:root {
  --ink: #111116;
  --muted: #74747f;
  --line: rgba(17, 17, 22, 0.11);
  --paper: #f7f7f5;
  --white: rgba(255, 255, 255, 0.78);
  --violet: #6f5cff;
  --violet-soft: #b8adff;
  --blue: #8fc5ff;
  --shadow: 0 24px 80px rgba(51, 47, 91, 0.12);
  --radius-xl: 42px;
  --radius-lg: 28px;
  --radius-md: 18px;
  font-family: Inter, "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; overflow-x: hidden; background: radial-gradient(circle at 70% 10%, #ffffff 0, #f7f7f5 34%, #f2f3f7 100%); color: var(--ink); }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
.is-hidden { display: none !important; }

.grain { position: fixed; inset: 0; z-index: -1; opacity: .045; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E"); }
.aurora { position: fixed; z-index: -2; border-radius: 999px; filter: blur(100px); opacity: .42; pointer-events: none; }
.aurora-one { width: 520px; height: 520px; right: -120px; top: 50px; background: rgba(143, 197, 255, .55); }
.aurora-two { width: 480px; height: 480px; left: 18%; top: 260px; background: rgba(184, 173, 255, .38); }

.site-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 82px; padding: 0 5vw; background: rgba(247, 247, 245, .66); backdrop-filter: blur(24px) saturate(130%); border-bottom: 1px solid rgba(17, 17, 22, .06); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; }
.brand-glyph { width: 29px; height: 29px; border-radius: 10px; background: conic-gradient(from 220deg, #6d5cff, #b6b0ff, #a8d7ff, #6d5cff); box-shadow: inset 0 0 14px rgba(255,255,255,.75), 0 10px 28px rgba(92,75,226,.25); transform: rotate(-12deg); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: 14px; letter-spacing: .04em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.public-nav { display: flex; align-items: center; gap: 34px; color: #4f4f59; font-size: 12px; letter-spacing: .05em; }
.public-nav a { position: relative; padding: 12px 0; }
.public-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 7px; height: 1px; background: var(--ink); transition: right .3s ease; }
.public-nav a:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.ghost-button, .primary-button { border: 0; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.ghost-button { padding: 11px 16px; border-radius: 999px; background: rgba(255,255,255,.5); border: 1px solid var(--line); color: var(--ink); font-size: 12px; }
.ghost-button span, .primary-button span { margin-left: 7px; opacity: .55; font-size: 10px; }
.ghost-button:hover, .primary-button:hover { transform: translateY(-2px); }
.user-chip { display: inline-flex; align-items: center; gap: 10px; border: 0; background: transparent; cursor: default; text-align: left; }
.user-chip span:last-child { display: flex; flex-direction: column; }
.user-chip b { font-size: 12px; font-weight: 600; }
.user-chip small { margin-top: 3px; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(145deg, #111116, #47434f); color: #fff; font-size: 12px; box-shadow: 0 9px 24px rgba(0,0,0,.16); }

main { width: min(1480px, 100%); margin: 0 auto; }
.hero { min-height: calc(100vh - 82px); display: grid; grid-template-columns: minmax(0, .95fr) minmax(430px, 1.05fr); gap: 6vw; align-items: center; padding: 8vh 5vw 12vh; }
.eyebrow { margin: 0 0 24px; color: #6c5ce8; font-size: 10px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; }
.hero h1, .app-intro h1 { margin: 0; font-size: clamp(58px, 6.2vw, 106px); line-height: .98; letter-spacing: -.065em; font-weight: 300; }
.hero h1 span, .app-intro h1 span { color: transparent; background: linear-gradient(95deg, #111116 0%, #6f5cff 42%, #8fc5ff 100%); -webkit-background-clip: text; background-clip: text; }
.hero-en { margin: 32px 0 0; color: #4d4d57; font-size: clamp(18px, 1.7vw, 28px); font-weight: 300; letter-spacing: -.02em; }
.hero-description { max-width: 610px; margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 42px; }
.primary-button { padding: 16px 23px; border-radius: 999px; background: #111116; color: #fff; box-shadow: 0 15px 38px rgba(17,17,22,.2); font-size: 12px; }
.primary-button:hover { box-shadow: 0 19px 46px rgba(17,17,22,.28); }
.primary-button.full { width: 100%; margin-top: 4px; }
.text-link { display: inline-flex; gap: 9px; align-items: center; font-size: 12px; color: #3f3f48; }
.text-link span { color: var(--muted); font-size: 10px; }
.hero-object { position: relative; min-height: 620px; display: grid; place-items: center; }
.signal-sphere { position: relative; width: min(43vw, 560px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 34% 27%, #fff 0 4%, rgba(255,255,255,.98) 10%, rgba(217,217,255,.72) 30%, rgba(126,111,255,.22) 55%, rgba(143,197,255,.12) 68%, rgba(255,255,255,.02) 74%); box-shadow: inset -40px -52px 110px rgba(116,87,255,.22), inset 42px 32px 90px rgba(255,255,255,.92), 0 40px 110px rgba(84,71,190,.18); border: 1px solid rgba(255,255,255,.82); animation: float 8s ease-in-out infinite; }
.sphere-core { position: absolute; inset: 25%; border-radius: 50%; background: radial-gradient(circle at 36% 30%, rgba(255,255,255,.95), rgba(129,108,255,.22) 48%, rgba(122,107,255,.06)); filter: blur(5px); box-shadow: 0 0 90px rgba(109,92,255,.42); }
.orbit { position: absolute; inset: 8% -16%; border: 1px solid rgba(105,87,240,.25); border-radius: 50%; transform: rotate(-18deg); }
.orbit-b { inset: 18% -8%; transform: rotate(35deg); border-color: rgba(103,161,238,.23); animation: orbit 12s linear infinite; }
.signal { position: absolute; display: grid; place-items: center; min-width: 44px; height: 22px; padding: 0 9px; border-radius: 999px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.95); backdrop-filter: blur(12px); color: #6c5ce8; font-size: 8px; letter-spacing: .16em; box-shadow: 0 10px 30px rgba(73,63,129,.12); }
.signal-a { right: 4%; top: 22%; }.signal-b { left: -3%; top: 58%; }.signal-c { right: 15%; bottom: 9%; }
.object-caption { position: absolute; bottom: 24px; left: 12%; right: 12%; display: flex; justify-content: space-between; color: var(--muted); font-size: 8px; letter-spacing: .2em; }
.object-caption small { font-size: inherit; }
@keyframes float { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-18px) rotate(1deg); } }
@keyframes orbit { to { transform: rotate(395deg); } }

.statement { min-height: 860px; padding: 15vh 8vw; display: flex; flex-direction: column; justify-content: center; border-top: 1px solid rgba(17,17,22,.06); }
.statement h2 { max-width: 1080px; margin: 0; font-size: clamp(46px, 6vw, 92px); line-height: 1.03; letter-spacing: -.055em; font-weight: 300; }
.statement h2 span { color: #7563ff; }
.flow-line { margin-top: 100px; display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 22px; }
.flow-line span { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.flow-line small { color: var(--muted); font-size: 10px; }
.flow-line i { height: 1px; background: linear-gradient(90deg, rgba(111,92,255,.2), rgba(111,92,255,.8), rgba(111,92,255,.2)); }
.module-preview { padding: 14vh 5vw 18vh; }
.section-heading { max-width: 720px; margin: 0 auto 70px; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(42px, 4.8vw, 72px); font-weight: 300; letter-spacing: -.05em; }
.section-heading > p:last-child { color: var(--muted); line-height: 1.8; font-size: 14px; }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.preview-grid article { position: relative; min-height: 390px; padding: 34px; overflow: hidden; border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.88); background: linear-gradient(145deg, rgba(255,255,255,.72), rgba(246,245,255,.48)); box-shadow: var(--shadow); transition: transform .35s ease; }
.preview-grid article:hover { transform: translateY(-8px); }
.preview-grid article::after { content:""; position:absolute; width:230px; height:230px; right:-70px; bottom:-85px; border-radius:50%; background:radial-gradient(circle at 35% 30%, rgba(255,255,255,.95), rgba(114,92,255,.26), rgba(143,197,255,.03) 72%); filter:blur(1px); }
.preview-grid article > span { color: #6f5cff; font-size: 10px; letter-spacing: .18em; }
.preview-grid h3 { margin: 160px 0 6px; font-size: 30px; font-weight: 400; letter-spacing: -.04em; }
.preview-grid small { color: #6f5cff; font-size: 9px; letter-spacing: .18em; text-transform: uppercase; }
.preview-grid p { max-width: 260px; color: var(--muted); line-height: 1.7; font-size: 12px; }

.app-home { min-height: calc(100vh - 82px); padding: 54px 5vw 72px; }
.app-dashboard-shell { width: min(1320px, 100%); margin: 0 auto; }
.app-intro { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr); align-items: stretch; gap: 32px; margin-bottom: 34px; }
.app-intro-copy { min-height: 250px; display: flex; flex-direction: column; justify-content: center; padding: 24px 0 22px; }
.app-intro-copy .eyebrow { margin-bottom: 18px; }
.app-intro h1 { margin: 0; font-size: clamp(50px, 5.2vw, 78px); line-height: 1.02; letter-spacing: -.058em; font-weight: 300; }
.app-intro h1 span { color: transparent; background: linear-gradient(95deg, #16151c 0%, #5e4df3 55%, #86baff 100%); -webkit-background-clip: text; background-clip: text; }
.app-intro h1 em { color: #16151c; font-style: normal; font-weight: 300; }
.app-intro-description { max-width: 660px; margin: 22px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.app-access-panel { position: relative; min-height: 250px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; border: 1px solid rgba(17,17,22,.075); border-radius: 30px; background: linear-gradient(145deg, rgba(255,255,255,.82), rgba(244,242,255,.62)); box-shadow: 0 22px 70px rgba(54,49,95,.09); }
.app-access-panel::before { content:""; position:absolute; width:210px; height:210px; right:-80px; top:-92px; border-radius:50%; background:radial-gradient(circle at 32% 30%, rgba(255,255,255,.98), rgba(179,166,255,.52) 35%, rgba(134,188,255,.16) 62%, transparent 72%); }
.access-panel-top { position: relative; display: flex; align-items: center; justify-content: space-between; color: #6b5bf0; font-size: 9px; font-weight: 600; letter-spacing: .19em; }
.access-live-dot { width: 8px; height: 8px; border-radius: 50%; background: #54c68a; box-shadow: 0 0 0 6px rgba(84,198,138,.12); }
.access-count { position: relative; display: flex; align-items: baseline; gap: 10px; margin-top: 18px; }
.access-count strong { font-size: 58px; line-height: 1; font-weight: 350; letter-spacing: -.055em; }
.access-count span { color: var(--muted); font-size: 12px; }
.access-tags { position: relative; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.access-tags span { padding: 8px 11px; border-radius: 999px; background: rgba(255,255,255,.68); border: 1px solid rgba(17,17,22,.065); color: #55525f; font-size: 9px; letter-spacing: .05em; }
.app-access-panel > p { position: relative; margin: 18px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.module-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin: 0 0 16px; padding: 0 4px; }
.module-section-heading > div { display: flex; flex-direction: column; gap: 5px; }
.module-section-heading span { color: #6f5cff; font-size: 8px; font-weight: 600; letter-spacing: .2em; }
.module-section-heading strong { font-size: 18px; font-weight: 520; letter-spacing: -.025em; }
.module-section-heading p { margin: 0; color: var(--muted); font-size: 11px; }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.module-card { position: relative; min-height: 390px; padding: 28px; display: flex; flex-direction: column; overflow: hidden; border-radius: 30px; border: 1px solid rgba(255,255,255,.9); background: rgba(255,255,255,.68); backdrop-filter: blur(28px); box-shadow: 0 18px 58px rgba(51,47,91,.10); cursor: pointer; transition: transform .32s ease, box-shadow .32s ease, opacity .32s ease; }
.module-card::after { content:"↗"; position:absolute; right:25px; top:23px; width:34px; height:34px; display:grid; place-items:center; border-radius:50%; border:1px solid rgba(17,17,22,.08); background:rgba(255,255,255,.62); color:#56535f; font-size:15px; transition:transform .28s ease, background .28s ease; }
.module-card:hover { transform: translateY(-6px); box-shadow: 0 28px 82px rgba(51,47,91,.15); }
.module-card:hover::after { transform: translate(2px,-2px); background:#111116; color:#fff; }
.module-card.is-locked { opacity: .48; cursor: not-allowed; filter: grayscale(.25); }
.module-card.is-locked:hover { transform: none; }
.module-card.is-locked::after { content:"×"; }
.module-card-number { position: relative; z-index: 1; color: #7a68ff; font-size: 9px; letter-spacing: .2em; }
.module-card h2 { position: relative; z-index: 1; margin: 112px 0 6px; font-size: 31px; font-weight: 380; letter-spacing: -.045em; }
.module-card > small { position: relative; z-index: 1; color: #6f5cff; font-size: 8px; letter-spacing: .18em; text-transform: uppercase; }
.module-card > p { position: relative; z-index: 1; max-width: 300px; margin: 13px 0 0; color: var(--muted); line-height: 1.68; font-size: 11px; }
.module-visual { position: absolute; width: 178px; height: 178px; right: -28px; top: -34px; border-radius: 50%; background: radial-gradient(circle at 30% 28%, #fff 0 5%, rgba(215,210,255,.9) 18%, rgba(112,92,255,.34) 43%, rgba(143,197,255,.13) 66%, rgba(255,255,255,0) 71%); box-shadow: inset 20px 20px 50px rgba(255,255,255,.7); }
.module-card:nth-child(2) .module-visual { border-radius: 35%; transform: rotate(18deg); background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(186,174,255,.5), rgba(143,197,255,.12)); }
.module-card:nth-child(3) .module-visual { border-radius: 42% 58% 60% 40%; background: conic-gradient(from 30deg, rgba(143,197,255,.38), rgba(255,255,255,.9), rgba(111,92,255,.34), rgba(143,197,255,.38)); }
.module-stats { position: relative; z-index: 1; margin-top: auto; padding-top: 22px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.module-stat { padding: 12px 13px; border-radius: 14px; background: rgba(248,248,250,.78); border: 1px solid rgba(17,17,22,.055); }
.module-stat strong { display:block; font-size: 19px; font-weight: 500; letter-spacing: -.03em; }
.module-stat small { color: var(--muted); font-size: 8px; }
.module-lock { position: relative; z-index: 1; width: fit-content; margin-top: auto; padding: 10px 14px; border-radius: 999px; background: rgba(17,17,22,.07); font-size: 10px; }
.module-launch { position: relative; z-index: 1; width: fit-content; margin-top: auto; padding: 11px 15px; display: inline-flex; align-items: center; gap: 9px; border-radius: 999px; border: 1px solid rgba(111,92,255,.15); background: rgba(111,92,255,.08); color: #5044a9; font-size: 10px; }
.module-launch b { color: #17151e; font-weight: 560; }
.module-card.is-launching { cursor: wait; opacity: .68; pointer-events: none; }
.module-card.is-launching::after { content: "…"; }
.activity-strip { margin-top: 18px; padding: 18px 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; border: 1px solid rgba(17,17,22,.07); border-radius: 20px; background: rgba(255,255,255,.46); }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: #54c68a; box-shadow: 0 0 0 6px rgba(84,198,138,.12); }
.activity-strip div { display:flex; flex-direction:column; gap:4px; }
.activity-strip small { color: #6f5cff; font-size: 8px; letter-spacing: .16em; }
.activity-strip strong { font-size: 11px; font-weight: 500; }
.activity-strip time { color: var(--muted); font-size: 10px; }

.site-footer { min-height: 80px; padding: 0 5vw; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(17,17,22,.07); color: var(--muted); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }

.modal-shell { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity .28s ease; }
.modal-shell.is-open { opacity: 1; pointer-events: auto; }
.modal-backdrop { position: absolute; inset: 0; border: 0; background: rgba(20,19,26,.16); backdrop-filter: blur(18px); }
.auth-modal { position: relative; width: min(560px, calc(100vw - 30px)); max-height: calc(100vh - 36px); overflow-y: auto; padding: 38px; border-radius: 34px; border: 1px solid rgba(255,255,255,.92); background: rgba(252,252,251,.88); box-shadow: 0 40px 130px rgba(33,28,75,.25); backdrop-filter: blur(40px) saturate(130%); transform: translateY(18px) scale(.98); transition: transform .3s ease; }
.modal-shell.is-open .auth-modal { transform: translateY(0) scale(1); }
.modal-close { position:absolute; right:22px; top:20px; width:34px; height:34px; border-radius:50%; border:1px solid var(--line); background:rgba(255,255,255,.65); color:#555; cursor:pointer; font-size:20px; font-weight:200; }
.auth-heading h2 { margin:0; font-size:34px; font-weight:400; letter-spacing:-.04em; }
.auth-heading > p:last-child { color:var(--muted); font-size:12px; line-height:1.7; }
.auth-tabs { display:grid; grid-template-columns:1fr 1fr; gap:6px; margin:28px 0 22px; padding:5px; background:rgba(17,17,22,.05); border-radius:15px; }
.auth-tab { border:0; padding:12px; border-radius:11px; background:transparent; color:var(--muted); cursor:pointer; font-size:12px; }
.auth-tab small { margin-left:6px; font-size:8px; }
.auth-tab.is-active { background:#fff; color:var(--ink); box-shadow:0 8px 20px rgba(34,30,69,.08); }
.auth-panel { display:none; gap:14px; }
.auth-panel.is-active { display:grid; }
.auth-panel label { display:grid; gap:7px; }
.auth-panel label > span { color:#51515b; font-size:10px; }
.auth-panel input, .auth-panel textarea, .auth-panel select { width:100%; border:1px solid rgba(17,17,22,.1); border-radius:14px; background:rgba(255,255,255,.72); padding:13px 14px; outline:none; color:var(--ink); transition:border .2s, box-shadow .2s; }
.auth-panel input:focus, .auth-panel textarea:focus, .auth-panel select:focus { border-color:rgba(111,92,255,.45); box-shadow:0 0 0 4px rgba(111,92,255,.08); }
.auth-panel textarea { resize:vertical; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.auth-message { min-height:0; margin-bottom:0; padding:0; border-radius:13px; font-size:11px; line-height:1.55; transition:.2s; }
.auth-message.is-visible { min-height:42px; margin-bottom:14px; padding:12px 14px; background:rgba(234,80,80,.08); color:#aa3636; }
.auth-message.is-success { background:rgba(58,174,116,.09); color:#287b53; }
.toast { position:fixed; z-index:150; left:50%; bottom:32px; transform:translate(-50%, 20px); opacity:0; pointer-events:none; padding:12px 17px; border-radius:999px; background:rgba(17,17,22,.9); color:#fff; font-size:11px; box-shadow:0 15px 45px rgba(0,0,0,.2); transition:.25s; }
.toast.is-visible { opacity:1; transform:translate(-50%, 0); }

@media (max-width: 980px) {
  .site-header { grid-template-columns:1fr auto; }.public-nav { display:none; }
  .hero { grid-template-columns:1fr; padding-top:10vh; }.hero-object { min-height:480px; }.signal-sphere { width:min(78vw,520px); }
  .flow-line { grid-template-columns:1fr; gap:16px; }.flow-line i { width:1px; height:38px; margin-left:8px; }
  .preview-grid { grid-template-columns:1fr; }.preview-grid article { min-height:300px; }.preview-grid h3 { margin-top:110px; }
  .app-intro { grid-template-columns:1fr; gap:18px; }.app-intro-copy { min-height:auto; padding-bottom:8px; }.app-access-panel { min-height:210px; }
  .module-grid { grid-template-columns:1fr; }.module-card { min-height:350px; }.module-card h2 { margin-top:92px; }
}
@media (max-width: 620px) {
  .site-header { padding:0 18px; }.brand-copy small { display:none; }.ghost-button span { display:none; }
  .hero { padding-left:22px; padding-right:22px; }.hero h1 { font-size:52px; }
  .hero-actions { align-items:flex-start; flex-direction:column; }.hero-object { min-height:380px; }
  .statement { padding-left:24px; padding-right:24px; min-height:700px; }.statement h2 { font-size:48px; }
  .module-preview, .app-home { padding-left:18px; padding-right:18px; }
  .app-home { padding-top:34px; }.app-intro h1 { font-size:46px; }.app-intro-description { font-size:13px; }
  .app-access-panel { padding:23px; border-radius:24px; }.access-count strong { font-size:48px; }
  .module-section-heading { align-items:flex-start; flex-direction:column; gap:7px; }.module-card { min-height:370px; padding:24px; }.module-card h2 { margin-top:100px; }
  .form-row { grid-template-columns:1fr; }.auth-modal { padding:30px 22px; }.site-footer { padding:0 20px; flex-direction:column; justify-content:center; gap:7px; }
  .activity-strip { grid-template-columns:auto 1fr; }.activity-strip time { display:none; }
}