:root {
  --ink: #1a1c1e;
  --ink-soft: #24272a;
  --paper: #f4f4f1;
  --paper-bright: #fbfbf9;
  --line: rgba(26, 28, 30, 0.12);
  --muted: #62686c;
  --blue: #526876;
  --blue-bright: #a9bbc5;
  --green: #4f8d73;
  --display: "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;
  --sans: "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
  --shell: min(1180px, calc(100% - 48px));
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-weight: 400; line-height: 1.7; -webkit-font-smoothing: auto; }
h1, h2, h3 { text-wrap: balance; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
strong { font-weight: 600; }
.section-shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100; padding: 8px 14px; color: white; background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 30; display: flex; align-items: center; justify-content: space-between; width: 100%; height: 76px; padding-inline: max(24px, calc((100% - 1180px) / 2)); transition: background .3s ease, border-color .3s ease; border-bottom: 1px solid transparent; }
.site-header[data-scrolled] { background: rgba(243, 241, 235, .9); border-color: var(--line); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 15px; font-weight: 600; letter-spacing: -.02em; }
.brand img { border-radius: 9px; }
.site-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; color: #41474b; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--blue); }
.site-nav .nav-download { padding: 9px 18px; color: white; background: var(--ink); border-radius: 100px; }
.site-nav .nav-download:hover { color: white; background: var(--blue); }
.nav-toggle { display: none; width: 40px; height: 40px; padding: 0; background: none; border: 0; }
.nav-toggle span { display: block; width: 20px; height: 1px; margin: 6px auto; background: currentColor; transition: transform .2s ease; }

.hero { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; min-height: 100svh; padding-top: 96px; padding-bottom: 44px; overflow: hidden; }
.hero-copy { position: relative; z-index: 2; padding: 60px 0 80px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 23px; color: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow > span { width: 24px; height: 1px; background: currentColor; }
.hero h1, .guide-hero h1 { max-width: 720px; margin: 0; font-family: var(--display); font-size: clamp(58px, 5.8vw, 84px); font-weight: 400; line-height: 1.08; letter-spacing: -.045em; }
.hero h1 em, .guide-hero h1 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 510px; margin: 36px 0 0; color: #53606a; font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 36px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 20px; padding: 0 22px; border: 1px solid transparent; border-radius: 100px; font-size: 13px; font-weight: 600; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: var(--blue); }
.button-primary svg { width: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.button-quiet { border-color: var(--line); }
.button-quiet:hover { border-color: var(--blue); }
.hero-meta { margin-top: 21px; color: #8b9297; font-family: var(--mono); font-size: 10px; letter-spacing: .03em; }

.hero-visual { position: relative; min-height: 620px; }
.hero-visual::before { position: absolute; inset: 3% -14% 0 5%; content: ""; border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(88, 123, 147, .22), rgba(88, 123, 147, 0) 67%); }
.app-window { position: absolute; top: 5%; left: 18%; z-index: 3; width: 60%; min-width: 320px; overflow: hidden; background: white; border: 1px solid rgba(16, 24, 32, .18); border-radius: 18px; box-shadow: 0 34px 80px rgba(26, 39, 49, .21), 0 3px 12px rgba(26, 39, 49, .09); transform: rotate(1.2deg); }
.app-window img { width: 100%; }
.window-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #f2f2ef; border-bottom: 1px solid #ddd; }
.window-bar span { width: 7px; height: 7px; border-radius: 50%; background: #b9b9b5; }
.window-bar b { margin-left: auto; color: #858681; font-family: var(--mono); font-size: 8px; font-weight: 400; letter-spacing: .04em; }
.delivery-card { position: absolute; right: 0; bottom: 16%; z-index: 5; display: flex; align-items: center; gap: 12px; min-width: 244px; padding: 15px 17px; color: white; background: rgba(16, 24, 32, .94); border: 1px solid rgba(255,255,255,.12); border-radius: 11px; box-shadow: 0 20px 45px rgba(16, 24, 32, .26); backdrop-filter: blur(12px); }
.delivery-icon { display: grid; width: 27px; height: 27px; place-items: center; color: #d8eee4; background: var(--green); border-radius: 50%; font-size: 12px; }
.delivery-card b, .delivery-card small { display: block; }
.delivery-card b { font-size: 12px; font-weight: 600; }
.delivery-card small { margin-top: 1px; color: rgba(255,255,255,.55); font-size: 9px; }
.route { position: absolute; inset: 0; z-index: 1; }
.route svg { width: 100%; height: 100%; overflow: visible; }
.route path { fill: none; stroke: rgba(88, 123, 147, .45); stroke-width: 1; stroke-dasharray: 5 8; }
.plane-mark { position: absolute; top: 3%; right: 4%; z-index: 2; width: 44px; color: var(--blue); transform: rotate(9deg); }
.plane-mark path { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.1; }
.signal { position: absolute; border: 1px solid rgba(88, 123, 147, .22); border-radius: 50%; }
.signal-one { top: 30%; left: 4%; width: 400px; height: 400px; }
.signal-two { top: 36%; left: 10%; width: 320px; height: 320px; }

.film { padding: 96px 0 72px; background: transparent; }
.film-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 88px; padding: 70px; overflow: hidden; background: #e8eae9; border: 1px solid rgba(26,28,30,.08); border-radius: 26px; }
.film-copy h2 { margin: 0; font-size: clamp(42px, 4.6vw, 64px); font-weight: 400; line-height: 1.15; letter-spacing: -.04em; }
.film-copy > p:not(.eyebrow) { max-width: 430px; margin: 30px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.film-stage { position: relative; display: grid; justify-items: center; padding: 38px; background: rgba(255,255,255,.46); border: 1px solid rgba(26,28,30,.1); }
.film-stage::before { position: absolute; inset: 18px; pointer-events: none; border: 1px solid rgba(26,28,30,.08); content: ""; }
.film-stage video { position: relative; z-index: 1; width: min(100%, 440px); aspect-ratio: 3 / 4; object-fit: cover; background: #eef4f5; border-radius: 4px; box-shadow: 0 28px 70px rgba(26,28,30,.16); }

.workflow { padding: 86px 0 126px; }
.section-heading { display: grid; grid-template-columns: .35fr .75fr .55fr; gap: 38px; align-items: start; }
.section-heading .eyebrow { margin-top: 14px; }
.section-heading h2, .detail-copy h2, .privacy-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(40px, 4vw, 58px); font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.section-heading > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.workflow .section-heading { grid-template-columns: 180px minmax(0, 640px); }
.workflow .section-heading > p:last-child { grid-column: 2; max-width: 520px; margin-top: -10px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 0; margin: 76px 0 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step { position: relative; min-height: 300px; padding: 30px 38px 34px 0; border-right: 1px solid var(--line); }
.step + .step { padding-left: 38px; }
.step:last-child { border-right: 0; }
.step-number { display: block; color: #abb1b3; font-family: var(--display); font-size: 38px; font-weight: 600; letter-spacing: -.05em; }
.step h3 { margin: 72px 0 14px; font-family: var(--display); font-size: 24px; font-weight: 500; }
.step p { max-width: 290px; margin: 0; color: var(--muted); font-size: 13px; }

.editors { padding: 124px 0; color: white; background: #272a2c; }
.section-heading-light { grid-template-columns: .35fr 1.3fr; }
.section-heading-light .eyebrow { color: var(--blue-bright); }
.section-heading-light h2 { max-width: 780px; }
.editor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 95px; }
.editor-card { min-height: 440px; padding: 31px; color: white; background: #303437; border: 1px solid rgba(255,255,255,.09); transition: transform .25s ease, border-color .25s ease; }
.editor-card:hover { border-color: rgba(129,168,192,.45); transform: translateY(-5px); }
.editor-top { display: flex; align-items: center; }
.editor-top small { color: rgba(255,255,255,.48); font-family: var(--mono); font-size: 9px; letter-spacing: .04em; }
.editor-card h3 { max-width: 270px; margin: 72px 0 20px; font-family: var(--display); font-size: 24px; font-weight: 500; line-height: 1.4; }
.editor-card p, .editor-card li { color: rgba(255,255,255,.56); font-size: 12px; }
.editor-card ul { padding: 26px 0 0; margin: 28px 0 0; border-top: 1px solid rgba(255,255,255,.09); list-style: none; }
.editor-card li { margin-top: 7px; }
.editor-card li::before { margin-right: 8px; color: var(--blue-bright); content: "-"; }

.product-detail { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 96px; padding: 124px 0 116px; }
.detail-visual { position: relative; min-height: 680px; }
.detail-visual::before { position: absolute; inset: 7% 0 4% 10%; content: ""; background: linear-gradient(145deg, rgba(82,104,118,.09), rgba(255,255,255,.22)); border: 1px solid var(--line); }
.detail-frame { position: absolute; top: 0; left: 4%; z-index: 1; width: 78%; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 35px 70px rgba(16,24,32,.16); }
.detail-copy .eyebrow { margin-bottom: 26px; }
.detail-list { margin-top: 68px; border-top: 1px solid var(--line); }
.detail-list article { padding: 24px 0; border-bottom: 1px solid var(--line); }
.detail-list h3 { margin: 0 0 5px; font-size: 14px; font-weight: 500; }
.detail-list p { margin: 0; color: var(--muted); font-size: 12px; }

.privacy { padding: 18px 0 112px; color: var(--ink); background: transparent; }
.privacy-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 80px; padding: 78px; background: #e7eae9; border: 1px solid rgba(26,28,30,.08); border-radius: 24px; }
.privacy-copy .eyebrow { color: var(--blue); }
.privacy-copy > p:not(.eyebrow) { max-width: 470px; margin: 30px 0 0; color: var(--muted); font-size: 13px; }
.text-link { display: inline-flex; gap: 18px; margin-top: 32px; color: var(--blue); font-size: 12px; border-bottom: 1px solid rgba(82,104,118,.35); }
.privacy-map { display: grid; grid-template-columns: 1fr .65fr 1fr .65fr 1fr; align-items: center; }
.map-node { display: flex; min-height: 180px; flex-direction: column; justify-content: space-between; padding: 19px; background: rgba(255,255,255,.3); border: 1px solid rgba(26,28,30,.15); }
.map-node span { color: #90979b; font-family: var(--mono); font-size: 9px; }
.map-node b { font-family: var(--display); font-size: 18px; font-weight: 500; }
.map-node small { color: #777e82; font-size: 9px; }
.map-node-accent { background: rgba(255,255,255,.72); }
.map-line { position: relative; color: #8a9296; text-align: center; }
.map-line i { display: block; height: 1px; background: rgba(26,28,30,.2); }
.map-line i::after { float: right; margin-top: -3px; border: 3px solid transparent; border-left-color: rgba(26,28,30,.35); content: ""; }
.map-line small { font-size: 8px; }

.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; padding: 112px 0; }
.faq .section-heading { display: block; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details, .guide-content details { border-bottom: 1px solid var(--line); }
.faq-list summary, .guide-content details summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 23px 0; font-size: 14px; font-weight: 500; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--blue); font-size: 20px; font-weight: 300; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p, .guide-content details p { margin: -5px 50px 24px 0; color: var(--muted); font-size: 13px; }

.support-invite { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 80px; padding: 62px 70px; margin-bottom: 120px; color: white; background: #272a2c; }
.support-invite .eyebrow { color: var(--blue-bright); }
.support-invite h2 { max-width: 720px; margin: 0; font-family: var(--display); font-size: clamp(36px, 4vw, 54px); font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.support-invite p:not(.eyebrow) { max-width: 630px; margin: 22px 0 0; color: rgba(255,255,255,.58); font-size: 13px; }
.support-invite .button { color: var(--ink); background: white; }
.support-invite .button:hover { color: white; background: var(--blue); }

.site-footer { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 42px max(24px, calc((100% - 1180px) / 2)); color: rgba(255,255,255,.58); background: #25282a; font-size: 11px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: white; font-size: 13px; font-weight: 600; }
.footer-brand img { border-radius: 8px; }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a:hover { color: white; }
.site-footer small { grid-column: 1 / -1; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.js .reveal[data-delay="1"] { transition-delay: .1s; }
.js .reveal[data-delay="2"] { transition-delay: .2s; }
.js .reveal[data-visible] { opacity: 1; transform: none; }

/* Guide */
.guide-page { background: #f0f1ef; }
.guide-hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; min-height: 610px; padding-top: 140px; padding-bottom: 84px; }
.guide-hero h1 { font-size: clamp(58px, 6.5vw, 88px); }
.guide-hero > div:first-child > p:last-child { max-width: 540px; margin: 34px 0 0; color: var(--muted); font-size: 15px; }
.quick-card { padding: 30px; color: var(--ink); background: rgba(255,255,255,.76); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 55px rgba(26,28,30,.06); }
.quick-card > p { margin: 0 0 25px; color: var(--blue); font-size: 10px; font-weight: 600; letter-spacing: .15em; }
.quick-card ol { padding: 0; margin: 0 0 28px; list-style: none; }
.quick-card li { display: flex; align-items: center; gap: 14px; padding: 14px 0; color: #444a4e; border-top: 1px solid var(--line); font-size: 13px; }
.quick-card li span { display: grid; width: 23px; height: 23px; flex: 0 0 auto; place-items: center; color: var(--blue); border: 1px solid var(--line); border-radius: 50%; font-family: var(--mono); font-size: 8px; }
.quick-card .button { color: white; background: var(--ink); }
.guide-layout { display: grid; grid-template-columns: 170px minmax(0, 820px); align-items: start; justify-content: space-between; gap: 70px; padding: 72px 0 110px; border-top: 1px solid var(--line); }
.guide-nav { position: sticky; top: 110px; align-self: start; display: grid; }
.guide-nav p { margin: 0 0 14px; padding-bottom: 13px; color: #969da2; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 9px; letter-spacing: .12em; }
.guide-nav a { padding: 8px 0; color: var(--muted); font-size: 12px; }
.guide-nav a:hover { color: var(--blue); }
.guide-content { padding: 58px 64px 10px; background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 22px 70px rgba(26,28,30,.055); }
.guide-content section { padding: 0 0 64px; }
.guide-content section + section { padding-top: 64px; border-top: 1px solid var(--line); }
.chapter { color: var(--blue); font-family: var(--mono); font-size: 10px; }
.guide-content h2 { margin: 10px 0 36px; font-family: var(--display); font-size: 40px; font-weight: 400; letter-spacing: -.03em; }
.guide-content h3 { font-size: 14px; font-weight: 500; }
.guide-content > section > p { color: var(--muted); font-size: 14px; }
.requirement { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 40px; padding: 17px 20px; background: #eef1f2; border-left: 2px solid var(--blue); font-size: 11px; }
.requirement span { color: var(--muted); }
.instruction-list { padding: 0; margin: 0; list-style: none; }
.instruction-list li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.instruction-list li > span { display: grid; width: 27px; height: 27px; place-items: center; color: var(--blue); border: 1px solid var(--line); border-radius: 50%; font-family: var(--mono); font-size: 9px; }
.instruction-list p { margin: 1px 0; color: #3f4549; font-size: 14px; line-height: 1.75; }
code { padding: 2px 5px; background: #e9e9e5; border-radius: 3px; font-family: var(--mono); font-size: .88em; }
.inline-link { margin-inline: 3px; color: var(--blue); border-bottom: 1px solid rgba(82,104,118,.35); }
.callout { margin-top: 34px; padding: 22px 24px; background: #f1eee7; border: 1px solid var(--line); }
.callout b { font-size: 12px; }
.callout p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.callout-blue { background: #edf2f4; border-color: rgba(88,123,147,.25); }
.guide-media { max-width: 410px; margin: 0 auto 45px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 46px rgba(16,24,32,.09); }
.guide-media.wide { max-width: 480px; margin-top: 45px; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 30px 0; }
.method-grid article { min-height: 175px; padding: 20px; background: #f1f2ef; border: 1px solid var(--line); }
.method-grid article > span { color: var(--blue); font-size: 22px; }
.method-grid h3 { margin: 33px 0 6px; }
.method-grid p { margin: 0; color: var(--muted); font-size: 11px; }
table { width: 100%; margin-top: 35px; border-collapse: collapse; font-size: 12px; }
th, td { padding: 15px 10px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: #8c949a; font-size: 9px; font-weight: 500; letter-spacing: .1em; }
td:first-child { width: 26%; font-weight: 600; }
td:last-child { color: var(--muted); }
.setting-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.setting-list article { min-height: 150px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.setting-list h3 { margin: 0 0 12px; }
.setting-list p { margin: 0; color: var(--muted); font-size: 11px; }
.editor-guide > article { display: grid; grid-template-columns: 52px 1fr; gap: 24px; padding: 35px 0; border-top: 1px solid var(--line); }
.editor-sequence { padding-top: 4px; color: #8c949a; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; }
.editor-guide h3 { margin: 2px 0 14px; font-family: var(--display); font-size: 21px; font-weight: 500; }
.editor-guide ol { padding-left: 20px; color: #3f4a53; font-size: 12px; }
.editor-guide li { margin: 7px 0; }
.editor-guide p { color: var(--muted); font-size: 11px; }
.inline-shot { margin-top: 28px; border: 1px solid var(--line); }
.guide-content details summary { padding: 20px 0; }
.check-list { padding: 0; margin: 0; list-style: none; }
.check-list li { position: relative; padding: 18px 0 18px 35px; color: #3f4a53; border-top: 1px solid var(--line); font-size: 13px; }
.check-list li::before { position: absolute; top: 21px; left: 5px; display: grid; width: 16px; height: 16px; place-items: center; color: white; background: var(--green); border-radius: 50%; content: "✓"; font-size: 8px; }
.guide-ending { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding: 34px 38px; margin-bottom: 96px; color: var(--ink); background: rgba(255,255,255,.8); border: 1px solid var(--line); border-radius: 16px; }
.guide-ending img { width: 56px; height: 56px; border-radius: 14px; }
.guide-ending h2 { margin: 0; font-family: var(--display); font-size: 27px; font-weight: 400; }
.guide-ending p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.guide-ending .button { color: white; background: var(--ink); }

/* Support */
.support-page { background: #f0f1ef; }
.support-hero { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 110px; min-height: 700px; padding-top: 150px; padding-bottom: 100px; }
.support-hero h1 { margin: 0; font-family: var(--display); font-size: clamp(58px, 6.2vw, 88px); font-weight: 400; line-height: 1.08; letter-spacing: -.045em; }
.support-hero h1 em { color: var(--blue); font-style: normal; }
.support-hero-copy > p:last-child { max-width: 560px; margin: 36px 0 0; color: var(--muted); font-size: 15px; }
.support-principles { border-top: 1px solid var(--line); }
.support-principles article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.support-principles b { font-size: 14px; font-weight: 600; }
.support-principles p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.support-checkout { padding: 78px 0 90px; background: transparent; }
.support-checkout-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 80px; padding: 70px; background: #e6e9e8; border: 1px solid rgba(26,28,30,.08); border-radius: 24px; }
.support-copy { position: sticky; top: 120px; }
.support-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(40px, 3.8vw, 54px); font-weight: 400; line-height: 1.18; letter-spacing: -.035em; white-space: nowrap; }
.support-copy > p:not(.eyebrow) { margin: 28px 0 0; color: var(--muted); font-size: 13px; }
.support-copy > a { display: inline-flex; gap: 18px; margin-top: 30px; color: var(--blue); font-size: 12px; border-bottom: 1px solid rgba(82,104,118,.35); }
.support-codes { display: grid; grid-template-columns: repeat(2, minmax(0, 270px)); justify-content: end; gap: 16px; }
.payment-card { width: 100%; max-width: 270px; margin: 0; padding: 18px; background: rgba(255,255,255,.72); border: 1px solid rgba(26,28,30,.12); box-shadow: 0 22px 60px rgba(26,28,30,.07); }
.payment-label { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.payment-label > span { width: 8px; height: 8px; border-radius: 50%; }
.payment-alipay .payment-label > span { background: #1677ff; }
.payment-wechat .payment-label > span { background: #07c160; }
.payment-label b, .payment-label small { display: block; }
.payment-label b { font-size: 13px; font-weight: 600; }
.payment-label small { margin-top: 1px; color: #878e92; font-size: 9px; }
.qr-frame { overflow: hidden; background: white; border: 1px solid rgba(26,28,30,.1); }
.qr-frame img { width: 100%; height: auto; }
.support-notice { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; padding: 120px 0; }
.support-notice > div:first-child > span { color: var(--blue); font-family: var(--mono); font-size: 9px; letter-spacing: .12em; }
.support-notice h2 { margin: 13px 0 0; font-family: var(--display); font-size: clamp(38px, 3.8vw, 52px); font-weight: 400; line-height: 1.2; letter-spacing: -.035em; }
.support-notice-copy { padding-top: 11px; }
.support-notice-copy p { margin: 0 0 20px; color: var(--muted); font-size: 13px; }
.support-notice-copy a { color: var(--blue); font-family: var(--mono); font-size: 10px; border-bottom: 1px solid rgba(82,104,118,.35); }

@media (max-width: 980px) {
  :root { --shell: min(100% - 40px, 760px); }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 120px; }
  .hero-copy { padding-bottom: 30px; }
  .hero-visual { min-height: 640px; }
  .app-window { left: 26%; width: 50%; }
  .delivery-card { right: 10%; }
  .section-heading { grid-template-columns: .5fr 1.5fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .product-detail { gap: 40px; }
  .detail-visual { min-height: 650px; }
  .detail-frame { width: 82%; }
  .privacy-grid { grid-template-columns: 1fr; }
  .film-grid { gap: 55px; padding: 48px; }
  .guide-hero { grid-template-columns: 1fr 360px; gap: 40px; }
  .guide-layout { grid-template-columns: 150px minmax(0, 1fr); gap: 55px; }
  .support-hero { gap: 55px; }
  .support-checkout-grid { gap: 50px; padding: 52px; }
}

@media (max-width: 720px) {
  :root { --shell: calc(100% - 32px); }
  html { scroll-padding-top: 76px; }
  .site-header { height: 64px; padding-inline: 16px; }
  .brand img { width: 32px; height: 32px; }
  .nav-toggle { display: block; z-index: 2; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 64px 0 auto; display: none; padding: 12px 16px 22px; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav[data-open] { display: grid; }
  .site-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-download { margin-top: 5px; text-align: center; border: 0; }
  .hero { display: block; min-height: auto; padding-top: 126px; }
  .hero-copy { padding: 0; }
  .hero h1, .guide-hero h1 { font-size: clamp(51px, 15vw, 74px); }
  .hero-lede { margin-top: 27px; font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-meta { line-height: 1.8; }
  .hero-visual { min-height: 520px; margin-top: 35px; }
  .app-window { top: 1%; left: 15%; width: 70%; min-width: 0; }
  .delivery-card { right: 0; bottom: 10%; min-width: 215px; }
  .plane-mark { right: 0; }
  .signal-one { left: -20%; width: 340px; height: 340px; }
  .signal-two { left: -8%; width: 260px; height: 260px; }
  .workflow, .editors, .product-detail, .faq { padding: 82px 0; }
  .film { padding: 56px 0 42px; }
  .film-grid { grid-template-columns: 1fr; gap: 55px; }
  .film-grid { padding: 34px 22px; border-radius: 18px; }
  .film-copy h2 { font-size: 43px; }
  .film-stage { padding: 28px; }
  .film-stage video { width: min(100%, 360px); }
  .section-heading, .section-heading-light { display: block; }
  .section-heading h2, .detail-copy h2, .privacy-copy h2 { font-size: 43px; }
  .section-heading > p:last-child { margin-top: 22px; }
  .workflow .section-heading { display: block; }
  .workflow .section-heading > p:last-child { margin-top: 22px; }
  .steps { grid-template-columns: 1fr; margin-top: 54px; }
  .step, .step + .step { display: grid; grid-template-columns: 58px 1fr; min-height: 0; padding: 27px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; }
  .step-number { grid-row: 1 / span 2; font-size: 26px; }
  .step h3, .step p { grid-column: 2; }
  .step h3 { margin: 0 0 8px; }
  .editor-grid { grid-template-columns: 1fr; margin-top: 60px; }
  .editor-card { min-height: 350px; }
  .editor-card h3 { margin-top: 50px; }
  .product-detail { display: flex; flex-direction: column-reverse; }
  .detail-visual { width: 100%; min-height: 620px; }
  .detail-visual::before { inset: 8% 0 5% 8%; }
  .detail-frame { left: 8%; width: 76%; }
  .detail-copy { padding-bottom: 25px; }
  .privacy { padding: 0 0 82px; }
  .privacy-grid { gap: 65px; }
  .privacy-grid { padding: 40px 22px; border-radius: 18px; }
  .privacy-map { grid-template-columns: 1fr; }
  .map-node { min-height: 115px; }
  .map-line { height: 55px; }
  .map-line i { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; height: auto; }
  .map-line i::after { position: absolute; right: -3px; bottom: 0; transform: rotate(90deg); }
  .map-line small { position: relative; top: 12px; padding: 3px 6px; background: #e7eae9; }
  .faq { grid-template-columns: 1fr; gap: 50px; }
  .support-invite { grid-template-columns: 1fr; align-items: start; gap: 36px; padding: 44px 28px; margin-bottom: 90px; }
  .support-invite .button { width: fit-content; }
  .site-footer { grid-template-columns: 1fr; text-align: left; }
  .site-footer nav { flex-wrap: wrap; }
  .site-footer small { grid-column: 1; }

  .guide-hero { display: block; min-height: 0; padding-top: 125px; padding-bottom: 70px; }
  .quick-card { margin-top: 50px; }
  .guide-layout { display: block; padding-top: 36px; }
  .guide-nav { display: none; }
  .guide-content { padding: 38px 22px 4px; border-radius: 12px; }
  .guide-content section { padding-bottom: 58px; }
  .guide-content section + section { padding-top: 58px; }
  .guide-content h2 { font-size: 41px; }
  .requirement { align-items: flex-start; flex-direction: column; }
  .method-grid, .setting-list { grid-template-columns: 1fr; }
  .method-grid article { min-height: 130px; }
  .method-grid h3 { margin-top: 20px; }
  .guide-ending { grid-template-columns: auto 1fr; padding: 30px 24px; }
  .guide-ending .button { grid-column: 1 / -1; }

  .support-hero { display: block; min-height: 0; padding-top: 125px; padding-bottom: 75px; }
  .support-hero h1 { font-size: clamp(51px, 15vw, 74px); }
  .support-hero-copy > p:last-child { font-size: 14px; }
  .support-principles { margin-top: 55px; }
  .support-checkout { padding: 54px 0 72px; }
  .support-checkout-grid, .support-notice { grid-template-columns: 1fr; gap: 55px; }
  .support-checkout-grid { padding: 40px 22px; border-radius: 18px; }
  .support-copy { position: static; }
  .support-copy h2 { white-space: normal; }
  .support-codes { grid-template-columns: 1fr; justify-content: stretch; justify-items: center; gap: 14px; }
  .payment-card { padding: 12px; }
  .payment-label { margin: 4px 2px 14px; }
  .payment-label small { display: none; }
  .support-notice { padding: 90px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}