/* common.css - 通用布局:页头导航 + 页脚 */

/* ============== 页头导航 ============== */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--r-nav);
  background:#141414;color:#fff;z-index:1000;
  transition:background var(--tr),box-shadow var(--tr);
}
.admin-bar .site-header{top:32px}
.site-header.is-scrolled{background:rgba(18,18,18,.96);box-shadow:0 2px 16px rgba(0,0,0,.35)}
.nav-wrap{max-width:var(--w-container);margin:0 auto;padding:0 var(--w-pad);height:100%;display:flex;align-items:center;justify-content:space-between}

/* LOGO */
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-logo{display:block;width:208px;height:40px;object-fit:contain;object-position:left center;content:url('../images/site/ylotsen-logo-white-transparent.png')}
.brand-logo{
  display:inline-flex;align-items:center;
  font-family:var(--font-en);
  font-weight:700;letter-spacing:.5px;
}
.brand-logo .en{color:var(--c-red);font-size:22px;line-height:1}
.brand-logo .cn{color:#fff;font-size:16px;font-weight:400;letter-spacing:2px}

/* 导航菜单 */
.nav-list{display:flex;align-items:center;height:100%}
.nav-list>li{position:relative;height:100%}
.nav-list>li>a{
  display:flex;align-items:center;height:100%;
  padding:0 24px;font-family:var(--font-heavy);font-size:17px;font-weight:700;letter-spacing:.12em;color:rgba(255,255,255,.92);
  position:relative;transition:color var(--tr);
}
.nav-list>li>a::after{
  content:"";position:absolute;bottom:13px;left:50%;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-red);transition:width var(--tr);
}
.nav-list>li>a:hover,.nav-list>li>a.is-active{color:var(--c-red)}
.nav-list>li>a:hover::after{width:24px}
.nav-list>li>a.is-active{color:var(--c-red)}
.nav-list>li>a.is-active::after{width:24px}

/* 二级菜单 */
.nav-list>li.has-sub:hover>.sub-menu,
.nav-list>li.has-sub:focus-within>.sub-menu,
.nav-list>li.menu-item-has-children:hover>.sub-menu,
.nav-list>li.menu-item-has-children:focus-within>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-list>li.has-sub:hover>a,.nav-list>li.menu-item-has-children:hover>a{color:var(--c-red)}
.sub-menu{
  position:absolute;top:100%;left:0;min-width:240px;background:#1b1b1e;
  box-shadow:0 12px 32px rgba(0,0,0,.26);border-top:2px solid var(--c-red);
  padding:0;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--tr),transform var(--tr),visibility var(--tr);
}
.sub-menu li a{display:block;padding:13px 22px;border-bottom:1px solid #2d2d31;font-size:13px;line-height:1.55;letter-spacing:.04em;color:#d2d2d5;transition:background .2s,color .2s,padding-left .2s}
.sub-menu li:last-child a{border-bottom:0}
.sub-menu li a:hover,.sub-menu .current-menu-item>a{background:var(--c-red);color:#fff;padding-left:26px}

/* 所有文字按钮统一保留向右伸展的悬停反馈。 */
.btn,.section-jump,.slide-cta{transition:background var(--tr),color var(--tr),border-color var(--tr),padding-right var(--tr),transform var(--tr)}
.btn:hover,.section-jump:hover{padding-right:44px}
.slide-cta:hover{padding-right:50px}

/* 移动端汉堡按钮 */
.menu-toggle{display:none;width:32px;height:32px;position:relative}
.menu-toggle span{position:absolute;left:6px;right:6px;height:2px;background:#fff;border-radius:1px;transition:transform var(--tr),opacity var(--tr)}
.menu-toggle span:nth-child(1){top:9px}
.menu-toggle span:nth-child(2){top:15px}
.menu-toggle span:nth-child(3){top:21px}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============== 页脚 ============== */
.site-footer{background:#141414;color:#8f8f93;padding:40px 0 0}
.footer-top{padding:8px 0 28px;border-bottom:1px solid #2a2a2d}
.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 22px;font-size:13px;letter-spacing:.1em}
.footer-links a{color:#a6a6ab;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-links .sep{color:#3d3d41}
.footer-bot{padding:22px 0;text-align:center;font-size:12px;letter-spacing:.06em;color:#636367;font-family:var(--font-en)}
.footer-bot p{margin:2px 0}

/* ============== 通用工具 ============== */
.text-red{color:var(--c-red)}
.bg-gray{background:var(--c-gray-bg)}
.mt-24{margin-top:24px}
.mt-48{margin-top:48px}

button,[role="button"],.btn,.slide-cta,.section-jump,.swiper-button-prev,.swiper-button-next,.carousel-button,.case-showcase-button,.menu-toggle,.tab-button{
  touch-action:manipulation;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;
}

/* 移动端抽屉菜单 */
@media (max-width:768px){
  .menu-toggle{display:block}
  .nav-list{
    position:fixed;top:var(--r-nav);left:0;right:0;
    background:#141414;flex-direction:column;align-items:stretch;
    height:auto;max-height:0;overflow:hidden;transition:max-height var(--tr);
  }
  .nav-list.is-open{max-height:80vh;overflow-y:auto}
  .nav-list>li{height:auto}
  .nav-list>li>a{padding:14px var(--w-pad);border-bottom:1px solid #262629;justify-content:space-between}
  .nav-list>li>a::after{display:none}
  .sub-menu{
    position:static;opacity:1;visibility:visible;transform:none;
    background:#1e1e21;box-shadow:none;border-top:0;max-height:0;overflow:hidden;
    transition:max-height var(--tr);padding:0;
  }
  .nav-list>li.has-sub.is-expanded>.sub-menu,.nav-list>li.menu-item-has-children.is-expanded>.sub-menu{max-height:500px;padding:8px 0}
  .sub-menu li a{padding:10px var(--w-pad) 10px 36px;color:#b3b3b8;border-bottom:1px solid #262629}
  .brand-logo .en{font-size:18px}
  .brand-logo .cn{font-size:14px}
  .nav-logo{width:156px;height:30px}
  .nav-list>li>a{font-size:16px}
}
@media (max-width:782px){
  .admin-bar .site-header{top:46px}
}

/* Content inserted by the protected document editor. Existing page elements
   do not use these classes, so the current website layout stays unchanged. */
.cms-editor-heading,.cms-editor-paragraph{max-width:1180px;margin:24px auto;padding-left:var(--w-pad);padding-right:var(--w-pad);box-sizing:border-box}
.cms-editor-heading{color:var(--c-dark);font-family:var(--font-heavy);font-size:30px;line-height:1.35}
.cms-editor-paragraph{color:var(--c-text);font-size:16px;line-height:1.9}
.cms-editor-image-block{display:block;width:min(100%,720px);max-width:calc(100% - (var(--w-pad) * 2));margin:34px auto}
.cms-editor-image-block img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain}
.cms-editor-rule{display:block;width:56px;height:4px;min-height:0;margin:18px 0;border:0;background:#c8102e}
.cms-editor-rule.is-vertical{width:4px;height:56px}
.cms-editor-module{width:min(1180px,calc(100% - (var(--w-pad) * 2)));margin:42px auto;padding:36px;box-sizing:border-box;background:#fff}
.cms-editor-module>h2{margin:0 0 14px;color:var(--c-dark);font-family:var(--font-heavy);font-size:28px;line-height:1.4}
.cms-editor-module>p{margin:0;color:var(--c-text);font-size:16px;line-height:1.85}
.cms-editor-module-image-text{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.85fr);gap:32px;align-items:center}
.cms-editor-module-image-text>.cms-editor-module-media img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain}
.cms-editor-module-image-text>.cms-editor-module-copy h2{margin:0 0 14px;color:var(--c-dark);font-family:var(--font-heavy);font-size:28px;line-height:1.4}
.cms-editor-module-image-text>.cms-editor-module-copy p{margin:0;color:var(--c-text);font-size:16px;line-height:1.85}
.cms-editor-module-gallery,.cms-editor-module-carousel,.cms-editor-module-cases,.cms-editor-module-related-products{background:var(--c-gray-bg)}
.cms-container{position:relative;box-sizing:border-box;width:100%}
.cms-container-new:not(.cms-container .cms-container){width:100%!important;max-width:none!important;left:0!important;right:auto!important;margin-left:0!important;margin-right:0!important}
.cms-container-new{min-height:240px}
.cms-container>.cms-container-canvas{position:relative;min-height:inherit}
.cms-container-new>.cms-container-canvas{padding:84px 0;box-sizing:border-box}
.cms-container-new[data-cms-legacy-container="true"]>.cms-container-canvas{padding:0}
.cms-container-white{background-color:#fff}
.cms-container-gray{background-color:var(--c-gray-bg)}
.cms-container-image{background-position:center;background-size:cover;background-repeat:no-repeat}
.cms-container[data-cms-align="left"]{text-align:left}
.cms-container[data-cms-align="center"]{text-align:center}
.cms-container[data-cms-align="right"]{text-align:right}
.cms-container[data-cms-align="vertical-center"]>.cms-container-canvas{display:flex;flex-direction:column;justify-content:center}
.cms-container .cms-container{margin:24px 0;min-height:180px}
.cms-container .cms-editor-heading{max-width:none;margin:0 0 10px;padding:0;font-family:var(--font-heavy);font-size:26px;font-weight:600;letter-spacing:.06em;line-height:1.45}
.cms-container .cms-editor-english-subtitle{display:block;font-family:var(--font-en);font-size:13px;font-weight:400;letter-spacing:.22em;text-transform:uppercase;color:#8a8a8f;margin:0}
.cms-container .cms-editor-paragraph{max-width:none;margin:0 0 18px;padding:0;font-size:16px;line-height:1.9;color:var(--c-text)}
.cms-container .cms-editor-image-block{display:block;max-width:100%;margin:28px auto;padding:0}
.cms-container .cms-editor-image-block img{display:block;max-width:100%;height:auto}
.cms-container .cms-editor-heading+.cms-editor-english-subtitle+.cms-editor-rule{margin:16px 0 40px}
.cms-container .cms-editor-rule+.cms-editor-image-block{margin-top:0}
.cms-container-canvas[data-cms-freeform-canvas="true"]{position:relative}
.cms-container-canvas[data-cms-freeform-canvas="true"]>[data-cms-freeform-item="true"]{position:absolute;margin:0}
@media (max-width:768px){
  .cms-editor-heading{font-size:24px}
  .cms-editor-paragraph{font-size:15px}
  .cms-editor-module{margin:28px auto;padding:24px}
  .cms-editor-module>h2{font-size:23px}
  .cms-editor-module-image-text{grid-template-columns:1fr;gap:18px}
  .cms-container{width:100%!important;max-width:100%!important;height:auto!important;left:0!important;top:0!important}
  .cms-container>.cms-container-canvas{width:min(100% - 32px,1120px);height:auto!important;min-height:0}
.cms-container-new>.cms-container-canvas{padding:56px 0}
  .cms-container .cms-container{width:100%!important;max-width:100%!important;margin:16px 0}
  .cms-container img,.cms-container video{max-width:100%;height:auto}
  .cms-container [data-cms-layout-compensation]{position:static!important;left:auto!important;top:auto!important}
  .cms-container-canvas[data-cms-freeform-canvas="true"]{display:flex!important;flex-direction:column;justify-content:flex-start!important;height:auto!important;min-height:0!important}
  .cms-container-canvas[data-cms-freeform-canvas="true"]>[data-cms-freeform-item="true"]{position:static!important;left:auto!important;top:auto!important;right:auto!important;max-width:100%!important}
  .cms-container-canvas[data-cms-freeform-canvas="true"]>.cms-editor-image-block{width:100%!important;height:auto!important}
  .cms-container .cms-editor-heading{font-size:22px}
  .cms-container .cms-editor-paragraph{font-size:15px;line-height:1.85}
}