/* ==========================================================================
   鑫强旅游用品 · 站点矩阵通用样式
   纯 CSS，无框架依赖。PC / 移动端自适应。
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --brand: #0E3B33;            /* 主色：深林绿 */
  --brand-dark: #08241F;
  --brand-light: #1A5A4E;
  --accent: #C89544;           /* 强调色：暖砂金 */
  --accent-dark: #A87A2E;
  --ink: #16211D;              /* 正文 */
  --ink-2: #4A5A54;            /* 次级文字 */
  --ink-3: #7C8A85;            /* 说明文字 */
  --line: #E2E0D8;
  --bg: #FFFFFF;
  --bg-soft: #F7F5F0;
  --bg-deep: #0B2A24;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 2px 10px rgba(11, 42, 36, .06);
  --shadow-lg: 0 12px 40px rgba(11, 42, 36, .12);
  --max: 1200px;
  --header-h: 72px;
  --font: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-head: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-dark); }
h1, h2, h3, h4, h5 { font-family: var(--font-head); margin: 0 0 .6em; line-height: 1.3; font-weight: 700; color: var(--ink); }
h1 { font-size: 40px; letter-spacing: -.01em; }
h2 { font-size: 30px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: .35em; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 56px 0; }
.section--deep { background: var(--bg-deep); color: #D6E2DE; }
.section--deep h2, .section--deep h3 { color: #fff; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 3. 通用排版块 ---------- */
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.sec-head { max-width: 720px; margin-bottom: 48px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { margin-bottom: 14px; }
.sec-head p { color: var(--ink-2); margin: 0; }
.lead { font-size: 17px; color: var(--ink-2); line-height: 1.85; }
.divider { width: 48px; height: 3px; background: var(--accent); margin: 20px 0 24px; }
.sec-head--center .divider { margin-left: auto; margin-right: auto; }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; font-size: 14px; font-weight: 600; letter-spacing: .04em;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: all .22s ease; line-height: 1.2; text-align: center;
}
.btn--primary { background: var(--accent); color: #23180A; }
.btn--primary:hover { background: var(--accent-dark); color: #fff; }
.btn--ghost { background: transparent; color: var(--brand); border-color: rgba(14,59,51,.28); }
.btn--ghost:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn--light { background: #fff; color: var(--brand); }
.btn--light:hover { background: var(--accent); color: #23180A; }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn--outline-light:hover { background: #fff; color: var(--brand); }
.btn--sm { padding: 9px 18px; font-size: 13px; }
.btn--block { width: 100%; }

/* ---------- 5. 顶部信息条 + 导航 ---------- */
.topbar {
  background: var(--brand-dark); color: #A9BDB6; font-size: 12.5px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 16px; }
.topbar a { color: #C9D8D3; }
.topbar a:hover { color: var(--accent); }
.topbar__meta { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.topbar__meta span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }

.lang-switch { display: inline-flex; border: 1px solid rgba(255,255,255,.2); border-radius: 3px; overflow: hidden; }
.lang-switch button {
  background: transparent; border: 0; color: #A9BDB6; font-size: 12px;
  padding: 4px 11px; cursor: pointer; letter-spacing: .03em; transition: all .2s;
}
.lang-switch button.is-active { background: var(--accent); color: #23180A; font-weight: 600; }

.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
  transition: box-shadow .25s;
}
.header.is-scrolled { box-shadow: 0 2px 18px rgba(11,42,36,.08); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }

.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo__mark { width: 38px; height: 38px; flex-shrink: 0; }
.logo__text { line-height: 1.2; }
.logo__cn { display: block; font-size: 16px; font-weight: 700; color: var(--brand); letter-spacing: .02em; }
.logo__en { display: block; font-size: 9.5px; font-weight: 600; letter-spacing: .13em; color: var(--ink-3); text-transform: uppercase; margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 8px 14px; font-size: 14.5px; font-weight: 500;
  color: var(--ink-2); border-radius: 3px; white-space: nowrap;
}
.nav a:hover { color: var(--brand); background: var(--bg-soft); }
.nav a.is-active { color: var(--brand); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 1px; height: 2px; background: var(--accent);
}

.header__cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff;
  border-radius: 3px; cursor: pointer; padding: 0; align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--brand); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--brand);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------- 6. 首屏 Hero ---------- */
.hero {
  position: relative; overflow: hidden; background: var(--bg-deep); color: #fff;
  min-height: 560px; display: flex; align-items: center;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8,36,31,.94) 0%, rgba(8,36,31,.78) 46%, rgba(8,36,31,.34) 100%);
}
.hero .wrap { position: relative; z-index: 2; padding-top: 72px; padding-bottom: 72px; }
.hero__inner { max-width: 730px; }
.hero h1 { color: #fff; font-size: 40px; line-height: 1.28; margin-bottom: 20px; }
.hero__sub { font-size: 17px; color: #C4D6D0; line-height: 1.8; margin-bottom: 32px; max-width: 560px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero__tags span {
  font-size: 12.5px; padding: 6px 13px; border: 1px solid rgba(255,255,255,.22);
  border-radius: 100px; color: #D3E0DC; background: rgba(255,255,255,.05);
}

.hero--page { min-height: 320px; }
.hero--page .hero__inner { max-width: 780px; }
.hero--page h1 { font-size: 36px; }
.hero--page .hero__sub { margin-bottom: 0; }

/* ---------- 7. 数据条 ---------- */
.stats { background: var(--brand); color: #fff; }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
.stat:last-child { border-right: 0; }
.stat__num { font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1; letter-spacing: -.02em; }
.stat__num small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.stat__label { font-size: 13px; color: #BDD0CA; margin-top: 9px; letter-spacing: .02em; }

/* ---------- 8. 图文两栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.split__media--offset::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--accent); border-radius: var(--radius-lg); z-index: -1;
}
.split__body h2 { margin-bottom: 16px; }
.split__body p { color: var(--ink-2); }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; }
.check-list li { position: relative; padding-left: 26px; margin-bottom: 12px; color: var(--ink-2); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px;
  background: var(--accent); border-radius: 1px;
}

/* ---------- 9. 产品线卡片（主站跳转） ---------- */
.lines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.line-card {
  position: relative; display: block; overflow: hidden; border-radius: var(--radius-lg);
  background: var(--bg-deep); color: #fff; min-height: 380px; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.line-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); color: #fff; }
.line-card__img { position: absolute; inset: 0; }
.line-card__img img { width: 100%; height: 100%; object-fit: cover; opacity: .52; transition: transform .5s ease, opacity .3s; }
.line-card:hover .line-card__img img { transform: scale(1.05); opacity: .62; }
.line-card__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,36,31,.25) 0%, rgba(8,36,31,.55) 52%, rgba(8,36,31,.94) 100%);
}
.line-card__body { position: relative; z-index: 2; padding: 32px 28px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
.line-card__no { font-size: 12px; font-weight: 700; letter-spacing: .18em; color: var(--accent); margin-bottom: 10px; }
.line-card__body h3 { color: #fff; font-size: 23px; margin-bottom: 8px; }
.line-card__body p { font-size: 13.5px; color: #BFD2CC; margin-bottom: 18px; line-height: 1.7; }
.line-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.line-card__tags span { font-size: 11.5px; padding: 3px 9px; border-radius: 2px; background: rgba(255,255,255,.13); color: #DCE8E4; }
.line-card__link { font-size: 13.5px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 10. 产品网格 / 卡片 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filter-bar button {
  padding: 9px 20px; font-size: 13.5px; border: 1px solid var(--line); background: #fff;
  color: var(--ink-2); border-radius: 100px; cursor: pointer; transition: all .2s;
}
.filter-bar button:hover { border-color: var(--brand-light); color: var(--brand); }
.filter-bar button.is-active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

.grid-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.p-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; transition: all .25s ease;
}
.p-card:hover { border-color: var(--brand-light); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.p-card__media { position: relative; aspect-ratio: 1 / 1; background: var(--bg-soft); overflow: hidden; }
.p-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.p-card:hover .p-card__media img { transform: scale(1.04); }
.p-card__badge {
  position: absolute; top: 12px; left: 12px; font-size: 11px; font-weight: 700;
  letter-spacing: .06em; padding: 4px 10px; background: var(--accent); color: #23180A; border-radius: 2px;
}
.p-card__body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.p-card__cat { font-size: 11.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 7px; }
.p-card__title { font-size: 16px; font-weight: 600; line-height: 1.5; margin: 0 0 10px; color: var(--ink); }
.p-card__title a { color: inherit; }
.p-card__title a:hover { color: var(--brand); }
.p-card__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--ink-3); margin-bottom: 16px; }
.p-card__meta b { color: var(--ink-2); font-weight: 600; }
.p-card__foot { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.p-card__price { font-size: 17px; font-weight: 700; color: var(--brand); line-height: 1.2; }
.p-card__price small { font-size: 11.5px; font-weight: 500; color: var(--ink-3); display: block; margin-top: 2px; }

/* ---------- 11. 产品详情 ---------- */
.crumbs { font-size: 12.5px; color: var(--ink-3); padding: 18px 0; }
.crumbs a { color: var(--ink-3); }
.crumbs a:hover { color: var(--brand); }
.crumbs span { margin: 0 7px; color: #C4C0B4; }

.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding-bottom: 24px; }
.gallery__main { position: relative; aspect-ratio: 1 / 1; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.gallery__main img { width: 100%; height: 100%; object-fit: contain; }
.gallery__thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.gallery__thumbs button {
  padding: 0; border: 1px solid var(--line); background: var(--bg-soft); border-radius: var(--radius);
  aspect-ratio: 1/1; overflow: hidden; cursor: pointer; transition: border-color .2s;
}
.gallery__thumbs button.is-active { border-color: var(--accent); border-width: 2px; }
.gallery__thumbs img { width: 100%; height: 100%; object-fit: cover; }

.pd-info .eyebrow { margin-bottom: 8px; }
.pd-info h1 { font-size: 28px; line-height: 1.35; margin-bottom: 16px; }
.pd-info__model { font-size: 13px; color: var(--ink-3); margin-bottom: 18px; }
.pd-info__model b { color: var(--ink-2); font-weight: 600; }
.pd-price {
  background: var(--bg-soft); border-left: 3px solid var(--accent); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 22px;
}
.pd-price__val { font-size: 30px; font-weight: 700; color: var(--brand); line-height: 1; }
.pd-price__val small { font-size: 13px; font-weight: 500; color: var(--ink-3); margin-left: 6px; }
.pd-price__note { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; line-height: 1.6; }
.pd-quick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; }
.pd-quick div { background: #fff; padding: 13px 14px; }
.pd-quick dt { font-size: 11.5px; color: var(--ink-3); margin-bottom: 3px; }
.pd-quick dd { margin: 0; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.pd-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.pd-notes { font-size: 13px; color: var(--ink-2); background: #FBF9F4; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.pd-notes p { margin: 0 0 6px; }
.pd-notes p:last-child { margin: 0; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th, .spec-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table th { width: 30%; font-weight: 600; color: var(--ink-2); background: var(--bg-soft); }
.spec-table td { color: var(--ink); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 32px; flex-wrap: wrap; }
.tabs button {
  padding: 13px 22px; background: transparent; border: 0; border-bottom: 2px solid transparent;
  font-size: 14.5px; font-weight: 500; color: var(--ink-3); cursor: pointer; transition: all .2s; margin-bottom: -1px;
}
.tabs button:hover { color: var(--brand); }
.tabs button.is-active { color: var(--brand); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ---------- 12. 功能卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.f-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 26px; transition: all .25s; }
.f-card:hover { border-color: var(--brand-light); box-shadow: var(--shadow); }
.f-card__icon { width: 44px; height: 44px; border-radius: var(--radius); background: rgba(200,149,68,.13); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.f-card__icon svg { width: 22px; height: 22px; stroke: var(--accent-dark); fill: none; stroke-width: 1.7; }
.f-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.f-card p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.7; }

/* ---------- 13. 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.step { position: relative; padding: 0 20px; text-align: center; }
.step::before {
  counter-increment: step; content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; margin: 0 auto 18px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent); color: var(--brand);
  font-size: 16px; font-weight: 700; position: relative; z-index: 2;
}
.step::after {
  content: ""; position: absolute; top: 23px; left: 50%; width: 100%; height: 1px;
  background: var(--line); z-index: 1;
}
.step:last-child::after { display: none; }
.step h4 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 12.5px; color: var(--ink-3); margin: 0; line-height: 1.6; }
.section--deep .step::before { background: var(--bg-deep); }
.section--deep .step::after { background: rgba(255,255,255,.16); }
.section--deep .step h4 { color: #fff; }
.section--deep .step p { color: #93ABA5; }

/* ---------- 14. 资质 ---------- */
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.certs--3 { grid-template-columns: repeat(3, 1fr); }
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center;
}
.cert__icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; }
.cert__icon svg { width: 26px; height: 26px; stroke: var(--brand); fill: none; stroke-width: 1.6; }
.cert h4 { font-size: 14.5px; margin-bottom: 4px; }
.cert p { font-size: 12px; color: var(--ink-3); margin: 0; line-height: 1.6; }

/* ---------- 15. 表格（通用） ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.data-table thead th { background: var(--brand); color: #fff; font-weight: 600; padding: 13px 18px; text-align: left; font-size: 13.5px; letter-spacing: .02em; }
.data-table tbody td { padding: 12px 18px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:nth-child(even) { background: #FBFAF7; }

/* ---------- 16. 询盘表单 ---------- */
.inquiry { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); letter-spacing: .02em; }
.field label .req { color: #C0392B; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; color: var(--ink); font-size: 14px; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--brand-light); box-shadow: 0 0 0 3px rgba(26,90,78,.09);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 12px; color: var(--ink-3); margin-top: 12px; line-height: 1.7; }
.form-status { font-size: 13px; padding: 12px 14px; border-radius: var(--radius); margin-top: 14px; display: none; }
.form-status.is-ok { display: block; background: #EDF6F2; color: #1A5A4E; border: 1px solid #C3E0D6; }
.form-status.is-err { display: block; background: #FCF0EE; color: #A3342A; border: 1px solid #EBC9C3; }

/* ---------- 17. 联系信息块 ---------- */
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list__ico { width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%; background: rgba(200,149,68,.12); display: flex; align-items: center; justify-content: center; }
.contact-list__ico svg { width: 17px; height: 17px; stroke: var(--accent-dark); fill: none; stroke-width: 1.8; }
.contact-list__label { font-size: 12px; color: var(--ink-3); margin-bottom: 2px; }
.contact-list__val { font-size: 14.5px; color: var(--ink); font-weight: 500; word-break: break-word; }
.contact-list__val a { font-weight: 600; }

/* ---------- 18. CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(105deg, var(--brand) 0%, var(--brand-light) 100%);
  color: #fff; border-radius: var(--radius-lg); padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; font-size: 26px; }
.cta-band p { color: #C4D6D0; margin: 0; font-size: 14.5px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 19. 页脚 ---------- */
.footer { background: var(--brand-dark); color: #96ACA6; font-size: 13.5px; padding-top: 64px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 48px; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: .05em; margin-bottom: 18px; }
.footer a { color: #96ACA6; }
.footer a:hover { color: var(--accent); }
.footer__brand .logo__cn { color: #fff; }
.footer__brand .logo__en { color: #7C948D; }
.footer__desc { margin: 18px 0 0; line-height: 1.85; font-size: 13px; color: #8AA09A; }
.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links li { margin-bottom: 10px; }
.footer__contact { list-style: none; padding: 0; margin: 0; }
.footer__contact li { margin-bottom: 12px; line-height: 1.65; }
.footer__contact strong { color: #CBD9D5; font-weight: 600; display: block; font-size: 12px; margin-bottom: 1px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.09); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-size: 12.5px; color: #748B85;
}
.footer__bottom a { color: #9BB0AA; }

/* ---------- 20. 动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .line-card, .p-card, .f-card { transition: none; }
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1080px) {
  .split { gap: 44px; }
  .pd { gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .certs--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .step::after { display: none; }
}
@media (max-width: 900px) {
  .header .wrap { height: 64px; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 0 16px;
    gap: 2px; box-shadow: var(--shadow); max-height: 0; overflow: hidden; opacity: 0;
    pointer-events: none; transition: max-height .28s ease, opacity .2s ease, padding .28s ease;
  }
  .nav.is-open {
    max-height: calc(100vh - 64px); overflow-y: auto; opacity: 1;
    padding: 10px 16px 18px; pointer-events: auto;
  }
  .nav a { padding: 12px 14px; font-size: 15px; }
  .nav a.is-active::after { display: none; }
  .nav a.is-active { background: var(--bg-soft); }
  .nav-toggle { display: flex; }
  .header__cta .btn { display: none; }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 32px; }
  .hero__sub { font-size: 15.5px; }
  .section { padding: 60px 0; }
  h2 { font-size: 25px; }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split__media--offset::before { display: none; }
  .lines { grid-template-columns: 1fr; }
  .grid-products { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .pd { grid-template-columns: 1fr; }
  .inquiry { grid-template-columns: 1fr; gap: 36px; }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .cta-band { padding: 38px 28px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .topbar .wrap { height: auto; padding: 7px 18px; flex-direction: column; gap: 5px; align-items: flex-start; }
  .topbar__meta { gap: 14px; font-size: 12px; flex-wrap: wrap; }
  .hero h1 { font-size: 27px; }
  .hero--page h1 { font-size: 25px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .grid-products { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .pd-quick { grid-template-columns: 1fr; }
  .filter-bar { gap: 6px; }
  .filter-bar button { padding: 8px 15px; font-size: 12.5px; }
  .spec-table th, .spec-table td { padding: 11px 13px; font-size: 13px; }
  .spec-table th { width: 38%; }
  .certs { grid-template-columns: 1fr; }
  .certs--3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 24px; }
  .step { text-align: left; padding: 0 0 0 64px; }
  .step::before { position: absolute; left: 0; top: 0; margin: 0; }
  .gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { width: 100%; flex-direction: column; }
  .cta-band__actions .btn { width: 100%; }
  .section { padding: 48px 0; }
}