/* =========================================================
   1MSO Studio · editorial, minimal-luxury
   Cream + black + olive gold, taken from the 1MSO logo.
   Display: Antonio (condensed, echoes the logo letters)
   Body: Source Sans 3 · CJK: Noto Sans SC / PingFang SC / Microsoft YaHei
   Contrast (WCAG): ink on cream 16.8:1 · ink-2 on cream 6.8:1 ·
   gold-text on cream 5.8:1 · cream on dark 16.9:1 · gold-light on dark 9.1:1 ·
   brand gold #9A8240 is used for lines, shapes and large display type only.
   ========================================================= */
:root {
  --cream: #F6F2EA;
  --tint: #EFE9DD;
  --paper: #FBF9F4;
  --ink: #14120F;
  --ink-2: #57534E;
  --line: #DCD4C5;
  --gold: #9A8240;
  --gold-text: #6E5C24;
  --dark: #12110F;
  --dark-2: #1C1A17;
  --dark-line: #34302A;
  --on-dark: #F6F2EA;
  --on-dark-2: #B9AE9C;
  --gold-light: #C9B26E;
  --danger: #A23A2A;

  --font-display: "Antonio", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;

  --space-2: 8px; --space-3: 16px; --space-4: 24px; --space-5: 32px;
  --space-6: 48px; --space-7: 64px; --space-8: 96px; --space-9: 128px;
  --radius: 2px;
  --header-h: 76px;
  --wrap: 1240px;
  --gutter: clamp(20px, 5vw, 56px);

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --t-fast: 180ms;
  --t-med: 320ms;
  --t-reveal: 900ms;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--cream); color: var(--ink);
  font-family: var(--font-body); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
html[lang^="zh"] body { line-height: 1.8; }
main { overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a, button, summary, select, label, [role="tab"] { cursor: pointer; touch-action: manipulation; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
h1, h2 {
  font-family: var(--font-display); font-weight: 600; line-height: 1.02;
  text-transform: uppercase; letter-spacing: .005em; text-wrap: balance;
}
h2 { font-size: clamp(40px, 5.6vw, 76px); }
h3 { font-size: 21px; line-height: 1.3; font-weight: 600; }
html[lang^="zh"] h1, html[lang^="zh"] h2 { font-weight: 700; letter-spacing: .02em; line-height: 1.18; }
html[lang^="zh"] h2 { font-size: clamp(32px, 4.4vw, 58px); }
em { font-style: normal; color: var(--gold); }

:focus-visible { outline: 2px solid var(--gold-text); outline-offset: 3px; }
.section-dark :focus-visible, .site-footer :focus-visible { outline-color: var(--gold-light); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); position: relative; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: var(--cream); padding: 10px 16px; }
.skip-link:focus { top: 12px; }

.small-caps, .kicker, .eyebrow {
  font-family: var(--font-body); font-size: 13px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
}
.kicker { display: inline-flex; align-items: center; gap: 14px; color: var(--gold-text); margin-bottom: var(--space-4); }
.kicker::before { content: ""; width: 0; height: 0; border-top: 9px solid var(--gold); border-right: 9px solid transparent; }
.section-dark .kicker { color: var(--gold-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .04em; white-space: nowrap;
  transition: background-color var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: var(--gold-text); }
.btn-ghost { color: var(--ink); border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--cream); }
.btn-light { background: var(--cream); color: var(--ink); margin-top: var(--space-5); }
.btn-light:hover { background: var(--gold-light); }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  background: rgba(246, 242, 234, 0); border-bottom: 1px solid transparent;
  transition: background-color var(--t-med) ease, border-color var(--t-med) ease;
}
.site-header.is-scrolled { background: rgba(246, 242, 234, .96); border-bottom-color: var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; gap: var(--space-4); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; flex-shrink: 0; }
.brand img { height: 30px; width: auto; }
.brand-sub { font-size: 12px; font-weight: 600; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-2); padding-left: 12px; border-left: 1px solid var(--line); line-height: 1.6; }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 2px; }
.nav a:not(.btn) {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  font-size: 15px; color: var(--ink-2); transition: color var(--t-fast) ease;
}
.nav a:not(.btn):hover, .nav a.is-active { color: var(--ink); }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 9px; height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out);
}
.nav a.is-active::after, .nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav-cta-mobile { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 14px; border-radius: 999px; font-size: 14px; border: 1px solid var(--line); transition: border-color var(--t-fast) ease; }
.lang-toggle:hover { border-color: var(--ink); }
.lang-cur { color: var(--ink); font-weight: 600; }
.lang-sep, .lang-alt { color: var(--ink-2); }
.menu-toggle { display: none; width: 44px; height: 44px; position: relative; border-radius: 50%; border: 1px solid var(--line); }
.menu-toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--ink); transition: transform var(--t-med) var(--ease-out), top var(--t-med) var(--ease-out); }
.menu-toggle span:first-child { top: 17px; }
.menu-toggle span:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------- Parallax primitives ---------- */
[data-parallax] { position: relative; isolation: isolate; }
[data-speed] { will-change: transform; }
.section-deco { position: absolute; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; min-height: 100svh; padding: calc(var(--header-h) + var(--space-7)) 0 var(--space-6); display: flex; flex-direction: column; justify-content: center; }
.hero-bg { position: absolute; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }
.hero-word {
  position: absolute; left: -2vw; bottom: -4vw; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(200px, 36vw, 560px); line-height: .8; letter-spacing: -.01em; color: var(--tint); user-select: none;
}
.hero-layout { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-6); align-items: center; }
.eyebrow { color: var(--gold-text); margin-bottom: var(--space-4); }
.hero-title { font-size: clamp(60px, 9.5vw, 148px); line-height: .95; font-weight: 600; }
html[lang^="zh"] .hero-title { font-size: clamp(48px, 7.4vw, 108px); line-height: 1.12; }
.hero-sub { margin-top: var(--space-5); max-width: 46ch; font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--space-5); }

/* Photo-frame composition */
.frames { position: relative; height: clamp(360px, 46vw, 600px); }
.frame { position: absolute; border-radius: var(--radius); }
.frame-a { inset: 0 18% 22% 6%; background: linear-gradient(160deg, #D9CCAE 0%, #B9A57A 55%, #8E7A45 100%); }
.frame-b { width: 46%; height: 52%; right: 0; bottom: 4%; background: var(--dark); }
.frame-tri { position: absolute; left: 14%; top: 14%; width: 22%; aspect-ratio: 52 / 70; background: var(--gold); clip-path: polygon(0 0, 100% 0, 0 100%); }
.frame-c { width: 30%; height: 30%; left: 0; bottom: 0; background: var(--paper); box-shadow: 0 24px 60px -30px rgba(20, 18, 15, .35); }
.frame-line { position: absolute; inset: 8% 4% 12% 20%; border: 1px solid var(--gold); border-radius: var(--radius); }

.hero-pillars { margin-top: var(--space-7); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hero-pillars li { padding: var(--space-4) var(--space-4) 0 0; }
.hero-pillars li + li { padding-left: var(--space-4); border-left: 1px solid var(--line); }
.pillar-k { display: block; font-family: var(--font-display); font-size: 26px; font-weight: 600; text-transform: uppercase; color: var(--gold-text); margin-bottom: 4px; }
.hero-pillars p { color: var(--ink-2); font-size: 16px; }

/* ---------- Ribbon ---------- */
.marquee { overflow: hidden; background: var(--dark); color: var(--on-dark); position: relative; }
.marquee.is-paused .marquee-track { animation-play-state: paused !important; }
.marquee-toggle { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; align-items: center; justify-content: center; background: var(--dark); color: var(--gold-light); border: 1px solid var(--dark-line); }
.marquee-toggle svg { width: 18px; height: 18px; }
.marquee-toggle .i-play { display: none; }
.marquee-toggle[aria-pressed="true"] .i-play { display: block; }
.marquee-toggle[aria-pressed="true"] .i-pause { display: none; }
.marquee-toggle:hover { border-color: var(--gold-light); }
.marquee-track { display: flex; width: max-content; animation: marquee 48s linear infinite; animation-play-state: paused; }
.marquee.is-visible .marquee-track { animation-play-state: running; }
.marquee-track span {
  display: inline-flex; align-items: center; gap: 36px; padding: 22px 18px;
  font-family: var(--font-display); font-size: 22px; font-weight: 400; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
}
.marquee-track span::after { content: ""; width: 10px; height: 13px; background: var(--gold); clip-path: polygon(0 0, 100% 0, 0 100%); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(96px, 12vw, 168px) 0; position: relative; }
.section-tint { background: var(--tint); }
.section-dark { background: var(--dark); color: var(--on-dark); }
.section-dark .lead, .section-dark p { color: var(--on-dark-2); }
.section-dark h2, .section-dark h3 { color: var(--on-dark); }
.section-head { max-width: 820px; margin-bottom: var(--space-7); }
.lead, .hero-sub { text-wrap: pretty; }
.lead { margin-top: var(--space-4); color: var(--ink-2); font-size: 19px; max-width: 58ch; }
.section-cta { margin-top: var(--space-6); display: flex; }

.deco-frame { position: absolute; right: -6%; top: 8%; width: min(34vw, 460px); aspect-ratio: 4 / 5; border: 1px solid rgba(154, 130, 64, .45); }
.deco-frame::after { content: ""; position: absolute; inset: 10% -14% -10% 14%; background: linear-gradient(160deg, rgba(154, 130, 64, .16), rgba(154, 130, 64, 0)); }
.deco-frame-left { right: auto; left: -8%; top: 30%; }
.deco-word { position: absolute; right: -2vw; top: 6%; font-family: var(--font-display); font-weight: 700; font-size: clamp(120px, 20vw, 320px); line-height: .8; color: var(--tint); user-select: none; }

/* Platforms */
.platforms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-7); }
.platform-group > .small-caps { color: var(--gold-text); padding-bottom: var(--space-3); border-bottom: 1px solid var(--ink); }
.platform-row {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4px var(--space-4); align-items: baseline;
  padding: var(--space-4) 0; border-bottom: 1px solid var(--line);
}
.platform-name { font-family: var(--font-display); font-size: clamp(30px, 3vw, 40px); font-weight: 600; line-height: 1; text-transform: uppercase; transition: color var(--t-fast) ease; }
html[lang^="zh"] .platform-name { font-size: clamp(26px, 2.6vw, 34px); }
.platform-role { color: var(--ink); font-size: 17px; }
.platform-services { grid-column: 2; font-size: 14px; color: var(--gold-text); letter-spacing: .02em; }
.platform-row:hover .platform-name { color: var(--gold-text); }

/* Services (dark) */
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--space-5); border-top: 1px solid var(--dark-line); }
.service { padding: var(--space-6) 0; border-bottom: 1px solid var(--dark-line); display: flex; flex-direction: column; gap: var(--space-3); transition: background-color var(--t-med) ease; }
.service-icon { width: 28px; height: 28px; color: var(--gold-light); }
.service-icon svg { width: 28px; height: 28px; }
.section-dark .svc-line { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-light); }
.service h3 { font-family: var(--font-display); font-size: 30px; font-weight: 600; text-transform: uppercase; line-height: 1.05; }
html[lang^="zh"] .service h3 { font-family: var(--font-body); font-size: 24px; font-weight: 700; }
.service .desc { font-size: 16px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: auto; padding-top: var(--space-2); }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: auto; padding-top: var(--space-2); }
.tag { font-size: 14px; color: var(--on-dark); position: relative; padding-left: 14px; }
.tag::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; background: var(--gold); clip-path: polygon(0 0, 100% 0, 0 100%); }
.text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--gold-light); font-weight: 600; }
.text-link svg { width: 18px; height: 18px; transition: transform var(--t-fast) ease; }
.text-link:hover svg { transform: translateX(4px); }

/* Creator method */
.method-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-5); }
.method-step { border-top: 1px solid var(--ink); padding-top: var(--space-4); }
.method-tag { display: block; font-family: var(--font-display); font-size: 15px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-text); margin-bottom: var(--space-3); }
.method-step h3 { margin-bottom: 10px; }
.method-step p { color: var(--ink-2); font-size: 16px; }
.method-note { margin-top: var(--space-7); font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); font-weight: 400; text-transform: uppercase; line-height: 1.15; max-width: 24ch; }
html[lang^="zh"] .method-note { font-family: var(--font-body); font-weight: 600; text-transform: none; }

/* Process */
.process { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.process-tabs { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.process-tab {
  display: flex; align-items: center; gap: 18px; min-height: 60px; padding: 0 4px; text-align: left; border-bottom: 1px solid var(--line);
  color: var(--ink-2); transition: color var(--t-fast) ease;
}
.process-tab .idx { font-family: var(--font-display); font-size: 16px; color: var(--ink-2); width: 26px; }
.process-tab .name { font-family: var(--font-display); font-size: 24px; font-weight: 600; text-transform: uppercase; }
html[lang^="zh"] .process-tab .name { font-family: var(--font-body); font-size: 19px; font-weight: 700; }
.process-tab:hover { color: var(--ink); }
.process-tab[aria-selected="true"] { color: var(--ink); }
.process-tab[aria-selected="true"] .idx { color: var(--gold-text); }
.process-tab[aria-selected="true"] .name { box-shadow: inset 0 -2px 0 var(--gold); }
.process-panel { background: var(--paper); padding: clamp(28px, 4vw, 56px); }
.p-count { font-family: var(--font-display); font-size: 64px; line-height: 1; color: var(--gold); }
.process-panel h3 { font-family: var(--font-display); font-size: clamp(34px, 4vw, 52px); text-transform: uppercase; font-weight: 600; margin-top: 4px; }
html[lang^="zh"] .process-panel h3 { font-family: var(--font-body); font-weight: 700; }
.process-panel .p-desc { margin-top: var(--space-3); color: var(--ink-2); font-size: 18px; max-width: 60ch; }
.process-cols { margin-top: var(--space-5); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.process-cols div { border-top: 1px solid var(--gold); padding-top: var(--space-3); }
.col-label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 8px; }
.process-cols p { font-size: 16px; }
.process-panel.is-swapping { animation: fadeUp 420ms var(--ease-out); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Results (dark) */
.measure-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-7); align-items: start; }
.measure-layout .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.measure-list li { padding: var(--space-5) 0; border-top: 1px solid var(--dark-line); }
.measure-list li:last-child { border-bottom: 1px solid var(--dark-line); }
.measure-list h3 { font-family: var(--font-display); font-size: clamp(28px, 2.8vw, 38px); font-weight: 600; text-transform: uppercase; line-height: 1.05; }
html[lang^="zh"] .measure-list h3 { font-family: var(--font-body); font-size: 26px; font-weight: 700; }
.measure-list p { margin-top: 10px; font-size: 17px; max-width: 52ch; }

/* Industries */
.industry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6) var(--space-5); }
.industry { border-top: 1px solid var(--line); padding-top: var(--space-4); position: relative; }
.industry::before { content: ""; position: absolute; top: -1px; left: 0; width: 40px; height: 1px; background: var(--gold); transition: width var(--t-med) var(--ease-out); }
.industry:hover::before { width: 100%; }
.industry h3 { font-family: var(--font-display); font-size: 28px; font-weight: 600; text-transform: uppercase; line-height: 1.05; margin-bottom: 10px; }
html[lang^="zh"] .industry h3 { font-family: var(--font-body); font-size: 22px; font-weight: 700; }
.industry p { color: var(--ink-2); font-size: 16px; }

/* Partners */
.partners { padding: var(--space-7) 0; border-top: 1px solid var(--line); }
.partners .small-caps { color: var(--ink-2); text-align: center; }
.partner-row { margin-top: var(--space-5); display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3) var(--space-7); }
.partner-row li { font-family: var(--font-display); font-size: 26px; letter-spacing: .1em; text-transform: uppercase; color: #6B655C; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: var(--space-7); align-items: start; }
.faq-layout .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; padding: 18px 0; font-size: 19px; font-weight: 600; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { position: relative; width: 20px; height: 20px; flex-shrink: 0; transition: transform var(--t-med) var(--ease-out); }
.faq-item summary .plus::before, .faq-item summary .plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--ink); }
.faq-item summary .plus::after { transform: rotate(90deg); }
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--gold-text); }
.faq-item .answer { padding: 0 40px 28px 0; color: var(--ink-2); }

/* Contact */
.contact-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--space-7); align-items: start; }
.contact-title { font-size: clamp(44px, 6vw, 84px); }
.contact-info { margin-top: var(--space-6); }
.contact-info > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; align-items: center; padding: 8px 0; min-height: 60px; border-top: 1px solid var(--line); }
.contact-info > div:last-child { border-bottom: 1px solid var(--line); }
.contact-info dt { font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); padding-top: 4px; }
.contact-info dd { font-size: 18px; overflow-wrap: anywhere; }
.contact-info a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 4px; }
.contact-info a:hover { color: var(--gold-text); }
.contact-form { background: var(--paper); padding: clamp(24px, 4vw, 48px); }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status:focus { outline: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.js-only { display: none !important; }
.js .js-only { display: inline-flex !important; }

/* Progress (JS only; without JS both steps show as one form) */
.form-progress { display: none; gap: var(--space-4); margin-bottom: var(--space-5); padding-bottom: var(--space-3); border-bottom: 1px solid var(--line); }
.js .form-progress { display: flex; }
.form-progress li { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); position: relative; padding-bottom: 6px; }
.form-progress li::after { content: ""; position: absolute; left: 0; right: 0; bottom: calc(-1 * var(--space-3) - 1px); height: 2px; background: transparent; transition: background-color var(--t-med) ease; }
.form-progress li.is-current { color: var(--ink); }
.form-progress li.is-current::after { background: var(--gold); }
.form-progress li.is-done { color: var(--gold-text); }
.fp-idx { font-family: var(--font-display); font-size: 18px; color: var(--gold-text); letter-spacing: 0; }

.form-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.form-step + .form-step { margin-top: var(--space-6); }
.js .contact-form.is-stepped .form-step { display: none; }
.js .contact-form.is-stepped .form-step.is-active { display: block; animation: fadeUp 420ms var(--ease-out); }
.js .contact-form.is-stepped .form-step + .form-step { margin-top: 0; }
.step-legend { font-family: var(--font-display); font-size: 30px; font-weight: 600; text-transform: uppercase; padding: 0; margin-bottom: var(--space-4); }
html[lang^="zh"] .step-legend { font-family: var(--font-body); font-weight: 700; font-size: 24px; }
.js .contact-form.is-stepped .step-legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.field-grid .field:first-child, .field-grid .field:last-child { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 15px; font-weight: 600; color: var(--ink); }
.opt { font-weight: 400; color: var(--ink-2); }
.field:has(input[required]) > label::after, .consent .choice:has(input[required]) > span:last-child::after { content: " *"; color: var(--danger); }
.form-status.is-error { color: var(--danger); }
.field input, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 0; font: inherit; font-size: 17px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid #8F877A; border-radius: 0;
  transition: border-color var(--t-fast) ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus { outline: none; border-bottom: 2px solid var(--gold-text); }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--gold-text); outline-offset: 4px; }
.field [aria-invalid="true"] { border-bottom: 2px solid var(--danger); }
.req-note { font-size: 14px; color: var(--ink-2); margin: -8px 0 var(--space-4); }
.req-note span { color: var(--danger); }
.field-error { font-size: 14px; color: var(--danger); margin-top: 2px; }
.field-error::before { content: "! "; font-weight: 700; }

.choice-group { border: 0; margin: 0 0 var(--space-5); padding: 0; min-width: 0; }
.choice-group > legend { font-size: 15px; font-weight: 600; padding: 0; margin-bottom: var(--space-2); }
.choice-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-4); border-top: 1px solid var(--line); }
.choice-list-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.choice-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.choice-pair .choice-list { grid-template-columns: minmax(0, 1fr); }
.choice { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 16px; cursor: pointer; position: relative; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice-mark { flex-shrink: 0; width: 20px; height: 20px; border: 1px solid #8F877A; background: var(--paper); position: relative; transition: border-color var(--t-fast) ease, background-color var(--t-fast) ease; }
.choice input[type="radio"] + .choice-mark { border-radius: 50%; }
.choice input:checked + .choice-mark { border-color: var(--ink); background: var(--ink); }
.choice input[type="checkbox"]:checked + .choice-mark::after { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border: solid var(--gold-light); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.choice input[type="radio"]:checked + .choice-mark::after { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--gold-light); }
.choice input:focus-visible + .choice-mark { outline: 2px solid var(--gold-text); outline-offset: 3px; }
.choice input[aria-invalid="true"] + .choice-mark { border-color: var(--danger); }
.choice:hover .choice-mark { border-color: var(--ink); }
.consent { margin-top: var(--space-4); }
.consent .choice { border-bottom: 0; }

.form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--space-5); }
.form-note { font-size: 14px; color: var(--ink-2); margin-top: var(--space-3); }
.form-status { font-size: 15px; min-height: 1.5em; margin-top: var(--space-2); }
.form-status.is-ok { color: var(--gold-text); }

/* Footer */
.site-footer { background: var(--dark); color: var(--on-dark); padding: var(--space-8) 0 var(--space-6); }
.footer-inner { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr); gap: var(--space-6); }
.footer-brand img { height: 48px; width: auto; }
.footer-brand p { margin-top: var(--space-4); color: var(--on-dark-2); max-width: 36ch; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); gap: 0 40px; }
.footer-nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--on-dark-2); transition: color var(--t-fast) ease; }
.footer-nav a:hover { color: var(--on-dark); }
.footer-meta { color: var(--on-dark-2); font-size: 15px; display: flex; flex-direction: column; gap: 6px; }
.footer-mail { color: var(--gold-light); display: inline-flex; min-height: 44px; align-items: center; }
.footer-icp:empty { display: none; }
.to-top { color: var(--gold-light); min-height: 44px; display: inline-flex; align-items: center; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out); transition-delay: var(--d, 0ms); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .header-cta { display: none; }
  .nav a:not(.btn) { padding: 0 9px; }
  .method-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .frames { height: 380px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service { padding: var(--space-5) 0; }
  .platforms, .measure-layout, .contact-layout, .faq-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
  .measure-layout .section-head, .faq-layout .section-head { position: static; }
  .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: minmax(0, 1fr); }
  .frames { height: 340px; max-width: 560px; }
  .menu-toggle { display: inline-block; }
  .header-actions { margin-left: auto; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0; margin: 0; padding: var(--space-4) var(--gutter) var(--space-6);
    background: var(--cream); border-top: 1px solid var(--line);
    display: flex; flex-direction: column; gap: var(--space-4); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity var(--t-med) ease, transform var(--t-med) var(--ease-out), visibility 0s linear var(--t-med);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav a:not(.btn) { font-family: var(--font-display); font-size: 30px; text-transform: uppercase; min-height: 60px; padding: 0; border-bottom: 1px solid var(--line); width: 100%; color: var(--ink); }
  html[lang^="zh"] .nav a:not(.btn) { font-family: var(--font-body); font-size: 22px; }
  .nav a:not(.btn)::after { display: none; }
  .nav a.is-active { color: var(--gold-text); }
  .nav-cta-mobile { display: inline-flex; align-self: flex-start; }
  body.nav-open { overflow: hidden; }
  .site-header.menu-open { background: var(--cream); }
  .process { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .process-tabs { flex-direction: row; flex-wrap: wrap; gap: 0 18px; border-top: 0; border-bottom: 1px solid var(--line); }
  .process-tab { border-bottom: 0; padding: 0; min-height: 48px; gap: 8px; }
  .process-tab .idx { width: auto; }
  .process-cols { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  :root { --header-h: 64px; }
  body { font-size: 16px; }
  .brand img { height: 26px; }
  .brand-sub { display: none; }
  .hero { padding-top: calc(var(--header-h) + var(--space-5)); }
  .frames { height: 260px; }
  .hero-pillars { grid-template-columns: minmax(0, 1fr); margin-top: var(--space-6); }
  .deco-frame { display: none; }
  .hero-pillars li, .hero-pillars li + li { padding: var(--space-3) 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .hero-ctas .btn { flex: 1 1 auto; }
  .service-grid, .industry-grid, .method-list { grid-template-columns: minmax(0, 1fr); }
  .platform-row { grid-template-columns: minmax(0, 1fr); }
  .platform-services { grid-column: 1; }
  .field-grid, .choice-list, .choice-list-cols, .choice-pair { grid-template-columns: minmax(0, 1fr); }
  .form-actions .btn { flex: 1 1 auto; }
  .contact-info > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
  .faq-item .answer { padding-right: 0; }
  .partner-row { gap: var(--space-3) var(--space-5); }
  .partner-row li { font-size: 21px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  [data-speed] { transform: none !important; will-change: auto; }
  .marquee-track { animation: none; flex-wrap: wrap; width: 100%; justify-content: center; }
  .marquee-track .dup { display: none; }
  .js .marquee-toggle { display: none !important; }
}

/* Hero: single column, decorative frames removed */
.hero-layout { grid-template-columns: minmax(0, 1fr); }