@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root {
  --navy: #062f5f;
  --blue: #0757a8;
  --blue-2: #0c75d8;
  --sky: #79c8ff;
  --pale: #eaf7ff;
  --ice: #f6fbff;
  --ink: #0a3159;
  --muted: #5f7891;
  --line: rgba(7, 87, 168, .15);
  --gold: #d59618;
  --white: #fff;
  --shadow: 0 24px 70px rgba(5, 66, 126, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ice);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; border-radius: .6rem; color: white; background: var(--navy); }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid #ffca42; outline-offset: 4px; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 3rem));
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--navy);
  border-bottom: 1px solid rgba(6, 47, 95, .13);
}

.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 900; letter-spacing: .04em; }
.brand-logo { width: 38px; height: 38px; display: block; object-fit: cover; border: 2px solid rgba(255,255,255,.9); border-radius: 10px; box-shadow: 7px 7px 0 rgba(12,117,216,.14); }

nav { display: flex; gap: 2.1rem; font-size: .92rem; font-weight: 600; }
nav a { position: relative; }
nav a::after { content: ""; position: absolute; left: 0; bottom: -.45rem; width: 0; height: 2px; background: var(--blue-2); transition: width .2s ease; }
nav a:hover::after { width: 100%; }
.header-cta { padding: .67rem 1.2rem; border: 1px solid var(--blue); border-radius: 999px; color: var(--blue); font-size: .9rem; font-weight: 700; transition: .2s ease; }
.header-cta:hover { color: white; background: var(--blue); transform: translateY(-2px); }

.hero {
  position: relative;
  min-height: 790px;
  padding: 170px max(5vw, calc((100vw - 1180px) / 2)) 90px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 4rem;
  background: linear-gradient(118deg, #f8fdff 0%, #e9f7ff 52%, #9edaff 100%);
  overflow: hidden;
}
.hero::before { content: ""; position: absolute; width: 50vw; height: 50vw; right: -18vw; top: -18vw; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.12), 0 0 0 160px rgba(255,255,255,.08); }
.hero-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(6,47,95,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(6,47,95,.13) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent, #000 48%, #000); }
.hero-copy, .hero-art { position: relative; z-index: 2; }
.eyebrow, .section-kicker { color: var(--blue-2); font-size: .78rem; line-height: 1.4; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: .6rem; padding: .5rem .8rem; background: rgba(255,255,255,.72); border: 1px solid rgba(7,87,168,.12); border-radius: 999px; box-shadow: 0 10px 30px rgba(5,66,126,.08); }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: #26a56d; box-shadow: 0 0 0 4px rgba(38,165,109,.13); }
.hero h1 { margin: 1.35rem 0 1.25rem; font-size: clamp(3rem, 5.5vw, 5.4rem); line-height: 1.12; letter-spacing: -.055em; color: var(--navy); }
.hero h1 em { color: var(--blue-2); font-style: normal; }
.hero-copy > p { max-width: 620px; margin: 0; color: #486a88; font-size: 1.08rem; line-height: 1.9; }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; margin: 2rem 0 2.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 52px; padding: .8rem 1.45rem; border-radius: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: white; background: var(--blue); box-shadow: 0 14px 30px rgba(7,87,168,.25); }
.button-primary:hover { background: var(--navy); box-shadow: 0 18px 36px rgba(6,47,95,.28); }
.button-ghost { color: var(--navy); background: rgba(255,255,255,.66); border: 1px solid rgba(6,47,95,.14); }
.button-white { color: var(--blue); background: white; box-shadow: 0 16px 34px rgba(0,26,59,.2); }
.quick-facts { display: flex; align-items: stretch; gap: 1.4rem; }
.quick-facts div { padding-right: 1.4rem; border-right: 1px solid rgba(6,47,95,.16); }
.quick-facts div:last-child { border: 0; padding-right: 0; }
.quick-facts strong, .quick-facts span { display: block; }
.quick-facts strong { color: var(--navy); font-size: 1.02rem; }
.quick-facts span { color: var(--muted); font-size: .76rem; }

.hero-art { min-height: 510px; display: grid; place-items: center; }
.moon-orbit { position: absolute; width: 430px; height: 430px; border: 1px dashed rgba(6,47,95,.25); border-radius: 50%; animation: spin 36s linear infinite; }
.moon { position: absolute; right: 29px; top: 55px; width: 84px; height: 84px; border-radius: 50%; background: #f4fbff; box-shadow: -18px 9px 0 #80caff, 0 10px 35px rgba(6,47,95,.15); }
.star { position: absolute; color: white; filter: drop-shadow(0 6px 7px rgba(6,47,95,.15)); }
.star-a { left: 30px; top: 102px; font-size: 2.2rem; }
.star-b { right: 60px; bottom: 38px; font-size: 1.5rem; }
.star-c { left: 88px; bottom: 12px; font-size: 2.8rem; }
.world-card { position: relative; width: min(390px, 88%); padding: 2rem; color: white; background: linear-gradient(145deg, rgba(6,47,95,.96), rgba(7,87,168,.92)); border: 1px solid rgba(255,255,255,.28); border-radius: 30px; box-shadow: 0 42px 90px rgba(6,47,95,.32), inset 0 1px rgba(255,255,255,.18); backdrop-filter: blur(10px); transform: rotate(3deg); }
.world-card::before { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(121,200,255,.25); border-radius: 22px; pointer-events: none; }
.status { display: inline-flex; align-items: center; gap: .55rem; font-size: .78rem; font-weight: 700; color: #cceeff; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: #5be6a6; box-shadow: 0 0 0 5px rgba(91,230,166,.12); }
.world-title { margin: 4.2rem 0 .7rem; font-size: clamp(2.4rem, 5vw, 4rem); line-height: .88; letter-spacing: -.05em; font-weight: 900; }
.world-card p { margin: 0 0 2.4rem; color: #a9ddff; font-size: .82rem; letter-spacing: .12em; }
.blocks { display: flex; align-items: end; justify-content: flex-end; gap: 5px; height: 58px; }
.blocks span { width: 34px; height: 34px; background: #78caff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }
.blocks span:nth-child(2) { height: 52px; }
.blocks span:nth-child(3) { background: white; }
.blocks span:nth-child(4) { height: 22px; opacity: .75; }
.blocks span:nth-child(5) { height: 44px; background: #2d94eb; }
.pixel { position: absolute; width: 15px; height: 15px; background: rgba(7,87,168,.16); }
.pixel-one { left: 4%; top: 31%; }
.pixel-two { left: 47%; bottom: 12%; width: 10px; height: 10px; }
.pixel-three { right: 4%; top: 22%; width: 20px; height: 20px; background: rgba(255,255,255,.35); }
@keyframes spin { to { transform: rotate(360deg); } }

.section { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; padding: 110px 0; }
.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 7rem; align-items: end; }
.section-kicker { margin: 0 0 1rem; }
.section h2, .join h2 { margin: 0; color: var(--navy); font-size: clamp(2.1rem, 4vw, 3.65rem); line-height: 1.22; letter-spacing: -.045em; }
.intro-copy { margin: 0 0 .5rem; color: var(--muted); font-size: 1.04rem; line-height: 2; border-left: 3px solid var(--sky); padding-left: 1.7rem; }

.features { padding-top: 40px; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 5rem; align-items: end; margin-bottom: 3.4rem; }
.section-heading > p { margin: 0 0 .55rem; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 1rem; }
.feature-card { position: relative; min-height: 300px; padding: 1.8rem; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 12px 35px rgba(5,66,126,.06); transition: transform .25s ease, box-shadow .25s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-card h3 { margin: 3.8rem 0 .65rem; color: var(--navy); font-size: 1.55rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.feature-number { position: absolute; right: 1.5rem; top: 1.5rem; color: #8eb1cf; font-size: .74rem; font-weight: 800; letter-spacing: .1em; }
.icon { display: grid; place-items: center; width: 46px; height: 46px; color: var(--blue); background: var(--pale); border-radius: 12px; font-size: 1.2rem; font-weight: 900; }
.feature-large { grid-row: span 2; min-height: 616px; background: linear-gradient(160deg, white, #eaf7ff); }
.feature-large h3 { margin-top: 2rem; }
.land-map { position: absolute; left: 1.8rem; right: 1.8rem; bottom: 1.8rem; height: 265px; display: grid; grid-template-columns: 1fr .75fr; gap: 8px; transform: perspective(500px) rotateX(14deg) rotateZ(-2deg); }
.land-map span { border: 2px solid rgba(7,87,168,.22); background-color: rgba(121,200,255,.22); background-image: linear-gradient(rgba(7,87,168,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(7,87,168,.1) 1px, transparent 1px); background-size: 22px 22px; }
.land-map span:nth-child(2), .land-map span:nth-child(3) { background-color: rgba(7,87,168,.13); }
.land-map span:nth-child(4) { border-color: var(--blue-2); background-color: rgba(12,117,216,.2); }
.dark-card { color: white; background: linear-gradient(145deg, #07396e, #0757a8); border: 0; }
.dark-card h3, .dark-card p { color: white; }
.dark-card p { color: #bfe5ff; }
.dark-card .icon { color: white; background: rgba(255,255,255,.12); }
.dark-card .feature-number { color: #84cfff; }
.wide-card { grid-column: span 2; min-height: 230px; display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-content: start; }
.wide-card h3 { margin: 0 0 .4rem; }
.title-samples { position: absolute; right: 1.7rem; bottom: 1.7rem; display: flex; gap: .5rem; }
.title-samples span { padding: .4rem .75rem; color: var(--blue); background: var(--pale); border: 1px solid var(--line); border-radius: 999px; font-size: .75rem; font-weight: 700; }
.bot-card { grid-column: span 1; min-height: 310px; background: linear-gradient(150deg, #eef9ff 0%, #fff 72%); }
.bot-card h3 { margin-top: 1.7rem; }
.bot-card p { max-width: 530px; }
.chat-bubbles { position: absolute; left: 1.8rem; right: 1.8rem; bottom: 1.8rem; display: grid; gap: .6rem; }
.chat-bubbles span { width: fit-content; padding: .7rem 1rem; color: var(--blue); background: white; border: 1px solid var(--line); border-radius: 14px 14px 14px 3px; font-size: .82rem; box-shadow: 0 8px 20px rgba(5,66,126,.08); }
.chat-bubbles span:last-child { justify-self: end; color: white; background: var(--blue); border-radius: 14px 14px 3px 14px; }
.story-card { grid-column: span 2; min-height: 310px; color: white; background: linear-gradient(125deg, #052f5d 0%, #0757a8 70%, #1483dd 100%); border: 0; }
.story-card .icon { color: #ffe4a2; background: rgba(255,255,255,.12); }
.story-card .feature-number { color: #86cdfa; }
.story-card .story-label { margin: 1.5rem 0 .2rem; color: #7fd0ff; font-size: .72rem; font-weight: 800; letter-spacing: .2em; }
.story-card h3 { margin: 0 0 .6rem; color: white; }
.story-card > p:last-of-type { max-width: 480px; color: #c2e3f7; }
.story-sign { position: absolute; right: 2rem; bottom: 1.8rem; min-width: 210px; padding: 1rem 1.3rem; border: 1px solid rgba(255,255,255,.26); border-radius: 14px; background: rgba(2,35,70,.38); backdrop-filter: blur(8px); }
.story-sign span, .story-sign small { display: block; }
.story-sign span { font-size: 1.35rem; font-weight: 900; letter-spacing: .16em; }
.story-sign small { margin-top: .2rem; color: #8ed4ff; font-size: .6rem; letter-spacing: .13em; }

.team { width: 100%; padding-inline: max(5vw, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; color: white; background: var(--navy); }
.team h2 { color: white; }
.team-intro > p:last-child { color: #a7cce8; margin: 1.6rem 0 0; max-width: 440px; }
.section-kicker.light { color: var(--sky); }
.team-list { display: grid; gap: .9rem; }
.person { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 1.25rem; align-items: center; min-height: 145px; padding: 1.35rem 1.5rem; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(255,255,255,.055); }
.avatar { display: grid; place-items: center; width: 72px; height: 72px; overflow: hidden; border-radius: 16px; font-size: 1.5rem; font-weight: 900; }
.avatar img { width: 100%; height: 100%; display: block; object-fit: cover; }
.owner .avatar { color: #fff3bd; background: linear-gradient(145deg, #7c5200, var(--gold)); }
.admin .avatar { color: #d9f1ff; background: linear-gradient(145deg, #082e70, #1266c2); }
.person small { color: #73bce9; font-size: .66rem; letter-spacing: .16em; font-weight: 700; }
.person h3 { margin: .08rem 0 .25rem; font-size: 1.35rem; }
.person p { margin: 0; color: #9ec0db; font-size: .83rem; }
.role { padding: .35rem .72rem; border-radius: 999px; font-size: .73rem; font-weight: 800; white-space: nowrap; }
.role-owner { color: #ffe7a1; background: rgba(213,150,24,.2); border: 1px solid rgba(213,150,24,.5); }
.role-admin { color: #a9d6ff; background: rgba(18,102,194,.25); border: 1px solid rgba(80,155,232,.45); }

.gallery { width: min(1280px, calc(100% - 3rem)); }
.gallery-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 6rem; align-items: end; width: min(1180px, 100%); margin: 0 auto 3.2rem; }
.gallery-heading > p { max-width: 500px; margin: 0 0 .55rem; color: var(--muted); }
.gallery-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.shot { position: relative; min-height: 330px; margin: 0; overflow: hidden; background: var(--navy); border-radius: 22px; box-shadow: 0 18px 45px rgba(5,66,126,.12); }
.shot-main { grid-column: span 2; min-height: 560px; }
.shot:last-child { grid-column: span 2; min-height: 430px; }
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .65s cubic-bezier(.2,.65,.25,1); }
.shot::after { content: ""; position: absolute; inset: 42% 0 0; pointer-events: none; background: linear-gradient(transparent, rgba(3,25,49,.88)); }
.shot:hover img { transform: scale(1.035); }
.shot figcaption { position: absolute; z-index: 2; left: 1.7rem; right: 1.7rem; bottom: 1.5rem; display: grid; grid-template-columns: auto 1fr auto; gap: .85rem; align-items: center; color: white; }
.shot figcaption span { display: grid; place-items: center; width: 34px; height: 34px; color: var(--navy); background: var(--sky); border-radius: 9px; font-size: .7rem; font-weight: 900; }
.shot figcaption strong { font-size: 1.05rem; }
.shot figcaption small { color: #b8dbf3; font-size: .64rem; letter-spacing: .14em; }

.join { position: relative; width: min(1180px, calc(100% - 3rem)); margin: 0 auto 50px; padding: 78px 2rem; overflow: hidden; text-align: center; color: white; background: linear-gradient(125deg, #06427e, #0874cf); border-radius: 30px; box-shadow: 0 28px 60px rgba(6,47,95,.2); }
.join-pattern { position: absolute; inset: 0; opacity: .15; background-image: linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.55) 1px, transparent 1px); background-size: 36px 36px; mask-image: radial-gradient(circle at center, #000, transparent 78%); }
.join > *:not(.join-pattern) { position: relative; }
.join h2 { color: white; }
.join > p:not(.section-kicker) { margin: 1rem auto 1.8rem; color: #bfe5ff; }

footer { width: min(1180px, calc(100% - 3rem)); min-height: 120px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: #6e879e; font-size: .8rem; }
.footer-brand { color: var(--navy); font-size: .92rem; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 145px; text-align: center; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions, .quick-facts { justify-content: center; }
  .hero-art { min-height: 430px; }
  .intro, .section-heading, .team { grid-template-columns: 1fr; gap: 3rem; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-large { grid-row: span 2; }
  .wide-card { grid-column: span 1; }
  .bot-card { grid-column: span 1; }
  .story-card { grid-column: span 1; }
  .gallery-heading { grid-template-columns: 1fr; gap: 1.4rem; }
  .shot-main { min-height: 470px; }
}

@media (max-width: 680px) {
  .site-header { width: calc(100% - 2rem); height: 72px; }
  .site-header .brand > span:last-child { font-size: .88rem; }
  .brand-mark { width: 28px; height: 28px; }
  .header-cta { padding: .55rem .8rem; font-size: .78rem; }
  .hero { min-height: auto; padding: 118px 1rem 70px; gap: 2.2rem; }
  .hero h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .hero-copy > p { font-size: .98rem; }
  .quick-facts { gap: .7rem; }
  .quick-facts div { padding-right: .7rem; }
  .quick-facts strong { font-size: .88rem; }
  .quick-facts span { font-size: .68rem; }
  .hero-art { min-height: 360px; }
  .moon-orbit { width: 320px; height: 320px; }
  .world-card { padding: 1.5rem; border-radius: 24px; }
  .world-title { margin-top: 3rem; }
  .section { width: calc(100% - 2rem); padding: 75px 0; }
  .intro { gap: 2rem; }
  .section-heading { margin-bottom: 2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-large { min-height: 570px; }
  .bot-card, .story-card, .wide-card { grid-column: span 1; }
  .wide-card { display: block; }
  .wide-card h3 { margin-top: 1.7rem; }
  .title-samples { position: static; flex-wrap: wrap; margin-top: 1.4rem; }
  .bot-card { padding-bottom: 1.8rem; }
  .chat-bubbles { position: static; width: 100%; margin-top: 1.5rem; }
  .story-sign { position: static; width: 100%; margin-top: 1.5rem; }
  .team { width: 100%; padding: 75px 1rem; }
  .person { grid-template-columns: auto 1fr; align-items: start; }
  .role { grid-column: 2; justify-self: start; }
  .avatar { width: 58px; height: 58px; }
  .gallery { width: calc(100% - 2rem); }
  .gallery-grid { grid-template-columns: 1fr; }
  .shot, .shot-main, .shot:last-child { grid-column: span 1; min-height: 280px; }
  .shot-main { min-height: 340px; }
  .shot figcaption { left: 1rem; right: 1rem; bottom: 1rem; }
  .shot figcaption small { display: none; }
  .join { width: calc(100% - 2rem); padding: 60px 1.2rem; border-radius: 22px; }
  .join h2 br { display: none; }
  footer { width: calc(100% - 2rem); padding: 2rem 0; flex-direction: column; justify-content: center; gap: .4rem; text-align: center; }
  footer p { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}