/*
Theme Name: optics
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: Optics theme - custom homepage layout
Version: 1.0.0
Text Domain: optics
*/

:root{
  --topbar-h: 36px;
  --container: 1200px;
  --dark: #2f2f2f;
  --dark2:#1f1f1f;
  --gray:#f3f5f7;
  --border:#e6e6e6;
  --red:#d40000;
  --text:#222;
}

*{box-sizing:border-box}
body{margin:0;color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* container */
.optics-container{max-width:var(--container);margin:0 auto;padding:0 16px}

/* ===== Top Bar ===== */
.optics-topbar{
  height:var(--topbar-h);
  background:var(--dark);
  color:#ddd;
  font-size:12px;
  display:flex;
  align-items:center;
}
.optics-topbar .optics-container{
  width:1200px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.optics-topbar .left,
.optics-topbar .right{display:flex;align-items:center;gap:16px}
.optics-topbar a{color:#ddd}
.optics-topbar a:hover{color:#fff}

/* ===== Header ===== */
.optics-header{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.optics-header-inner{
  display:flex;align-items:center;gap:18px;
  padding:16px 0;
}
.optics-logo{
  display:flex;align-items:center;gap:10px;min-width:220px;
}
.optics-logo .mark{
  width:42px;height:42px;border-radius:10px;background:#f2f2f2;
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#666;
}
.optics-logo .txt{
  line-height:1.1;
}
.optics-logo .txt .name{font-weight:900}
.optics-logo .txt .sub{font-size:11px;color:#888}

/* nav */
.optics-nav{flex:1}
.optics-nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.optics-nav li a{font-weight:700;color:#333}
.optics-nav li a:hover{color:var(--red)}

/* search */
.optics-search{
  display:flex;align-items:center;gap:0;
  width:360px;max-width:40vw;
}
.optics-search input{
  flex:1;
  height:40px;
  border:1px solid var(--border);
  border-right:0;
  border-radius:3px 0 0 3px;
  padding:0 12px;
  outline:none;
}
.optics-search button{
  width:48px;height:40px;
  border:1px solid var(--red);
  background:var(--red);
  border-radius:0 3px 3px 0;
  color:#fff;
  cursor:pointer;
  font-weight:900;
}
.optics-search button:hover{filter:brightness(.95)}

/* ===== Main layout ===== */
.optics-main{background:#fff;padding:18px 0 26px}
.optics-grid{
  display:grid;
  grid-template-columns:225px 1fr;
  gap:16px;
  align-items:start;
}
@media (max-width: 980px){
  .optics-grid{grid-template-columns:1fr}
  .optics-search{width:100%;max-width:100%}
  .optics-logo{min-width:auto}
}

/* left category panel */
.optics-cats{
  background:#3b3b3b;
  border-radius:2px;
  overflow:hidden;
}
.optics-cats .title{
  padding:14px 14px;
  color:#fff;font-weight:900;
  background:#333;
}
.optics-cats a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;
  color:#eaeaea;
  /*border-top:1px solid rgba(255,255,255,.08);*/
  /*font-weight:700;*/
}
.op-lv2-item a.op-lv2-link{
    color: #000 !important;
}
.op-lv3-item  a.op-lv3-link{
    color: #000 !important;
}
.optics-cats a:hover{background:rgba(255,255,255,.06)}
.optics-cats .arrow{opacity:.8}

/* hero slider (静态版本) */
.optics-hero{
  position:relative;
  background:#111;
  border-radius:2px;
  overflow:hidden;
  min-height:360px;
}
.optics-hero img{
  width:100%;
  height:360px;
  object-fit:cover;
  opacity:.88;
}
.optics-hero .overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.25) 58%, rgba(0,0,0,0) 100%);
}
.optics-hero .content{
  position:absolute;left:34px;top:50%;
  transform:translateY(-50%);
  color:#fff;max-width:520px;
}
.optics-hero .badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#d40000;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:900;
  margin-bottom:10px;
}
.optics-hero h1{
  margin:0 0 10px;
  font-size:42px;line-height:1.05;font-weight:900;
}
.optics-hero p{margin:0 0 16px;color:rgba(255,255,255,.85);font-weight:700;line-height:1.5}
.optics-hero .btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  border:2px solid rgba(255,255,255,.55);
  font-weight:900;
}
.optics-hero .btn:hover{border-color:#fff}

/* right quickbar */
.optics-quickbar{
  position:fixed;
  right:18px;
  top:50%;
  transform:translateY(-40%);
  width:72px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:2px;
  overflow:hidden;
  z-index:999;
}
@media (max-width: 1100px){
  .optics-quickbar{display:none}
}
.optics-quickbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:64px;
  gap:6px;
  border-top:1px solid var(--border);
  font-size:12px;
  color:#555;
}
.optics-quickbar a:first-child{border-top:0}
.optics-quickbar .ico{
  width:22px;height:22px;border-radius:6px;background:#f2f2f2;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#666;
}
.optics-quickbar a:hover{background:#fafafa;color:#111}

/* bottom cards */
.optics-cards{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}
@media (max-width: 980px){
  .optics-cards{grid-template-columns:1fr}
}
.optics-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:2px;
  overflow:hidden;
}
.optics-card .thumb{
  height:140px;background:#e9eef3;
}
.optics-card .thumb img{width:100%;height:140px;object-fit:cover}
.optics-card .label{
  padding:12px 14px;
  font-weight:900;
  color:#111;
}
/* =======================
  Home Blocks (index2/index3)
======================= */
.optics-section{
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 18px 0;
  box-sizing: border-box;
}

.optics-title{
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  color: #111;
  display: flex;
  align-items: center;
  gap: 10px;
}

.optics-tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: #d6001c;
  padding: 3px 6px;
  border-radius: 3px;
}

/* ---------- 新品推荐 ---------- */
.optics-new-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.optics-arrows{
  display:flex;
  gap: 8px;
}
.optics-arrow{
  width: 28px;
  height: 28px;
  border: 1px solid #bfbfbf;
  background: #fff;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: #333;
}
.optics-arrow:hover{ background:#f6f6f6; }

.optics-new-track{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.optics-new-card{
  display:block;
  text-decoration:none;
  color:inherit;
  background:#fff;
  border: 1px solid #eee;
  padding: 18px 14px;
  box-sizing:border-box;
  min-height: 280px;
}
.optics-new-card:hover{ box-shadow: 0 6px 18px rgba(0,0,0,.06); }

.optics-new-img{
  height: 150px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.optics-new-img img{
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display:block;
}

.optics-new-name{
  margin-top: 14px;
  font-size: 14px;
  text-align:center;
  color:#222;
  line-height: 1.4;
  min-height: 40px;
}

.optics-new-foot{
  margin-top: 14px;
  border: 1px solid #888;
  padding: 10px 10px;
  text-align:center;
  font-size: 13px;
  color:#666;
  background:#fff;
}

/* 新品推荐横幅 */
.optics-banner{
  display:block;
  text-decoration:none;
  color:inherit;
  margin-top: 18px;
  border: 1px solid #eee;
  background: linear-gradient(90deg, #b7b6e8 0%, #a8a7d9 45%, #9ea0c9 100%);
  overflow:hidden;
}
/*.optics-banner-inner{*/
/*  display:flex;*/
/*  align-items:center;*/
/*  justify-content:space-between;*/
/*  gap: 18px;*/
/*  padding: 22px 28px;*/
/*  box-sizing: border-box;*/
/*  min-height: 120px;*/
/*}*/
.optics-banner-title{
  font-size: 28px;
  font-weight: 900;
  color:#111;
  margin-bottom: 6px;
}
.optics-banner-sub{
  font-size: 13px;
  color:#111;
  opacity:.85;
  line-height: 1.5;
}
.optics-banner-media img{
  display:block;
  max-width: 520px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ---------- 光学元件 ---------- */
.optics-cat-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin: 22px 0 12px;
}
.optics-viewall{
  text-decoration:none;
  color:#666;
  font-size: 14px;
}
.optics-viewall:hover{ color:#111; }

.optics-cat-grid{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
}

.optics-feature{
  display:block;
  text-decoration:none;
  color:inherit;
  border: 1px solid #eee;
  background:#fff;
  overflow:hidden;
  height: 520px;
  width: 220px;

}
.optics-feature-img{
  /*height: 330px;*/
  background:#f3f6ff;
  display:flex;
  align-items:center;
  justify-content:center;
}
.optics-feature-img img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}
.optics-feature-body{
  padding: 14px 14px 16px;
  box-sizing:border-box;
}
.optics-feature-points{
  list-style:none;
  padding:0;
  margin:0 0 12px;
  color:#555;
  font-size: 13px;
  line-height: 1.8;
}
.optics-feature-en{
  text-align:center;
  color:#111;
}
.optics-feature-en-title{
  font-weight:900;
  font-size: 16px;
}
.optics-feature-en-sub{
  font-weight:800;
  font-size: 12px;
  opacity:.8;
}

.optics-cards{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.optics-mini{
  display:block;
  text-decoration:none;
  color:inherit;
  border: 1px solid #eee;
  background:#fff;
  padding: 14px 12px 12px;
  box-sizing:border-box;
  min-height: 210px;
}
.optics-mini:hover{ box-shadow: 0 6px 18px rgba(0,0,0,.06); }

.optics-mini-img{
  /*height: 120px;*/
  display:flex;
  align-items:center;
  justify-content:center;
}
.optics-mini-img img{
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display:block;
}
.optics-mini-name{
  margin-top: 8px;
  text-align:center;
  font-weight: 800;
  font-size: 14px;
  color:#111;
}
.optics-mini-meta{
  margin-top: 8px;
  text-align:center;
  font-size: 12px;
  color:#666;
}
.optics-red{ color:#d6001c; font-weight:900; }
.optics-blue{ color:#0b59d6; font-weight:900; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px){
  .optics-new-track{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px){
  .optics-cat-grid{ grid-template-columns: 1fr; }
  .optics-cards{ grid-template-columns: repeat(2, 1fr); }
  .optics-banner-inner{ flex-direction: column; align-items:flex-start; }
  .optics-banner-inner img{
      min-height: 60px;
  }
}
@media (max-width: 520px){
  .optics-new-track{ grid-template-columns: 1fr; }
  .optics-cards{ grid-template-columns: 1fr; }
}
/* ====== Home LAST BLOCK ====== */
.op-home-last{background:#fff}

/* container */
.op-container{max-width:1200px;margin:0 auto;padding:0 18px}

/* section header */
.op-sec-head{display:flex;align-items:center;justify-content:space-between;margin:38px 0 14px}
.op-sec-title{font-size:22px;font-weight:700;color:#222;margin:0}
.op-sec-more{font-size:14px;color:#777;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.op-sec-more:hover{color:#111}

/* videos grid */
.op-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-bottom:40px}
@media (max-width:1100px){.op-video-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){.op-video-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.op-video-grid{grid-template-columns:1fr}}

.op-video-card{background:#fff;text-decoration:none;color:#222;display:block}
.op-video-img{position:relative;background:#f6f6f6;aspect-ratio: 16 / 10;display:flex;align-items:center;justify-content:center}
.op-video-img img{width:100%;height:100%;object-fit:contain;display:block}

.op-video-play{
  position:absolute;right:18px;top:50%;
  transform:translateY(-50%);
  width:32px;height:32px;border-radius:999px;
  border:2px solid #d40000;
  color:#d40000;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;line-height:1;
  background:rgba(255,255,255,.95);
}

.op-video-name{
  padding:12px 10px 0;
  font-size:13px;
  color:#333;
  text-align:center;
  line-height:1.35;
}

/* ====== Footer ====== */
.op-footer{background:#fff;padding:22px 0 18px;border-top:1px solid #eee}
.op-foot-badges{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:10px;
  padding:14px 0;
  align-items:center;
}
@media (max-width:980px){.op-foot-badges{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.op-foot-badges{grid-template-columns:repeat(2,1fr)}}

.op-badge{
  display:flex;align-items:center;justify-content:center;
  gap:10px;color:#666;font-size:14px;
}
.op-badge-ico{
  width:34px;height:34px;border-radius:999px;
  border:1px solid #ddd;color:#777;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;background:#fff;
}
.op-badge-txt{white-space:nowrap}

.op-foot-line{height:1px;background:#eee;margin:6px 0 18px}

.op-foot-main{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap:26px;
  align-items:start;
}
@media (max-width:980px){.op-foot-main{grid-template-columns:1fr}}

.op-foot-cols{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
@media (max-width:980px){.op-foot-cols{grid-template-columns:repeat(2,1fr)}}

.op-col-title{font-size:15px;color:#222;font-weight:700;margin-bottom:10px}
.op-col a{
  display:block;
  font-size:13px;
  color:#777;
  text-decoration:none;
  line-height:1.9;
}
.op-col a:hover{color:#111}

.op-foot-contact{
  border-left:1px solid #eee;
  padding-left:22px;
}
@media (max-width:980px){
  .op-foot-contact{border-left:0;padding-left:0;border-top:1px solid #eee;padding-top:18px}
}
.op-phone{font-size:26px;color:#b80000;font-weight:800;margin-top:4px}
.op-time{font-size:12px;color:#777;margin-top:6px}

.op-kf-btn{
  margin-top:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:34px;
  padding:0 16px;
  border:1px solid #ddd;
  border-radius:999px;
  text-decoration:none;
  color:#333;
  background:#fff;
  font-size:13px;
}
.op-kf-btn:hover{border-color:#aaa}

.op-qrs{display:flex;gap:10px;margin-top:12px}
.op-qr{
  width:34px;height:34px;border-radius:6px;
  border:1px solid #eee;
  display:flex;align-items:center;justify-content:center;
  text-decoration:none;color:#666;font-size:12px;
  background:#fff;
}

.op-foot-copy{
  margin-top:18px;
  font-size:12px;
  color:#888;
  line-height:1.7;
  border-top:1px solid #eee;
  padding-top:14px;
}
.op-foot-copy a{color:#888;text-decoration:none}
.op-foot-copy a:hover{color:#111}
.op-icp{margin-left:8px;color:#999}

/* ====== Mega Menu 基础 ====== */
.optics-header { position: relative; z-index: 50; }
.optics-header-inner { position: relative; }

.optics-mega{
  position:absolute;
  left:0;
  top:100%;
  width:100%;
  background:#fff;
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
  border-top: 1px solid #eee;
  display:none;
}
.optics-mega.is-open{ display:block; }
.optics-mega-inner{
  max-width: 1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns: 220px 240px 1fr;
  min-height: 320px;
}

/* 左栏：一级 */
.optics-mega-col-1{
  background:#bdbdbd;
}
.optics-mega-list{
  margin:0; padding:0;
  list-style:none;
}
.optics-mega-item a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 14px;
  text-decoration:none;
  color:#111;
  font-weight:600;
}
.optics-mega-item .arrow{ opacity:.8; }
.optics-mega-col-1 .optics-mega-item{ border-bottom: 1px solid rgba(255,255,255,.25); }
.optics-mega-col-1 .optics-mega-item.is-active a{
  background:#c8102e;
  color:#fff;
}

/* 中栏：二级 */
.optics-mega-col-2{
  background:#fff;
  border-left:1px solid #eee;
  border-right:1px solid #eee;
}
.optics-mega-list-lv2{ display:none; }
.optics-mega-list-lv2.is-show{ display:block; }
.optics-mega-col-2 .optics-mega-item a{
  padding:12px 14px;
  font-weight:600;
}
.optics-mega-col-2 .optics-mega-item.is-active a{
  background:#c8102e;
  color:#fff;
}
/* 二级 hover 直接变红 */
.optics-mega-col-2 .optics-mega-item:hover > a{
  background:#c8102e;
  color:#fff;
}
/* 右侧：三级网格（图标+文字） */
.optics-mega-col-3{
  padding:18px 18px;
  background:#fff;
}
.optics-mega-grid{ display:none; }
.optics-mega-grid.is-show{ display:grid; }
.optics-mega-grid{
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap:16px 18px;
  align-content:start;
}

.optics-mega-card{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:#111;
  padding:10px 12px;
  border-radius:10px;
}
.optics-mega-card:hover{
  background:#fafafa;
}
.optics-mega-card .ico{
  width:34px;height:34px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#f2f2f2;
  overflow:hidden;
  flex:0 0 34px;
}
.optics-mega-card .ico img{ width:100%; height:100%; object-fit:cover; }
.optics-mega-card .ico-dot{
  width:16px;height:16px;border-radius:999px;
  background:#c8102e;
  box-shadow: 0 2px 8px rgba(200,16,46,.25);
}
.optics-mega-card .name{
  font-size:14px;
  font-weight:600;
}

/* 空状态 */
.optics-mega-empty{
  padding:14px;
  color:#666;
  font-size:13px;
}

/* 响应式：窄屏可以先直接不显示 mega（避免挡住） */
@media (max-width: 980px){
  .optics-mega{ display:none !important; }
}

/* ===== 顶部黑条：让文字与 Logo 左边对齐 ===== */
:root{
  --op-container: 1200px;  /* 你页面主体容器宽度，按你主题实际改 */
  --op-pad: 16px;          /* 左右内边距 */
}

/* 顶部黑条/头部/主体统一容器 */
.op-container,
.optics-container,
.site-header .container,
.topbar .container,
.header-top .container{
  max-width: var(--op-container);
  margin: 0 auto;
  padding-left: var(--op-pad);
  padding-right: var(--op-pad);
}

/* 顶部文字强制靠左（防止主题把它居中） */
.topbar .container,
.header-top .container{
  display:flex;
  justify-content:flex-start;
  align-items:center;
  gap:12px;
}
/* ===== Hero 幻灯片（极简版，不依赖插件）===== */
.optics-hero--slider{ position: relative; overflow:hidden; }
.optics-hero-track{
  display:flex;
  width:100%;
  overflow:hidden;
  scroll-snap-type:x mandatory;
}
.optics-hero-slide{
  flex:0 0 100%;
  display:block;
  scroll-snap-align:start;
}
.optics-hero-slide img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}

/* ===== Hero 下方 4 个通栏广告位 ===== */
.optics-hero-ads{
  margin-top: 12px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.optics-hero-ad{
  display:block;
  border:1px solid #e5e5e5;
  background:#fff;
}
.optics-hero-ad img{
  width:100%;
  height:160px; /* 你可以改高度 */
  object-fit:cover;
  display:block;
}

@media (max-width: 992px){
  .optics-hero-ads{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px){
  .optics-hero-ad img{ height:120px; }
}
/* 让左侧分类 和 右侧 Banner 无缝贴合 */
.optics-grid{
  gap: 0 !important;              /* 关键：去掉两列之间的空隙 */
}

/* 如果你还想要一条分割线（可选），打开这行 */
.optics-hero{ border-left: 1px solid #e5e5e5; }
/* 4个广告位通栏：跨越左侧+右侧两列 */
.optics-hero-ads--full{
  grid-column: 1 / -1;     /* ✅ 关键：跨越整个网格 */
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.optics-hero-ad{
  display:block;
  border:1px solid #e5e5e5;
  background:#fff;
}

.optics-hero-ad img{
  width:100%;
  height:160px;
  object-fit:cover;
  display:block;
}

@media (max-width: 992px){
  .optics-hero-ads--full{ grid-template-columns: repeat(2, 1fr); }
}