/* ============================================================
   帧畅传媒官网 — 全站样式（明亮大气 · 优化版）
   白/浅暖灰交替底 + 深炭文字 + 品牌橙红强调 · 响应式
   说明：本文件使用字面量颜色值，避免 CSS 变量解析问题。
   ============================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: #14181f;
  background: #ffffff;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 32px; }

/* ---------- 顶部导航（浅色主题） ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s, box-shadow .35s, padding .35s;
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(20, 24, 31, .07);
  padding: 12px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 13px; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 13px;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%);
  display: grid; place-items: center;
  font-size: 23px; font-weight: 700; color: #fff;
  box-shadow: 0 8px 22px rgba(255, 77, 46, .38);
}
.logo-text {
  color: #14181f; font-size: 21px; font-weight: 800; letter-spacing: 2px;
  display: flex; flex-direction: column; line-height: 1.2;
}
.logo-text small { font-size: 10px; font-weight: 500; letter-spacing: 4px; color: #8a93a3; }
.logo-img { width: 46px; height: 46px; max-width: 46px; max-height: 46px; flex: none; border-radius: 12px; object-fit: contain; background: #fff; padding: 5px; box-shadow: 0 6px 18px rgba(20, 24, 31, .12); }
.main-nav { display: flex; align-items: center; gap: 38px; }
.main-nav a { color: rgba(20, 24, 31, .72); font-size: 16px; position: relative; padding: 6px 0; font-weight: 500; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); border-radius: 2px;
  transition: width .3s;
}
.main-nav a:hover, .main-nav a.active { color: #14181f; }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav .nav-cta {
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); color: #fff !important;
  padding: 12px 30px; border-radius: 999px; font-weight: 600; box-shadow: 0 10px 26px rgba(255, 77, 46, .32);
}
.main-nav .nav-cta::after { display: none; }
.main-nav .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(255, 77, 46, .42); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: #14181f; margin: 6px 0; border-radius: 2px; transition: .3s; }

/* ---------- 首页 Hero（明亮通透） ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 184px 0 96px;
  color: #14181f;
  background:
    radial-gradient(1000px 560px at 88% 12%, rgba(255, 122, 0, .14), transparent 60%),
    radial-gradient(800px 500px at 0% 90%, rgba(255, 77, 46, .08), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #fbf6f1 100%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.04fr .96fr; gap: 64px; align-items: center;
  position: relative; z-index: 2;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid rgba(255, 106, 0, .4); border-radius: 999px;
  padding: 9px 22px; font-size: 14px; letter-spacing: 2px; color: #ff6a00;
  margin-bottom: 30px; background: rgba(255, 245, 238, .7); font-weight: 600;
}
.hero-kicker i { width: 8px; height: 8px; border-radius: 50%; background: #ff6a00; box-shadow: 0 0 12px #ff6a00; }
.hero h1 {
  font-size: clamp(38px, 5.2vw, 70px);
  font-weight: 800; line-height: 1.22; letter-spacing: 1px;
  max-width: 640px; margin-bottom: 26px; color: #14181f;
}
.hero h1 em { font-style: normal; background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead {
  font-size: clamp(16px, 1.5vw, 19px); color: #5b6678;
  max-width: 560px; margin-bottom: 40px; line-height: 1.95;
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 42px; border-radius: 999px;
  font-size: 17px; font-weight: 600; cursor: pointer; border: 0;
  transition: transform .25s, box-shadow .25s, background .25s;
}
.btn-primary { background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); color: #fff; box-shadow: 0 14px 36px rgba(255, 77, 46, .38); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 48px rgba(255, 77, 46, .5); }
.btn-ghost { border: 1.6px solid rgba(20, 24, 31, .2); color: #14181f; background: rgba(255, 255, 255, .55); }
.btn-ghost:hover { border-color: #ff6a00; color: #ff6a00; transform: translateY(-3px); }
.btn-light { background: #fff; color: #ff3d2e; box-shadow: 0 12px 30px rgba(20, 24, 31, .12); }
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(20, 24, 31, .18); }

.hero-figure { position: relative; }
.hero-figure img {
  width: 100%; height: auto; object-fit: contain;
  border-radius: 26px;
  box-shadow: 0 40px 110px rgba(20, 24, 31, .16); background: #fff;
  position: relative; z-index: 2;
}
.hero-figure::before {
  content: ""; position: absolute; z-index: 1; inset: 26px -30px -34px 30px;
  border-radius: 30px; background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10));
}
.hero-badge {
  position: absolute; z-index: 3; top: 22px; left: -18px;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); color: #fff; font-weight: 700;
  padding: 12px 24px; border-radius: 999px; font-size: 15px;
  box-shadow: 0 14px 34px rgba(255, 77, 46, .45); letter-spacing: 1px;
}
.hero-glow {
  position: absolute; z-index: 0; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 30, .35), transparent 70%);
  right: -60px; bottom: -40px; filter: blur(10px);
}

/* ---------- 信任场景带 ---------- */
.trust-band { background: #f5f6f8; border-bottom: 1px solid rgba(20, 24, 31, .09); padding: 42px 0; }
.trust-head { text-align: center; color: #5b6678; font-size: 15px; letter-spacing: 1px; margin-bottom: 22px; }
.trust-head b { color: #14181f; font-weight: 700; }
.trust-tags { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; max-width: 1040px; margin: 0 auto; }
.trust-tags span { padding: 11px 24px; border: 1px solid rgba(20, 24, 31, .14); border-radius: 999px; font-size: 15px; color: #14181f; background: #fff; transition: .25s; }
.trust-tags span:hover { border-color: #ff6a00; color: #ff6a00; transform: translateY(-2px); }

/* ---------- 数据条（浅色） ---------- */
.stats-strip { background: #fff; border-bottom: 1px solid rgba(20, 24, 31, .09); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { text-align: center; padding: 56px 12px; color: #14181f; position: relative; }
.stat-item + .stat-item::before { content: ""; position: absolute; left: 0; top: 26%; height: 48%; width: 1px; background: rgba(20, 24, 31, .14); }
.stat-num { font-size: clamp(32px, 3.8vw, 50px); font-weight: 800; background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.stat-label { color: #5b6678; font-size: 15px; letter-spacing: 2px; margin-top: 10px; }

/* ---------- 通用 Section + 交替背景 ---------- */
.section { padding: 100px 0; }
.section-tint { background: #f5f6f8; }
.section-warm { background: #fff4ec; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 64px; position: relative; }

/* 左标题 + 右配图的板块头 */
.sec-head-split {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
  margin: 0 auto 60px; text-align: left;
}
.shs-text::before {
  content: ""; display: block; width: 56px; height: 4px; border-radius: 4px;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); margin-bottom: 22px;
}
.shs-text .sec-tag { margin-bottom: 16px; }
.shs-text .sec-sub { text-align: left; margin-top: 14px; }
.shs-figure { position: relative; margin: 0; padding: 20px 0 34px; }
.shs-figure::before {
  content: ""; position: absolute; z-index: 0; inset: 4% -9% -8% 11%;
  border-radius: 30px; background: linear-gradient(135deg, rgba(255, 138, 30, .15), rgba(255, 77, 46, .10));
}
.shs-cutout {
  position: relative; z-index: 1; display: block; width: 74%; margin: 0 auto;
  filter: drop-shadow(0 36px 44px rgba(10, 12, 20, .32));
  transition: transform .45s ease;
}
.shs-figure:hover .shs-cutout { transform: translateY(-10px); }
.shs-badge {
  position: absolute; z-index: 4; left: 18px; top: 18px;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px);
  color: #14181f; font-size: 13.5px; font-weight: 600; letter-spacing: 1px;
  padding: 10px 18px; border-radius: 999px; box-shadow: 0 10px 26px rgba(20, 24, 31, .14);
}
.sec-head::before {
  content: ""; display: block; width: 56px; height: 4px; border-radius: 4px;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); margin: 0 auto 22px;
}
.sec-tag {
  display: inline-block; color: #ff6a00; font-size: 13px; letter-spacing: 3px;
  font-weight: 700; margin-bottom: 16px; text-transform: uppercase;
  background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10));
  border: 1px solid rgba(255, 106, 0, .28);
  padding: 7px 18px; border-radius: 999px;
}
.sec-title { font-size: clamp(26px, 3.4vw, 44px); font-weight: 800; letter-spacing: 1px; line-height: 1.32; color: #14181f; }
.sec-sub { color: #5b6678; margin-top: 16px; font-size: 16.5px; }

/* ---------- 引言 / 图文 ---------- */
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 80px; align-items: center; }
.intro-text h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; margin-bottom: 26px; line-height: 1.42; }
.intro-text p { color: #5b6678; margin-bottom: 20px; font-size: 17px; text-align: justify; line-height: 2; }
.intro-figure { position: relative; }
.intro-figure img { border-radius: 20px; box-shadow: 0 24px 70px rgba(20, 24, 31, .1); width: 100%; height: auto; object-fit: contain; }
.intro-figure::before {
  content: ""; position: absolute; inset: 28px -28px -28px 28px;
  border-radius: 20px; background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10)); z-index: -1;
}

/* ---------- 核心业务卡片（白底） ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.biz-card {
  background: #fff; border: 1px solid rgba(20, 24, 31, .09);
  border-radius: 20px; padding: 46px 34px;
  transition: transform .35s, border-color .35s, box-shadow .35s;
  box-shadow: 0 8px 24px rgba(20, 24, 31, .06);
}
.biz-card:hover { transform: translateY(-12px); border-color: rgba(255, 106, 0, .5); box-shadow: 0 30px 70px rgba(255, 77, 46, .14); }
.biz-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10));
  border: 1px solid rgba(255, 106, 0, .3);
  display: grid; place-items: center; margin-bottom: 28px;
}
.biz-icon svg { width: 30px; height: 30px; stroke: #ff6a00; }
.biz-card h3 { font-size: 20px; font-weight: 700; color: #14181f; margin-bottom: 14px; }
.biz-card p { font-size: 15px; color: #5b6678; line-height: 1.9; }

/* ---------- 场景矩阵 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scene-card {
  position: relative; border-radius: 20px; overflow: hidden;
  aspect-ratio: 3 / 3.4; background: #f5f6f8;
  box-shadow: 0 8px 24px rgba(20, 24, 31, .06);
}
.scene-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.scene-card:hover img { transform: scale(1.08); }
.scene-card figcaption {
  position: absolute; inset: auto 0 0 0; padding: 44px 22px 20px;
  background: linear-gradient(transparent, rgba(10, 12, 20, .82));
  color: #fff; font-size: 17px; font-weight: 600; letter-spacing: 1px;
}
.scene-card figcaption small { display: block; font-weight: 400; font-size: 13px; color: rgba(255, 255, 255, .7); margin-top: 3px; }

/* ---------- 落地实景案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card { border-radius: 20px; overflow: hidden; background: #fff; border: 1px solid rgba(20, 24, 31, .09); box-shadow: 0 8px 24px rgba(20, 24, 31, .06); transition: .35s; }
.case-card:hover { transform: translateY(-10px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); }
.case-cover { aspect-ratio: 16 / 10; overflow: hidden; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.case-card:hover .case-cover img { transform: scale(1.07); }
.case-body { padding: 28px 30px 32px; }
.case-meta { display: inline-block; font-size: 12.5px; letter-spacing: 1px; color: #ff6a00; background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10)); border: 1px solid rgba(255, 106, 0, .28); padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; font-weight: 600; }
.case-body h3 { font-size: 20px; margin-bottom: 10px; color: #14181f; }
.case-body p { color: #5b6678; font-size: 14.5px; line-height: 1.85; }

/* ---------- 六大保障 ---------- */
.guard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.guard-item { display: flex; gap: 18px; align-items: flex-start; padding: 30px; background: #fff; border: 1px solid rgba(20, 24, 31, .09); border-radius: 20px; box-shadow: 0 8px 24px rgba(20, 24, 31, .06); transition: .3s; }
.guard-item:hover { transform: translateY(-6px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); border-color: rgba(255, 106, 0, .4); }
.guard-ico { width: 54px; height: 54px; flex-shrink: 0; border-radius: 15px; background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10)); border: 1px solid rgba(255, 106, 0, .3); display: grid; place-items: center; }
.guard-ico svg { width: 26px; height: 26px; stroke: #ff6a00; }
.guard-item h4 { font-size: 17.5px; margin-bottom: 8px; color: #14181f; }
.guard-item p { color: #5b6678; font-size: 14.5px; line-height: 1.8; }

/* ---------- 产品展示 ---------- */
.product-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center; }
.product-figure { position: relative; }
.product-figure img { border-radius: 20px; box-shadow: 0 40px 110px rgba(20, 24, 31, .16); width: 100%; height: auto; object-fit: contain; background: #fff; }
.product-badge {
  position: absolute; top: -18px; right: -10px;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); color: #fff; font-weight: 700;
  padding: 11px 24px; border-radius: 999px; font-size: 15px;
  box-shadow: 0 12px 30px rgba(255, 77, 46, .45);
}
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.spec-item {
  background: #fff; border: 1px solid rgba(20, 24, 31, .09);
  border-radius: 14px; padding: 20px 22px;
  box-shadow: 0 8px 24px rgba(20, 24, 31, .06);
}
.spec-item b { color: #ff6a00; font-size: 18px; display: block; margin-bottom: 4px; }
.spec-item span { color: #5b6678; font-size: 14px; }
.product-points { margin-top: 38px; display: grid; gap: 14px; }
.product-points li { list-style: none; color: #14181f; display: flex; gap: 12px; align-items: flex-start; font-size: 16px; line-height: 1.7; }
.product-points li::before { content: "✓"; color: #ff6a00; font-weight: 800; }

/* ---------- 合作模式 ---------- */
.coop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.coop-card {
  border-radius: 22px; padding: 54px 48px; color: #14181f;
  background: #fff; border: 1px solid rgba(20, 24, 31, .09); position: relative; overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 24, 31, .06); transition: transform .35s, box-shadow .35s;
}
.coop-card:hover { transform: translateY(-10px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); }
.coop-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); }
.coop-card h3 { font-size: 26px; margin-bottom: 8px; font-weight: 800; }
.coop-card .coop-en { font-size: 12px; letter-spacing: 3px; color: #ff6a00; margin-bottom: 22px; display: block; font-weight: 600; }
.coop-card p { color: #5b6678; font-size: 15.5px; margin-bottom: 26px; line-height: 1.85; }
.coop-card ul { list-style: none; display: grid; gap: 12px; }
.coop-card li { color: #14181f; font-size: 15px; display: flex; gap: 10px; line-height: 1.6; }
.coop-card li::before { content: "›"; color: #ff6a00; font-weight: 800; }

/* ---------- 流程 ---------- */
.flow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.flow-step { text-align: center; padding: 36px 14px; border-radius: 20px; background: #fff; border: 1px solid rgba(20, 24, 31, .09); transition: .3s; box-shadow: 0 8px 24px rgba(20, 24, 31, .06); }
.flow-step:hover { border-color: rgba(255, 106, 0, .5); transform: translateY(-8px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); }
.flow-num {
  width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); display: grid; place-items: center;
  font-weight: 800; font-size: 19px; color: #fff; box-shadow: 0 10px 24px rgba(255, 77, 46, .3);
}
.flow-step h4 { color: #14181f; font-size: 16.5px; margin-bottom: 6px; font-weight: 700; }
.flow-step p { color: #5b6678; font-size: 13px; line-height: 1.65; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.news-card {
  background: #fff; border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(20, 24, 31, .09);
  box-shadow: 0 8px 24px rgba(20, 24, 31, .06);
  transition: transform .35s, box-shadow .35s; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-10px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); }
.news-cover { aspect-ratio: 16 / 9; overflow: hidden; background: #f5f6f8; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-cover img { transform: scale(1.06); }
.news-body { padding: 30px; flex: 1; display: flex; flex-direction: column; }
.news-date { color: #ff6a00; font-size: 13.5px; letter-spacing: 1px; margin-bottom: 10px; font-weight: 600; }
.news-body h3 { font-size: 19px; line-height: 1.55; margin-bottom: 12px; }
.news-body h3 a { color: #14181f; }
.news-body h3 a:hover { color: #ff3d2e; }
.news-body p { color: #5b6678; font-size: 14.5px; flex: 1; }
.news-more { margin-top: 18px; color: #ff3d2e; font-size: 14.5px; font-weight: 600; }
.news-empty { text-align: center; color: #5b6678; padding: 70px 0; grid-column: 1/-1; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 16px; }
.faq-item { background: #fff; border: 1px solid rgba(20, 24, 31, .09); border-radius: 16px; overflow: hidden; box-shadow: 0 8px 24px rgba(20, 24, 31, .06); }
.faq-q {
  width: 100%; background: none; border: 0; cursor: pointer;
  padding: 26px 30px; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  color: #14181f; font-size: 17.5px; font-weight: 600; text-align: left; font-family: inherit;
}
.faq-q .idx { color: #ff6a00; margin-right: 14px; font-weight: 800; }
.faq-q .arrow { transition: transform .3s; color: #ff6a00; font-size: 22px; flex-shrink: 0; }
.faq-item.open .arrow { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a p { padding: 0 30px 26px; color: #5b6678; font-size: 15.5px; line-height: 1.95; }

/* ---------- 页内 Banner（居中 + 丰富点缀） ---------- */
.page-banner {
  position: relative; overflow: hidden; text-align: center;
  padding: 152px 0 70px;
  background:
    radial-gradient(720px 360px at 50% -40%, rgba(255, 122, 0, .12), transparent 62%),
    radial-gradient(560px 320px at 12% 130%, rgba(255, 77, 46, .07), transparent 60%),
    radial-gradient(560px 320px at 92% 130%, rgba(255, 138, 30, .07), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #fbf7f2 100%);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(rgba(20, 24, 31, .055) 1px, transparent 1.5px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 68% 62% at 50% 42%, #000 26%, transparent 76%);
          mask-image: radial-gradient(ellipse 68% 62% at 50% 42%, #000 26%, transparent 76%);
}
.pb-ghost {
  position: absolute; z-index: 0; left: 50%; top: 46%; transform: translate(-50%, -50%);
  font-size: clamp(86px, 13vw, 220px); font-weight: 800; letter-spacing: 4px;
  line-height: 1; white-space: nowrap; user-select: none; pointer-events: none;
  color: transparent; -webkit-text-stroke: 1.6px rgba(255, 106, 0, .10);
}
.pb-ring { position: absolute; z-index: 0; border-radius: 50%; border-style: solid; }
.pb-ring-1 { width: 168px; height: 168px; border-width: 26px; border-color: rgba(255, 138, 30, .07); left: -46px; top: 56px; }
.pb-ring-2 { width: 104px; height: 104px; border-width: 16px; border-color: rgba(255, 77, 46, .08); right: 7%; bottom: 8px; }
.pb-ring-3 { width: 58px; height: 58px; border-width: 10px; border-color: rgba(255, 138, 30, .12); right: 18%; top: 40px; }
.pb-dot { position: absolute; z-index: 0; width: 13px; height: 13px; border-radius: 50%; background: linear-gradient(135deg, #ff8a1e, #ff4d2e); box-shadow: 0 6px 16px rgba(255, 77, 46, .35); }
.pb-dot-1 { left: 16%; top: 88px; }
.pb-dot-2 { right: 13%; top: 120px; width: 9px; height: 9px; opacity: .8; }
.pb-dot-3 { left: 9%; bottom: 64px; width: 9px; height: 9px; opacity: .7; }
.pb-inner { position: relative; z-index: 3; max-width: 920px; margin: 0 auto; }
.pb-eyebrow {
  display: inline-block; margin-bottom: 22px; padding: 9px 22px; border-radius: 999px;
  border: 1px solid rgba(255, 106, 0, .3);
  background: linear-gradient(135deg, rgba(255, 138, 30, .12), rgba(255, 77, 46, .1));
  color: #ff6a00; font-size: 13px; letter-spacing: 3px; font-weight: 700;
}
.page-banner h1 {
  display: block;
  font-size: clamp(34px, 5vw, 58px); font-weight: 800; letter-spacing: 3px;
  margin-bottom: 18px; color: #14181f; line-height: 1.25; position: relative;
}
.page-banner h1::after {
  content: ""; display: block; width: 76px; height: 5px; border-radius: 5px; margin: 18px auto 0;
  background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); box-shadow: 0 6px 16px rgba(255, 77, 46, .3);
}
.page-banner p { color: #5b6678; letter-spacing: 3px; font-size: 16px; max-width: 720px; margin: 0 auto; line-height: 1.9; }
.pb-sub-en { display: block; margin-top: 12px; color: #b3bac6; font-size: 12.5px; letter-spacing: 5px; font-weight: 500; }

/* ---------- 白色内容区点缀（角落装饰环 + 光晕） ---------- */
.section { position: relative; }
.section > .container { position: relative; z-index: 1; }
.section::before {
  content: ""; position: absolute; z-index: 0; top: 64px; right: 4%;
  width: 190px; height: 190px; border-radius: 50%;
  border: 26px solid rgba(255, 138, 30, .05); pointer-events: none;
}
.section::after {
  content: ""; position: absolute; z-index: 0; bottom: 48px; left: 3%;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 46, .055), transparent 68%); pointer-events: none;
}

/* ---------- 关于页 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.value-card { background: #fff; border-radius: 20px; padding: 44px 34px; border: 1px solid rgba(20, 24, 31, .09); box-shadow: 0 8px 24px rgba(20, 24, 31, .06); transition: .3s; }
.value-card:hover { transform: translateY(-10px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); }
.value-card h3 { font-size: 21px; margin-bottom: 12px; }
.value-card h3 span { color: #ff3d2e; margin-right: 10px; }
.value-card p { color: #5b6678; font-size: 15px; }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.mv-card { border-radius: 22px; padding: 56px 50px; color: #14181f; background: #fff; border: 1px solid rgba(20, 24, 31, .09); box-shadow: 0 8px 24px rgba(20, 24, 31, .06); position: relative; overflow: hidden; }
.mv-card::before { content: ""; position: absolute; right: -40px; top: -40px; width: 160px; height: 160px; border-radius: 50%; background: linear-gradient(135deg, rgba(255,138,30,.12), rgba(255,77,46,.10)); }
.mv-card h3 { font-size: 26px; margin-bottom: 18px; font-weight: 800; }
.mv-card h3 span { color: #ff6a00; }
.mv-card p { color: #5b6678; font-size: 16px; line-height: 2; position: relative; }

/* ---------- 新闻详情 / 列表 ---------- */
.article-wrap { max-width: 880px; margin: 0 auto; background: #fff; border-radius: 20px; border: 1px solid rgba(20, 24, 31, .09); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); padding: clamp(32px, 5vw, 70px); }
.article-wrap h1 { font-size: clamp(24px, 3vw, 34px); line-height: 1.5; margin-bottom: 12px; color: #14181f; }
.article-meta { color: #5b6678; font-size: 14px; padding-bottom: 28px; border-bottom: 1px solid rgba(20, 24, 31, .09); margin-bottom: 32px; }
.article-content p { margin-bottom: 22px; font-size: 17px; color: #2a3140; text-align: justify; line-height: 2.05; }
.article-content img { max-width: 100%; height: auto; border-radius: 14px; margin: 10px 0 22px; display: block; }
.article-content h1, .article-content h2, .article-content h3 { color: #14181f; margin: 30px 0 16px; line-height: 1.6; }
.article-content h2 { font-size: 22px; } .article-content h3 { font-size: 19px; }
.article-content ul, .article-content ol { margin: 0 0 22px 24px; color: #2a3140; font-size: 17px; line-height: 2; }
.article-content blockquote { border-left: 4px solid #ff6a00; padding: 6px 0 6px 18px; color: #5b6678; margin: 0 0 22px; }
.article-content a { color: #ff3d2e; }
.back-link { display: inline-block; margin-top: 12px; color: #ff3d2e; font-weight: 600; }
.pager { display: flex; justify-content: center; gap: 12px; margin-top: 50px; }

/* ---------- 表单 ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.contact-info-card { background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); color: #fff; border-radius: 24px; padding: 54px 48px; position: relative; overflow: hidden; }
.contact-info-card h3 { font-size: 26px; margin-bottom: 10px; }
.contact-info-card > p { color: rgba(255, 255, 255, .9); margin-bottom: 38px; font-size: 15.5px; }
.info-row { display: flex; gap: 16px; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .25); align-items: flex-start; }
.info-row b { display: block; font-size: 15.5px; margin-bottom: 4px; }
.info-row span { color: rgba(255, 255, 255, .88); font-size: 15px; line-height: 1.7; }
.info-ico { width: 48px; height: 48px; flex-shrink: 0; border-radius: 13px; background: rgba(255, 255, 255, .22); border: 1px solid rgba(255, 255, 255, .35); display: grid; place-items: center; }
.info-ico svg { width: 22px; height: 22px; stroke: #fff; }
.form-card { background: #fff; border-radius: 24px; border: 1px solid rgba(20, 24, 31, .09); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); padding: 54px 50px; }
.form-card h3 { font-size: 24px; margin-bottom: 6px; }
.form-card > p { color: #5b6678; margin-bottom: 34px; font-size: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 14.5px; font-weight: 600; margin-bottom: 9px; color: #14181f; }
.form-group label i { color: #ff3d2e; font-style: normal; margin-left: 3px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 15px 18px; border: 1.6px solid #e3e8f0; border-radius: 12px;
  font-size: 15.5px; font-family: inherit; color: #14181f;
  transition: border-color .25s, box-shadow .25s; background: #fafbfd;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: #ff6a00; box-shadow: 0 0 0 4px rgba(255, 106, 0, .12); background: #fff;
}
.form-group.hp { position: absolute; left: -9999px; }
.form-success { background: #f0fdf4; border: 1px solid #86efac; color: #166534; padding: 18px 22px; border-radius: 14px; margin-bottom: 24px; font-size: 15px; }
.form-error { background: #fef2f2; border: 1px solid #fca5a5; color: #b91c1c; padding: 18px 22px; border-radius: 14px; margin-bottom: 24px; font-size: 15px; }

/* ---------- CTA 横幅 ---------- */
.cta-band { background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); border-radius: 28px; padding: clamp(44px, 6vw, 76px) clamp(32px, 5vw, 76px); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; box-shadow: 0 30px 80px rgba(255, 77, 46, .3); }
.cta-band h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: 1px; }
.cta-band p { opacity: .95; margin-top: 10px; font-size: 16.5px; }

/* ---------- 页脚（深炭收尾 + 实力数据带） ---------- */
.site-footer { background: #14181f; color: #8a93a3; margin-top: 110px; }
.footer-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-stat { text-align: center; padding: 40px 16px; position: relative; }
.footer-stat + .footer-stat::before { content: ""; position: absolute; left: 0; top: 24%; height: 52%; width: 1px; background: rgba(255, 255, 255, .12); }
.footer-stat b { display: block; font-size: clamp(28px, 3vw, 38px); font-weight: 800; background: linear-gradient(135deg, #ff8a1e 0%, #ff4d2e 100%); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.footer-stat span { color: rgba(255, 255, 255, .6); font-size: 13.5px; letter-spacing: 1px; margin-top: 8px; display: block; }
.site-footer .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 54px; padding: 72px 32px 52px; }
.footer-brand p { font-size: 15px; margin-top: 22px; line-height: 1.95; color: rgba(255, 255, 255, .6); }
.site-footer .logo-text { color: #fff; }
.site-footer .logo-text small { color: rgba(255, 255, 255, .55); }
.footer-slogan { color: #ff6a00 !important; letter-spacing: 2px; font-weight: 600; }
.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .08); display: grid; place-items: center; color: #fff; transition: .25s; }
.footer-social a:hover { background: #ff6a00; transform: translateY(-3px); }
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }
/* 图标悬停气泡：微信二维码 / 电话 / 邮箱 */
.social-item { position: relative; }
.social-pop {
  position: absolute; bottom: calc(100% + 14px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 130px; padding: 12px 18px; border-radius: 12px;
  background: #fff; color: #14181f; text-align: center;
  box-shadow: 0 16px 44px rgba(10, 12, 20, .28);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  white-space: nowrap; z-index: 20;
}
.social-pop::after {
  content: ""; position: absolute; top: 100%; left: 50%; margin-left: -7px;
  border: 7px solid transparent; border-top-color: #fff;
}
.social-item:hover .social-pop, .social-item:focus-within .social-pop {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.social-pop b { display: block; font-size: 13px; color: #8a93a3; font-weight: 600; letter-spacing: 1px; margin-bottom: 4px; }
.social-pop > span { display: block; font-size: 15px; font-weight: 700; color: #14181f; }
.social-pop .social-qr { width: 120px; height: 120px; border-radius: 8px; object-fit: contain; background: #f5f6f8; margin: 0 auto 8px; display: block; }
.social-pop:has(.social-qr) { white-space: normal; }
@media (max-width: 560px) {
  .social-pop { min-width: 0; padding: 10px 14px; }
  .social-pop .social-qr { width: 96px; height: 96px; }
}
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 22px; letter-spacing: 2px; }
.footer-col a, .footer-col span { display: block; font-size: 15px; padding: 7px 0; color: rgba(255, 255, 255, .6); }
.footer-col a:hover { color: #ff6a00; }
.footer-phone { color: #ff6a00 !important; font-size: 21px !important; font-weight: 700; }
.footer-wechat { color: rgba(255, 255, 255, .85) !important; font-weight: 600; }

/* ---------- 设备参数 ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.equip-card { background: #fff; border: 1px solid rgba(20, 24, 31, .09); border-radius: 20px; padding: 30px 32px; box-shadow: 0 8px 24px rgba(20, 24, 31, .06); transition: .35s; }
.equip-card:hover { transform: translateY(-8px); box-shadow: 0 24px 70px rgba(20, 24, 31, .1); border-color: rgba(255, 106, 0, .4); }
.equip-card h3 { font-size: 20px; margin-bottom: 16px; color: #14181f; padding-bottom: 14px; border-bottom: 1px solid rgba(20, 24, 31, .08); }
.equip-spec { list-style: none; }
.equip-spec li { display: flex; gap: 8px; font-size: 14.5px; line-height: 1.9; color: #5b6678; }
.equip-spec li::before { content: ""; flex: 0 0 6px; width: 6px; height: 6px; border-radius: 50%; background: #ff6a00; margin-top: 11px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; font-size: 13.5px; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; align-items: center; }
.footer-bottom .legal { color: rgba(255, 255, 255, .4); }
.footer-bottom .legal a { color: rgba(255, 255, 255, .5); }
.footer-bottom .legal a:hover { color: #ff6a00; }
.admin-link { color: rgba(255, 255, 255, .4) !important; }
.admin-link:hover { color: #ff6a00 !important; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .equip-grid { grid-template-columns: repeat(2, 1fr); }
  .guard-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { gap: 44px; }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .hero { padding: 150px 0 80px; }
  .pb-ring, .pb-dot { display: none; }
  .pb-ghost { font-size: 76px; -webkit-text-stroke-width: 1px; }
  .page-banner { padding: 128px 0 46px; }
  .main-nav {
    position: fixed; top: 0; right: -100%; height: 100vh; width: min(80vw, 360px);
    background: rgba(255, 255, 255, .98); backdrop-filter: blur(16px);
    flex-direction: column; justify-content: center; gap: 12px;
    transition: right .4s ease; box-shadow: -20px 0 60px rgba(20, 24, 31, .2); padding: 0 40px;
  }
  .main-nav.open { right: 0; }
  .main-nav a { color: #14181f !important; font-size: 19px; padding: 16px 0; }
  .nav-toggle { display: block; z-index: 110; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-figure { order: -1; }
  .intro-grid, .product-grid, .coop-grid, .mv-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .sec-head-split { grid-template-columns: 1fr; gap: 36px; }
  .shs-text::before { margin-bottom: 18px; }
  .shs-figure { order: 2; padding: 12px 0 24px; }
  .shs-cutout { width: 90%; }
  .intro-figure::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
  .footer-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-stat:nth-child(3)::before { display: none; }
}
@media (max-width: 560px) {
  .container { padding: 0 22px; }
  .biz-grid, .value-grid, .case-grid, .guard-grid { grid-template-columns: 1fr; }
  .scene-grid, .news-grid, .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .equip-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-band { text-align: center; justify-content: center; }
  .contact-info-card, .form-card { padding: 40px 28px; }
}

/* ============ 合作伙伴（首页板块） ============ */
.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.partner-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; background: #fff; border-radius: 18px; padding: 26px 16px; box-shadow: 0 10px 30px rgba(20, 24, 31, .06); transition: transform .25s ease, box-shadow .25s ease; }
.partner-card:hover { transform: translateY(-4px); box-shadow: 0 16px 38px rgba(20, 24, 31, .1); }
.partner-card img { width: 72px; height: 72px; object-fit: contain; border-radius: 14px; background: #fff; }
.partner-card .partner-name { font-size: 14.5px; font-weight: 600; color: #232a36; text-align: center; }
@media (max-width: 960px) { .partner-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---- 区域划分表（联系我们页底） ---- */
.region-table-wrap { max-width: 860px; margin: 0 auto; overflow-x: auto; }
.region-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 12px 32px rgba(17, 24, 39, .08); font-size: 15px; }
.region-table th, .region-table td { padding: 14px 20px; text-align: left; border-bottom: 1px solid #eef0f4; }
.region-table thead th { background: linear-gradient(135deg, #ff8a1e, #ff4d2e); color: #fff; font-size: 14px; letter-spacing: .04em; }
.region-table tbody th { width: 96px; font-weight: 700; color: #ff6a1e; white-space: nowrap; background: #fff8f2; }
.region-table tbody tr:last-child th, .region-table tbody tr:last-child td { border-bottom: none; }
.region-table tbody tr:hover td, .region-table tbody tr:hover th { background: #fffdf9; }