/* ===========================================================
   江门市新超越科技有限公司 官网样式
   移动端优先 + PC 自适应（1920 开发机 / 4K 大屏均适配）
   =========================================================== */

:root {
  --brand: #0d5c63;
  --brand-dark: #084247;
  --brand-light: #12757e;
  --accent: #e8862a;
  --accent-dark: #cf7218;
  --ink: #16232a;
  --ink-2: #40525c;
  --ink-3: #6b7c86;
  --line: #e2e8ec;
  --bg: #ffffff;
  --bg-soft: #f5f8f9;
  --bg-deep: #eaf1f3;
  --ok: #1c8a54;
  --warn: #c8791b;
  --radius: 14px;
  --radius-s: 9px;
  --shadow: 0 10px 30px rgba(13, 92, 99, .10);
  --shadow-s: 0 4px 14px rgba(13, 92, 99, .08);
  --wrap: 1200px;
  --fs-h1: clamp(26px, 1.4rem + 1.4vw, 44px);
  --fs-h2: clamp(21px, 1.1rem + 1vw, 32px);
  --fs-h3: clamp(17px, 1rem + .35vw, 21px);
  --fs-body: 16px;
  --max-w-4k: 1560px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-light); }
h1, h2, h3, h4 { line-height: 1.35; color: var(--ink); margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
code { background: var(--bg-deep); padding: 2px 6px; border-radius: 5px; font-size: .9em; word-break: break-all; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.wrap-narrow { max-width: 860px; }
.center { text-align: center; }

/* ---------------- 顶栏 / 导航 ---------------- */
.topbar { background: var(--brand-dark); color: rgba(255,255,255,.9); font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; gap: 12px; padding: 6px 16px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }

.site-header { position: sticky; top: 0; z-index: 100; }
.nav-wrap { background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 2px 10px rgba(0,0,0,.04); }
.nav-inner { display: flex; align-items: center; gap: 14px; padding: 10px 16px; }

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { width: 40px; height: 40px; border-radius: 9px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 17px; color: var(--brand-dark); }
.brand-text small { font-size: 11px; color: var(--ink-3); }

.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 2px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 12px; font-size: 15px; color: var(--ink-2);
  border-radius: 8px; white-space: nowrap; font-weight: 500;
}
.main-nav > ul > li > a:hover { background: var(--bg-soft); color: var(--brand); }
.main-nav > ul > li > a.is-active { color: var(--brand); background: var(--bg-deep); font-weight: 700; }
.sub { display: none; position: absolute; left: 0; top: 100%; min-width: 210px; background: #fff; list-style: none; margin: 0; padding: 6px; border-radius: 10px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.has-sub:hover .sub, .has-sub:focus-within .sub { display: block; }
.sub a { display: block; padding: 9px 12px; font-size: 14px; color: var(--ink-2); border-radius: 7px; }
.sub a:hover { background: var(--bg-soft); color: var(--brand); }
.sub-toggle { display: none; }

.nav-cta {
  flex-shrink: 0; background: var(--accent); color: #fff; font-weight: 700;
  padding: 9px 16px; border-radius: 999px; font-size: 14px; white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-dark); color: #fff; }

.nav-burger {
  display: none; margin-left: auto; width: 42px; height: 38px; border: 1px solid var(--line);
  background: #fff; border-radius: 9px; padding: 8px 9px; cursor: pointer;
}
.nav-burger span { display: block; height: 2px; background: var(--brand-dark); border-radius: 2px; margin: 3px 0; }

/* ---------------- 首屏 ---------------- */
.hero { position: relative; padding: 40px 0 46px; overflow: hidden; background: linear-gradient(180deg, var(--bg-deep), #fff); }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(1000px 420px at 88% -10%, rgba(232,134,42,.16), transparent 60%),
    radial-gradient(760px 380px at 4% 8%, rgba(13,92,99,.16), transparent 62%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; gap: 26px; }
.hero-text .badge {
  display: inline-block; background: rgba(13,92,99,.10); color: var(--brand);
  border: 1px solid rgba(13,92,99,.18); padding: 5px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 600; margin-bottom: 14px;
}
.hero h1 { color: var(--brand-dark); }
.hero-sub { font-size: clamp(15px, 1rem + .2vw, 18px); color: var(--ink-2); max-width: 68ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0; }
.hero-points { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 10px; margin-bottom: 18px; }
.hero-points li {
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
  padding: 5px 13px; border-radius: 999px; font-size: 14px;
}
.hero-stats { display: flex; flex-wrap: wrap; gap: 26px; padding-top: 16px; border-top: 1px solid var(--line); }
.stat-num { font-size: clamp(22px, 1.4rem + .8vw, 34px); font-weight: 800; color: var(--accent); line-height: 1.1; }
.stat-label { font-size: 13px; color: var(--ink-3); }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.hero-mini { padding: 30px 0 34px; background: linear-gradient(180deg, var(--bg-deep), #fff); }
.crumb { font-size: 13px; color: var(--ink-3); margin-bottom: 12px; }
.crumb a { color: var(--ink-3); }
.crumb span { margin: 0 5px; }

/* ---------------- 通用区块 ---------------- */
.sec { padding: 40px 0; }
.sec:nth-of-type(even) { background: var(--bg-soft); }
.sec-head { max-width: 780px; margin-bottom: 26px; }
.sec-head h2 { color: var(--brand-dark); }
.sec-sub { color: var(--ink-2); margin: 0; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent);
  letter-spacing: .06em; margin-bottom: 8px;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 22px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1.5px solid transparent; cursor: pointer; transition: .18s ease; text-align: center;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { background: #fff; color: var(--brand); border-color: rgba(13,92,99,.35); }
.btn-ghost:hover { background: var(--brand); color: #fff; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.link-more { display: inline-block; margin-top: 6px; font-weight: 700; font-size: 14.5px; }

/* 卡片网格 */
.card-grid { display: grid; gap: 16px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-s); transition: .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(13,92,99,.30); }
.card h3 { color: var(--brand-dark); }
.card p { color: var(--ink-2); margin-bottom: .6em; }

/* 分栏区块 */
.split-list { display: grid; gap: 18px; }
.split-card {
  display: grid; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-s);
}
.split-card h3 { color: var(--brand-dark); }
.split-card p { color: var(--ink-2); }
.split-card-media img { border-radius: var(--radius-s); width: 100%; }
.tag {
  display: inline-block; background: rgba(232,134,42,.12); color: var(--accent-dark);
  padding: 3px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 700; margin-bottom: 10px;
}
.bullets { color: var(--ink-2); }
.bullets li { margin-bottom: 4px; }

/* 步骤 */
.steps { list-style: none; padding: 0; display: grid; gap: 14px; }
.step {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-s); padding: 18px 20px; box-shadow: var(--shadow-s);
}
.step-no {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px;
}
.step-body h3 { margin-bottom: .25em; }
.step-body p { color: var(--ink-2); margin: 0; }

/* 表格 */
.table-scroll { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-s); background: #fff; }
.ver-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
.ver-table th, .ver-table td { padding: 13px 15px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.ver-table thead th { background: var(--brand); color: #fff; font-weight: 700; white-space: nowrap; }
.ver-table tbody tr:last-child td { border-bottom: 0; }
.ver-table tbody tr:hover { background: var(--bg-soft); }

/* 富文本 */
.rich-body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 1.2rem + .6vw, 32px); box-shadow: var(--shadow-s); }
.rich-body h3 { color: var(--brand-dark); margin-top: 1.4em; }
.rich-body h3:first-child { margin-top: 0; }
.rich-body strong { color: var(--brand-dark); }
.rich-body li { margin-bottom: 6px; }
.rich-body ul { color: var(--ink-2); }

/* FAQ */
.faq-list { display: grid; gap: 10px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.faq-item summary {
  padding: 15px 18px; font-weight: 700; color: var(--brand-dark); cursor: pointer;
  list-style: none; position: relative; padding-right: 40px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--accent); font-weight: 400;
}
.faq-item[open] summary::after { content: '−'; }
.faq-a { padding: 0 18px 16px; color: var(--ink-2); border-top: 1px dashed var(--line); padding-top: 12px; }

/* 表单 */
.form-card { display: grid; gap: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 1.4rem + .8vw, 36px); box-shadow: var(--shadow); }
.form-intro h2 { color: var(--brand-dark); }
.form-note { font-size: 13px; color: var(--ink-3); }
.form-promises { list-style: none; padding: 0; display: grid; gap: 6px; }
.form-promises li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: 14.5px; }
.form-promises li::before { content: '✓'; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.inquiry-form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.req { color: #c0392b; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-s);
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff; transition: .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(13,92,99,.12);
}
.field-row { display: grid; gap: 14px; }
.field-hp { position: absolute; left: -9999px; }
.form-status { margin: 0; font-size: 14px; min-height: 20px; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: #c0392b; }

/* 外部链接卡片 */
.extlink-card { background: #fff; border: 1px dashed rgba(13,92,99,.35); border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow-s); }
.extlink-card h2 { color: var(--brand-dark); }
.extlink-card p { color: var(--ink-2); }
.extlink-note { font-size: 13px; color: var(--ink-3); margin-top: 14px; }

/* 案例 */
.case-card h3 { color: var(--brand-dark); }
.case-card.is-reference { border-color: rgba(200,121,27,.42); background: #fffdf8; }
.ref-badge {
  background: rgba(200,121,27,.12); color: var(--warn); border: 1px solid rgba(200,121,27,.30);
  padding: 6px 11px; border-radius: 7px; font-size: 12.5px; font-weight: 700; margin: 0 0 12px;
}
.ref-badge-lg { display: inline-block; margin-bottom: 14px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }
.pill { background: rgba(13,92,99,.09); color: var(--brand); padding: 3px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.pill-light { background: rgba(232,134,42,.13); color: var(--accent-dark); }
.case-customer { font-size: 13px; color: var(--ink-3); }
.case-detail-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 1.2rem + .8vw, 34px); box-shadow: var(--shadow-s); }
.kv { display: grid; gap: 12px; padding-bottom: 20px; margin-bottom: 22px; border-bottom: 1px dashed var(--line); }
.kv-item { display: grid; gap: 2px; }
.kv-item span { font-size: 13px; color: var(--ink-3); }
.kv-item b { color: var(--brand-dark); font-weight: 700; }
.detail-cta { margin-top: 24px; background: var(--bg-soft); border-radius: var(--radius); padding: 26px; text-align: center; }

/* 筛选器 */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.filter-label { font-size: 13.5px; color: var(--ink-3); font-weight: 600; }
.chip {
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
  padding: 6px 15px; border-radius: 999px; font-size: 14px; cursor: pointer; font-family: inherit;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* 知识库 */
.art-grid { display: grid; gap: 16px; }
.art-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-s); transition: .2s; }
.art-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.art-card h3 { color: var(--brand-dark); }
.art-card h3 a { color: inherit; }
.art-card p { color: var(--ink-2); }
.art-foot { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 10px; }
.article-title { color: var(--brand-dark); margin-bottom: .4em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13.5px; color: var(--ink-3); padding-bottom: 16px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.article-faq { margin-top: 26px; }
.article-faq h2 { color: var(--brand-dark); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag-sm { background: var(--bg-deep); color: var(--brand); padding: 4px 12px; border-radius: 999px; font-size: 13px; }

/* NAP */
.nap-grid { display: grid; gap: 14px; }
.nap-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 16px 18px; display: grid; gap: 4px; }
.nap-k { font-size: 13px; color: var(--ink-3); }
.nap-v { font-weight: 700; color: var(--brand-dark); }
.qr-wrap { margin-top: 22px; text-align: center; }
.qr { width: 160px; height: 160px; margin: 0 auto; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 8px; background: #fff; }
.qr-tip { font-size: 13px; color: var(--ink-3); margin-top: 8px; }

/* 资质 / 团队 */
.cert-img { border-radius: var(--radius-s); margin-bottom: 14px; background: var(--bg-soft); }
.team-card .tag { margin-bottom: 8px; }
.prod-img, .adv-media { border-radius: var(--radius-s); margin-bottom: 14px; }

/* 地图 */
.map-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-s); }
.map-tip { margin: 0; padding: 12px 18px; font-size: 13.5px; color: var(--ink-3); border-top: 1px solid var(--line); }
.empty { color: var(--ink-3); text-align: center; padding: 26px; }
.more-wrap { text-align: center; margin-top: 22px; }

/* 404 */
.nf-sec { padding: 70px 0; }
.nf-code { font-size: clamp(70px, 12vw, 150px); font-weight: 800; color: rgba(13,92,99,.14); margin: 0; line-height: 1; }
.nf-sec h1 { margin-top: 10px; }
.nf-sec .hero-cta { justify-content: center; }

/* 页脚 */
.site-footer { background: var(--brand-dark); color: rgba(255,255,255,.82); margin-top: 0; }
.foot-nap { display: grid; gap: 26px; padding: 40px 16px 30px; }
.foot-brand h2 { color: #fff; font-size: 20px; }
.nap-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.nap-list li { display: grid; grid-template-columns: 62px 1fr; gap: 10px; font-size: 14px; }
.nap-list span { color: rgba(255,255,255,.55); }
.nap-list b { color: #fff; font-weight: 600; }
.nap-list a { color: #fff; }
.foot-col h3 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.foot-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot-col a { color: rgba(255,255,255,.78); font-size: 14px; }
.foot-col a:hover { color: #fff; }
.foot-qr { text-align: center; }
.foot-qr .qr { background: #fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.14); }
.foot-bottom-inner { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: center; padding: 14px 16px; font-size: 13px; color: rgba(255,255,255,.62); }
.foot-bottom-inner a { color: rgba(255,255,255,.8); }

/* 悬浮咨询 */
.float-cta { position: fixed; right: 14px; bottom: 18px; z-index: 90; display: grid; gap: 10px; }
.float-btn {
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px 9px 12px; box-shadow: var(--shadow); cursor: pointer;
  font-size: 14px; font-weight: 700; color: var(--brand); position: relative;
}
.float-icon { font-size: 17px; }
.float-sub { grid-column: 1 / -1; font-size: 11px; color: var(--ink-3); font-weight: 400; }
.float-tel { background: var(--accent); color: #fff; border-color: var(--accent); }
.float-form { background: var(--brand); color: #fff; border-color: var(--brand); }
.float-qr { color: var(--brand-dark); }
.qr-pop {
  position: absolute; right: 0; bottom: calc(100% + 10px); width: 168px; height: 168px;
  background: #fff; padding: 8px; border-radius: var(--radius-s); box-shadow: var(--shadow);
  display: none; border: 1px solid var(--line);
}
.float-qr.is-open .qr-pop { display: block; }

/* ---------------- 响应式 ---------------- */
@media (min-width: 600px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .nap-grid { grid-template-columns: repeat(2, 1fr); }
  .art-grid { grid-template-columns: repeat(2, 1fr); }
  .kv { grid-template-columns: 1fr 1fr; }
  .foot-nap { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.15fr .85fr; align-items: center; }
  .hero-media img { max-width: 560px; margin-left: auto; }
  .split-list.cols-2 { grid-template-columns: 1fr; }
  .split-list.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .sec { padding: 56px 0; }
  .hero { padding: 64px 0 70px; }
  .form-card { grid-template-columns: .9fr 1.1fr; align-items: start; }
  .nav-cta { display: inline-flex; }
}

@media (min-width: 1280px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .art-grid { grid-template-columns: repeat(3, 1fr); }
  .kv { grid-template-columns: repeat(3, 1fr); }
}

/* 4K 大屏：限制最大宽度，避免内容过散 */
@media (min-width: 1920px) {
  :root { --wrap: var(--max-w-4k); --fs-body: 17px; }
  .sec { padding: 68px 0; }
}

/* 移动端 */
@media (max-width: 899px) {
  .nav-burger { display: block; }
  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow); display: none;
  }
  .main-nav.is-open { display: block; }
  .main-nav > ul { flex-direction: column; gap: 0; padding: 8px 12px 14px; }
  .main-nav > ul > li > a { padding: 12px 6px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .sub { display: none; position: static; box-shadow: none; border: 0; padding: 0 0 8px 14px; }
  .has-sub.is-open .sub { display: block; }
  .sub-toggle {
    display: block; position: absolute; right: 4px; top: 12px; width: 30px; height: 30px;
    background: none; border: 0; cursor: pointer;
  }
  .sub-toggle::after { content: '＋'; color: var(--brand); font-size: 16px; }
  .has-sub.is-open .sub-toggle::after { content: '－'; }
  .nav-cta { display: none; }
  .hero-stats { gap: 18px; }
  .float-cta { right: 10px; bottom: 12px; gap: 8px; }
  .float-text { display: none; }
  .float-btn { padding: 11px; }
  .float-sub { display: none; }
}

@media (max-width: 420px) {
  .sec { padding: 32px 0; }
  .card, .rich-body { padding: 18px; }
  .hero-cta .btn { flex: 1 1 100%; }
}

/* 打印 */
@media print {
  .site-header, .float-cta, .site-footer, .inquiry-form { display: none; }
}

/* ===========================================================
   v2 区块样式：轮播 / 产品矩阵 / 行业网格 / 知识库 Tab
   配色沿用方案 A：深青(--brand) + 橙(--accent)
   =========================================================== */

/* ---------- 1. 首页轮播 heroCarousel ---------- */
.hero-carousel { position: relative; overflow: hidden; padding-bottom: 68px; }
.hc-track { position: relative; }
.hc-item {
  display: none;
  background: linear-gradient(160deg, var(--brand-dark) 0%, var(--brand) 58%, var(--brand-light) 100%);
  color: #fff;
}
.hc-item.is-on { display: block; animation: hcFade .55s ease; }
@keyframes hcFade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hc-inner {
  display: grid; gap: 30px; padding: 58px 0 40px;
  grid-template-columns: 1fr;
}
.hc-text h1, .hc-text h2 { color: #fff; margin-bottom: .45em; font-size: var(--fs-h1); }
.hc-sub { color: rgba(255, 255, 255, .88); font-size: 1.03em; max-width: 46em; }
.hc-text .badge { background: rgba(255, 255, 255, .16); color: #fff; border-color: rgba(255, 255, 255, .3); }
.hc-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
/* 移动端：文字在前、图片在后，且限制图片高度，避免首屏被图占满 */
.hc-media { order: 0; }
.hc-media img { max-height: 190px; object-fit: cover; }
.hc-nav { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 16px; }
.hc-dots { display: flex; gap: 8px; flex-wrap: wrap; }
.hc-dot {
  width: 30px; height: 5px; border: 0; border-radius: 99px; cursor: pointer;
  background: rgba(13, 92, 99, .22); padding: 0; transition: background .2s, width .2s;
}
.hc-dot.is-on { background: var(--accent); width: 46px; }
.hc-arrows { display: flex; gap: 8px; }
.hc-arrow {
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--brand);
  font-size: 15px; line-height: 1; transition: background .2s, color .2s;
}
.hc-arrow:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- 2. 产品矩阵 productMatrix ---------- */
.pm-tabs, .at-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 22px; padding-bottom: 4px;
  border-bottom: 2px solid var(--line);
}
.pm-tab, .at-tab {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  padding: 9px 18px; border-radius: 99px; cursor: pointer;
  font-size: .95em; font-weight: 600; transition: all .2s;
}
.pm-tab:hover, .at-tab:hover { border-color: var(--brand-light); color: var(--brand); }
.pm-tab.is-on, .at-tab.is-on {
  background: var(--brand); border-color: var(--brand); color: #fff;
  box-shadow: var(--shadow-s);
}
.pm-panel[hidden], .at-panel[hidden] { display: none; }
.pm-desc {
  background: var(--bg-soft); border-left: 4px solid var(--accent);
  padding: 12px 16px; border-radius: 0 var(--radius-s) var(--radius-s) 0;
  color: var(--ink-2); margin-bottom: 20px;
}
.pm-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.pm-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.pm-card:hover { border-color: var(--brand-light); box-shadow: var(--shadow); transform: translateY(-3px); }
.pm-card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.pm-card-top h4 { margin: 0; font-size: 1.05em; }
.pm-tag {
  font-size: .74em; font-weight: 700; letter-spacing: .3px;
  background: rgba(232, 134, 42, .14); color: var(--accent-dark);
  padding: 2px 9px; border-radius: 99px; white-space: nowrap;
}
.pm-tagline { color: var(--ink-2); font-size: .95em; margin-bottom: 8px; }
.pm-points { list-style: none; padding: 0; margin: 0 0 12px; font-size: .93em; color: var(--ink-2); }
.pm-points li { position: relative; padding-left: 18px; margin-bottom: 3px; }
.pm-points li::before {
  content: ''; position: absolute; left: 4px; top: .72em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.pm-card .link-more { margin-top: auto; font-size: .93em; font-weight: 600; }

/* ---------- 3. 行业方案网格 industryGrid ---------- */
.ig-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.ig-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column;
  box-shadow: var(--shadow-s);
}
.ig-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.ig-head h3 { margin: 0; }
.ig-part { border-radius: var(--radius-s); padding: 11px 14px; margin-bottom: 10px; }
.ig-part p { margin: 0; font-size: .95em; }
.ig-label {
  display: inline-block; font-size: .76em; font-weight: 700; letter-spacing: .5px;
  margin-bottom: 3px; padding: 1px 8px; border-radius: 5px;
}
.ig-pain { background: #fdf4ea; border: 1px solid #f3ddc0; }
.ig-pain .ig-label { background: var(--accent); color: #fff; }
.ig-pain p { color: #7a4a12; }
.ig-solution { background: var(--bg-soft); border: 1px solid var(--bg-deep); }
.ig-solution .ig-label { background: var(--brand); color: #fff; }
.ig-solution p { color: var(--ink-2); }
.ig-points { list-style: none; padding: 0; margin: 0 0 12px; font-size: .93em; color: var(--ink-2); }
.ig-points li { position: relative; padding-left: 18px; margin-bottom: 3px; }
.ig-points li::before {
  content: '\2713'; position: absolute; left: 0; top: 0;
  color: var(--ok); font-weight: 700; font-size: .9em;
}
.ig-card .link-more { margin-top: auto; font-weight: 600; }

/* ---------- 4. 知识库分类 Tab articleTabs ---------- */
.at-count {
  display: inline-block; margin-left: 6px; font-size: .78em;
  background: rgba(13, 92, 99, .1); color: var(--brand);
  padding: 0 7px; border-radius: 99px;
}
.at-tab.is-on .at-count { background: rgba(255, 255, 255, .22); color: #fff; }
.at-list { list-style: none; padding: 0; margin: 0 0 14px; }
.at-row {
  display: grid; gap: 4px 14px; padding: 13px 4px;
  border-bottom: 1px dashed var(--line);
  grid-template-columns: 96px 1fr;
}
.at-row:last-child { border-bottom: 0; }
.at-date { color: var(--ink-3); font-size: .88em; font-variant-numeric: tabular-nums; }
.at-title { font-weight: 600; color: var(--ink); }
.at-title:hover { color: var(--brand-light); }
.at-excerpt { grid-column: 1 / -1; color: var(--ink-2); font-size: .93em; margin: 0; }

/* ---------- 断点：平板 ---------- */
@media (min-width: 720px) {
  .pm-grid { grid-template-columns: repeat(2, 1fr); }
  .ig-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 断点：桌面 ---------- */
@media (min-width: 1000px) {
  .hero-carousel { padding-bottom: 76px; }
  .hc-inner { grid-template-columns: 1.15fr .85fr; align-items: center; padding: 74px 0 52px; }
  .hc-media { order: 0; }
  /* 桌面端解除移动端的高度限制 */
  .hc-media img { max-height: none; }
  .pm-grid { grid-template-columns: repeat(3, 1fr); }
  .ig-grid { grid-template-columns: repeat(3, 1fr); }
  .at-row { grid-template-columns: 110px 1fr; align-items: baseline; }
  .hc-nav { padding-top: 20px; }
}

/* ---------- 断点：4K 大屏 ---------- */
@media (min-width: 1800px) {
  .pm-grid { grid-template-columns: repeat(4, 1fr); }
  .ig-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
}

/* ---------- 新区块的移动端微调 ---------- */
@media (max-width: 899px) {
  .hc-inner { padding: 40px 0 30px; }
  .hc-arrows { display: none; }
  .pm-tab, .at-tab { padding: 8px 14px; font-size: .9em; }
  .ig-card, .pm-card { padding: 16px; }
}