:root {
    --bg: #05060f;
    --bg-2: #0b0d1c;
    --card: rgba(255, 255, 255, 0.035);
    --card-2: rgba(255, 255, 255, 0.06);
    --line: rgba(255, 255, 255, 0.08);
    --line-2: rgba(255, 255, 255, 0.16);
    --text: #eef1ff;
    --muted: #9aa3c7;
    --dim: #6b7399;
    --c1: #7c5cff;
    --c2: #22d3ee;
    --c3: #f472b6;
    --c4: #facc15;
    --grad: linear-gradient(100deg, #a78bfa 0%, #22d3ee 55%, #f472b6 100%);
    --radius: 18px;
    --shadow: 0 30px 80px -20px rgba(10, 6, 40, 0.8);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0; }
code { font-family: ui-monospace, Consolas, monospace; font-size: .88em; padding: .1em .4em; border-radius: 6px; background: var(--card-2); color: #c4b5fd; }
::selection { background: rgba(124, 92, 255, 0.4); }

.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 40px); }

/* background */
.bg-aurora {
    position: fixed; inset: -20vh -10vw auto; height: 90vh; z-index: -2; pointer-events: none;
    background:
        radial-gradient(40% 50% at 20% 30%, rgba(124, 92, 255, 0.28), transparent 70%),
        radial-gradient(35% 45% at 80% 20%, rgba(34, 211, 238, 0.18), transparent 70%),
        radial-gradient(30% 40% at 60% 70%, rgba(244, 114, 182, 0.12), transparent 70%);
    filter: blur(20px);
    animation: aurora 18s ease-in-out infinite alternate;
}
@keyframes aurora { to { transform: translate3d(3vw, 4vh, 0) scale(1.08); } }
.bg-grid {
    position: fixed; inset: 0; z-index: -3; pointer-events: none;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
    opacity: .5;
}

/* buttons */
.btn {
    --h: 44px;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: var(--h); padding: 0 20px; border-radius: 12px; border: 1px solid transparent;
    font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; white-space: nowrap;
    transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn-sm { --h: 36px; padding: 0 14px; font-size: 14px; border-radius: 10px; }
.btn-lg { --h: 52px; padding: 0 26px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #7c5cff, #4f7cff 55%, #22b8e0);
    box-shadow: 0 10px 30px -10px rgba(124, 92, 255, .8), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 40px -12px rgba(124, 92, 255, .95), inset 0 1px 0 rgba(255, 255, 255, .3); }
.btn-ghost { color: var(--text); background: var(--card); border-color: var(--line-2); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: var(--card-2); border-color: rgba(255, 255, 255, .28); }

/* nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(5, 6, 15, .72); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); border-color: var(--line); }
.nav-inner { height: 68px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: .02em; }
.brand img { border-radius: 8px; box-shadow: 0 0 0 1px var(--line-2); }
.nav-links { display: flex; gap: 28px; margin-right: auto; }
.nav-links a { color: var(--muted); font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--card); cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s; }
.nav.open .nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav.open .nav-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero */
.hero { padding: 150px 0 60px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--card); font-size: 13px; color: var(--muted); transition: border-color .2s; }
.pill:hover { border-color: rgba(167, 139, 250, .6); color: var(--text); }
.pill-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .18); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); } }
.hero h1 { margin: 22px 0 20px; font-size: clamp(40px, 5.4vw, 66px); font-weight: 800; letter-spacing: -0.02em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% auto; animation: shine 8s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }
.lead { color: var(--muted); font-size: 18px; max-width: 34em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 26px 0 0; color: var(--dim); font-size: 14px; }
.hero-meta li::before { content: "✓"; color: #34d399; margin-right: 6px; }

.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 8% -4% -6%; background: radial-gradient(closest-side, rgba(124, 92, 255, .45), transparent); filter: blur(40px); z-index: -1; }
.app-window { border-radius: 16px; border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(20, 22, 44, .92), rgba(10, 11, 26, .96)); box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .06); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(3deg); transition: transform .6s; }
.hero-visual:hover .app-window { transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
.aw-bar { height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--dim); }
.aw-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.aw-bar i:nth-child(2) { background: #febc2e; }
.aw-bar i:nth-child(3) { background: #28c840; margin-right: 8px; }
.aw-live { margin-left: auto; font-style: normal; color: #f87171; font-weight: 600; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .45; } }
.aw-body { display: grid; grid-template-columns: 170px 1fr; min-height: 330px; }
.aw-list { border-right: 1px solid var(--line); padding: 12px 10px; display: flex; flex-direction: column; gap: 8px; }
.aw-list-title { font-size: 12px; color: var(--muted); padding: 0 4px 4px; display: flex; flex-direction: column; }
.aw-list-title small { color: var(--dim); font-size: 11px; }
.aw-song { position: relative; display: flex; gap: 9px; align-items: center; padding: 8px; border-radius: 10px; border: 1px solid transparent; font-size: 12px; overflow: hidden; }
.aw-song b { width: 30px; height: 30px; border-radius: 7px; flex: none; background: linear-gradient(135deg, #7c5cff, #22d3ee); }
.aw-song b.c2 { background: linear-gradient(135deg, #f472b6, #fb923c); }
.aw-song b.c3 { background: linear-gradient(135deg, #22d3ee, #34d399); }
.aw-song b.c4 { background: linear-gradient(135deg, #64748b, #334155); }
.aw-song strong { display: block; font-weight: 600; color: var(--text); }
.aw-song span { color: var(--dim); font-size: 11px; }
.aw-song.on { border-color: rgba(167, 139, 250, .5); background: rgba(124, 92, 255, .12); box-shadow: 0 0 20px -6px rgba(124, 92, 255, .8); }
.aw-song.making span { color: #60a5fa; }
.aw-prog { position: absolute; left: 0; bottom: 0; height: 2px; width: 62%; background: #60a5fa; animation: prog 3s ease-in-out infinite alternate; }
@keyframes prog { from { width: 40%; } to { width: 78%; } }
.aw-main { padding: 14px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.aw-lyric { text-align: center; padding: 6px 0 2px; }
.aw-lyric small { display: block; color: var(--dim); font-size: 12px; }
.aw-lyric strong { display: block; margin-top: 4px; font-size: 15px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.aw-wave { position: relative; height: 104px; border-radius: 10px; background: rgba(0, 0, 0, .25); border: 1px solid var(--line); display: flex; align-items: center; gap: 2px; padding: 0 6px; overflow: hidden; }
.aw-wave .bar { flex: 1; min-width: 1px; border-radius: 2px; background: linear-gradient(180deg, #a78bfa, #22d3ee); opacity: .8; transform-origin: center; }
.aw-wave .bar.past { background: linear-gradient(180deg, #f0abfc, #a78bfa); opacity: 1; }
.aw-clip { position: absolute; top: 0; bottom: 0; z-index: 2; font-size: 10px; padding: 4px 6px; color: #fff; background: rgba(124, 92, 255, .28); border-left: 1px solid rgba(255, 255, 255, .4); border-right: 1px solid rgba(255, 255, 255, .4); }
.aw-clip.c2 { background: rgba(244, 114, 182, .25); }
.aw-clip.c3 { background: rgba(34, 211, 238, .22); }
.aw-head { position: absolute; top: 0; bottom: 0; left: 38%; width: 2px; z-index: 3; background: #facc15; box-shadow: 0 0 10px #facc15; animation: head 9s linear infinite; }
@keyframes head { from { left: 2%; } to { left: 98%; } }
.aw-mini { position: relative; height: 14px; border-radius: 4px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line); overflow: hidden; }
.aw-mini i { position: absolute; top: 0; bottom: 0; background: rgba(124, 92, 255, .5); }
.aw-mini i.c2 { background: rgba(244, 114, 182, .5); }
.aw-mini i.c3 { background: rgba(34, 211, 238, .5); }
.aw-mixer { display: grid; grid-template-columns: 1fr 1fr 2.6fr; gap: 8px; }
.aw-fader, .aw-modes { border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: rgba(255, 255, 255, .02); font-size: 11px; color: var(--muted); }
.aw-fader i { display: block; height: 6px; margin-top: 8px; border-radius: 4px; background: rgba(255, 255, 255, .08); position: relative; overflow: hidden; }
.aw-fader i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); background: linear-gradient(90deg, #34d399, #facc15); animation: lvl 1.2s ease-in-out infinite alternate; }
.aw-fader:nth-child(2) i::after { animation-delay: -.5s; }
@keyframes lvl { from { width: calc(var(--v) * 70%); } to { width: calc(var(--v) * 100%); } }
.aw-modes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; padding: 5px; }
.aw-modes span { text-align: center; border-radius: 7px; padding: 4px 0; line-height: 1.3; }
.aw-modes em { display: block; font-style: normal; font-size: 9px; color: var(--dim); }
.aw-modes span.on { background: linear-gradient(135deg, rgba(124, 92, 255, .9), rgba(34, 184, 224, .9)); color: #fff; }
.aw-modes span.on em { color: rgba(255, 255, 255, .8); }

.float-card { position: absolute; display: flex; gap: 10px; align-items: center; padding: 10px 14px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(14, 15, 32, .85); backdrop-filter: blur(12px); box-shadow: var(--shadow); font-size: 13px; animation: float 6s ease-in-out infinite; }
.float-card small { display: block; color: var(--dim); font-size: 11px; }
.fc-ico { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-size: 16px; background: linear-gradient(135deg, #7c5cff, #22d3ee); }
.fc-1 { left: -34px; bottom: -28px; }
.fc-2 { right: -18px; top: -22px; animation-delay: -3s; }
.fc-2 .fc-ico { background: linear-gradient(135deg, #f472b6, #facc15); }
@keyframes float { 50% { transform: translateY(-10px); } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); margin-top: 30px; }
.stats > div { padding: 26px 24px; display: flex; gap: 14px; align-items: center; }
.stats > div + div { border-left: 1px solid var(--line); }
.stats strong { font-size: 42px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { color: var(--muted); font-size: 14px; line-height: 1.45; }

/* sections */
.section { padding: 110px 0 0; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .14em; color: #a78bfa; margin-bottom: 14px; }
.sec-head h2, .split-copy h2, .privacy h2, .download h2, .cta-final h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; }
.sec-head p { color: var(--muted); margin-top: 16px; font-size: 17px; }

.tick { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.tick li { position: relative; padding-left: 26px; color: var(--muted); font-size: 15px; }
.tick li::before { content: ""; position: absolute; left: 0; top: .42em; width: 16px; height: 16px; border-radius: 50%; background: rgba(124, 92, 255, .2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8.2 2.2 2.2 4.8-4.8' fill='none' stroke='%23c4b5fd' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

/* features */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { position: relative; padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); overflow: hidden; transition: border-color .3s, transform .3s, background .3s; }
.feat::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(124, 92, 255, .14), transparent 45%); opacity: 0; transition: opacity .3s; }
.feat:hover { border-color: rgba(167, 139, 250, .35); transform: translateY(-3px); }
.feat:hover::after { opacity: 1; }
.feat.wide { grid-column: span 2; }
.feat.big { grid-row: span 2; background: linear-gradient(160deg, rgba(124, 92, 255, .14), rgba(34, 211, 238, .04) 60%), var(--card); }
.feat h3 { font-size: 20px; margin: 18px 0 10px; }
.feat p { color: var(--muted); font-size: 15px; }
.feat-ico { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(124, 92, 255, .25), rgba(34, 211, 238, .15)); border: 1px solid rgba(167, 139, 250, .3); }
.feat-ico svg { width: 22px; height: 22px; fill: none; stroke: #c4b5fd; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* modes */
.modes { border: 1px solid var(--line); border-radius: 22px; background: var(--card); padding: 22px; }
.mode-tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.mode-tab { font: inherit; font-size: 16px; font-weight: 600; color: var(--muted); padding: 14px 8px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; transition: all .25s; }
.mode-tab:hover { color: var(--text); border-color: var(--line-2); }
.mode-tab kbd { font: 600 12px ui-monospace, Consolas, monospace; padding: 3px 7px; border-radius: 6px; border: 1px solid var(--line-2); border-bottom-width: 2px; color: var(--muted); }
.mode-tab.on { color: #fff; border-color: transparent; background: linear-gradient(135deg, #7c5cff, #4f7cff 55%, #22b8e0); box-shadow: 0 10px 30px -12px rgba(124, 92, 255, .9); }
.mode-tab.on kbd { color: #fff; border-color: rgba(255, 255, 255, .5); }
.mode-panel { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; align-items: center; padding: 34px 18px 14px; }
.mode-text h3 { font-size: 30px; }
.mode-text p { color: var(--muted); margin-top: 12px; font-size: 17px; min-height: 3.4em; }
.mode-who { margin-top: 18px; display: inline-flex; gap: 12px; align-items: center; padding: 10px 16px; border-radius: 12px; background: rgba(124, 92, 255, .12); border: 1px solid rgba(167, 139, 250, .3); font-size: 15px; }
.mode-who span { color: var(--muted); }
.mode-meters { display: grid; gap: 14px; }
.meter { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.meter i { height: 12px; border-radius: 8px; background: rgba(255, 255, 255, .06); position: relative; overflow: hidden; }
.meter i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w, 0%); border-radius: inherit; background: linear-gradient(90deg, #34d399, #a3e635 60%, #facc15); transition: width .5s cubic-bezier(.2, .8, .2, 1); }
.meter i.live::after { animation: meterLive 0.9s ease-in-out infinite alternate; }
@keyframes meterLive { from { filter: brightness(.85); transform: scaleX(.88); transform-origin: left; } to { filter: brightness(1.1); transform: scaleX(1); transform-origin: left; } }

/* cloud */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-copy p { color: var(--muted); font-size: 17px; margin-top: 18px; }
.cloud-card { border-radius: 20px; border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(20, 22, 44, .9), rgba(10, 11, 26, .95)); padding: 22px; box-shadow: var(--shadow); display: grid; gap: 12px; }
.cc-head { display: flex; justify-content: space-between; font-weight: 700; }
.cc-head em { font-style: normal; font-size: 12px; color: #22d3ee; padding: 3px 10px; border-radius: 999px; background: rgba(34, 211, 238, .1); border: 1px solid rgba(34, 211, 238, .3); }
.cc-job { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.cc-job strong { display: block; font-size: 15px; }
.cc-job small { color: var(--dim); font-size: 12px; }
.cc-job b { font-size: 18px; color: #a78bfa; }
.cc-job.done b { color: #34d399; }
.cc-bar { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .06); overflow: hidden; margin-top: -4px; }
.cc-bar i { display: block; height: 100%; background: var(--grad); background-size: 200% auto; animation: shine 3s linear infinite; }
.cc-log { font: 12px/1.8 ui-monospace, Consolas, monospace; color: var(--dim); padding: 12px 14px; border-radius: 12px; background: rgba(0, 0, 0, .3); display: grid; }
.cc-log .hl { color: #34d399; }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; position: relative; }
.steps li { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
.steps b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; font-size: 18px; background: var(--grad); color: #0b0d1c; }
.steps h3 { font-size: 18px; margin: 18px 0 8px; }
.steps p { color: var(--muted); font-size: 15px; }

/* privacy */
.privacy { display: flex; gap: 28px; align-items: center; padding: 38px 40px; border-radius: 22px; border: 1px solid rgba(52, 211, 153, .25); background: linear-gradient(120deg, rgba(52, 211, 153, .1), rgba(34, 211, 238, .04) 60%, transparent); }
.privacy h2 { font-size: clamp(24px, 2.6vw, 32px); }
.privacy p { color: var(--muted); margin-top: 10px; font-size: 16px; }
.privacy-ico { flex: none; width: 72px; height: 72px; border-radius: 20px; display: grid; place-items: center; background: rgba(52, 211, 153, .14); border: 1px solid rgba(52, 211, 153, .35); }
.privacy-ico svg { width: 36px; height: 36px; fill: none; stroke: #34d399; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 30px; border-radius: 22px; border: 1px solid var(--line); background: var(--card); }
.plan h3 { font-size: 22px; }
.plan-sub { color: var(--dim); font-size: 14px; margin-top: 6px; }
.plan-price { font-size: 30px; font-weight: 800; margin: 20px 0 4px; }
.plan .tick { margin-bottom: 28px; flex: 1; align-content: start; }
.plan.hot { border-color: transparent; background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box, linear-gradient(140deg, #a78bfa, #22d3ee 60%, #f472b6) border-box; border: 1px solid transparent; box-shadow: 0 30px 70px -30px rgba(124, 92, 255, .7); }
.plan-tag { position: absolute; top: -12px; right: 24px; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; background: var(--grad); color: #0b0d1c; }

/* download */
.download { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: center; padding: 48px; border-radius: 26px; border: 1px solid var(--line-2); background: radial-gradient(120% 140% at 100% 0%, rgba(124, 92, 255, .25), transparent 55%), radial-gradient(90% 120% at 0% 100%, rgba(34, 211, 238, .12), transparent 55%), var(--bg-2); overflow: hidden; }
.download p { color: var(--muted); margin-top: 14px; font-size: 16px; }
.dl-logo { justify-self: center; width: 200px; height: 200px; border-radius: 44px; padding: 18px; background: rgba(0, 0, 0, .3); border: 1px solid var(--line-2); box-shadow: 0 0 80px -10px rgba(124, 92, 255, .7); animation: float 6s ease-in-out infinite; }
.dl-logo img { width: 100%; height: 100%; object-fit: contain; border-radius: 30px; }

/* faq */
.faq { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 0 22px; transition: border-color .25s; }
.faq details[open] { border-color: rgba(167, 139, 250, .35); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 0; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--muted); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 20px; font-size: 15px; }

.cta-final { text-align: center; padding: 70px 30px; border-radius: 26px; border: 1px solid var(--line); background: radial-gradient(60% 120% at 50% 0%, rgba(124, 92, 255, .3), transparent 70%), var(--card); }
.cta-final p { color: var(--muted); margin: 14px 0 28px; font-size: 17px; }

/* footer */
.footer { margin-top: 110px; border-top: 1px solid var(--line); background: rgba(0, 0, 0, .25); }
.foot-inner { display: flex; justify-content: space-between; gap: 40px; padding: 48px 0 32px; }
.foot-brand p { color: var(--dim); font-size: 14px; margin-top: 10px; }
.foot-cols { display: flex; gap: 64px; }
.foot-cols h4 { font-size: 14px; margin-bottom: 14px; }
.foot-cols a { display: block; color: var(--dim); font-size: 14px; margin-top: 8px; transition: color .2s; }
.foot-cols a:hover { color: var(--text); }
.foot-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding: 18px 0 28px; border-top: 1px solid var(--line); font-size: 13px; color: var(--dim); }
.beian { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.beian a { display: inline-flex; align-items: center; gap: 5px; transition: color .2s; }
.beian a:hover { color: var(--text); }
.beian img { width: 16px; height: 16px; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; visibility: hidden; opacity: 0; transition: opacity .25s, visibility .25s; }
.modal.open { visibility: visible; opacity: 1; }
.modal-mask { position: absolute; inset: 0; background: rgba(3, 4, 12, .7); backdrop-filter: blur(6px); }
.modal-box { position: relative; width: min(420px, 100%); padding: 30px; border-radius: 22px; border: 1px solid var(--line-2); background: linear-gradient(180deg, #12142a, #0a0b1a); box-shadow: var(--shadow); transform: translateY(14px) scale(.98); transition: transform .3s; }
.modal.open .modal-box { transform: none; }
.modal-x { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 10px; border: 0; background: var(--card-2); color: var(--muted); font-size: 22px; line-height: 1; cursor: pointer; }
.modal-x:hover { color: var(--text); }
.modal-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 22px; }
.modal-brand img { border-radius: 10px; }
.modal-brand h3 { font-size: 20px; }
.modal-brand small { color: var(--dim); font-size: 13px; }
.login-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); margin-bottom: 18px; }
.login-tabs button { font: inherit; font-size: 14px; padding: 8px; border: 0; border-radius: 9px; background: none; color: var(--muted); cursor: pointer; }
.login-tabs button.on { background: var(--card-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.login-form { display: grid; gap: 14px; }
.login-form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.login-form label[hidden] { display: none; }
.login-form input[type=tel], .login-form input[type=password], .login-form input[type=text] { font: inherit; font-size: 15px; height: 46px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(0, 0, 0, .25); color: var(--text); outline: none; transition: border-color .2s, box-shadow .2s; width: 100%; }
.login-form input:focus { border-color: #a78bfa; box-shadow: 0 0 0 4px rgba(124, 92, 255, .18); }
.sms-row { display: flex; gap: 8px; }
.sms-row .btn { --h: 46px; flex: none; }
.login-form .agree { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.login-form .agree input { accent-color: #7c5cff; width: 16px; height: 16px; }
.login-note { font-size: 12px; color: var(--dim); text-align: center; }

.toast { position: fixed; left: 50%; bottom: 32px; z-index: 120; transform: translate(-50%, 20px); padding: 12px 20px; border-radius: 12px; background: rgba(20, 22, 44, .95); border: 1px solid var(--line-2); box-shadow: var(--shadow); font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; max-width: calc(100% - 40px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.hero-visual.reveal.in .app-window { transform: perspective(1400px) rotateY(-6deg) rotateX(3deg); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
}

/* responsive */
@media (max-width: 1080px) {
    .hero { grid-template-columns: 1fr; padding-top: 130px; text-align: center; }
    .hero-copy { display: flex; flex-direction: column; align-items: center; }
    .hero-cta, .hero-meta { justify-content: center; }
    .hero-visual { max-width: 720px; margin: 10px auto 0; width: 100%; }
    .app-window, .hero-visual:hover .app-window, .hero-visual.reveal.in .app-window { transform: none; }
    .feat-grid { grid-template-columns: repeat(2, 1fr); }
    .feat.big { grid-row: auto; grid-column: span 2; }
    .feat.wide { grid-column: auto; }
    .split { grid-template-columns: 1fr; gap: 40px; }
    .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .nav-links { position: fixed; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 20px 18px; background: rgba(5, 6, 15, .96); border-bottom: 1px solid var(--line); transform: translateY(-120%); transition: transform .3s; z-index: -1; }
    .nav-links a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
    .nav.open .nav-links { transform: none; }
    .nav.open { background: rgba(5, 6, 15, .96); }
    .nav-toggle { display: flex; }
    .nav-actions .btn-primary { display: none; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stats > div:nth-child(3) { border-left: 0; }
    .stats > div:nth-child(n+3) { border-top: 1px solid var(--line); }
    .plans { grid-template-columns: 1fr; }
    .mode-panel { grid-template-columns: 1fr; }
    .download { grid-template-columns: 1fr; padding: 34px 26px; text-align: center; }
    .download .hero-cta { justify-content: center; }
    .dl-logo { display: none; }
    .foot-inner { flex-direction: column; }
}
@media (max-width: 600px) {
    .wrap, .narrow { width: calc(100% - 32px); }
    .hero h1 { font-size: 38px; }
    .lead { font-size: 16px; }
    .aw-body { grid-template-columns: 1fr; }
    .aw-list { display: none; }
    .float-card { display: none; }
    .aw-mixer { grid-template-columns: 1fr 1fr; }
    .aw-modes { grid-column: span 2; }
    .feat-grid, .steps { grid-template-columns: 1fr; }
    .feat.big { grid-column: auto; }
    .mode-tabs { grid-template-columns: repeat(5, 1fr); gap: 5px; }
    .mode-tab { flex-direction: column; gap: 4px; padding: 10px 2px; font-size: 14px; }
    .privacy { flex-direction: column; text-align: center; padding: 30px 22px; }
    .section { padding-top: 80px; }
    .foot-cols { gap: 36px; flex-wrap: wrap; }
    .stats > div { padding: 18px 16px; }
    .stats strong { font-size: 32px; }
}