/* 興宏圖國際電子材料有限公司官网样式 · 编辑极简（Editorial Minimal）
   设计原则：纸白底、墨色字、陶土红单点强调、发丝线分隔、近直角、无阴影 */

:root {
  --paper: #faf8f3;
  --paper-2: #f2eee6;
  --ink: #14110d;
  --ink-soft: #2b2621;
  --muted: #6f665a;
  --line: #e2dbd0;
  --clay: #a6502b;
  --clay-dark: #8a3f20;
  --radius: 2px;
  /* 兼容变量（后台页面沿用旧命名） */
  --navy: #14110d;
  --navy-2: #2b2621;
  --accent: #a6502b;
  --accent-dark: #8a3f20;
  --bg-soft: #f2eee6;
  --shadow: none;
  font-size: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', 'Helvetica Neue', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

h1, h2, h3 {
  font-family: 'Songti SC', 'STSong', 'SimSun', 'Noto Serif SC', serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--ink);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 30px; border-radius: var(--radius); border: 1px solid var(--ink);
  font-size: 0.94rem; font-weight: 500; letter-spacing: 0.04em;
  transition: background 0.24s cubic-bezier(.2,.6,.2,1), color 0.24s, transform 0.24s, border-color 0.24s;
  white-space: nowrap;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--clay); border-color: var(--clay); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink); background: transparent; }
.btn-white { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-white:hover { background: var(--clay); color: var(--paper); border-color: var(--clay); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 8px 18px; font-size: 0.84rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- 头部 ---------- */
#site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 243, 0.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 36px; height: 80px; }
.brand { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-logo { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-zh { font-size: 1.02rem; font-weight: 600; color: var(--ink); letter-spacing: 0.06em; }
.brand-en { font-size: 0.56rem; letter-spacing: 0.24em; color: var(--muted); text-transform: uppercase; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  position: relative; padding: 8px 14px; font-size: 0.93rem; color: var(--ink-soft);
  font-weight: 400; letter-spacing: 0.03em; transition: color 0.2s;
}
.nav-link::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform 0.28s cubic-bezier(.2,.6,.2,1);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--ink); font-weight: 500; }
.nav-link.active::after { transform: scaleX(1); background: var(--clay); }
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.lang-toggle {
  border: 1px solid var(--line); background: transparent; border-radius: var(--radius);
  padding: 6px 13px; font-size: 0.76rem; letter-spacing: 0.16em; color: var(--muted);
  transition: border-color 0.2s, color 0.2s;
}
.lang-toggle:hover { border-color: var(--ink); color: var(--ink); }
.nav-burger { display: none; background: none; border: none; width: 40px; height: 40px; position: relative; }
.nav-burger span, .nav-burger span::before, .nav-burger span::after {
  content: ''; position: absolute; left: 8px; width: 24px; height: 1px; background: var(--ink); transition: 0.24s;
}
.nav-burger span { top: 19px; }
.nav-burger span::before { top: -7px; }
.nav-burger span::after { top: 7px; }
.nav-burger.open span { background: transparent; }
.nav-burger.open span::before { top: 0; transform: rotate(45deg); }
.nav-burger.open span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background: var(--paper); color: var(--ink);
  padding: 148px 0 0; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; left: 32px; top: 112px; width: 46px; height: 1px; background: var(--clay);
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 88px; align-items: center;
  padding-bottom: 104px;
}
.hero-badge {
  display: inline-block; font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--clay); margin-bottom: 32px; font-weight: 500;
}
.hero h1 {
  font-size: clamp(2.5rem, 4.6vw, 3.7rem); line-height: 1.22; font-weight: 600; letter-spacing: 0.03em;
}
.hero h1 .accent { color: var(--clay); }
.hero p { margin: 32px 0 48px; font-size: 1.06rem; color: var(--muted); max-width: 500px; line-height: 1.95; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { display: flex; justify-content: flex-end; }
.hero-art img { width: 100%; max-width: 440px; }

/* 规格条：让工程师一眼看到关键参数 */
.hero-specs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line); position: relative;
}
.hero-spec {
  padding: 34px 28px 38px 0; border-right: 1px solid var(--line);
}
.hero-spec:last-child { border-right: none; }
.hero-spec + .hero-spec { padding-left: 28px; }
.hero-spec .num {
  font-family: 'Songti SC', 'STSong', 'Times New Roman', serif;
  font-size: clamp(1.9rem, 3vw, 2.5rem); line-height: 1; color: var(--ink); letter-spacing: 0.02em;
}
.hero-spec .num small { font-size: 0.42em; letter-spacing: 0.06em; margin-left: 4px; color: var(--clay); }
.hero-spec .lbl {
  margin-top: 12px; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.hero-spec .desc { margin-top: 6px; font-size: 0.84rem; color: var(--muted); line-height: 1.7; }

/* 信任条 */
.trust-strip { background: var(--ink); color: var(--paper); }
.trust-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 32px;
  padding: 22px 0; font-size: 0.8rem; letter-spacing: 0.1em;
}
.trust-inner span { display: inline-flex; align-items: center; gap: 10px; color: rgba(250,248,243,0.72); }
.trust-inner span::before { content: ''; width: 5px; height: 5px; background: var(--clay); display: inline-block; }

/* ---------- 通用 Section ---------- */
section.block { padding: 132px 0; }
section.block.soft { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 76px; }
.sec-tag {
  font-size: 0.7rem; letter-spacing: 0.32em; color: var(--clay); font-weight: 500; text-transform: uppercase;
}
.sec-head h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); margin: 18px 0 18px; }
.sec-head p { color: var(--muted); font-size: 0.97rem; line-height: 1.85; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card {
  background: var(--paper); display: flex; flex-direction: column;
  transition: background 0.24s ease;
}
.product-card:hover { background: #fffdf8; }
.product-img { aspect-ratio: 4 / 2.6; overflow: hidden; background: var(--paper-2); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s, transform 0.5s cubic-bezier(.2,.6,.2,1); }
.product-card:hover .product-img img { transform: scale(1.02); }
.product-body { padding: 22px 22px 26px; border-top: 1px solid transparent; }
.product-body h3 { font-size: 1.02rem; margin-bottom: 9px; letter-spacing: 0.04em; }
.product-body p { font-size: 0.84rem; color: var(--muted); line-height: 1.75; }
.product-feats { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 5px; }
.product-feats li {
  list-style: none; font-size: 0.76rem; color: var(--ink-soft); letter-spacing: 0.02em;
  position: relative; padding-left: 13px;
}
.product-feats li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 4px; height: 1px; background: var(--clay); }
.center { text-align: center; margin-top: 48px; }

/* 筛选 tabs */
.filter-tabs { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 48px; }
.filter-tabs button {
  padding: 9px 22px; border-radius: var(--radius); border: 1px solid var(--line);
  background: transparent; color: var(--muted); font-size: 0.88rem; letter-spacing: 0.06em; transition: all 0.2s;
}
.filter-tabs button.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.filter-tabs button:not(.active):hover { border-color: var(--ink); color: var(--ink); }

/* ---------- 优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.adv-card {
  padding: 40px 30px 8px 0; border-right: 1px solid var(--line); transition: none;
}
.adv-card:last-child { border-right: none; }
.adv-card + .adv-card { padding-left: 30px; }
.adv-num {
  font-family: 'Songti SC', 'STSong', 'Times New Roman', serif;
  font-size: 0.86rem; letter-spacing: 0.18em; color: var(--clay); line-height: 1;
}
.adv-card h3 { font-size: 1.05rem; margin: 18px 0 10px; letter-spacing: 0.03em; }
.adv-card p { font-size: 0.86rem; color: var(--muted); line-height: 1.8; }

/* ---------- 关于预览 / 文章 ---------- */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-preview h2 { font-size: clamp(1.7rem, 2.6vw, 2.1rem); margin-bottom: 24px; }
.about-preview p { color: var(--muted); margin-bottom: 18px; line-height: 1.9; font-size: 0.96rem; }
.about-media img { width: 100%; border: 1px solid var(--line); }

.prose h2 {
  font-size: 1.42rem; margin: 48px 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--muted); margin-bottom: 14px; text-align: justify; line-height: 1.95; font-size: 0.97rem; }

/* ---------- CTA ---------- */
.cta-band {
  background: var(--ink); color: var(--paper); padding: 88px 0; text-align: center;
}
.cta-band h2 { font-size: clamp(1.5rem, 2.4vw, 1.95rem); color: var(--paper); margin-bottom: 14px; }
.cta-band p { color: rgba(250, 248, 243, 0.62); margin-bottom: 36px; font-size: 0.95rem; }

/* ---------- 页头 banner（内页） ---------- */
.page-banner {
  background: var(--paper-2); color: var(--ink); padding: 96px 0 72px; text-align: center;
  border-bottom: 1px solid var(--line);
}
.page-banner h1 { font-size: clamp(2rem, 3.4vw, 2.6rem); }
.page-banner .sec-tag { color: var(--clay); }
.page-banner p { margin-top: 16px; color: var(--muted); font-size: 0.95rem; }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1px; align-items: stretch; background: var(--line); border: 1px solid var(--line); }
.form-card { background: var(--paper); padding: 44px; }
.form-card h3 { color: var(--ink); margin-bottom: 10px; font-size: 1.22rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.78rem; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.form-field input, .form-field textarea {
  border: none; border-bottom: 1px solid var(--line); border-radius: 0; padding: 10px 0;
  font-size: 0.95rem; font-family: inherit; transition: border-color 0.2s; background: transparent;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.form-field textarea { min-height: 120px; resize: vertical; line-height: 1.8; }
.form-hint { font-size: 0.8rem; color: var(--muted); }
.form-msg { margin-top: 16px; font-size: 0.9rem; display: none; padding: 10px 0; }
.form-msg.ok { display: block; color: #2f6b46; }
.form-msg.err { display: block; color: #a1341f; }

.info-card { background: var(--ink); color: var(--paper); padding: 44px; }
.info-card h3 { color: var(--paper); margin-bottom: 26px; font-size: 1.12rem; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(250, 248, 243, 0.14); }
.info-item:last-child { border-bottom: none; }
.info-item .ico {
  width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--paper); opacity: 0.75; margin-top: 3px;
}
.info-item .ico svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.2; }
.info-item h4 {
  font-size: 0.72rem; color: rgba(250, 248, 243, 0.5); font-weight: 400;
  letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 5px; font-family: inherit;
}
.info-item p { font-size: 0.92rem; line-height: 1.7; color: var(--paper); }
.info-item a:hover { color: #e0a184; }
.info-cta {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 28px;
  padding: 12px 22px; border: 1px solid rgba(250, 248, 243, 0.3);
  color: var(--paper); font-size: 0.84rem; letter-spacing: 0.08em;
  transition: background 0.24s, color 0.24s, border-color 0.24s;
}
.info-cta:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

.mine-card { margin-top: 24px; border: 1px solid var(--line); padding: 30px 34px; background: var(--paper); }
.mine-card h3 { font-size: 1.05rem; margin-bottom: 16px; }
.mine-item { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.mine-item:last-child { border-bottom: none; }
.mine-item .meta { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.mine-empty { color: var(--muted); font-size: 0.88rem; padding: 8px 0; }

/* ---------- 询价内容生成 / 一键发送 ---------- */
@keyframes pop { from { transform: translateY(6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.form-intro { color: var(--muted); font-size: 0.89rem; margin: -2px 0 26px; line-height: 1.8; }
.send-card {
  margin-top: 24px; background: var(--paper-2); border: 1px solid var(--line);
  padding: 34px 38px; animation: pop 0.3s cubic-bezier(.2,.6,.2,1);
}
.send-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.send-hint { color: var(--muted); font-size: 0.88rem; margin-bottom: 20px; }
.send-preview {
  background: var(--paper); border-left: 2px solid var(--clay); padding: 20px 22px;
  font-size: 0.85rem; line-height: 1.9; color: var(--ink-soft);
  white-space: pre-wrap; word-break: break-word; max-height: 280px; overflow-y: auto;
  font-family: inherit;
}
.send-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.send-note { margin-top: 16px; font-size: 0.82rem; color: var(--muted); }
.send-note.ok { color: #2f6b46; }
.send-wechat {
  margin-top: 18px; padding: 14px 0 0; border-top: 1px solid var(--line);
  font-size: 0.88rem; color: var(--muted);
}
.send-wechat strong { color: var(--ink); letter-spacing: 0.06em; }

/* ---------- 新闻资讯 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.news-card {
  background: var(--paper); cursor: pointer; display: flex; flex-direction: column;
  transition: background 0.24s ease;
}
.news-card:hover { background: #fffdf8; }
.news-cover { aspect-ratio: 16 / 9.6; overflow: hidden; background: var(--paper-2); }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(.2,.6,.2,1); }
.news-card:hover .news-cover img { transform: scale(1.02); }
.news-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.news-cat {
  font-size: 0.68rem; letter-spacing: 0.14em; color: var(--clay); text-transform: uppercase;
}
.news-date {
  font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em;
  font-family: 'Songti SC', 'STSong', 'Times New Roman', serif;
}
.news-body h3 { font-size: 1.02rem; line-height: 1.55; margin-bottom: 12px; transition: color 0.2s; }
.news-card:hover .news-body h3 { color: var(--clay); }
.news-body p {
  font-size: 0.85rem; color: var(--muted); line-height: 1.8; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more { margin-top: 18px; font-size: 0.78rem; letter-spacing: 0.12em; color: var(--ink); }
.news-card:hover .news-more { color: var(--clay); }

/* 新闻详情弹窗 */
.article-mask {
  position: fixed; inset: 0; background: rgba(20, 17, 13, 0.62); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.article-mask.show { display: flex; }
.article-card {
  background: var(--paper); width: 100%; max-width: 760px;
  max-height: 86vh; overflow-y: auto; position: relative;
  padding: 52px 60px 44px; box-shadow: 0 30px 70px rgba(20, 17, 13, 0.35);
  animation: pop 0.28s cubic-bezier(.2,.6,.2,1);
}
.article-close {
  position: absolute; top: 16px; right: 22px; border: none; background: none;
  font-size: 1.7rem; line-height: 1; color: var(--muted); font-weight: 300;
}
.article-close:hover { color: var(--ink); }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 24px; margin-bottom: 30px; }
.article-head h1 { font-size: clamp(1.4rem, 2.4vw, 1.68rem); line-height: 1.5; }
.article-body p { color: var(--ink-soft); font-size: 0.96rem; line-height: 2; margin-bottom: 18px; text-align: justify; }
.article-foot { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }

/* ---------- 页脚 ---------- */
#site-footer { background: var(--ink); color: rgba(250, 248, 243, 0.78); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 0.7fr 1fr; gap: 64px; padding: 72px 32px 52px; }
.footer-logo {
  font-family: 'Songti SC', 'STSong', 'SimSun', serif;
  font-size: 1.08rem; font-weight: 600; color: var(--paper); margin-bottom: 18px; letter-spacing: 0.06em;
}
.footer-col p { font-size: 0.86rem; color: rgba(250, 248, 243, 0.55); margin-bottom: 8px; line-height: 1.8; }
.footer-col h4 {
  color: var(--paper); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 20px; font-weight: 400; font-family: inherit;
}
.footer-col a { display: block; font-size: 0.87rem; color: rgba(250, 248, 243, 0.55); padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: #e0a184; }
.footer-bar {
  border-top: 1px solid rgba(250, 248, 243, 0.12); padding: 22px 0;
  font-size: 0.76rem; color: rgba(250, 248, 243, 0.4); letter-spacing: 0.04em;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid, .about-preview, .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-card { border-right: none; padding-right: 0; }
  .adv-card + .adv-card { padding-left: 0; }
  .adv-card:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 28px; }
  .adv-card:nth-child(even) { padding-left: 28px; }
  .adv-card:nth-child(1), .adv-card:nth-child(2) { border-bottom: 1px solid var(--line); padding-bottom: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero { padding: 88px 0 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-art { justify-content: flex-start; }
  .main-nav {
    position: absolute; top: 80px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; padding: 12px 32px 22px; border-bottom: 1px solid var(--line);
    display: none; margin-left: 0; gap: 0;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 12px 0; font-size: 0.95rem; }
  .nav-link::after { left: 0; right: auto; width: 28px; }
  .nav-burger { display: block; }
  .article-card { padding: 40px 28px 32px; }
  .form-card, .info-card { padding: 34px 28px; }
}
@media (max-width: 600px) {
  .container { padding: 0 22px; }
  .product-grid, .adv-grid, .form-grid, .footer-grid, .news-grid { grid-template-columns: 1fr; }
  .adv-card, .adv-card + .adv-card { padding-left: 0; padding-right: 0; border-right: none; }
  .adv-card { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
  .adv-card:last-child { border-bottom: none; padding-bottom: 0; }
  section.block { padding: 76px 0; }
  .hero { padding: 64px 0 68px; }
  .hero::before { top: 44px; left: 22px; }
  .hero h1 { font-size: 1.95rem; }
  .header-inner { height: 68px; }
  .brand-zh { font-size: 0.9rem; }
  .brand-en { font-size: 0.5rem; }
  .main-nav { top: 68px; padding: 12px 22px 20px; }
  .send-card, .article-card { padding: 28px 22px; }
  .sec-head { margin-bottom: 44px; }
}

/* ---------- 产品详情页 ---------- */
a.product-card { text-decoration: none; color: inherit; }
.product-more {
  display: inline-block; margin-top: 16px; font-size: 0.74rem; letter-spacing: 0.1em;
  color: var(--ink); border-bottom: 1px solid var(--line); padding-bottom: 2px;
}
.product-card:hover .product-more { color: var(--clay); border-color: var(--clay); }

.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 0.76rem; color: var(--muted); margin-bottom: 40px; }
.crumb a:hover { color: var(--clay); }
.crumb .sep { color: var(--line); }
.crumb #pdCrumb { color: var(--ink); }

.pd-top { padding: 56px 0 96px; }
.pd-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: start; }
.pd-media { background: var(--paper-2); border: 1px solid var(--line); aspect-ratio: 4 / 3.4; overflow: hidden; }
.pd-media img { width: 100%; height: 100%; object-fit: cover; }
.pd-info h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin: 14px 0 18px; }
.pd-desc { color: var(--muted); font-size: 0.98rem; line-height: 1.95; }
.pd-feats { list-style: none; margin: 28px 0 0; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 9px; }
.pd-feats li { position: relative; padding-left: 16px; font-size: 0.88rem; color: var(--ink-soft); }
.pd-feats li::before { content: ''; position: absolute; left: 0; top: 0.7em; width: 6px; height: 1px; background: var(--clay); }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.pd-note { margin-top: 18px; font-size: 0.78rem; color: var(--muted); }

.pd-detail { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 72px; align-items: start; }
.pd-h2 {
  font-size: 0.74rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--clay);
  font-family: inherit; font-weight: 500; margin-bottom: 22px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.pd-overview .prose p { text-align: left; }
.pd-specs { border-top: 1px solid var(--line); }
.pd-spec-row { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.pd-spec-row dt { font-size: 0.82rem; color: var(--muted); }
.pd-spec-row dd { font-size: 0.88rem; color: var(--ink); }
.pd-help { margin-top: 36px; background: var(--paper); border: 1px solid var(--line); padding: 26px 24px; }
.pd-help h3 { font-size: 1rem; margin-bottom: 10px; }
.pd-help p { font-size: 0.82rem; color: var(--muted); line-height: 1.8; margin-bottom: 18px; }

.pd-apps { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.pd-apps li {
  border: 1px solid var(--line); padding: 12px 20px; font-size: 0.85rem; color: var(--ink-soft); background: var(--paper);
}
.pd-related .product-grid { margin-top: 8px; }

@media (max-width: 960px) {
  .pd-grid, .pd-detail { grid-template-columns: 1fr; gap: 40px; }
  .pd-top { padding: 36px 0 64px; }
  .pd-media { aspect-ratio: 4 / 3; }
}

.pd-thumbs { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.pd-thumbs img {
  width: 78px; height: 62px; object-fit: cover; cursor: pointer;
  border: 1px solid var(--line); opacity: 0.7; transition: opacity 0.15s;
  background: var(--paper-2);
}
.pd-thumbs img.on { border-color: var(--clay); opacity: 1; }
.pd-thumbs img:hover { opacity: 1; }