/* ============================================
   超级艾玛 · 24小时无人自助健身房系统官网
   gym.jinweitec.com
   ============================================ */
:root {
  --primary: #ff5a1f;       /* 活力橙 */
  --primary-dark: #e04312;
  --dark: #0e1526;          /* 深夜蓝 */
  --dark-2: #1a2440;
  --text: #2b3245;
  --text-light: #6b7387;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --line: #e6eaf2;
  --green: #10b981;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(14, 21, 38, .08);
  --shadow-lg: 0 16px 48px rgba(14, 21, 38, .14);
  --maxw: 1200px;
}
* { 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: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--dark); }
.logo-img { height: 40px; width: auto; max-width: 200px; border-radius: 8px; display: block; object-fit: contain; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), #ff8f3c);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 17px; font-weight: 900;
}
.logo small { display: block; font-size: 11px; font-weight: 500; color: var(--text-light); line-height: 1.2; }
@media (max-width: 480px) { .logo-img { height: 34px; } .logo { font-size: 17px; gap: 8px; } .logo small { display: none; } }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 8px 14px; border-radius: 8px; font-size: 14.5px; color: var(--text);
  transition: .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: #fff2ec; }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 9px 20px !important;
  border-radius: 999px; font-weight: 600; box-shadow: 0 4px 14px rgba(255,90,31,.35);
}
.nav-cta:hover { background: var(--primary-dark) !important; }
@media (max-width: 860px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 700;
  cursor: pointer; border: none; transition: .25s; font-family: inherit;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), #ff8f3c); color: #fff; box-shadow: 0 10px 28px rgba(255,90,31,.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(255,90,31,.5); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.45); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.24); }
.btn-outline { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: #fff2ec; }
.btn-sm { padding: 10px 24px; font-size: 14.5px; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(255,143,60,.25), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(16,185,129,.18), transparent 55%),
    linear-gradient(160deg, #0e1526 0%, #16213f 55%, #101b33 100%);
  color: #fff; padding: 90px 0 110px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px; pointer-events: none;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: 60px 0 70px; } }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  padding: 7px 16px; border-radius: 999px; font-size: 13px; color: #ffd9c4; margin-bottom: 22px;
}
.hero-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.hero h1 { font-size: 44px; line-height: 1.28; font-weight: 900; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: #ff8f3c; }
.hero p.sub { margin: 20px 0 34px; font-size: 17px; color: rgba(255,255,255,.78); max-width: 560px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .num { font-size: 30px; font-weight: 900; color: #ff8f3c; }
.hero-stats .num small { font-size: 15px; }
.hero-stats .lab { font-size: 13px; color: rgba(255,255,255,.6); }

/* hero 右侧模拟屏 */
.hero-mock {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px; padding: 18px; backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px rgba(0,0,0,.4);
}
.hero-mock-head { display: flex; gap: 6px; margin-bottom: 12px; }
.hero-mock-head i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.hero-mock-head i:first-child { background: #ff5f57; }
.hero-mock-body { background: rgba(255,255,255,.96); border-radius: 12px; padding: 20px; color: var(--text); }
.mock-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 4px; border-bottom: 1px dashed var(--line); font-size: 14px; }
.mock-row:last-child { border-bottom: none; }
.mock-row .who { display: flex; align-items: center; gap: 10px; }
.mock-ava { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; font-weight: 700; }
.mock-ok { color: var(--green); font-weight: 700; }
.mock-warn { color: var(--primary); font-weight: 700; }
.mock-time { color: var(--text-light); font-size: 12.5px; }

/* ---------- 通用板块 ---------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.sec-kicker { color: var(--primary); font-weight: 800; font-size: 14px; letter-spacing: 3px; text-transform: uppercase; }
.sec-head h2 { font-size: 32px; font-weight: 900; color: var(--dark); margin: 10px 0 14px; line-height: 1.35; }
.sec-head p { color: var(--text-light); font-size: 15.5px; }
@media (max-width: 700px) { .sec-head h2 { font-size: 25px; } .hero h1 { font-size: 31px; } }

/* ---------- 痛点板块 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 980px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pain-grid { grid-template-columns: 1fr; } }
.pain-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  transition: .25s;
}
.pain-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pain-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), #ff8f3c); }
.pain-ico { width: 54px; height: 54px; border-radius: 14px; background: #fff2ec; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.pain-ico svg { width: 28px; height: 28px; }
.pain-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; color: var(--dark); }
.pain-card .bad { font-size: 13.5px; color: #d94b2b; background: #fdf0ec; display: inline-block; padding: 3px 10px; border-radius: 6px; margin-bottom: 10px; }
.pain-card p { font-size: 14px; color: var(--text-light); }
.pain-card p b { color: var(--green); }
.pain-card .fix { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 13.5px; }
.pain-card .fix b { color: var(--primary); }

/* ---------- 功能卡片 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 980px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .feat-grid { grid-template-columns: 1fr; } }
.feat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow); transition: .25s; position: relative;
}
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #ffd3bd; }
.feat-ico {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 26px;
  background: linear-gradient(135deg, var(--primary), #ff8f3c);
  box-shadow: 0 8px 20px rgba(255,90,31,.3);
}
.feat-ico.teal { background: linear-gradient(135deg, #0ea5a5, #34d3bd); box-shadow: 0 8px 20px rgba(14,165,165,.3); }
.feat-ico.blue { background: linear-gradient(135deg, #3b62f6, #6f9bff); box-shadow: 0 8px 20px rgba(59,98,246,.3); }
.feat-ico.green { background: linear-gradient(135deg, #0d9e6c, #34d399); box-shadow: 0 8px 20px rgba(13,158,108,.3); }
.feat-ico.purple { background: linear-gradient(135deg, #7c5cf0, #a78bfa); box-shadow: 0 8px 20px rgba(124,92,240,.3); }
.feat-ico.navy { background: linear-gradient(135deg, #22335c, #46609e); box-shadow: 0 8px 20px rgba(34,51,92,.3); }
.feat-ico.pink { background: linear-gradient(135deg, #e0437c, #f472a6); box-shadow: 0 8px 20px rgba(224,67,124,.3); }
.feat-ico.orange { background: linear-gradient(135deg, #e07a1f, #f5a742); box-shadow: 0 8px 20px rgba(224,122,31,.3); }
.feat-card h3 { font-size: 19px; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--text-light); }
.feat-card .tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.feat-card .tags span { font-size: 12px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--text-light); padding: 3px 10px; border-radius: 999px; }

/* 硬件卡片带图 */
.feat-card .hw-photo {
  width: 100%; height: 170px; border-radius: 12px; overflow: hidden;
  margin-bottom: 20px; background: var(--bg-soft); border: 1px solid var(--line);
}
.feat-card .hw-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feat-card .hw-gallery {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 18px;
}
.feat-card .hw-gallery .hw-photo { height: 120px; margin-bottom: 0; }

/* 硬件核心双大卡：人脸门禁 / AB 门 */
.hw-core-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 980px) { .hw-core-grid { grid-template-columns: 1fr; } }
.hw-core {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: .25s;
  display: flex; flex-direction: column;
}
.hw-core:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #ffd3bd; }
.hw-core-photo {
  background: linear-gradient(135deg, #f2f5fb, #e6edf8);
  padding: 24px; display: flex; align-items: center; justify-content: center;
  min-height: 250px; border-bottom: 1px solid var(--line);
}
.hw-core-photo img { max-width: 84%; max-height: 240px; object-fit: contain; display: block; }
.hw-core-body { padding: 26px 28px 30px; }
.hw-core-body h3 { font-size: 20px; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.hw-core-body p { font-size: 14px; color: var(--text-light); line-height: 1.85; }
.hw-core-body ul { margin-top: 14px; }
.hw-core-body li { font-size: 13.5px; color: var(--text-light); padding: 5px 0 5px 24px; position: relative; }
.hw-core-body li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.hw-more { margin-top: 42px; }
.hw-more .more-t { text-align: center; font-size: 18px; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.hw-more .more-sub { text-align: center; font-size: 13px; color: var(--text-light); margin-bottom: 22px; }

/* ---------- GEO FAQ 问答区 ---------- */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 1080px; margin: 0 auto; }
@media (max-width: 900px) { .faq-list { grid-template-columns: 1fr; } }
/* .faq-grid 为 solutions/contact/cooperation 页的 FAQ 容器（与 .faq-list 同布局） */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 1080px; margin: 0 auto; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; } }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow);
}
.faq-item h3 { font-size: 15.5px; font-weight: 800; color: var(--dark); margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.faq-item .q {
  flex: 0 0 auto; font-size: 12px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--primary), #ff8f3c);
  border-radius: 8px; padding: 3px 9px; letter-spacing: .5px;
}
.faq-item p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ---------- 硬件板块 ---------- */
.hw-wrap {
  background: linear-gradient(160deg, #0e1526, #1a2440); color: #fff;
  border-radius: 24px; padding: 60px 56px; position: relative; overflow: hidden;
}
.hw-wrap::before {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,90,31,.22), transparent 65%);
  top: -140px; right: -120px;
}
.hw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; z-index: 2; }
@media (max-width: 1100px) { .hw-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .hw-grid { grid-template-columns: 1fr; } .hw-wrap { padding: 40px 26px; } }
.hw-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px; padding: 30px; display: flex; gap: 26px; align-items: center;
  transition: .25s;
}
.hw-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); }
.hw-fig { flex: 0 0 150px; }
.hw-fig img { width: 100%; border-radius: 12px; display: block; }
.hw-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.hw-card p { font-size: 14px; color: rgba(255,255,255,.72); }
.hw-card ul { margin-top: 12px; }
.hw-card li { font-size: 13.5px; color: rgba(255,255,255,.78); padding: 4px 0 4px 22px; position: relative; }
.hw-card li::before { content: "✓"; position: absolute; left: 0; color: #34d399; font-weight: 800; }
.hw-card .hw-gallery {
  flex: 0 0 180px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  height: 180px; overflow: hidden; border-radius: 10px;
}
.hw-card .hw-gallery.single { grid-template-columns: 1fr; flex: 0 0 210px; height: 210px; }
.hw-card .hw-gallery img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; display: block; }
@media (max-width: 900px) {
  .hw-card { flex-direction: column; align-items: flex-start; }
  .hw-fig, .hw-card .hw-gallery { flex: none; width: 100%; height: 220px; }
  .hw-card .hw-gallery { grid-template-columns: repeat(2, 1fr); }
  .hw-card .hw-gallery.single { grid-template-columns: 1fr; height: 220px; }
}

/* ---------- 案例板块 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 980px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .case-grid { grid-template-columns: 1fr; } }
.case-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); transition: .25s; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-photo { height: 190px; position: relative; overflow: hidden; }
.case-photo .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.85); font-weight: 700; letter-spacing: 2px; font-size: 15px; }
.case-photo img { width: 100%; height: 100%; object-fit: cover; }
.case-body { padding: 24px 24px 26px; }
.case-body h3 { font-size: 17px; font-weight: 800; color: var(--dark); display: flex; align-items: center; gap: 8px; }
.case-body h3 .pill { font-size: 11.5px; font-weight: 700; padding: 2px 9px; border-radius: 999px; }
.pill-self { background: #e6f9f1; color: #0d9e6c; }
.pill-coop { background: #fff2ec; color: var(--primary); }
.case-body .meta { font-size: 13px; color: var(--text-light); margin: 8px 0 10px; }
.case-body .result { font-size: 14px; color: var(--text); background: var(--bg-soft); border-radius: 10px; padding: 10px 14px; }
.case-body .result b { color: var(--primary); }

/* ---------- 为什么选我们 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; } }
.why-card { background: #fff; border-radius: var(--radius); padding: 40px 32px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.why-num { font-size: 44px; font-weight: 900; background: linear-gradient(135deg, var(--primary), #ff8f3c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.why-card h3 { font-size: 20px; font-weight: 800; color: var(--dark); margin: 8px 0 10px; }
.why-card p { font-size: 14.5px; color: var(--text-light); }

/* ---------- 公司实力 / 关于我们 ---------- */
.company-section { margin-top: 66px; }
.company-head { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.company-head h3 { font-size: 26px; font-weight: 900; color: var(--dark); margin-bottom: 10px; }
.company-head p { color: var(--text-light); font-size: 15px; }
.company-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 980px) { .company-gallery { grid-template-columns: 1fr; } }
.company-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: .25s;
}
.company-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.company-card img { width: 100%; height: 220px; object-fit: cover; display: block; }
.company-card .company-body { padding: 24px; }
.company-card h4 { font-size: 17px; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.company-card p { font-size: 13.5px; color: var(--text-light); line-height: 1.8; }
.company-card ul { margin-top: 10px; }
.company-card li { font-size: 13px; color: var(--text-light); padding: 3px 0 3px 18px; position: relative; }
.company-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.company-lead { margin-top: 34px; text-align: center; }
.company-lead p { color: var(--text-light); font-size: 14.5px; margin-bottom: 18px; }
.company-highlights { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.company-highlights span { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: 7px 18px; font-size: 13px; color: var(--text); }

/* ---------- 售后服务 ---------- */
.service-section { background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.service-grid { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 10px; justify-content: center; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; text-align: left; box-shadow: var(--shadow); transition: .25s;
  width: calc(33.333% - 16px); min-width: 280px; max-width: 360px;
}
@media (max-width: 900px) { .service-card { width: 100%; max-width: 100%; } }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.service-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.service-ico {
  width: 46px; height: 46px; border-radius: 50%; flex: 0 0 46px;
  background: linear-gradient(135deg, var(--primary), #ff8f3c);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px;
}
.service-card h3 { font-size: 18px; font-weight: 800; color: var(--dark); margin: 0; }
.service-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin: 0; }
.service-highlight {
  margin-top: 44px; background: var(--dark); border-radius: var(--radius);
  padding: 30px 34px; color: #fff; display: flex; gap: 28px; align-items: center;
  justify-content: center; flex-wrap: wrap;
}
.service-highlight .sh-item { display: flex; align-items: center; gap: 12px; }
.service-highlight .sh-ico { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.service-highlight .sh-text { text-align: left; }
.service-highlight .sh-text strong { display: block; font-size: 16px; margin-bottom: 2px; }
.service-highlight .sh-text span { font-size: 13px; opacity: .78; }
@media (max-width: 768px) { .service-highlight { flex-direction: column; text-align: center; gap: 22px; } .service-highlight .sh-text { text-align: center; } }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--primary), #ff8f3c);
  border-radius: 22px; padding: 54px 56px; color: #fff; text-align: center;
  position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(255,90,31,.35);
}
.cta-band::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.12); top: -120px; left: -80px; }
.cta-band h2 { font-size: 30px; font-weight: 900; margin-bottom: 10px; position: relative; }
.cta-band p { font-size: 16px; opacity: .92; margin-bottom: 28px; position: relative; }
.cta-band .btn { background: #fff; color: var(--primary); position: relative; }
.cta-band .btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.18); }

/* ---------- 表单 ---------- */
.lead-form { display: grid; grid-template-columns: 1fr 1fr 140px; gap: 14px; }
@media (max-width: 700px) { .lead-form { grid-template-columns: 1fr; } }
.lead-form input, .lead-form select, .lead-form textarea {
  padding: 14px 18px; border-radius: 12px; border: 1.5px solid var(--line);
  font-size: 15px; font-family: inherit; outline: none; transition: .2s; background: #fff; color: var(--text);
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(255,90,31,.12); }
.form-note { font-size: 12.5px; color: var(--text-light); margin-top: 10px; }

/* ---------- 页面顶部横幅 ---------- */
.page-hero {
  background: linear-gradient(160deg, #0e1526 0%, #1a2440 100%);
  color: #fff; padding: 64px 0 70px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
}
.page-hero h1 { font-size: 34px; font-weight: 900; position: relative; z-index: 2; }
.page-hero h1 em { font-style: normal; color: #ff8f3c; }
.page-hero p { margin-top: 12px; color: rgba(255,255,255,.75); font-size: 16px; max-width: 720px; position: relative; z-index: 2; }
.crumb { position: relative; z-index: 2; font-size: 13px; color: rgba(255,255,255,.55); margin-bottom: 16px; }
.crumb a:hover { color: #ff8f3c; }

/* ---------- 解决方案 ---------- */
.sol-block { padding: 70px 0; }
.sol-block.alt { background: var(--bg-soft); }
.sol-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .sol-flex { grid-template-columns: 1fr; } }
.sol-flex h2 { font-size: 28px; font-weight: 900; color: var(--dark); margin-bottom: 8px; }
.sol-flex h2 em { font-style: normal; color: var(--primary); }
.sol-flex .desc { color: var(--text-light); margin-bottom: 24px; font-size: 15.5px; }
.sol-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.sol-list li:last-child { border-bottom: none; }
.sol-list .ic { flex: 0 0 24px; height: 24px; border-radius: 7px; background: #fff2ec; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.sol-list b { color: var(--dark); }
.flow-steps { display: flex; flex-wrap: wrap; gap: 0; margin-top: 26px; counter-reset: fs; }
.flow-step { flex: 1 1 120px; text-align: center; position: relative; padding: 0 8px; }
.flow-step .n { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #ff8f3c); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; }
.flow-step .t { font-size: 13.5px; font-weight: 700; color: var(--dark); }
.flow-step:not(:last-child)::after { content: "›"; position: absolute; right: -7px; top: 8px; font-size: 22px; color: #cbd2e0; }

/* ---------- 产品页 ---------- */
.prod-block { padding: 66px 0; }
.prod-block.alt { background: var(--bg-soft); }
.prod-tag { display: inline-block; font-size: 13px; font-weight: 800; color: var(--primary); background: #fff2ec; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }
.prod-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
@media (max-width: 900px) { .prod-flex { grid-template-columns: 1fr; } }
.prod-flex h2 { font-size: 27px; font-weight: 900; color: var(--dark); margin-bottom: 14px; }
.prod-flex .desc { color: var(--text-light); font-size: 15px; margin-bottom: 20px; }
.check-list li { padding: 7px 0 7px 30px; position: relative; font-size: 14.5px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 800; }

/* 手机/后台 mock */
.phone-mock { width: 270px; margin: 0 auto; border-radius: 38px; border: 9px solid #0e1526; background: #fff; box-shadow:  var(--shadow-lg); overflow: hidden; }
.phone-head { background: linear-gradient(135deg, var(--primary), #ff8f3c); color: #fff; padding: 26px 20px 18px; }
.phone-head .hi { font-size: 15px; font-weight: 800; }
.phone-head .sub { font-size: 11.5px; opacity: .85; }
.phone-card { background: rgba(255,255,255,.16); border-radius: 10px; padding: 10px 12px; margin-top: 12px; font-size: 11px; }
.phone-card .big { font-size: 19px; font-weight: 900; }
.phone-body { padding: 14px; }
.phone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.phone-grid .gi { background: var(--bg-soft); border-radius: 10px; padding: 10px 4px; text-align: center; font-size: 10.5px; color: var(--text-light); }
.phone-grid .gi b { display: block; font-size: 17px; margin-bottom: 3px; }
.phone-list { margin-top: 12px; }
.phone-list .li { display: flex; justify-content: space-between; align-items: center; background: var(--bg-soft); border-radius: 10px; padding: 9px 12px; margin-bottom: 8px; font-size: 12px; }
.st { font-size: 10.5px; padding: 2px 8px; border-radius: 999px; font-weight: 700; }
.st-ok { background: #e6f9f1; color: #0d9e6c; }
.st-hot { background: #fff2ec; color: var(--primary); }
.st-new { background: #edf2ff; color: #3b62f6; }
.panel-mock { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg); overflow: hidden; }
.panel-top { background: #f5f7fb; border-bottom: 1px solid var(--line); padding: 12px 18px; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-light); }
.panel-body { display: grid; grid-template-columns: 130px 1fr; min-height: 330px; }
.panel-side { border-right: 1px solid var(--line); padding: 14px 0; font-size: 13px; }
.panel-side div { padding: 9px 18px; color: var(--text-light); }
.panel-side div.on { background: #fff2ec; color: var(--primary); font-weight: 700; border-right: 3px solid var(--primary); }
.panel-main { padding: 18px; }
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kpi { background: var(--bg-soft); border-radius: 12px; padding: 14px; }
.kpi .v { font-size: 21px; font-weight: 900; color: var(--dark); }
.kpi .v small { font-size: 12px; color: var(--text-light); font-weight: 500; }
.kpi .l { font-size: 11.5px; color: var(--text-light); }
.kpi.hot .v { color: var(--primary); }
.bar-row { margin-top: 16px; }
.bar-row .bt { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-light); margin-bottom: 5px; }
.bar { height: 9px; border-radius: 999px; background: #edf0f6; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), #ff8f3c); }

/* ---------- 合作模式 ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 950px) { .plan-grid { grid-template-columns: 1fr; } }
.plan-card { background: #fff; border: 1.5px solid var(--line); border-radius: 18px; padding: 38px 30px; box-shadow: var(--shadow); position: relative; display: flex; flex-direction: column; transition: .25s; }
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.plan-card.hot { border-color: var(--primary); box-shadow: 0 18px 50px rgba(255,90,31,.18); }
.plan-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--primary), #ff8f3c); color: #fff; font-size: 12.5px; font-weight: 800; padding: 6px 18px; border-radius: 999px; }
.plan-card h3 { font-size: 22px; font-weight: 900; color: var(--dark); text-align: center; }
.plan-card .for { text-align: center; font-size: 13px; color: var(--text-light); margin: 6px 0 22px; }
.plan-card ul { flex: 1; }
.plan-card li { padding: 8px 0 8px 28px; position: relative; font-size: 14.5px; border-bottom: 1px dashed var(--line); }
.plan-card li:last-child { border-bottom: none; }
.plan-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 800; }
.plan-card .btn { margin-top: 26px; width: 100%; }
.cmp-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14.5px; }
.cmp-table th { background: var(--dark); color: #fff; padding: 15px 18px; text-align: left; font-size: 15px; }
.cmp-table th:first-child { width: 180px; }
.cmp-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); }
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-table tr:nth-child(even) td { background: #fafbfd; }
.cmp-table td:first-child { font-weight: 700; color: var(--dark); }
.cmp-table .y { color: var(--green); font-weight: 700; }
.cmp-table .n { color: #c0392b; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 38px 34px; box-shadow: var(--shadow); }
.contact-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--line); align-items: flex-start; }
.contact-item:last-child { border-bottom: none; }
.contact-item .ic { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px; background: #fff2ec; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.contact-item b { display: block; font-size: 15px; color: var(--dark); margin-bottom: 3px; }
.contact-item span, .contact-item a { font-size: 14.5px; color: var(--text-light); }
.qr-box { text-align: center; background: var(--bg-soft); border-radius: 14px; padding: 20px; margin-top: 16px; }
.qr-box img, .qr-box svg { width: 150px; height: 150px; margin: 0 auto 10px; }
.qr-box p { font-size: 13px; color: var(--text-light); }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: rgba(255,255,255,.72); padding: 64px 0 26px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.footer-links a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.62); transition: .2s; }
.footer-links a:hover { color: #ff8f3c; }
.footer-about p { font-size: 14px; line-height: 1.9; margin-top: 14px; }
.footer-qr { display: flex; gap: 18px; margin-top: 20px; }
.footer-qr .q { text-align: center; font-size: 12px; color: rgba(255,255,255,.55); }
.footer-qr svg, .footer-qr img { width: 96px; height: 96px; background: #fff; border-radius: 10px; padding: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; display: flex; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.45); flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: rgba(255,255,255,.45); text-decoration: none; transition: color .2s; }
.footer-bottom a:hover { color: rgba(255,255,255,.85); }

/* ---------- 浮动咨询 ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 58px; height: 58px; border-radius: 50%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: #fff; font-size: 11px; cursor: pointer;
  box-shadow: 0 10px 26px rgba(14,21,38,.3); border: none; font-family: inherit; transition: .2s;
}
.float-btn:hover { transform: translateY(-3px); }
.float-btn.main { background: linear-gradient(135deg, var(--primary), #ff8f3c); }
.float-btn.wechat { background: #10b95e; }

/* ============================================
   移动端适配增强（≤860px / ≤480px）
   ============================================ */
/* ---------- 汉堡菜单 ---------- */
.nav-toggle {
  display: none; padding: 8px 10px; background: transparent;
  border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
  flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--dark);
  border-radius: 2px; transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-inner { position: relative; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 6px 22px 18px; display: none;
    box-shadow: 0 12px 30px rgba(14,21,38,.08);
  }
  .nav-links.show { display: flex; }
  .nav-links a { padding: 12px 4px !important; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links .nav-cta { text-align: center; margin-top: 12px; }
}

/* ---------- ≤ 480px 小屏适配 ---------- */
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .nav-inner { padding: 0 18px; height: 60px; }
  .nav-links { top: 60px; }

  /* Hero */
  .hero { padding: 46px 0 58px; }
  .hero h1 { font-size: 26px; line-height: 1.32; }
  .hero p.sub { font-size: 14.5px; margin: 16px 0 26px; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .hero-btns .btn { width: 100%; padding: 13px 22px; font-size: 15px; }
  .hero-stats { gap: 22px; margin-top: 30px; }
  .hero-stats .num { font-size: 22px; }
  .hero-stats .lab { font-size: 12px; }
  .hero-mock { padding: 14px; }
  .hero-mock-body { padding: 16px; }
  .mock-row { font-size: 13px; }

  /* Section */
  .section { padding: 56px 0; }
  .sec-head { margin-bottom: 38px; }
  .sec-head h2 { font-size: 22px; }
  .sec-head p { font-size: 14px; }
  .sec-kicker { font-size: 12.5px; letter-spacing: 2px; }

  /* Page hero */
  .page-hero { padding: 50px 0 60px; }
  .page-hero h1 { font-size: 24px; }
  .page-hero p { font-size: 14px; }

  /* Cards */
  .pain-card, .feat-card, .plan-card, .contact-card, .service-card { padding: 24px 20px; }
  .pain-card h3, .feat-card h3, .plan-card h3 { font-size: 16.5px; }
  .pain-card p, .feat-card p, .plan-card li { font-size: 13.5px; }

  /* Hardware */
  .hw-wrap { padding: 32px 22px !important; }
  .hw-card { padding: 24px 20px !important; gap: 18px; }
  .hw-card h3 { font-size: 18px !important; }
  .hw-card .hw-gallery { height: 190px; }
  .hw-card .hw-gallery.single { height: 190px; }

  /* FAQ */
  .faq-item summary { padding: 16px 18px; font-size: 14.5px; }
  .faq-item .faq-body { padding: 0 18px 18px; font-size: 13.5px; }

  /* CTA band */
  .cta-band { padding: 36px 22px !important; }
  .cta-band h2 { font-size: 22px !important; }
  .cta-band p { font-size: 14px !important; }

  /* Footer */
  .footer { padding: 48px 0 22px; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 30px !important; margin-bottom: 30px !important; }
  .footer-bottom { font-size: 12px; }

  /* Service section */
  .service-section { padding: 56px 0 !important; }
  .service-highlight { padding: 26px 22px !important; }
  .service-highlight .sh-text h3 { font-size: 18px !important; }

  /* Flow steps */
  .flow-step .t { font-size: 12.5px; }
  .flow-step .n { width: 34px; height: 34px; font-size: 14px; }

  /* Modal */
  .modal { padding: 28px 22px 24px !important; width: calc(100vw - 32px) !important; }
  .modal h3 { font-size: 19px !important; }
  .modal .qr-box img { width: 130px; height: 130px; }

  /* Float buttons */
  .float-group { right: 14px !important; bottom: 18px !important; }
  .float-btn { width: 50px; height: 50px; font-size: 10.5px; }
  .float-btn.main { width: 54px; height: 54px; font-size: 11px; }
}

/* ---------- ≤ 380px 极限小屏（防溢出） ---------- */
@media (max-width: 380px) {
  .hero h1 { font-size: 23px; }
  .container { padding: 0 14px; }
  .nav-inner { padding: 0 14px; }
}

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(14,21,38,.6); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 20px; padding: 42px 40px; max-width: 480px; width: 100%;
  position: relative; animation: pop .25s ease;
}
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-close { position: absolute; top: 16px; right: 18px; background: none; border: none; font-size: 22px; color: var(--text-light); cursor: pointer; }
.modal h3 { font-size: 23px; font-weight: 900; color: var(--dark); margin-bottom: 6px; }
.modal .msub { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
.modal .lead-form { grid-template-columns: 1fr; }
.btn-block { width: 100%; }
.modal .md-tel { text-decoration: none; font-size: 21px; padding: 16px 20px; }
.modal .md-or { text-align: center; font-size: 13px; color: var(--text-light); margin: 16px 0 8px; }
.modal .qr-box { margin-top: 0; }
.modal .qr-box img { width: 170px; height: 170px; }
.modal .md-note { font-size: 12.5px; color: var(--text-light); text-align: center; margin-top: 14px; }
.toast {
  position: fixed; top: 90px; left: 50%; transform: translateX(-50%);
  background: var(--dark); color: #fff; padding: 14px 28px; border-radius: 12px;
  font-size: 15px; z-index: 300; display: none; box-shadow: var(--shadow-lg);
}
.toast.show { display: block; animation: pop .25s ease; }