/* 祖玛正式内容版：三项导航，简介与独立下载页。 */
.header nav{margin:auto;gap:38px}.hero-content h1{font-size:clamp(48px,5.3vw,77px);letter-spacing:3px;line-height:1.45}.hero-content h1 span{white-space:nowrap}.introduction{padding:100px 0}.intro-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #242d242b;padding-bottom:48px}.intro-heading h2{font-size:42px;letter-spacing:3px}.intro-stamp{font:24px/1.4 var(--serif);color:#9c8358;border:1px solid #a18c6155;padding:13px;letter-spacing:3px}.intro-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;column-gap:70px}.intro-list li{display:flex;gap:23px;padding:30px 0;border-bottom:1px solid #242d241f;align-items:flex-start;break-inside:avoid}.intro-list li:last-child{grid-column:1/-1}.intro-number{font:11px Arial;color:#a28b61;letter-spacing:1px;padding-top:7px}.intro-list h3{font:23px var(--serif);letter-spacing:2px;font-weight:400;margin:0 0 13px}.intro-list p{font-size:13px;line-height:2.15;color:#72786c;margin:0}.is-download .header{position:relative;background:#181d1b}.download-page .download{padding-top:85px}.download-page h1{font:48px/1.5 var(--serif);color:#283329;letter-spacing:4px;margin:0 0 20px;text-shadow:none}.is-download .header nav{margin:auto}.is-download .download-copy{margin-top:20px}
@media(max-width:760px){.header nav{margin:0;gap:0}.hero-content h1{font-size:clamp(31px,8.3vw,55px);letter-spacing:0;line-height:1.7}.introduction{padding:55px 0}.intro-heading{padding-bottom:30px}.intro-heading h2{font-size:29px;letter-spacing:1px}.intro-stamp{font-size:17px;padding:9px}.intro-list{grid-template-columns:1fr;gap:0}.intro-list li{gap:17px;padding:25px 0}.intro-list h3{font-size:22px}.intro-list p{font-size:12px}.intro-number{font-size:10px}.download-page .download{padding-top:55px}.download-page h1{font-size:36px}.is-download .header nav{margin:0}}

.is-subpage .header{position:relative;background:#181d1b}.intro-heading h1{font:42px/1.5 var(--serif);letter-spacing:3px;color:var(--ink);margin:0;text-shadow:none}.is-subpage .introduction{padding-top:85px}@media(min-width:761px){.header #navigation{position:absolute;left:50%;transform:translateX(-50%);margin:0}.header-download{margin-left:auto}}@media(max-width:760px){.intro-heading h1{font-size:29px;letter-spacing:1px}.is-subpage .introduction{padding-top:55px}.header .menu-toggle{margin-left:0}.header #navigation{transform:none}}
/* 2026-11-12：三页统一固定导航，锚点避让顶部导航。 */
.header,.is-subpage .header,.is-download .header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(24,29,27,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.is-subpage,.is-download{padding-top:92px}
html{scroll-padding-top:112px}
.info-row{scroll-margin-top:112px!important}
@media(max-width:760px){.is-subpage,.is-download{padding-top:76px}html{scroll-padding-top:96px}.info-row{scroll-margin-top:96px!important}}