@charset "utf-8";

/* ============================================================
   北欧简约风 — indexchuck 产品页
   配色：暖白底 + 哑光深青 + 浅灰绿辅色
   ============================================================ */

:root {
  --c-bg:        #f8f8f6;   /* 页面底色：暖白 */
  --c-surface:   #ffffff;   /* 卡片/表格底色 */
  --c-alt:       #f2f4f1;   /* 交替行/次级背景 */
  --c-teal:      #3a6460;   /* 主色：哑光深青 */
  --c-teal-lt:   #e4edeb;   /* 浅青（表头、高亮） */
  --c-border:    #dfe0da;   /* 细线边框 */
  --c-text:      #232321;   /* 主文字 */
  --c-muted:     #767870;   /* 辅助文字 */
  --c-link:      #3a6460;
  --radius:      6px;
  --shadow:      0 2px 12px rgba(0,0,0,0.06);
}

/* ---- Reset ------------------------------------------------- */
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg);
  margin: 0;
  padding: 0;
}
a { color: inherit; text-decoration: none; }

/* ---- Hero 区（视频 + 标题 + 要点） ----------------------- */
.rubberchuck1 {
  background: var(--c-surface);
  padding: 0 0 48px;
  width: 100%;
}
/* ---- 视频触发按钮 ----------------------------------------- */
.video-trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 28px 0 20px;
  user-select: none;
}
.video-trigger:hover .play-icon {
  background: var(--c-teal);
  color: #fff;
  transform: scale(1.08);
}
.play-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--c-teal);
  color: var(--c-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  padding-left: 4px;
  transition: background 0.2s, transform 0.2s;
}
.video-trigger span {
  font-size: 13px;
  color: var(--c-teal);
  letter-spacing: 0.06em;
}

/* ---- 视频弹窗 --------------------------------------------- */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.video-modal.open {
  display: flex;
}
.video-modal-inner {
  position: relative;
  width: 90%;
  max-width: 640px;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.video-modal-inner video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
}
.video-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  backdrop-filter: blur(4px);
}
.video-close:hover {
  background: rgba(255,255,255,0.3);
}
.rubberchuck1 h1 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--c-text);
  text-align: center;
  margin: 36px auto 24px;
  max-width: 760px;
  padding: 0 20px;
  line-height: 1.5;
}
.rubberchuck1 .jieshao {
  max-width: 780px;
  margin: 0 auto 24px;
  padding: 0 20px;
}
.rubberchuck1 .jieshao p {
  font-size: 15px;
  line-height: 1.9;
  color: #3a3a38;
  margin: 0;
}
.rubberchuck1 span {
  display: block;
  padding: 3px 0;
}

/* ---- 产品主图 --------------------------------------------- */
.img1 {
  max-width: 560px;
  margin: 28px auto;
  padding: 0 20px;
}
.img1 img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

/* ---- 强调文字 ad1 ----------------------------------------- */
.ad1 p {
  font-size: 15px;
  font-weight: 400;
  color: var(--c-teal);
  text-align: center;
  margin: 12px auto 0;
  padding: 0 20px;
  letter-spacing: 0.02em;
}

/* ---- CTA 按钮 --------------------------------------------- */
.buybutton52chuck {
  text-align: center;
  margin: 28px auto;
}
.buybutton52chuck a,
.buybutton52chuck p a {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-surface);
  background: var(--c-teal);
  padding: 11px 32px;
  border-radius: 3px;
  letter-spacing: 0.06em;
  transition: background 0.2s;
  cursor: pointer;
}
.buybutton52chuck a:hover {
  background: #2e504d;
}
.buybutton52chuck p {
  margin: 0;
  font-size: 14px;
}

/* ---- 通用内容区 .indexchuck ------------------------------ */
.indexchuck {
  background: var(--c-bg);
  width: 100%;
  padding: 52px 20px;
  box-sizing: border-box;
}
.indexchuck:nth-child(even) {
  background: var(--c-surface);
}
.indexchuck h2 {
  font-size: 20px;
  font-weight: 400;
  color: var(--c-text);
  text-align: center;
  margin: 0 auto 28px;
  letter-spacing: 0.06em;
  position: relative;
}
.indexchuck h2::after {
  content: '';
  display: block;
  width: 36px;
  height: 2px;
  background: var(--c-teal);
  margin: 10px auto 0;
  border-radius: 1px;
}
.indexchuck .jieshao {
  max-width: 800px;
  margin: 0 auto 24px;
}
.indexchuck .jieshao p {
  font-size: 15px;
  line-height: 1.9;
  color: #3a3a38;
  text-align: left;
  margin: 0;
}
.indexchuck span {
  display: block;
  padding: 3px 0;
}

/* ---- 规格参数表 ------------------------------------------- */
.spec-table-wrap {
  max-width: 900px;
  margin: 0 auto 24px;
  background: var(--c-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  overflow-x: auto;
}
.spec-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: center;
  white-space: nowrap;
}
.spec-table-wrap thead tr {
  background: var(--c-teal-lt);
}
.spec-table-wrap thead th {
  padding: 13px 14px;
  font-weight: 500;
  color: var(--c-teal);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}
.spec-table-wrap tbody tr {
  border-bottom: 1px solid #eeede8;
  transition: background 0.15s;
}
.spec-table-wrap tbody tr:last-child {
  border-bottom: none;
}
.spec-table-wrap tbody tr:hover {
  background: #f5f7f4;
}
.spec-table-wrap tbody td {
  padding: 11px 14px;
  color: var(--c-text);
  font-size: 13px;
}
.spec-table-wrap tbody td:first-child {
  font-weight: 600;
  color: var(--c-teal);
  text-align: left;
  padding-left: 20px;
}
.spec-note {
  font-size: 12px;
  color: var(--c-muted);
  max-width: 900px;
  margin: 8px auto 0;
  padding: 0 4px;
  line-height: 1.7;
}

/* ---- 系统组成表 ------------------------------------------- */
.system-table-wrap {
  max-width: 760px;
  margin: 0 auto 24px;
  background: var(--c-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.system-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.system-table-wrap thead tr {
  background: var(--c-teal-lt);
}
.system-table-wrap thead th {
  padding: 12px 16px;
  font-weight: 500;
  color: var(--c-teal);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--c-border);
}
.system-table-wrap tbody tr {
  border-bottom: 1px solid #eeede8;
}
.system-table-wrap tbody tr:last-child { border-bottom: none; }
.system-table-wrap tbody tr:hover { background: #f5f7f4; }
.system-table-wrap tbody td {
  padding: 11px 16px;
  color: var(--c-text);
  vertical-align: top;
}
.system-table-wrap tbody td:first-child {
  text-align: center;
  width: 48px;
  font-weight: 600;
  color: var(--c-teal);
}

/* ---- 客户案例卡片 ----------------------------------------- */
.case-card {
  max-width: 800px;
  margin: 0 auto 20px;
  padding: 24px 28px;
  background: var(--c-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 3px solid var(--c-teal);
}
.case-card h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-teal);
  margin: 0 0 10px;
}
.case-card p {
  font-size: 14px;
  line-height: 1.9;
  color: #4a4a47;
  margin: 0;
}

/* ---- FAQ -------------------------------------------------- */
.faq-item {
  max-width: 800px;
  margin: 0 auto;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-border);
}
.faq-item:last-of-type { border-bottom: none; }
.faq-q {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text);
  margin: 0 0 8px;
}
.faq-a {
  font-size: 14px;
  line-height: 1.9;
  color: #555552;
  margin: 0;
}

/* ---- 工件图片 --------------------------------------------- */
.image-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 960px;
  margin: 24px auto;
}
.image-container img {
  width: 280px;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

/* ---- 响应式 ----------------------------------------------- */
@media (max-width: 768px) {
  .rubberchuck1 h1 { font-size: 20px; }
  .indexchuck { padding: 40px 16px; }
  .image-container img { width: 100%; height: 220px; max-width: 320px; }
  .case-card { padding: 18px 16px; }
  .spec-table-wrap thead th,
  .spec-table-wrap tbody td { padding: 9px 8px; }
}