:root{--navy:#111a32;--navy-2:#182544;--ink:#172039;--muted:#6f7a90;--paper:#f3f5f8;--line:#d8deea;--gold:#f4bd4f;--cyan:#54d4e8;--red:#d84755;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.6}.page-width{width:min(var(--max),calc(100% - 80px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(17,26,50,.96);color:#fff;border-bottom:1px solid #ffffff1c;backdrop-filter:blur(12px)}.nav-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--gold);color:var(--gold);font-size:23px;font-weight:700}.brand strong{display:block;font-size:18px;letter-spacing:.14em}.brand small{display:block;color:#96a2be;font:10px Arial;letter-spacing:.2em}.site-header nav{display:flex;align-items:center;gap:29px}.site-header nav>a{color:#d7deee;text-decoration:none;font-size:13px;transition:color .2s}.site-header nav>a:hover,.site-header nav>a:focus-visible{color:#fff}.nav-download{padding:11px 17px;background:var(--gold);color:var(--navy)!important;font-weight:700}.nav-download span,.primary-cta span,.ghost-cta span,.text-link span,.more-link span{margin-left:8px}.menu-toggle{display:none;min-height:44px;padding:0 13px;border:1px solid #697593;background:transparent;color:#fff}
.hero-official{position:relative;min-height:min(720px,calc(100vh - 78px));overflow:hidden;background:var(--navy)}.hero-official>img{display:block;width:100%;height:100%;min-height:min(720px,calc(100vh - 78px));object-fit:cover;object-position:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#111a32e8 0%,#111a3299 34%,#111a321c 68%,#111a3238 100%)}.hero-copy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding-top:42px;color:#fff}.hero-kicker{display:flex;align-items:center;gap:10px;margin:0 0 16px;color:var(--gold);font:700 13px Arial,"Microsoft YaHei";letter-spacing:.18em}.hero-kicker span{display:block;width:34px;height:2px;background:var(--gold)}.hero-copy h1{max-width:650px;margin:0;font-size:clamp(70px,10vw,148px);line-height:.88;letter-spacing:.12em;text-shadow:0 8px 36px #07102299}.hero-lead{margin:26px 0 30px;color:#e4e9f3;font-size:18px;letter-spacing:.08em}.hero-actions{display:flex;align-items:center;gap:14px}.primary-cta,.ghost-cta{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;transition:transform .2s,background .2s}.primary-cta{padding:15px 23px;background:var(--gold);color:var(--navy);box-shadow:0 10px 22px #080e1e55}.primary-cta:hover,.primary-cta:focus-visible{transform:translateY(-2px);background:#ffd36e}.ghost-cta{padding:14px 21px;border:1px solid #ffffff99;color:#fff}.ghost-cta:hover,.ghost-cta:focus-visible{background:#ffffff1c}.season-stamp{position:absolute;right:max(40px,calc((100% - var(--max))/2));bottom:50px;display:flex;align-items:center;gap:12px;color:#fff}.season-stamp b{font:700 74px/.8 Arial;color:var(--cyan);text-shadow:0 0 28px #54d4e855}.season-stamp span{padding-left:12px;border-left:1px solid #ffffff80;font:11px/1.5 Arial;letter-spacing:.18em}.hero-scroll{position:absolute;right:28px;top:50%;display:flex;align-items:center;gap:10px;transform:rotate(90deg) translateX(50%);transform-origin:right center;color:#d4dced;font:10px Arial;letter-spacing:.2em}.hero-scroll span{display:block;width:44px;height:1px;background:var(--gold)}
.news-bar{background:#fff;border-bottom:1px solid var(--line)}.news-inner{display:grid;grid-template-columns:180px 1fr auto;align-items:center;gap:30px;min-height:104px}.news-label{display:flex;align-items:baseline;gap:13px}.news-label span{color:var(--red);font:700 10px Arial;letter-spacing:.2em}.news-label h2{margin:0;font-size:18px}.news-items{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.news-items a{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-size:13px}.news-items a:hover b{background:var(--red);color:#fff}.news-items b{padding:3px 7px;background:#fbe9ea;color:var(--red);font-size:11px}.news-items time{color:#9aa5b8;font:11px Arial}.more-link{color:var(--navy);text-decoration:none;font-size:12px;white-space:nowrap}
.official-section{padding:112px 0}.feature-section{background:var(--navy);color:#fff}.feature-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px;align-items:center}.eyebrow{margin:0 0 15px;color:var(--gold);font:700 11px Arial;letter-spacing:.24em}.section-intro h2,.section-heading h2,.event-copy h2,.download-layout h2,.faq-layout h2{margin:0;font-size:clamp(42px,6vw,82px);line-height:.98;letter-spacing:.02em}.section-intro h2 em,.event-copy h2 em,.download-layout h2 em{color:var(--cyan);font-style:normal}.intro-copy{max-width:370px;margin:28px 0;color:#b9c4d8;font-size:14px}.text-link{color:#fff;text-decoration:none;font-size:13px;font-weight:700}.feature-visual{position:relative}.feature-visual:before{content:"";position:absolute;inset:-18px 18px 18px -18px;border:1px solid #54d4e855;pointer-events:none}.feature-visual img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;position:relative}.visual-tag{position:absolute;right:-12px;bottom:-20px;padding:16px 21px;background:var(--gold);color:var(--navy);font:700 28px/.85 Arial;text-align:center}.visual-tag small{display:block;margin-top:7px;font-size:9px;letter-spacing:.14em}.feature-points{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:110px}.feature-points article{padding-top:18px;border-top:1px solid #52617f}.feature-points span{color:var(--cyan);font:12px Arial;letter-spacing:.14em}.feature-points h3{margin:10px 0 4px;font-size:20px}.feature-points p{margin:0;color:#aebbd2;font-size:13px}
.heroes-section{background:#fff}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:42px}.section-heading h2{color:var(--navy)}.section-heading>p{max-width:260px;margin:0;color:var(--muted);font-size:14px}.hero-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.hero-card{padding:0;border:0;background:var(--navy);color:#fff;text-align:left;cursor:pointer;overflow:hidden;position:relative}.hero-card img{display:block;width:100%;aspect-ratio:1.18;object-fit:cover;filter:saturate(.72);transition:transform .35s,filter .35s}.hero-card span{position:absolute;left:18px;bottom:17px;text-shadow:0 2px 12px #000}.hero-card b{display:block;font-size:20px}.hero-card small{color:#c4cee0;font-size:11px}.hero-card.active,.hero-card:hover{outline:2px solid var(--gold);outline-offset:3px}.hero-card.active img,.hero-card:hover img{transform:scale(1.04);filter:saturate(1)}.hero-featured{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;align-items:center;margin-top:42px;padding-top:42px;border-top:1px solid var(--line)}.hero-featured img{display:block;width:100%;aspect-ratio:16/7;object-fit:cover}.hero-featured h3{margin:0;font-size:34px;line-height:1.08}.hero-featured p:not(.eyebrow){color:var(--muted);font-size:13px}
.events-section{background:#e9edf4}.events-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:78px;align-items:center}.event-poster{position:relative}.event-poster img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:18px 18px 0 var(--gold)}.event-ribbon{position:absolute;left:-12px;top:20px;padding:8px 13px;background:var(--red);color:#fff;font:700 10px Arial;letter-spacing:.16em}.event-copy h2{color:var(--navy)}.event-copy>p:not(.eyebrow){color:var(--muted);font-size:14px}.event-copy ul{list-style:none;padding:0;margin:28px 0 30px}.event-copy li{display:grid;grid-template-columns:34px 1fr;column-gap:10px;padding:11px 0;border-top:1px solid #cbd3e0}.event-copy li span{grid-row:span 2;color:var(--red);font:12px Arial}.event-copy li b{font-size:14px}.event-copy li small{color:var(--muted);font-size:12px}.primary-cta.small{padding:12px 19px;font-size:13px}
.download-section{padding:112px 0;background:var(--navy-2);color:#fff}.download-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:center}.download-layout h2{font-size:clamp(42px,5vw,72px)}.download-copy{max-width:390px;margin:26px 0 30px;color:#c0cade;font-size:14px}.download-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.download-steps div{padding-top:20px;border-top:1px solid #657494}.download-steps span{color:var(--gold);font:12px Arial}.download-steps b{display:block;margin:14px 0 5px;font-size:15px}.download-steps p{margin:0;color:#aebbd2;font-size:12px}
.faq-section{padding:95px 0;background:#fff}.faq-layout{display:grid;grid-template-columns:.55fr 1.45fr;gap:90px}.faq-layout h2{font-size:clamp(40px,5vw,68px);color:var(--navy)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{display:flex;align-items:center;justify-content:space-between;min-height:66px;cursor:pointer;font-weight:700}summary::-webkit-details-marker{display:none}summary span{color:var(--red);font-size:24px;font-weight:400}details[open] summary span{transform:rotate(45deg)}details p{max-width:690px;margin:0 0 20px;color:var(--muted);font-size:13px}
.site-footer{background:#0c1326;color:#fff}.footer-art{height:125px;background:url("assets/official-hero.png") center 55%/cover no-repeat;opacity:.55}.footer-main{display:grid;grid-template-columns:1fr 1.3fr auto;gap:40px;align-items:end;padding:34px 0}.footer-brand b{display:block;font-size:22px}.footer-brand span{color:#8492b1;font:10px Arial;letter-spacing:.2em}.footer-main p{margin:0;color:#aebbd2;font-size:12px}.footer-links{display:flex;gap:18px}.footer-links a{color:#dce4f2;text-decoration:none;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;padding:16px 0 27px;border-top:1px solid #263451;color:#74819b;font-size:11px}
@media(max-width:900px){.page-width{width:min(var(--max),calc(100% - 40px))}.site-header nav{display:none;position:absolute;top:78px;left:20px;right:20px;flex-direction:column;align-items:stretch;gap:0;padding:8px 0;background:var(--navy);border:1px solid #465575}.site-header nav.is-open{display:flex}.site-header nav>a{padding:13px 17px}.nav-download{text-align:center;margin:7px 10px}.menu-toggle{display:block}.hero-official,.hero-official>img{min-height:620px}.hero-copy{padding-top:0}.hero-copy h1{font-size:clamp(65px,14vw,110px)}.hero-lead{font-size:15px}.news-inner{grid-template-columns:1fr;gap:14px;padding:22px 0}.news-items{grid-template-columns:1fr;gap:0}.news-items a{padding:10px 0;border-top:1px solid var(--line)}.more-link{position:absolute;right:20px;margin-top:-47px}.feature-layout,.events-layout,.download-layout,.faq-layout{grid-template-columns:1fr;gap:50px}.feature-points{margin-top:70px}.hero-featured{grid-template-columns:1fr}.download-steps{gap:16px}.footer-main{grid-template-columns:1fr;gap:20px}.footer-links{order:3}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
@media(max-width:560px){.page-width{width:calc(100% - 32px)}.nav-inner{min-height:68px}.site-header nav{top:68px;left:16px;right:16px}.hero-official,.hero-official>img{min-height:600px}.hero-official>img{object-position:58% center}.hero-shade{background:linear-gradient(90deg,#111a32e8 0%,#111a3280 62%,#111a3238)}.hero-copy{justify-content:flex-end;padding-bottom:80px}.hero-kicker{font-size:10px}.hero-copy h1{font-size:clamp(58px,18vw,88px)}.hero-lead{max-width:260px;margin:18px 0 22px;font-size:13px;letter-spacing:.02em}.hero-actions{align-items:stretch;flex-direction:column;width:min(250px,100%)}.primary-cta,.ghost-cta{width:100%;padding:13px 15px}.season-stamp{right:20px;bottom:30px}.season-stamp b{font-size:48px}.hero-scroll{display:none}.news-label{justify-content:space-between}.news-label h2{font-size:17px}.more-link{right:16px}.official-section{padding:75px 0}.section-intro h2,.section-heading h2,.event-copy h2,.download-layout h2,.faq-layout h2{font-size:47px}.intro-copy{margin:22px 0}.feature-visual:before{inset:-10px 10px 10px -10px}.visual-tag{right:-5px;bottom:-13px;padding:12px 15px;font-size:23px}.feature-points{grid-template-columns:1fr;gap:18px;margin-top:60px}.feature-points article{display:grid;grid-template-columns:35px 1fr;column-gap:10px}.feature-points article span{grid-row:span 2}.feature-points h3{margin:0 0 3px}.feature-points p{grid-column:2}.section-heading{display:block;margin-bottom:27px}.section-heading>p{margin-top:16px}.hero-grid{grid-template-columns:1fr;gap:13px}.hero-card{display:grid;grid-template-columns:42% 1fr;align-items:center}.hero-card img{aspect-ratio:1.4;}.hero-card span{position:static;padding:0 16px;text-shadow:none}.hero-card b{color:var(--navy);font-size:18px}.hero-card small{color:var(--muted)}.hero-card{background:#edf0f5}.hero-featured{gap:24px;margin-top:30px;padding-top:30px}.hero-featured h3{font-size:29px}.event-poster img{box-shadow:10px 10px 0 var(--gold)}.event-copy>p:not(.eyebrow){font-size:13px}.download-section{padding:78px 0}.download-steps{grid-template-columns:1fr;gap:0}.download-steps div{display:grid;grid-template-columns:35px 1fr;column-gap:10px;padding:16px 0}.download-steps span{grid-row:span 2}.download-steps b{margin:0 0 2px}.download-steps p{grid-column:2}.faq-section{padding:75px 0}.faq-layout{gap:30px}.footer-art{height:85px}.footer-links{gap:14px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.mobile-download{display:none}@media(max-width:700px){.mobile-download{display:flex;position:fixed;z-index:40;left:16px;right:16px;bottom:14px;min-height:48px;align-items:center;justify-content:center;background:var(--gold);color:var(--navy);font-weight:700;text-decoration:none;box-shadow:0 8px 20px #080e1e55}}
.news-label>span,.news-items b{color:#9e2632}.news-items b{background:#fbe9ea}.news-items time{color:#667181}.heroes-section .eyebrow{color:#9a6810}.section-heading>p{color:#586477}.hero-card small{color:#59657a}
.hero-featured>div>p:not(.eyebrow){color:#536077}.event-ribbon{background:#b52c3b}.event-copy>.eyebrow{color:#8a5b00}.event-copy h2 em{color:#087f99}.event-copy>p:not(.eyebrow),.event-copy li small{color:#4e5a6b}.event-copy li span{color:#a72d37}
.faq-layout .eyebrow{color:#8a5b00}.faq-list details p{color:#536077}