/* ============================================================================
   ChipWorld — Home page composition
   ----------------------------------------------------------------------------
   只放「首页编排层」的规则：区块间距、跨组件组合、以及针对本页的响应式微调。
   组件本身的样式一律留在 components.css，换页面时不带走。
   ========================================================================== */

/* ==== 区块节奏 ============================================================= */
.section--tight { padding-block: calc(var(--section-py) * 0.68); }

/* Hero 与数据条之间不留双重边框 */
.hero + .stats { margin-top: 0; }

/* 品牌墙区块：标题与滚动条之间收紧间距 */
#brands .section-head { margin-bottom: var(--sp-5); }

/* ==== 语言切换的可见性编排（三个位置，同一视口只出现一处） ================ */
.topbar .lang { display: none; }
@media (min-width: 768px) {
  .topbar .lang { display: inline-flex; }
}

/* ==== Hero 移动端：先文字后视觉，且视觉缩小不抢 LCP ======================== */
@media (max-width: 767px) {
  .hero { padding-top: var(--sp-6); }
  /* 手机上芯片缩到 240px：保留「第一眼科技感」，又不把 H1 挤出首屏 */
  .hero-chip { width: min(64%, 240px); }
  .hero__title { letter-spacing: -.028em; }
  .hero__lead { font-size: 1rem; }
  .partsearch { margin-top: var(--sp-5); }
  /* 搜索框按钮在窄屏收成图标宽度，避免挤压输入区 */
  .partsearch__box { padding-left: var(--sp-3); }
  .partsearch__box .btn { padding-inline: 16px; }
  .hero__cta { gap: var(--sp-2); }
  .hero__cta .btn { flex: 1 1 100%; }
}

/* ==== 品牌墙：减少动效时改为静态换行，并隐藏重复副本 ====================== */
@media (prefers-reduced-motion: reduce) {
  .marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }
  .marquee__track {
    flex-wrap: wrap;
    width: auto;
    justify-content: center;
    gap: var(--sp-2);
    animation: none;
  }
  .marquee__item[data-dup] { display: none; }
}

/* 触屏设备：hover 无法表达，用常亮的弱描边保证可点感知 */
@media (hover: none) {
  .cat-card,
  .svc-card,
  .brand-chip,
  .why__item { border-color: var(--line-default); }
  .cat-card:active,
  .svc-card:active,
  .brand-chip:active { transform: scale(.99); }
}

/* ==== 询盘区：左右两栏在小屏改为上下，表单优先 ============================ */
@media (max-width: 1023px) {
  .rfq__grid { display: flex; flex-direction: column; }
  .rfq__intro { order: 1; }
  #rfqPanel { order: 2; }
}

/* ==== 打印：深色站的打印输出基本无意义，做最低成本的可用降级 ============== */
@media print {
  .bg-grid,
  .bg-aurora,
  .hero__canvas,
  .hero__scan,
  .mobile-bar,
  .topbar,
  .mnav,
  .toast,
  .hero__visual { display: none !important; }

  body {
    background: #fff !important;
    color: #111 !important;
  }
  .site-header { position: static; }
  a { color: #111 !important; text-decoration: underline; }
}

/* ============================================================
   内页（二级页面）通用样式
   用途：多页面站点的正文区块。复用首页的令牌与玻璃质感，
   不新增颜色，只复用 --bg-card / --accent-* 等已有变量。
   ============================================================ */

.crumbs { margin: 0 0 28px; }
.crumbs ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  list-style: none; margin: 0; padding: 0;
  font-size: 13px; letter-spacing: .01em;
}
.crumbs li { color: var(--text-muted, #8E85AB); }
.crumbs li + li::before { content: "／"; margin-right: 8px; opacity: .5; }
.crumbs a { color: var(--text-muted, #8E85AB); text-decoration: none; transition: color .18s ease; }
.crumbs a:hover { color: var(--violet-300, #A080E0); }
.crumbs [aria-current="page"] { color: var(--text-primary, #EFEBFF); }

.panel {
  margin: 0 0 22px; padding: 26px 28px;
  border-radius: 18px;
  border: 1px solid rgba(160,128,224,.22);
  background: rgba(21,14,46,.5);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.panel h2 {
  margin: 0 0 14px; font-size: 20px; font-weight: 700; letter-spacing: -.01em;
  color: var(--text-primary, #EFEBFF);
}

.page-lead {
  margin: 0 0 26px; max-width: 68ch;
  font-size: 17px; line-height: 1.65; color: var(--text-secondary, #B7AFD4);
}

.page-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 11px; }
.page-list li {
  position: relative; padding-left: 22px;
  font-size: 15.5px; line-height: 1.6; color: var(--text-secondary, #B7AFD4);
}
.page-list li::before {
  content: ""; position: absolute; left: 2px; top: 8px;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--violet-500, #7C5CFF);
  box-shadow: 0 0 10px rgba(124,92,255,.6);
}

.page-note {
  margin: 14px 0 0; font-size: 13.5px; line-height: 1.6;
  color: var(--text-muted, #8E85AB);
}
.panel .page-note:first-child { margin-top: 0; }

.page-cta {
  margin: 42px 0 0; padding: 38px 34px;
  border-radius: 22px; text-align: center;
  border: 1px solid rgba(124,92,255,.3);
  background:
    radial-gradient(circle at 50% 0%, rgba(124,92,255,.18), transparent 70%),
    rgba(21,14,46,.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.page-cta h2 {
  margin: 0 0 10px; font-size: 24px; font-weight: 800; letter-spacing: -.02em;
  color: var(--text-primary, #EFEBFF);
}
.page-cta p {
  margin: 0 auto 24px; max-width: 56ch;
  font-size: 15.5px; line-height: 1.6; color: var(--text-secondary, #B7AFD4);
}
.page-cta__btns {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}

@media (max-width: 640px) {
  .panel { padding: 20px 18px; border-radius: 14px; }
  .page-cta { padding: 28px 18px; border-radius: 16px; }
  .page-cta h2 { font-size: 20px; }
  .crumbs ol { font-size: 12px; }
}

/* ============================================================================
   新闻与产品（由 data/news.json 与 data/products.json 驱动）
   ========================================================================== */

.news-list { display: grid; gap: 14px; }

.news-item {
  position: relative; /* 拉伸链接的定位上下文 */
  display: block;
  padding: 22px 24px;
  border-radius: 16px;
  border: 1px solid var(--line-default);
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  text-decoration: none;
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out),
              background-color 200ms var(--ease-out);
}
.news-item:hover {
  transform: translateY(-3px);
  border-color: rgba(160, 128, 224, .5);
  background: var(--glass-bg-strong);
}
.news-item--lead {
  padding: 28px 30px;
  border-color: rgba(124, 92, 255, .34);
  background:
    radial-gradient(circle at 12% 0%, rgba(124, 92, 255, .14), transparent 62%),
    var(--glass-bg);
}
.news-item__meta {
  display: block;
  margin-bottom: 8px;
  font: 500 11.5px/1.4 var(--font-mono, ui-monospace, monospace);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
/* 拉伸链接：整张卡可点，但避免 <a> 嵌套（HTML 不允许，浏览器会拆散结构）。
   标题里的 <a> 用 ::after 铺满整卡；内部的标签链接靠 z-index 抬到上层仍可点。 */
.news-item__link { color: inherit; text-decoration: none; }
.news-item__link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.news-item__link:focus-visible { outline: none; }
.news-item:focus-within {
  border-color: rgba(160, 128, 224, .5);
  box-shadow: 0 0 0 2px rgba(124, 92, 255, .35);
}

.news-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.012em;
  line-height: 1.32;
  color: var(--text-primary);
}
.news-item--lead .news-item__title { font-size: 22px; }
.news-item:hover .news-item__title { color: var(--violet-300); }
.news-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--text-secondary);
}
.news-item__tags {
  position: relative; /* 抬到拉伸链接之上，标签仍可单独点击 */
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.news-tag {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-default);
  font: 500 11.5px/1.5 var(--font-mono, ui-monospace, monospace);
  color: var(--text-muted);
  text-decoration: none;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}
.news-tag:hover { color: var(--violet-300); border-color: rgba(160, 128, 224, .5); }

.news-date {
  margin: 0 0 18px;
  font: 500 12.5px/1.4 var(--font-mono, ui-monospace, monospace);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.news-body__p {
  margin: 0 0 16px;
  max-width: 72ch;
  font-size: 16.5px;
  line-height: 1.68;
  color: var(--text-secondary);
}
.news-body__p:first-child { color: var(--text-primary); font-size: 17.5px; }

/* 参数表：料号页与「 наличие 」区块共用 */
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th,
.spec-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-default);
}
.spec-table th {
  width: 34%;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}
.spec-table td { color: var(--text-primary); }
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: 0; }

/* ============================================================================
   料号实拍图 —— 已经打好水印，前端只负责排版
   多图时横向排，窄屏自动换行；图片本身已是 WebP 且长边 ≤1200，
   所以这里只管比例和间距，不做缩放变换（避免二次模糊）
   ========================================================================== */
.part-photo {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 22px;
}
.part-photo img {
  /* 尺寸统一：所有实拍图占同一个 4:3 画框，横图竖图都不变形（contain 留边，
     不裁切管装那种竖构图）。高度封顶避免大图把首屏顶下去。 */
  flex: 0 0 auto;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4 / 3;
  max-height: 360px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line-default);
  background: var(--bg-elev-1);
  display: block;
}

/* 首页「新到货」—— 带实拍图的库存条目自动上首页。
   照片统一 4:3 裁切填满（object-fit: cover）：缩略图里留白边会显得像占位图。 */
.novinki-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.novinki-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--line-default);
  border-radius: 16px;
  overflow: hidden;
  background: var(--glass-bg);
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.novinki-card:hover { transform: translateY(-3px); border-color: rgba(160, 128, 224, .5); }
.novinki-card__pic {
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  overflow: hidden;
}
.novinki-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.novinki-card__body { padding: 14px 16px 16px; }
.novinki-card__brand {
  font: 500 11.5px/1.4 var(--font-mono, ui-monospace, monospace);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--violet-300);
}
.novinki-card h3 {
  margin: 6px 0;
  font: 600 16px/1.4 var(--font-mono, ui-monospace, monospace);
  color: var(--text-primary);
  overflow-wrap: anywhere;
}
.novinki-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.novinki-more {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 18px;
}
@media (max-width: 1023px) {
  .novinki-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .novinki-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .novinki-card__body { padding: 11px 12px 13px; }
  .novinki-card h3 { font-size: 14.5px; }
}

/* /about/ —— 公司实景与团队。照片统一 4:3 裁切，混着竖构图也不会把栅格搞乱。 */
.about-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 26px;
}
.about-photo { margin: 0; min-width: 0; }
.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line-default);
  background: var(--bg-card);
  display: block;
}
.about-photo figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 4px 0 26px;
}
.team-card { text-align: center; min-width: 0; }
.team-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line-default);
  background: var(--bg-card);
  display: block;
}
.team-card h3 {
  margin: 12px 0 4px;
  font-size: 17px;
  color: var(--text-primary);
}
.team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}
@media (max-width: 780px) {
  .about-gallery, .team-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .team-grid { grid-template-columns: 1fr; }
}

/* 库存总表 /parts/stock/ —— 一屏 200 行，7466 条分 38 页
   要点：① 窄屏横向滚动而不是压缩列宽（料号会被压成两行很难读）
         ② 表头 sticky，翻到第 200 行还知道哪列是什么
         ③ 料号等宽字体，避免 0/O、1/l 看混
   ========================================================================== */
.stock-table-wrap {
  margin-top: 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-default);
  border-radius: 14px;
  background: var(--bg-elev-1);
}
.stock-table {
  width: 100%;
  min-width: 680px;               /* 低于这个宽度就横向滚，不折行压扁 */
  border-collapse: collapse;
  font-size: 14px;
}
.stock-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-elev-3);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.stock-table tbody td {
  padding: 10px 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--line-subtle);
  vertical-align: middle;
}
.stock-table tbody tr:last-child td { border-bottom: 0; }
.stock-table tbody tr:hover td { background: var(--bg-elev-2); }
.stock-table__part {
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13.5px;
  letter-spacing: 0.01em;
}
.stock-table__part a { color: var(--text-link); text-decoration: none; }
.stock-table__part a:hover { color: var(--glow-100); text-decoration: underline; }
.stock-table__qty { text-align: right; white-space: nowrap; color: var(--text-primary); }
.stock-table__dc,
.stock-table__pkg { white-space: nowrap; }

.stock-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 14px;
}
.stock-pager__num,
.stock-pager__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line-default);
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 0.18s, color 0.18s, background 0.18s;
}
.stock-pager__num:hover,
.stock-pager__step:hover {
  border-color: var(--line-accent);
  color: var(--text-primary);
  background: var(--bg-elev-2);
}
.stock-pager__num.is-current {
  border-color: var(--line-accent);
  background: var(--bg-elev-3);
  color: var(--text-primary);
  font-weight: 600;
  cursor: default;
}
.stock-pager__gap { color: var(--text-disabled); padding: 0 2px; }

@media (max-width: 640px) {
  .news-item { padding: 18px 16px; border-radius: 13px; }
  .news-item--lead { padding: 20px 18px; }
  .news-item__title { font-size: 16.5px; }
  .news-item--lead .news-item__title { font-size: 18.5px; }
  .spec-table th { width: 42%; white-space: normal; }
  .stock-table { font-size: 13px; }
  .stock-table thead th,
  .stock-table tbody td { padding: 9px 11px; }
  .stock-pager { font-size: 13px; }
  .stock-pager__num,
  .stock-pager__step { min-width: 34px; height: 34px; padding: 0 9px; }
}