:root {
  --paper: #ffffff;
  --paper-warm: #fafafa;
  --steel: #e8ecf3;
  --steel-deep: #d9e0eb;
  --ink: #1c2d42;
  --ink-soft: #5f6e82;
  --pink: #ff3385;
  --pink-dark: #d91d68;
  --blue: #0066ff;
  --line: rgba(28, 45, 66, .14);
  --shadow: 0 18px 45px rgba(28, 45, 66, .1);
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, system-ui, sans-serif; line-height: 1.75; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; opacity: .22; background-image: radial-gradient(rgba(28,45,66,.14) .6px, transparent .6px); background-size: 5px 5px; mask-image: linear-gradient(to bottom, #000, transparent 65%); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; display: inline-flex; align-items: center; gap: 7px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }
[data-lucide], .lucide { width: 1em; height: 1em; flex: none; stroke-width: 2.2; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; background: rgba(255,255,255,.86); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); transition: .25s ease; }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 8px 28px rgba(28,45,66,.07); }
.nav-wrap { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand img { width: 48px; height: 48px; border-radius: 13px; object-fit: cover; box-shadow: 0 5px 15px rgba(255,51,133,.26); transition: transform .28s ease, box-shadow .28s ease; }
.brand strong, .brand small { display: block; line-height: 1.05; }
.brand strong { font-size: 17px; letter-spacing: .06em; }
.brand small { margin-top: 5px; color: var(--pink-dark); font-size: 11px; letter-spacing: .15em; }
.primary-nav { display: flex; align-items: center; gap: clamp(10px, 1.45vw, 20px); font-size: 13px; font-weight: 700; }
.primary-nav > a { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.primary-nav > a:not(.nav-cta) { position: relative; padding: 9px 10px; color: var(--ink-soft); border: 1px solid transparent; border-radius: 999px; transition: color .22s, background .22s, border-color .22s, box-shadow .22s, text-shadow .22s; }
.primary-nav > a:not(.nav-cta) [data-lucide], .primary-nav > a:not(.nav-cta) .lucide { color: var(--blue); font-size: 15px; }
.primary-nav > a:not(.nav-cta):hover, .primary-nav > a:not(.nav-cta):focus-visible { color: var(--pink-dark); background: rgba(255,255,255,.96); border-color: rgba(255,51,133,.72); box-shadow: 0 0 0 3px rgba(255,51,133,.09), 0 0 18px rgba(255,51,133,.24), inset 0 0 12px rgba(0,102,255,.05); text-shadow: 0 0 12px rgba(255,51,133,.3); }
.primary-nav > a:not(.nav-cta):hover [data-lucide], .primary-nav > a:not(.nav-cta):hover .lucide, .primary-nav > a:not(.nav-cta):focus-visible [data-lucide], .primary-nav > a:not(.nav-cta):focus-visible .lucide { color: var(--pink); filter: drop-shadow(0 0 5px rgba(255,51,133,.42)); }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 99px; box-shadow: 0 7px 16px rgba(28,45,66,.2); transition: transform .2s, background .2s; }
.nav-cta:hover { transform: translateY(-2px); }
.nav-toggle { width: 42px; height: 42px; display: none; place-items: center; border: 0; border-radius: 8px; color: var(--ink); background: transparent; padding: 8px; cursor: pointer; }
.nav-toggle [data-lucide], .nav-toggle .lucide { width: 25px; height: 25px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.hero { position: relative; min-height: 760px; padding: 155px 0 90px; overflow: hidden; background: linear-gradient(112deg, #fff 0 53%, #e8ecf3 53% 100%); }
.hero::before { content: ""; position: absolute; width: 55vw; height: 55vw; max-width: 750px; max-height: 750px; right: -10vw; top: 90px; border: 1px solid rgba(0,102,255,.18); border-radius: 50%; box-shadow: 0 0 0 25px rgba(0,102,255,.035), 0 0 0 50px rgba(0,102,255,.02); }
.hero-grid { display: grid; grid-template-columns: .91fr 1.09fr; align-items: center; gap: 34px; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 22px; }
.eyebrow, .section-index { color: var(--pink-dark); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 5px rgba(255,51,133,.14); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 580px; margin-bottom: 16px; font-size: clamp(40px, 5vw, 64px); line-height: 1.08; letter-spacing: -.055em; font-weight: 900; }
h1 em { color: var(--pink); font-style: normal; text-shadow: 4px 4px 0 rgba(255,51,133,.1); }
.hero-lead { max-width: 470px; margin-bottom: 13px; font-size: clamp(19px, 2.1vw, 25px); line-height: 1.45; font-weight: 800; }
.hero-text { max-width: 510px; margin-bottom: 31px; color: var(--ink-soft); font-size: 15px; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-bottom: 42px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 48px; padding: 11px 21px; border-radius: 99px; font-size: 14px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.btn [data-lucide], .btn .lucide { width: 18px; height: 18px; }
.btn-primary { background: var(--pink); color: #fff; box-shadow: 0 12px 23px rgba(255,51,133,.28); }
.btn-primary:hover { background: var(--pink-dark); transform: translateY(-3px); box-shadow: 0 16px 28px rgba(255,51,133,.34); }
.btn-ghost { color: var(--ink); border: 1px solid var(--line); background: rgba(255,255,255,.64); }
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--ink); }
.hero-stats { display: flex; gap: 31px; margin: 0; }
.hero-stats div { padding-left: 13px; border-left: 2px solid var(--pink); transition: transform .22s ease, border-color .22s ease; }
.hero-stats dt { color: var(--ink-soft); font-size: 11px; }
.hero-stats dd { margin: 2px 0 0; font-size: 16px; font-weight: 800; }
.hero-art { position: relative; z-index: 1; min-height: 485px; display: flex; align-items: center; justify-content: center; }
.hero-art::after { content: ""; position: absolute; inset: 10% -9% 5% 4%; border: 1px solid rgba(28,45,66,.22); border-radius: 50% 48% 53% 45%; transform: rotate(-9deg); pointer-events: none; }
.hero-art > img { width: min(100%, 650px); height: 410px; object-fit: cover; border-radius: 26px; box-shadow: var(--shadow); filter: saturate(1.05); transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .45s ease, filter .45s ease; }
.hero-ring { position: absolute; width: 270px; height: 270px; right: -15px; top: 8px; border: 2px solid var(--pink); border-radius: 50%; opacity: .55; }
.hero-card { position: absolute; left: -6px; bottom: 13px; width: 178px; padding: 19px 18px; color: #fff; background: var(--ink); border-left: 4px solid var(--pink); box-shadow: 11px 15px 0 rgba(0,102,255,.14); transition: transform .35s ease, box-shadow .35s ease; }
.mini-label { display: block; margin-bottom: 13px; color: #76a7ff; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.hero-card strong { display: block; font-size: 15px; line-height: 1.5; }
.card-line { display: block; width: 40px; height: 2px; margin-top: 18px; background: var(--pink); }
.hero-scroll { position: absolute; bottom: 22px; left: 50%; display: flex; gap: 10px; align-items: center; color: var(--ink-soft); font-size: 10px; letter-spacing: .16em; transform: translateX(-50%); }
.hero-scroll span { display: block; width: 1px; height: 26px; background: var(--pink); }

.section { padding: 125px 0; }
.section-intro { background: var(--paper-warm); }
.intro-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.section-heading h2 { max-width: 570px; margin: 13px 0 17px; font-size: clamp(28px, 3.2vw, 42px); line-height: 1.2; letter-spacing: -.045em; }
.section-heading > p:not(.heading-accent) { max-width: 500px; color: var(--ink-soft); }
.heading-accent { width: 45px; height: 4px; margin: 0; background: var(--pink); }
.intro-copy { padding-top: 40px; color: var(--ink-soft); font-size: 16px; }
.intro-copy p { max-width: 655px; }
.intro-copy .lead-paragraph { color: var(--ink); font-size: 19px; line-height: 1.75; font-weight: 500; }
.intro-note { display: flex; align-items: flex-start; gap: 15px; margin-top: 28px; padding: 17px 19px; border-left: 3px solid var(--blue); background: var(--steel); color: var(--ink); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease; }
.intro-note p { margin: 0; font-weight: 700; }
.quote-mark { color: var(--pink); font-family: Georgia, serif; font-size: 42px; line-height: .9; }
.centered { text-align: center; }
.centered > p:last-child { margin-inline: auto; }
.section-content { background: var(--paper); }
.content-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 58px; align-items: start; margin-top: 58px; }
.content-image { position: sticky; top: 110px; }
.content-image img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; border-radius: var(--radius); box-shadow: var(--shadow); background: var(--steel); transition: transform .35s ease, box-shadow .35s ease, filter .35s ease; }
.image-caption { display: inline-flex; margin-top: 13px; color: var(--ink-soft); font-size: 10px; letter-spacing: .14em; }
.content-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.info-card { display: flex; gap: 14px; min-height: 166px; padding: 22px 20px; background: var(--steel); border: 1px solid transparent; border-radius: 13px; transition: transform .2s, border-color .2s, box-shadow .2s; }
.card-number { flex: none; color: var(--pink); font-size: 13px; font-weight: 900; transition: transform .22s ease, color .22s ease; }
.info-card h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.35; }
.info-card p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.section-guide { background: var(--ink); color: #fff; overflow: hidden; }
.guide-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 80px; align-items: center; }
.guide-copy .section-index, .section-guide .section-index { color: #76a7ff; }
.guide-copy h2 { margin-bottom: 20px; }
.guide-copy > .lead-paragraph { color: rgba(255,255,255,.78); font-size: 17px; }
.guide-tabs { display: flex; gap: 7px; margin: 31px 0 22px; border-bottom: 1px solid rgba(255,255,255,.2); }
.guide-tab { display: inline-flex; align-items: center; gap: 7px; border: 0; padding: 9px 0; margin-right: 19px; color: rgba(255,255,255,.56); background: transparent; cursor: pointer; font-size: 13px; font-weight: 700; border-bottom: 2px solid transparent; transition: color .2s ease, border-color .2s ease, text-shadow .2s ease; }
.guide-tab [data-lucide], .guide-tab .lucide { width: 15px; height: 15px; }
.guide-tab.is-active { color: #fff; border-color: var(--pink); }
.guide-panel { display: none; min-height: 150px; }
.guide-panel.is-active { display: block; }
.guide-panel h3 { margin-bottom: 8px; color: #fff; font-size: 21px; }
.guide-panel p { max-width: 520px; margin: 0; color: rgba(255,255,255,.7); font-size: 14px; }
.guide-visual { position: relative; }
.guide-visual img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; border-radius: 22px; border: 5px solid rgba(255,255,255,.1); background: rgba(255,255,255,.06); transition: transform .38s ease, border-color .38s ease, box-shadow .38s ease; }
.tip-chip { position: absolute; right: -25px; bottom: 24px; display: flex; align-items: center; gap: 12px; padding: 13px 17px; background: var(--pink); box-shadow: 8px 8px 0 rgba(0,102,255,.6); transition: transform .32s ease, box-shadow .32s ease; }
.tip-chip span { font-size: 10px; letter-spacing: .15em; }
.tip-chip strong { font-size: 12px; }

.section-features { background: var(--paper-warm); }
.feature-grid { display: grid; grid-template-columns: 1.15fr .85fr; grid-auto-rows: 190px; gap: 16px; margin-top: 55px; }
.feature-card { min-height: 0; padding: 26px 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; transition: transform .3s cubic-bezier(.2,.8,.2,1), border-color .3s ease, box-shadow .3s ease, background .3s ease; }
.feature-card-wide { grid-column: 1; grid-row: span 2; position: relative; min-height: 0; padding: 0; overflow: hidden; border: 0; }
.feature-card:not(.feature-card-wide) { grid-column: 2; }
.feature-card-wide img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.8,.2,1), filter .55s ease; }
.feature-overlay { position: absolute; inset: auto 0 0; padding: 26px 27px 23px; color: #fff; background: linear-gradient(transparent, rgba(28,45,66,.95)); transition: padding-bottom .35s ease, background .35s ease; }
.feature-overlay span { color: #76a7ff; font-size: 10px; letter-spacing: .15em; font-weight: 800; }
.feature-overlay h3 { margin: 7px 0 4px; font-size: 22px; }
.feature-overlay p { margin: 0; color: rgba(255,255,255,.76); font-size: 13px; }
.feature-icon { width: 35px; height: 35px; display: grid; place-items: center; margin-bottom: 16px; color: var(--pink); border: 1px solid rgba(255,51,133,.35); border-radius: 50%; font-size: 18px; transition: transform .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease; }
.feature-icon.blue { color: var(--blue); border-color: rgba(0,102,255,.35); }
.feature-card h3 { margin-bottom: 8px; font-size: 18px; }
.feature-card > p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }

.screenshots-block { margin-top: 112px; }
.screenshots-block .section-heading h2 { margin-bottom: 12px; }
.screenshot-gallery { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(230px, .65fr); gap: 18px; margin-top: 38px; }
.screenshot-main { position: relative; min-width: 0; margin: 0; overflow: hidden; border: 1px solid transparent; border-radius: 14px; background: var(--steel); box-shadow: var(--shadow); transition: transform .32s ease, border-color .32s ease, box-shadow .32s ease; }
.screenshot-main img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: var(--steel); }
.screenshot-main figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 12px 16px; color: #fff; background: linear-gradient(transparent, rgba(28,45,66,.88)); font-size: 12px; font-weight: 700; }
.screenshot-thumbs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-content: start; }
.screenshot-thumb { position: relative; min-width: 0; aspect-ratio: 16 / 9; padding: 0; overflow: hidden; border: 2px solid transparent; border-radius: 10px; background: var(--steel); cursor: pointer; transition: border-color .2s, transform .2s, box-shadow .2s; }
.screenshot-thumb img { width: 100%; height: 100%; object-fit: contain; background: var(--steel); }
.thumb-icon { position: absolute; right: 7px; bottom: 7px; width: 27px; height: 27px; display: grid; place-items: center; color: #fff; background: rgba(28,45,66,.82); border: 1px solid rgba(255,255,255,.36); border-radius: 50%; opacity: .85; transition: background .2s, transform .2s; }
.thumb-icon [data-lucide], .thumb-icon .lucide { width: 13px; height: 13px; }
.screenshot-thumb:hover { transform: translateY(-3px); box-shadow: 0 8px 17px rgba(28,45,66,.15); }
.screenshot-thumb:hover .thumb-icon, .screenshot-thumb.is-active .thumb-icon { background: var(--pink); transform: scale(1.06); }
.screenshot-thumb.is-active { border-color: var(--pink); box-shadow: 0 0 0 2px rgba(255,51,133,.18); }

.section-updates { background: var(--steel); }
.updates-grid { display: block; }
.updates-grid .timeline { margin-top: 42px; }
.text-link { display: inline-flex; gap: 8px; align-items: center; margin-top: 22px; color: var(--pink-dark); font-size: 13px; font-weight: 800; }
.text-link [data-lucide], .text-link .lucide { width: 16px; height: 16px; transition: transform .2s; }
.text-link:hover [data-lucide], .text-link:hover .lucide { transform: translate(2px,-2px); }
.timeline { position: relative; display: grid; gap: 0; margin: 0; padding: 0 0 0 90px; list-style: none; }
.timeline::before { content: ""; position: absolute; top: 7px; bottom: 7px; left: 44px; width: 1px; background: rgba(28,45,66,.2); }
.timeline li { position: relative; display: grid; grid-template-columns: 86px 1fr; gap: 22px; padding: 0 0 29px; }
.timeline li > div { margin: -10px 0 0; padding: 10px 14px; border: 1px solid transparent; border-radius: 10px; transition: transform .24s ease, background .24s ease, border-color .24s ease, box-shadow .24s ease; }
.timeline li::before { content: ""; position: absolute; left: -51px; top: 7px; width: 8px; height: 8px; background: var(--pink); border: 3px solid var(--steel); border-radius: 50%; box-shadow: 0 0 0 1px var(--pink); transition: transform .24s ease, box-shadow .24s ease; }
.timeline time { color: var(--blue); font-size: 14px; font-weight: 900; }
.timeline h3 { margin: 0 0 4px; font-size: 16px; }
.timeline p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.section-faq { background: var(--paper); }
.faq-grid { display: block; width: min(100%, var(--container)); margin-inline: auto; }
.faq-grid .faq-list { width: min(100%, 1024px); margin: 42px auto 0; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { background: var(--paper-warm); border: 1px solid var(--line); border-radius: 10px; transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease; }
.faq-list details[open] { background: var(--steel); border-color: rgba(255,51,133,.36); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 19px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary [data-lucide], .faq-list summary .lucide { width: 19px; height: 19px; color: var(--pink); transition: transform .2s; }
.faq-list details[open] summary [data-lucide], .faq-list details[open] summary .lucide { transform: rotate(180deg); }
.faq-list details p { margin: -5px 19px 17px; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.floating-cta { position: fixed; right: 24px; bottom: 24px; z-index: 30; display: inline-flex; align-items: center; gap: 10px; min-height: 50px; padding: 12px 20px; color: #fff; background: var(--pink); border: 2px solid #fff; border-radius: 99px; box-shadow: 0 12px 28px rgba(255,51,133,.35), 0 0 0 1px rgba(255,51,133,.25); font-size: 14px; font-weight: 800; transition: transform .2s, background .2s, box-shadow .2s; }
.floating-cta [data-lucide], .floating-cta .lucide { width: 17px; height: 17px; }
.floating-cta:hover { transform: translateY(-4px); background: var(--pink-dark); box-shadow: 0 16px 32px rgba(255,51,133,.45), 0 0 0 1px rgba(255,51,133,.3); }
.friend-links { color: #fff; background: var(--ink); border-top: 1px solid rgba(118,167,255,.2); }
.friend-links-inner { padding: 54px 0 58px; text-align: center; }
.friend-links h2 { margin: 0 0 25px; color: #fff; font-size: 30px; line-height: 1.25; letter-spacing: 0; }
.friend-links-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.friend-links-list a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; max-width: 100%; padding: 9px 21px; color: rgba(255,255,255,.9); background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; box-shadow: inset 0 1px 0 rgba(255,255,255,.08); font-size: 13px; font-weight: 700; line-height: 1.45; transition: transform .22s ease, color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease; }
.site-footer { background: var(--paper-warm); border-top: 1px solid var(--line); }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.footer-brand img { width: 40px; height: 40px; border-radius: 10px; }
.footer-brand strong { font-size: 14px; }
.footer-inner > p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.back-top { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--pink-dark); background: var(--paper); font-size: 19px; transition: transform .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease; }
.back-top [data-lucide], .back-top .lucide { width: 18px; height: 18px; }

@media (hover: hover) and (pointer: fine) {
  .brand:hover img { transform: translateY(-2px) rotate(-3deg) scale(1.04); box-shadow: 0 10px 22px rgba(255,51,133,.34); }
  .btn [data-lucide], .btn .lucide, .floating-cta [data-lucide], .floating-cta .lucide { transition: transform .22s ease; }
  .btn-primary:hover [data-lucide], .btn-primary:hover .lucide, .floating-cta:hover [data-lucide], .floating-cta:hover .lucide { transform: translate(2px,-1px); }
  .btn-ghost:hover [data-lucide], .btn-ghost:hover .lucide { transform: translateY(2px); }
  .hero-art:hover > img { transform: translateY(-6px) scale(1.012); filter: saturate(1.1) contrast(1.02); box-shadow: 0 28px 58px rgba(28,45,66,.18); }
  .hero-art:hover .hero-card { transform: translate(5px,-5px); box-shadow: 14px 19px 0 rgba(0,102,255,.2); }
  .hero-stats div:hover { transform: translateY(-3px); border-color: var(--blue); }
  .intro-note:hover { transform: translateX(6px); border-color: var(--pink); background: #fff; box-shadow: 0 12px 28px rgba(28,45,66,.09); }
  .content-image:hover img { transform: translateY(-5px); filter: saturate(1.04); box-shadow: 0 25px 55px rgba(28,45,66,.16); }
  .info-card:hover { transform: translateY(-6px); background: #fff; border-color: rgba(255,51,133,.42); box-shadow: 0 18px 34px rgba(28,45,66,.12); }
  .info-card:hover .card-number { transform: translateY(-2px) scale(1.12); color: var(--blue); }
  .guide-tab:hover { color: #fff; border-color: rgba(255,51,133,.65); text-shadow: 0 0 14px rgba(118,167,255,.5); }
  .guide-visual:hover img { transform: translateY(-5px); border-color: rgba(118,167,255,.42); box-shadow: 0 20px 48px rgba(0,0,0,.24), 0 0 26px rgba(0,102,255,.12); }
  .guide-visual:hover .tip-chip { transform: translate(-4px,-4px); box-shadow: 12px 12px 0 rgba(0,102,255,.52); }
  .feature-card:hover { transform: translateY(-6px); border-color: rgba(255,51,133,.4); background: #fff; box-shadow: 0 18px 36px rgba(28,45,66,.12); }
  .feature-card:not(.feature-card-wide):hover .feature-icon { transform: rotate(10deg) scale(1.1); border-color: var(--pink); box-shadow: 0 0 0 5px rgba(255,51,133,.08), 0 0 16px rgba(255,51,133,.18); }
  .feature-card-wide:hover img { transform: scale(1.045); filter: saturate(1.08) contrast(1.03); }
  .feature-card-wide:hover .feature-overlay { padding-bottom: 29px; background: linear-gradient(transparent, rgba(28,45,66,.98)); }
  .screenshot-main:hover { transform: translateY(-4px); border-color: rgba(0,102,255,.24); box-shadow: 0 24px 52px rgba(28,45,66,.16); }
  .timeline li:hover > div { transform: translateX(6px); background: rgba(255,255,255,.72); border-color: rgba(255,51,133,.2); box-shadow: 0 10px 22px rgba(28,45,66,.07); }
  .timeline li:hover::before { transform: scale(1.35); box-shadow: 0 0 0 1px var(--pink), 0 0 0 6px rgba(255,51,133,.12), 0 0 16px rgba(255,51,133,.4); }
  .faq-list details:hover { transform: translateX(-5px); border-color: rgba(255,51,133,.38); box-shadow: 0 12px 26px rgba(28,45,66,.09); }
  .back-top:hover { transform: translateY(-4px); color: #fff; background: var(--pink); border-color: var(--pink); box-shadow: 0 10px 22px rgba(255,51,133,.28); }
  .friend-links-list a:hover { transform: translateY(-3px); color: #fff; background: rgba(255,51,133,.17); border-color: rgba(255,51,133,.72); box-shadow: 0 9px 24px rgba(0,0,0,.2), 0 0 18px rgba(255,51,133,.18); }
}

.reveal { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid rgba(0,102,255,.5); outline-offset: 3px; }

@media (max-width: 980px) {
  .primary-nav { gap: 13px; }
  .primary-nav > a:not(.nav-cta) { font-size: 12px; }
  .hero-grid, .intro-grid, .guide-grid, .updates-grid, .faq-grid { gap: 45px; }
  .content-layout { gap: 30px; }
  .content-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .feature-card-wide { grid-column: span 2; grid-row: auto; }
  .feature-card:not(.feature-card-wide) { grid-column: auto; }
  .screenshot-gallery { grid-template-columns: 1fr; }
  .screenshot-thumbs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .container { width: min(calc(100% - 36px), var(--container)); }
  .nav-wrap { height: 68px; }
  .nav-toggle { display: grid; }
  .primary-nav { position: absolute; inset: 68px 18px auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 17px 17px; background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.nav-cta) { margin: 2px 0; padding: 9px 12px; }
  .primary-nav > a [data-lucide], .primary-nav > a .lucide { width: 17px; height: 17px; }
  .nav-cta { justify-content: center; margin-top: 7px; }
  .hero { min-height: auto; padding: 125px 0 80px; background: linear-gradient(165deg, #fff 0 61%, #e8ecf3 61% 100%); }
  .hero::before { width: 90vw; height: 90vw; top: 460px; right: -40vw; }
  .hero-grid, .intro-grid, .guide-grid, .content-layout, .updates-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(43px, 13vw, 65px); }
  .hero-art { min-height: 305px; margin-top: 25px; }
  .hero-art > img { height: 275px; border-radius: 18px; }
  .hero-ring { width: 170px; height: 170px; right: -4px; top: -17px; }
  .hero-card { left: -2px; bottom: -8px; width: 160px; padding: 14px; }
  .hero-card strong { font-size: 13px; }
  .hero-scroll { display: none; }
  .section { padding: 78px 0; }
  .section-heading h2 { font-size: 31px; }
  .intro-copy { padding-top: 0; }
  .intro-copy .lead-paragraph { font-size: 17px; }
  .content-layout { margin-top: 35px; }
  .content-image { position: static; }
  .content-image img { aspect-ratio: auto; }
  .content-cards { grid-template-columns: 1fr 1fr; }
  .info-card { min-height: 175px; padding: 17px 14px; }
  .info-card h3 { font-size: 15px; }
  .info-card p { font-size: 12px; }
  .guide-visual { order: -1; }
  .tip-chip { right: -3px; bottom: 15px; }
  .feature-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; gap: 10px; margin-top: 35px; }
  .feature-card-wide { grid-column: span 2; min-height: 235px; }
  .feature-card:not(.feature-card-wide) { grid-column: auto; }
  .feature-card { min-height: 170px; padding: 18px 15px; }
  .feature-card h3 { font-size: 16px; }
  .feature-card > p { font-size: 12px; }
  .screenshots-block { margin-top: 78px; }
  .screenshot-gallery { gap: 13px; margin-top: 28px; }
  .screenshot-thumbs { gap: 8px; }
  .updates-grid, .faq-grid { gap: 34px; }
  .updates-grid .timeline, .faq-grid .faq-list { margin-top: 28px; }
  .timeline { padding-left: 60px; }
  .timeline::before { left: 25px; }
  .timeline li { grid-template-columns: 66px 1fr; gap: 11px; }
  .timeline li::before { left: -35px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner { padding: 24px 0; gap: 15px; }
  .back-top { align-self: flex-end; margin-top: -54px; }
  .friend-links-inner { padding: 44px 0 48px; }
  .friend-links h2 { margin-bottom: 20px; font-size: 27px; }
  .friend-links-list { gap: 10px; }
  .friend-links-list a { padding: 9px 17px; }
  .floating-cta { right: 16px; bottom: 16px; min-height: 46px; padding: 10px 16px; font-size: 13px; }
}
@media (max-width: 420px) {
  .content-cards, .feature-grid { grid-template-columns: 1fr; }
  .feature-card-wide, .feature-card:not(.feature-card-wide) { grid-column: auto; grid-row: auto; }
  .feature-card-wide { min-height: 220px; }
  .screenshot-thumbs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-stats { gap: 19px; }
  .friend-links-list { align-items: stretch; flex-direction: column; }
  .friend-links-list a { width: 100%; border-radius: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}