@font-face { font-family: 'JigJoyDisplay'; src: url('assets/fonts/AaHouDiHei.ttf') format('truetype'); font-display: swap; }
:root { --blue-950:#001329; --blue-900:#00285e; --blue-800:#00479a; --blue-700:#076adf; --blue-500:#29b7ff; --sky:#dff7ff; --cream:#f7eed1; --ink:#08203f; --muted:#5c7797; --line:#c7e4f3; --gold:#fbb428; --coral:#ff6b4a; --shell:min(1160px, calc(100% - 48px)); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:#f5fbff; font-family:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height:1.55; }
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
.shell { width:var(--shell); margin:0 auto; }
.site-header { position:fixed; z-index:20; inset:0 0 auto; display:flex; align-items:center; justify-content:space-between; height:76px; padding:0 max(24px, calc((100vw - 1160px) / 2)); color:#fff; background:rgba(0,37,91,.88); border-bottom:1px solid rgba(158,220,255,.25); backdrop-filter:blur(14px); transition:background .25s ease, height .25s ease; }
.site-header.is-scrolled { height:66px; background:rgba(0,19,41,.95); }
.brand { display:inline-flex; align-items:center; gap:11px; font-family:'JigJoyDisplay', Georgia, serif; font-size:24px; letter-spacing:.02em; }
.brand img { width:38px; height:38px; border-radius:10px; box-shadow:0 5px 12px rgba(0,0,0,.25); }
.desktop-nav { display:flex; align-items:center; gap:29px; margin-left:auto; margin-right:34px; font-size:14px; color:#d7efff; }
.desktop-nav a, .mobile-nav a { transition:color .2s ease; }
.desktop-nav a:hover, .mobile-nav a:hover { color:#fff; }
.header-cta { display:inline-flex; align-items:center; gap:8px; padding:10px 15px; border:1px solid rgba(255,255,255,.6); border-radius:5px; font-size:13px; color:#fff; }
.header-cta:hover { background:#fff; color:var(--blue-800); }
.menu-toggle, .mobile-nav { display:none; }
.hero { position:relative; min-height:720px; padding:156px 0 68px; overflow:hidden; color:#fff; background:#00479a; }
.hero-pattern { position:absolute; inset:0; background-image:url('assets/images/puzzle_ui/bg_pattern.png'); background-size:cover; background-position:center top; opacity:.36; pointer-events:none; }
.hero-inner { position:relative; display:grid; grid-template-columns:minmax(0, 1.02fr) minmax(360px, .98fr); align-items:center; gap:70px; }
.hero-copy { position:relative; z-index:2; max-width:620px; }
.eyebrow, .section-kicker { margin:0 0 20px; color:#8bdbff; font-size:11px; font-weight:750; letter-spacing:.17em; text-transform:uppercase; }
.eyebrow { display:inline-flex; align-items:center; gap:9px; padding:7px 10px; border:1px solid rgba(177,234,255,.45); border-radius:3px; background:rgba(0,48,110,.3); }
.eyebrow-dot { width:6px; height:6px; border-radius:50%; background:var(--gold); box-shadow:0 0 0 4px rgba(251,180,40,.16); }
h1, h2, h3, p { margin-top:0; }
h1 { margin-bottom:22px; font-family:'JigJoyDisplay', Georgia, serif; font-size:clamp(3.7rem, 8vw, 7rem); font-weight:400; line-height:.93; letter-spacing:.01em; }
h1 em, h2 em { color:#ffdf5a; font-style:normal; }
.hero-lead { max-width:530px; margin-bottom:29px; color:#d2edff; font-size:17px; line-height:1.8; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-bottom:18px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:13px; min-height:47px; padding:0 21px; border-radius:4px; font-size:14px; font-weight:700; transition:transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform:translateY(-2px); }
.button-primary { color:#0b3264; background:#fff4d0; box-shadow:0 8px 20px rgba(0,16,58,.2); }
.button-primary:hover { box-shadow:0 11px 24px rgba(0,16,58,.3); }
.button-ghost { color:#fff; border:1px solid rgba(205,241,255,.65); background:rgba(0,38,92,.2); }
.button-ghost:hover { background:rgba(255,255,255,.13); }
.hero-note { display:flex; align-items:center; gap:8px; color:#a9d8f5; font-size:12px; }
.mini-check { display:inline-grid; place-items:center; width:16px; height:16px; border-radius:50%; color:#0a579a; background:#8de5ff; font-size:10px; font-weight:800; }
.hero-art { position:relative; min-height:510px; display:grid; place-items:center; }
.phone-frame { position:relative; z-index:2; width:min(330px, 72vw); padding:11px; border:1px solid rgba(216,246,255,.75); border-radius:29px; background:#072f74; box-shadow:0 28px 65px rgba(0,14,59,.42), inset 0 0 0 6px rgba(0,53,130,.8); transform:rotate(5deg); }
.phone-speaker { width:67px; height:5px; margin:2px auto 8px; border-radius:9px; background:#011c4d; }
.phone-screen { position:relative; aspect-ratio:9/17; overflow:hidden; padding:23px 18px 18px; border-radius:20px; background:#0665d9; background-image:url('assets/images/puzzle_ui/bg_pattern.png'); background-size:cover; }
.game-topline, .game-footer { display:flex; align-items:center; justify-content:space-between; color:#ffe55f; font-size:10px; font-weight:800; letter-spacing:.08em; }
.mini-board { display:grid; grid-template-columns:repeat(2,1fr); gap:5px; margin:43px auto 35px; padding:7px; width:90%; aspect-ratio:1; border:5px solid #f7bb2b; border-radius:13px; background:#0037b4; box-shadow:0 0 0 2px #88ddff, 0 10px 0 #012a88; transform:rotate(-3deg); }
.mini-tile { position:relative; border:0; min-width:0; overflow:hidden; border-radius:5px; cursor:pointer; background-size:cover; background-position:center; transition:transform .28s cubic-bezier(.2,1.6,.4,1), filter .2s ease; }
.mini-tile::after { content:''; position:absolute; inset:0; border:1px solid rgba(255,255,255,.65); pointer-events:none; }
.mini-tile:hover, .mini-tile.is-active { transform:scale(.94) rotate(3deg); filter:saturate(1.25) brightness(1.1); }
.tile-a { background-image:url('assets/images/puzzle/levels/1/0.jpg'); }
.tile-b { background-image:url('assets/images/puzzle/levels/14/0.jpg'); background-position:70% center; }
.tile-c { background-image:url('assets/images/puzzle/levels/25/0.jpg'); }
.tile-d { background-image:url('assets/images/puzzle/levels/1/0.jpg'); background-position:85% 78%; }
.game-footer { color:#fff; }
.game-footer strong { color:#ffdf5a; font-size:18px; }
.game-arrow { width:27px; height:27px; display:grid; place-items:center; border-radius:50%; color:#0552ae; background:#fff4d0; font-size:14px; }
.hero-icon-wrap { position:absolute; z-index:3; right:13%; bottom:44px; width:88px; padding:5px; border-radius:21px; background:#f9cc42; box-shadow:0 13px 25px rgba(0,26,90,.4); transform:rotate(-8deg); }
.hero-icon-wrap img { border-radius:16px; }
.hero-float-caption { position:absolute; z-index:4; right:4%; bottom:7px; margin:0; color:#9ddfff; font-family:monospace; font-size:11px; letter-spacing:.16em; }
.orbit { position:absolute; border:1px solid rgba(141,224,255,.42); border-radius:50%; transform:rotate(-23deg); }
.orbit-one { width:430px; height:165px; }
.orbit-two { width:480px; height:230px; transform:rotate(32deg); border-color:rgba(251,180,40,.45); }
.hero-bottom-line { position:absolute; right:24px; bottom:17px; left:24px; display:flex; justify-content:space-between; color:rgba(203,235,255,.62); font-family:monospace; font-size:10px; letter-spacing:.13em; }
.proof-strip { border-bottom:1px solid var(--line); background:#fff; }
.proof-grid { display:grid; grid-template-columns:repeat(4,1fr); }
.proof-item { display:flex; flex-direction:column; gap:5px; padding:27px 23px; border-left:1px solid var(--line); }
.proof-item:last-child { border-right:1px solid var(--line); }
.proof-item strong { color:var(--blue-800); font-size:23px; font-weight:800; }
.proof-item span { color:var(--muted); font-size:12px; }
.section-band { padding:120px 0; }
.experience { background:#f5fbff; }
.section-heading { max-width:650px; margin-bottom:58px; }
.section-heading h2, .about h2, .contact h2, .legal h2 { margin-bottom:18px; color:var(--blue-950); font-family:'JigJoyDisplay', Georgia, serif; font-size:clamp(2.5rem, 5vw, 4.3rem); font-weight:400; line-height:1.02; }
.section-heading > p:last-child { max-width:510px; color:var(--muted); font-size:16px; line-height:1.75; }
.split-heading { display:grid; grid-template-columns:1fr .68fr; gap:60px; align-items:end; max-width:none; }
.split-heading > p { margin-bottom:0; }
.steps-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); }
.step-item { position:relative; padding:35px 32px 13px 0; border-right:1px solid var(--line); }
.step-item + .step-item { padding-left:32px; }
.step-item:last-child { border-right:0; }
.step-number { display:block; margin-bottom:29px; color:#7da0bd; font-family:monospace; font-size:12px; letter-spacing:.12em; }
.step-highlight .step-number { color:var(--coral); }
.step-icon { position:relative; width:98px; height:92px; margin-bottom:24px; }
.step-icon span { position:absolute; display:block; width:48px; height:58px; border:2px solid var(--blue-700); border-radius:7px; background:#fff; box-shadow:5px 5px 0 #9cddfb; }
.step-swap span:first-child { left:4px; top:17px; transform:rotate(-13deg); background:url('assets/images/puzzle/levels/1/0.jpg') center/cover; }
.step-swap span:last-child { left:45px; top:8px; transform:rotate(12deg); background:url('assets/images/puzzle/levels/14/0.jpg') center/cover; }
.step-icon i { position:absolute; left:31px; top:37px; z-index:2; color:var(--coral); font-size:27px; font-style:normal; font-weight:800; }
.step-merge span:first-child { left:9px; top:21px; transform:rotate(-10deg); background:url('assets/images/puzzle/levels/14/0.jpg') center/cover; }
.step-merge span:nth-child(2) { left:40px; top:10px; transform:rotate(8deg); background:url('assets/images/puzzle/levels/14/0.jpg') 74% center/cover; }
.step-merge b { position:absolute; left:34px; top:35px; z-index:2; color:#ffdf5a; font-size:24px; text-shadow:0 1px 0 var(--blue-900); }
.step-drop span:first-child { left:6px; top:7px; background:url('assets/images/puzzle/levels/25/0.jpg') center/cover; }
.step-drop span:nth-child(2) { left:48px; top:28px; background:url('assets/images/puzzle/levels/1/0.jpg') 70% center/cover; }
.step-drop i { position:absolute; left:35px; top:39px; z-index:2; color:var(--coral); font-size:24px; font-style:normal; font-weight:800; }
.step-item h3 { margin-bottom:8px; color:var(--blue-950); font-size:21px; }
.step-item p { max-width:260px; margin-bottom:0; color:var(--muted); font-size:14px; line-height:1.75; }
.gallery { color:#fff; background:var(--blue-950); background-image:url('assets/images/puzzle_ui/bg_pattern.png'); background-size:cover; background-position:center; }
.gallery .section-kicker, .about .section-kicker, .contact .section-kicker, .legal .section-kicker { color:#72d8ff; }
.gallery h2 { color:#fff; }
.gallery .section-heading > p:last-child { color:#9dc2df; }
.gallery-layout { display:grid; grid-template-columns:1.23fr .77fr; gap:21px; align-items:stretch; }
.gallery figure { position:relative; overflow:hidden; margin:0; border-radius:11px; background:#082a55; }
.gallery-feature { min-height:520px; }
.gallery-feature img, .gallery-card img { width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.gallery figure:hover img { transform:scale(1.045); }
.gallery-feature::after, .gallery-card::after { content:''; position:absolute; inset:0; background:linear-gradient(0deg, rgba(0,11,35,.82), transparent 55%); pointer-events:none; }
.gallery figcaption { position:absolute; z-index:1; right:26px; bottom:24px; left:26px; display:flex; flex-direction:column; gap:5px; }
.gallery figcaption span { color:#a0ddff; font-family:monospace; font-size:10px; letter-spacing:.12em; }
.gallery figcaption strong { color:#fff7dc; font-family:'JigJoyDisplay', Georgia, serif; font-size:28px; font-weight:400; }
.gallery-stack { display:grid; grid-template-rows:1fr 1fr; gap:21px; }
.gallery-card { min-height:249px; }
.gallery-card img { object-position:center; }
.gallery-card.card-dark img { object-position:70% center; }
.gallery-card figcaption strong { font-size:22px; }
.album-note { display:flex; align-items:center; gap:12px; padding-top:25px; color:#9dc2df; font-size:13px; }
.album-mark { color:#ffdf5a; font-size:17px; }
.album-note a { margin-left:auto; color:#fff; border-bottom:1px solid rgba(255,255,255,.4); padding-bottom:3px; }
.album-note a:hover { color:#ffdf5a; }
.about { background:#fff; }
.about-grid { display:grid; grid-template-columns:1fr .92fr; gap:100px; align-items:center; }
.about-copy { max-width:540px; }
.about h2 { color:var(--blue-950); }
.about-copy > p:not(.section-kicker) { color:var(--muted); font-size:16px; line-height:1.85; }
.about-tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:29px; }
.about-tags span { padding:7px 11px; border:1px solid #b5dff3; border-radius:100px; color:var(--blue-800); font-size:12px; }
.about-visual { position:relative; min-height:400px; display:grid; place-items:center; }
.card-back-stack { position:relative; width:240px; height:300px; transform:rotate(11deg); }
.card-back-stack img { position:absolute; width:220px; border:5px solid #fbb428; border-radius:17px; box-shadow:0 16px 30px rgba(0,41,93,.17); }
.card-back-stack img:nth-child(1) { top:0; left:0; transform:rotate(-9deg); }
.card-back-stack img:nth-child(2) { top:19px; left:17px; transform:rotate(1deg); }
.card-back-stack img:nth-child(3) { top:38px; left:35px; transform:rotate(11deg); }
.about-stat { position:absolute; right:9%; bottom:26px; display:flex; align-items:center; gap:10px; padding:12px 16px; color:#fff; background:var(--blue-700); box-shadow:0 9px 20px rgba(0,52,122,.22); transform:rotate(-7deg); }
.about-stat strong { color:#ffdf5a; font-family:'JigJoyDisplay', Georgia, serif; font-size:37px; font-weight:400; line-height:1; }
.about-stat span { font-size:11px; line-height:1.3; }
.contact { color:#fff; background:var(--blue-700); }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:end; }
.contact h2 { color:#fff; max-width:650px; }
.contact-intro { max-width:520px; margin-bottom:0; color:#c8edff; font-size:16px; line-height:1.8; }
.contact-detail { padding-left:42px; border-left:1px solid rgba(190,237,255,.35); }
.email-link { display:inline-flex; align-items:center; gap:10px; margin-bottom:21px; color:#fff4c9; font-family:'JigJoyDisplay', Georgia, serif; font-size:clamp(1.5rem, 3vw, 2.5rem); font-weight:400; }
.email-link:hover { color:#fff; }
.contact-detail p { margin-bottom:0; color:#c8edff; font-size:13px; line-height:1.8; }
.contact-detail strong { color:#fff; }
.legal { padding:72px 0; background:#dff5ff; }
.legal-grid { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.legal h2 { margin-bottom:0; font-size:clamp(2rem, 4vw, 3.4rem); }
.legal-links { display:grid; gap:0; }
.legal-links a { display:flex; justify-content:space-between; padding:16px 0; border-bottom:1px solid #a6d4e9; color:var(--blue-800); font-size:15px; }
.legal-links a:first-child { border-top:1px solid #a6d4e9; }
.legal-links a:hover { color:var(--coral); padding-left:7px; }
.site-footer { padding:28px 0; color:#b9d0e3; background:var(--blue-950); }
.footer-grid { display:grid; grid-template-columns:1fr 1fr 1fr; align-items:center; gap:20px; }
.footer-brand { color:#fff; font-size:20px; }
.footer-brand img { width:30px; height:30px; border-radius:8px; }
.footer-grid p { margin:0; text-align:center; font-size:12px; }
.footer-grid .copyright { text-align:right; }
@media (max-width: 840px) { :root { --shell:min(100% - 36px, 640px); } .site-header { height:66px; padding:0 18px; } .desktop-nav, .header-cta { display:none; } .menu-toggle { display:flex; flex-direction:column; gap:6px; width:38px; height:38px; align-items:center; justify-content:center; border:1px solid rgba(255,255,255,.4); border-radius:4px; color:#fff; background:transparent; cursor:pointer; } .menu-toggle span { width:16px; height:1px; background:#fff; transition:transform .2s ease; } .menu-toggle[aria-expanded="true"] span:first-child { transform:translateY(3.5px) rotate(45deg); } .menu-toggle[aria-expanded="true"] span:last-child { transform:translateY(-3.5px) rotate(-45deg); } .mobile-nav { position:absolute; top:66px; right:0; left:0; display:grid; max-height:0; overflow:hidden; background:#001b43; transition:max-height .25s ease; } .mobile-nav.is-open { max-height:360px; border-bottom:1px solid rgba(158,220,255,.25); } .mobile-nav a { padding:15px 20px; border-top:1px solid rgba(158,220,255,.14); color:#d7efff; font-size:14px; } .hero { min-height:0; padding:126px 0 73px; } .hero-inner { grid-template-columns:1fr; gap:41px; } .hero-copy { max-width:none; } h1 { font-size:clamp(3.5rem, 17vw, 5.4rem); } .hero-lead { font-size:15px; } .hero-art { min-height:455px; } .phone-frame { width:min(302px, 79vw); } .hero-icon-wrap { right:8%; bottom:34px; width:75px; } .hero-float-caption { right:1%; bottom:1px; } .orbit-one { width:390px; } .orbit-two { width:420px; } .proof-grid { grid-template-columns:repeat(2,1fr); } .proof-item { padding:20px 17px; } .proof-item:nth-child(odd) { border-left:0; } .proof-item:nth-child(-n+2) { border-bottom:1px solid var(--line); } .section-band { padding:82px 0; } .split-heading, .about-grid, .contact-grid, .legal-grid { grid-template-columns:1fr; gap:32px; } .split-heading { gap:18px; } .section-heading { margin-bottom:42px; } .steps-grid { grid-template-columns:1fr; } .step-item, .step-item + .step-item { padding:27px 0; border-right:0; border-bottom:1px solid var(--line); } .step-item:last-child { border-bottom:0; } .step-icon { margin-bottom:19px; } .gallery-layout { grid-template-columns:1fr; } .gallery-feature { min-height:430px; } .gallery-stack { min-height:420px; } .album-note { align-items:flex-start; flex-wrap:wrap; } .album-note a { width:100%; margin-left:29px; } .about-grid { gap:12px; } .about-visual { min-height:360px; } .contact-detail { padding:27px 0 0; border-top:1px solid rgba(190,237,255,.35); border-left:0; } .legal { padding:66px 0; } .footer-grid { grid-template-columns:1fr; gap:13px; } .footer-grid p, .footer-grid .copyright { text-align:left; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior:auto !important; transition-duration:.01ms !important; animation-duration:.01ms !important; } }