stage::before { content: ""; position: absolute; left: 50%; top: 52%; width: 820px; height: 820px; transform: translate(-50%, -50%); border-radius: var(--r-dot); background: radial-gradient(closest-side, var(--c-glow), var(--c-glow-end)); color: var(--c-ink); }
.stage-rings { position: absolute; left: 50%; top: 50%; width: 900px; height: 900px; max-width: none; transform: translate(-52%, -48%); }
.stage-rings circle { fill: none; stroke: var(--c-ring); stroke-width: 1.5; stroke-linecap: round; }
.stage-rings .r1 { stroke-dasharray: 46 26 6 34; }
.stage-rings .r2 { stroke-dasharray: 4 22 60 30; }
.rig { position: absolute; left: 50%; top: 50%; width: 740px; height: 600px; transform: translate(-50%, -50%) translate(-22px, 24px) rotate(-8deg) scale(.9); }
.win { position: absolute; left: 60px; top: 54px; width: 560px; height: 380px; border-radius: var(--r-window); background: var(--c-paper); color: var(--c-ink); overflow: hidden; box-shadow: var(--sh-win); display: grid; grid-template-rows: 44px 1fr 48px; }
.win-bar { position: relative; display: flex; align-items: center; padding-inline: 16px; background: var(--c-paper-2); color: var(--c-ink); border-bottom: 1px solid var(--c-line); box-shadow: var(--hl-top); }
.dots { display: flex; gap: 7px; flex-shrink: 0; }
.dots span { width: 11px; height: 11px; border-radius: var(--r-dot); flex-shrink: 0; }
.dots .d-r { background: var(--c-error); color: var(--c-ink); }
.dots .d-y { background: var(--c-warn); color: var(--c-ink); }
.dots .d-g { background: var(--c-success); color: var(--c-ink); }
.win-title { position: absolute; left: 0; right: 0; text-align: center; font-size: 12.5px; font-weight: 600; color: var(--c-ink-2); pointer-events: none; }
.win-body { display: grid; grid-template-columns: 132px 1fr; min-height: 0; }
.side { background: var(--c-paper-2); color: var(--c-ink-2); border-right: 1px solid var(--c-line); padding: 12px 10px; display: flex; flex-direction: column; gap: 3px; }
.side-item { display: flex; align-items: center; gap: 9px; height: 32px; padding-inline: 10px; border-radius: var(--r-segment); font-size: 12.5px; font-weight: 500; color: var(--c-ink-2); }
.side-item svg { width: 14px; height: 14px; }
.side-item.is-current { background: var(--c-chip); color: var(--c-ink); font-weight: 600; }
.mock-main { display: flex; flex-direction: column; min-width: 0; }
.tools { height: 44px; display: flex; align-items: center; justify-content: space-between; padding-inline: 14px; }
.search { display: flex; align-items: center; gap: 6px; width: 168px; height: 28px; padding-inline: 10px; border-radius: var(--r-sm); background: var(--c-paper-2); color: var(--c-ink-2); border: 1px solid var(--c-line); font-size: 11.5px; }
.search svg { width: 12px; height: 12px; }
.tool-btn { display: flex; align-items: center; gap: 5px; height: 28px; padding-inline: 10px; border-radius: var(--r-sm); border: 1px solid var(--c-line); font-size: 11.5px; font-weight: 500; color: var(--c-ink-2); }
.cols { display: grid; grid-template-columns: 52px 1fr 1fr 46px 70px; align-items: center; height: 30px; padding-inline: 14px; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); font-size: 10.5px; font-weight: 600; letter-spacing: .02em; color: var(--c-ink-2); }
.empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding-right: 92px; }
.empty svg { width: 40px; height: 40px; color: var(--c-ink-3); }
.empty-line { font-size: 13px; color: var(--c-ink-2); }
.empty-line b { color: var(--c-ink); font-weight: 700; }
.empty-line .lnk { color: var(--c-ink-2); font-weight: 600; border-bottom: 1px dashed var(--c-line-2); }
.empty-hint { display: flex; align-items: center; gap: 5px; font-size: var(--fs-micro); color: var(--c-ink-2); }
.kbd { display: inline-grid; place-items: center; min-width: 20px; height: 18px; padding-inline: 5px; border-radius: var(--r-kbd); border: 1px solid var(--c-line-2); background: var(--c-paper-2); color: var(--c-ink-2); font-family: var(--font-mono); font-size: 9.5px; }
.status { display: flex; align-items: center; padding-left: 146px; background: var(--c-paper-2); color: var(--c-ink); border-top: 1px solid var(--c-line); }
.seg { display: flex; gap: 4px; padding: 3px; border-radius: var(--r-segment); background: var(--c-chip); color: var(--c-ink-2); }
.seg span { display: flex; align-items: center; justify-content: center; height: 22px; padding-inline: 6px; border-radius: var(--r-segment-item); font-size: var(--fs-micro); font-weight: 500; color: var(--c-ink-2); white-space: nowrap; }
.seg .s1 { width: 82px; }
.seg .s2 { width: 104px; }
.seg .s3 { width: 93px; }
.seg .on { background: var(--c-accent); color: var(--c-on-accent); font-weight: 700; box-shadow: var(--sh-seg); }
.sheet { position: absolute; left: 432px; top: 6px; width: 300px; padding: 16px; border-radius: var(--r-sheet); background: var(--c-glass); color: var(--c-ink); border: 1px solid var(--c-glass-edge); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: var(--sh-sheet); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; }
.sheet-head b { font-size: 13px; font-weight: 700; color: var(--c-ink); }
.sheet-head svg { width: 12px; height: 12px; color: var(--c-ink-2); }
.field-cap { margin-top: 12px; font-size: 10.5px; font-weight: 600; color: var(--c-ink-2); }
.field { display: flex; align-items: center; min-height: 32px; margin-top: 6px; padding: 6px 10px; border-radius: var(--r-sm); background: var(--c-paper); color: var(--c-ink-2); border: 1px solid var(--c-line); font-family: var(--font-mono); font-size: var(--fs-micro); overflow-wrap: anywhere; }
.field::after { content: ""; width: 1px; height: 14px; margin-left: 1px; flex-shrink: 0; background: var(--c-ink); color: var(--c-paper); }
.sheet-act { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.mini-btn { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding-inline: 12px; border-radius: var(--r-sm); background: var(--c-panel); color: var(--c-text); font-size: var(--fs-xs); font-weight: 600; }
.mini-btn svg { width: 12px; height: 12px; }
.mini-link { font-size: var(--fs-xs); color: var(--c-ink-2); }
.phone { position: absolute; left: 530px; top: 150px; width: 210px; height: 430px; padding: 7px; border-radius: var(--r-phone); background: var(--c-panel); color: var(--c-text); box-shadow: var(--sh-phone); }
.phone::before, .phone::after { content: ""; position: absolute; right: -3px; width: 3px; background: var(--c-bezel-deep); color: var(--c-text); border-radius: var(--r-square) var(--r-line) var(--r-line) var(--r-square); }
.phone::before { top: 98px; height: 46px; }
.phone::after { top: 156px; height: 26px; }
.screen { position: relative; height: 100%; border-radius: var(--r-screen); background: var(--c-paper); color: var(--c-ink); overflow: hidden; display: flex; flex-direction: column; }
.punch { position: absolute; left: 50%; top: 10px; width: 10px; height: 10px; margin-left: -5px; border-radius: var(--r-dot); background: var(--c-bezel-deep); color: var(--c-text); }
.p-status { display: flex; align-items: center; justify-content: flex-end; gap: 4px; height: 30px; padding-inline: 16px; color: var(--c-ink-2); }
.p-status svg { width: 11px; height: 11px; }
.p-bar { display: flex; align-items: center; gap: 10px; height: 44px; padding-inline: 14px; font-size: var(--fs-nav); font-weight: 700; color: var(--c-ink); }
.p-bar svg { width: 15px; height: 15px; }
.p-cap { padding: 10px 16px 4px; font-size: 10.5px; font-weight: 600; letter-spacing: .04em; color: var(--c-ink-2); }
.p-row { display: flex; align-items: center; gap: 10px; padding: 8px 14px 8px 16px; }
.p-row + .p-row { border-top: 1px solid var(--c-line); }
.p-txt { flex: 1; min-width: 0; }
.p-txt b { display: block; font-size: var(--fs-xs); font-weight: 600; color: var(--c-ink); }
.p-txt span { display: block; margin-top: 2px; font-size: 10px; line-height: 1.35; color: var(--c-ink-2); }
.sw { position: relative; flex: none; width: 30px; height: 17px; border-radius: var(--r-pill); background: var(--c-track); color: var(--c-ink); }
.sw::after { content: ""; position: absolute; left: 2px; top: 2px; width: 13px; height: 13px; border-radius: var(--r-dot); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-knob); }
.sw.on { background: var(--c-accent); color: var(--c-on-accent); }
.sw.on::after { left: 15px; }
.chev { width: 12px; height: 12px; flex-shrink: 0; color: var(--c-ink-2); }
.gesture { margin: auto auto 9px; width: 72px; height: 4px; border-radius: var(--r-pill); background: var(--c-line-2); color: var(--c-ink); }
.code { position: absolute; left: 0; top: 370px; width: 196px; padding: 12px 14px 14px; border-radius: var(--r-code); background: var(--c-panel); color: var(--c-text); box-shadow: var(--sh-card); transform: rotate(3deg); }
.code-head { display: flex; align-items: center; gap: 6px; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px solid var(--c-border); font-family: var(--font-mono); font-size: 10.5px; color: var(--c-muted); }
.code-head svg { width: 11px; height: 11px; }
.code pre { margin: 0; padding: 0; border-radius: var(--r-square); font-family: var(--font-mono); font-size: 10.5px; line-height: 1.62; white-space: pre; }
.code .k { color: var(--c-text); }
.code .s { color: var(--c-muted); }
.code .p { color: var(--c-muted); }
.annot { position: absolute; left: 260px; top: 376px; width: 220px; height: 138px; overflow: visible; }
.annot path { fill: none; stroke: var(--c-accent-dark); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.annot-note { position: absolute; left: 392px; top: 471px; isolation: isolate; font-size: var(--fs-body); font-weight: 700; color: var(--c-ink); white-space: nowrap; transform: rotate(-3deg); }
.annot-note::before { content: ""; position: absolute; left: -4px; right: -6px; bottom: 1px; height: 9px; border-radius: var(--r-mark); background: var(--c-accent-soft); color: var(--c-ink); z-index: -1; transform: skewX(-12deg); }
.dl-peek { background: var(--c-paper); color: var(--c-ink); border-top: 1px solid var(--c-line); }
.dl-peek-in { max-width: 1440px; margin-inline: auto; padding: 24px var(--gutter) 72px; }
.peek-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.peek-head h2 { margin: 0; font-size: var(--fs-h3); font-weight: 800; letter-spacing: -.01em; color: var(--c-ink); }
.peek-head a { font-size: var(--fs-sm); font-weight: 600; color: var(--c-ink-2); border-bottom: 1px solid var(--c-line-2); }
.strips { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 26px; }
.strip { display: flex; align-items: center; gap: 14px; padding: 22px; border-radius: var(--r-panel); background: var(--c-light); color: var(--c-ink); border: 1px solid var(--c-line); min-width: 0; }
.strip:hover { border-color: var(--c-line-2); }
.strip .plat-ico { width: 40px; height: 40px; border-radius: var(--r-btn); }
.strip .plat-ico svg { width: 19px; height: 19px; }
.strip b { display: block; font-size: var(--fs-body); font-weight: 700; }
.strip small { display: block; margin-top: 2px; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-ink-2); }

/* 通用选项卡；data-tabs 是行为边界，避免多个 tablist 相互串台。 */
.tab-list, [role="tablist"].tab-list { display: flex; align-items: center; gap: 8px; overflow-x: auto; max-width: 100%; padding: 6px; border-radius: var(--r-menu); background: var(--c-chip); color: var(--c-ink); }
.tab-list [role="tab"] { min-height: 44px; padding: 10px 20px; border-radius: var(--r-btn); font-size: var(--fs-sm); font-weight: 650; flex-shrink: 0; white-space: nowrap; }
.tab-list [role="tab"][aria-selected="true"] { background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-seg); }
.tab-panel { padding-top: 28px; min-width: 0; }
.feature-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr); align-items: center; gap: 64px; }
.feature-layout > * { min-width: 0; }
.feature-window { position: relative; border-radius: var(--r-window); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-win); padding-bottom: 44px; }
.feature-window .win-bar { height: 48px; border-radius: var(--r-window) var(--r-window) var(--r-square) var(--r-square); }
.feature-inside { display: grid; grid-template-columns: 150px minmax(0, 1fr); min-height: 320px; }
.feature-tabs { display: flex; flex-direction: column; align-items: stretch; padding: 20px 10px; gap: 6px; background: var(--c-paper-2); color: var(--c-ink); }
.feature-tabs [role="tab"] { position: relative; min-height: 44px; padding: 10px 12px; text-align: left; border-radius: var(--r-sm); font-size: var(--fs-sm); font-weight: 600; }
.feature-tabs [aria-selected="true"] { background: var(--c-chip); color: var(--c-ink); }
.feature-tabs [aria-selected="true"]::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: var(--r-line); background: var(--c-accent); color: var(--c-on-accent); }
.feature-setting { padding: 28px; min-width: 0; }
.feature-setting h3 { font-size: var(--fs-body); margin: 0 0 24px; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; border-bottom: 1px solid var(--c-line); font-size: var(--fs-sm); }
.setting-row > :first-child { min-width: 0; }
.feature-float { position: absolute; right: -18px; bottom: -14px; max-width: calc(100% - 36px); padding: 16px 20px; border-radius: var(--r-sheet); background: var(--c-glass); color: var(--c-ink); border: 1px solid var(--c-glass-edge); backdrop-filter: blur(18px); box-shadow: var(--sh-sheet); display: flex; align-items: center; gap: 14px; font-size: var(--fs-sm); font-weight: 600; }
.feature-description h2 { margin: 0 0 24px; }
.feature-description p { color: var(--c-text); line-height: 1.95; }
.toc { position: sticky; top: 16px; z-index: 10; display: flex; align-items: center; gap: 8px; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; padding: 10px; border-radius: var(--r-menu); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-pop); }
.toc a { display: block; flex-shrink: 0; padding: 10px 16px; min-height: 44px; font-size: var(--fs-sm); border-radius: var(--r-btn); white-space: nowrap; }
.toc a:hover, .toc a[aria-current] { background: var(--c-chip); color: var(--c-ink); }
.faq { padding: 0 24px; border-radius: var(--r-sheet); background: var(--c-paper); color: var(--c-ink); }
.faq + .faq { margin-top: 12px; }
.faq summary { display: block; position: relative; list-style: none; cursor: pointer; padding: 22px 32px 22px 0; font-weight: 700; line-height: 1.6; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 20px; font-family: var(--font-mono); font-size: var(--fs-lead); }
.faq[open] summary::after { content: "−"; }
.faq-body { padding-bottom: 24px; color: var(--c-ink-2); }
.term-card { padding: 28px; border-radius: var(--r-panel); background: var(--c-paper); color: var(--c-ink); }
.term-card h3 { margin: 0 0 8px; font-family: var(--font-mono); font-size: var(--fs-lead); }
.term-card p { margin-top: 16px; color: var(--c-ink-2); }
.term-category, .article-meta { font-size: var(--fs-xs); color: var(--c-ink-2); }
.client-card { padding: 32px; border-radius: var(--r-panel); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-win); min-width: 0; }
.client-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 20px; }
.client-head h3 { margin: 0; }
.client-card p { color: var(--c-ink-2); }
.client-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.client-rev { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--c-ink-2); }
.badge { display: inline-flex; align-items: center; min-height: 26px; max-width: 100%; padding: 4px 10px; border-radius: var(--r-pill); background: var(--c-chip); color: var(--c-ink); font-size: var(--fs-xs); font-weight: 700; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
.badge-primary, .badge-recommended { background: var(--c-chip); color: var(--c-ink); border: 1px solid var(--c-line-2); }
.badge-primary::before { content: ""; width: 6px; height: 6px; margin-right: 6px; flex-shrink: 0; border-radius: var(--r-dot); background: var(--c-ink); color: var(--c-paper); }
.badge-ended { background: var(--c-panel); color: var(--c-text); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-block; max-width: 100%; padding: 4px 10px; border-radius: var(--r-sm); background: var(--c-chip); color: var(--c-ink-2); font-size: var(--fs-xs); white-space: normal; overflow-wrap: anywhere; }
.article-card { display: flex; flex-direction: column; gap: 16px; padding: 28px; border-radius: var(--r-panel); background: var(--c-paper); color: var(--c-ink); min-width: 0; box-shadow: var(--sh-win); }
.article-card h3 { margin: 0; font-size: var(--fs-h3); line-height: 1.45; }
.article-card h3 a:hover { text-decoration: underline; text-underline-offset: 5px; }
.article-card p { color: var(--c-ink-2); }
.article-card .article-more { margin-top: auto; padding-top: 8px; font-size: var(--fs-sm); font-weight: 700; }
.callout { margin: 0; padding: 24px 28px; border-radius: var(--r-sheet); border-left: 4px solid var(--c-line-2); background: var(--c-paper); color: var(--c-ink); }
.callout p { margin-top: 8px; color: var(--c-ink-2); }
.callout-warn { border-left-color: var(--c-warn); }
.callout-error { border-left-color: var(--c-error); }
.callout-success { border-left-color: var(--c-success); }
.article-download { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding: 32px; border-radius: var(--r-panel); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-win); }
.article-download h2 { margin: 0 0 8px; font-size: var(--fs-h3); }
.article-download p { color: var(--c-ink-2); }
.dl-fab { position: fixed; right: 24px; bottom: 24px; z-index: 25; display: flex; align-items: center; gap: 12px; max-width: calc(100% - 40px); padding: 14px 18px; border-radius: var(--r-menu); background: var(--c-paper); color: var(--c-ink); box-shadow: var(--sh-pop); border: 1px solid var(--c-line); }
.dl-fab svg { width: 22px; height: 22px; flex-shrink: 0; }
.dl-fab strong { display: block; font-size: var(--fs-sm); }
.dl-fab small { display: block; color: var(--c-ink-2); font-size: var(--fs-xs); }
.dl-fab:hover { border-color: var(--c-ink-3); }
.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; overscroll-behavior-inline: contain; border-radius: var(--r-sheet); }
.data-table { width: 100%; border-collapse: collapse; background: var(--c-paper); color: var(--c-ink); font-size: var(--fs-sm); }
.data-table th, .data-table td, .prose table th, .prose table td, .doc-content table th, .doc-content table td {
  min-width: 7em; padding: 16px 20px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--c-line); overflow-wrap: normal; word-break: normal;
}
.data-table th, .prose table th, .doc-content table th { background: var(--c-chip); color: var(--c-ink); font-weight: 700; }
.prose table, .doc-content table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; background: var(--c-paper); color: var(--c-ink); font-size: var(--fs-sm); }
.data-table code, .prose table code, .doc-content table code { overflow-wrap: anywhere; }

/* 预览色板：每个色块通过语义类取令牌，不在 HTML 内写样式。 */
.palette { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { border-radius: var(--r-sheet); background: var(--c-paper); color: var(--c-ink); border: 1px solid var(--c-line); overflow: hidden; min-width: 0; }
.swatch-color { display: block; min-height: 80px; border-bottom: 1px solid var(--c-line); }
.swatch code { display: block; padding: 12px; font-size: var(--fs-xs); }
.sw-bg { background: var(--c-bg); color: var(--c-text); }
.sw-panel { background: var(--c-panel); color: var(--c-text); }
.sw-light { background: var(--c-light); color: var(--c-ink); }
.sw-border { background: var(--c-border); color: var(--c-text); }
.sw-accent { background: var(--c-accent); color: var(--c-on-accent); }
.sw-accent-dark { background: var(--c-accent-dark); color: var(--c-ink); }
.sw-accent-soft { background: var(--c-accent-soft); color: var(--c-ink); }
.sw-text { background: var(--c-text); color: var(--c-ink); }
.sw-muted { background: var(--c-muted); color: var(--c-ink); }
.sw-success { background: var(--c-success); color: var(--c-ink); }
.sw-warn { background: var(--c-warn); color: var(--c-ink); }
.sw-error { background: var(--c-error); color: var(--c-ink); }
.sw-ink { background: var(--c-panel); color: var(--c-text); }
.sw-ink-2 { background: var(--c-ink-2); color: var(--c-text); }
.sw-ink-3 { background: var(--c-ink-3); color: var(--c-ink); }
.sw-line { background: var(--c-line); color: var(--c-ink); }
.sw-line-2 { background: var(--c-line-2); color: var(--c-ink); }
.sw-paper { background: var(--c-paper); color: var(--c-ink); }
.sw-paper-2 { background: var(--c-paper-2); color: var(--c-ink); }
.sw-chip { background: var(--c-chip); color: var(--c-ink); }
.sw-track { background: var(--c-track); color: var(--c-ink); }
.sw-ring { background: var(--c-ring); color: var(--c-ink); }
.sw-code-dim { background: var(--c-code-dim); color: var(--c-ink); }
.sw-bezel { background: var(--c-bezel-deep); color: var(--c-text); }
.sw-glass { background: var(--c-glass); color: var(--c-ink); }
.sw-glass-edge { background: var(--c-glass-edge); color: var(--c-ink); }
.sw-glow { background: var(--c-glow); color: var(--c-ink); }
.sw-glow-end { background: var(--c-glow-end); color: var(--c-ink); }
.sw-veil { background: var(--c-veil); color: var(--c-text); }
.sw-clear { background: var(--c-clear); color: var(--c-ink); }
.sw-stage { background: var(--grad-stage); color: var(--c-ink); }
.preview-title { margin-top: 0; margin-bottom: 32px; }
.preview-type-h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 800; line-height: 1.16; }
.preview-note { color: var(--c-ink-2); font-size: var(--fs-sm); }
.preview-outline { padding: 24px; border-radius: var(--r-panel); background: var(--c-bg); color: var(--c-text); }
@media (max-width: 1280px) {
  .rig { transform: translate(-50%, -50%) translate(-18px, 22px) rotate(-8deg) scale(.78); }
  .feature-layout { gap: 40px; }
}
@media (max-width: 1100px) {
  .stage { width: 50%; }
  .copy { width: min(520px, 44vw); }
  .rig { transform: translate(-50%, -50%) translate(-14px, 20px) rotate(-8deg) scale(.66); }
  .strips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-layout { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .feature-description { max-width: 680px; }
}
@media (max-width: 900px) {
  .hero { height: auto; }
  .hero-in { display: block; padding-top: 44px; padding-bottom: 36px; }
  .copy { width: 100%; }
  .stage { position: relative; width: 100%; height: 440px; }
  .rig { position: relative; left: calc(50% - 207.2px); top: 40px; transform: scale(.56); transform-origin: top left; }
  .palette { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .stage { height: 330px; }
  .rig { left: calc(50% - 155.4px); top: 32px; transform: scale(.42); }
  .strips { grid-template-columns: minmax(0, 1fr); }
  .peek-head { flex-direction: column; gap: 8px; }
  .palette { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-inside { grid-template-columns: minmax(0, 1fr); }
  .feature-tabs { flex-direction: row; overflow-x: auto; max-width: 100%; padding: 12px; }
  .feature-tabs [role="tab"] { flex-shrink: 0; white-space: nowrap; border-radius: var(--r-pill); padding-inline: 16px; }
  .feature-tabs [aria-selected="true"]::before { left: 12px; right: 12px; top: auto; bottom: 4px; width: auto; height: 3px; }
  .feature-setting { padding: 24px; min-height: 230px; }
  .feature-float { right: 12px; bottom: -16px; max-width: calc(100% - 24px); }
  .client-card, .term-card, .article-card, .article-download { padding: 24px; }
  .callout { padding: 20px; }
  .dl-fab { right: 20px; bottom: 16px; padding: 12px 16px; }
  .dl-fab small { display: none; }
  .protos, .tag-row { flex-direction: row; flex-wrap: wrap; }
}