/* 智派科技官网样式 v1.0 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --blue: #2563eb;
  --blue-d: #1d4ed8;
  --blue-l: #eff6ff;
  --ink: #1a2233;
  --gray: #4b5563;
  --gray-l: #6b7280;
  --line: #e6eaf2;
  --bg: #f7f9fc;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.hd {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.hd-in { display: flex; align-items: center; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--blue), #3b82f6);
  color: #fff; font-size: 19px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 12px rgba(37,99,235,.3);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-txt b { font-size: 15.5px; letter-spacing: .5px; }
.logo-txt i { font-size: 9.5px; color: var(--gray-l); letter-spacing: 2px; font-style: normal; }
.nav { margin-left: auto; display: flex; gap: 4px; }
.nav a {
  padding: 8px 16px; border-radius: 8px; font-size: 14.5px;
  color: var(--gray); transition: all .18s;
}
.nav a:hover { color: var(--blue); background: var(--blue-l); }
.nav a.on { color: var(--blue); font-weight: 600; background: var(--blue-l); }

/* ===== 首屏 ===== */
.hero {
  padding: 84px 0 80px;
  background:
    radial-gradient(900px 380px at 78% -8%, #e8f0ff 0%, transparent 62%),
    linear-gradient(180deg, #fbfcff 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
/* 首屏右侧：产品预览卡（填补空白 + 强化产品感） */
.hero-visual { position: relative; }
.hv-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 22px 60px rgba(37,99,235,.13); overflow: hidden;
}
.hv-bar {
  height: 38px; background: #10192b; display: flex; align-items: center;
  padding: 0 14px; gap: 7px;
}
.hv-bar i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.hv-bar i:nth-child(1) { background: #ff5f57; }
.hv-bar i:nth-child(2) { background: #febc2e; }
.hv-bar i:nth-child(3) { background: #28c840; }
.hv-bar span { margin-left: 8px; font-size: 11.5px; color: #8b94a7; letter-spacing: .5px; }
.hv-body { padding: 20px; background: #fbfcfe; }
.hv-row { display: flex; align-items: center; gap: 11px; padding: 11px 13px; background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 9px; }
.hv-row:last-child { margin-bottom: 0; }
.hv-av { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex: none; }
.hv-txt { flex: 1; min-width: 0; }
.hv-txt b { display: block; font-size: 12.5px; color: var(--ink); }
.hv-txt small { display: block; font-size: 10.5px; color: var(--gray-l); margin-top: 1px; }
.hv-st { font-size: 10.5px; padding: 3px 9px; border-radius: 99px; flex: none; font-weight: 600; }
.hv-s1 { background: #f0fdf4; color: #16a34a; }
.hv-s2 { background: #eff6ff; color: #2563eb; }
.hv-s3 { background: #fef9c3; color: #a16207; }
.hv-foot { display: flex; justify-content: space-between; padding: 12px 20px 16px; font-size: 11px; color: var(--gray-l); background: #fbfcfe; border-top: 1px solid var(--line); }
.hero-badge {
  display: inline-block; padding: 6px 15px; border-radius: 99px;
  background: var(--blue-l); color: var(--blue);
  font-size: 13px; font-weight: 600; margin-bottom: 22px;
  border: 1px solid #dbeafe;
}
.hero h1 {
  font-size: 46px; line-height: 1.28; letter-spacing: -1px;
  margin-bottom: 20px; font-weight: 800;
}
.hero-sub {
  font-size: 16.5px; color: var(--gray); max-width: 620px;
  margin-bottom: 34px; line-height: 1.9;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 32px; border-radius: 10px;
  font-size: 15px; font-weight: 600; transition: all .2s; cursor: pointer;
  border: 1px solid transparent;
}
.btn-p {
  background: linear-gradient(135deg, var(--blue), #3b82f6);
  color: #fff; box-shadow: 0 6px 20px rgba(37,99,235,.28);
}
.btn-p:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(37,99,235,.36); }
.btn-g { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-g:hover { border-color: #c7d2fe; color: var(--blue); }
.btn-w { background: #fff; color: var(--blue); }
.btn-w:hover { background: #f0f6ff; }

/* ===== 通用区块 ===== */
.sec { padding: 82px 0; }
.sec-alt { background: var(--bg); }
.sec-hd { text-align: center; margin-bottom: 52px; }
.sec-hd h2 { font-size: 31px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 12px; }
.sec-hd p { font-size: 15.5px; color: var(--gray); }

/* ===== 三列卡片 ===== */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 34px 28px; transition: all .24s;
}
.card:hover {
  border-color: #c7d2fe; transform: translateY(-4px);
  box-shadow: 0 14px 38px rgba(37,99,235,.1);
}
.card-ic {
  width: 52px; height: 52px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 25px; margin-bottom: 20px;
}
.ic1 { background: #eef4ff; }
.ic2 { background: #f0fdf4; }
.ic3 { background: #fef6ee; }
.card h3 { font-size: 18.5px; margin-bottom: 11px; font-weight: 700; }
.card p { font-size: 14.5px; color: var(--gray); line-height: 1.9; }

/* ===== 四列亮点 ===== */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feat {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 22px; transition: all .22s;
}
.feat:hover { border-color: #c7d2fe; box-shadow: 0 10px 28px rgba(37,99,235,.08); }
.feat-n {
  font-size: 26px; font-weight: 800; color: #dbeafe;
  margin-bottom: 12px; letter-spacing: -1px;
}
.feat h4 { font-size: 16px; margin-bottom: 9px; font-weight: 700; }
.feat p { font-size: 13.5px; color: var(--gray); line-height: 1.85; }

/* ===== 关于简述 ===== */
.about-brief { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
.about-brief h2 { font-size: 29px; font-weight: 800; margin-bottom: 18px; letter-spacing: -.5px; }
.about-brief p { font-size: 15px; color: var(--gray); margin-bottom: 15px; line-height: 1.95; }
.link { color: var(--blue); font-size: 15px; font-weight: 600; }
.link:hover { text-decoration: underline; }
.brief-box {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 28px;
}
.brief-item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.brief-item:last-child { border-bottom: none; }
.brief-item b { font-size: 14px; color: var(--gray); font-weight: 500; }
.brief-item span { font-size: 14.5px; font-weight: 600; color: var(--ink); }

/* ===== CTA ===== */
.cta {
  padding: 74px 0; text-align: center;
  background: linear-gradient(135deg, var(--blue) 0%, #1e40af 100%);
  color: #fff;
}
.cta h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta p { font-size: 15.5px; opacity: .88; margin-bottom: 28px; }

/* ===== 页脚 ===== */
.ft { background: #10192b; color: #98a3b8; padding: 56px 0 0; }
.ft-in { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; padding-bottom: 44px; }
.ft-logo { font-size: 16.5px; color: #fff; font-weight: 700; margin-bottom: 11px; }
.ft-desc { font-size: 13.5px; line-height: 1.85; }
.ft-col h5 { font-size: 14px; color: #fff; margin-bottom: 15px; font-weight: 600; }
.ft-col a, .ft-col p { display: block; font-size: 13.5px; margin-bottom: 9px; line-height: 1.7; }
.ft-col a:hover { color: #fff; }
.ft-bar { border-top: 1px solid #1e2a40; padding: 20px 0; font-size: 13px; }
.ft-bar .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.beian a { color: #98a3b8; }
.beian a:hover { color: #fff; }

/* ===== 内页通用 ===== */
.page-hd {
  padding: 62px 0 52px; background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hd h1 { font-size: 36px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 10px; }
.page-hd p { font-size: 15.5px; color: var(--gray); }

/* ===== 产品页 ===== */
.prod-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  align-items: center; padding: 62px 0; border-bottom: 1px solid var(--line);
}
.prod-item:last-child { border-bottom: none; }
.prod-item h3 { font-size: 25px; font-weight: 800; margin-bottom: 15px; }
.prod-item p { font-size: 15px; color: var(--gray); line-height: 1.95; margin-bottom: 15px; }
.prod-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.tag {
  padding: 5px 13px; border-radius: 99px; font-size: 12.5px;
  background: var(--blue-l); color: var(--blue); border: 1px solid #dbeafe;
}
.prod-visual {
  background: linear-gradient(135deg, #f4f8ff, #eaf2ff);
  border: 1px solid #dbeafe; border-radius: 18px;
  padding: 44px 30px; text-align: center;
}
.prod-visual .em { font-size: 62px; display: block; margin-bottom: 16px; }
.prod-visual .tt { font-size: 16px; font-weight: 700; color: var(--ink); }
.prod-visual .dd { font-size: 13.5px; color: var(--gray); margin-top: 7px; }

/* ===== 关于页 ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.about-grid h2 { font-size: 24px; font-weight: 800; margin-bottom: 17px; }
.about-grid p { font-size: 15px; color: var(--gray); line-height: 2; margin-bottom: 15px; }
.info-list { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 26px 26px; }
.info-row {
  display: flex; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14.5px;
}
.info-row:last-child { border-bottom: none; }
.info-row b { width: 104px; color: var(--gray); font-weight: 500; flex: none; }
.info-row span { color: var(--ink); }

/* ===== 联系页 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.cbox {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 34px 30px;
}
.cbox h3 { font-size: 19px; font-weight: 700; margin-bottom: 20px; }
.crow { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.crow:last-child { border-bottom: none; }
.crow .ci {
  width: 40px; height: 40px; border-radius: 10px; background: var(--blue-l);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex: none;
}
.crow .cl { font-size: 13px; color: var(--gray); margin-bottom: 3px; }
.crow .cv { font-size: 15px; font-weight: 600; color: var(--ink); }


/* ===== 首屏 chips ===== */
.hero-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.chip {
  padding: 6px 14px; border-radius: 99px; font-size: 12.5px;
  background: #fff; border: 1px solid var(--line); color: var(--gray);
}

/* ===== 价值主张（两列）===== */
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.value-card {
  display: flex; gap: 18px; padding: 26px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  transition: all .22s;
}
.value-card:hover { border-color: #c7d2fe; box-shadow: 0 12px 32px rgba(37,99,235,.08); }
.value-ic {
  width: 56px; height: 56px; border-radius: 14px; flex: none;
  background: #f4f8ff; display: flex; align-items: center; justify-content: center;
  font-size: 26px;
}
.value-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 10px; }
.vp-old {
  font-size: 13px; color: #98a0ae; line-height: 1.85; margin-bottom: 8px;
  padding-left: 15px; position: relative;
}
.vp-old::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: #d8dde6;
}
.vp-new {
  font-size: 13.5px; color: #1d4ed8; line-height: 1.85; font-weight: 500;
  padding-left: 15px; position: relative;
}
.vp-new::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: #2563eb;
}

/* ===== 团队流程 ===== */
.team-flow {
  display: flex; align-items: stretch; justify-content: center;
  flex-wrap: wrap; gap: 12px;
}
.tf-item {
  flex: 1; min-width: 170px; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 16px; transition: all .22s;
}
.tf-item:hover { border-color: #c7d2fe; transform: translateY(-3px); box-shadow: 0 12px 30px rgba(37,99,235,.09); }
.tf-av { font-size: 36px; margin-bottom: 12px; }
.tf-role { font-size: 16px; font-weight: 700; margin-bottom: 9px; }
.tf-job { font-size: 12.5px; color: var(--gray); line-height: 1.8; }
.tf-arrow { align-self: center; color: #c7d2fe; font-size: 24px; font-weight: 700; }
.team-note { text-align: center; font-size: 13px; color: var(--gray-l); margin-top: 20px; }

/* ===== 适用场景 ===== */
.aud-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 24px; border-top: 3px solid #3b82f6; transition: all .22s;
}
.aud-card:hover { box-shadow: 0 12px 30px rgba(37,99,235,.09); transform: translateY(-3px); }
.aud-ic { font-size: 30px; margin-bottom: 14px; }
.aud-who { font-size: 16px; font-weight: 700; margin-bottom: 11px; }
.aud-card p { font-size: 13.5px; color: var(--gray); line-height: 1.9; }

/* ===== 产品组成表 ===== */
.prod-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
.prod-table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
.prod-table thead th {
  background: #f7f9fc; color: var(--ink); font-weight: 700;
  padding: 15px 20px; text-align: left; font-size: 13.5px;
  border-bottom: 1px solid var(--line);
}
.prod-table td {
  padding: 16px 20px; border-bottom: 1px solid #f0f2f6;
  color: var(--gray); line-height: 1.85; vertical-align: top;
}
.prod-table tbody tr:last-child td { border-bottom: none; }
.prod-table tbody tr:hover { background: #fafbfe; }
.prod-table td b { color: var(--ink); font-size: 14px; }

@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; }
  .team-flow { flex-direction: column; }
  .tf-arrow { transform: rotate(90deg); }
}


/* ===== 产品界面展示 ===== */
.shot-main {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; box-shadow: 0 18px 50px rgba(37,99,235,.11);
  margin-bottom: 22px;
}
.shot-main img { width: 100%; display: block; }
.shot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.shot-item {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; transition: all .24s;
}
.shot-item:hover { border-color: #c7d2fe; transform: translateY(-4px); box-shadow: 0 16px 40px rgba(37,99,235,.12); }
.shot-item img { width: 100%; display: block; }
.shot-cap { padding: 16px 20px 18px; }
.shot-cap b { display: block; font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.shot-cap span { display: block; font-size: 13px; color: var(--gray); line-height: 1.8; }

@media (max-width: 900px) {
  .shot-grid { grid-template-columns: 1fr; }
}


/* 截图可点击放大 */
.zoomable { cursor: zoom-in; transition: opacity .2s; }
.zoomable:hover { opacity: .93; }
.shot-item, .shot-main { position: relative; }
.shot-item::after {
  content: '🔍 点击放大'; position: absolute; top: 12px; right: 12px;
  background: rgba(16,25,43,.72); color: #fff; font-size: 11px;
  padding: 4px 11px; border-radius: 99px; opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.shot-item:hover::after { opacity: 1; }
.shot-main::after {
  content: '🔍 点击放大'; position: absolute; top: 14px; right: 14px;
  background: rgba(16,25,43,.72); color: #fff; font-size: 11.5px;
  padding: 5px 13px; border-radius: 99px; opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.shot-main:hover::after { opacity: 1; }


/* ===== Logo ===== */
.logo-img { height: 38px; width: auto; display: block; }
@media (max-width: 560px) { .logo-img { height: 32px; } }

/* ===== SVG 图标居中 ===== */
.value-ic svg, .aud-ic svg, .tf-av svg, .hv-av svg { display: block; }
.value-ic, .aud-ic, .tf-av, .hv-av { display: flex; align-items: center; justify-content: center; }
.aud-ic { width: 56px; height: 56px; border-radius: 14px; background: #f4f8ff; margin-bottom: 16px; }
.tf-av { width: 64px; height: 64px; border-radius: 18px; background: #f4f8ff; margin: 0 auto 14px; }


/* 产品页配图卡（插画） */
.prod-visual-img {
  padding: 0; overflow: hidden; background: #fff;
  border: 1px solid #dbeafe; border-radius: 18px;
  box-shadow: 0 14px 40px rgba(37,99,235,.1);
}
.prod-visual-img img {
  width: 100%; height: 100%; display: block; object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-in { grid-template-columns: 1fr; gap: 36px; }
  .grid3, .grid4 { grid-template-columns: 1fr; }
  .about-brief, .about-grid, .contact-grid, .prod-item { grid-template-columns: 1fr; gap: 30px; }
  .ft-in { grid-template-columns: 1fr; gap: 30px; }
  .hero h1 { font-size: 33px; }
  .sec, .hero { padding: 56px 0; }
  .nav a { padding: 8px 11px; font-size: 13.5px; }
  .page-hd h1 { font-size: 28px; }
}
@media (max-width: 560px) {
  .nav { gap: 0; }
  .nav a { padding: 7px 8px; font-size: 12.5px; }
  .logo-txt i { display: none; }
  .hero h1 { font-size: 27px; }
}