:root {
  --paper: #fffefd;
  --wine: #9f2945;
  --wine-dark: #81223a;
  --ink: #292527;
  --muted: #746a70;
  --line: #e8e2e5;
  --rose: #f8f0f3;
  --mist: #f1f2f4;
  --display: "Songti SC", "STSong", "Noto Serif CJK SC", "SimSun", serif;
  --body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.8 var(--body); -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--wine); outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h2 { font: 500 clamp(32px, 3.3vw, 45px)/1.45 var(--display); letter-spacing: 2px; margin-bottom: 22px; }
h3 { font-size: 18px; font-weight: 550; margin-bottom: 10px; }
.container { width: min(1184px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: 12px; z-index: 100; padding: 8px 18px; background: var(--paper); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: #fffefdf2; backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-name { font: 700 29px/1.3 var(--display); letter-spacing: 5px; color: var(--wine); }
.brand-caption { font: 10px Georgia, serif; letter-spacing: 2px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 16px; margin-left: 5px; }
nav { display: flex; gap: 34px; margin-left: auto; margin-right: 36px; }
nav a { font-size: 13px; color: #5f555b; transition: color .18s; }
nav a:hover, .text-link:hover { color: var(--wine); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 28px; min-height: 54px; padding: 13px 27px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 500; line-height: 1.6; transition: background .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 21px; line-height: 1; }
.button-small { min-height: 41px; padding: 8px 19px; font-size: 12px; gap: 22px; }
.button-primary { color: white; background: var(--wine); }
.button-primary:hover { background: var(--wine-dark); }
.button-outline { color: var(--wine); background: transparent; border-color: #b87a8a; }
.button-outline:hover { background: var(--rose); }
.button-light { background: var(--paper); color: var(--wine); }
.button-light:hover { background: #f7e9ee; }
.eyebrow { color: var(--wine); font-size: 12px; font-weight: 500; letter-spacing: 2px; margin-bottom: 24px; }
.brand-dot { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--wine); vertical-align: 2px; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; padding-top: 62px; padding-bottom: 58px; align-items: center; }
.hero-copy { padding-bottom: 4px; }
h1 { font: 500 clamp(62px, 6.5vw, 86px)/1.32 var(--display); letter-spacing: 5px; margin-bottom: 25px; }
h1 em { font-style: normal; color: var(--wine); }
.hero-description { font-size: 15px; color: var(--muted); line-height: 2; margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.text-link { display: inline-flex; gap: 17px; align-items: center; border: 0; border-bottom: 1px solid #c9b1bb; border-radius: 0; background: transparent; padding: 6px 0; font-size: 12px; color: #5b4851; transition: color .18s; }
.text-link span { font-size: 17px; }
.hero-search { margin-top: 18px; font-size: 11px; color: #75636b; }
.hero-search strong { font-weight: 500; color: var(--wine); padding-left: 5px; }
.hero-search > span { color: #81777c; padding-left: 17px; margin-left: 17px; border-left: 1px solid var(--line); }
.hero-footnote { display: flex; align-items: center; gap: 10px; color: #8a7e84; font: 13px var(--display); letter-spacing: 2px; margin-top: 60px; }
.tiny-ear { font: 29px Georgia, serif; color: var(--wine); }
.demo { min-width: 0; scroll-margin-top: 112px; }
.demo-topline { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--wine); margin: 0 2px 13px; }
.demo-kind { color: #82747c; font-size: 10px; letter-spacing: 1px; }
.ear-stage { position: relative; background: var(--mist); border-radius: 50% 50% 6px 6px / 35% 35% 6px 6px; overflow: hidden; isolation: isolate; }
.stage-image { position: relative; width: 100%; aspect-ratio: 4 / 4.5; transition: transform .45s ease; }
.stage-image.is-mirrored { transform: scaleX(-1); }
.ear-base { position: absolute; width: 100%; height: 100%; object-fit: fill; mix-blend-mode: multiply; }
.jewelry-layer { position: absolute; inset: 0; }
.jewel { position: absolute; height: auto; filter: drop-shadow(1px 2px 1px #332d3550); pointer-events: none; }
.stage-label { position: absolute; font-size: 10px; letter-spacing: 1px; color: #72676c; pointer-events: none; }
.stage-label-top { top: 49%; left: 7%; writing-mode: vertical-rl; }
.stage-label-bottom { left: 26px; bottom: 24px; font: 10px Georgia, serif; letter-spacing: 2px; color: #787580; }
.stage-tools { display: flex; gap: 7px; position: absolute; right: 19px; bottom: 17px; }
.stage-tools button { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid #d9d6da; background: #fffefdeb; border-radius: 50%; font: 21px var(--body); color: #6e636b; }
.stage-tools button[aria-pressed="true"] { background: var(--wine); color: white; border-color: var(--wine); }
.style-selector { display: flex; justify-content: center; gap: 8px; margin-top: 18px; }
.style-choice { display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent; background: transparent; border-radius: 4px; padding: 7px 13px; color: #71636d; font-size: 11px; min-height: 38px; }
.style-choice:hover { background: var(--rose); }
.style-choice.is-active { border-color: #dcb9c4; color: var(--wine); background: #fcf5f7; }
.swatch { width: 11px; height: 11px; border-radius: 50%; display: inline-block; border: 1px solid #aaa2aa; }
.swatch-silver { background: linear-gradient(130deg, #f5f6f7 20%, #a8adb4 60%, #edf0f3); }
.swatch-pearl { background: #efe5d8; border-color: #d2c6b5; }
.swatch-bold { background: #60545f; border-color: #60545f; }
.demo-caption { font-size: 10px; color: #81777d; text-align: center; margin: 10px 0 0; }
.manifesto { border-block: 1px solid var(--line); }
.manifesto-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; font-size: 12px; color: #776870; }
.manifesto-inner > span:first-child { color: var(--wine); font-weight: 500; }
.manifesto-english { font: 10px Georgia, serif; letter-spacing: 2px; }
.section { padding-block: 100px; }
.section-heading { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0 70px; align-items: center; margin-bottom: 44px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 18px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p:last-child { color: var(--muted); font-size: 13px; line-height: 2; margin-bottom: 0; justify-self: end; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; }
.step { padding-top: 19px; border-top: 1px solid #d9cbd2; }
.step-number { font-size: 10px; color: var(--wine); letter-spacing: 1px; }
.step-visual { display: flex; align-items: center; justify-content: center; position: relative; height: 154px; margin: 18px 0 27px; background: #f6f5f6; }
.step p { color: var(--muted); font-size: 12px; line-height: 2; margin: 0; }
.collection-visual { gap: 6px; }
.mini-tile, .add-tile { width: 57px; height: 66px; background: var(--paper); display: grid; place-items: center; border-radius: 4px; border: 1px solid #e8e3e7; }
.mini-tile img { width: 37px; height: 37px; object-fit: contain; }
.mini-tile:nth-child(2) { transform: translateY(-12px); }
.mini-tile:nth-child(3) { transform: translateY(9px); }
.add-tile { border: 1px dashed #c7abb7; background: transparent; color: #af7c8d; font-size: 23px; }
.selection-outline { width: 72px; height: 72px; position: relative; display: grid; place-items: center; border: 1px solid var(--wine); transform: rotate(-15deg); margin-top: -10px; }
.selection-outline > img { width: 51px; height: 51px; object-fit: contain; }
.selection-outline > i { position: absolute; width: 6px; height: 6px; border: 1px solid var(--wine); background: white; }
.selection-outline > i:nth-of-type(1) { left: -3px; top: -3px; }
.selection-outline > i:nth-of-type(2) { right: -3px; top: -3px; }
.selection-outline > i:nth-of-type(3) { left: -3px; bottom: -3px; }
.selection-outline > i:nth-of-type(4) { right: -3px; bottom: -3px; }
.placement-arrow { font-size: 30px; color: #9f294575; margin-left: 17px; margin-top: -33px; }
.visual-caption { position: absolute; bottom: 12px; font-size: 9px; color: #887780; letter-spacing: 3px; }
.compare-visual { gap: 17px; }
.little-ear { position: relative; width: 72px; height: 103px; margin-top: -14px; border-radius: 3px; overflow: hidden; }
.little-ear:nth-child(2) { transform: scaleX(-1); }
.little-ear > img:first-child { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.little-ear > .little-jewel { position: absolute; left: 48%; top: 72%; width: 12px; height: 12px; }
.compare-caption { position: absolute; bottom: 11px; color: #887780; font-size: 9px; letter-spacing: 5px; }
.collection-section { background: var(--rose); padding-block: 85px; }
.collection-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 108px; align-items: center; }
.jewelry-box { padding: 27px; border: 1px solid #e3d5dd; background: #fffefd9e; border-radius: 7px; transform: rotate(-2deg); box-shadow: 8px 13px 0 #e9dde350; }
.box-heading { display: flex; justify-content: space-between; gap: 15px; align-items: center; font-size: 12px; color: #775965; margin-bottom: 22px; }
.box-heading > span:last-child { font-size: 9px; color: #8b7981; }
.box-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.box-grid > div { display: grid; place-items: center; background: var(--paper); border: 1px solid #eee6eb; padding: 18px 8px 12px; border-radius: 4px; }
.box-grid img { width: 56px; height: 56px; object-fit: contain; }
.box-grid span { font-size: 9px; color: #94818c; margin-top: 15px; }
.box-caption { font-size: 9px; color: #8c7c85; text-align: center; margin: 18px 0 0; }
.collection-copy > p:not(.eyebrow) { color: var(--muted); font-size: 13px; line-height: 2; margin-bottom: 22px; }
.quiet-list { list-style: none; padding: 0; font-size: 12px; color: #6c5b65; line-height: 2.5; margin: 0 0 25px; }
.quiet-list li::before { content: "✓"; font-size: 12px; color: var(--wine); margin-right: 12px; }
.collection-copy .text-link { font-size: 12px; color: var(--wine); }
.faq-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.faq-intro > p:last-child { color: var(--muted); font-size: 12px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 0 0 2px; }
.faq-list summary { list-style: none; cursor: pointer; font-size: 13px; font-weight: 500; padding: 21px 30px 21px 0; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 3px; top: 16px; font: 24px Georgia, serif; color: #a17a8b; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details > p { color: var(--muted); font-size: 12px; line-height: 2; padding-right: 20px; margin: -3px 0 22px; }
.closing-section { background: var(--wine); color: white; padding-block: 62px 67px; text-align: center; }
.closing-inner { display: flex; flex-direction: column; align-items: center; }
.closing-inner > img { filter: brightness(0) invert(1); margin-bottom: 18px; opacity: .85; }
.closing-inner > p { font-size: 11px; color: #f2d8e0; letter-spacing: 3px; margin-bottom: 13px; }
.closing-inner > h2 { font-size: 40px; letter-spacing: 4px; margin-bottom: 30px; }
.closing-hint { font-size: 10px; color: #e6bbc8; letter-spacing: 1px; margin-top: 18px; }
.site-footer { min-height: 109px; display: flex; gap: 25px; align-items: center; }
.footer-brand { gap: 8px; }
.footer-brand .brand-name { font-size: 23px; }
.site-footer > p { font-size: 11px; color: #83757e; margin: 0; }
.site-footer > span { margin-left: auto; font-size: 10px; color: #8a7b85; }
dialog { width: min(450px, calc(100% - 36px)); border: 1px solid #e5d6de; border-radius: 12px; padding: 42px 27px 25px; background: var(--paper); text-align: center; color: var(--ink); box-shadow: 0 20px 100px #30162030; }
dialog::backdrop { background: #30232a66; backdrop-filter: blur(5px); }
.dialog-close { width: 34px; height: 34px; display: grid; place-items: center; position: absolute; top: 12px; right: 14px; border: 0; background: transparent; color: #927b86; font-size: 28px; }
.dialog-logo { margin: 0 auto 21px; }
dialog .eyebrow { margin-bottom: 14px; font-size: 10px; }
dialog h2 { font-size: 30px; margin-bottom: 20px; }
dialog > p:not(.eyebrow):not(.copy-feedback) { font-size: 12px; line-height: 2; color: var(--muted); margin-bottom: 25px; }
.copy-feedback { min-height: 20px; font-size: 10px; color: #8b6f7e; margin: 15px 0 0; }
@media (min-width: 1400px) { .hero { gap: 84px; } }
@media (max-width: 1000px) {
  .container { width: calc(100% - 64px); }
  .brand-caption { display: none; }
  nav { gap: 24px; margin-right: 10px; }
  .hero { gap: 30px; padding-top: 46px; }
  h1 { font-size: 66px; }
  .hero-description { font-size: 13px; }
  .hero-actions { gap: 15px; }
  .hero-actions .button { gap: 15px; padding-inline: 20px; }
  .hero-footnote { margin-top: 35px; }
  .style-choice { padding: 6px 9px; gap: 5px; font-size: 10px; }
  .collection-layout { gap: 60px; }
  .steps { gap: 24px; }
  .mini-tile, .add-tile { width: 44px; height: 55px; }
  .mini-tile img { width: 30px; height: 30px; }
  .step h3 { font-size: 16px; }
  .step p { font-size: 11px; }
  .faq-section { gap: 60px; }
}
@media (max-width: 740px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; gap: 14px; }
  .brand-name { font-size: 26px; }
  .brand > img { width: 25px; height: 30px; }
  nav { display: none; }
  .button-small { min-height: 38px; padding: 7px 13px; gap: 13px; }
  .hero { grid-template-columns: 1fr; gap: 39px; padding-top: 43px; padding-bottom: 35px; }
  .hero-copy { text-align: center; }
  .hero .eyebrow { font-size: 10px; margin-bottom: 20px; letter-spacing: 1.5px; }
  h1 { font-size: clamp(56px, 13vw, 78px); line-height: 1.3; letter-spacing: 3px; margin-bottom: 20px; }
  .hero-description { font-size: 12px; margin-bottom: 24px; }
  .hero-actions { justify-content: center; gap: 20px; }
  .hero-actions .button { min-height: 48px; padding: 12px 19px; font-size: 12px; gap: 15px; }
  .hero-actions .text-link { font-size: 10px; gap: 10px; }
  .hero-search { margin-top: 16px; font-size: 10px; }
  .hero-search > span { padding-left: 10px; margin-left: 10px; }
  .hero-footnote { display: none; }
  .demo { width: min(420px, 100%); margin-inline: auto; }
  .demo-topline { font-size: 11px; }
  .stage-image { aspect-ratio: 4 / 4.3; }
  .stage-label-top { font-size: 9px; }
  .style-selector { gap: 6px; margin-top: 14px; }
  .style-choice { min-height: 40px; padding: 6px 13px; font-size: 11px; gap: 7px; }
  .demo-caption { font-size: 9px; }
  .manifesto-inner { min-height: 64px; gap: 10px; justify-content: center; font-size: 10px; }
  .manifesto-english { display: none; }
  .manifesto-inner > span + span::before { content: "/"; color: #c2b1ba; margin-right: 10px; }
  .section { padding-block: 65px; }
  h2 { font-size: 32px; letter-spacing: 1px; }
  .section-heading { display: block; margin-bottom: 31px; }
  .section-heading .eyebrow { margin-bottom: 16px; }
  .section-heading h2 { margin-bottom: 20px; }
  .section-heading > p:last-child { font-size: 12px; }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step { display: grid; grid-template-columns: 1fr 132px; gap: 0 15px; padding-top: 19px; align-items: start; }
  .step-number { grid-column: 1; margin-bottom: 12px; font-size: 9px; }
  .step h3 { grid-column: 1; font-size: 15px; margin-bottom: 7px; }
  .step p { grid-column: 1; font-size: 11px; }
  .step p br { display: none; }
  .step-visual { grid-column: 2; grid-row: 1 / 4; height: 132px; width: 132px; margin: 0; }
  .collection-visual { display: grid; grid-template-columns: repeat(2, 40px); gap: 7px; align-content: center; }
  .mini-tile, .add-tile { width: 40px; height: 45px; }
  .mini-tile:nth-child(n) { transform: none; }
  .mini-tile img { width: 26px; height: 26px; }
  .selection-outline { width: 55px; height: 55px; }
  .selection-outline > img { width: 40px; height: 40px; }
  .placement-arrow { margin-left: 8px; font-size: 20px; }
  .visual-caption { letter-spacing: 1px; font-size: 8px; bottom: 10px; }
  .compare-visual { gap: 7px; }
  .little-ear { width: 50px; height: 83px; }
  .little-ear > .little-jewel { width: 9px; height: 9px; }
  .compare-caption { bottom: 11px; font-size: 8px; letter-spacing: 2px; }
  .collection-section { padding-block: 65px; }
  .collection-layout { grid-template-columns: 1fr; gap: 43px; }
  .collection-copy { grid-row: 1; }
  .collection-copy .eyebrow { font-size: 11px; margin-bottom: 18px; }
  .collection-copy h2 { margin-bottom: 18px; }
  .collection-copy > p:not(.eyebrow) { font-size: 12px; }
  .jewelry-box { padding: 22px; max-width: 440px; width: calc(100% - 12px); margin-inline: auto; }
  .box-grid img { width: 50px; height: 50px; }
  .box-grid { gap: 10px; }
  .box-heading > span:last-child { font-size: 8px; }
  .faq-section { grid-template-columns: 1fr; gap: 26px; }
  .faq-intro .eyebrow { margin-bottom: 15px; font-size: 11px; }
  .faq-intro h2 { margin-bottom: 12px; }
  .faq-list summary { font-size: 12px; }
  .faq-list details > p { font-size: 11px; }
  .closing-section { padding-block: 50px; }
  .closing-inner > h2 { font-size: 31px; letter-spacing: 2px; }
  .closing-inner > p { font-size: 10px; letter-spacing: 2px; }
  .closing-inner .button { font-size: 12px; }
  .site-footer { min-height: 90px; flex-wrap: wrap; gap: 10px 15px; }
  .footer-brand .brand-name { font-size: 21px; }
  .footer-brand > img { width: 21px; height: 25px; }
  .site-footer > p { font-size: 10px; }
  .site-footer > span { font-size: 9px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 30px); }
  .hero-actions { gap: 13px; }
  .hero-actions .button { padding-inline: 14px; }
  .hero-search > span { display: none; }
  .style-choice { padding-inline: 9px; font-size: 10px; }
  .step { grid-template-columns: 1fr 112px; gap: 0 10px; }
  .step-visual { width: 112px; height: 125px; }
  .step h3 { font-size: 13px; }
  .box-heading { flex-wrap: wrap; gap: 3px; }
  .box-grid > div { padding: 13px 4px 9px; }
  .box-grid img { width: 40px; height: 40px; }
  .site-footer > p { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}