:root {
  --bg: #05090d;
  --panel: #0a1318;
  --panel-2: #0e1a21;
  --ink: #f2f7f7;
  --muted: #82959e;
  --dim: #5c6d76;
  --cyan: #4df0ff;
  --lime: #c7ff3d;
  --pink: #ff4f9a;
  --line: rgba(255,255,255,.13);
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 74px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 20px; line-height: 1.72; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
::selection { background: var(--cyan); color: #031014; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.container { width: min(1220px, calc(100% - 44px)); margin-inline: auto; }
.section { padding: 82px 0; background: var(--bg); }
.age-bar { height: 31px; display: flex; align-items: center; justify-content: center; background: #020507; color: rgba(255,255,255,.42); font-size: 10.5px; letter-spacing: .05em; }

/* header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(5,9,13,.9); border-bottom: 1px solid var(--line); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.brand img { width: 37px; height: 37px; border-radius: 9px; object-fit: cover; }
.brand b { font-size: 21px; letter-spacing: -.04em; font-weight: 900; }
.nav { display: flex; gap: 20px; margin-left: auto; }
.nav a { color: #93a5ae; font-size: 14px; }
.nav a:hover { color: var(--cyan); }
.header-cta { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 999px; background: var(--cyan); color: #031014; font-size: 13px; font-weight: 900; white-space: nowrap; }
.header-cta .ico { width: 15px; height: 15px; }
.header-cta:hover { background: var(--lime); }
.menu-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; }
.menu-btn i { position: relative; display: block; width: 17px; height: 1.5px; background: #fff; }
.menu-btn i::before, .menu-btn i::after { content: ""; position: absolute; left: 0; width: 17px; height: 1.5px; background: #fff; transition: transform .2s ease; }
.menu-btn i::before { top: -6px; }
.menu-btn i::after { top: 6px; }
.menu-btn[aria-expanded="true"] i { background: transparent; }
.menu-btn[aria-expanded="true"] i::before { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] i::after { transform: translateY(-6px) rotate(-45deg); }
.mobile-nav { display: none; padding: 8px 20px 18px; background: #081116; border-top: 1px solid var(--line); }
.mobile-nav.is-open { display: block; }
.mobile-nav a { display: block; padding: 11px 2px; border-bottom: 1px solid var(--line); color: #93a5ae; font-size: 14px; }
.mobile-nav .header-cta { margin-top: 12px; color: #031014; }

/* hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 84% 28%, rgba(77,240,255,.18), transparent 33%), radial-gradient(circle at 12% 100%, rgba(199,255,61,.1), transparent 40%), #05090d; padding: 52px 0 0; }
.aurora { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; pointer-events: none; }
.a1 { width: 520px; height: 520px; right: -80px; top: -140px; background: #164cff; animation: drift 12s ease-in-out infinite alternate; }
.a2 { width: 380px; height: 380px; left: 25%; bottom: -260px; background: #0a6c5b; animation: drift 15s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate3d(40px, 34px, 0) scale(1.12); } }
.scan { position: absolute; inset: 0; pointer-events: none; opacity: .18; background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.18) 3px 4px); animation: scan 8s linear infinite; }
@keyframes scan { to { background-position: 0 80px; } }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 26px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 11px; color: var(--cyan); font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; }
.eyebrow span { width: 7px; height: 7px; background: var(--lime); box-shadow: 0 0 14px var(--lime); }
.hero h1 { margin: 0 0 2px -3px; font-size: clamp(76px, 8.8vw, 126px); line-height: .9; letter-spacing: -.09em; font-weight: 900; text-shadow: 2px 0 0 rgba(77,240,255,.22), -2px 0 0 rgba(255,79,154,.18); }
.hero-sub { margin: 9px 0 13px; font-size: clamp(29px, 3.2vw, 42px); line-height: 1.3; letter-spacing: -.05em; font-weight: 800; }
.hero-sub em { color: var(--cyan); font-style: normal; }
.hero-desc { max-width: 530px; margin: 0 0 17px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 12px 22px; border: 1.5px solid transparent; border-radius: 3px; font-size: 14.5px; font-weight: 800; transition: transform .16s ease, background .16s ease, color .16s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-neon { background: var(--lime); color: #071014; box-shadow: 0 0 24px rgba(199,255,61,.25); }
.btn-neon:hover { background: var(--cyan); }
.btn-ghost { border-color: rgba(255,255,255,.3); color: #fff; }
.btn-ghost:hover { background: #fff; color: #071014; }
.btn-dark { background: #061014; color: #fff; }
.btn-dark:hover { background: #fff; color: #061014; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; padding: 0; list-style: none; }
.hero-pills li { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: rgba(255,255,255,.55); font-size: 10px; }
.hero-pills .ico { width: 12px; height: 12px; color: var(--lime); }

.hero-stage { position: relative; height: 520px; }
.stage-ring { position: absolute; left: 50%; top: 50%; width: 430px; height: 430px; transform: translate(-50%,-50%); border: 1px solid rgba(77,240,255,.28); border-radius: 50%; box-shadow: 0 0 0 42px rgba(77,240,255,.025), 0 0 0 84px rgba(199,255,61,.018); }
.stage-card { position: absolute; overflow: hidden; background: #111; border: 2px solid rgba(255,255,255,.85); box-shadow: 0 24px 50px -24px #000; }
.stage-card img { width: 100%; height: 100%; object-fit: cover; }
.stage-card > span { position: absolute; left: 8px; bottom: 8px; padding: 3px 6px; background: rgba(0,0,0,.7); color: #fff; font-family: var(--mono); font-size: 8px; }
.stage-card.c1 { width: 170px; height: 268px; left: 1%; top: 96px; transform: rotate(-9deg); z-index: 1; opacity: .9; }
.stage-card.c2 { width: 245px; height: 380px; left: 30%; top: 42px; transform: rotate(1deg); z-index: 3; }
.stage-card.c3 { width: 170px; height: 268px; right: 1%; top: 112px; transform: rotate(9deg); z-index: 2; opacity: .9; }
.stage-card .play { position: absolute; right: 10px; bottom: 10px; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--lime); color: #071014; }
.stage-card .play .ico { width: 16px; height: 16px; fill: #071014; }
.stage-badge { position: absolute; right: 4%; top: 0; z-index: 5; display: flex; flex-direction: column; padding: 8px 10px; background: var(--cyan); color: #031014; transform: rotate(4deg); }
.stage-badge b { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.stage-badge span { font-size: 10px; font-weight: 700; }
.stage-note { position: absolute; left: 2%; bottom: 2px; z-index: 5; display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border: 1px solid rgba(199,255,61,.45); background: rgba(5,9,13,.8); color: var(--lime); font-family: var(--mono); font-size: 9px; }
.stage-note .ico { width: 12px; height: 12px; }
.hero-stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4,1fr); margin-top: 30px; border-top: 1px solid var(--line); }
.hero-stats div { padding: 16px 14px; border-left: 1px solid var(--line); }
.hero-stats div:first-child { border-left: 0; padding-left: 0; }
.hero-stats b { display: block; font-size: 28px; line-height: 1; }
.hero-stats b em { color: var(--cyan); font-size: 11px; font-style: normal; }
.hero-stats span { display: block; margin-top: 4px; color: var(--dim); font-size: 10px; }

/* marquee */
.marquee { overflow: hidden; background: var(--lime); color: #061014; border-top: 1px solid #000; border-bottom: 1px solid #000; }
.marquee-track { display: flex; width: max-content; align-items: center; animation: tick 26s linear infinite; }
.marquee-track span { padding: 9px 22px; font-family: var(--mono); font-size: 11px; font-weight: 800; white-space: nowrap; }
.marquee-track i { width: 6px; height: 6px; background: #061014; }
@keyframes tick { to { transform: translateX(-50%); } }

/* heads */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.label { margin: 0 0 7px; color: var(--cyan); font-family: var(--mono); font-size: 11px; letter-spacing: .09em; }
.section-head h2 { margin: 0; font-size: clamp(40px, 4.8vw, 64px); line-height: 1.02; letter-spacing: -.065em; font-weight: 900; }
.section-head h2 em { color: var(--cyan); font-style: normal; }
.head-aside { max-width: 330px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; text-align: right; }

/* first */
.first-section { background: var(--bg); }
.first-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
.first-img { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.18); }
.first-img img { width: 100%; height: 340px; object-fit: cover; transition: transform .5s ease; }
.first-card:hover .first-img img { transform: scale(1.04); }
.first-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.55), transparent 45%); pointer-events: none; }
.first-img > span { position: absolute; left: 8px; top: 8px; z-index: 2; padding: 3px 7px; background: var(--lime); color: #061014; font-family: var(--mono); font-size: 8px; font-weight: 800; }
.first-img i { position: absolute; right: 9px; bottom: 9px; z-index: 2; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--cyan); color: #061014; }
.first-img .ico { width: 14px; height: 14px; fill: #061014; }
.first-card h3 { margin: 8px 0 1px; font-size: 18px; letter-spacing: -.02em; }
.first-card p { margin: 0; color: var(--muted); font-size: 11px; }

/* universe */
.universe-section { background: var(--panel); }
.universe-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.universe-card { position: relative; overflow: hidden; height: 420px; border: 1px solid rgba(255,255,255,.15); }
.universe-card > img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.universe-card:hover > img { transform: scale(1.05); }
.universe-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,8,11,.96) 0%, rgba(3,8,11,.2) 62%, transparent 100%); }
.u-copy { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 20px; }
.u-copy b { color: var(--lime); font-family: var(--mono); font-size: 10px; }
.u-copy > span { display: block; margin-top: 3px; color: rgba(255,255,255,.45); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; }
.u-copy h3 { margin: 3px 0 4px; font-size: 30px; letter-spacing: -.04em; }
.u-copy p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; line-height: 1.7; }
.u-copy i { position: absolute; right: 20px; bottom: 21px; display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: var(--cyan); }
.u-copy .ico { width: 15px; height: 15px; }

/* immersive */
.immersive-section { background: #05090d; }
.immersive-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 34px; align-items: center; }
.immersive-copy h2 { margin: 0 0 8px; font-size: clamp(42px,4.9vw,66px); line-height: 1.02; letter-spacing: -.065em; }
.immersive-copy h2 em { color: var(--cyan); font-style: normal; }
.immersive-copy > p:not(.label) { max-width: 470px; margin: 0 0 13px; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.immersive-copy ul { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 0 0 20px; padding: 0; list-style: none; }
.immersive-copy li { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border: 1px solid var(--line); color: #b4c3c9; font-size: 11px; }
.immersive-copy li .ico { color: var(--lime); width: 15px; height: 15px; }
.immersive-phones { position: relative; height: 450px; }
.phone { position: absolute; overflow: hidden; width: 180px; height: 340px; border: 2px solid rgba(255,255,255,.8); border-radius: 19px; background: #111; box-shadow: 0 20px 40px -22px #000; }
.phone > img { width: 100%; height: 100%; object-fit: cover; }
.phone.p1 { left: 2%; top: 64px; transform: rotate(-7deg); z-index: 1; }
.phone.p2 { left: 31%; top: 22px; transform: rotate(1deg); z-index: 3; }
.phone.p3 { right: 1%; top: 76px; transform: rotate(7deg); z-index: 2; }
.pt { position: absolute; left: 0; right: 0; top: 0; z-index: 2; display: flex; align-items: center; gap: 5px; padding: 8px 8px 16px; background: linear-gradient(180deg, rgba(0,0,0,.86), transparent); color: #fff; }
.pt span { font-family: var(--mono); font-size: 7px; }
.pt b { font-size: 7.5px; }
.pt .ico { margin-left: auto; width: 11px; height: 11px; }
.pb { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 32px 9px 9px; background: linear-gradient(0deg, rgba(0,0,0,.92), transparent); color: #fff; }
.pb b { display: block; font-size: 11px; }
.pb span { display: block; color: rgba(255,255,255,.5); font-size: 7px; }

/* daily */
.daily-section { background: var(--panel); }
.day-tabs { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 16px; }
.day-tabs button { padding: 7px 13px; border: 1px solid rgba(255,255,255,.18); color: #9ab0b8; font-size: 11px; }
.day-tabs button:hover { border-color: var(--cyan); color: var(--cyan); }
.day-tabs button.active { background: var(--cyan); border-color: var(--cyan); color: #031014; font-weight: 800; }
.schedule { border-top: 1px solid rgba(255,255,255,.3); }
.schedule-row { display: grid; grid-template-columns: 62px 58px minmax(0,1fr) 72px 70px 18px; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.schedule-row > b { color: var(--lime); font-family: var(--mono); font-size: 12px; }
.schedule-row img { width: 58px; height: 75px; object-fit: cover; border-radius: 3px; }
.schedule-row h3 { margin: 0 0 1px; font-size: 16px; }
.schedule-row p { margin: 0; color: var(--dim); font-size: 9px; }
.schedule-row .ep { color: var(--muted); font-family: var(--mono); font-size: 10px; text-align: right; }
.schedule-row .tag { justify-self: end; padding: 2px 6px; border: 1px solid rgba(77,240,255,.35); color: var(--cyan); font-family: var(--mono); font-size: 8px; }
.schedule-row .ico { color: var(--cyan); width: 15px; height: 15px; }

/* rank */
.rank-section { background: #05090d; }
.rank-list { border-top: 2px solid var(--lime); }
.rank-row { display: grid; grid-template-columns: 34px 55px minmax(0,1fr) 170px 45px; gap: 12px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line); }
.rank-row > b { color: var(--lime); font-family: var(--mono); font-size: 14px; }
.rank-row img { width: 55px; height: 72px; object-fit: cover; border-radius: 3px; }
.rank-row h3 { margin: 0 0 1px; font-size: 16px; }
.rank-row p { margin: 0; color: var(--dim); font-size: 9px; }
.rank-row .bar { height: 5px; background: rgba(255,255,255,.1); overflow: hidden; }
.rank-row .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--lime)); animation: grow 1.2s ease both; transform-origin: left; }
@keyframes grow { from { transform: scaleX(0); } }
.rank-row em { color: var(--cyan); font-family: var(--mono); font-size: 10px; font-style: normal; text-align: right; }

/* stills */
.stills { display: grid; grid-template-columns: repeat(4,1fr); background: #05090d; }
.still { position: relative; height: 350px; overflow: hidden; }
.still img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: transform .55s ease, filter .55s ease; }
.still:hover img { transform: scale(1.06); filter: saturate(1.1); }
.still::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.6), transparent 55%); }
.still span { position: absolute; left: 14px; bottom: 13px; z-index: 2; color: #fff; font-family: var(--mono); font-size: 9px; letter-spacing: .05em; }

/* features */
.feature-section { background: var(--panel); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 11px; }
.feature-grid article { padding: 19px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.025); }
.feature-grid .ico { width: 23px; height: 23px; color: var(--cyan); }
.feature-grid h3 { margin: 9px 0 3px; font-size: 21px; letter-spacing: -.03em; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.feature-main { display: grid; grid-template-columns: 60px 1fr; gap: 3px 12px; align-content: center; background: var(--lime) !important; border-color: var(--lime) !important; color: #061014; }
.feature-main img { width: 60px; height: 60px; border-radius: 12px; grid-row: 1 / 4; }
.feature-main h3 { margin: 0; color: #061014; font-size: 23px; }
.feature-main p { grid-column: 2; color: rgba(6,16,20,.7); }
.feature-main span { grid-column: 2; margin-top: 5px; color: rgba(6,16,20,.6); font-family: var(--mono); font-size: 9px; }

/* download */
.download-section { background: var(--cyan); color: #031014; }
.download-section .label { color: rgba(3,16,20,.65); }
.down-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; align-items: center; }
.down-copy h2 { margin: 0 0 8px; color: #031014; font-size: clamp(42px,5vw,68px); line-height: 1.01; letter-spacing: -.065em; }
.down-copy h2 em { color: #fff; font-style: normal; }
.down-copy > p:not(.label) { max-width: 520px; margin: 0 0 18px; color: rgba(3,16,20,.72); font-size: 14px; line-height: 1.85; }
.down-points { display: grid; gap: 0; margin-bottom: 20px; border-top: 1px solid rgba(3,16,20,.35); }
.down-points div { display: grid; grid-template-columns: 24px 110px 1fr; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(3,16,20,.22); }
.down-points .ico { color: #031014; width: 16px; height: 16px; }
.down-points b { font-size: 13px; }
.down-points span { color: rgba(3,16,20,.62); font-size: 10px; }
.down-side { display: flex; align-items: center; justify-content: center; gap: 18px; }
.down-phone { position: relative; width: 200px; height: 370px; overflow: hidden; border: 3px solid #031014; border-radius: 14px; box-shadow: 10px 12px 0 rgba(3,16,20,.22); }
.down-phone > img { width: 100%; height: 100%; object-fit: cover; }
.down-phone > div { position: absolute; left: 0; right: 0; bottom: 0; padding: 36px 10px 11px; background: linear-gradient(0deg, rgba(3,16,20,.94), transparent); }
.down-phone b { display: block; color: #fff; font-size: 13px; }
.down-phone span { display: block; color: rgba(255,255,255,.45); font-size: 8px; }
.down-phone i { position: absolute; right: 10px; bottom: 11px; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--lime); color: #031014; }
.down-phone i .ico { width: 13px; height: 13px; fill: #031014; }
.qr-box { padding: 11px; border: 2px solid #031014; border-radius: 6px; text-align: center; background: #fff; }
.qr-box img { width: 107px; height: 107px; padding: 4px; }
.qr-box p { margin: 7px 0 0; color: #031014; font-size: 11px; font-weight: 700; }
.qr-box span { display: block; color: #60757b; font-size: 8px; font-weight: 400; }

/* faq */
.faq-section { background: var(--panel); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 36px; align-items: start; }
.faq-visual h2 { margin: 0 0 16px; font-size: clamp(42px,4.8vw,62px); line-height: 1.02; letter-spacing: -.065em; }
.faq-visual h2 em { color: var(--cyan); font-style: normal; }
.faq-visual > img { width: 100%; height: 300px; object-fit: cover; border: 1px solid rgba(255,255,255,.2); }
.faq-badge { display: flex; align-items: center; gap: 8px; margin-top: 11px; }
.faq-badge img { width: 34px; height: 34px; border-radius: 8px; }
.faq-badge span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.faq-list { border-top: 2px solid var(--cyan); }
.faq-item { padding: 14px 0; border-bottom: 1px solid var(--line); }
.faq-item b { color: var(--lime); font-family: var(--mono); font-size: 9px; }
.faq-item h3 { margin: 3px 0 3px; font-size: 17px; letter-spacing: -.02em; }
.faq-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

/* footer */
.footer { background: #020507; color: rgba(255,255,255,.42); padding: 33px 0 18px; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; }
.footer-brand img { width: 34px; height: 34px; border-radius: 8px; }
.footer-brand b { color: #fff; font-size: 18px; }
.footer-inner > p { margin: 0; font-size: 11.5px; }
.footer-links { display: flex; gap: 14px; }
.footer-links a { color: rgba(255,255,255,.5); font-size: 10.5px; }
.footer-links a:hover { color: var(--cyan); }
.footer-inner small { grid-column: 1 / -1; padding-top: 13px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 9px; color: rgba(255,255,255,.3); }
.mobile-download { display: none; }

/* install tutorial modal */
.ios-modal { position: fixed; inset: 0; z-index: 320; display: none; }
.ios-modal.is-open { display: block; }
.ios-mask { position: absolute; inset: 0; background: rgba(0,0,0,.72); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.ios-sheet { position: absolute; left: 50%; top: 50%; display: flex; flex-direction: column; width: min(560px, calc(100% - 28px)); max-height: calc(100vh - 28px); transform: translate(-50%,-50%); overflow: hidden; border-radius: 16px; background: #fff; color: #111; box-shadow: 0 24px 70px rgba(0,0,0,.45); }
.ios-head { flex: 0 0 auto; display: grid; grid-template-columns: 38px 1fr 38px; align-items: center; padding: 10px 12px; border-bottom: 1px solid #ececec; }
.ios-head b { text-align: center; font-size: 16px; letter-spacing: -.02em; }
.ios-back, .ios-close { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; color: #111; font-size: 26px; }
.ios-back:hover, .ios-close:hover { background: #f2f2ee; }
.ios-close .ico { width: 16px; height: 16px; }
.ios-body { overflow-y: auto; padding: 16px 20px 24px; -webkit-overflow-scrolling: touch; }
.ios-app { display: grid; grid-template-columns: 58px 1fr auto; gap: 11px; align-items: center; }
.ios-icon { width: 58px; height: 58px; overflow: hidden; border-radius: 12px; background: #eee; }
.ios-icon img { width: 100%; height: 100%; object-fit: cover; }
.ios-app-name b { display: block; font-size: 17px; line-height: 1.25; }
.ios-app-name span { display: block; margin-top: 2px; color: #86868b; font-size: 11px; }
.ios-install { padding: 8px 17px; border-radius: 999px; background: #111; color: #fff; font-size: 13px; font-weight: 700; }
.ios-install:hover { background: #0f7f42; }
.ios-toast { display: none; margin: 10px 0 0; padding: 9px 11px; border-radius: 7px; background: #eaf8ef; color: #0f7f42; font-size: 12px; line-height: 1.5; }
.ios-toast.is-on { display: block; }
.ios-warning { margin-top: 12px; padding: 10px 11px; background: #f4f8ff; color: #435061; }
.ios-warning p { margin: 0; font-size: 11px; line-height: 1.65; }
.ios-warning p + p { margin-top: 4px; }
.ios-warning b { color: #1161d8; }
.ios-sub { margin: 16px 0 10px; text-align: center; font-size: 14px; font-weight: 700; }
.ios-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ios-step { min-width: 0; text-align: center; }
.ios-step > b { display: block; margin-top: 5px; color: #4d4d51; font-size: 10px; font-weight: 600; }
.ios-shot { position: relative; height: 198px; overflow: hidden; padding: 8px 7px; border: 1px solid #ddd; border-radius: 8px; background: #f5f5f7; text-align: left; }
.ios-shot.dark { background: #1d1e22; color: #fff; border-color: #1d1e22; }
.shot-status { display: flex; justify-content: space-between; padding: 0 2px 5px; color: #86868b; font-family: var(--mono); font-size: 6px; }
.shot-status i { font-style: normal; }
.shot-title { display: block; margin: 0 0 5px; padding: 0 2px; color: #111; font-size: 11px; }
.ios-shot.dark .shot-title { color: #fff; }
.shot-search { margin: 0 2px 5px; padding: 3px 5px; border-radius: 4px; background: #e4e4e9; color: #888; font-size: 6px; }
.shot-row { display: flex; justify-content: space-between; align-items: center; padding: 4px; border-top: 1px solid #e3e3e7; color: #202024; font-size: 7px; }
.shot-row span { color: #a6a6aa; font-size: 8px; }
.shot-row.active { background: #e7e7eb; color: #0a67d8; }
.shot-section { margin-top: 7px; padding: 2px; color: #8a8a8e; font-size: 6px; }
.shot-info { margin: 9px 4px; color: #b7b7bd; font-size: 6.5px; line-height: 1.6; }
.shot-install { position: absolute; right: 7px; top: 7px; padding: 3px 9px; border-radius: 999px; background: #111; color: #fff; font-size: 7px; }
.step-num { position: absolute; right: 7px; bottom: 7px; display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: #0f7f42; color: #fff; font-family: var(--mono); font-size: 11px; font-style: normal; font-weight: 700; box-shadow: 0 0 0 2px #fff; }
.ios-info { margin-top: 18px; border-top: 1px solid #e9e9e4; }
.ios-info h3 { margin: 13px 0 4px; font-size: 18px; }
.ios-info-row { display: grid; grid-template-columns: 80px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid #eee; }
.ios-info-row span { color: #8a8a8e; font-size: 11px; }
.ios-info-row b { font-size: 11px; font-weight: 500; line-height: 1.55; }
.ios-foot { margin: 12px 0 0; color: #8a8a8e; font-size: 10.5px; line-height: 1.7; }
.install-link { display: none; margin-left: 13px; padding: 8px 0; color: #031014; font-family: var(--mono); font-size: 11px; text-decoration: underline; text-underline-offset: 3px; font-weight: 700; }
.install-link.is-visible { display: inline-block; }
.install-link:hover { color: #fff; }

/* PC */
@media (min-width: 1024px) {
  .nav a { font-size: 15px; }
  .hero-desc { font-size: 16px; }
  .hero-pills li { font-size: 11px; }
  .hero-stats span { font-size: 12px; }
  .label { font-size: 12px; }
  .head-aside { font-size: 14px; }
  .first-card p { font-size: 12.5px; }
  .first-img > span { font-size: 10px; }
  .u-copy > span { font-size: 10px; }
  .u-copy p { font-size: 13px; }
  .immersive-copy > p:not(.label) { font-size: 15px; }
  .immersive-copy li { font-size: 12px; }
  .schedule-row p { font-size: 11px; }
  .schedule-row .ep { font-size: 11.5px; }
  .schedule-row .tag { font-size: 10px; }
  .rank-row p { font-size: 11px; }
  .rank-row em { font-size: 12px; }
  .feature-grid p { font-size: 14px; }
  .feature-main span { font-size: 11px; }
  .down-points span { font-size: 12.5px; }
  .qr-box p { font-size: 13px; }
  .qr-box span { font-size: 11px; }
  .faq-item h3 { font-size: 19px; }
  .faq-item p { font-size: 14.5px; }
  .faq-badge span { font-size: 12px; }
  .footer-inner > p { font-size: 13px; }
  .footer-links a { font-size: 12.5px; }
  .footer-inner small { font-size: 13px; color: rgba(255,255,255,.45); }
}

/* responsive */
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 14px; }
  .hero-stage { width: 500px; max-width: 100%; height: 460px; margin-inline: auto; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .first-grid { grid-template-columns: 1fr 1fr; }
  .universe-grid { grid-template-columns: 1fr; }
  .universe-card { height: 330px; }
  .immersive-grid { grid-template-columns: 1fr; gap: 20px; }
  .immersive-phones { max-width: 540px; margin-inline: auto; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .down-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-visual > img { height: 240px; }
}
@media (max-width: 820px) {
  .nav { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; }
  .header-cta { display: none; }
  .section { padding: 50px 0; }
  .section-head { display: block; }
  .head-aside { margin-top: 8px; text-align: left; }
  .hero h1 { font-size: 6rem; }
  .hero-stage { height: 430px; }
  .first-img img { height: 280px; }
  .feature-grid { grid-template-columns: 1fr; }
  .down-side { flex-wrap: wrap; }
  .footer-inner { grid-template-columns: 1fr auto; }
  .footer-inner > p { grid-column: 1 / -1; }
  .stills { grid-template-columns: 1fr 1fr; }
  .still { height: 260px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { width: calc(100% - 28px); }
  .age-bar { font-size: 8.5px; }
  .header-inner { height: 60px; }
  .brand img { width: 32px; height: 32px; }
  .brand b { font-size: 18px; }
  .hero { padding-top: 34px; }
  .hero h1 { font-size: 4.4rem; }
  .hero-sub { font-size: 22px; }
  .hero-desc { font-size: 13px; }
  .hero-stage { width: 100%; max-width: 100%; height: 340px; }
  .stage-ring { width: 300px; height: 300px; }
  .stage-card.c1 { width: 115px; height: 190px; top: 58px; }
  .stage-card.c2 { width: 175px; height: 280px; top: 22px; left: 27%; }
  .stage-card.c3 { width: 115px; height: 190px; top: 66px; right: 0; }
  .stage-card .play { width: 28px; height: 28px; }
  .stage-badge { font-size: 8px; padding: 6px 8px; }
  .stage-badge b { font-size: 7px; }
  .stage-badge span { font-size: 8px; }
  .stage-note { font-size: 7px; bottom: 0; }
  .hero-stats { margin-top: 20px; }
  .hero-stats b { font-size: 21px; }
  .hero-stats span { font-size: 8.5px; }
  .first-grid { gap: 9px; }
  .first-img img { height: 230px; }
  .first-card h3 { font-size: 15px; }
  .first-card p { font-size: 9.5px; }
  .universe-card { height: 270px; }
  .u-copy { padding: 15px; }
  .u-copy h3 { font-size: 24px; }
  .u-copy i { right: 15px; bottom: 16px; }
  .immersive-copy ul { grid-template-columns: 1fr; }
  .immersive-phones { height: 320px; max-width: 360px; }
  .phone { width: 128px; height: 245px; }
  .phone.p1 { left: 0; top: 46px; }
  .phone.p2 { left: 29%; top: 16px; }
  .phone.p3 { right: 0; top: 52px; }
  .pt span, .pt b { font-size: 7px; }
  .pb b { font-size: 10px; }
  .daily-section .section-head { margin-bottom: 20px; }
  .day-tabs { gap: 4px; }
  .day-tabs button { padding: 6px 9px; font-size: 10px; }
  .schedule-row { grid-template-columns: 40px 48px minmax(0,1fr) 42px; gap: 8px; }
  .schedule-row img { width: 48px; height: 62px; }
  .schedule-row h3 { font-size: 13px; }
  .schedule-row p { font-size: 8px; }
  .schedule-row .tag { display: none; }
  .schedule-row .ep { font-size: 8.5px; }
  .schedule-row > .ico { display: none; }
  .rank-row { grid-template-columns: 26px 48px minmax(0,1fr) 42px; gap: 8px; }
  .rank-row .bar { display: none; }
  .rank-row img { width: 48px; height: 63px; }
  .rank-row h3 { font-size: 14px; }
  .still { height: 210px; }
  .still span { font-size: 7px; left: 8px; bottom: 8px; }
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .feature-grid article { padding: 14px; }
  .feature-grid h3 { font-size: 18px; }
  .feature-grid p { font-size: 12px; line-height: 1.65; }
  .feature-main { grid-column: span 2; grid-template-columns: 52px 1fr; gap: 2px 10px; }
  .feature-main img { width: 52px; height: 52px; }
  .feature-main h3 { font-size: 20px; }
  .feature-grid article:last-child { grid-column: span 2; }
  .down-copy .btn { width: 100%; }
  .down-copy .install-link { display: none; }
  .down-copy .install-link.is-visible { display: block; margin: 9px 0 0; text-align: center; }
  .down-side { width: 100%; justify-content: center; gap: 14px; padding: 14px 10px; border: 1px solid rgba(3,16,20,.25); background: rgba(255,255,255,.16); }
  .down-phone { width: 172px; height: 315px; }
  .qr-box img { width: 92px; height: 92px; }
  .down-points div { grid-template-columns: 22px 96px minmax(0,1fr); }
  .faq-visual > img { height: 200px; }
  .footer-inner { display: block; }
  .footer-links { margin: 13px 0; }
  .footer-inner small { display: block; margin-top: 13px; }
  body { padding-bottom: 64px; }
  .mobile-download { display: flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 120; align-items: center; justify-content: center; gap: 7px; padding: 12px 16px; border-radius: 4px; background: var(--lime); color: #031014; font-size: 15px; font-weight: 900; }
  .mobile-download span { font-size: 8px; font-weight: 500; opacity: .65; }
  .ios-sheet { width: calc(100% - 18px); max-height: calc(100vh - 18px); }
  .ios-body { padding: 14px 14px 20px; }
  .ios-app { grid-template-columns: 50px 1fr auto; gap: 9px; }
  .ios-icon { width: 50px; height: 50px; border-radius: 10px; }
  .ios-app-name b { font-size: 16px; }
  .ios-app-name span { font-size: 10px; }
  .ios-install { padding: 7px 13px; font-size: 12px; }
  .ios-shot { height: 186px; }
  .ios-step > b { font-size: 9.5px; min-height: 27px; }
  .ios-info-row { grid-template-columns: 68px 1fr; }
}
@media (max-width: 390px) {
  .hero h1 { font-size: 3.9rem; }
  .hero-stage { height: 310px; }
  .stage-card.c2 { width: 155px; height: 248px; top: 18px; }
  .stage-card.c1, .stage-card.c3 { width: 100px; height: 165px; }
  .stage-card.c1 { top: 58px; }
  .stage-card.c3 { top: 64px; }
  .first-grid { grid-template-columns: 1fr 1fr; }
  .first-img img { height: 210px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-main, .feature-grid article:last-child { grid-column: auto; }
  .stills { grid-template-columns: 1fr; }
  .still { height: 240px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, .aurora, .scan { animation: none; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}