:root{--orange:#ff8700;--navy:#101a26;--ink:#142136;--muted:#5d6878;--line:#dfe4e8;--paper:#f5f6f7}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.72}[data-lang-copy="zh-CN"],[data-lang-panel="zh-CN"]{display:none}html[lang="zh-CN"] [data-lang-copy="en"],html[lang="zh-CN"] [data-lang-panel="en"]{display:none}html[lang="zh-CN"] [data-lang-copy="zh-CN"]{display:inline}html[lang="zh-CN"] [data-lang-panel="zh-CN"]{display:block}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:20;background:#fff;color:#111;padding:10px}.topbar{background:#29282d;color:#fff;font-size:12px}.topbar .shell,.topbar-actions{display:flex;justify-content:space-between;align-items:center;gap:18px}.topbar .shell{padding:8px 0}.topbar a{color:#fff;text-decoration:none}.lang-switch{display:flex;border:1px solid rgba(255,255,255,.35)}.lang-switch button{border:0;background:transparent;color:#fff;padding:5px 9px;cursor:pointer}.lang-switch button[aria-pressed="true"]{background:var(--orange);color:#111}.header{background:var(--navy);color:#fff}.nav-wrap{min-height:104px;display:flex;align-items:center;gap:42px}.logo{margin-right:auto}.logo img{display:block;width:188px;height:auto}.header nav{display:flex;gap:32px}.header nav a,.nav-cta{color:#fff;text-decoration:none}.nav-cta{background:#5e6b79;padding:14px 20px}.hero{position:relative;min-height:610px;display:flex;align-items:flex-end;color:#fff;overflow:hidden}.hero-image,.hero-overlay{position:absolute;inset:0;width:100%;height:100%}.hero-image{object-fit:cover}.hero-overlay{background:linear-gradient(90deg,rgba(7,17,28,.97) 0%,rgba(7,17,28,.88) 48%,rgba(7,17,28,.4) 100%)}.hero-content{position:relative;padding:92px 0 82px}.eyebrow{display:block;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.hero h1{max-width:850px;margin:18px 0 24px;font-size:clamp(45px,6.4vw,78px);line-height:1.05;letter-spacing:-.04em}.hero p{max-width:730px;margin:0;color:#e5eaf0;font-size:20px}.hero-actions,.closing-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;text-decoration:none;font-weight:700}.button.primary{background:var(--orange);color:#111}.button.ghost{border:1px solid rgba(255,255,255,.6);color:#fff}.content-grid{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:72px;padding:80px 0 100px}.prose h2{margin:48px 0 16px;font-size:34px;line-height:1.2;letter-spacing:-.02em}.prose h2:first-child{margin-top:0}.prose h3{margin:34px 0 12px;font-size:24px;line-height:1.3}.prose p,.prose li{font-size:17px;color:#344155}.prose ul,.prose ol{padding-left:23px}.prose blockquote{margin:28px 0;border-left:4px solid var(--orange);background:#fff5e8;padding:18px 24px}.prose img{display:block;max-width:100%;height:auto;margin:32px 0}.prose a{color:#a94900}.proof{align-self:start;position:sticky;top:24px;background:var(--navy);color:#fff;padding:34px}.proof h2{margin:10px 0 24px;font-size:28px}.proof dl{margin:0}.proof dl div{padding:16px 0;border-top:1px solid rgba(255,255,255,.16)}.proof dt{color:#9eabb7;font-size:12px;text-transform:uppercase;letter-spacing:.07em}.proof dd{margin:4px 0 0;font-weight:700}.proof-link{display:block;margin-top:22px;color:#ff9a16;text-decoration:none;font-weight:700}.closing{background:var(--navy);color:#fff;padding:70px 0}.closing-inner{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center}.closing h2{font-size:42px;line-height:1.1;margin:12px 0}.closing p{max-width:680px;color:#cbd4dd}.closing-actions{margin:0}.closing .button.ghost{border-color:#8693a0}footer{background:#09111a;color:#bbc5cf;padding:50px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:42px}.footer-grid strong{color:#fff;font-size:20px}.footer-grid a{display:block;color:#fff;text-decoration:none;margin:5px 0}.footer-grid p{max-width:520px}@media(max-width:900px){.header nav{display:none}.nav-cta{display:none}.hero{min-height:540px}.content-grid{grid-template-columns:1fr;gap:36px}.proof{position:static}.closing-inner{grid-template-columns:1fr}.closing-actions{margin-top:0}}@media(max-width:620px){.shell{width:min(100% - 28px,1180px)}.topbar .shell{align-items:flex-start}.topbar-actions{align-items:flex-end;flex-direction:column;gap:5px}.nav-wrap{min-height:82px}.logo img{width:164px}.hero-content{padding:62px 0}.hero h1{font-size:43px}.hero p{font-size:17px}.content-grid{padding:54px 0 70px}.prose h2{font-size:29px}.closing h2{font-size:34px}.footer-grid{grid-template-columns:1fr}}