/* ===== PromoGearX - Promotional Marketing Materials ===== */
:root {
  --navy: #0e2439;
  --navy-light: #173954;
  --navy-deep: #081825;
  --accent: #ff5a2e;
  --accent-hover: #e8481d;
  --accent-soft: rgba(255, 90, 46, 0.10);
  --white: #ffffff;
  --gray-50: #f7f8fa;
  --gray-100: #eef1f4;
  --gray-200: #dde2e7;
  --gray-400: #8b95a1;
  --gray-600: #4a5568;
  --ink: #16202b;
  --green: #1f9d55;
  --amber: #b7791f;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 24px rgba(14, 36, 57, 0.12);
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: var(--white);
}

/* ===== Navigation ===== */
.nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 900;
  color: var(--white);
}

.logo span.x { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, rgba(14,36,57,0.94) 0%, rgba(23,57,84,0.92) 100%);
  color: var(--white);
  padding: 96px 24px 84px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -45%;
  right: -18%;
  width: 620px;
  height: 620px;
  border: 60px solid rgba(255,90,46,0.07);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -32%;
  left: -8%;
  width: 420px;
  height: 420px;
  border: 40px solid rgba(255,255,255,0.03);
  border-radius: 50%;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 36px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-outline {
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--white);
  margin-left: 12px;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--navy-light); transform: translateY(-1px); }

/* ===== Sections ===== */
.section { padding: 80px 24px; }
.section-gray { background: var(--gray-50); }
.section-inner { max-width: var(--max-width); margin: 0 auto; }

.section-label {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 640px;
  margin-bottom: 44px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

/* ===== Category tiles ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.cat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.25s;
  position: relative;
}

.cat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cat-card .icon {
  width: 52px;
  height: 52px;
  background: var(--accent-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.cat-card .icon svg { width: 26px; height: 26px; }

.cat-card .cat-cover {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--gray-50);
  position: relative;
}
.cat-card .cat-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
.cat-card:hover .cat-cover img { transform: scale(1.05); }

.cat-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.cat-card p { font-size: 14px; color: var(--gray-600); line-height: 1.5; }

.cat-count {
  position: absolute;
  top: 22px;
  right: 22px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-400);
  background: var(--gray-50);
  border-radius: 20px;
  padding: 3px 10px;
}

/* ===== Product cards ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: all 0.25s;
}

.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.p-thumb {
  aspect-ratio: 3 / 2;   /* 与产品图比例一致，整张图完整显示不裁切 */
  height: auto;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  position: relative;
  border-bottom: 1px solid var(--gray-200);
}

.p-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; padding: 10px; box-sizing: border-box; }
.p-thumb .ph-icon { color: #b6c0cc; }
.p-thumb .ph-icon svg { width: 46px; height: 46px; }
.p-thumb .ph-txt {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #9aa5b1;
}

.p-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 4px 9px;
  border-radius: 4px;
  text-transform: uppercase;
}

.p-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }

.p-code {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.product-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.35;
}

.product-card .p-desc {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 16px;
  flex: 1;
}

.p-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  border-top: 1px solid var(--gray-100);
  padding-top: 14px;
  margin-top: auto;
}

.p-specs div { font-size: 12.5px; color: var(--gray-600); }
.p-specs span { display: block; font-size: 11px; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.4px; }
.p-specs strong { color: var(--ink); font-weight: 600; }

.p-updated {
  margin-top: 14px;
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
}

/* ===== Filter bar ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.chip {
  padding: 8px 16px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.chip:hover { border-color: var(--navy); color: var(--navy); }
.chip.active { background: var(--navy); border-color: var(--navy); color: var(--white); }

.search-box {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--white);
  min-width: 240px;
}

.search-box input {
  border: none;
  outline: none;
  padding: 11px 0;
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  color: var(--ink);
}

.result-count {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 28px;
}

.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--gray-400);
  border: 1px dashed var(--gray-200);
  border-radius: var(--radius);
}

/* ===== Why us / process ===== */
.why-item { display: flex; gap: 16px; align-items: flex-start; }

.why-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  font-weight: 800;
}

.why-item h3 { font-size: 16px; font-weight: 600; color: var(--navy); margin-bottom: 4px; }
.why-item p { font-size: 14px; color: var(--gray-600); }

/* ===== Process steps ===== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: step; }

.step { position: relative; padding-top: 8px; }

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 16px;
}

.step h4 { font-size: 15px; font-weight: 600; color: var(--navy); margin-bottom: 4px; }
.step p { font-size: 13.5px; color: var(--gray-600); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--accent);
  padding: 60px 24px;
  text-align: center;
}

.cta-banner h2 { font-size: 28px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.cta-banner p { font-size: 16px; color: rgba(255,255,255,0.92); margin-bottom: 28px; }
.cta-banner .btn { background: var(--navy); color: var(--white); font-size: 16px; padding: 16px 40px; }
.cta-banner .btn:hover { background: var(--navy-light); }

/* ===== Footer ===== */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer h4 { color: var(--white); font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer p { font-size: 14px; line-height: 1.6; margin-bottom: 8px; }
.footer a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
  display: block;
  margin-bottom: 8px;
}
.footer a:hover { color: var(--accent); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== Page banner ===== */
.page-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 60px 24px;
  text-align: center;
}

.page-banner h1 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.75); }

/* ===== Sample / spec sheet ===== */
.notice {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 18px 20px;
  margin-bottom: 36px;
  font-size: 14.5px;
  color: var(--gray-600);
}

.notice strong { color: var(--navy); }

.sample-block { margin-bottom: 52px; }

.sample-block > h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sample-block > h2 .tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-400);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 2px 10px;
}

.spec-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  scroll-margin-top: 80px;
}

.spec-head {
  display: flex;
  gap: 20px;
  padding: 20px;
  border-bottom: 1px solid var(--gray-100);
  align-items: center;
}

.spec-shot {
  flex-shrink: 0;
  width: 192px;
  height: 132px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #9aa5b1;
  overflow: hidden;
}

/* contain = 整张图完整显示（不裁切）；内边距让照片在框里留白，看起来更清楚 */
.spec-shot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  box-sizing: border-box;
  display: block;
}
.spec-shot .ss-txt { font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; }
.spec-shot svg { width: 30px; height: 30px; color: #b6c0cc; }

.spec-head-text { flex: 1; min-width: 0; }

.spec-head-text h3 { font-size: 19px; font-weight: 600; color: var(--navy); margin-bottom: 4px; }

.spec-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
  color: var(--gray-600);
}

.spec-meta code {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 1px 7px;
  font-size: 12px;
  color: var(--navy);
  font-weight: 600;
}

.status {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 3px 9px;
  border-radius: 4px;
  text-transform: uppercase;
}

.status.draft { background: #fdf0e6; color: var(--amber); }
.status.live { background: #e8f6ee; color: var(--green); }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }

.spec-table th {
  width: 190px;
  text-align: left;
  padding: 11px 20px;
  font-weight: 600;
  font-size: 13px;
  color: var(--gray-600);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}

.spec-table td {
  padding: 11px 20px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--ink);
}

.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.tbd { color: var(--gray-400); font-style: italic; }

.spec-foot {
  padding: 14px 20px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  font-size: 13px;
  color: var(--gray-600);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Legend / how-to ===== */
.legend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 32px; }

.legend-item { display: flex; gap: 12px; }

.legend-key {
  flex-shrink: 0;
  min-width: 108px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--navy);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 2px 8px;
  height: fit-content;
  text-align: center;
}

.legend-item p { font-size: 13.5px; color: var(--gray-600); }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-image {
  background: var(--gray-100);
  border-radius: var(--radius);
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 15px;
  overflow: hidden;
}

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.stat {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
}

.stat .num { font-size: 30px; font-weight: 800; color: var(--accent); line-height: 1.1; }
.stat .lbl { font-size: 13px; color: var(--gray-600); margin-top: 6px; }

/* ===== Shipping (direct from China) ===== */
.ship-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: all 0.25s;
}

.ship-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }

.ship-time {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  background: var(--navy);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 14px;
}

.ship-item h4 { font-size: 17px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.ship-item p { font-size: 14px; color: var(--gray-600); }

/* ===== Positioning strip ===== */
.role-strip {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.85);
  padding: 16px 24px;
  text-align: center;
  font-size: 14.5px;
  letter-spacing: 0.2px;
}

.role-strip strong { color: var(--accent); font-weight: 700; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 48px; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
  color: var(--ink);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info-item { display: flex; gap: 14px; margin-bottom: 28px; }

.ci-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background: var(--gray-50);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.contact-info-item h4 { font-size: 15px; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.contact-info-item p { font-size: 14px; color: var(--gray-600); }

.form-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
  display: none;
}
.form-note.show { display: block; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-toggle { display: block; }

  .hero h1 { font-size: 30px; }
  .hero p { font-size: 16px; }
  .btn-outline { margin-left: 0; margin-top: 12px; }

  .grid-3, .grid-2, .grid-4, .product-grid { grid-template-columns: 1fr; }
  .legend-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .section-title { font-size: 26px; }
  .search-box { margin-left: 0; width: 100%; }
  .spec-head { flex-direction: column; align-items: flex-start; }
  .spec-shot { width: 100%; height: auto; aspect-ratio: 3 / 2; max-width: 420px; }
  .spec-table th { width: 130px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  .p-specs { grid-template-columns: 1fr; }
}

.print-only { display: none; }
.no-print { display: inline; }

@media print {
  .nav, .footer, .cta-banner, .filter-bar { display: none; }
  .print-only { display: block; }
  .no-print { display: none; }
  .print-head {
    border-bottom: 2px solid #0e2439;
    padding-bottom: 10px;
    margin-bottom: 18px;
    font-size: 12px;
    color: #333;
    line-height: 1.6;
  }
  .print-head .ph-brand {
    font-size: 20px;
    font-weight: 700;
    color: #0e2439;
    letter-spacing: -0.3px;
  }
  .print-head .ph-brand span { color: #ff5a2e; }
  .print-head .ph-meta { margin-top: 4px; }
  .notice { break-inside: avoid; }
  .spec-card { break-inside: avoid; }
  body { padding-top: 0 !important; }
  .section { padding: 12px 0; }
  @page { margin: 14mm; }
}