@charset "UTF-8";

:root {
  color-scheme: dark;
  --ink: #07090e;
  --panel: #0e131d;
  --panel-deep: #0a0e16;
  /* TiN Gold：原有变量入口保留，组件统一使用语义化强调色。 */
  --cyan: #C5A059;
  --blue: #937338;
  --accent: var(--cyan);
  --accent-deep: var(--blue);
  --accent-hover: #D4B483;
  --accent-rgb: 197, 160, 89;
  --accent-glow: rgba(197, 160, 89, 0.35);
  --accent-wash: rgba(var(--accent-rgb), .055);
  --accent-wash-hover: rgba(var(--accent-rgb), .09);
  --ruby: #ff3366;
  --green: #10b981;
  --white: #f0f3f7;
  --muted: #919cab;
  --dim: #5d6c7d;
  --line: rgba(171, 178, 189, .15);
  --line-bright: var(--accent-glow);
  --mono: "DIN Alternate", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--ink); color: var(--white); font: 14px/1.7 var(--sans); -webkit-font-smoothing: antialiased; background-image: linear-gradient(rgba(171, 178, 189, .045) .5px, transparent .5px), linear-gradient(90deg, rgba(171, 178, 189, .045) .5px, transparent .5px); background-size: 32px 32px; }
body::before { content: "G54 / MACHINE ORIGIN  X+0.000  Y+0.000"; position: fixed; right: -116px; top: 47%; transform: rotate(-90deg); color: rgba(171, 178, 189, .13); font: 9px var(--mono); letter-spacing: .12em; pointer-events: none; z-index: -1; }
body.modal-open { overflow: hidden; }
button, input { font: inherit; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; border: 0; cursor: pointer; }
button:disabled { cursor: not-allowed; }
button, a, summary { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
button:disabled:focus-visible { outline-color: var(--dim); }
img { max-width: 100%; display: block; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.25; color: var(--accent); }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
legend { padding: 0; }
[hidden] { display: none !important; }
::selection { background: var(--accent-glow); color: var(--white); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.accent { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.section-shell { width: min(1328px, calc(100% - 40px)); margin-inline: auto; }
.eyebrow { color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .14em; line-height: 1.6; }
.section-index { color: var(--accent); margin-right: 8px; }
.status-dot, .ruby-dot { width: 5px; height: 5px; flex: 0 0 5px; display: inline-block; background: var(--green); border-radius: 50%; vertical-align: middle; }
.status-dot { box-shadow: none; }
.ruby-dot { background: var(--ruby); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 48px; padding: 12px 19px; font-size: 13px; font-weight: 600; line-height: 1.5; transition: background .18s, border-color .18s, color .18s; }
.button > span:last-child { font: 20px/1 var(--mono); }
.button-primary { background: var(--accent); color: var(--ink); border: 1px solid var(--accent); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08); }
.button-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.button-outline { background: transparent; color: var(--accent); border: 1px solid var(--line-bright); }
.button-outline:hover { background: var(--accent-wash-hover); border-color: var(--accent); }
.text-action { display: inline-flex; gap: 12px; align-items: center; min-height: 48px; font-size: 12px; color: #b8c4ce; }
.text-action:hover { color: var(--accent); }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; min-height: 44px; background: var(--accent); color: var(--ink); padding: 10px 16px; }
.skip-link:focus { top: 10px; }

/* 入口：品牌、全景与一眼可读的工程尺度。 */
.site-header { min-height: 78px; padding: 14px max(20px, calc((100vw - 1328px) / 2)); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 18px; background: rgba(7, 9, 14, .97); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.brand-mark { width: 36px; height: 40px; color: var(--white); flex-shrink: 0; }
.brand-type { display: grid; gap: 3px; }
.brand-type strong { font-size: 17px; line-height: 1.2; letter-spacing: .1em; }
.brand-type > span { font: 8px/1.4 var(--mono); letter-spacing: .21em; color: #9daaba; }
.desktop-nav { display: none; }
.header-action { min-height: 44px; display: inline-flex; align-items: center; gap: 15px; color: #cad5df; font-size: 12px; border-left: 1px solid var(--line); padding-left: 16px; }
.header-action > span { color: var(--accent); font-size: 19px; }
.hero { padding-top: 22px; }
.hero-topline { display: flex; align-items: center; justify-content: space-between; font-size: 9px; color: var(--muted); letter-spacing: .12em; }
.hero-topline .status-dot { margin-right: 7px; }
.hero-coordinate { display: none; }
.hero-grid { padding: 31px 0 16px; }
.hero-copy > .eyebrow { font-size: 10px; color: #a5b4c1; letter-spacing: .19em; }
.hero h1 { margin-top: 15px; font-size: clamp(39px, 10.5vw, 58px); font-weight: 650; letter-spacing: -.035em; line-height: 1.28; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-description { margin-top: 18px; color: var(--muted); font-size: 12px; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 24px; }
.hero-actions .button { min-width: 156px; }
.hero-smallprint { margin-top: 22px; font-size: 8px; letter-spacing: .12em; color: var(--dim); display: flex; align-items: center; gap: 9px; }
.tiny-cross { color: var(--accent); font-size: 16px; line-height: 1; }
.hero-visual { position: relative; margin: 24px -8px 0; isolation: isolate; }
.hero-visual img { width: 100%; height: auto; aspect-ratio: 1672/941; object-fit: cover; }
.hero-visual-top, .hero-visual-bottom { position: absolute; left: 12px; right: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 8px; letter-spacing: .05em; color: #adb4be; }
.hero-visual-top { top: 9px; }
.hero-visual-top > span:first-child { color: #8d97a3; }
.hero-visual-bottom { bottom: 7px; font-size: 9px; }
.hero-visual-bottom .status-dot { margin-right: 5px; }
.hero-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(0deg, rgba(7, 9, 14, .8), transparent 25%, transparent 83%, rgba(7, 9, 14, .6)); z-index: -0; }
.hero-visual-top, .hero-visual-bottom { z-index: 1; }
.visual-corner { position: absolute; width: 16px; height: 16px; border-color: var(--accent-glow); z-index: 2; }
.corner-tl { top: 0; left: 0; border-top: 1px solid var(--line-bright); border-left: 1px solid var(--line-bright); }
.corner-br { bottom: 0; right: 0; border-bottom: 1px solid var(--line-bright); border-right: 1px solid var(--line-bright); }
.capability-strip { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 6px 0; }
.capability-strip > div { padding: 16px 0 15px; }
.capability-strip > div:nth-child(even) { border-left: 1px solid var(--line); padding-left: 20px; }
.capability-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.capability-strip > div > span { font-size: 25px; font-weight: 500; line-height: 1.2; letter-spacing: -.025em; }
.metric-unit { color: var(--muted); font-size: 10px; letter-spacing: .03em; }
.capability-strip p { color: var(--muted); font-size: 10px; margin-top: 7px; }
.capability-strip p .ruby-dot { margin-right: 3px; width: 4px; height: 4px; }

/* 六大工艺：水平滑动缩略图、双模舞台、独立的技术读数。 */
.showroom, .engineering, .estimator { padding-top: 58px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.section-heading h2 { font-size: clamp(21px, 5.6vw, 30px); letter-spacing: -.035em; margin-top: 9px; font-weight: 600; }
.section-meta { display: none; font-size: 9px; letter-spacing: .1em; color: var(--dim); white-space: nowrap; }
.product-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 2px 1px 14px; margin-right: -20px; padding-right: 20px; scrollbar-width: thin; scrollbar-color: #373d47 transparent; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
.product-tab { position: relative; display: flex; align-items: center; flex: 0 0 160px; text-align: left; min-height: 68px; gap: 9px; padding: 7px; border: 1px solid var(--line); background: #0b1018; scroll-snap-align: start; }
.product-tab img { width: 50px; height: 50px; object-fit: cover; opacity: .7; }
.product-tab > span { display: grid; gap: 3px; }
.product-tab small { font: 9px var(--mono); color: var(--dim); letter-spacing: .08em; }
.product-tab strong { color: #a5b0bd; font-size: 11px; font-weight: 500; white-space: nowrap; }
.product-tab[aria-selected="true"] { border-color: var(--accent); background: var(--accent-wash); }
.product-tab[aria-selected="true"]::after { position: absolute; content: ""; right: 0; bottom: 0; border: 3px solid transparent; border-right-color: var(--accent); border-bottom-color: var(--accent); }
.product-tab[aria-selected="true"] img { opacity: 1; }
.product-tab[aria-selected="true"] small, .product-tab[aria-selected="true"] strong { color: var(--accent); }
.showroom-frame { border: 1px solid var(--line); background: #090d14; }
.showroom-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 9px; min-height: 61px; border-bottom: 1px solid var(--line); }
.toolbar-id { font-size: 8px; letter-spacing: .02em; color: var(--dim); display: flex; align-items: center; gap: 5px; }
.toolbar-id b { color: #acbbc8; font-weight: 400; }
.toolbar-process { color: var(--dim); font-size: 8px; letter-spacing: .03em; text-align: right; }
.macro-stage { aspect-ratio: 4/3; position: relative; background: #090b10; overflow: hidden; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.macro-stage.is-zoomed { touch-action: none; cursor: grab; }
.macro-stage.is-dragging { cursor: grabbing; }
.stage-image-wrap { width: 100%; height: 100%; transform-origin: center; will-change: auto; }
.macro-stage.is-zoomed .stage-image-wrap { will-change: transform; }
.stage-image-wrap img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.stage-vignette { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,9,14,.45), transparent 22%, transparent 74%, rgba(7,9,14,.6)); pointer-events: none; }
.stage-overlay { position: absolute; left: 14px; right: 14px; display: flex; justify-content: space-between; pointer-events: none; color: #adb4bf; }
.stage-top { top: 12px; font-size: 8px; letter-spacing: .08em; }
.stage-magnification { color: var(--accent); font-size: 16px; line-height: 1; }
.crosshair { position: absolute; width: 36px; height: 36px; left: 50%; top: 50%; transform: translate(-50%, -50%); pointer-events: none; opacity: .55; border: 1px solid rgba(199, 204, 212, .3); border-radius: 50%; }
.crosshair::before, .crosshair::after { content: ""; position: absolute; background: rgba(217, 222, 229, .75); }
.crosshair::before { width: 56px; height: .5px; top: 17px; left: -11px; }
.crosshair::after { height: 56px; width: .5px; left: 17px; top: -11px; }
.crosshair span { position: absolute; inset: 15px; background: var(--ruby); border-radius: 50%; }
.axis-watermark { position: absolute; left: 13px; bottom: 36px; display: grid; color: rgba(211, 217, 225, .6); font-size: 7px; line-height: 1.7; pointer-events: none; }
.axis-watermark > span:first-child { padding-left: 1px; }
.micron-ruler { position: absolute; right: 13px; bottom: 31px; width: 116px; pointer-events: none; }
.micron-ruler > div { height: 9px; border-bottom: .5px solid #acbac5; background: repeating-linear-gradient(90deg, #acbac5 0 .5px, transparent .5px 11.5px); }
.micron-ruler > span { font-size: 7px; color: #b0bcc6; display: block; padding-top: 2px; }
.micron-ruler small { display: block; font-size: 7px; color: #72808e; margin-top: 2px; }
.stage-bottom-label { position: absolute; bottom: 10px; left: 13px; color: #8994a1; font-size: 8px; letter-spacing: .1em; pointer-events: none; }
.image-status { position: absolute; left: 50%; top: 22px; transform: translateX(-50%); background: #141a23; padding: 8px 12px; border: 1px solid var(--line); color: #d1d9df; font-size: 11px; pointer-events: none; }
.zoom-control { background: #0b1018; border-top: 1px solid var(--line); padding: 13px 15px 12px; }
.zoom-label { display: flex; align-items: center; justify-content: space-between; font-size: 9px; color: var(--muted); letter-spacing: .09em; }
.zoom-label output { font-size: 13px; color: var(--accent); }
.zoom-slider-row { display: flex; gap: 12px; align-items: center; font-size: 9px; color: var(--dim); }
input[type="range"] { --progress: 0%; appearance: none; -webkit-appearance: none; flex: 1; min-width: 0; height: 44px; margin: 0; cursor: ew-resize; background: transparent; touch-action: pan-y; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--accent) var(--progress), #26313d var(--progress)); }
input[type="range"]::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 14px; height: 20px; margin-top: -9px; border: 3px solid #101720; background: var(--accent); border-radius: 0; box-shadow: 0 0 0 1px var(--accent); }
input[type="range"]::-moz-range-track { height: 2px; background: #26313d; }
input[type="range"]::-moz-range-progress { background: var(--accent); height: 2px; }
input[type="range"]::-moz-range-thumb { width: 9px; height: 16px; border-radius: 0; background: var(--accent); border: 2px solid #101720; }
.reset-zoom { width: 44px; min-height: 44px; flex-shrink: 0; font-size: 24px; color: var(--muted); background: transparent; border-left: 1px solid var(--line); }
.reset-zoom:hover { color: var(--accent); }
.zoom-control > p { color: var(--dim); font-size: 9px; margin-top: 1px; }
.product-readout { padding: 22px 18px; border-top: 1px solid var(--line); }
.readout-heading { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.readout-heading .eyebrow { font-size: 8px; color: #71869b; letter-spacing: .08em; }
.readout-no { font-size: 9px; color: var(--dim); }
.product-readout h3 { font-size: 23px; margin-top: 11px; letter-spacing: -.025em; font-weight: 550; }
.material-line { font-size: 11px; color: var(--accent); margin-top: 9px; }
.product-description { font-size: 12px; color: var(--muted); margin-top: 17px; line-height: 1.9; }
.product-specs { margin: 20px 0 16px; }
.product-specs > div { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding: 10px 0; gap: 12px; }
.product-specs dt { color: var(--muted); font-size: 11px; }
.product-specs dd { font: 12px/1.5 var(--mono); margin: 0; text-align: right; }
.product-specs > div:first-child dd { color: #d2dce6; }
.process-tag { display: flex; align-items: center; gap: 7px; font-size: 10px; color: #a5b3c0; }
.readout-note { color: #637588; font-size: 9px; margin-top: 12px; line-height: 1.8; }
.product-readout .button { margin-top: 20px; width: 100%; font-size: 12px; }

/* 工序与验收：随工件联动的技术说明。 */
.process-standards { display: grid; gap: 12px; padding: 18px; border-top: 1px solid var(--line); background: var(--panel-deep); }
.standards-heading { display: grid; gap: 4px; }
.standards-heading > span { color: var(--accent-deep); font-size: 8px; letter-spacing: .1em; }
.standards-heading > strong { font-size: 12px; color: var(--accent); font-weight: 500; }
.standards-content { min-width: 0; }
.standards-content ul { display: flex; flex-wrap: wrap; gap: 7px 0; list-style: none; padding: 0; margin: 0; color: #b1bbc7; font-size: 11px; line-height: 1.9; }
.standards-content li { display: inline; }
.standards-content li + li::before { content: "·"; display: inline-block; color: var(--accent-deep); margin-inline: 8px; }
.standards-content p { margin-top: 8px; font-size: 9px; color: var(--dim); }

/* 工程信息：以文档结构呈现，避免白卡与装饰性数字。 */
.engineering-grid { border-top: 1px solid var(--line); }
.engineering-item { position: relative; padding: 23px 0 20px; border-bottom: 1px solid var(--line); }
.engineering-number { display: flex; align-items: center; gap: 12px; color: var(--accent); font-size: 11px; }
.engineering-number span { color: var(--dim); font-size: 9px; letter-spacing: .1em; }
.engineering-item > svg { position: absolute; right: 0; top: 22px; width: 40px; height: 40px; stroke: #525d6d; stroke-width: 1; }
.engineering-item h3 { font-size: 18px; font-weight: 500; margin-top: 13px; }
.engineering-item p { color: var(--muted); font-size: 12px; margin-top: 10px; line-height: 1.9; max-width: 92%; }
.engineering-footer { display: block; margin-top: 22px; color: #5d6879; font-size: 8px; letter-spacing: .1em; }

/* 采购配置：每个选择均为可触控的实按钮。 */
.estimator-layout { border: 1px solid var(--line); background: #0b1018; }
.configurator { padding: 20px 15px 3px; min-width: 0; }
.config-product { padding-bottom: 20px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 2px 6px; align-items: center; }
.config-product > span { grid-column: 1/-1; font-size: 8px; color: var(--dim); letter-spacing: .1em; }
.config-product > strong { font-size: 13px; font-weight: 500; }
.config-product > a { min-height: 44px; display: inline-flex; align-items: center; font-size: 10px; color: var(--accent); }
.configurator fieldset { padding-top: 24px; padding-bottom: 22px; }
.configurator fieldset + fieldset { border-top: 1px solid var(--line); }
.configurator legend { width: 100%; font-size: 13px; font-weight: 500; float: left; margin-bottom: 15px; display: flex; align-items: center; gap: 9px; }
.configurator legend + * { clear: both; }
.field-number { color: var(--accent); font-size: 10px; }
.configurator legend small { font-size: 9px; color: var(--dim); font-weight: 400; margin-left: auto; }
.tier-chips, .option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.choice { position: relative; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; text-align: left; border: 1px solid #25303e; padding: 12px 10px; background: #0e151f; min-height: 69px; }
.choice strong { font-size: 11px; font-weight: 500; line-height: 1.5; }
.choice small { font-size: 9px; color: #77889b; margin-top: 3px; line-height: 1.5; }
.choice:hover:not(:disabled) { border-color: var(--accent-deep); }
.choice[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-wash); }
.choice[aria-pressed="true"] strong { color: var(--accent); }
.choice[aria-pressed="true"]::after { content: ""; position: absolute; bottom: 0; right: 0; border: 3px solid transparent; border-right-color: var(--accent); border-bottom-color: var(--accent); }
.choice:disabled { opacity: .35; }
.choice-factor { position: absolute; right: 8px; top: 10px; font-size: 8px; color: var(--dim); }
.material-chips .choice { min-height: 74px; }
.material-chips .choice strong { font-size: 11px; }
.material-chips .choice-factor { position: static; display: inline; color: var(--accent); font-size: 9px; margin-top: 2px; }
.quantity-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 15px; }
.quantity-row > label { font-size: 11px; color: #a3b1bf; }
.quantity-stepper { display: flex; align-items: center; border: 1px solid #25303e; height: 46px; }
.quantity-stepper button { width: 44px; height: 44px; flex-shrink: 0; background: transparent; color: var(--muted); font: 19px var(--mono); }
.quantity-stepper button:hover:not(:disabled) { color: var(--accent); }
.quantity-stepper button:disabled { opacity: .3; }
.quantity-stepper input { width: 62px; min-height: 44px; color: var(--white); background: transparent; border: 0; padding: 4px 0; font: 15px var(--mono); text-align: center; appearance: textfield; -moz-appearance: textfield; }
.quantity-stepper input::-webkit-inner-spin-button, .quantity-stepper input::-webkit-outer-spin-button { appearance: none; -webkit-appearance: none; margin: 0; }
.quantity-stepper > span { font-size: 10px; color: var(--dim); padding-right: 8px; }
.field-help { font-size: 9px; color: #63768a; margin-top: 8px; }
.field-error { color: #ff7d9c; font-size: 10px; margin-top: 7px; }
.precision-chips { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.precision-chips .choice { min-height: 88px; padding: 11px 8px; }
.precision-chips .choice strong { font-size: 10px; white-space: nowrap; }
.precision-chips .tolerance { font: 15px/1.5 var(--mono); display: block; letter-spacing: -.04em; color: #d6e3ee; margin-top: 4px; }
.precision-chips .tolerance small { font-size: 8px; }
.precision-chips .choice[data-value="micron"] .tolerance { color: var(--ruby); }
.precision-chips .choice > small { font-size: 8px; }
.config-notice:empty { display: none; }
.quote-summary { background: #0e151f; border-top: 1px solid var(--line); padding: 23px 18px; position: relative; }
.quote-summary::before { content: ""; position: absolute; width: 40px; height: 1px; top: -1px; left: -1px; background: var(--accent); }
.summary-topline { color: #768a9d; display: flex; align-items: center; justify-content: space-between; font-size: 8px; letter-spacing: .08em; }
.summary-topline .status-dot { margin-right: 5px; }
.unit-price { margin-top: 26px; }
.unit-price > p { font-size: 12px; color: #bac8d4; display: flex; align-items: center; justify-content: space-between; }
.unit-price > p > span { font: 8px var(--mono); color: var(--dim); }
.unit-price > div { display: flex; align-items: baseline; gap: 5px; margin-top: 7px; line-height: 1.15; white-space: nowrap; }
.currency-sign { font: 23px var(--mono); color: var(--accent); }
.unit-price output { font: 52px/1.2 var(--mono); color: var(--accent); letter-spacing: -.045em; }
.unit-price > div > small { font-size: 11px; color: var(--dim); margin-left: 4px; }
.budget-total, .lead-time { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.budget-total > span, .lead-time > span { color: var(--muted); font-size: 11px; }
.budget-total > span small, .lead-time > span small { margin-left: 6px; color: var(--dim); font-size: 9px; }
.budget-total output { font-size: 20px; letter-spacing: -.02em; color: var(--accent); }
.lead-time { padding-block: 13px; }
.lead-time strong { font-weight: 400; font-size: 17px; }
.lead-time strong small { font-size: 9px; color: var(--muted); }
.amortization { padding: 20px 0 15px; }
.amortization > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 5px; }
.amortization > div:first-child > span { font-size: 10px; color: var(--muted); }
.amortization strong { font-size: 12px; color: var(--accent); font-weight: 400; }
.amortization-track { margin-top: 10px; height: 3px; background: #29313e; }
.amortization-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--accent-deep), var(--accent)); transition: width .25s; }
.amortization > p { font-size: 9px; color: #737e8e; margin-top: 7px; }
.cost-details { border-block: 1px solid var(--line); padding: 0 0 13px; }
.cost-details > summary { list-style: none; display: flex; min-height: 48px; align-items: center; justify-content: space-between; cursor: pointer; font-size: 11px; color: #9eaebb; }
.cost-details > summary::-webkit-details-marker { display: none; }
.cost-details > summary > span { color: var(--dim); font: 8px var(--mono); }
.cost-details summary b { display: inline-block; font-size: 15px; margin-left: 8px; font-weight: 400; transition: transform .2s; }
.cost-details[open] summary b { transform: rotate(45deg); }
.cost-details dl { margin: 0; display: grid; gap: 7px; }
.cost-details dl > div { display: flex; justify-content: space-between; font-size: 10px; }
.cost-details dt { color: #8b95a3; }
.cost-details dd { margin: 0; color: #b1c2d0; font-family: var(--mono); }
.cost-details dl > div:nth-last-child(-n+2) dt::before { content: "+ "; color: var(--accent); }
.cost-details > p { color: #606c7d; font-size: 8px; margin-top: 10px; }
.quote-disclaimer { margin-top: 16px; color: #778493; font-size: 9px; line-height: 1.9; }
.quote-summary > .button { margin-top: 18px; width: 100%; font-size: 12px; min-height: 52px; padding-inline: 14px; }
.summary-footnote { display: flex; align-items: center; justify-content: center; gap: 5px; color: #788797; font-size: 9px; margin-top: 11px; }
.summary-footnote .status-dot { width: 4px; height: 4px; flex-basis: 4px; }

.contact-band { margin-top: 64px; padding: 28px 0; border-block: 1px solid var(--line); }
.contact-band .eyebrow { font-size: 8px; color: #657588; }
.contact-band h2 { margin-top: 12px; font-size: 21px; font-weight: 500; line-height: 1.5; max-width: 280px; }
.contact-band > .button { margin-top: 22px; font-size: 12px; }
.site-footer { padding-top: 28px; padding-bottom: 124px; }
.footer-wordmark { display: inline-flex; align-items: center; min-height: 44px; font: 17px var(--mono); letter-spacing: -.04em; color: #bec9d2; }
.footer-wordmark > span { color: #627484; margin-left: 6px; }
.site-footer > p { color: #6f8294; font-size: 10px; }
.footer-meta { display: flex; flex-direction: column; gap: 6px; margin-top: 24px; color: #415365; font-size: 8px; letter-spacing: .05em; }
.procurement-dock { position: fixed; z-index: 35; bottom: 0; left: 0; right: 0; background: rgba(10, 16, 24, .98); border-top: 1px solid #343d49; display: flex; justify-content: space-between; align-items: center; padding: 11px 18px max(11px, env(safe-area-inset-bottom)); gap: 12px; }
.procurement-dock > div { min-width: 0; }
.procurement-dock > div > span { display: block; color: #8c98a6; font-size: 9px; line-height: 1.4; }
.procurement-dock > div > span > span { margin-left: 6px; color: #6b798c; }
.procurement-dock strong { color: var(--accent); font-size: 23px; font-weight: 400; line-height: 1.4; white-space: nowrap; }
.procurement-dock strong small { color: #7b899b; font-size: 9px; }
.procurement-dock .button { min-height: 48px; font-size: 12px; padding-inline: 14px; gap: 11px; }

/* 可读的技术单始终与复制结果同屏，失败时给出真实状态。 */
.order-dialog { width: min(620px, calc(100% - 24px)); max-height: min(90dvh, 940px); padding: 0; border: 1px solid #3a424f; background: #0c131d; color: var(--white); overflow: hidden; }
.order-dialog[open] { display: flex; flex-direction: column; }
.order-dialog::backdrop { background: rgba(0, 3, 8, .85); backdrop-filter: blur(5px); }
.dialog-header { padding: 20px 18px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 8px; flex-shrink: 0; }
.dialog-header .eyebrow { font-size: 8px; color: #8290a1; }
.dialog-header h2 { font-size: 19px; margin-top: 7px; font-weight: 500; letter-spacing: -.03em; }
.dialog-close { width: 44px; height: 44px; flex-shrink: 0; background: #171e29; border: 1px solid var(--line); font: 27px var(--mono); color: #b1bbc7; }
.dialog-close:hover { color: var(--accent); border-color: var(--accent); }
.clipboard-banner { margin: 16px 16px 0; background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.27); padding: 11px 12px; color: #55dcb1; font-size: 11px; line-height: 1.8; flex-shrink: 0; }
.clipboard-banner[data-state="pending"] { color: var(--accent-hover); background: rgba(var(--accent-rgb), .06); border-color: var(--line-bright); }
.clipboard-banner[data-state="error"] { color: #e3bd84; background: #251e17; border-color: #61472a; }
.order-preview-label { display: flex; flex-direction: column; gap: 4px; justify-content: space-between; font-size: 9px; color: #7d8b9c; padding: 17px 17px 8px; flex-shrink: 0; }
.order-preview-label > span:first-child { font-size: 8px; letter-spacing: .07em; }
.technical-order { margin: 0 16px; padding: 14px 12px; border: 1px solid #2b3441; background: #070d14; overflow: auto; overscroll-behavior: contain; font: 11px/1.9 var(--mono), var(--sans); white-space: pre-wrap; word-break: break-word; color: #aabfcd; min-height: 110px; flex: 1 1 auto; user-select: text; -webkit-user-select: text; scrollbar-color: #414a57 transparent; scrollbar-width: thin; }
.dialog-actions { padding: 15px 16px max(17px, env(safe-area-inset-bottom)); flex-shrink: 0; }
.dialog-actions > .button { width: 100%; min-height: 52px; padding-inline: 14px; font-size: 13px; }
.wechat-line { display: flex; justify-content: space-between; align-items: center; margin-top: 13px; gap: 8px; padding-block: 10px; border-block: 1px solid var(--line); }
.wechat-line > div { display: grid; gap: 2px; }
.wechat-line span { color: #8793a4; font-size: 9px; }
.wechat-line strong { color: #b9c9d3; font-size: 13px; font-weight: 400; }
.wechat-line button { min-height: 44px; padding: 0 10px; background: var(--accent-wash); border: 1px solid var(--line-bright); color: var(--accent); font-size: 10px; white-space: nowrap; }
.wechat-copy-status { color: #7b899a; font-size: 9px; line-height: 1.7; margin-top: 9px; }
.manual-copy { width: 100%; min-height: 44px; color: #e6c493; background: #251e17; margin-top: 8px; font-size: 11px; }
.noscript-notice { padding: 18px; color: var(--accent-hover); border: 1px solid var(--accent); position: fixed; bottom: 0; background: #0e131d; z-index: 100; }

@media (min-width: 600px) {
  .process-standards { grid-template-columns: 165px minmax(0, 1fr); gap: 20px; align-items: start; padding: 19px 23px; }
  .toolbar-process { font-size: 9px; }
  .standards-content ul { font-size: 12px; }
  .section-shell { width: min(1328px, calc(100% - 64px)); }
  .site-header { padding-inline: max(32px, calc((100vw - 1328px) / 2)); }
  .hero-coordinate { display: inline; font-size: 8px; color: #536779; }
  .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: center; padding: 45px 0 40px; }
  .hero h1 { font-size: 43px; }
  .hero-visual { margin: 0 -12px 0 0; }
  .hero-visual img { aspect-ratio: 1/1.1; object-fit: cover; object-position: 51% 50%; }
  .hero-actions { gap: 16px; flex-wrap: wrap; margin-top: 22px; }
  .hero-description { font-size: 11px; }
  .hero-actions .button { min-width: 150px; }
  .capability-strip { grid-template-columns: repeat(4, 1fr); padding-block: 22px; }
  .capability-strip > div { padding: 2px 10px 2px 20px !important; border-bottom: 0 !important; }
  .capability-strip > div:first-child { padding-left: 0 !important; }
  .capability-strip > div + div { border-left: 1px solid var(--line); }
  .capability-strip > div > span { font-size: 25px; }
  .capability-strip p { font-size: 9px; }
  .section-meta { display: inline-flex; align-items: center; gap: 7px; }
  .section-heading h2 { font-size: 25px; }
  .product-tabs { margin-right: 0; padding-right: 0; }
  .showroom-toolbar { padding-inline: 20px; }
  .toolbar-id { font-size: 10px; gap: 8px; }
  .product-readout { padding: 25px; }
  .product-specs { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 21px; }
  .product-specs > div { display: grid; justify-content: start; gap: 7px; }
  .product-specs dd { text-align: left; }
  .product-readout .button { width: 260px; }
  .stage-top { font-size: 10px; }
  .stage-magnification { font-size: 22px; }
  .engineering-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
  .engineering-item { padding: 26px 20px; }
  .engineering-item:first-child { padding-left: 0; }
  .engineering-item + .engineering-item { border-left: 1px solid var(--line); }
  .engineering-item > svg { display: none; }
  .engineering-item h3 { font-size: 17px; }
  .engineering-item p { font-size: 11px; max-width: none; }
  .engineering-footer { font-size: 7px; letter-spacing: .02em; }
  .configurator { padding: 24px; }
  .tier-chips { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .choice { padding-inline: 14px; }
  .material-chips .choice-factor { position: absolute; top: 13px; right: 12px; }
  .precision-chips .choice { padding-inline: 14px; }
  .precision-chips .choice strong { font-size: 12px; }
  .precision-chips .tolerance { font-size: 20px; }
  .quote-summary { padding: 30px; }
  .contact-band h2 { max-width: none; font-size: 25px; }
  .footer-meta { flex-direction: row; justify-content: space-between; }
  .procurement-dock { padding-inline: 32px; }
  .order-dialog { width: min(620px, calc(100% - 48px)); }
  .dialog-header { padding: 24px; }
  .dialog-header h2 { font-size: 23px; }
  .clipboard-banner { margin-inline: 24px; }
  .order-preview-label { padding-inline: 25px; flex-direction: row; }
  .technical-order { margin-inline: 24px; padding: 18px; font-size: 12px; }
  .dialog-actions { padding-inline: 24px; }
}

@media (min-width: 1000px) {
  html { scroll-padding-top: 30px; }
  .section-shell { width: min(1328px, calc(100% - 112px)); }
  .site-header { min-height: 88px; padding: 18px max(56px, calc((100vw - 1328px) / 2)); }
  .brand { gap: 12px; }
  .brand-mark { width: 42px; height: 44px; }
  .brand-type strong { font-size: 19px; }
  .brand-type > span { font-size: 8px; letter-spacing: .27em; }
  .desktop-nav { display: flex; gap: 38px; margin-left: auto; margin-right: 46px; }
  .desktop-nav a { min-height: 44px; display: flex; align-items: center; gap: 8px; font-size: 12px; color: #a0aebd; }
  .desktop-nav a span { font: 8px var(--mono); color: #465a6f; align-self: flex-start; margin-top: 10px; }
  .desktop-nav a:hover { color: var(--accent); }
  .header-action { padding-left: 25px; }
  .hero { padding-top: 26px; }
  .hero-topline { font-size: 9px; }
  .hero-grid { grid-template-columns: .85fr 1.15fr; gap: 12px; padding: 42px 0 47px; }
  .hero h1 { font-size: clamp(50px, 4.7vw, 72px); margin-top: 22px; }
  .hero-copy > .eyebrow { font-size: 10px; }
  .hero-description { font-size: 13px; margin-top: 23px; }
  .hero-actions { gap: 28px; margin-top: 29px; }
  .hero-actions .button { min-width: 182px; }
  .hero-smallprint { font-size: 8px; margin-top: 29px; }
  .hero-visual { margin: 0 -10px 0 -8px; }
  .hero-visual img { aspect-ratio: 1.53; object-fit: cover; }
  .hero-visual-top, .hero-visual-bottom { left: 18px; right: 18px; font-size: 9px; }
  .hero-visual-top { top: 13px; }
  .hero-visual-bottom { bottom: 13px; }
  .capability-strip { padding-block: 24px; }
  .capability-strip > div { padding-left: 34px !important; }
  .capability-strip > div > span { font-size: 32px; }
  .metric-unit { font-size: 12px; }
  .capability-strip p { font-size: 11px; margin-top: 9px; }
  .showroom, .engineering, .estimator { padding-top: 86px; }
  .section-heading { margin-bottom: 29px; }
  .section-heading h2 { font-size: 30px; margin-top: 11px; }
  .section-meta { font-size: 9px; }
  .product-tabs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; overflow: visible; padding-bottom: 17px; }
  .product-tab { min-width: 0; min-height: 76px; padding: 8px; gap: 9px; }
  .product-tab img { width: 53px; height: 53px; }
  .product-tab strong { font-size: 11px; }
  .product-tab small { font-size: 9px; }
  .showroom-toolbar { min-height: 64px; padding-inline: 24px; }
  .showroom-body { display: grid; grid-template-columns: minmax(0, 1.92fr) minmax(0, 1fr); }
  .macro-stage { aspect-ratio: 1.65; }
  .stage-overlay { left: 20px; right: 20px; }
  .stage-top { top: 18px; font-size: 9px; }
  .axis-watermark { left: 20px; bottom: 43px; font-size: 8px; }
  .stage-bottom-label { left: 20px; bottom: 16px; font-size: 9px; }
  .micron-ruler { right: 20px; bottom: 32px; }
  .zoom-control { padding: 14px 22px 12px; }
  .zoom-label { font-size: 9px; }
  .zoom-control > p { font-size: 9px; }
  .product-readout { padding: 26px; border-top: 0; border-left: 1px solid var(--line); display: flex; flex-direction: column; }
  .readout-heading .eyebrow { font-size: 8px; }
  .product-readout h3 { font-size: 26px; margin-top: 20px; }
  .material-line { font-size: 11px; }
  .product-description { font-size: 12px; margin-top: 19px; }
  .product-specs { display: block; margin-top: 22px; }
  .product-specs > div { display: flex; padding-block: 11px; }
  .product-specs dt { font-size: 10px; }
  .product-specs dd { font-size: 11px; text-align: right; }
  .product-readout .button { width: 100%; margin-top: auto; }
  .readout-note { margin-bottom: 20px; }
  .engineering-item { padding: 27px 32px 25px; }
  .engineering-item > svg { display: block; right: 30px; width: 34px; height: 34px; top: 26px; }
  .engineering-item h3 { font-size: 21px; margin-top: 22px; }
  .engineering-item p { font-size: 12px; line-height: 1.95; margin-top: 14px; }
  .engineering-footer { font-size: 8px; letter-spacing: .08em; margin-top: 30px; }
  .estimator-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: stretch; }
  .configurator { padding: 28px 30px 6px; }
  .config-product > strong { font-size: 15px; }
  .config-product > a { font-size: 11px; }
  .configurator legend { font-size: 14px; }
  .configurator legend small { font-size: 10px; }
  .choice { padding: 12px; }
  .choice strong { font-size: 12px; }
  .choice small { font-size: 10px; }
  .choice-factor { font-size: 10px; }
  .material-chips .choice strong { font-size: 12px; }
  .precision-chips .choice strong { font-size: 11px; }
  .finish-chips .choice strong { font-size: 12px; }
  .quote-summary { padding: 29px 29px 24px; border-top: 0; border-left: 1px solid var(--line); }
  .quote-summary::before { width: 54px; left: 0; }
  .summary-topline { font-size: 8px; }
  .unit-price { margin-top: 36px; }
  .unit-price output { font-size: clamp(48px, 4.4vw, 68px); }
  .budget-total { padding-block: 24px; }
  .budget-total output { font-size: 22px; }
  .lead-time { padding-block: 19px; }
  .amortization { padding-block: 25px; }
  .cost-details dl { gap: 11px; }
  .cost-details dl > div { font-size: 11px; }
  .cost-details > p { font-size: 9px; margin-top: 13px; }
  .quote-disclaimer { margin-top: 20px; font-size: 10px; }
  .quote-summary > .button { font-size: 13px; margin-top: 24px; }
  .contact-band { margin-top: 86px; padding-block: 35px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .contact-band h2 { font-size: 28px; }
  .contact-band > .button { margin-top: 0; min-width: 240px; }
  .site-footer { padding-top: 34px; padding-bottom: 40px; }
  .footer-wordmark { font-size: 20px; }
  .footer-meta { margin-top: 28px; font-size: 8px; }
  .procurement-dock { left: auto; right: 24px; bottom: 22px; width: 410px; padding: 12px 15px; border: 1px solid #38414c; box-shadow: 0 8px 30px #0008; transform: translateY(150%); opacity: 0; pointer-events: none; transition: transform .2s, opacity .2s; }
  .procurement-dock.is-visible { transform: translateY(0); opacity: 1; pointer-events: auto; }
}

@media (min-width: 1400px) {
  .hero-grid { padding-top: 53px; padding-bottom: 58px; }
  .hero-visual img { aspect-ratio: 1.58; }
  .product-tab { gap: 12px; padding: 9px 12px; }
  .product-tab img { width: 61px; height: 55px; }
  .product-tab strong { font-size: 12px; }
  .product-readout { padding: 29px 31px; }
  .product-readout h3 { font-size: 28px; }
  .product-specs { margin-top: 27px; }
}

@media (max-width: 374px) {
  .section-shell { width: calc(100% - 28px); }
  .hero-actions { gap: 13px; }
  .hero-actions .button { min-width: 145px; }
  .hero-actions .text-action { font-size: 11px; }
  .brand-type strong { font-size: 15px; }
  .toolbar-id { font-size: 7px; gap: 3px; }
  .procurement-dock { padding-inline: 12px; }
  .procurement-dock strong { font-size: 21px; }
  .procurement-dock .button { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media print {
  body { background: white; color: black; }
  body:has(.order-dialog[open]) > :not(.order-dialog) { display: none; }
  .order-dialog[open] { position: static; width: 100%; max-height: none; border: 0; background: white; color: black; }
  .technical-order { color: black; background: white; border: 0; overflow: visible; }
  .dialog-actions, .dialog-close, .clipboard-banner, .procurement-dock { display: none; }
}