:root {
  --paper: #f3f0e8;
  --paper-2: #e7e2d6;
  --ink: #16141c;
  --muted: #6d6874;
  --line: rgba(22, 20, 28, .12);
  --card: #fffcf7;
  --accent: #4338ca;
  --night: #12110e;
  --night-2: #1c1a16;
  --max: 1120px;
  --display: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", "Sarasa Mono SC", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background:
    radial-gradient(720px 420px at 100% -8%, rgba(67, 56, 202, .07), transparent 62%),
    var(--paper);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(20px, 4vw, 48px);
  background: rgba(243, 240, 232, .94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0;
  font-weight: 700; letter-spacing: -.03em; font-size: 1.05rem;
}
.brand img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.nav-links {
  display: flex; gap: 22px; align-items: center;
  font-size: .88rem; color: var(--muted);
}
.nav-links a:hover, .nav-links a.is-current { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 16px; border-radius: 999px;
  background: var(--ink); color: #f6f3ec !important; font-weight: 700;
}
.nav-cta:hover { background: var(--accent); }
.nav-cta-bar, .nav-check, .nav-menu-btn { display: none; }
.nav-menu-btn {
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card);
  align-items: center; justify-content: center; cursor: pointer;
}
.nav-menu-btn span, .nav-menu-btn span::before, .nav-menu-btn span::after {
  display: block; width: 16px; height: 1.5px; background: var(--ink); position: relative;
}
.nav-menu-btn span::before, .nav-menu-btn span::after { content: ""; position: absolute; left: 0; }
.nav-menu-btn span::before { top: -5px; }
.nav-menu-btn span::after { top: 5px; }
@media (max-width: 760px) {
  .nav { display: grid; grid-template-columns: 1fr auto auto; padding: 10px 16px; }
  .nav-cta-bar { display: inline-flex; padding: 8px 14px; font-size: .8rem; }
  .nav-menu-btn { display: inline-flex; }
  .nav-check { position: absolute; opacity: 0; pointer-events: none; }
  .nav-links {
    display: none; grid-column: 1 / -1; flex-direction: column; align-items: stretch;
    gap: 0; padding-top: 6px;
  }
  .nav-links a { display: block; padding: 12px 2px; border-top: 1px solid var(--line); }
  .nav-links .nav-cta { display: none; }
  .nav:has(.nav-check:checked) .nav-links { display: flex; }
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
section { padding: 76px 0; }
section.compact { padding: 8px 0 28px; }
.kicker, .sec-label {
  font-family: var(--mono);
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.sec-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  letter-spacing: -.03em; line-height: 1.2; margin-bottom: 12px;
}
.sec-desc { color: var(--muted); max-width: 40em; margin-bottom: 36px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 999px; font-weight: 700; font-size: .92rem;
  border: 1px solid transparent; transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-fill { background: var(--ink); color: #f6f3ec; }
.btn-fill:hover { background: var(--accent); }
.btn-line { border-color: rgba(22, 20, 28, .28); background: transparent; color: var(--ink); }
.btn-line:hover { border-color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 48px; align-items: center;
  padding: 28px clamp(20px, 4vw, 48px) 72px;
  max-width: calc(var(--max) + 64px); margin: 0 auto;
}
h1.display {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.25; letter-spacing: -.03em; margin-bottom: 18px;
}
.lead { font-size: 1.12rem; font-weight: 500; margin-bottom: 10px; }
.sub { color: var(--muted); max-width: 36em; margin-bottom: 22px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.pill {
  font-family: var(--mono);
  font-size: .72rem; letter-spacing: .02em;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
}

.stage { position: relative; }
.stage-card {
  position: relative;
  height: 560px;
  border-radius: 32px;
  background: #050504;
  overflow: hidden;
}
.ticks {
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  right: -8%;
  top: 7%;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(246, 243, 236, .75) 0 1deg, transparent 1deg 30deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 9px), #000 calc(100% - 8px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 9px), #000 calc(100% - 8px));
  opacity: .55;
  pointer-events: none;
}
.dial-watch {
  position: absolute;
  width: 104%;
  height: auto;
  aspect-ratio: 1;
  max-width: none;
  right: -20%;
  top: 2%;
  pointer-events: none;
  user-select: none;
}
.float-phones {
  position: absolute;
  left: 16px;
  bottom: 28px;
  display: flex;
  align-items: flex-end;
  z-index: 2;
}
.device {
  width: 148px;
  padding: 7px;
  border-radius: 24px;
  background: #0e0d0b;
  box-shadow: 0 18px 36px rgba(0, 0, 0, .38);
  line-height: 0;
}
.device img { width: 100%; height: auto; border-radius: 18px; }
.device-back { transform: rotate(-8deg); margin-right: -28px; }
.device-front { transform: rotate(5deg); position: relative; z-index: 1; }
.shot-note { margin-top: 12px; font-size: .72rem; color: var(--muted); }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stats article { padding: 22px 18px 22px 0; }
.stats article + article { padding-left: 18px; border-left: 1px solid var(--line); }
.stats b { display: block; font-family: var(--display); font-weight: 600; font-size: 1.25rem; margin-bottom: 4px; }
.stats span { color: var(--muted); font-size: .86rem; }

.showcase {
  display: grid; grid-template-columns: 1.15fr .72fr; gap: 48px; align-items: start;
  margin-bottom: 8px;
}
.showcase .num, .trio .num, .tile .num {
  font-family: var(--mono); color: var(--accent); font-size: .75rem; letter-spacing: .12em;
  display: block; margin-bottom: 12px;
}
.showcase h3, .trio h3, .tile h3 {
  font-family: var(--display); font-weight: 600; font-size: 1.45rem; margin-bottom: 10px; line-height: 1.3;
}
.showcase p, .trio p, .tile p { color: var(--muted); font-size: .95rem; }
.device-lg {
  width: min(100%, 250px); margin-left: auto; margin-top: 8px;
  border-radius: 32px; padding: 10px; overflow: hidden;
}
.device-lg img { border-radius: 24px; height: 520px; object-fit: cover; object-position: top; }
.stack article {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.stack h3 { font-size: 1.15rem; }
.trio {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line); margin-top: 28px;
}
.trio article { padding: 28px 28px 4px 0; }
.trio article + article { padding-left: 28px; border-left: 1px solid var(--line); }
.trio h3 { font-size: 1.15rem; }

.bento { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tile {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px 22px;
}
.tile.wide { grid-column: 1 / 2; grid-row: 1 / 3; }

.atelier { background: #050504; color: #f4f0e8; }
.atelier .sec-label { color: #c4b5fd; }
.atelier .sec-desc, .atelier .lineup span { color: rgba(244, 240, 232, .62); }
.atelier-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center;
}
.watch-pair {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-items: end;
}
.watch-pair img { width: 100%; height: auto; }
.lineup {
  list-style: none;
  display: grid; grid-template-columns: 1fr 1fr;
  margin: 8px 0 28px;
}
.lineup li {
  padding: 14px 16px 14px 0;
  border-top: 1px solid rgba(244, 240, 232, .14);
}
.lineup em {
  font-family: var(--mono); font-style: normal; font-size: .72rem;
  color: rgba(244, 240, 232, .45); display: block; margin-bottom: 4px;
}
.lineup strong { display: block; font-size: .95rem; font-weight: 600; }
.lineup span { display: block; font-size: .8rem; margin-top: 2px; }
.atelier .btn-fill { background: #f4f0e8; color: var(--night); }
.atelier .btn-fill:hover { background: #fff; }
.atelier .btn-line { border-color: rgba(244, 240, 232, .35); color: #f4f0e8; }
.atelier .btn-line:hover { border-color: #fff; }

.models { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.model {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 16px 14px; min-height: 88px;
}
.model strong { display: block; font-size: .92rem; margin-bottom: 4px; }
.model span { color: var(--muted); font-size: .78rem; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { padding: 20px 22px 0 0; border-top: 1px solid var(--line); }
.step + .step { padding-left: 22px; }
.step i {
  display: block; font-family: var(--display); font-style: normal; font-weight: 600;
  font-size: 1.35rem; color: var(--accent); margin-bottom: 12px;
}
.step h3 { font-size: 1.02rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: .88rem; }

.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin-top: 10px; font-size: .94rem; max-width: 68ch; }

.ink { background: var(--night); color: #f4f0e8; }
.ink .sec-label { color: #c4b5fd; }
.ink .sec-desc, .ink p, .ink .tile p, .ink .step p, .ink .model span, .ink .ol span { color: rgba(244, 240, 232, .68); }
.ink .tile, .ink .step, .ink .model, .ink .ol li { background: var(--night-2); border-color: rgba(244, 240, 232, .12); }
.ink .btn-fill { background: #f4f0e8; color: var(--night); }
.ink .btn-fill:hover { background: #fff; }
.ink .btn-line { border-color: rgba(244, 240, 232, .4); color: #f4f0e8; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--line);
}
.contact-grid article { padding: 28px 28px 8px 0; }
.contact-grid article + article { padding-left: 28px; border-left: 1px solid var(--line); }
.contact-grid h3 { font-family: var(--display); font-weight: 600; font-size: 1.35rem; margin-bottom: 8px; }
.contact-grid p { color: var(--muted); }
.contact-grid a { text-decoration: underline; text-underline-offset: 3px; }

.dl {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px clamp(20px, 4vw, 48px) 88px;
}
.dl-inner {
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
.dl h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.03em; margin-bottom: 12px;
}
.dl p { color: var(--muted); margin-bottom: 22px; max-width: 52ch; }
.dl .fine-link { margin-top: 16px; font-size: .84rem; }
.dl .fine-link a { text-decoration: underline; text-underline-offset: 3px; }

.page-hero { padding: 56px 0 8px; }
.page-hero h1 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -.03em; line-height: 1.15; margin-bottom: 14px;
}
.guide-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.ol { list-style: none; counter-reset: g; }
.ol li {
  counter-increment: g; position: relative;
  padding: 18px 18px 18px 64px; margin-bottom: 12px;
  border-radius: 16px; border: 1px solid var(--line); background: var(--card);
}
.ol li::before {
  content: counter(g, decimal-leading-zero);
  position: absolute; left: 18px; top: 18px;
  font-family: var(--mono); font-size: .78rem; color: var(--accent);
}
.ol strong { display: block; margin-bottom: 4px; }
.ol span { color: var(--muted); font-size: .9rem; }

footer {
  padding: 28px clamp(20px, 4vw, 48px) 40px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem;
}
.ft {
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between;
  max-width: var(--max); margin: 0 auto 16px;
}
.ft nav { display: flex; flex-wrap: wrap; gap: 8px 16px; }
footer a:hover { color: var(--ink); }
.fine { max-width: var(--max); margin: 0 auto; padding-top: 14px; border-top: 1px solid var(--line); font-size: .76rem; }
.fine p { margin-bottom: 6px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 12px 16px 48px; }
  .stage-card { height: 460px; }
  .dial-watch { width: 100%; right: -16%; }
  .device { width: 124px; }
  .bento, .models, .guide-grid, .atelier-grid, .showcase { grid-template-columns: 1fr; }
  .tile.wide { grid-column: auto; grid-row: auto; }
  .device-lg { margin: 28px auto 0; }
  .device-lg img { height: 420px; }
  .stats, .steps, .trio { grid-template-columns: 1fr 1fr; }
  .stats article:nth-child(odd) { padding-left: 0; border-left: 0; }
  .stats article:nth-child(3), .stats article:nth-child(4) { border-top: 1px solid var(--line); }
  .trio article:nth-child(3) { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .step:nth-child(odd) { padding-left: 0; }
  .step:nth-child(n + 3) { margin-top: 18px; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  h1.display { font-size: 1.85rem; }
  .stage-card { height: 390px; border-radius: 24px; }
  .float-phones { left: 10px; bottom: 16px; }
  .device { width: 108px; border-radius: 18px; padding: 5px; }
  .device-lg { width: min(72vw, 230px); border-radius: 28px; }
  .device-lg img { height: 440px; border-radius: 22px; }
  .device img { border-radius: 14px; }
  .stats, .steps, .trio, .lineup, .contact-grid, .watch-pair { grid-template-columns: 1fr; }
  .stats article, .stats article + article,
  .trio article, .trio article + article,
  .step, .step + .step,
  .contact-grid article, .contact-grid article + article {
    padding-left: 0; border-left: 0;
  }
  .stats article + article, .trio article + article, .contact-grid article + article { border-top: 1px solid var(--line); }
  .step + .step { margin-top: 22px; }
  .lineup li { padding-right: 0; }
  .wrap { padding: 0 16px; }
  .dl { padding-bottom: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* WearHub 2026-10-25: shared marketing and help-page palette. */
:root{--paper:#f8f8f5;--paper-2:#eeeaf5;--ink:#211a35;--muted:#74717f;--line:#e5e3e9;--card:#fff;--accent:#7045df;--rust:#7045df;--display:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--body:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--font-display:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--font-body:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:ui-monospace,monospace}
body{background:var(--paper)}.nav,.legal-nav{background:rgba(248,248,245,.95)}.nav-cta,.guide-cta{background:var(--accent,var(--rust));color:#fff!important;border-color:var(--accent,var(--rust));border-radius:10px}.guide-cta.ghost{background:transparent;color:var(--ink)!important;border-color:var(--line)}.brand img,.legal-nav-brand img{border-radius:10px}.guide-steps li{background:#fff}.legal-main h1{letter-spacing:-1.5px}.legal-main a:focus-visible{outline:3px solid #7045df;outline-offset:4px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}