:root{--orange:#ef5a24;--ink:#121416;--muted:#646a70;--line:#dedbd5;--paper:#f5f4f0;--dark:#111316;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid #ece9e3;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;gap:24px}.brand img{width:152px;display:block}.navlinks{margin-left:auto;display:flex;gap:22px;align-items:center}.navlinks a{font-size:13px;font-weight:750}.navlinks a:hover{color:var(--orange)}.lang{display:flex;gap:8px;align-items:center;font-size:12px;font-weight:800}.lang .on{color:var(--orange)}.quote{background:var(--orange);color:#fff;padding:13px 16px;font-weight:800}.menu{display:none}
.hero{padding:92px 0 72px;background:linear-gradient(135deg,#121416,#1b1f22);color:#fff}.crumb{font-size:12px;color:#aeb3b8;margin-bottom:22px}.crumb a{color:#d8dcdf}.eyebrow{font-size:11px;letter-spacing:.15em;text-transform:uppercase;font-weight:900;color:var(--orange);margin-bottom:14px}.hero h1{font-size:clamp(44px,6vw,78px);line-height:.98;letter-spacing:-.045em;margin:0;max-width:980px}.hero p{font-size:18px;line-height:1.65;color:#c6c9cc;max-width:780px;margin:24px 0 0}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 17px;border:1px solid #c9c6c0;font-weight:800;font-size:13px;background:#fff;cursor:pointer}.btn.accent{background:var(--orange);border-color:var(--orange);color:#fff}.btn.dark{background:#16191c;color:#fff;border-color:#16191c}.btn.ghost{background:transparent;color:inherit}.hero .btn.ghost{border-color:#555b60;color:#fff}
.section{padding:76px 0}.paper{background:var(--paper)}.head{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:end;margin-bottom:34px}.head h2{font-size:clamp(34px,4vw,56px);line-height:1.02;letter-spacing:-.035em;margin:0}.lead{font-size:17px;line-height:1.65;color:var(--muted);margin:0}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{border:1px solid var(--line);background:#fff;padding:24px;min-height:190px;display:flex;flex-direction:column}.card .code{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.05em}.card h3{font-size:24px;line-height:1.12;margin:14px 0 10px}.card p{color:var(--muted);line-height:1.55;margin:0}.card .more{margin-top:auto;padding-top:22px;color:var(--orange);font-weight:850}.spec{display:grid;grid-template-columns:170px 1fr;border-top:1px solid var(--line)}.spec div{padding:14px 0;border-bottom:1px solid var(--line)}.spec .k{font-weight:800}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{border:1px solid var(--line);padding:9px 11px;font-size:12px;background:#fff}.notice{border-left:3px solid var(--orange);background:#f7f3ee;padding:18px 20px;color:#555b60;line-height:1.6}.content p,.content li{font-size:16px;line-height:1.75;color:#4f555b}.content h2{font-size:34px;margin:42px 0 14px}.content h3{font-size:23px;margin:30px 0 10px}.content ul{padding-left:20px}.split{display:grid;grid-template-columns:1.25fr .75fr;gap:50px}.aside{border:1px solid var(--line);padding:24px;align-self:start;position:sticky;top:96px}.aside h3{margin-top:0}.aside a{display:block;padding:11px 0;border-top:1px solid var(--line);font-weight:700}.aside a:hover{color:var(--orange)}
.taxonomy{border-top:1px solid var(--line)}.taxrow{display:grid;grid-template-columns:50px 1.1fr 1.5fr 28px;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:center}.taxrow .n{font-size:11px;color:var(--orange);font-weight:900}.taxrow b{font-size:18px}.taxrow span{color:var(--muted);font-size:14px}.taxrow i{font-style:normal;color:var(--orange)}
.cta{background:#111316;color:#fff;padding:64px 0}.cta .head{margin:0}.cta .lead{color:#c2c6ca}.contactGrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}.form{border:1px solid var(--line);padding:26px;background:#fff}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid #cfcac2;padding:12px;background:#fff}.field textarea{min-height:130px;resize:vertical}.hp{display:none!important}
footer{background:#0d0f11;color:#fff;padding:46px 0 22px}.footgrid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:48px}.footgrid img{width:140px}.footgrid p,.footgrid a{color:#aeb2b6;line-height:1.7}.footgrid b{display:block;margin-bottom:10px;color:#fff}.legal{margin-top:28px;border-top:1px solid #282b2f;padding-top:16px;color:#7f8489;font-size:12px;display:flex;justify-content:space-between;gap:20px}
html[lang="zh-CN"] body{font-family:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}html[lang="zh-CN"] .hero h1{letter-spacing:-.035em;line-height:1.08;font-weight:800}html[lang="zh-CN"] .head h2{letter-spacing:-.025em;line-height:1.15;font-weight:750}html[lang="zh-CN"] .eyebrow{letter-spacing:.08em}
@media(max-width:900px){.wrap{width:min(var(--max),calc(100% - 30px))}.nav{flex-wrap:wrap;padding:10px 0}.brand img{width:132px}.lang{margin-left:auto}.quote{padding:10px 12px}.navlinks{display:flex;order:3;width:100%;overflow-x:auto;white-space:nowrap;gap:18px;padding:8px 0 2px;scrollbar-width:none}.navlinks::-webkit-scrollbar{display:none}.navlinks a{font-size:12px}.menu{display:none}.head,.split,.contactGrid{grid-template-columns:1fr;gap:22px}.grid3,.grid2{grid-template-columns:1fr}.hero{padding:70px 0 58px}.hero h1{font-size:46px}.section{padding:58px 0}.taxrow{grid-template-columns:34px 1fr 24px}.taxrow span{display:none}.aside{position:static}.fields{grid-template-columns:1fr}.field.full{grid-column:auto}.footgrid{grid-template-columns:1fr}.legal{flex-direction:column}}


/* V32 content-depth components */
.kicker{font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
.copy-narrow{max-width:820px}.bodycopy{font-size:16px;line-height:1.8;color:#4f555b}.bodycopy strong{color:var(--ink)}
.data-table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}.data-table{width:100%;border-collapse:collapse;min-width:820px}.data-table th,.data-table td{padding:15px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:14px;line-height:1.5}.data-table th{background:#f1efe9;font-size:12px;letter-spacing:.03em;text-transform:uppercase}.data-table tr:last-child td{border-bottom:0}.data-table a{font-weight:800;color:var(--orange)}
.checkgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.checkitem{border:1px solid var(--line);background:#fff;padding:17px 18px}.checkitem b{display:block;margin-bottom:5px}.checkitem span{display:block;color:var(--muted);font-size:14px;line-height:1.55}
.faq{border-top:1px solid var(--line)}.faqitem{padding:22px 0;border-bottom:1px solid var(--line)}.faqitem h3{font-size:19px;margin:0 0 8px}.faqitem p{margin:0;color:var(--muted);line-height:1.7}
.callout{border:1px solid var(--line);background:#fff;padding:24px}.callout h3{margin:0 0 10px;font-size:22px}.callout p{margin:0;color:var(--muted);line-height:1.7}
.product-summary{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.subtle{font-size:13px;color:var(--muted);line-height:1.6}.section.tight{padding-top:54px;padding-bottom:54px}
html[lang="zh-CN"] .data-table th{letter-spacing:0;text-transform:none}html[lang="zh-CN"] .kicker{letter-spacing:.05em}
@media(max-width:900px){.checkgrid,.product-summary{grid-template-columns:1fr}.data-table th,.data-table td{padding:13px 14px}.copy-narrow{max-width:none}}