/* ============================================================
   永探电子 YONGTAN MAGNETIC CONNECT · 官网设计系统
   视觉规范与设计稿 1:1 对齐
   ============================================================ */
:root {
  --navy-900: #07121F;
  --navy-800: #0A1B2E;
  --navy-700: #10263F;
  --navy-600: #1E3A5C;
  --blue-600: #0B7CFF;
  --blue-700: #0B5CB8;
  --blue-500: #0A5CB8;
  --cyan-500: #00C2DB;
  --ink-900: #101828;
  --ink-600: #344054;
  --ink-500: #5A6B7E;
  --ink-400: #98A2B3;
  --line-300: #E3E9F0;
  --line-200: #D5DEE9;
  --bg-soft: #F5F9FF;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow-card: 0 8px 24px rgba(10, 27, 46, .08);
  --shadow-card-hover: 0 12px 32px rgba(10, 27, 46, .14);
  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
  --font-en: "Inter", "Noto Sans SC", sans-serif;
  --hero-gutter: clamp(24px, 6vw, 110px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  color: var(--ink-900);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 60px; }
@media (max-width: 1024px) { .container { padding: 0 28px; } }

/* ============ 顶部信息条 ============ */
.topbar {
  background: #EDF4FC;
  border-bottom: 1px solid #DCE7F4;
  font-size: 12.5px;
  color: #5D7290;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 34px;
}
.tb-links { display: flex; align-items: center; gap: 14px; }
.tb-links a { color: #3E5A7C; transition: color .2s; }
.tb-links a:hover { color: var(--blue-600); }
.tb-links i { width: 1px; height: 10px; background: #C6D8EC; }
@media (max-width: 900px) { .topbar { display: none; } }

/* ============ 顶部导航 ============ */
.site-header {
  background: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #E4EDF8;
  box-shadow: 0 2px 14px rgba(18, 64, 118, .07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 32px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { height: 50px; width: auto; display: block; }
.logo-slogan { font-size: 13px; color: var(--ink-500); letter-spacing: 1px; border-left: 1px solid var(--line-300); padding-left: 12px; line-height: 1.35; max-width: 220px; }
@media (max-width: 900px) { .logo-slogan { display: none; } }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  font-size: 14px; font-weight: 500;
  color: #2B4260;
  padding: 6px 0;
  position: relative;
  transition: color .2s;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--blue-600); }
.main-nav a.active { color: var(--blue-600); }
.main-nav a.active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; border-radius: 2px;
  background: var(--blue-600);
}
.header-right { display: flex; align-items: center; gap: 22px; flex-shrink: 0; }
.header-hotline { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.header-hotline svg { width: 30px; height: 30px; flex-shrink: 0; }
.header-hotline .ht-txt { display: flex; flex-direction: column; line-height: 1.3; }
.header-hotline .ht-label { font-size: 12px; color: #7E93AA; letter-spacing: .5px; }
.header-hotline .ht-num {
  font-family: var(--font-en);
  font-size: 20px; font-weight: 700; color: var(--blue-700);
  letter-spacing: .5px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  border: none;
}
.btn-primary { background: var(--blue-600); color: var(--white); padding: 10px 20px; }
.btn-primary:hover { background: #2390FF; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-sm); font-weight: 600; }
.btn-ghost {
  padding: 14px 28px; font-size: 16px;
  border: 1px solid rgba(62, 90, 122, 1);
  color: #D7E4F5; background: transparent;
}
.btn-ghost:hover { border-color: var(--cyan-500); color: var(--cyan-500); }
.btn-white { background: var(--white); color: var(--blue-700); padding: 14px 36px; font-weight: 700; font-size: 16px; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.18); }

@media (max-width: 1180px) { .header-hotline { display: none; } }
@media (max-width: 900px) { .main-nav { display: none; } }

/* ============ 中英切换 ============ */
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid rgba(11, 124, 255, .28);
  background: rgba(11, 124, 255, .06);
  font-family: var(--font-en); font-size: 13px; line-height: 1;
  flex-shrink: 0;
}
.lang-switch .ls-btn {
  color: #6B7C93; text-decoration: none; padding: 2px 2px;
  letter-spacing: .3px; transition: color .2s;
}
.lang-switch .ls-btn:hover { color: var(--blue-600); }
.lang-switch .ls-btn.on { color: var(--blue-700); font-weight: 700; }
.lang-switch .ls-sep { color: #C3D2E3; font-style: normal; font-size: 12px; }
@media (max-width: 1180px) { .lang-switch { margin-left: auto; } }
@media (max-width: 520px) {
  .lang-switch { padding: 3px 8px; font-size: 12px; }
  .header-right { gap: 12px; }
}

/* ============ 面包屑条 ============ */
.crumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--line-300);
}
.crumb-inner {
  display: flex; align-items: center;
  height: 46px;
  font-size: 13px; color: var(--ink-500);
}
.crumb-inner .cb-label { color: var(--ink-400); margin-right: 2px; }
.crumb-inner a { color: var(--ink-500); transition: color .2s; }
.crumb-inner a:hover { color: var(--blue-600); }
.crumb-inner em { font-style: normal; color: var(--ink-400); margin: 0 8px; font-family: var(--font-en); font-size: 12px; }

/* ============ 内页导航头图（底图无文字，标题由页面渲染） ============ */
.page-hero {
  position: relative;
  height: 440px;
  background: url("../images/banner/ph-prod.jpg") center/cover no-repeat;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.72) 36%, rgba(255,255,255,0) 70%);
  pointer-events: none;
}
/* 文字贴左通栏，不受 1320 容器限制 */
.page-hero > .container.ph-txt,
.slide-box .container.sb-txt {
  max-width: none;
  padding-left: var(--hero-gutter);
  padding-right: var(--hero-gutter);
  align-items: flex-start;
}
.page-hero .ph-txt {
  position: relative; z-index: 1; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: none;
}
.page-hero .ph-txt::before {
  content: ""; display: block;
  width: 58px; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, #4FA6FF, #1B7BEA);
  margin-bottom: 24px;
}
.page-hero h1, .page-hero .ph-title {
  font-size: clamp(34px, 3.3vw, 56px);
  font-weight: 800; color: var(--navy-800);
  line-height: 1.12; letter-spacing: 1.5px;
  margin-bottom: 18px;
  max-width: 820px;
}
.page-hero p {
  font-size: clamp(15px, 1.1vw, 18px);
  color: #46586E;
  line-height: 1.8; max-width: 640px;
}
@media (max-width: 900px) {
  .page-hero { height: 320px; }
  .page-hero h1, .page-hero .ph-title { font-size: 30px; letter-spacing: 1px; }
  .page-hero p { font-size: 14.5px; }
  .page-hero .ph-txt::before { width: 46px; height: 3px; margin-bottom: 18px; }
  .page-hero::before { background: linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.6) 62%, rgba(255,255,255,0) 100%); }
}

/* ============ 首页五图大 banner 轮播 ============ */
.slide-box { position: relative; width: 100%; height: 600px; overflow: hidden; }
.slide-box .sb-bd, .slide-box .sb-bd ul, .slide-box .sb-bd li { width: 100%; height: 100%; }
.slide-box .sb-bd ul { position: relative; }
.slide-box .sb-bd li {
  position: absolute; left: 0; top: 0;
  background: center/cover no-repeat;
  opacity: 0; transition: opacity .9s ease;
}
.slide-box .sb-bd li.on { opacity: 1; }
.slide-box .sb-bd li::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(4,12,26,.42) 0%, rgba(4,12,26,.16) 42%, rgba(4,12,26,0) 70%);
}
.slide-box .sb-txt {
  position: relative; z-index: 1; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: none;
}
.slide-box .sb-tag {
  font-size: clamp(13px, 1vw, 15.5px); color: #8FC1FF;
  letter-spacing: 2.5px; margin-bottom: 20px;
  display: inline-flex; align-items: center; gap: 12px;
}
.slide-box .sb-tag::before { content: ""; width: 46px; height: 3px; border-radius: 2px; background: #4FA6FF; }
.slide-box .sb-txt h1, .slide-box .sb-txt h2 {
  font-size: clamp(38px, 4.4vw, 66px);
  font-weight: 900; color: #FFFFFF;
  line-height: 1.1; letter-spacing: 2px; margin-bottom: 20px;
  max-width: 860px;
}
.slide-box .sb-txt p {
  font-size: clamp(15px, 1.15vw, 18.5px);
  color: #C9D6E6;
  line-height: 1.75; max-width: 620px; margin-bottom: 34px;
}
.slide-box .sb-btns { display: flex; gap: 16px; }
.slide-box .sb-btns .btn { padding: 16px 34px; font-size: 16px; font-weight: 600; }
.slide-box .sb-btns .btn-ghost {
  border: 1px solid rgba(255,255,255,.55); color: #FFFFFF;
  background: transparent; transition: background .25s, border-color .25s;
}
.slide-box .sb-btns .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #FFFFFF; }
.slide-box .sb-hd { position: absolute; bottom: 36px; left: 0; width: 100%; text-align: center; z-index: 2; }
.slide-box .sb-hd ul { display: inline-flex; gap: 10px; padding: 0; margin: 0; list-style: none; }
.slide-box .sb-hd li {
  width: 52px; height: 5px; border-radius: 3px;
  background: rgba(255,255,255,.32); cursor: pointer; transition: background .3s;
}
.slide-box .sb-hd li.on { background: #0B7CFF; }
@media (max-width: 900px) {
  .slide-box { height: 430px; }
  .slide-box .sb-txt h1, .slide-box .sb-txt h2 { font-size: 30px; letter-spacing: 1px; }
  .slide-box .sb-txt p { font-size: 14.5px; margin-bottom: 22px; }
  .slide-box .sb-tag { font-size: 12.5px; letter-spacing: 1.5px; margin-bottom: 14px; }
  .slide-box .sb-btns .btn { padding: 12px 22px; font-size: 14px; }
}

/* ============ 区块通用 ============ */
.section { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: linear-gradient(120deg, #2B8BF5 0%, #1266D6 100%); }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  margin: 0 0 36px;
}
.section-head .sh-main h2 {
  font-size: 26px; font-weight: 700; color: var(--ink-900);
  padding-left: 14px; position: relative; line-height: 1.3;
}
.section-head .sh-main h2::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 4px; border-radius: 2px; background: var(--blue-600);
}
.section-dark .section-head .sh-main h2 { color: var(--white); }
.section-dark .section-head .sh-main h2::before { background: var(--cyan-500); }
.section-head .sh-main p { font-size: 14px; color: var(--ink-500); margin-top: 8px; padding-left: 14px; }
.section-dark .section-head .sh-main p { color: #9DB4CF; }
.head-more {
  display: inline-flex; align-items: center; gap: 2px;
  font-size: 13.5px; color: var(--ink-500); white-space: nowrap;
  padding-bottom: 2px; transition: color .2s;
}
.head-more svg { width: 15px; height: 15px; }
.head-more:hover { color: var(--blue-600); }
.section-head-left { text-align: left; margin: 0 0 40px; max-width: 720px; }

/* ============ 首页 Hero ============ */
.hero {
  background: linear-gradient(115deg, #1D6FD0 0%, #0B448F 100%);
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; right: -160px; top: -160px;
  width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,219,.14) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner { display: flex; align-items: center; gap: 48px; position: relative; z-index: 1; }
.hero-copy { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 100px;
  border: 1px solid rgba(0,194,219,.5);
  font-size: 13px; color: #8FD8E8; margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-500); }
.hero h1 {
  font-size: 58px; font-weight: 900; color: var(--white);
  line-height: 1.2; letter-spacing: 2px; margin-bottom: 20px;
}
.hero .sub {
  font-size: 17px; color: #A9BDD6; line-height: 1.8;
  margin-bottom: 32px; max-width: 560px;
}
.hero-btns { display: flex; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.hero-trust { font-size: 14px; color: #7FA8D9; }
.hero-img {
  width: 600px; height: 440px; border-radius: var(--radius-lg);
  object-fit: cover; flex-shrink: 0;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
@media (max-width: 1200px) {
  .hero-img { width: 46%; height: 380px; }
  .hero h1 { font-size: 46px; }
}
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; }
  .hero-img { width: 100%; height: 320px; }
  .hero h1 { font-size: 38px; }
}

/* ============ 数据统计条 ============ */
.stats-bar {
  background: linear-gradient(90deg, #2E86F0 0%, #146FD2 100%);
  padding: 32px 0;
}
.stats-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.stat { text-align: center; flex: 1; min-width: 160px; }
.stat .num {
  font-family: var(--font-en);
  font-size: 36px; font-weight: 700; color: var(--white); line-height: 1.2;
}
.stat .label { font-size: 14px; color: #CFE2F8; margin-top: 6px; }

/* ============ 产品卡片 ============ */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1024px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line-300);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.product-card .pic { height: 220px; overflow: hidden; }
.product-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .pic img { transform: scale(1.05); }
.product-card .body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card h3 { font-size: 18px; font-weight: 600; color: var(--ink-900); }
.product-card p { font-size: 13px; color: var(--ink-500); line-height: 1.7; flex: 1; }
.product-card .more { font-size: 13px; font-weight: 600; color: var(--blue-600); }
.product-card:hover .more { text-decoration: underline; }

/* ============ 选择永探的理由（左标题 + 编号清单） ============ */
.adv-sec { padding: 82px 0; position: relative; overflow: hidden; }
.adv-sec::after {
  content: ""; position: absolute; right: -180px; top: -180px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.16) 0%, rgba(255,255,255,0) 68%);
  pointer-events: none;
}
.adv-split {
  display: grid; grid-template-columns: 340px 1fr;
  gap: 72px; align-items: start;
  position: relative; z-index: 1;
}
.adv-kicker {
  display: block;
  font-family: var(--font-en);
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 4px;
  color: rgba(255,255,255,.62);
  margin-bottom: 18px;
}
.adv-intro h2 {
  font-size: clamp(28px, 2.4vw, 40px);
  font-weight: 800; color: var(--white);
  line-height: 1.24; letter-spacing: 1.5px;
  margin-bottom: 20px;
}
.adv-intro p {
  font-size: 14px; color: rgba(255,255,255,.84);
  line-height: 1.9; margin-bottom: 28px;
}
.adv-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--white);
  padding: 12px 22px; border-radius: var(--radius-xs);
  border: 1px solid rgba(255,255,255,.55);
  transition: all .25s;
}
.adv-link:hover { background: var(--white); color: var(--blue-700); border-color: var(--white); }
.adv-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 52px; }
.adv-item {
  display: grid; grid-template-columns: 52px 1fr; gap: 6px;
  padding: 26px 0;
  border-top: 1px solid rgba(255,255,255,.24);
  transition: border-color .25s;
}
.adv-item:hover { border-top-color: rgba(255,255,255,.7); }
.adv-item .num {
  font-family: var(--font-en);
  font-size: 30px; font-weight: 800; line-height: 1;
  color: rgba(255,255,255,.45);
  letter-spacing: -1px;
  transition: color .25s;
}
.adv-item:hover .num { color: var(--white); }
.adv-item h3 { font-size: 16.5px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.adv-item p { font-size: 13px; color: rgba(255,255,255,.82); line-height: 1.75; }
@media (max-width: 1100px) {
  .adv-split { grid-template-columns: 1fr; gap: 36px; }
  .adv-intro h2 br { display: none; }
}
@media (max-width: 760px) {
  .adv-list { grid-template-columns: 1fr; gap: 0; }
  .adv-sec { padding: 56px 0; }
}

/* ============ 方案卡片 ============ */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1024px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .sol-grid { grid-template-columns: 1fr; } }
.sol-card {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform .25s, box-shadow .25s;
}
.sol-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); background: var(--white); }
.sol-card .icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(11,124,255,.1); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.sol-card .icon svg { width: 24px; height: 24px; }
.sol-card h2, .sol-card h3 { font-size: 17px; font-weight: 600; color: var(--ink-900); margin-bottom: 8px; }
.sol-card p { font-size: 13px; color: var(--ink-500); line-height: 1.7; }

/* ============ 工厂图库 ============ */
.factory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1024px) { .factory-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .factory-grid { grid-template-columns: 1fr; } }
.factory-item .pic { border-radius: 10px; overflow: hidden; height: 200px; }
.factory-item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.factory-item:hover .pic img { transform: scale(1.06); }
.factory-item figcaption { font-size: 14px; font-weight: 500; color: var(--ink-900); margin-top: 10px; }

/* ============ 首页工厂 bento 布局 ============ */
.factory-bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 218px; gap: 18px; }
.factory-bento figure {
  position: relative; margin: 0; border-radius: 12px; overflow: hidden;
}
.factory-bento .fb-big { grid-column: 1 / 3; grid-row: 1 / 3; }
.factory-bento img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s; }
.factory-bento figure:hover img { transform: scale(1.05); }
.factory-bento figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 42px 16px 12px;
  background: linear-gradient(180deg, rgba(7,25,48,0) 0%, rgba(7,25,48,.78) 100%);
  color: var(--white); font-size: 14px; font-weight: 500; letter-spacing: .5px;
}
@media (max-width: 1024px) {
  .factory-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .factory-bento .fb-big { grid-column: 1 / 3; grid-row: auto; }
}
@media (max-width: 560px) {
  .factory-bento { grid-template-columns: 1fr; grid-auto-rows: 210px; }
  .factory-bento .fb-big { grid-column: auto; }
}

/* ============ 友情链接 ============ */
.friend-links {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 8px 24px;
  margin-top: 34px; padding-top: 20px;
  border-top: 1px solid var(--line-200);
  font-size: 13px;
}
.friend-links .fl-label { font-weight: 600; color: var(--ink-900); }
.friend-links a { color: var(--ink-500); transition: color .2s; }
.friend-links a:hover { color: var(--blue-600); }

/* ============ 关于区块 ============ */
.about-row { display: flex; align-items: center; gap: 48px; }
.about-copy { flex: 1; min-width: 0; }
.about-copy h2 { font-size: 32px; font-weight: 700; margin: 12px 0 16px; }
.about-copy .para { font-size: 14px; color: var(--ink-500); line-height: 1.9; margin-bottom: 24px; }
.cert-row { display: flex; gap: 12px; flex-wrap: wrap; }
.cert-badge {
  padding: 8px 16px; border-radius: var(--radius-xs);
  border: 1px solid var(--line-200);
  font-family: var(--font-en);
  font-size: 13px; font-weight: 600; color: var(--blue-700);
}
.about-img { width: 520px; height: 380px; border-radius: 14px; object-fit: cover; flex-shrink: 0; }
@media (max-width: 1100px) { .about-row { flex-direction: column; } .about-img { width: 100%; height: 320px; } }

/* ============ 新闻 & FAQ ============ */
.news-faq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
@media (max-width: 900px) { .news-faq-row { grid-template-columns: 1fr; } }
.col-title { font-size: 24px; font-weight: 700; margin-bottom: 20px; }
.news-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line-300); align-items: baseline; }
.news-list .date { font-family: var(--font-en); font-size: 13px; color: var(--ink-400); flex-shrink: 0; }
.news-list a { font-size: 14px; color: var(--ink-600); transition: color .2s; }
.news-list a:hover { color: var(--blue-600); }
.faq-item { padding: 16px 0; border-bottom: 1px dashed var(--line-300); }
.faq-item .q { font-size: 15px; font-weight: 600; color: var(--ink-900); margin-bottom: 6px; }
.faq-item .a { font-size: 13px; color: var(--ink-500); line-height: 1.7; }

/* ============ 底部 CTA ============ */
.cta-band {
  background: linear-gradient(90deg, #2E8BFF 0%, #1466D8 100%);
  padding: 64px 0; text-align: center;
}
.cta-band h2 { font-size: 34px; font-weight: 700; color: var(--white); margin-bottom: 14px; }
.cta-band p { font-size: 16px; color: #D6E7FF; margin-bottom: 28px; }

/* ============ 页脚 ============ */
.site-footer { background: #134B82; padding: 56px 0 24px; }
.footer-top { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-brand { max-width: 320px; }
.footer-logo {
  display: inline-flex; align-items: center;
  background: var(--white);
  padding: 8px 14px; border-radius: 8px;
  margin-bottom: 14px;
}
.footer-logo img { height: 42px; width: auto; display: block; }
.footer-brand .name { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer-brand .desc { font-size: 13px; color: #B3CCE8; line-height: 1.7; }
.footer-col h4, .footer-col .ft-title { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 14px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13px; color: #B3CCE8; transition: color .2s; }
.footer-col a:hover { color: #FFFFFF; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 20px;
  font-size: 12px; color: #9FBCE0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ============ 产品详情页组件 ============ */
.pd-block { display: flex; gap: 48px; align-items: center; padding: 56px 0; }
.pd-block:nth-child(even) { flex-direction: row-reverse; background: var(--bg-soft); }
.pd-img { width: 46%; border-radius: var(--radius-md); overflow: hidden; flex-shrink: 0; }
.pd-img img { width: 100%; height: 360px; object-fit: cover; }
.pd-copy { flex: 1; }
.pd-copy .tag { font-family: var(--font-en); font-size: 13px; font-weight: 600; color: var(--blue-600); letter-spacing: 1.5px; display: block; margin-bottom: 10px; }
.pd-copy h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
.pd-copy .desc { font-size: 14px; color: var(--ink-500); line-height: 1.9; margin-bottom: 20px; }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin-bottom: 22px; }
.spec-list li {
  font-size: 13px; color: var(--ink-600);
  padding: 10px 14px; background: var(--bg-soft);
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--blue-600);
}
@media (max-width: 900px) {
  .pd-block, .pd-block:nth-child(even) { flex-direction: column; }
  .pd-img { width: 100%; }
  .pd-img img { height: 260px; }
}

/* ============ 解决方案详情 ============ */
.sol-detail {
  display: flex; gap: 32px; align-items: flex-start;
  padding: 32px; border-radius: var(--radius-md);
  background: var(--white); border: 1px solid var(--line-300);
  margin-bottom: 20px;
}
.sol-detail .icon {
  width: 56px; height: 56px; border-radius: 14px; flex-shrink: 0;
  background: rgba(11,124,255,.1);
  display: flex; align-items: center; justify-content: center;
}
.sol-detail .icon svg { width: 30px; height: 30px; }
.sol-detail h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.sol-detail p { font-size: 14px; color: var(--ink-500); line-height: 1.8; margin-bottom: 12px; }
.sol-detail .chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: 12px; color: var(--blue-700);
  background: rgba(11,124,255,.08);
  padding: 4px 12px; border-radius: 100px;
}

/* ============ 工厂实力页 ============ */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
@media (max-width: 1024px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
.cap-card { background: var(--white); border: 1px solid var(--line-300); border-radius: var(--radius-md); padding: 24px; }
.cap-card .num { font-family: var(--font-en); font-size: 32px; font-weight: 700; color: var(--blue-600); }
.cap-card h4, .cap-card .ft-title { font-size: 15px; font-weight: 600; margin: 8px 0 6px; }
.cap-card p { font-size: 13px; color: var(--ink-500); }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
@media (max-width: 1024px) { .process-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .process-list { grid-template-columns: 1fr; } }
.process-item { background: var(--white); border: 1px solid var(--line-300); border-radius: var(--radius-md); padding: 22px 20px; position: relative; }
.process-item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-en);
  font-size: 26px; font-weight: 700; color: rgba(11,124,255,.18);
  display: block; margin-bottom: 10px;
}
.process-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.process-item p { font-size: 12.5px; color: var(--ink-500); line-height: 1.6; }

/* ============ 关于我们页 ============ */
.timeline { position: relative; padding-left: 28px; margin-top: 40px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--line-300); }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 7px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--blue-600);
}
.tl-item .year { font-family: var(--font-en); font-size: 18px; font-weight: 700; color: var(--blue-600); margin-bottom: 4px; }
.tl-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.tl-item p { font-size: 13.5px; color: var(--ink-500); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { background: var(--white); border: 1px solid var(--line-300); border-radius: var(--radius-md); padding: 28px; }
.contact-card .icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(11,124,255,.1); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card h4, .contact-card .ft-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.contact-card p { font-size: 14px; color: var(--ink-500); }

/* ============ 二级导航下拉 ============ */
.nav-item { position: relative; }
.nav-item > a { display: inline-block; }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--white);
  min-width: 176px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  border: 1px solid #E4EDF8;
  box-shadow: 0 12px 32px rgba(18, 64, 118, .14);
  padding: 8px 0;
  opacity: 0; visibility: hidden;
  transition: all .22s ease;
  z-index: 200;
}
.dropdown::before {
  content: ""; position: absolute; top: -6px; left: 50%;
  width: 12px; height: 12px; background: var(--white);
  transform: translateX(-50%) rotate(45deg);
}
.nav-item:hover .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-item:hover > a { color: var(--blue-600); }
.dropdown a {
  display: block; padding: 10px 18px;
  font-size: 14px; color: var(--ink-600);
  text-align: center; white-space: nowrap;
  transition: all .15s;
}
.dropdown a:hover, .dropdown a.active { background: var(--bg-soft); color: var(--blue-600); }

/* ============ 移动端汉堡菜单 ============ */
.menu-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid #C6D8EC;
  border-radius: var(--radius-xs);
  cursor: pointer; padding: 9px 8px;
}
.menu-toggle span {
  display: block; height: 2px; border-radius: 2px;
  background: #2B4260;
}
@media (max-width: 1180px) { .header-phone { display: none; } .menu-toggle { display: flex; } }
@media (max-width: 900px) {
  .main-nav {
    display: none;
    position: absolute; top: 78px; left: 0; right: 0;
    background: #FFFFFF;
    flex-direction: column; align-items: stretch;
    padding: 8px 24px 24px; gap: 0;
    max-height: calc(100vh - 78px); overflow-y: auto;
    box-shadow: 0 20px 40px rgba(18,64,118,.12);
    border-top: 1px solid #E4EDF8;
  }
  .main-nav.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-item > a {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; padding: 14px 0;
    font-size: 15px;
    border-bottom: 1px solid #E4EDF8;
  }
  .nav-item > a.active::after { display: none; }
  .dropdown {
    position: static; transform: none;
    opacity: 1; visibility: visible;
    background: transparent; box-shadow: none;
    padding: 4px 0 8px 12px; min-width: 0;
    display: block;
  }
  .dropdown::before { display: none; }
  .dropdown a { text-align: left; color: #5D7290; padding: 9px 0; }
  .dropdown a:hover { background: transparent; color: var(--blue-600); }
  .header-right .btn { display: none; }
  .header-inner { height: 64px; }
  .main-nav { top: 64px; max-height: calc(100vh - 64px); }
}
@media (min-width: 901px) and (max-width: 1180px) {
  .menu-toggle { display: flex; }
  .main-nav { display: none; }
  .main-nav.open {
    display: flex; position: absolute; top: 78px; left: 0; right: 0;
    background: #FFFFFF; flex-direction: column; align-items: stretch;
    padding: 8px 24px 24px; gap: 0; max-height: calc(100vh - 78px); overflow-y: auto;
    border-top: 1px solid #E4EDF8;
  }
  .nav-item { width: 100%; }
  .nav-item > a { display: flex; justify-content: space-between; width: 100%; padding: 14px 0; border-bottom: 1px solid #E4EDF8; }
  .dropdown { position: static; transform: none; opacity: 1; visibility: visible; background: transparent; box-shadow: none; padding: 4px 0 8px 12px; min-width: 0; display: block; }
  .dropdown::before { display: none; }
  .dropdown a { text-align: left; color: #5D7290; padding: 9px 0; }
  .header-right .btn { display: none; }
}
/* 移动端展开二级：点击一级栏目展开（首个 a 为链接时阻止跳转由 JS 处理可选） */

/* ============ 文章正文 ============ */
.article-body p { font-size: 14.5px; color: var(--ink-600); line-height: 1.95; margin-bottom: 14px; }
.article-body h2 { font-size: 19px; font-weight: 600; color: var(--ink-900); margin: 26px 0 12px; }
.article-body h3 { font-size: 16px; font-weight: 600; margin: 20px 0 10px; }

/* ============ 文章关键词标签 ============ */
.art-tags {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin: 32px 0 0; padding-top: 22px;
  border-top: 1px solid var(--line-300);
}
.art-tags .at-label {
  font-size: 13px; font-weight: 600; color: var(--ink-900);
  letter-spacing: .5px; margin-right: 2px;
}
.tag-chip {
  font-size: 13px; line-height: 1;
  color: var(--blue-700); background: #EDF4FE;
  border: 1px solid #DCE9FB;
  padding: 8px 13px; border-radius: 999px;
  transition: all .2s;
}
.tag-chip:hover {
  background: var(--blue-600); border-color: var(--blue-600); color: var(--white);
  transform: translateY(-1px);
}

/* ============ 文章推荐产品 ============ */
.art-prods { margin-top: 34px; padding: 24px 24px 26px; background: var(--bg-soft); border-radius: 14px; }
.ap-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.ap-head h3 { font-size: 17px; font-weight: 700; color: var(--ink-900); position: relative; padding-left: 12px; }
.ap-head h3::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 16px; border-radius: 2px; background: var(--blue-600);
}
.ap-all {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; color: var(--ink-500); transition: color .2s;
}
.ap-all:hover { color: var(--blue-600); }
.ap-all svg { width: 14px; height: 14px; }
.ap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 760px) { .ap-grid { grid-template-columns: 1fr; } }
.ap-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--white); border: 1px solid var(--line-200);
  border-radius: 10px; padding: 12px;
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.ap-card:hover {
  border-color: rgba(11,124,255,.45);
  box-shadow: 0 8px 22px rgba(10,40,90,.10);
  transform: translateY(-2px);
}
.ap-pic { width: 66px; height: 66px; flex-shrink: 0; border-radius: 8px; overflow: hidden; background: #F0F4FA; }
.ap-pic img { width: 100%; height: 100%; object-fit: cover; }
.ap-icon {
  width: 50px; height: 50px; flex-shrink: 0; border-radius: 10px;
  background: #EDF4FE; color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.ap-icon svg { width: 24px; height: 24px; }
.ap-card:hover .ap-icon { background: var(--blue-600); color: var(--white); }
.ap-txt { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ap-name {
  font-size: 13.5px; font-weight: 500; color: var(--ink-900); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ap-go {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 12px; color: var(--blue-600);
}
.ap-go svg { width: 12px; height: 12px; transition: transform .2s; }
.ap-card:hover .ap-go svg { transform: translateX(3px); }

/* ============ 文章上一篇 / 下一篇 ============ */
.art-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  margin-top: 34px; padding-top: 26px;
  border-top: 1px solid var(--line-300);
}
.an-item {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--line-300); border-radius: 12px;
  background: var(--white);
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.an-item:hover {
  border-color: rgba(11,124,255,.45);
  box-shadow: 0 10px 24px rgba(11,51,102,.09);
  transform: translateY(-2px);
}
.an-dir {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; font-weight: 500; color: var(--blue-600); letter-spacing: .5px;
}
.an-dir svg { width: 14px; height: 14px; transition: transform .22s; }
.an-prev:hover .an-dir svg { transform: translateX(-3px); }
.an-next:hover .an-dir svg { transform: translateX(3px); }
.an-title {
  font-size: 14.5px; font-weight: 600; line-height: 1.6; color: var(--ink-900);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.an-next { text-align: right; }
.an-next .an-dir { justify-content: flex-end; }
@media (max-width: 640px) {
  .art-nav { grid-template-columns: 1fr; }
  .an-next { text-align: left; }
  .an-next .an-dir { justify-content: flex-start; }
}

/* ============ 组织架构 ============ */
.org-tree { max-width: 960px; margin: 0 auto; text-align: center; }
.org-root {
  display: inline-block; background: var(--blue-600); color: var(--white);
  font-size: 17px; font-weight: 600;
  padding: 14px 44px; border-radius: var(--radius-sm);
  margin-bottom: 28px;
}
.org-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .org-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .org-grid { grid-template-columns: 1fr; } }
.org-node {
  background: var(--white); border: 1px solid var(--line-300);
  border-top: 3px solid var(--blue-600);
  border-radius: var(--radius-md); padding: 20px 18px; text-align: left;
}
.org-node h2, .org-node h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.org-node p { font-size: 13px; color: var(--ink-500); line-height: 1.7; }

/* ============ 新闻页 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }
.news-card { background: var(--white); border: 1px solid var(--line-300); border-radius: var(--radius-md); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.news-card .pic { height: 180px; overflow: hidden; }
.news-card .pic img { width: 100%; height: 100%; object-fit: cover; }
.news-card .body { padding: 20px; }
.news-card .date { font-family: var(--font-en); font-size: 12px; color: var(--ink-400); margin-bottom: 8px; }
.news-card h3 { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
.news-card p { font-size: 13px; color: var(--ink-500); line-height: 1.7; }

/* ============ 双栏布局（列表页/详情页） ============ */
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 36px;
  align-items: start;
}
@media (max-width: 1000px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ============ 侧栏 ============ */
.side-col { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 100px; }
.side-box {
  background: var(--white);
  border: 1px solid var(--line-300);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
}
.side-box h4, .side-box .ft-title {
  font-size: 16px; font-weight: 600; color: var(--ink-900);
  padding-left: 12px; position: relative; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.side-box h4::before, .side-box .ft-title::before {
  content: ""; position: absolute; left: 0; top: 2px; bottom: 2px;
  width: 3px; border-radius: 2px; background: var(--blue-600);
}
.side-box h4 .side-more a, .side-box .ft-title .side-more a { font-size: 12.5px; font-weight: 400; color: var(--ink-400); }
.side-box h4 .side-more a:hover, .side-box .ft-title .side-more a:hover { color: var(--blue-600); }
.side-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-300);
  display: flex; flex-direction: column; gap: 4px;
}
.side-list li:last-child { border-bottom: none; padding-bottom: 2px; }
.side-list li a {
  font-size: 13.5px; color: var(--ink-600); line-height: 1.55;
  transition: color .2s;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.side-list li a:hover { color: var(--blue-600); }
.side-list li .d { font-family: var(--font-en); font-size: 12px; color: var(--ink-400); }
.side-contact p { font-size: 13.5px; color: var(--ink-500); margin-bottom: 8px; }
.side-contact .side-tel {
  font-family: var(--font-en); font-size: 21px; font-weight: 700;
  color: var(--blue-600); margin: 4px 0 10px;
}
.side-contact .btn { width: 100%; margin-top: 6px; }

/* ============ 新闻图文列表 ============ */
.news-rows { display: flex; flex-direction: column; gap: 16px; }
.news-row {
  background: var(--white);
  border: 1px solid var(--line-300);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex; gap: 20px; align-items: flex-start;
  transition: box-shadow .25s, border-color .25s;
}
.news-row:hover { border-color: var(--line-200); box-shadow: var(--shadow-card); }
.news-row .pic {
  width: 220px; height: 140px; flex-shrink: 0;
  border-radius: var(--radius-sm); overflow: hidden;
}
.news-row .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-row:hover .pic img { transform: scale(1.05); }
.news-row .info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.news-row h2, .news-row h3, .news-row .nr-title { font-size: 17px; font-weight: 600; line-height: 1.5; }
.news-row h2 a, .news-row h3 a, .news-row .nr-title a { color: var(--ink-900); transition: color .2s; }
.news-row h2 a:hover, .news-row h3 a:hover, .news-row .nr-title a:hover { color: var(--blue-600); }
.news-row .excerpt {
  font-size: 13.5px; color: var(--ink-500); line-height: 1.75;
  margin-top: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-row .meta {
  margin-top: auto; padding-top: 12px;
  display: flex; gap: 18px;
  font-size: 12.5px; color: var(--ink-400);
}
.news-row .meta .date { font-family: var(--font-en); }
@media (max-width: 640px) {
  .news-row { flex-direction: column; }
  .news-row .pic { width: 100%; height: 180px; }
}

/* ============ 相关产品 ============ */
.related-wrap { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--line-300); }
.rel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1024px) { .rel-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .rel-grid { grid-template-columns: 1fr; } }
.rel-item {
  border: 1px solid var(--line-300); border-radius: var(--radius-md);
  overflow: hidden; background: var(--white);
  display: flex; flex-direction: column;
  transition: box-shadow .25s, transform .25s;
}
.rel-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.rel-item img { width: 100%; height: 150px; object-fit: cover; }
.rel-item span {
  padding: 12px 14px; font-size: 13px; color: var(--ink-600); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ============================================================
   转化落地页（Landing Page）组件
   ============================================================ */
.lp-top { position: fixed; top: 0; left: 0; right: 0; z-index: 60; background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-300);
  transform: translateY(-100%); transition: transform .3s ease; }
.lp-top.show { transform: translateY(0); }
.lp-top-in { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.lp-top-right { display: flex; align-items: center; gap: 16px; }
.lp-tel { display: flex; align-items: center; gap: 10px; color: var(--ink-900); }
.lp-tel svg { width: 22px; height: 22px; color: var(--blue-600); flex: none; }
.lp-tel em { display: block; font-style: normal; font-size: 11.5px; color: var(--ink-400); line-height: 1.2; }
.lp-tel b { display: block; font-size: 17px; font-weight: 700; color: var(--blue-700); letter-spacing: .3px; }

/* ---- 首屏 ---- */
.lp-hero { position: relative; padding: 72px 0 76px; background-size: cover; background-position: center;
  background-color: #fff; }
.lp-hero::before { content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.9) 42%, rgba(255,255,255,.55) 72%, rgba(255,255,255,.2) 100%); }
.lp-hero-in { position: relative; display: grid; grid-template-columns: minmax(0,1.1fr) 400px; gap: 48px; align-items: start; }
.lp-tag { display: inline-block; font-size: 12.5px; color: #0B5CB8; letter-spacing: 1px;
  border: 1px solid rgba(11,124,255,.35); border-radius: 999px; padding: 5px 14px; margin-bottom: 18px; }
.lp-hero-copy h1 { color: var(--navy-800); font-size: clamp(28px, 3.4vw, 44px); line-height: 1.25; font-weight: 800; letter-spacing: -.5px; }
.lp-sub { color: #46586E; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.85; margin: 16px 0 24px; max-width: 640px; }
.lp-points { display: grid; gap: 12px; margin-bottom: 30px; }
.lp-points li { display: flex; align-items: flex-start; gap: 10px; color: #33475F; font-size: 15px; line-height: 1.6; }
.lp-points svg { width: 20px; height: 20px; flex: none; color: #4ADE80; margin-top: 2px; }
.lp-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.lp-cta .btn-ghost { color: #0B5CB8; border-color: rgba(11,124,255,.45); }
.lp-cta .btn-ghost:hover { background: rgba(11,124,255,.08); border-color: var(--blue-600); }

/* ---- 首屏表单卡 ---- */
.lp-form-card { background: #fff; border-radius: var(--radius-lg); padding: 28px 26px;
  box-shadow: 0 18px 44px rgba(10,27,46,.12); }
.lp-form h2 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.lp-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.lp-form-sub { font-size: 13px; color: var(--ink-500); margin-bottom: 18px; line-height: 1.6; }
.lp-form label { display: block; margin-bottom: 13px; }
.lp-form label span { display: block; font-size: 12.5px; color: var(--ink-600); margin-bottom: 6px; font-weight: 600; }
.lp-form input, .lp-form select, .lp-form textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line-200); border-radius: var(--radius-xs);
  font-size: 14px; font-family: inherit; color: var(--ink-900); background: #fff; transition: border-color .2s, box-shadow .2s; }
.lp-form input:focus, .lp-form select:focus, .lp-form textarea:focus {
  outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(11,124,255,.12); }
.lp-form textarea { resize: vertical; }
.lp-form button { width: 100%; margin-top: 6px; }
.lp-form-ok { display: none; margin-top: 10px; font-size: 13.5px; color: #16A34A; background: #F0FDF4;
  border: 1px solid #BBF7D0; border-radius: var(--radius-xs); padding: 9px 12px; }
.lp-form-tip { margin-top: 12px; font-size: 12.5px; color: var(--ink-400); line-height: 1.6; }
.lp-form-tip a { color: var(--blue-600); font-weight: 600; }

/* ---- 信任条 / 资质条 ---- */
.lp-trust { background: var(--navy-800); padding: 30px 0; }
.lp-trust-in { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; text-align: center; }
.lp-stat b { display: block; font-size: 28px; font-weight: 800; color: #fff; font-family: var(--font-en); line-height: 1.2; }
.lp-stat span { display: block; font-size: 12.5px; color: #9DB4CF; margin-top: 4px; }
.lp-cert { background: var(--bg-soft); border-bottom: 1px solid var(--line-300); }
.lp-cert-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px; padding: 14px 0; }
.lp-cert-in span { font-size: 13px; color: var(--ink-600); font-weight: 500; }
.lp-cert-in i { width: 1px; height: 12px; background: var(--line-200); display: inline-block; }

/* ---- 痛点 → 方案 ---- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pain-item { background: #fff; border: 1px solid var(--line-300); border-radius: var(--radius-md);
  padding: 22px 22px 20px; transition: box-shadow .25s, transform .25s; }
.pain-item:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.pi-b { padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px dashed var(--line-300); }
.pi-tag { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 4px;
  background: #FEF2F2; color: #DC2626; margin-bottom: 8px; }
.pi-tag-ok { background: #EFF6FF; color: var(--blue-700); }
.pain-item p { font-size: 14px; color: var(--ink-600); line-height: 1.75; }
.pi-b p { color: var(--ink-500); }

/* ---- 参数表 ---- */
.lp-spec-wrap { display: grid; grid-template-columns: 380px minmax(0,1fr); gap: 40px; align-items: start; }
.lp-spec-copy h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.lp-spec-copy p { font-size: 14.5px; color: var(--ink-500); line-height: 1.85; margin-bottom: 20px; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--line-300); }
.spec-table th, .spec-table td { padding: 13px 18px; font-size: 14px; text-align: left; border-bottom: 1px solid var(--line-300); }
.spec-table th { width: 30%; background: var(--bg-soft); color: var(--ink-600); font-weight: 600; }
.spec-table td { color: var(--ink-900); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

/* ---- 场景卡 ---- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene-card { background: #fff; border: 1px solid var(--line-300); border-radius: var(--radius-md); overflow: hidden;
  transition: box-shadow .25s, transform .25s; }
.scene-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.scene-card .pic { height: 150px; overflow: hidden; }
.scene-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.scene-card:hover .pic img { transform: scale(1.05); }
.scene-card .body { padding: 16px 18px 20px; }
.scene-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.scene-card p { font-size: 13px; color: var(--ink-500); line-height: 1.7; }

/* ---- 流程 ---- */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.flow-item { position: relative; background: #fff; border: 1px solid var(--line-300); border-radius: var(--radius-md); padding: 26px 22px; }
.flow-item::after { content: ""; position: absolute; right: -12px; top: 50%; width: 8px; height: 8px;
  border-top: 2px solid var(--line-200); border-right: 2px solid var(--line-200); transform: translateY(-50%) rotate(45deg); }
.flow-item:last-child::after { display: none; }
.fi-num { display: inline-block; font-family: var(--font-en); font-size: 22px; font-weight: 800; color: var(--blue-600);
  opacity: .35; margin-bottom: 6px; }
.flow-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.flow-item p { font-size: 13.5px; color: var(--ink-500); line-height: 1.75; }

.lp-faq-wrap { max-width: 900px; }
.lp-faq-wrap .q { font-size: 16px; }

/* ============================================================
   内容矩阵版式：选型指南 / 对比页
   ============================================================ */
.guide-wrap { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 44px; align-items: start; }
.g-toc-in { position: sticky; top: 96px; background: #fff; border: 1px solid var(--line-300);
  border-radius: var(--radius-md); padding: 20px 18px; }
.g-toc-in .ft-title { font-size: 14px; font-weight: 700; color: var(--ink-900); margin-bottom: 12px; }
.g-toc a { display: block; font-size: 13.5px; color: var(--ink-600); padding: 8px 10px; border-radius: var(--radius-xs);
  border-left: 2px solid transparent; transition: all .2s; }
.g-toc a:hover { color: var(--blue-600); background: var(--bg-soft); border-left-color: var(--blue-600); }
.g-lead { font-size: 15.5px; line-height: 1.9; color: var(--ink-600); background: var(--bg-soft);
  border-left: 3px solid var(--blue-600); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 16px 20px; margin-bottom: 32px; }
.g-sec { margin-bottom: 44px; scroll-margin-top: 96px; }
.g-sec h2 { font-size: 21px; font-weight: 700; color: var(--ink-900); padding-bottom: 12px; margin-bottom: 16px;
  border-bottom: 1px solid var(--line-300); }
.g-sec p { font-size: 15px; line-height: 1.9; color: var(--ink-600); margin-bottom: 14px; }
.g-sec .spec-table { margin: 16px 0 20px; }
.g-list { margin: 12px 0 18px; display: grid; gap: 8px; }
.g-list li { position: relative; padding-left: 20px; font-size: 14.5px; color: var(--ink-600); line-height: 1.8; }
.g-list li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--blue-600); }
.tip-box { background: #FFFBEB; border: 1px solid #FDE68A; border-radius: var(--radius-sm); padding: 14px 18px; margin: 16px 0; }
.tip-box b { display: block; font-size: 13.5px; color: #B45309; margin-bottom: 4px; }
.tip-box p { font-size: 13.5px; color: #92400E; line-height: 1.75; margin: 0; }
.g-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: linear-gradient(120deg, var(--navy-800), #123A63); border-radius: var(--radius-lg); padding: 30px 32px; }
.g-cta h2 { font-size: 20px; color: #fff; font-weight: 700; margin-bottom: 6px; }
.g-cta p { font-size: 13.5px; color: #A9C3DE; margin: 0; }

.cmp-wrap { overflow-x: auto; }
.cmp-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line-300);
  border-radius: var(--radius-md); overflow: hidden; min-width: 720px; }
.cmp-table thead th { background: var(--navy-800); color: #fff; font-size: 14.5px; font-weight: 600; padding: 14px 20px; text-align: left; }
.cmp-table thead th:first-child { background: var(--navy-700); width: 22%; }
.cmp-table tbody th { text-align: left; background: var(--bg-soft); color: var(--ink-600); font-weight: 600;
  font-size: 14px; padding: 13px 20px; border-bottom: 1px solid var(--line-300); }
.cmp-table tbody td { font-size: 14px; color: var(--ink-900); padding: 13px 20px; border-bottom: 1px solid var(--line-300); line-height: 1.7; }
.cmp-table tbody tr:last-child th, .cmp-table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   移动端吸底转化条
   ============================================================ */
.mobar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  background: #fff; border-top: 1px solid var(--line-300); box-shadow: 0 -6px 20px rgba(10,27,46,.10);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); }
.mobar .mb-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.mb-item { flex: 1; height: 46px; border-radius: var(--radius-sm); font-size: 12.5px; color: var(--ink-600); font-weight: 600; }
.mb-item svg { width: 18px; height: 18px; color: var(--blue-600); }
.mb-wx { color: var(--ink-600); border: 1px solid var(--line-200); }
.mb-primary { flex: 1.6; background: var(--blue-600); color: #fff; font-size: 14px; }

/* ---- 无障碍隐藏标题 ---- */
.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; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .lp-hero-in { grid-template-columns: 1fr; gap: 32px; }
  .lp-form-card { max-width: 460px; }
  .lp-trust-in { grid-template-columns: repeat(3, 1fr); row-gap: 22px; }
  .scene-grid, .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-item::after { display: none; }
  .lp-spec-wrap { grid-template-columns: 1fr; gap: 24px; }
  .guide-wrap { grid-template-columns: 1fr; gap: 24px; }
  .g-toc-in { position: static; }
  .g-toc-in a { display: inline-block; margin: 0 6px 6px 0; border: 1px solid var(--line-300); }
  .g-toc-in a { border-left: 2px solid var(--line-300); }
}
@media (max-width: 768px) {
  .lp-top-in { height: 62px; }
  .lp-tel span { display: none; }
  .lp-tel svg { width: 26px; height: 26px; }
  .lp-hero { padding: 44px 0 48px; }
  .lp-hero::before { background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.85)); }
  .lp-cta .btn { width: 100%; justify-content: center; }
  .pain-grid, .scene-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .lp-trust-in { grid-template-columns: repeat(2, 1fr); }
  .lp-form-card { max-width: none; padding: 22px 18px; }
  .mobar { display: flex; gap: 8px; }
  body { padding-bottom: 64px; }
  .g-cta { padding: 22px 20px; }
  .g-cta .btn { width: 100%; justify-content: center; }
  .spec-table th { width: 38%; }
  .spec-table th, .spec-table td { padding: 11px 12px; font-size: 13px; }
}

/* ---- 组件补全 ---- */
.pi-a { padding-top: 2px; }
.g-main { min-width: 0; }
.main-col { min-width: 0; }
.tb-welcome { color: #5D7290; }
.form-ok { display: none; color: #16A34A; font-size: 14px; }
/* ============ Z-BlogPHP 专属：正文 / 分页 / 评论 ============ */
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: #98A2B3; padding-bottom: 18px; border-bottom: 1px solid #E3E9F0; margin-bottom: 26px; }
.article-content { font-size: 15px; line-height: 1.9; color: #344054; }
.article-content p { margin: 0 0 16px; }
.article-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 8px auto; display: block; }
.article-content h2, .article-content h3 { color: #101828; margin: 28px 0 14px; font-size: 20px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.article-content table th, .article-content table td { border: 1px solid #E3E9F0; padding: 10px 12px; text-align: left; }
.article-content table th { background: #F4F7FA; }
.article-content blockquote { border-left: 3px solid #0B7CFF; background: #F4F7FA; padding: 12px 18px; margin: 16px 0; color: #5A6B7E; }
.article-content a { color: #0B7CFF; }
.article-tags { margin: 30px 0 0; display: flex; gap: 10px; flex-wrap: wrap; }
.article-tags a { font-size: 13px; color: #0B7CFF; background: #EDF4FE; border-radius: 6px; padding: 5px 12px; }
.pagebar { display: flex; justify-content: center; gap: 8px; margin: 44px 0 0; flex-wrap: wrap; }
.pagebar a, .pagebar span { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid #E3E9F0; background: #fff; color: #344054; font-size: 14px; padding: 0 14px; }
.pagebar span.now, .pagebar .now { background: #0B7CFF; border-color: #0B7CFF; color: #fff; }
.comment-list { margin-top: 40px; }
.comment-list h3 { font-size: 20px; color: #101828; margin-bottom: 20px; }
.comment-item { background: #F4F7FA; border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; }
.comment-item .cm-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; color: #5A6B7E; }
.comment-item .cm-head img { width: 34px; height: 34px; border-radius: 50%; }
.comment-item .cm-head b { color: #101828; }
.comment-item .cm-body { font-size: 14px; color: #344054; line-height: 1.8; }
.comment-form { background: #fff; border: 1px solid #E3E9F0; border-radius: 12px; padding: 24px; margin-top: 30px; }
.comment-form h3 { font-size: 18px; color: #101828; margin-bottom: 16px; }
.comment-form .cf-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.comment-form input[type=text], .comment-form textarea { flex: 1 1 200px; border: 1px solid #D5DEE9; border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.comment-form textarea { width: 100%; min-height: 110px; }
.comment-form .cf-verify input { flex: 0 1 140px; }
.comment-form .cf-verify img { height: 38px; border-radius: 8px; vertical-align: middle; }
.comment-form button { background: #0B7CFF; color: #fff; border: 0; border-radius: 8px; padding: 11px 30px; font-size: 15px; cursor: pointer; }
.img-grid2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0; }
.img-grid2 img { width: 100%; border-radius: 10px; border: 1px solid #E3E9F0; }
@media (max-width: 720px) { .img-grid2 { grid-template-columns: repeat(2, 1fr); } }
/* 合作客户页：客户定制案例卡片（线下实拍） */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0; }
.case-grid figure { margin: 0; border: 1px solid #E3E9F0; border-radius: 12px; overflow: hidden; background: #fff; }
.case-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #F4F7FA; display: block; }
.case-grid figcaption { padding: 12px 14px 14px; }
.case-grid figcaption strong { display: block; color: #101828; font-size: 14px; margin-bottom: 4px; }
.case-grid figcaption span { display: block; color: #667085; font-size: 12.5px; line-height: 1.65; }
@media (max-width: 720px) { .case-grid { grid-template-columns: 1fr; } }

/* ============ 补充：主题模板专用类 ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1024px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.field-card { display: block; background: #fff; border: 1px solid #E3E9F0; border-radius: 12px; overflow: hidden; text-decoration: none; transition: transform .25s, box-shadow .25s; }
.field-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(10,27,46,.10); }
.field-card .pic { height: 180px; overflow: hidden; }
.field-card .pic img { width: 100%; height: 100%; object-fit: cover; }
.field-card .body { padding: 16px 18px; }
.field-card h3 { font-size: 16px; font-weight: 600; color: #101828; margin: 0; }
.adv-icon { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 12px; background: rgba(0,194,219,.10); margin-bottom: 14px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: #9DB4CF; }
.page-hero-slim { padding: 64px 0; }
.page-hero-slim h1 { font-size: 34px; }
.empty-tip { text-align: center; padding: 60px 0; color: #5A6B7E; font-size: 15px; }
.top-flag { position: absolute; top: 12px; left: 12px; background: #0B7CFF; color: #fff; font-size: 12px; border-radius: 6px; padding: 3px 10px; }
.news-card.is-top .pic { position: relative; }
.back-top { position: fixed; right: 26px; bottom: 30px; width: 44px; height: 44px; border-radius: 10px; background: #0B7CFF; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; text-decoration: none; opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 90; box-shadow: 0 8px 20px rgba(11,124,255,.35); }
.back-top.show { opacity: 1; pointer-events: auto; }