:root {
  --ink: #10261f;
  --ink-soft: #243c34;
  --muted: #68766f;
  --line: #dce6df;
  --line-strong: #c8d6ce;
  --soft: #f1f6f2;
  --paper: #fbfcfa;
  --white: #fff;
  --green: #0d8a5d;
  --green-dark: #076b47;
  --mint: #dff6e9;
  --lime: #cbed71;
  --orange: #ff6846;
  --blue: #1273ea;
  --shadow: 0 24px 70px rgba(21, 51, 40, .12);
  --shell: 1200px;
  --header-height: 78px;
  --font: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 22px); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { color: inherit; font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(18, 115, 234, .28); outline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 15px; color: #fff; background: var(--ink); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: var(--header-height); padding: 0 max(32px, calc((100vw - var(--shell)) / 2)); border-bottom: 1px solid transparent; background: rgba(251, 252, 250, .88); backdrop-filter: blur(18px); transition: border-color .2s, box-shadow .2s, background .2s; }
.site-header.is-scrolled { border-color: rgba(205, 219, 210, .78); background: rgba(251, 252, 250, .96); box-shadow: 0 8px 28px rgba(16, 38, 31, .055); }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 11px; width: max-content; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); border-radius: 13px; color: var(--green); background: #fff; box-shadow: 0 6px 18px rgba(18, 68, 50, .08); }
.brand-mark svg { width: 27px; height: 27px; fill: rgba(13, 138, 93, .08); stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 15px; letter-spacing: .01em; }
.brand-copy small { margin-top: 5px; color: #829089; font-size: 8px; font-weight: 800; letter-spacing: .16em; }
.main-nav { display: flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid rgba(213, 225, 218, .8); border-radius: 99px; background: rgba(255, 255, 255, .72); }
.main-nav a { position: relative; padding: 8px 15px; border-radius: 99px; color: #5e6e66; font-size: 13px; font-weight: 650; transition: color .18s, background .18s; }
.main-nav a:hover, .main-nav a.is-active { color: var(--ink); background: #fff; box-shadow: 0 3px 12px rgba(16, 38, 31, .07); }
.header-action { display: inline-flex; align-items: center; justify-self: end; gap: 18px; min-height: 44px; padding: 0 17px; border: 1px solid var(--ink); border-radius: 10px; color: #fff; background: var(--ink); font-size: 13px; font-weight: 750; transition: transform .18s, background .18s; }
.header-action:hover { background: var(--green-dark); transform: translateY(-1px); }
.header-action b { font-size: 16px; font-weight: 500; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.menu-toggle i { display: block; width: 19px; height: 1.5px; margin: 5px auto; background: var(--ink); transition: transform .2s; }
.flash-stack { position: fixed; z-index: 200; top: 92px; right: 24px; display: grid; gap: 8px; width: min(390px, calc(100% - 32px)); }
.flash { padding: 13px 16px; border: 1px solid var(--line); border-left: 4px solid var(--green); color: var(--ink); background: #fff; box-shadow: 0 14px 34px rgba(16, 38, 31, .12); font-size: 14px; }
.flash-error { border-left-color: #d93445; }

.eyebrow { margin: 0 0 18px; color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow-light { color: var(--lime); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 52px; padding: 0 23px; border: 1px solid transparent; border-radius: 10px; font-size: 14px; font-weight: 780; transition: transform .18s, color .18s, border-color .18s, background .18s, box-shadow .18s; }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 11px 28px rgba(13, 138, 93, .21); }
.button-primary:hover { background: var(--green-dark); transform: translateY(-2px); }
.button-accent { color: #fff; background: var(--tool-accent, var(--blue)); box-shadow: 0 13px 30px color-mix(in srgb, var(--tool-accent, var(--blue)) 25%, transparent); }
.button-accent:hover { filter: brightness(.92); transform: translateY(-2px); }
.button-quiet { border-color: var(--line-strong); color: var(--ink); background: rgba(255, 255, 255, .74); }
.button-quiet:hover { border-color: var(--ink); background: #fff; }
.button-disabled { border-color: var(--line); color: #8a9690; background: #edf2ee; cursor: not-allowed; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; transition-delay: calc(var(--delay, 0) * 65ms); }
.reveal-delay { transition-delay: .12s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.hero-section { position: relative; min-height: 680px; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 86% 14%, rgba(143, 234, 193, .28), transparent 34%), linear-gradient(180deg, #fbfcfa 0%, #f7faf7 100%); }
.hero-section::before { position: absolute; inset: 0; content: ""; opacity: .22; background-image: linear-gradient(rgba(32, 72, 57, .1) 1px, transparent 1px), linear-gradient(90deg, rgba(32, 72, 57, .1) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(90deg, transparent 43%, #000 72%, transparent 100%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; min-height: 680px; gap: 78px; padding: 72px 0 82px; }
.hero-copy h1 { margin: 0 0 12px; font-size: clamp(52px, 5.2vw, 78px); font-weight: 840; line-height: .98; letter-spacing: -.065em; }
.hero-copy h1 span { color: var(--green); }
.hero-copy h2 { margin: 0 0 22px; color: var(--ink-soft); font-size: clamp(31px, 3vw, 45px); font-weight: 590; line-height: 1.18; letter-spacing: -.045em; }
.hero-description { max-width: 500px; margin-bottom: 31px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 26px; }
.support-link { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-soft); font-size: 13px; font-weight: 680; }
.support-link span { color: var(--orange); font-size: 19px; }
.support-link:hover { color: var(--green); }
.trust-line { display: flex; align-items: center; gap: 9px; margin: 22px 0 0; color: #7e8b85; font-size: 12px; }
.trust-line span { color: var(--green); font-size: 15px; }
.trust-line i { font-style: normal; }
.hero-showcase { position: relative; min-height: 475px; perspective: 1400px; }
.hero-showcase::before { position: absolute; width: 420px; height: 420px; top: 7%; right: 7%; border-radius: 50%; background: rgba(184, 239, 210, .62); filter: blur(46px); content: ""; }
.software-window { position: absolute; overflow: hidden; border: 1px solid rgba(185, 205, 194, .9); border-radius: 15px; background: #fff; box-shadow: var(--shadow); }
.software-window header, .detail-window header { display: flex; align-items: center; justify-content: space-between; height: 37px; padding: 0 13px; border-bottom: 1px solid #e7ece9; color: #65736c; background: #f8faf8; font-size: 10px; }
.software-window header i, .detail-window header i { color: #98a49e; font-style: normal; letter-spacing: .06em; }
.software-window img { width: 100%; height: calc(100% - 37px); object-fit: cover; object-position: top; }
.window-primary { z-index: 2; top: 29px; right: 0; width: 92%; height: 363px; transform: rotateY(-3deg) rotateZ(1.2deg); }
.window-primary::after { position: absolute; inset: 37px 0 auto; height: 3px; background: var(--tool-accent, var(--blue)); content: ""; opacity: .78; }
.coming-window { display: grid; height: calc(100% - 37px); place-content: center; justify-items: center; color: #718078; background: linear-gradient(135deg, #f4f8f5, #edf5f0); }
.coming-window span { display: grid; width: 47px; height: 47px; margin-bottom: 12px; place-items: center; border: 1px dashed #9eb8aa; border-radius: 50%; color: var(--tool-accent, var(--green)); font-size: 26px; }
.coming-window strong { color: var(--ink); font-size: 14px; }
.coming-window small { margin-top: 4px; }
.showcase-note { position: absolute; z-index: 3; right: 10px; bottom: 13px; padding: 8px 11px; border: 1px solid rgba(205, 219, 210, .85); border-radius: 8px; color: #67766f; background: rgba(255, 255, 255, .82); backdrop-filter: blur(10px); font-size: 10px; font-weight: 700; }

.products-section { padding-top: 105px; padding-bottom: 115px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; margin-bottom: 42px; }
.section-heading h2, .detail-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p { max-width: 460px; margin: 0 0 4px auto; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.product-card { position: relative; display: grid; grid-template-columns: 80px 1fr; min-height: 260px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: #fff; transition: border-color .2s, transform .22s, box-shadow .22s; }
.product-card::before { position: absolute; width: 280px; height: 280px; top: -165px; right: -95px; border-radius: 50%; background: color-mix(in srgb, var(--tool-accent, var(--green)) 14%, transparent); content: ""; transition: transform .35s; }
.product-card:hover { border-color: color-mix(in srgb, var(--tool-accent, var(--green)) 35%, var(--line)); transform: translateY(-4px); box-shadow: 0 22px 48px rgba(22, 55, 43, .09); }
.product-card:hover::before { transform: scale(1.2); }
.product-icon { position: relative; z-index: 1; display: grid; width: 66px; height: 66px; place-items: center; overflow: hidden; border-radius: 17px; color: #fff; background: var(--tool-accent, var(--green)); box-shadow: 0 10px 26px color-mix(in srgb, var(--tool-accent, var(--green)) 24%, transparent); }
.product-icon img { width: 100%; height: 100%; object-fit: cover; }
.product-icon span { font-size: 28px; font-weight: 850; }
.product-copy { position: relative; z-index: 1; padding-left: 8px; }
.product-index { margin: 3px 0 12px; color: var(--tool-accent, var(--green)); font-size: 9px; font-weight: 850; letter-spacing: .14em; }
.product-copy h3 { margin: 0 0 5px; font-size: 27px; line-height: 1.2; letter-spacing: -.035em; }
.product-copy > p:last-child { max-width: 350px; margin: 0; color: var(--muted); font-size: 14px; }
.product-platform, .product-link { position: absolute; z-index: 1; bottom: 25px; font-size: 11px; font-weight: 700; }
.product-platform { left: 30px; color: #7a8982; }
.product-link { right: 30px; color: var(--ink); }
.product-card-more { --tool-accent: #7d8c85; background: linear-gradient(135deg, #f6f8f6, #fff); }
.more-icon { border: 1px dashed #9eada5; color: var(--ink); background: transparent; box-shadow: none; }

.principles-section { color: #fff; background: var(--ink); }
.principles-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 100px; padding-top: 105px; padding-bottom: 105px; }
.principles-title { position: sticky; top: 120px; align-self: start; }
.principles-title h2 { max-width: 380px; margin: 0; font-size: clamp(40px, 5vw, 64px); line-height: 1.03; letter-spacing: -.055em; }
.principles-title > p:last-child { margin-top: 26px; color: #9fb2a9; }
.principle-list { border-top: 1px solid rgba(255, 255, 255, .15); }
.principle-list article { display: grid; grid-template-columns: 55px 190px 1fr; gap: 18px; padding: 27px 0; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.principle-list article > span { color: var(--lime); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.principle-list h3 { margin: 0; font-size: 17px; }
.principle-list p { margin: 0; color: #9fb2a9; font-size: 13px; }
.supporters-section { padding-top: 92px; }
.supporters-section header { display: flex; align-items: end; justify-content: space-between; border-bottom: 1px solid var(--line); }
.supporters-section h2 { margin: 0 0 22px; font-size: 30px; letter-spacing: -.035em; }
.supporter-row { display: flex; flex-wrap: wrap; gap: 10px; padding: 25px 0 0; }
.supporter-row > span { display: grid; padding: 10px 15px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: 13px; font-weight: 700; }
.supporter-row small { color: var(--muted); font-weight: 450; }
.support-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-top: 105px; padding-bottom: 105px; }
.support-cta h2 { margin: 0; font-size: clamp(38px, 4.5vw, 58px); line-height: 1.08; letter-spacing: -.05em; }
.support-cta-copy { align-self: end; max-width: 485px; }
.support-cta-copy p { color: var(--muted); }
.support-cta-copy a { display: flex; align-items: center; justify-content: space-between; margin: 24px 0 12px; padding: 17px 0; border-block: 1px solid var(--line); color: var(--green); font-weight: 780; }
.support-cta-copy small { color: #8b9791; }

.site-footer { border-top: 1px solid var(--line); background: #f4f7f4; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 34px; padding-top: 42px; padding-bottom: 34px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand > div { display: grid; }
.footer-brand strong { font-size: 14px; }
.footer-brand span { color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 28px; color: #52635a; font-size: 12px; }
.footer-links a:hover { color: var(--green); }
.footer-legal { grid-column: 1 / -1; display: flex; justify-content: space-between; margin: 0; padding-top: 22px; border-top: 1px solid var(--line); color: #8a9690; font-size: 10px; }

.page-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 75% 20%, rgba(143, 234, 193, .26), transparent 30%), #f7faf7; }
.page-hero::after { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(32, 72, 57, .1) 1px, transparent 1px), linear-gradient(90deg, rgba(32, 72, 57, .1) 1px, transparent 1px); background-size: 44px 44px; content: ""; mask-image: linear-gradient(90deg, transparent, #000 55%, transparent); }
.page-hero > .shell { position: relative; z-index: 1; padding-top: 86px; padding-bottom: 82px; }
.page-hero h1 { max-width: 760px; margin: 0 0 24px; font-size: clamp(50px, 6vw, 78px); line-height: 1; letter-spacing: -.06em; }
.page-hero h1 span { color: var(--green); }
.page-hero .shell > p:last-child { max-width: 580px; margin: 0; color: var(--muted); font-size: 17px; }
.tool-catalog { padding-top: 50px; padding-bottom: 110px; }
.catalog-toolbar { display: flex; align-items: center; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.catalog-search { position: relative; flex: 1; }
.catalog-search svg { position: absolute; top: 50%; left: 14px; width: 19px; height: 19px; fill: none; stroke: #718078; stroke-width: 1.7; transform: translateY(-50%); }
.catalog-toolbar input, .catalog-toolbar select { width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfa; }
.catalog-toolbar input { padding: 0 15px 0 43px; }
.catalog-toolbar select { min-width: 145px; padding: 0 34px 0 13px; }
.catalog-toolbar input:focus, .catalog-toolbar select:focus { border-color: var(--green); background: #fff; outline: 3px solid rgba(13, 138, 93, .11); }
.toolbar-submit { min-height: 46px; box-shadow: none; }
.toolbar-reset { padding: 0 9px; color: var(--muted); font-size: 12px; }
.catalog-summary { display: flex; align-items: center; justify-content: space-between; padding: 32px 2px 18px; color: var(--muted); font-size: 12px; }
.catalog-summary p { margin: 0; }
.catalog-summary strong { color: var(--ink); font-size: 20px; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.catalog-card { display: block; min-height: 320px; padding: 25px; border: 1px solid var(--line); border-radius: 16px; color: inherit; background: #fff; text-decoration: none; cursor: pointer; transition: border-color .2s, transform .2s, box-shadow .2s; }
.catalog-card:hover { border-color: color-mix(in srgb, var(--tool-accent, var(--green)) 33%, var(--line)); transform: translateY(-3px); box-shadow: 0 18px 40px rgba(18, 50, 38, .08); }
.catalog-card:focus-visible { outline: 4px solid color-mix(in srgb, var(--tool-accent, var(--green)) 42%, transparent); outline-offset: 4px; }
.catalog-card-top { display: flex; align-items: start; justify-content: space-between; margin-bottom: 23px; }
.catalog-icon { display: grid; width: 60px; height: 60px; place-items: center; overflow: hidden; border-radius: 15px; color: #fff; background: var(--tool-accent, var(--green)); }
.catalog-icon img { width: 100%; height: 100%; object-fit: cover; }
.catalog-icon span { font-size: 24px; font-weight: 850; }
.status-pill { padding: 5px 9px; border: 1px solid #bfe2cf; border-radius: 99px; color: #08754e; background: #edf9f2; font-size: 9px; font-weight: 800; }
.status-beta { border-color: #d3c7f4; color: #6848c2; background: #f4f0ff; }
.status-coming { border-color: #eed9a9; color: #936616; background: #fff8e8; }
.status-archived { border-color: #d9dfdc; color: #748078; background: #f4f6f5; }
.catalog-meta { margin: 0 0 7px; color: var(--tool-accent, var(--green)); font-size: 9px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.catalog-card h2 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.035em; }
.catalog-description { min-height: 72px; margin: 0; color: var(--muted); font-size: 13px; }
.catalog-card-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 24px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 11px; }
.catalog-card-bottom > span { color: #839089; }
.catalog-card-action { color: var(--tool-accent, var(--green)); font-weight: 750; }
.tool-story { margin-top: 42px; padding: 28px 32px; border: 1px solid var(--line); background: #fff; }
.tool-story > div { max-width: 920px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.tool-story > div p { margin: 0; }
.empty-state { grid-column: 1 / -1; display: grid; justify-items: center; padding: 75px 20px; border: 1px dashed var(--line-strong); border-radius: 15px; background: #f7faf7; text-align: center; }
.empty-state > span { font-size: 42px; }
.empty-state h2 { margin: 10px 0 5px; }
.empty-state p { color: var(--muted); }

.tool-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 75% 22%, color-mix(in srgb, var(--tool-accent) 16%, transparent), transparent 35%), #f8faf8; }
.tool-hero::after { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(32, 72, 57, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(32, 72, 57, .12) 1px, transparent 1px); background-size: 48px 48px; content: ""; mask-image: linear-gradient(90deg, transparent 40%, #000); }
.tool-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 65px; min-height: 620px; padding-top: 62px; padding-bottom: 70px; }
.back-link { display: inline-block; margin-bottom: 30px; color: var(--muted); font-size: 12px; font-weight: 650; }
.back-link:hover { color: var(--tool-accent); }
.tool-title-row { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.tool-detail-icon { display: grid; flex: 0 0 auto; width: 78px; height: 78px; place-items: center; overflow: hidden; border-radius: 19px; color: #fff; background: var(--tool-accent); box-shadow: 0 13px 35px color-mix(in srgb, var(--tool-accent) 24%, transparent); }
.tool-detail-icon img { width: 100%; height: 100%; object-fit: cover; }
.tool-detail-icon span { font-size: 30px; font-weight: 850; }
.tool-title-row .eyebrow { margin-bottom: 5px; color: var(--tool-accent); }
.tool-title-row h1 { margin: 0; font-size: clamp(41px, 5vw, 62px); line-height: 1; letter-spacing: -.055em; }
.tool-hero-copy > h2 { max-width: 540px; margin: 0 0 12px; font-size: 28px; line-height: 1.25; letter-spacing: -.035em; }
.tool-lead { max-width: 560px; margin-bottom: 28px; color: var(--muted); }
.tool-hero-actions { display: flex; gap: 10px; }
.release-inline { display: flex; align-items: center; gap: 9px; margin-top: 18px; color: #7b8982; font-size: 11px; }
.release-inline i { width: 3px; height: 3px; border-radius: 50%; background: #9eaaa4; }
.tool-preview { position: relative; min-height: 430px; }
.preview-glow { position: absolute; inset: 10% 5%; border-radius: 50%; background: color-mix(in srgb, var(--tool-accent) 20%, transparent); filter: blur(55px); }
.detail-window { position: absolute; top: 36px; right: 0; width: 100%; height: 365px; overflow: hidden; border: 1px solid rgba(188, 205, 195, .95); border-radius: 16px; background: #fff; box-shadow: 0 28px 75px rgba(17, 45, 34, .18); transform: rotateZ(1.2deg); }
.detail-window img { width: 100%; height: calc(100% - 37px); object-fit: cover; object-position: top; }
.detail-window .coming-window { height: calc(100% - 37px); }
.tool-facts { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: -1px; border-inline: 1px solid var(--line); }
.tool-facts > div { display: grid; gap: 3px; padding: 21px 25px; border-right: 1px solid var(--line); background: #fff; }
.tool-facts > div:last-child { border-right: 0; }
.tool-facts span { color: #839089; font-size: 9px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.tool-facts strong { font-size: 13px; }
.fact-status { color: #0b875b; }
.detail-section { padding-top: 108px; padding-bottom: 108px; }
.detail-heading { max-width: 720px; margin-bottom: 48px; }
.detail-heading > p:last-child { margin: 15px 0 0; color: var(--muted); }
.detail-heading.compact { margin-bottom: 28px; }
.detail-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.detail-feature { display: grid; grid-template-columns: 53px 1fr; gap: 17px; padding: 29px 25px 30px 0; border-bottom: 1px solid var(--line); }
.detail-feature:nth-child(odd) { padding-right: 44px; border-right: 1px solid var(--line); }
.detail-feature:nth-child(even) { padding-left: 36px; }
.detail-feature > span { color: var(--tool-accent, var(--green)); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.detail-feature h3 { margin: 0 0 7px; font-size: 18px; }
.detail-feature p { margin: 0; color: var(--muted); font-size: 13px; }
.screenshot-section { padding: 100px 0; background: var(--ink); }
.screenshot-section .eyebrow { color: var(--lime); }
.screenshot-section .detail-heading h2 { color: #fff; }
.screenshot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.screenshot-grid figure { margin: 0; overflow: hidden; border: 1px solid rgba(255, 255, 255, .16); border-radius: 14px; background: #17342a; }
.screenshot-grid img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.screenshot-grid figcaption { padding: 12px 15px; color: #a9bab2; font-size: 11px; }
.install-section { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; padding-top: 110px; padding-bottom: 110px; }
.install-copy { padding-top: 20px; }
.install-copy h2 { margin-bottom: 18px; font-size: clamp(38px, 4vw, 56px); line-height: 1.06; letter-spacing: -.05em; }
.install-copy > p:last-child { max-width: 430px; color: var(--muted); }
.release-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 15px; background: #fff; box-shadow: 0 20px 55px rgba(17, 48, 36, .08); }
.release-card > header { display: flex; align-items: center; justify-content: space-between; padding: 23px 25px; border-bottom: 1px solid var(--line); background: #f4f8f5; }
.release-card > header > div { display: grid; }
.release-card > header span { color: var(--muted); font-size: 10px; }
.release-card > header strong { font-size: 26px; letter-spacing: -.035em; }
.release-channel { padding: 5px 10px; border: 1px solid #bfe2cf; border-radius: 99px; color: var(--green) !important; background: #edf9f2; font-weight: 750; }
.release-card dl { margin: 0; padding: 11px 25px; }
.release-card dl > div { display: grid; grid-template-columns: 115px 1fr; padding: 11px 0; border-bottom: 1px solid #edf1ee; }
.release-card dt { color: #7e8b85; font-size: 11px; }
.release-card dd { margin: 0; font-size: 12px; font-weight: 650; text-align: right; }
.hash-row dd { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: 0; }
.hash-row code { display: block; max-width: 240px; overflow: hidden; color: #5d6c64; font: 10px/1.5 Consolas, monospace; text-overflow: ellipsis; white-space: nowrap; }
.hash-row button { padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; color: var(--green); background: #fff; font-size: 9px; }
.release-note { padding: 13px 25px 18px; color: var(--muted); font-size: 12px; }
.release-note strong { display: block; margin-bottom: 5px; color: var(--ink); }
.release-note p { margin: 0; }
.download-wide { display: flex; align-items: center; justify-content: space-between; min-height: 59px; padding: 0 25px; color: #fff; background: var(--tool-accent, var(--green)); font-size: 13px; font-weight: 800; transition: filter .18s; }
.download-wide:hover { filter: brightness(.91); }
.download-wide b { font-size: 18px; font-weight: 500; }
.download-wide.is-disabled { color: #849089; background: #edf1ee; }
.history-section { padding-bottom: 110px; }
.release-history { border-top: 1px solid var(--line); }
.release-history details { border-bottom: 1px solid var(--line); }
.release-history summary { display: grid; grid-template-columns: 120px 1fr auto 25px; align-items: center; gap: 12px; padding: 17px 4px; list-style: none; cursor: pointer; }
.release-history summary::-webkit-details-marker { display: none; }
.release-history summary > span { font-weight: 780; }
.release-history summary small { color: var(--muted); }
.release-history summary i { padding: 4px 8px; border-radius: 99px; color: var(--green); background: var(--mint); font-size: 9px; font-style: normal; }
.release-history summary b { font-size: 17px; font-weight: 450; transition: transform .2s; }
.release-history details[open] summary b { transform: rotate(45deg); }
.release-history details > div { padding: 0 4px 19px 132px; color: var(--muted); font-size: 13px; }
.release-history details > div p { margin-bottom: 5px; }
.detail-bottom-cta { color: #fff; background: var(--ink); }
.detail-bottom-cta > .shell { display: flex; align-items: center; justify-content: space-between; padding-top: 60px; padding-bottom: 60px; }
.detail-bottom-cta h2 { margin: 0; font-size: 39px; letter-spacing: -.045em; }
.detail-bottom-cta a { display: inline-flex; align-items: center; gap: 46px; padding: 15px 19px; border: 1px solid rgba(255, 255, 255, .25); border-radius: 9px; font-size: 13px; font-weight: 750; }
.detail-bottom-cta a:hover { color: var(--ink); background: var(--lime); }

.support-hero-grid { display: grid; grid-template-columns: 1.05fr .55fr; align-items: center; gap: 85px; }
.support-hero-grid > div { padding: 88px 0; }
.support-hero.page-hero > .shell { padding-block: 0; }
.support-promise { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.support-promise span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; color: #52645a; background: rgba(255, 255, 255, .65); font-size: 10px; }
.tea-card { position: relative; z-index: 1; padding: 34px; border: 1px solid rgba(183, 205, 193, .85); border-radius: 20px; background: rgba(255, 255, 255, .76); box-shadow: var(--shadow); backdrop-filter: blur(15px); }
.tea-steam { display: block; color: var(--green); font-size: 45px; line-height: 1; }
.tea-card strong { display: block; margin: 6px 0; font-size: 25px; }
.tea-card p { margin: 0; color: var(--muted); font-size: 13px; }
.payment-section { padding-top: 82px; padding-bottom: 92px; }
.payment-grid { display: grid; grid-template-columns: repeat(2, minmax(260px, 340px)); justify-content: center; gap: 28px; }
.payment-card { display: flex; min-width: 0; flex-direction: column; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.payment-card > header { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; }
.payment-card > header > span { display: grid; flex: 0 0 auto; width: 42px; height: 42px; place-items: center; border-radius: 10px; color: #fff; font-weight: 850; }
.wechat > header > span { background: #08b56b; }
.alipay > header > span { background: #1477ee; }
.payment-card header > div { display: grid; }
.payment-card header strong { font-size: 15px; }
.payment-card header small { color: #909b95; font-size: 8px; font-weight: 800; letter-spacing: .12em; }
.qr-frame { position: relative; display: block; overflow: hidden; width: min(100%, 286px); aspect-ratio: 1; margin: 0 auto; border: 2px solid var(--ink); border-radius: 0; background: #fff; }
.qr-frame::after { position: absolute; z-index: 2; inset: 0; border: 9px solid #fff; box-shadow: inset 0 0 0 1px var(--ink); content: ""; pointer-events: none; }
.qr-frame img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.payment-card.wechat .qr-frame img { object-position: 50% 18%; transform: scale(2); }
.payment-card.alipay .qr-frame img { object-position: 50% 76%; transform: scale(1.38); }
.payment-card > p { margin: 14px 0 2px; color: var(--muted); font-size: 11px; font-weight: 750; text-align: center; }
.payment-note { display: flex; align-items: center; gap: 10px; max-width: 778px; margin: 18px auto 0; color: #7b8881; font-size: 11px; }
.payment-note span { display: grid; flex: 0 0 auto; width: 20px; height: 20px; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--green); }
.support-wall { padding: 95px 0; color: #fff; background: var(--ink); }
.support-wall .detail-heading p:last-child { color: #9bafa5; }
.support-wall-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255, 255, 255, .15); }
.support-wall-grid article { display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 13px; padding: 18px 15px 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.support-wall-grid article:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .15); }
.support-wall-grid article:nth-child(even) { padding-left: 18px; }
.support-wall-grid article > span { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: var(--ink); background: var(--lime); font-size: 12px; font-weight: 850; }
.support-wall-grid strong { font-size: 13px; }
.support-wall-grid p { margin: 1px 0 0; color: #9db0a7; font-size: 11px; }
.support-wall-grid small { color: var(--lime); }
.other-support { display: grid; grid-template-columns: .72fr 1.28fr; gap: 85px; padding-top: 105px; padding-bottom: 105px; }
.other-support h2 { margin: 0; font-size: 42px; line-height: 1.1; letter-spacing: -.045em; }
.other-support > div:last-child { border-top: 1px solid var(--line); }
.other-support a { display: grid; grid-template-columns: 38px 145px 1fr 20px; gap: 10px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.other-support a > span { color: var(--green); font-size: 10px; font-weight: 850; }
.other-support a strong { font-size: 14px; }
.other-support a p { margin: 0; color: var(--muted); font-size: 12px; }
.other-support a:hover b { color: var(--green); transform: translateX(3px); }
.other-support a b { transition: transform .18s; }

.feedback-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 75px; padding-top: 75px; padding-bottom: 110px; }
.feedback-guide h2 { margin: 0 0 28px; font-size: 37px; line-height: 1.13; letter-spacing: -.045em; }
.feedback-guide ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.feedback-guide li { display: grid; grid-template-columns: 35px 1fr; gap: 11px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.feedback-guide li > span { color: var(--green); font-size: 9px; font-weight: 850; }
.feedback-guide li strong { font-size: 13px; }
.feedback-guide li p { margin: 2px 0 0; color: var(--muted); font-size: 11px; }
.privacy-tip { margin-top: 22px; padding: 14px 16px; border-left: 3px solid var(--orange); color: #77665d; background: #fff4ef; font-size: 11px; }
.privacy-tip b { display: block; color: var(--ink); }
.feedback-form-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 16px; background: #fff; box-shadow: 0 20px 55px rgba(17, 48, 36, .07); }
.feedback-form-card > header { display: flex; align-items: center; justify-content: space-between; padding: 20px 25px; border-bottom: 1px solid var(--line); background: #f4f8f5; }
.feedback-form-card > header span { font-weight: 800; }
.feedback-form-card > header small { color: var(--muted); }
.feedback-form-card form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px; padding: 25px; }
.form-field { display: grid; gap: 6px; }
.form-field:has(textarea), .form-field:nth-last-of-type(1), .form-errors, .consent-row, .form-submit { grid-column: 1 / -1; }
.form-field label { font-size: 11px; font-weight: 750; }
.form-field label span { color: #d53343; }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink); background: #fbfcfa; }
.form-field input, .form-field select { min-height: 44px; padding: 0 12px; }
.form-field textarea { min-height: 155px; padding: 11px 12px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--green); background: #fff; outline: 3px solid rgba(13, 138, 93, .1); }
.form-field > small { color: var(--muted); font-size: 9px; }
.field-errors ul, .form-errors ul { margin: 0; padding-left: 17px; color: #ba2737; font-size: 10px; }
.has-error input, .has-error select, .has-error textarea { border-color: #d94a58; }
.consent-row { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 10px; }
.consent-row input { margin-top: 4px; accent-color: var(--green); }
.form-submit { width: 100%; border: 0; }

@media (max-width: 1080px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .tool-hero-grid { gap: 35px; }
  .hero-showcase { transform: scale(.92); transform-origin: right center; }
  .principles-grid, .other-support { gap: 60px; }
}

@media (max-width: 940px) {
  :root { --header-height: 70px; }
  .site-header { grid-template-columns: 1fr auto auto; padding: 0 24px; }
  .menu-toggle { display: block; grid-column: 2; grid-row: 1; margin-right: 9px; }
  .menu-toggle[aria-expanded="true"] i:first-of-type { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i:last-of-type { transform: translateY(-3.25px) rotate(-45deg); }
  .main-nav { position: fixed; top: var(--header-height); left: 0; display: grid; width: 100%; padding: 18px 24px 28px; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: rgba(251, 252, 250, .98); box-shadow: 0 20px 40px rgba(16, 38, 31, .1); opacity: 0; pointer-events: none; transform: translateY(-10px); transition: opacity .2s, transform .2s; }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-nav a { padding: 12px 3px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav a:hover, .main-nav a.is-active { color: var(--green); background: transparent; box-shadow: none; }
  .header-action { grid-column: 3; grid-row: 1; }
  .hero-grid, .tool-hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-grid { gap: 40px; padding-top: 74px; }
  .hero-copy { max-width: 650px; }
  .hero-showcase { width: min(720px, 100%); min-height: 480px; margin-inline: auto; transform: none; }
  .window-primary { width: 88%; }
  .section-heading, .support-cta, .principles-grid, .install-section, .other-support, .feedback-section { grid-template-columns: 1fr; }
  .section-heading > p { margin-left: 0; }
  .principles-grid { gap: 50px; }
  .principles-title { position: static; }
  .principles-title h2 { max-width: 580px; }
  .support-cta { gap: 35px; }
  .tool-preview { width: min(760px, 100%); margin-inline: auto; }
  .tool-facts { grid-template-columns: repeat(2, 1fr); }
  .tool-facts > div:nth-child(2) { border-right: 0; }
  .tool-facts > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .install-section { gap: 35px; }
  .support-hero-grid { grid-template-columns: 1fr .55fr; gap: 35px; }
  .feedback-section { gap: 40px; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 32px, var(--shell)); }
  .site-header { padding: 0 16px; }
  .brand-copy small { display: none; }
  .header-action { width: 44px; padding: 0; gap: 0; }
  .header-action span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .hero-section::before { display: none; }
  .hero-grid { padding: 58px 0 62px; }
  .hero-copy h1 { font-size: clamp(48px, 15vw, 68px); }
  .hero-copy h2 { font-size: clamp(28px, 8.6vw, 40px); }
  .hero-description { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 15px; }
  .hero-actions .button { width: 100%; }
  .support-link { justify-content: center; }
  .trust-line { justify-content: center; flex-wrap: wrap; }
  .hero-showcase { min-height: 348px; }
  .window-primary { top: 5px; width: 97%; height: 270px; }
  .showcase-note { display: none; }
  .products-section, .detail-section, .payment-section { padding-top: 75px; padding-bottom: 78px; }
  .product-grid, .catalog-grid, .detail-feature-grid, .screenshot-grid, .support-wall-grid, .payment-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 66px 1fr; min-height: 255px; padding: 23px; }
  .product-platform { left: 23px; }
  .product-link { right: 23px; }
  .principles-grid { padding-top: 76px; padding-bottom: 76px; }
  .principle-list article { grid-template-columns: 38px 1fr; }
  .principle-list article p { grid-column: 2; }
  .support-cta { padding-top: 78px; padding-bottom: 78px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: space-between; gap: 12px; }
  .footer-legal { flex-direction: column; gap: 5px; }
  .page-hero > .shell { padding-top: 64px; padding-bottom: 60px; }
  .page-hero h1 { font-size: clamp(44px, 13vw, 64px); }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .catalog-toolbar select { min-width: 0; }
  .toolbar-reset { padding: 8px; text-align: center; }
  .catalog-grid { grid-template-columns: 1fr; }
  .tool-catalog { padding-bottom: 78px; }
  .tool-title-row { align-items: flex-start; }
  .tool-detail-icon { width: 64px; height: 64px; border-radius: 16px; }
  .tool-title-row h1 { font-size: 38px; }
  .tool-hero-actions { align-items: stretch; flex-direction: column; }
  .tool-preview { min-height: 320px; }
  .detail-window { top: 12px; height: 290px; }
  .tool-facts { grid-template-columns: 1fr; width: calc(100% - 32px); }
  .tool-facts > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .tool-facts > div:last-child { border-bottom: 0; }
  .detail-feature:nth-child(odd), .detail-feature:nth-child(even) { padding: 23px 0; border-right: 0; }
  .detail-feature { grid-template-columns: 42px 1fr; }
  .install-section { padding-top: 78px; padding-bottom: 78px; }
  .release-card dl > div { grid-template-columns: 90px 1fr; }
  .hash-row dd { align-items: flex-end; flex-direction: column; }
  .hash-row code { max-width: 180px; }
  .release-history summary { grid-template-columns: 84px 1fr auto 18px; }
  .release-history summary i { display: none; }
  .release-history details > div { padding-left: 4px; }
  .detail-bottom-cta > .shell { align-items: flex-start; flex-direction: column; gap: 25px; }
  .detail-bottom-cta a { width: 100%; justify-content: space-between; }
  .support-hero-grid { grid-template-columns: 1fr; padding-bottom: 62px !important; }
  .support-hero-grid > div { padding: 64px 0 0; }
  .payment-section .detail-heading h2 { max-width: none; font-size: clamp(34px, 10vw, 40px); line-height: 1.08; }
  .payment-grid { justify-content: stretch; gap: 24px; }
  .payment-card { width: min(100%, 360px); margin-inline: auto; padding: 16px; }
  .qr-frame { width: min(100%, 272px); }
  .support-wall-grid article:nth-child(odd) { border-right: 0; }
  .support-wall-grid article:nth-child(even) { padding-left: 0; }
  .other-support { gap: 35px; padding-top: 78px; padding-bottom: 78px; }
  .other-support a { grid-template-columns: 33px 1fr 20px; }
  .other-support a p { grid-column: 2; }
  .other-support a b { grid-column: 3; grid-row: 1; }
  .feedback-section { padding-top: 55px; padding-bottom: 78px; }
  .feedback-form-card form { grid-template-columns: 1fr; padding: 20px; }
  .form-field, .form-field:has(textarea), .form-errors, .consent-row, .form-submit { grid-column: 1; }
}

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