/* ============================================================
   SLIHE CHEMICAL — main-v2.css (方向 A · 工业蓝现代风)
   2026-10-04 试点：index.html / products/r134a.html / products/r22.html
   品牌色沿用 #0057b8，深海军蓝 #042C53 做压重层次
   ============================================================ */

:root {
  --blue: #0057b8;
  --blue-dark: #003f87;
  --blue-btn: #185FA5;
  --navy: #042C53;
  --navy-2: #0C447C;
  --tint: #E6F1FB;
  --tint-2: #F4F8FC;
  --line: #D7E3F2;
  --ink: #1c2836;
  --muted: #4a5a6e;
  --faint: #7b8a9c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", Arial, Verdana, sans-serif;
  color: var(--ink);
  background: var(--tint-2);
  line-height: 1.7;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
:where(img[width][height]) { height: auto; }

a:focus-visible, button:focus-visible {
  outline: 3px solid #ff9800;
  outline-offset: 2px;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--blue-btn); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); color: #fff; }
.btn-ghost { border-color: #fff; color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ---------- 顶部导航（粘性） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand img { height: 44px; width: auto; }
.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-2);
  white-space: nowrap;
}
.top-nav ul {
  display: flex;
  gap: 2px;
}
.top-nav a {
  display: block;
  padding: 10px 13px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
  border-radius: 6px;
  white-space: nowrap;
}
.top-nav a:hover { color: var(--blue); background: var(--tint); }
.top-nav a.active { color: var(--blue); background: var(--tint); }
.header-cta { flex-shrink: 0; }
.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  cursor: pointer;
}

/* ---------- 产品快速导航条 ---------- */
.product-nav-wrap { position: relative; background: var(--tint); border-bottom: 1px solid var(--line); }
.product-nav ul {
  display: flex;
  flex-wrap: wrap;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4px 16px;
}
.product-nav a {
  display: block;
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy-2);
  border-radius: 6px;
}
.product-nav a:hover { background: #d7e3f2; }
.product-nav a.active { background: var(--blue); color: #fff; }
.hamburger-btn {
  display: none;
  margin: 8px 16px;
  padding: 10px 16px;
  max-width: 260px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}

/* ---------- Hero ---------- */
/* 结构：上段深蓝文案板 + 下段全景横幅原图完整展示（object-fit 默认，不裁剪） */
.hero {
  background:
    radial-gradient(1200px 420px at 82% -10%, rgba(0, 87, 184, .45), transparent 65%),
    linear-gradient(180deg, #0A3D6E 0%, var(--navy) 70%);
}
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 24px 56px;
  width: 100%;
}
.hero-strip {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 -18px 40px rgba(2, 26, 51, .55);
}
.hero-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #9FC3E8;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.2;
  color: #fff;
  max-width: 720px;
  margin-bottom: 14px;
}
.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: #cfe0f2;
  max-width: 640px;
  margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 信任数据条 ---------- */
.stats-band { background: var(--tint); border-bottom: 1px solid var(--line); }
.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.stat-num {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  color: var(--navy-2);
  line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--muted); }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-tint { background: #fff; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--navy-2);
  line-height: 1.3;
}
.section-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-btn);
  margin-bottom: 6px;
}
.link-more { font-weight: 700; font-size: 15px; white-space: nowrap; }

/* ---------- 产品卡片网格 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 18px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(12, 68, 124, .12);
}
.product-card .thumb {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--tint-2);
}
.product-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .25s ease;
}
.product-card:hover .thumb img { transform: scale(1.04); }
.product-card .pc-body { padding: 12px 14px 14px; }
.product-card .pname {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-2);
  line-height: 1.3;
}
.product-card .ptype {
  display: block;
  font-size: 12.5px;
  color: var(--faint);
  margin-top: 2px;
}

/* ---------- 优势卡片 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.adv-card {
  background: var(--tint-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 28px;
}
.adv-card .adv-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--blue-btn);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 12px;
}
.adv-card h2 {
  font-size: 19px;
  color: var(--navy-2);
  margin-bottom: 8px;
}
.adv-card p { font-size: 15px; color: var(--muted); }
.gas-highlight { color: var(--blue); font-weight: 700; }

/* ---------- 工厂轮播 ---------- */
.factory-band { background: var(--tint-2); }
.factory-band .section-head { margin-bottom: 20px; }
.slider {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 8;
  overflow: hidden;
  border-radius: 14px;
  background: var(--navy);
  border: 1px solid var(--line);
}
.slider .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease-in-out; }
.slider .slide.active { opacity: 1; z-index: 1; }
.slider .slide img { width: 100%; height: 100%; object-fit: cover; }
.slider-nav {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  display: flex;
  gap: 10px;
  justify-content: center;
  z-index: 2;
}
.slider-nav a, .slider-nav button {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.88);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}
.slider-nav a.active, .slider-nav button.active { background: var(--blue); color: #fff; }
@media (prefers-reduced-motion: reduce) {
  .slider .slide { transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- CTA 横幅 ---------- */
.cta-band { background: var(--navy-2); }
.cta-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: #fff; font-size: clamp(20px, 2.4vw, 26px); }
.cta-inner p { color: #9DB8D6; font-size: 15px; margin-top: 4px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--navy);
  color: #cfd6e2;
  padding: 52px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 36px;
  padding-bottom: 34px;
}
.footer-brandline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.footer-brandline img { height: 40px; background: #fff; padding: 5px; border-radius: 6px; }
.footer-brandname { font-size: 15px; font-weight: 700; color: #fff; }
.footer-col p { font-size: 14px; color: #9DB8D6; }
.footer-col h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #9DB8D6;
  margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: #cfd6e2; font-size: 14px; }
.footer-col ul a:hover { color: #fff; }
.footer-contact li { font-size: 14px; color: #cfd6e2; }
.footer-contact a { color: #fff; font-weight: 600; }
.footer-badges { display: flex; gap: 14px; margin-top: 16px; }
.footer-badges img {
  width: 86px;
  height: 86px;
  background: #fff;
  padding: 6px;
  border-radius: 8px;
}
.footer-badges .badge-label { font-size: 12px; color: #9DB8D6; text-align: center; margin-top: 4px; }
.footer-copyright {
  border-top: 1px solid #24385c;
  padding-top: 16px;
  text-align: center;
  font-size: 13px;
  color: #97a4b8;
}
.footer-copyright a { color: #97a4b8; }

/* ---------- 产品详情页 ---------- */
.breadcrumb {
  font-size: 13px;
  color: var(--faint);
  padding: 18px 0 0;
}
.breadcrumb a { color: var(--muted); }
.product-hero {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 40px;
  align-items: center;
  padding: 26px 0 10px;
}
.product-hero > * { min-width: 0; }
.product-photo {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.product-photo img { width: 100%; height: auto; }
.product-hero h1 {
  font-size: clamp(26px, 3.4vw, 38px);
  color: var(--navy-2);
  line-height: 1.2;
  margin-bottom: 12px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-2);
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px;
}
.product-intro { font-size: 15.5px; color: var(--muted); margin-bottom: 22px; }
.product-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 34px 0 0;
}
.spec-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.spec-card h2 {
  background: var(--navy-2);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 18px;
}
.spec-card table { width: 100%; border-collapse: collapse; }
.spec-card td {
  padding: 9px 18px;
  font-size: 14px;
  border-top: 1px solid #EAF0F7;
}
.spec-card td:last-child { text-align: right; font-weight: 600; color: var(--navy-2); }
.spec-card tr:nth-child(even) td { background: var(--tint-2); }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
}
.info-card h2 { font-size: 16px; color: var(--navy-2); margin-bottom: 10px; }
.info-card p { font-size: 14.5px; color: var(--muted); }
.pack-list { display: flex; flex-wrap: wrap; gap: 8px; }
.pack-list li {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy-2);
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 12px;
}

.product-cta-band {
  margin-top: 34px;
  background: var(--navy-2);
  border-radius: 14px;
  padding: 30px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.product-cta-band h2 { color: #fff; font-size: 20px; }
.product-cta-band p { color: #9DB8D6; font-size: 14px; }

/* ---------- 询盘表单（沿用 contact 结构） ---------- */
.inquiry-form-card h2 { margin-bottom: 14px; }
.inquiry-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.inquiry-form .form-field { display: flex; flex-direction: column; }
.inquiry-form .form-field.full { grid-column: 1 / -1; }
.inquiry-form .form-field[hidden] { display: none; }
.inquiry-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
}
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  width: 100%;
}
.inquiry-form textarea { resize: vertical; min-height: 110px; }
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 87, 184, .12);
}
.inquiry-form .form-submit {
  grid-column: 1 / -1;
  justify-self: start;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--blue);
  border: none;
  border-radius: 6px;
  padding: 12px 34px;
  cursor: pointer;
}
.inquiry-form .form-submit:hover { background: var(--blue-dark); }
.inquiry-form .form-submit[disabled] { opacity: .6; cursor: default; }
.form-note { font-size: 12.5px; color: var(--faint); margin-top: 10px; }
.form-alert {
  display: none;
  background: #e8f7ef;
  border: 1px solid #b7e3cb;
  color: #0f7b4f;
  font-weight: 600;
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 16px;
}
.form-alert.show { display: block; }
.form-alert.error { background: #fdecec; border-color: #f0bcbc; color: #a01f1f; font-weight: 500; }
.form-alert.error.show { display: block; }
.form-alert.error a { color: #a01f1f; font-weight: 700; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .top-nav { display: none; }
  .top-nav.open {
    display: block;
    position: fixed;
    top: 60px; /* 略高于 header 底边，上沿被 sticky header 盖住，无缝 */
    left: 0;
    right: 0;
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain; /* 手指在菜单上滑动只滚菜单，不带动背景页面 */
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(4, 44, 83, .08);
    z-index: 55;
  }
  .top-nav.open ul { flex-direction: column; padding: 8px 16px 14px; }
  .top-nav.open a { padding: 12px 10px; font-size: 15px; }
  .menu-btn { display: block; }
}
@media (max-width: 900px) {
  .section { padding: 44px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .adv-grid { grid-template-columns: 1fr; }
  .hamburger-btn { display: block; }
  .product-nav { display: none; margin: 0 16px 8px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
  .product-nav.open {
    display: block;
    max-height: calc(100dvh - 140px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain; /* 手指在列表上滑动只滚列表，滚到头也不带动背景页面 */
  }
  .product-nav ul { flex-direction: column; padding: 6px; }
  .hero-inner { padding: 44px 24px 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .product-hero { grid-template-columns: 1fr; gap: 24px; }
  .spec-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .product-photo { max-width: 420px; }
  .spec-card { overflow-x: auto; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 10px 16px; }
  .brand-name { display: none; }
  .inquiry-form { grid-template-columns: 1fr; }
  .inquiry-form .form-submit { justify-self: stretch; }
  .cta-inner { padding: 32px 16px; }
  .product-cta-band { padding: 24px 20px; }
  .slider { aspect-ratio: 4 / 3; }
}

/* ============================================================
   内页组件（2026-10-04 全站迁移新增）
   ============================================================ */

/* ---------- 页面标题区 ---------- */
.page-head { padding: 40px 0 26px; }
.page-head h1 {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--navy-2);
  line-height: 1.25;
}
.page-sub { font-size: 16px; color: var(--muted); margin-top: 10px; max-width: 860px; }

/* 浅色描边按钮（白底场景） */
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--tint); color: var(--blue-dark); border-color: var(--blue-dark); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.faq-item summary {
  cursor: pointer;
  padding: 18px 56px 18px 22px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--navy-2);
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-btn);
}
.faq-item[open] summary { border-bottom: 1px solid var(--line); }
.faq-item[open] summary::after { content: '–'; }
.faq-body { padding: 16px 22px 20px; font-size: 15px; color: var(--muted); }

/* ---------- 客户评价画廊 ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  align-items: start;
}
.gallery figure {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.gallery img { width: 100%; height: auto; }

/* ---------- 下载中心 ---------- */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 16px;
}
.dl-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.dl-card .pdf-icon { width: 44px; height: 44px; flex: 0 0 44px; }
.dl-card .dl-meta { flex: 1 1 auto; min-width: 0; }
.dl-card h3 { font-size: 15.5px; color: var(--navy-2); line-height: 1.35; }
.dl-card p { font-size: 12.5px; color: var(--faint); margin-top: 4px; }
.dl-card .btn { flex: 0 0 auto; }

/* ---------- 联系页 ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 32px;
  align-items: start;
}
.contact-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 14px;
}
.contact-item h2 { font-size: 15px; color: var(--navy-2); margin-bottom: 6px; }
.contact-item p { font-size: 14.5px; color: var(--muted); }
.qr-row { display: flex; gap: 14px; }
.qr-row img {
  width: 110px; height: 110px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
}
.contact-map { margin: 44px 0 0; }
.contact-map h2 { font-size: 20px; color: var(--navy-2); margin-bottom: 14px; }
.map-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--tint);
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- 经销商地图与名单 ---------- */
.map-legend {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted);
  margin: 0 0 14px;
}
.map-legend i {
  display: inline-block;
  width: 12px; height: 12px;
  border-radius: 50%;
  margin-right: 6px;
}
#map {
  width: 100%;
  height: 560px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}
.country-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.country-card strong { display: block; font-size: 14.5px; color: var(--navy-2); }
.country-card span { font-size: 12.5px; color: var(--faint); }

/* ---------- 价格走势图 ---------- */
.chart-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px 8px;
}
.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  background: var(--tint-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 16px;
}
.toolbar-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-label { font-size: 14px; color: var(--muted); font-weight: 700; }
.product-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 5px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--navy-2);
  user-select: none;
}
.product-check.checked { background: var(--blue-btn); border-color: var(--blue-btn); color: #fff; }
.color-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.chart-box { width: 100%; height: 460px; }
.chart-note { font-size: 13px; color: var(--faint); margin-top: 14px; }

/* ---------- 内页响应式 ---------- */
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 20px; }
  #map { height: 400px; }
  .chart-box { height: 340px; }
  .page-head { padding: 30px 0 20px; }
}
@media (max-width: 640px) {
  .dl-card { flex-wrap: wrap; }
  .dl-card .btn { width: 100%; text-align: center; }
}

/* ---------- 防溢出加固（长规格串如 3.4kg(7.5Lbs),13.6kg(30Lbs)） ---------- */
.info-grid > *,
.spec-grid > *,
.dl-grid > *,
.country-grid > *,
.gallery > * { min-width: 0; }
.info-card, .spec-card, .country-card, .dl-meta { min-width: 0; }
.pack-list li, .info-card p, .spec-card td, .dl-card h3, .country-card strong {
  overflow-wrap: anywhere;
  word-break: break-word;
}
/* 地图容器裁掉 Leaflet 内部瓦片/标记的越界 */
#map, .map-frame, .leaflet-container { overflow: hidden; }
.leaflet-container { background: var(--tint); border-radius: 14px; }