:root {
    --navy: #06152e;
    --navy-2: #08245a;
    --blue: #0b5cff;
    --blue-2: #123f86;
    --ink: #071a3d;
    --muted: #5e6c84;
    --line: #dfe8f6;
    --soft: #f7faff;
    --green: #22b85a;
    --cyan: #14bfd1;
    --yellow: #f6c425;
    --orange: #ff6b2a;
    --purple: #6a45e8;
    --container: 1280px;
    --header: 76px;
    /* Reference site colors */
    --ref-blue: #1a56db;
    --ref-blue-dark: #0d3b8f;
    --ref-bg-start: #0a1f44;
    --ref-bg-end: #1e40af;
    --ref-cyan: #00bfff;
    --ref-green: #4ade80;
    --ref-yellow: #fbbf24;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.goai-site { margin: 0; color: var(--ink); background: #fff; font-family: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.site-container { width: min(var(--container), calc(100% - 64px)); margin: 0 auto; }
.section-pad { padding: 112px 0; }
.section-index, .eyebrow { display: inline-block; color: var(--blue); font-size: 12px; line-height: 1; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.section-index.light { color: rgba(255,255,255,.62); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 50px; padding: 0 24px; border: 1px solid var(--blue); border-radius: 6px; background: var(--blue); color: #fff; font-size: 14px; font-weight: 750; letter-spacing: 0; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(11,92,255,.24); color: #fff; }
.button-small { min-height: 42px; padding: 0 18px; }
.button-bright { background: #fff; border-color: #fff; color: var(--blue); }
.button-bright:hover, .button-light:hover { color: var(--blue); box-shadow: 0 12px 34px rgba(6,21,46,.26); }
.button-outline-light { background: transparent; border-color: rgba(255,255,255,.48); color: #fff; }
.button-light { background: #fff; border-color: #fff; color: var(--blue); }
.button-secondary { background: #fff; border-color: #c8d4e6; color: var(--ink); }
.button-secondary:hover { color: var(--ink); box-shadow: 0 8px 20px rgba(6,21,46,.08); }
.button-wide { width: 100%; }
.arrow-link { display: inline-flex; align-items: center; gap: 18px; color: var(--blue); font-size: 14px; font-weight: 750; }
.arrow-link span { font-size: 20px; transition: transform .2s; }
.arrow-link:hover span { transform: translateX(5px); }

/* Header */
.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: var(--header); color: #fff; transition: height .25s, background .25s, box-shadow .25s; }
.site-header.scrolled, body:not(:has(.home-hero)):not(:has(.page-hero)):not(:has(.track-detail-hero)):not(:has(.dashboard-hero)):not(:has(.auth-page)) .site-header { background: rgba(6,21,46,.96); box-shadow: 0 8px 30px rgba(6,21,46,.16); backdrop-filter: blur(14px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 42px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark { position: relative; display: inline-block; width: 34px; height: 30px; }
.brand-mark i { position: absolute; display: block; width: 17px; height: 17px; border: 4px solid currentColor; border-radius: 50%; }
.brand-mark i:nth-child(1) { left: 0; top: 0; color: var(--cyan); }
.brand-mark i:nth-child(2) { right: 0; top: 0; color: var(--blue); }
.brand-mark i:nth-child(3) { left: 8px; bottom: 0; color: var(--green); }
.brand-word { color: #fff; font-size: 25px; font-weight: 900; line-height: 1; }
/* Reference site brand style */
.brand-ref { display: inline-flex; align-items: center; gap: 6px; }
.brand-ref .brand-g { font-size: 28px; font-weight: 900; color: #fff; }
.brand-ref .brand-o { width: 24px; height: 24px; border-radius: 50%; background: conic-gradient(from 0deg, #3b82f6, #22c55e, #eab308, #f97316, #ef4444, #a855f7, #3b82f6); }
.brand-ref .brand-ai { font-size: 28px; font-weight: 900; color: #fff; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 30px; flex: 1; }
.desktop-nav a { position: relative; color: rgba(255,255,255,.78); font-size: 14px; font-weight: 600; white-space: nowrap; transition: color .2s; }
.desktop-nav a:after { content: ""; position: absolute; left: 0; bottom: -8px; width: 0; height: 2px; background: var(--cyan); transition: width .2s; }
.desktop-nav a:hover { color: #fff; }
.desktop-nav a:hover:after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.text-link, .language-link { color: #fff; font-size: 13px; font-weight: 700; }
.language-link { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; }
/* Reference site header pills */
.lang-pill { display: inline-flex; align-items: center; gap: 4px; padding: 6px 14px; border-radius: 20px; background: rgba(255,255,255,.15); color: #fff; font-size: 13px; font-weight: 600; border: 1px solid rgba(255,255,255,.2); transition: background .2s; }
.lang-pill:hover { background: rgba(255,255,255,.25); }
.lang-pill .active { color: #60a5fa; }
.auth-pill { display: inline-flex; align-items: center; padding: 6px 16px; border-radius: 20px; background: rgba(255,255,255,.12); color: #fff; font-size: 13px; font-weight: 600; border: 1px solid rgba(255,255,255,.2); transition: background .2s; }
.auth-pill:hover { background: rgba(255,255,255,.22); }
.btn-register { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 8px; background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; font-size: 14px; font-weight: 700; border: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.btn-register:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,.4); }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: #fff; cursor: pointer; }
.header-actions .icon-button { border-color: rgba(255,255,255,.25); background: transparent; color: #fff; }
.chat-icon { position: relative; width: 18px; height: 15px; border: 2px solid currentColor; border-radius: 5px; }
.chat-icon:after { content: ""; position: absolute; left: 2px; bottom: -5px; width: 6px; height: 6px; border-left: 2px solid currentColor; transform: skew(-35deg); }
.menu-trigger { display: none; flex-direction: column; gap: 4px; }
.menu-trigger span { width: 18px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
.mobile-menu { display: none; }

/* Home */
.home-hero { position: relative; min-height: 100vh; padding-top: var(--header); overflow: hidden; color: #fff; background: radial-gradient(ellipse at 70% 20%, rgba(59,130,246,.35), transparent 50%), radial-gradient(ellipse at 20% 80%, rgba(37,99,235,.4), transparent 40%), linear-gradient(160deg, #0a1f44 0%, #1e3a8a 50%, #1e40af 100%); }
/* Dot pattern overlay */
.home-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 24px 24px; pointer-events: none; }
.hero-grid { position: absolute; inset: 0; opacity: .17; background-image: linear-gradient(rgba(255,255,255,.17) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.17) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero-orbit { position: absolute; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; }
.orbit-one { width: 800px; height: 800px; right: -160px; top: 20px; }
.orbit-two { width: 520px; height: 520px; right: -20px; top: 158px; }
.hero-content { position: relative; z-index: 2; min-height: calc(100vh - 76px); display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; padding-top: 40px; padding-bottom: 120px; }
.hero-copy { max-width: 600px; }
.hero-kicker { color: rgba(255,255,255,.66); font-size: 12px; font-weight: 750; letter-spacing: .2em; }
/* Reference site hero title style */
.hero-title-ref { margin: 0; }
.hero-title-ref .goai-text { display: block; font-size: 72px; font-weight: 900; line-height: 1.1; letter-spacing: -2px; background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,.9) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-title-ref .main-title { display: block; margin-top: 8px; font-size: 52px; font-weight: 900; line-height: 1.2; color: #fff; }
.hero-copy h1 { margin: 27px 0 24px; color: #fff; font-size: 82px; line-height: 1.04; font-weight: 950; letter-spacing: 0; }
.hero-copy h1 span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.84); }
.hero-desc { max-width: 520px; margin: 24px 0 0; color: rgba(255,255,255,.75); font-size: 16px; line-height: 1.8; }
.hero-copy p { max-width: 660px; margin: 0; color: rgba(255,255,255,.74); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
/* Reference site buttons */
.btn-gradient { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 10px; background: linear-gradient(135deg, #4ade80 0%, #fbbf24 100%); color: #0a1f44; font-size: 16px; font-weight: 700; border: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.btn-gradient:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(74,222,128,.35); }
.btn-outline-white { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 10px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.4); color: #fff; font-size: 16px; font-weight: 600; cursor: pointer; transition: background .2s, transform .2s; }
.btn-outline-white:hover { background: rgba(255,255,255,.2); transform: translateY(-2px); }
/* Reference site visual - multicolored circles */
.hero-visual { position: relative; width: 100%; height: 500px; display: flex; align-items: center; justify-content: center; }
.circle-cluster { position: relative; width: 420px; height: 420px; }
.circle-cluster .c { position: absolute; border-radius: 50%; opacity: .85; animation: floatCircle 6s ease-in-out infinite; }
.circle-cluster .c1 { width: 180px; height: 180px; left: 20%; top: 10%; background: linear-gradient(135deg, #3b82f6, #60a5fa); animation-delay: 0s; }
.circle-cluster .c2 { width: 140px; height: 140px; right: 15%; top: 5%; background: linear-gradient(135deg, #22c55e, #4ade80); animation-delay: .5s; }
.circle-cluster .c3 { width: 120px; height: 120px; left: 5%; top: 40%; background: linear-gradient(135deg, #eab308, #fbbf24); animation-delay: 1s; }
.circle-cluster .c4 { width: 160px; height: 160px; right: 5%; top: 35%; background: linear-gradient(135deg, #f97316, #fb923c); animation-delay: 1.5s; }
.circle-cluster .c5 { width: 100px; height: 100px; left: 25%; bottom: 15%; background: linear-gradient(135deg, #ef4444, #f87171); animation-delay: 2s; }
.circle-cluster .c6 { width: 130px; height: 130px; right: 20%; bottom: 10%; background: linear-gradient(135deg, #a855f7, #c084fc); animation-delay: 2.5s; }
.circle-cluster .c7 { width: 90px; height: 90px; left: 45%; top: 30%; background: linear-gradient(135deg, #06b6d4, #22d3ee); animation-delay: 3s; }
.circle-cluster .c8 { width: 70px; height: 70px; left: 10%; bottom: 35%; background: linear-gradient(135deg, #8b5cf6, #a78bfa); animation-delay: 3.5s; }
.circle-cluster .c9 { width: 60px; height: 60px; right: 35%; top: 15%; background: linear-gradient(135deg, #14b8a6, #2dd4bf); animation-delay: 4s; }
@keyframes floatCircle { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-15px) scale(1.03); } }
.hero-signal { position: relative; width: 480px; height: 480px; justify-self: end; }
.signal-ring { position: absolute; inset: 0; margin: auto; border: 1px solid rgba(255,255,255,.21); border-radius: 50%; animation: rotateRing 24s linear infinite; }
.signal-ring:before, .signal-ring:after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.signal-ring:before { top: 13%; left: 14%; }
.signal-ring:after { right: 7%; bottom: 27%; background: var(--yellow); box-shadow: 0 0 18px var(--yellow); }
.ring-b { inset: 58px; animation-duration: 17s; animation-direction: reverse; }
.ring-c { inset: 118px; border-style: dashed; animation-duration: 12s; }
.signal-core { position: absolute; inset: 155px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: rgba(6,21,46,.62); box-shadow: 0 0 70px rgba(20,191,209,.25); backdrop-filter: blur(8px); font-size: 32px; font-weight: 300; }
.signal-core b { color: var(--cyan); font-weight: 900; }
.signal-dot { position: absolute; width: 5px; height: 5px; background: #fff; border-radius: 50%; box-shadow: 0 0 14px #fff; }
.dot-a { left: 18px; top: 46%; }.dot-b { right: 57px; top: 10%; }.dot-c { right: 6px; bottom: 36%; }
@keyframes rotateRing { to { transform: rotate(360deg); } }
.hero-meta { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.15); }
.hero-meta div { min-height: 120px; padding: 25px 34px; border-right: 1px solid rgba(255,255,255,.15); }
.hero-meta div:first-child { padding-left: 0; }.hero-meta div:last-child { border: 0; }
.hero-meta b, .hero-meta span { display: block; }
.hero-meta b { font-size: 19px; }.hero-meta span { margin-top: 5px; color: rgba(255,255,255,.58); font-size: 13px; }
/* Reference site stats cards */
.stats-section { position: relative; z-index: 5; margin-top: -80px; padding-bottom: 60px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat-card { padding: 28px 30px; border-radius: 16px; background: rgba(255,255,255,.08); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.12); transition: transform .3s, background .3s; }
.stat-card:hover { transform: translateY(-5px); background: rgba(255,255,255,.12); }
.stat-card .stat-value { font-size: 36px; font-weight: 900; color: #fff; line-height: 1.2; }
.stat-card .stat-label { margin-top: 8px; font-size: 14px; color: rgba(255,255,255,.7); line-height: 1.6; }
/* Reference site timeline cards */
.timeline-section { padding: 60px 0; }
.timeline-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.timeline-card { position: relative; padding: 24px 24px 24px 32px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); overflow: hidden; transition: transform .3s, background .3s; }
.timeline-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
.timeline-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, #4ade80, #22c55e); border-radius: 4px 0 0 4px; }
.timeline-card .tl-label { font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 8px; }
.timeline-card .tl-date { font-size: 24px; font-weight: 800; color: #fff; }
.timeline-card .tl-location { margin-top: 6px; font-size: 13px; color: rgba(255,255,255,.5); }
/* Reference site category tags */
.category-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.cat-tag { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 25px; font-size: 14px; font-weight: 600; color: #fff; transition: transform .2s, box-shadow .2s; }
.cat-tag:hover { transform: translateY(-2px); }
.cat-tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.cat-tag.blue { background: rgba(59,130,246,.25); border: 1px solid rgba(59,130,246,.4); color: #93c5fd; }
.cat-tag.green { background: rgba(34,197,94,.25); border: 1px solid rgba(34,197,94,.4); color: #86efac; }
.cat-tag.purple { background: rgba(168,85,247,.25); border: 1px solid rgba(168,85,247,.4); color: #d8b4fe; }
.cat-tag.orange { background: rgba(249,115,22,.25); border: 1px solid rgba(249,115,22,.4); color: #fdba74; }
/* Organizer info */
.organizer-info { margin-top: 50px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.1); }
.organizer-info .org-label { color: rgba(255,255,255,.6); font-size: 14px; }
.organizer-info .org-name { color: var(--ref-cyan); font-size: 14px; font-weight: 600; }
/* Pagination dots */
.page-dots { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.page-dots .dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.3); transition: background .3s, transform .3s; cursor: pointer; }
.page-dots .dot.active { background: #fff; transform: scale(1.2); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; }
.intro-grid h2, .section-heading h2, .prize-grid h2, .track-detail-grid h2 { margin: 26px 0 0; font-size: 56px; line-height: 1.18; letter-spacing: 0; }
.intro-grid .lead, .track-detail-grid .lead { margin-top: 0; color: var(--ink); font-size: 22px; line-height: 1.75; font-weight: 600; }
.intro-grid p:not(.lead), .track-detail-grid p:not(.lead) { color: var(--muted); line-height: 1.9; }
.intro-grid .arrow-link { margin-top: 22px; }
.track-band { background: var(--soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 58px; }
.section-heading > p { max-width: 490px; margin: 0 0 8px; color: var(--muted); line-height: 1.85; }
.home-track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.home-track-card { position: relative; min-height: 440px; padding: 28px; overflow: hidden; border: 1px solid #dbe6f5; border-radius: 8px; background: rgba(255,255,255,.86); transition: transform .25s, border-color .25s, box-shadow .25s; }
.home-track-card:before { content: ""; position: absolute; inset: auto 0 0; height: 5px; background: var(--track); }
.home-track-card:hover { transform: translateY(-8px); border-color: var(--track); box-shadow: 0 20px 45px rgba(6,21,46,.12); }
.track-number { color: var(--muted); font-size: 12px; font-weight: 800; }
.track-symbol { height: 190px; display: flex; align-items: center; justify-content: center; color: var(--track); font-size: 106px; line-height: 1; font-weight: 950; opacity: .16; }
.home-track-card h3 { margin: 0; font-size: 27px; line-height: 1.25; }.home-track-card p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.round-arrow { position: absolute; right: 26px; bottom: 25px; display: flex; align-items: center; justify-content: center; width: 39px; height: 39px; border: 1px solid var(--line); border-radius: 50%; color: var(--track); }
.prize-band { overflow: hidden; color: #fff; background: radial-gradient(circle at 18% 48%, rgba(20,191,209,.22), transparent 28%), linear-gradient(110deg, #082e75, #06152e 74%); }
.prize-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 100px; }
.prize-grid > div:last-child { max-width: 570px; }.prize-grid p { color: rgba(255,255,255,.68); line-height: 1.9; }.prize-grid .button { margin-top: 18px; }
.prize-visual { position: relative; min-height: 420px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.prize-visual b { position: relative; z-index: 2; font-size: 160px; line-height: .9; color: transparent; -webkit-text-stroke: 2px #fff; }
.prize-visual small { position: relative; z-index: 2; margin-top: 24px; color: rgba(255,255,255,.74); font-weight: 750; letter-spacing: .12em; text-align: center; }
.prize-aura { position: absolute; width: 360px; height: 360px; border: 1px solid rgba(255,255,255,.23); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.016); }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 76px; }
.timeline > div { position: relative; border-top: 1px solid var(--line); padding: 36px 20px 0 0; }
.timeline i { position: absolute; width: 11px; height: 11px; left: 0; top: -6px; border: 2px solid #aebfd9; border-radius: 50%; background: #fff; }
.timeline .active i { border-color: var(--blue); background: var(--blue); box-shadow: 0 0 0 7px rgba(11,92,255,.1); }
.timeline b { color: var(--blue); font-size: 13px; }.timeline h3 { margin: 12px 0 6px; font-size: 18px; }.timeline p { color: var(--muted); font-size: 13px; }
.news-band { background: var(--soft); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px 24px; }
.news-card { display: block; }
.news-image { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 7px; background: #dfe8f6; }
.news-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.news-card:hover .news-image img { transform: scale(1.045); }
.news-image span { position: absolute; left: 14px; bottom: 14px; padding: 5px 10px; border-radius: 4px; background: rgba(6,21,46,.8); color: #fff; font-size: 11px; backdrop-filter: blur(5px); }
.news-card time { display: block; margin: 20px 0 9px; color: #8998ae; font-size: 12px; font-weight: 700; }
.news-card h2, .news-card h3 { margin: 0; font-size: 22px; line-height: 1.45; transition: color .2s; }.news-card h3 { font-size: 20px; }
.news-card:hover h2, .news-card:hover h3 { color: var(--blue); }
.news-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }.news-card > .arrow-link { margin-top: 9px; }

/* Shared inner pages */
.page-hero { position: relative; min-height: 430px; padding-top: var(--header); overflow: hidden; color: #fff; background: radial-gradient(circle at 80% 32%, rgba(20,191,209,.2), transparent 28%), linear-gradient(120deg, #06245a, #06152e 80%); }
.page-hero-inner { position: relative; z-index: 2; min-height: 354px; display: flex; flex-direction: column; justify-content: center; padding-top: 26px; }
.page-hero h1 { max-width: 1000px; margin: 18px 0 12px; font-size: 72px; line-height: 1.2; font-weight: 950; letter-spacing: 0; }
.page-hero p { max-width: 690px; margin: 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.8; }
.guide-layout { display: grid; grid-template-columns: 220px 1fr; gap: 100px; align-items: start; }
.side-index { position: sticky; top: 110px; display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.side-index b { padding: 0 0 18px 20px; font-size: 13px; }.side-index a { padding: 9px 20px; color: var(--muted); font-size: 13px; }.side-index a:hover { color: var(--blue); }
.guide-content { max-width: 900px; }.guide-section { padding-bottom: 104px; scroll-margin-top: 110px; }.guide-section:last-child { padding-bottom: 0; }
.guide-section h2 { margin: 18px 0 24px; font-size: 43px; line-height: 1.25; }.guide-section > p { max-width: 780px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.pill-list, .tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }.pill-list span, .tag-row span { padding: 7px 13px; border: 1px solid #cbd9ed; border-radius: 999px; color: #365170; font-size: 12px; }
.step-list { border-top: 1px solid var(--line); }.step-list > div { display: grid; grid-template-columns: 70px 250px 1fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); }.step-list b { color: var(--blue); }.step-list h3, .step-list p { margin: 0; }.step-list h3 { font-size: 18px; }.step-list p { color: var(--muted); font-size: 14px; }
.requirement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 28px; }.requirement-grid > div { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: 7px; background: var(--soft); }.requirement-grid b { color: var(--blue); font-size: 13px; }.requirement-grid h3 { margin: 34px 0 9px; font-size: 20px; }.requirement-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.score-list { border-top: 1px solid var(--line); }.score-list > div { display: grid; grid-template-columns: 1fr 70px 230px; gap: 22px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); }.score-list span { height: 7px; border-radius: 9px; background: #edf2f9; overflow: hidden; }.score-list i { display: block; height: 100%; border-radius: 9px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }.score-list b { color: var(--blue); }.score-list p { margin: 0; }
.award-table { display: grid; grid-template-columns: 1.5fr 1fr; gap: 12px; }.award-table > div { min-height: 130px; display: flex; flex-direction: column; justify-content: center; padding: 25px 28px; border: 1px solid var(--line); border-radius: 7px; }.award-table .grand { grid-row: span 3; color: #fff; background: linear-gradient(145deg, var(--blue-2), var(--navy)); }.award-table span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; }.award-table .grand span { color: var(--cyan); }.award-table b { margin-top: 8px; font-size: 23px; }.award-table .grand b { font-size: 45px; }.award-table p { color: rgba(255,255,255,.62); }
.faq-band { background: var(--soft); min-height: 650px; }.faq-tools { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-bottom: 54px; }.faq-tools > label { width: 380px; display: flex; align-items: center; padding: 0 17px; border: 1px solid #c8d4e6; border-radius: 6px; background: #fff; }.faq-tools input { width: 100%; height: 48px; padding-left: 10px; border: 0; outline: 0; }.search-symbol { width: 14px; height: 14px; border: 2px solid var(--muted); border-radius: 50%; position: relative; }.search-symbol:after { content: ""; position: absolute; width: 6px; height: 2px; right: -5px; bottom: -2px; background: var(--muted); transform: rotate(45deg); }
.filter-tabs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }.filter-tabs button { min-height: 40px; padding: 0 16px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); font-size: 13px; cursor: pointer; }.filter-tabs button.active { color: #fff; background: var(--blue); }
.faq-list { max-width: 920px; margin: 0 auto; border-top: 1px solid var(--line); }.faq-list article { border-bottom: 1px solid var(--line); }.faq-list article[hidden] { display: none; }.faq-list article > button { width: 100%; min-height: 84px; display: flex; align-items: center; justify-content: space-between; padding: 0; border: 0; background: transparent; font-size: 18px; font-weight: 700; text-align: left; cursor: pointer; }.faq-list article > button i { display: flex; align-items: center; justify-content: center; width: 31px; height: 31px; border: 1px solid #c8d4e6; border-radius: 50%; color: var(--blue); font-style: normal; font-size: 20px; transition: transform .2s; }.faq-list article.open > button i { transform: rotate(45deg); }.faq-list article > div { max-height: 0; overflow: hidden; transition: max-height .3s; }.faq-list article.open > div { max-height: 200px; }.faq-list article p { max-width: 800px; margin: 0 0 28px; color: var(--muted); line-height: 1.85; }.empty-state { display: none; padding: 60px; color: var(--muted); text-align: center; }.empty-state.visible { display: block; }
.partner-page { background: var(--soft); }.partner-group { margin-bottom: 84px; }.partner-group:last-child { margin-bottom: 0; }.logo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 26px; }.logo-grid-4 { grid-template-columns: repeat(4, 1fr); }.logo-tile { min-height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; border: 1px solid var(--line); border-radius: 6px; background: #fff; text-align: center; }.logo-tile b { font-size: 20px; font-weight: 900; }.logo-tile span { margin-top: 9px; color: var(--muted); font-size: 12px; }.logo-feature { min-height: 210px; margin-top: 26px; }.logo-feature b { color: var(--blue); font-size: 36px; }
.guest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px 24px; }.guest-photo { aspect-ratio: 4 / 5; margin-bottom: 20px; border-radius: 6px; background-size: cover; background-position: center; filter: saturate(.72); }.guest-1 { background-image: url('https://images.unsplash.com/photo-1560250097-0b93528c311a?auto=format&fit=crop&w=800&q=85'); }.guest-2 { background-image: url('https://images.unsplash.com/photo-1573496359142-b8d87734a5a2?auto=format&fit=crop&w=800&q=85'); }.guest-3 { background-image: url('https://images.unsplash.com/photo-1564564321837-a57b7070ac4f?auto=format&fit=crop&w=800&q=85'); }.guest-4 { background-image: url('https://images.unsplash.com/photo-1580489944761-15a19d654956?auto=format&fit=crop&w=800&q=85'); }.guest-5 { background-image: url('https://images.unsplash.com/photo-1500648767791-00dcc994a43e?auto=format&fit=crop&w=800&q=85'); }.guest-6 { background-image: url('https://images.unsplash.com/photo-1531123897727-8f129e1688ce?auto=format&fit=crop&w=800&q=85'); }.guest-grid article > span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .15em; }.guest-grid h3 { margin: 5px 0 1px; font-size: 22px; }.guest-grid p { margin: 0; color: var(--muted); font-size: 14px; }.guest-note { margin: 65px 0 0; color: var(--muted); text-align: center; }
.media-feature { display: grid; grid-template-columns: 1fr 1fr; min-height: 490px; overflow: hidden; border-radius: 8px; background: var(--soft); }.media-feature > div:first-child { padding: 68px; }.media-feature h2 { margin: 20px 0; font-size: 51px; line-height: 1.18; }.media-feature p { max-width: 530px; color: var(--muted); }.media-feature .button { margin-top: 20px; }.media-preview { position: relative; overflow: hidden; background: linear-gradient(140deg, #0b5cff, #14bfd1); }.preview-sheet { position: absolute; width: 290px; height: 380px; padding: 30px; color: #fff; box-shadow: 0 24px 60px rgba(6,21,46,.25); }.preview-sheet span, .preview-sheet small { display: block; font-size: 11px; font-weight: 800; letter-spacing: .18em; }.preview-sheet b { display: block; margin-top: 90px; font-size: 32px; line-height: 1.1; }.sheet-one { left: 56px; top: 55px; transform: rotate(-8deg); background: var(--navy); }.sheet-two { right: 35px; bottom: -38px; transform: rotate(8deg); background: var(--blue-2); }.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }.download-grid article { display: flex; align-items: center; gap: 18px; padding: 23px; border: 1px solid var(--line); border-radius: 6px; }.download-grid article > div { flex: 1; }.file-icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 55px; border-radius: 4px; background: var(--soft); color: var(--blue); font-size: 11px; font-weight: 900; }.download-grid h3 { margin: 0; font-size: 15px; }.download-grid p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }.media-contact { margin-top: 100px; padding: 75px; color: #fff; border-radius: 8px; background: var(--navy); }.media-contact h2 { margin: 18px 0 8px; font-size: 42px; }.media-contact p { color: rgba(255,255,255,.6); }.media-contact a { color: var(--cyan); font-weight: 750; }
.legal-layout { display: grid; grid-template-columns: 230px 1fr; gap: 110px; }.legal-layout aside { display: flex; flex-direction: column; gap: 12px; }.legal-layout aside .section-index { margin-bottom: 16px; }.legal-layout aside a { color: var(--muted); font-size: 14px; }.legal-layout aside a.active { color: var(--blue); font-weight: 750; }.prose { max-width: 810px; }.prose h2 { margin: 50px 0 14px; font-size: 25px; }.prose h2:first-child { margin-top: 0; }.prose p, .prose li { color: #53657e; line-height: 2; }.prose blockquote { margin: 44px 0; padding: 26px 30px; border-left: 4px solid var(--blue); background: var(--soft); color: var(--ink); font-size: 21px; font-weight: 700; }

/* Track pages */
.track-detail-hero { position: relative; min-height: 590px; padding-top: var(--header); overflow: hidden; color: #fff; background: radial-gradient(circle at 78% 44%, color-mix(in srgb, var(--track) 30%, transparent), transparent 28%), linear-gradient(120deg, #06152e, #08245a); }
.track-detail-head { position: relative; z-index: 2; min-height: 514px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; }.track-detail-head > div:first-child { max-width: 710px; }.track-detail-head h1 { margin: 18px 0 0; font-size: 82px; line-height: 1.08; font-weight: 950; }.track-detail-head .track-en { margin: 0 0 22px; color: var(--track); font-size: 25px; font-weight: 700; }.track-detail-head p:not(.track-en) { color: rgba(255,255,255,.68); font-size: 17px; }.track-detail-head .button { margin-top: 22px; }.track-giant-number { justify-self: end; color: transparent; -webkit-text-stroke: 2px color-mix(in srgb, var(--track) 70%, white); font-size: 300px; line-height: 1; font-weight: 950; opacity: .5; }
.track-switcher { position: sticky; z-index: 20; top: var(--header); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(12px); }.track-switcher .site-container { display: grid; grid-template-columns: repeat(4, 1fr); }.track-switcher a { display: flex; align-items: center; gap: 12px; min-height: 74px; padding: 0 20px; border-right: 1px solid var(--line); color: var(--muted); font-size: 14px; }.track-switcher a:first-child { border-left: 1px solid var(--line); }.track-switcher a b { color: var(--track); font-size: 12px; }.track-switcher a.active { box-shadow: inset 0 -4px var(--track); color: var(--ink); font-weight: 750; }
.track-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }.direction-band { background: var(--soft); }.direction-band h2 { margin: 20px 0 48px; font-size: 48px; }.direction-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }.direction-grid article { min-height: 260px; padding: 28px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }.direction-grid b { color: var(--blue); font-size: 12px; }.direction-grid h3 { margin: 70px 0 12px; font-size: 19px; }.direction-grid p { color: var(--muted); font-size: 13px; }.criteria-row { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.criteria-row article { min-height: 160px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.criteria-row span { color: var(--blue); font-size: 27px; font-weight: 900; }.criteria-row h3 { margin: 45px 0 0; font-size: 16px; }.track-index { background: var(--soft); }.track-index-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }.track-index-card { position: relative; min-height: 560px; padding: 40px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #fff; transition: transform .25s, box-shadow .25s; }.track-index-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(6,21,46,.11); }.track-card-head { display: flex; justify-content: space-between; color: var(--track); font-size: 13px; }.track-card-head > span { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; font-size: 20px; }.track-card-visual { position: absolute; right: -20px; top: 65px; width: 285px; height: 285px; display: flex; align-items: center; justify-content: center; }.track-card-visual i { position: absolute; inset: 0; border: 1px solid color-mix(in srgb, var(--track) 38%, transparent); border-radius: 50%; box-shadow: inset 0 0 60px color-mix(in srgb, var(--track) 12%, transparent); }.track-card-visual strong { color: var(--track); font-size: 108px; opacity: .24; }.track-label { display: block; margin-top: 250px; color: var(--track); font-size: 11px; font-weight: 800; letter-spacing: .14em; }.track-index-card h2 { margin: 10px 0 0; font-size: 38px; }.track-index-card h3 { margin: 0 0 14px; color: var(--muted); font-size: 16px; }.track-index-card > p { max-width: 520px; color: var(--muted); font-size: 14px; }.track-index-card .tag-row { margin-top: 20px; }

/* News and article */
.news-filters { margin-bottom: 50px; }.news-page .news-grid { grid-template-columns: repeat(3, 1fr); }.news-card[hidden] { display: none; }
.article-header { padding: 160px 0 80px; background: var(--soft); }.article-head-inner { max-width: 980px; }.back-link { display: block; margin-bottom: 44px; color: var(--muted); font-size: 13px; }.article-category { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .16em; }.article-header h1 { margin: 18px 0; font-size: 54px; line-height: 1.25; }.article-header p { max-width: 760px; color: var(--muted); font-size: 18px; }.article-header time { color: #8b99ad; font-size: 12px; }.article-body { max-width: 980px; padding-top: 70px; padding-bottom: 110px; }.article-body figure { margin: 0 0 65px; aspect-ratio: 16/9; overflow: hidden; border-radius: 8px; }.article-body figure img { width: 100%; height: 100%; object-fit: cover; }.article-body .prose { margin: 0 auto; }.article-lead { color: var(--ink)!important; font-size: 20px; font-weight: 600; }.article-action { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 60px; padding: 30px; border: 1px solid var(--line); border-radius: 7px; background: var(--soft); }.article-action h3 { margin: 0; }

/* Authentication and dashboard */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; background: var(--soft); }.auth-page + .site-cta { display: none; }.auth-visual { position: relative; overflow: hidden; color: #fff; background: radial-gradient(circle at 20% 80%, rgba(11,92,255,.5), transparent 34%), linear-gradient(145deg, #06152e, #08245a); }.auth-visual-inner { position: relative; z-index: 2; min-height: 100vh; display: flex; flex-direction: column; justify-content: space-between; padding: 42px 70px; }.auth-visual h1 { margin: 22px 0; font-size: 56px; line-height: 1.15; }.auth-visual p { max-width: 520px; color: rgba(255,255,255,.63); font-size: 17px; }.auth-visual small { color: rgba(255,255,255,.42); font-size: 10px; letter-spacing: .14em; }.auth-form-side { display: flex; align-items: center; justify-content: center; padding: 120px 50px 60px; }.auth-card { width: min(440px, 100%); }.auth-card h2 { margin: 15px 0 7px; font-size: 36px; }.form-intro { margin: 0 0 30px; color: var(--muted); }.auth-card form { display: flex; flex-direction: column; gap: 18px; }.auth-card label, .workflow-form label { display: flex; flex-direction: column; gap: 7px; color: #263a62; font-size: 13px; font-weight: 700; }.auth-card input, .workflow-form input, .workflow-form select, .workflow-form textarea, .invite-form input, .invite-form select { width: 100%; min-height: 48px; padding: 11px 14px; border: 1px solid #c8d4e6; border-radius: 5px; background: #fff; color: var(--ink); outline: 0; }.auth-card input:focus, .workflow-form input:focus, .workflow-form select:focus, .workflow-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,92,255,.08); }.input-password, .input-action { display: flex; position: relative; }.input-password button, .input-action button { position: absolute; right: 5px; top: 5px; height: 38px; padding: 0 11px; border: 0; background: transparent; color: var(--blue); font-size: 11px; font-weight: 750; cursor: pointer; }.input-action input { padding-right: 110px; }.form-row { display: flex; align-items: center; justify-content: space-between; }.check-label { display: block!important; color: var(--muted)!important; font-weight: 500!important; line-height: 1.65; }.check-label input { width: auto!important; min-height: auto!important; margin: 0 5px 0 0; accent-color: var(--blue); }.form-row a, .check-label a, .switch-auth a { color: var(--blue); }.switch-auth { margin-top: 22px; color: var(--muted); font-size: 13px; text-align: center; }.verify-icon { width: 62px; height: 62px; display: flex; align-items: center; justify-content: center; margin-bottom: 30px; border-radius: 50%; background: rgba(34,184,90,.12); color: var(--green); font-size: 25px; }.auth-card > .back-link { margin-bottom: 35px; }
.dashboard-hero { min-height: 320px; display: flex; align-items: center; padding-top: var(--header); color: #fff; background: radial-gradient(circle at 80% 45%, rgba(20,191,209,.18), transparent 28%), linear-gradient(120deg, #06245a, #06152e); }.dashboard-hero h1 { margin: 15px 0 0; font-size: 50px; }.dashboard-page { padding: 60px 0 110px; background: var(--soft); }.dashboard-layout { display: grid; grid-template-columns: 230px 1fr; gap: 36px; align-items: start; }.dashboard-nav { position: sticky; top: 105px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; }.dashboard-nav a { min-height: 58px; display: flex; align-items: center; gap: 14px; padding: 0 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }.dashboard-nav a:last-child { border-bottom: 0; }.dashboard-nav a span { color: #9aacbf; font-size: 10px; }.dashboard-nav a.active { box-shadow: inset 4px 0 var(--blue); color: var(--blue); font-weight: 750; background: #f8fbff; }.dashboard-main { min-width: 0; }.dashboard-welcome, .progress-card, .dashboard-grid article, .workflow-form, .team-list, .invite-form, .notice-card, .claim-preview { border: 1px solid var(--line); border-radius: 7px; background: #fff; }.dashboard-welcome { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 38px; }.dashboard-welcome h2 { margin: 9px 0 5px; font-size: 28px; }.dashboard-welcome p { margin: 0; color: var(--muted); }.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--green); }.progress-card { margin-top: 18px; padding: 32px; }.progress-card > div:first-child { display: flex; justify-content: space-between; }.progress-card > div b { color: var(--blue); }.progress-bar { height: 7px; margin: 14px 0 30px; overflow: hidden; border-radius: 7px; background: #edf2f9; }.progress-bar i { display: block; height: 100%; border-radius: 7px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }.progress-card ol { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }.progress-card li { display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-size: 12px; }.progress-card li i { width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; border: 1px solid #c8d4e6; border-radius: 50%; font-style: normal; }.progress-card li.done i { border-color: var(--green); background: var(--green); color: #fff; }.progress-card li.current { color: var(--blue); }.progress-card li.current i { border-color: var(--blue); color: var(--blue); }.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }.dashboard-grid article { padding: 28px; }.dashboard-grid article > span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .15em; }.dashboard-grid h3 { margin: 15px 0 3px; }.dashboard-grid p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }.dashboard-grid a { color: var(--blue); font-size: 13px; font-weight: 750; }
.form-heading { margin-bottom: 28px; }.form-heading h2 { margin: 15px 0 5px; font-size: 32px; }.form-heading p { margin: 0; color: var(--muted); }.workflow-form { padding: 36px; }.workflow-form fieldset { margin: 0 0 40px; padding: 0 0 36px; border: 0; border-bottom: 1px solid var(--line); }.workflow-form legend { margin-bottom: 24px; font-size: 18px; font-weight: 800; }.workflow-form label { margin-bottom: 20px; }.workflow-form textarea { resize: vertical; }.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }.form-actions { display: flex; justify-content: flex-end; gap: 10px; }.upload-zone { position: relative; min-height: 130px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; border: 1px dashed #aebfd9; border-radius: 6px; background: var(--soft); color: var(--muted); cursor: pointer; }.upload-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }.upload-zone b { color: var(--blue); font-size: 27px; }.upload-zone span { font-weight: 500; }.team-list { overflow: hidden; }.team-member { display: flex; align-items: center; gap: 15px; padding: 20px 24px; border-bottom: 1px solid var(--line); }.team-member:last-child { border-bottom: 0; }.member-avatar { width: 43px; height: 43px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--blue); color: #fff; font-size: 12px; font-weight: 800; }.team-member > div { flex: 1; }.team-member p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }.role-tag { padding: 4px 9px; border-radius: 4px; background: #edf5ff; color: var(--blue); font-size: 11px; }.pending .role-tag { background: #fff7df; color: #a46a00; }.invite-form { margin-top: 18px; padding: 30px; }.invite-form h3 { margin-top: 0; }.invite-form > div { display: grid; grid-template-columns: 1fr 160px auto; gap: 10px; }.notice-card { display: flex; gap: 18px; padding: 28px; border-color: #f0daa0; background: #fffaf0; }.notice-card > span { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; flex: 0 0 auto; border-radius: 50%; background: var(--yellow); font-weight: 900; }.notice-card p { margin: 5px 0 0; color: #736440; }.claim-preview { margin-top: 18px; padding: 30px; }.claim-preview h3 { margin-top: 0; }.claim-preview li { margin: 8px 0; color: var(--muted); }

/* CTA, footer and overlays */
.site-cta { color: #fff; background: linear-gradient(110deg, #0b5cff, #123f86 70%, #06152e); }.cta-inner { min-height: 360px; display: flex; align-items: center; justify-content: space-between; gap: 80px; }.site-cta .eyebrow { color: rgba(255,255,255,.62); }.site-cta h2 { margin: 20px 0 0; font-size: 54px; line-height: 1.17; }.cta-actions { display: flex; flex-direction: column; align-items: start; gap: 18px; }.plain-button, .footer-button { padding: 0; border: 0; background: transparent; color: rgba(255,255,255,.7); cursor: pointer; }.plain-button { border-bottom: 1px solid rgba(255,255,255,.35); font-size: 13px; }
.site-footer { padding: 76px 0 25px; color: #fff; background: radial-gradient(circle at 100% 28%, rgba(11,92,255,.55), transparent 230px), linear-gradient(110deg, #082e75, #06152e 76%); }.footer-grid { display: grid; grid-template-columns: 1.6fr .6fr .6fr 1fr; gap: 55px; }.footer-brand p { max-width: 300px; color: rgba(255,255,255,.5); font-size: 13px; }.footer-grid h3 { margin: 0 0 19px; color: rgba(255,255,255,.44); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: start; gap: 10px; }.footer-grid a, .footer-button { color: rgba(255,255,255,.7); font-size: 13px; }.footer-grid a:hover, .footer-button:hover { color: #fff; }.footer-bottom { display: flex; justify-content: space-between; margin-top: 65px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.38); font-size: 11px; }.footer-bottom div { display: flex; gap: 20px; }
.modal { position: fixed; z-index: 200; inset: 0; visibility: hidden; opacity: 0; transition: opacity .2s, visibility .2s; }.modal.open { visibility: visible; opacity: 1; }.modal-backdrop { position: absolute; inset: 0; background: rgba(6,21,46,.68); backdrop-filter: blur(5px); }.modal-panel { position: absolute; left: 50%; top: 50%; width: min(460px, calc(100% - 32px)); transform: translate(-50%, -47%); padding: 42px; border-radius: 8px; background: #fff; box-shadow: 0 30px 90px rgba(6,21,46,.3); text-align: center; transition: transform .2s; }.modal.open .modal-panel { transform: translate(-50%, -50%); }.modal-close { position: absolute; right: 14px; top: 11px; width: 36px; height: 36px; border: 0; background: transparent; color: var(--muted); font-size: 26px; cursor: pointer; }.qr-panel h2 { margin: 15px 0 24px; font-size: 27px; }.qr-placeholder { width: 210px; height: 210px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; margin: 0 auto; border: 12px solid #fff; outline: 1px solid var(--line); background: repeating-linear-gradient(45deg, var(--ink) 0 4px, #fff 4px 8px); }.qr-placeholder .brand-mark { padding: 10px; background: #fff; }.qr-placeholder b, .qr-placeholder small { padding: 2px 8px; background: #fff; }.qr-placeholder p { color: var(--muted); }.cookie-bar { position: fixed; z-index: 150; left: 24px; right: 24px; bottom: 20px; min-height: 68px; display: none; align-items: center; justify-content: space-between; gap: 30px; padding: 12px 16px 12px 24px; border: 1px solid rgba(216,230,251,.95); border-radius: 7px; background: rgba(255,255,255,.96); box-shadow: 0 12px 40px rgba(6,21,46,.18); backdrop-filter: blur(12px); }.cookie-bar.visible { display: flex; }.cookie-bar p { margin: 0; color: var(--muted); font-size: 12px; }.cookie-bar a { color: var(--blue); text-decoration: underline; }
.toast { position: fixed; z-index: 300; left: 50%; bottom: 32px; transform: translate(-50%, 15px); padding: 12px 18px; border-radius: 5px; background: var(--navy); color: #fff; box-shadow: 0 12px 30px rgba(6,21,46,.24); font-size: 13px; opacity: 0; transition: opacity .2s, transform .2s; }.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1100px) {
    .site-container { width: min(var(--container), calc(100% - 48px)); }
    .desktop-nav { gap: 18px; }.desktop-nav a { font-size: 12px; }.header-actions { gap: 10px; }.hero-copy h1 { font-size: 67px; }.hero-signal { width: 390px; height: 390px; }.signal-core { inset: 125px; }.track-giant-number { font-size: 240px; }.logo-grid-4 { grid-template-columns: repeat(3, 1fr); }
    .hero-title-ref .goai-text { font-size: 56px; }.hero-title-ref .main-title { font-size: 42px; }
    .circle-cluster { width: 350px; height: 350px; }
    .stats-grid { gap: 15px; }.stat-card { padding: 22px 24px; }.stat-card .stat-value { font-size: 30px; }
}
@media (max-width: 980px) {
    .desktop-nav, .header-actions > .community-trigger, .header-actions > .text-link, .header-actions > .button, .header-actions > .lang-pill, .header-actions > .auth-pill, .header-actions > .btn-register { display: none; }.menu-trigger { display: flex; }.mobile-menu { position: absolute; top: 100%; left: 0; width: 100%; display: flex; flex-direction: column; padding: 18px 24px 25px; background: #06152e; border-top: 1px solid rgba(255,255,255,.12); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s; }.site-header.menu-open .mobile-menu { opacity: 1; visibility: visible; transform: translateY(0); }.mobile-menu > a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.8); }.mobile-menu > div { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; }.mobile-menu > div > a:first-child { color: #fff; }.mobile-menu .button { min-height: 42px; padding: 0 18px; }
    .home-hero { min-height: auto; padding-bottom: 60px; }.hero-content { grid-template-columns: 1fr; padding-top: 60px; padding-bottom: 40px; min-height: auto; }.hero-visual { display: none; }.hero-signal { position: absolute; right: -120px; top: 125px; opacity: .55; }.hero-copy { z-index: 2; max-width: 100%; }.hero-meta { margin-top: 30px; }.home-track-grid { grid-template-columns: 1fr 1fr; }.prize-grid { gap: 30px; }.direction-grid { grid-template-columns: 1fr 1fr; }.track-detail-head { grid-template-columns: 1fr; }.track-giant-number { position: absolute; right: -50px; opacity: .25; }.guest-grid { grid-template-columns: 1fr 1fr; }.media-feature { grid-template-columns: 1fr; }.media-preview { min-height: 430px; }.download-grid { grid-template-columns: 1fr; }.footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 30px; }
    .stats-section { margin-top: 0; padding: 40px 0; }.stats-grid { grid-template-columns: 1fr; gap: 15px; }
    .timeline-cards { grid-template-columns: 1fr; gap: 15px; }
    .hero-title-ref .goai-text { font-size: 48px; }.hero-title-ref .main-title { font-size: 36px; }
}
@media (max-width: 760px) {
    :root { --header: 64px; }.site-container { width: calc(100% - 32px); }.section-pad { padding: 74px 0; }.header-inner { gap: 16px; }.brand-word { font-size: 22px; }.header-actions { margin-left: auto; }.home-hero { min-height: auto; padding-bottom: 40px; }.hero-content { min-height: auto; padding-top: 40px; padding-bottom: 30px; align-items: flex-start; }.hero-copy h1 { margin-top: 20px; font-size: 49px; line-height: 1.08; }.hero-copy p { font-size: 15px; line-height: 1.75; }.hero-actions { flex-wrap: wrap; margin-top: 28px; }.hero-actions .button { min-height: 46px; padding: 0 18px; }.hero-signal { width: 300px; height: 300px; top: 200px; right: -145px; opacity: .4; }.signal-core { inset: 100px; font-size: 20px; }.hero-meta { grid-template-columns: 1fr; margin-top: 0; }.hero-meta div { min-height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }.hero-meta div:last-child { border-bottom: 0; }.hero-meta span { margin: 0; }
    .hero-title-ref .goai-text { font-size: 40px; }.hero-title-ref .main-title { font-size: 30px; }
    .hero-desc { font-size: 14px; }
    .btn-gradient, .btn-outline-white { padding: 12px 24px; font-size: 14px; }
    .stats-grid { grid-template-columns: 1fr; }.stat-card .stat-value { font-size: 28px; }
    .timeline-cards { grid-template-columns: 1fr; }
    .category-tags { gap: 10px; }.cat-tag { padding: 8px 16px; font-size: 13px; }
    .intro-grid, .prize-grid, .track-detail-grid { grid-template-columns: 1fr; gap: 45px; }.intro-grid h2, .section-heading h2, .prize-grid h2, .track-detail-grid h2 { font-size: 39px; }.intro-grid .lead, .track-detail-grid .lead { font-size: 18px; }.section-heading { display: block; margin-bottom: 36px; }.section-heading > p { margin-top: 25px; }.home-track-grid { grid-template-columns: 1fr; }.home-track-card { min-height: 310px; }.track-symbol { height: 115px; font-size: 82px; }.prize-visual { min-height: 300px; }.prize-visual b { font-size: 110px; }.prize-aura { width: 260px; height: 260px; }.timeline { grid-template-columns: 1fr; margin-top: 45px; }.timeline > div { min-height: 105px; margin-left: 5px; padding: 0 0 26px 35px; border-top: 0; border-left: 1px solid var(--line); }.timeline i { left: -6px; top: 3px; }.timeline h3 { margin-top: 4px; }.news-grid, .news-page .news-grid { grid-template-columns: 1fr; gap: 40px; }
    .page-hero { min-height: 360px; }.page-hero-inner { min-height: 296px; }.page-hero h1 { font-size: 44px; line-height: 1.18; }.page-hero p { font-size: 15px; }.guide-layout { grid-template-columns: 1fr; gap: 35px; }.side-index { position: static; flex-direction: row; overflow-x: auto; border-left: 0; border-bottom: 1px solid var(--line); }.side-index b { display: none; }.side-index a { padding: 10px 14px; white-space: nowrap; }.guide-section { padding-bottom: 70px; }.guide-section h2 { font-size: 34px; }.step-list > div { grid-template-columns: 40px 1fr; }.step-list p { grid-column: 2; }.requirement-grid { grid-template-columns: 1fr; }.score-list > div { grid-template-columns: 1fr 55px; }.score-list p { grid-column: 1 / -1; }.award-table { grid-template-columns: 1fr; }.award-table .grand { grid-row: auto; }.faq-tools { align-items: stretch; flex-direction: column; }.faq-tools > label { width: 100%; }.filter-tabs { overflow-x: auto; flex-wrap: nowrap; }.filter-tabs button { flex: 0 0 auto; }.faq-list article > button { font-size: 16px; }.logo-grid, .logo-grid-4 { grid-template-columns: 1fr 1fr; }.guest-grid { gap: 40px 14px; }.guest-grid h3 { font-size: 18px; }.media-feature > div:first-child { padding: 35px 24px; }.media-feature h2 { font-size: 38px; }.media-preview { min-height: 350px; }.preview-sheet { width: 230px; height: 310px; }.sheet-one { left: 25px; }.sheet-two { right: 10px; }.media-contact { margin-top: 60px; padding: 38px 24px; }.legal-layout { grid-template-columns: 1fr; gap: 40px; }.legal-layout aside { flex-direction: row; flex-wrap: wrap; }.legal-layout aside .section-index { width: 100%; }
    .track-detail-hero { min-height: 520px; }.track-detail-head { min-height: 456px; }.track-detail-head h1 { font-size: 52px; }.track-detail-head .track-en { font-size: 20px; }.track-giant-number { right: -25px; bottom: 30px; font-size: 160px; }.track-switcher { overflow-x: auto; }.track-switcher .site-container { width: max-content; grid-template-columns: repeat(4, 180px); }.direction-grid { grid-template-columns: 1fr; }.direction-grid article { min-height: 210px; }.direction-grid h3 { margin-top: 45px; }.criteria-row { grid-template-columns: 1fr 1fr; }.track-index-grid { grid-template-columns: 1fr; }.track-index-card { min-height: 510px; padding: 28px; }.track-card-visual { width: 220px; height: 220px; }.track-label { margin-top: 220px; }.article-header { padding: 120px 0 60px; }.article-header h1 { font-size: 36px; }.article-body { padding-top: 40px; padding-bottom: 75px; }.article-body figure { margin-bottom: 40px; }.article-action { align-items: start; flex-direction: column; }
    .auth-page { grid-template-columns: 1fr; }.auth-visual { min-height: 330px; }.auth-visual-inner { min-height: 330px; padding: 28px 24px; }.auth-visual h1 { font-size: 38px; }.auth-visual p, .auth-visual small { display: none; }.auth-form-side { padding: 50px 24px 70px; }.auth-card h2 { font-size: 31px; }.dashboard-hero { min-height: 250px; }.dashboard-hero h1 { font-size: 37px; }.dashboard-page { padding-top: 30px; }.dashboard-layout { grid-template-columns: 1fr; }.dashboard-nav { position: static; flex-direction: row; overflow-x: auto; }.dashboard-nav a { flex: 0 0 auto; min-width: 135px; border-right: 1px solid var(--line); border-bottom: 0; }.dashboard-nav a.active { box-shadow: inset 0 -4px var(--blue); }.dashboard-welcome { align-items: flex-start; flex-direction: column; padding: 26px; }.progress-card ol { grid-template-columns: 1fr 1fr; gap: 24px; }.dashboard-grid { grid-template-columns: 1fr; }.workflow-form { padding: 25px 18px; }.form-grid { grid-template-columns: 1fr; }.invite-form > div { grid-template-columns: 1fr; }.form-actions { flex-direction: column-reverse; }.form-actions .button { width: 100%; }
    .cta-inner { min-height: 380px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 35px; }.site-cta h2 { font-size: 39px; }.footer-grid { grid-template-columns: 1fr 1fr; }.footer-brand { grid-column: 1/-1; }.footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }.cookie-bar { left: 12px; right: 12px; bottom: 12px; align-items: stretch; flex-direction: column; gap: 10px; }.cookie-bar .button { align-self: flex-end; }.modal-panel { padding: 35px 20px; }
}
@media (max-width: 420px) {
    .hero-copy h1 { font-size: 42px; }.hero-kicker { font-size: 10px; letter-spacing: .14em; }.hero-actions { flex-direction: column; align-items: stretch; }.page-hero h1 { font-size: 39px; }.logo-grid, .logo-grid-4 { grid-template-columns: 1fr; }.guest-grid { grid-template-columns: 1fr; }.criteria-row { grid-template-columns: 1fr; }.track-switcher .site-container { grid-template-columns: repeat(4, 160px); }.article-header h1 { font-size: 32px; }.footer-grid { grid-template-columns: 1fr; }.footer-brand { grid-column: auto; }
}

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