:root{--bg:#f2ebd9;--paper:#fffaf0;--ink:#183b3e;--muted:#607172;--accent:#eb9d39;--accent2:#f8d98c;--dark:#103437;--line:rgba(19,58,59,.16);font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden}button,a{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}img{max-width:100%;display:block}.shell{width:min(1240px,calc(100% - 64px));margin:auto}.section{padding:120px 0}.kicker,.section-index{font-size:12px;font-weight:800;letter-spacing:.22em;color:#b77324;text-transform:uppercase}.topbar{position:absolute;z-index:20;left:0;right:0;top:0;color:white;border-bottom:1px solid rgba(255,255,255,.25)}.topbar-inner{height:86px;display:flex;align-items:center;gap:56px}.brand{display:flex;align-items:center;gap:12px;min-width:235px}.brand img{width:48px;height:48px;border-radius:12px;object-fit:cover;box-shadow:0 3px 10px #0003}.brand strong,.brand small{display:block}.brand strong{font-size:21px;letter-spacing:.08em}.brand small{font-size:8px;letter-spacing:.24em;opacity:.7}.topbar nav{display:flex;gap:37px;margin:auto}.topbar nav a{font-size:14px;font-weight:700;opacity:.9;transition:opacity .2s}.topbar nav a:hover{opacity:.55}.top-download{border:1px solid rgba(255,255,255,.8);padding:12px 20px;font-weight:800;font-size:13px;white-space:nowrap}.top-download span{padding-left:22px}.menu-button{display:none;background:none;border:0;color:white;font-size:25px}
.hero{height:min(800px,100vh);min-height:680px;position:relative;color:#fff;background:#0b5c9d;isolation:isolate}.hero-art{position:absolute;inset:0;z-index:-3;background-size:cover;background-position:center right}.hero-shade{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(4,34,53,.88) 0%,rgba(5,46,66,.78) 29%,rgba(4,49,70,.35) 55%,rgba(0,0,0,0) 100%),linear-gradient(0deg,rgba(9,48,62,.45),transparent 35%)}.hero-content{height:100%;display:flex;align-items:center}.hero-copy{padding-top:72px;width:min(580px,58%)}.eyebrow{display:flex;align-items:center;gap:10px;font-weight:800;font-size:13px;letter-spacing:.2em;text-shadow:0 2px 8px #173a64}.eyebrow-mark{color:#ffde79;font-size:26px}.hero h1{font-weight:900;letter-spacing:.06em;line-height:1.14;margin:27px 0 22px;text-shadow:0 5px 18px #103d667a}.hero h1 span{display:block;font-size:clamp(58px,6vw,93px)}.hero h1 em{display:block;font-style:normal;font-size:clamp(30px,3.3vw,48px);color:#ffe7a2;margin-top:16px}.hero-copy>p{font-size:17px;line-height:2;max-width:510px;color:#e6f2ef;text-shadow:0 2px 8px #184968}.hero-actions{display:flex;gap:14px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-width:194px;padding:16px 22px;font-weight:900;font-size:14px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-3px)}.button-primary{background:#f4b34e;color:#183b3e;box-shadow:0 8px 0 #b67432}.button-ghost{border:1px solid #ffffffa8;color:#fff;background:#143f4f75}.hero-meta{display:flex;align-items:center;gap:13px;margin-top:62px;font-size:10px;letter-spacing:.18em;color:#e6e2d3}.hero-meta i{height:1px;width:55px;background:#ebd2ac}.hero-scroll{position:absolute;bottom:43px;right:6%;writing-mode:vertical-rl;font-size:10px;letter-spacing:.25em;font-weight:800;display:flex;align-items:center;gap:13px}.hero-scroll b{font-size:23px}.ribbon{background:var(--accent);color:#163b3c;overflow:hidden;border-top:3px solid #ffd680;border-bottom:3px solid #dc8b29}.ribbon div{white-space:nowrap;text-align:center;font-size:13px;font-weight:900;letter-spacing:.19em;padding:14px;word-spacing:13px}.ribbon b{font-size:17px;margin:0 22px}
.intro{background:var(--bg);position:relative}.intro:before{content:'✦';position:absolute;right:5%;top:50px;color:#d6c5a6;font-size:200px;opacity:.2}.intro-grid{display:grid;grid-template-columns:260px 1fr;gap:65px}.intro-side{border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between}.small-emblem{font-size:80px;color:#d9b87b}.intro h2,.section-heading h2,.download h2{font-size:clamp(42px,5vw,70px);line-height:1.28;letter-spacing:.035em;margin:20px 0 26px;font-weight:900}.intro h2 span,.section-heading h2 span,.download h2 span{color:#d98b2d}.intro-description{font-size:17px;color:var(--muted);line-height:2;max-width:690px}.intro-stats{display:flex;gap:0;margin-top:60px;border-top:1px solid var(--line);padding-top:25px}.intro-stats div{min-width:145px;border-right:1px solid var(--line);padding:0 36px}.intro-stats div:first-child{padding-left:0}.intro-stats div:last-child{border:0}.intro-stats strong{display:block;font-size:27px;color:var(--ink)}.intro-stats span{display:block;color:#8b9691;font-size:12px;margin-top:6px}
.features{background:#e7dcc3}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:50px;gap:28px}.section-heading h2{margin:12px 0 0}.section-heading>p{color:var(--muted);max-width:260px;line-height:1.8;font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.feature-card{background:var(--paper);display:grid;grid-template-columns:47% 53%;min-height:265px;box-shadow:0 15px 30px #55604513;overflow:hidden}.feature-image{overflow:hidden}.feature-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.feature-card:hover img{transform:scale(1.06)}.feature-body{padding:30px 26px;display:flex;flex-direction:column;align-items:start}.feature-number{font-size:11px;font-weight:900;color:#cf8b39;border-bottom:1px solid #cf8b39;padding-bottom:6px}.feature-body h3{font-size:23px;margin:22px 0 10px}.feature-body p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.quote-band{background:#173d3b;color:#f5e8ca;text-align:center;padding:72px 0;background-image:radial-gradient(circle at 18% 50%,#3c6b5c 0,transparent 33%),radial-gradient(circle at 86% 5%,#3c6b5c 0,transparent 24%)}.quote-band .shell{display:flex;align-items:center;justify-content:center;gap:80px}.quote-band p{font-size:clamp(26px,3vw,42px);font-weight:900;line-height:1.6;margin:0;letter-spacing:.12em}.quote-band span{color:var(--accent);font-size:36px}
.news{background:var(--paper)}.text-link{font-size:13px;font-weight:800;border-bottom:1px solid var(--ink);padding:0 0 7px}.news-list{border-top:2px solid var(--ink)}.news-row{display:grid;grid-template-columns:130px 125px 1fr 40px;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:30px 9px;transition:background .2s}.news-row:hover{background:#f1e7d1}.news-date{font-weight:800;font-size:13px;color:#929d93}.news-tag{font-size:12px;font-weight:800;border:1px solid #c69552;color:#a46b2c;padding:8px 10px;text-align:center}.news-main h3{font-size:21px;margin:0 0 7px}.news-main p{color:var(--muted);font-size:13px;margin:0}.news-arrow{font-size:25px}
.media{background:#ede5d4}.media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.media-card{border:0;padding:0;background:#173b3b;position:relative;aspect-ratio:16/9;color:white;text-align:left;overflow:hidden}.media-card.video-no-cover{background:radial-gradient(circle at 70% 30%,#527b7b,#183f41 58%,#0b282f)}.media-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.media-card:hover img{transform:scale(1.05)}.media-card:after{content:'';position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#071c24ac)}.media-caption{position:absolute;z-index:1;left:24px;bottom:24px;display:flex;flex-direction:column;gap:4px}.media-caption small{font-size:10px;letter-spacing:.16em}.media-caption strong{font-size:21px}.media-icon{position:absolute;z-index:1;right:24px;bottom:24px;font-size:22px;border:1px solid #fff8;width:42px;height:42px;border-radius:50%;display:grid;place-items:center}
.download{background:#d98d31;color:#fff5df;padding:90px 0;background-image:radial-gradient(circle at 70% 50%,#e8ac4c 0,transparent 40%),linear-gradient(130deg,#ce7c29,#e6a541)}.download-inner{display:flex;justify-content:space-between;align-items:end;gap:30px}.download .kicker{color:#fff0cc}.download h2{margin:15px 0}.download h2 span{color:#194544}.download p:last-child{font-size:15px}.download-actions{display:flex;flex-direction:column;gap:12px;min-width:260px}.button-light{background:#163e3c;color:#fff}.button-outline{border:1px solid #fff;color:white}footer{background:#102d2e;color:#d7e3d7;padding:30px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-inner strong,.footer-inner small{display:block}.footer-inner strong{font-size:20px}.footer-inner small{font-size:9px;letter-spacing:.2em;opacity:.6}.footer-inner p{font-size:11px;opacity:.65;max-width:530px}.footer-inner a{font-size:12px;font-weight:700}dialog{border:0;padding:32px;background:#102d2e;color:white;max-width:min(1080px,95vw);max-height:90vh}dialog::backdrop{background:#031b21d9}dialog img,dialog video{max-height:74vh;max-width:100%;display:block}dialog p{margin:12px 0 0}#dialog-close{position:absolute;right:4px;top:0;border:0;background:transparent;color:white;font-size:32px}
body[data-theme="midnight"]{--bg:#101b28;--paper:#1b2a39;--ink:#e9eef0;--muted:#a6b6c0;--accent:#cf784b;--line:rgba(230,240,250,.15)}body[data-theme="midnight"] .features{background:#172435}body[data-theme="midnight"] .media{background:#142130}body[data-theme="midnight"] .feature-card{box-shadow:none}body[data-theme="midnight"] .intro-stats strong{color:#e9eef0}body[data-theme="midnight"] .news-row:hover{background:#233848}body[data-theme="midnight"] .quote-band{background-color:#2b263a}body[data-theme="midnight"] .download{background:#483958}body[data-theme="midnight"] .download h2 span{color:#ffcf92}
body[data-theme="parchment"]{--bg:#f7f1e6;--paper:#fffdf7;--ink:#4d4033;--muted:#817466;--accent:#ac7443;--line:rgba(77,64,51,.18)}body[data-theme="parchment"] .features{background:#eee2cf}body[data-theme="parchment"] .media{background:#f0e6d5}body[data-theme="parchment"] .quote-band{background:#574738}body[data-theme="parchment"] .download{background:#a76e40}body[data-theme="parchment"] .download h2 span{color:#f7dfb3}body[data-theme="parchment"] footer{background:#3f342b}
@media(min-width:901px){body[data-theme="midnight"] .hero-copy{width:660px;margin:auto;text-align:center}body[data-theme="midnight"] .hero-actions{justify-content:center}body[data-theme="midnight"] .eyebrow{justify-content:center}body[data-theme="midnight"] .hero-meta{justify-content:center}body[data-theme="midnight"] .hero-shade{background:#061421aa}body[data-theme="midnight"] .feature-grid{grid-template-columns:repeat(4,1fr)}body[data-theme="midnight"] .feature-card{display:block}body[data-theme="midnight"] .feature-image{height:170px}body[data-theme="midnight"] .feature-body{min-height:250px}body[data-theme="parchment"] .hero-art{background-size:auto 100%;background-repeat:no-repeat;background-position:right center;background-color:#c69b68}body[data-theme="parchment"] .hero-shade{background:linear-gradient(90deg,#513e2b 0%,#513e2bee 35%,#513e2b33 74%,transparent)}body[data-theme="parchment"] .feature-grid{grid-template-columns:1fr 1fr}body[data-theme="parchment"] .feature-card{grid-template-columns:1fr}body[data-theme="parchment"] .feature-image{height:205px}body[data-theme="parchment"] .feature-body{min-height:205px}body[data-theme="parchment"] .media-grid{grid-template-columns:repeat(4,1fr)}body[data-theme="parchment"] .media-card{aspect-ratio:4/5}body[data-theme="parchment"] .media-caption strong{font-size:16px}}
@media(max-width:900px){.shell{width:min(100% - 36px,700px)}.topbar-inner{height:70px}.topbar nav{display:none;position:absolute;top:70px;left:0;right:0;background:#123b45;padding:20px;flex-direction:column;gap:20px}.nav-open .topbar nav{display:flex}.top-download{margin-left:auto}.menu-button{display:block}.hero{min-height:630px}.hero-art{background-position:65% center}.hero-shade{background:linear-gradient(90deg,#0a344ccc,#0a344c55),linear-gradient(0deg,#0a344c99,transparent)}.hero-copy{width:90%}.hero h1 span{font-size:58px}.hero h1 em{font-size:31px}.hero-scroll{display:none}.intro-grid{grid-template-columns:1fr;gap:20px}.intro-side{border:0}.small-emblem{display:none}.section{padding:75px 0}.feature-grid{grid-template-columns:1fr}.download-inner{align-items:start}.footer-inner{flex-wrap:wrap}}
@media(max-width:600px){.brand{min-width:0}.brand img{width:40px;height:40px}.brand strong{font-size:17px}.brand small{font-size:7px}.top-download{display:none}.hero{height:710px}.hero-content{align-items:end;padding-bottom:85px}.hero-copy{padding-top:0;width:100%}.hero h1 span{font-size:47px}.hero h1 em{font-size:25px}.hero-copy>p{font-size:14px;line-height:1.85}.hero-actions{flex-wrap:wrap}.button{min-width:0;flex:1;gap:10px;font-size:12px;padding:14px}.hero-meta{margin-top:42px}.ribbon div{font-size:10px;text-align:left}.intro h2,.section-heading h2,.download h2{font-size:39px}.intro-stats div{min-width:0;flex:1;padding:0 12px}.intro-stats strong{font-size:20px}.feature-card{grid-template-columns:1fr}.feature-image{height:210px}.feature-body{padding:24px}.section-heading{align-items:start;flex-direction:column;gap:8px}.section-heading>p{margin:0}.quote-band .shell{gap:12px}.quote-band span{font-size:19px}.news-row{grid-template-columns:85px 1fr 26px;gap:10px;padding:22px 0}.news-tag{display:none}.news-main h3{font-size:16px}.news-main p{font-size:11px;line-height:1.5}.news-date{font-size:10px}.media-grid{grid-template-columns:1fr}.download-inner{flex-direction:column;align-items:stretch}.download-actions{min-width:0}.footer-inner{display:block}.footer-inner p{line-height:1.6}.footer-inner a{display:inline-block;margin-top:14px}}