/* 深圳市优一邦科技有限公司 官方网站
   设计基调：深色 + 灯光霓虹渐变（氛围照明行业调性） */

:root {
  --bg: #08080f;
  --bg-soft: #0e0e18;
  --card: #14141f;
  --card-2: #1a1a27;
  --line: rgba(255, 255, 255, .09);
  --txt: #ececf5;
  --txt-2: #9aa0b8;
  --txt-3: #6b7089;
  --p1: #7c3aed;
  --p2: #06b6d4;
  --p3: #f59e0b;
  --grad: linear-gradient(100deg, #7c3aed, #06b6d4 55%, #f59e0b);
  --radius: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .55);
  --max: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* 单页锚点：避开 sticky 导航 */
[id] { scroll-margin-top: 92px; }
.hero.sub-hero { padding: 44px 0 24px; }
.sub-hero::before, .sub-hero::after { display: none; }
.sub-hero h1, .sub-hero .sub-title {
  font-size: clamp(30px, 4.6vw, 48px); font-weight: 800; line-height: 1.22; letter-spacing: -.5px;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部提示条 ---------- */
.notice {
  background: var(--grad);
  color: #fff;
  font-size: 13px;
  text-align: center;
  padding: 7px 16px;
  letter-spacing: .3px;
}

/* ---------- 导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(8, 8, 15, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .5px; }
.logo-mark { width: 78px; height: auto; display: block; }
.footer .logo-mark { width: 60px; }
.logo small { display: block; font-size: 11px; font-weight: 500; color: var(--txt-3); letter-spacing: 2px; }

.menu { display: flex; gap: 30px; }
.menu a {
  font-size: 15px; color: var(--txt-2); position: relative; padding: 6px 0; transition: color .2s;
}
.menu a:hover, .menu a.on { color: #fff; }
.menu a.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--grad); border-radius: 2px;
}
.nav-cta {
  padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: #fff; background: var(--grad); box-shadow: 0 6px 20px rgba(124, 58, 237, .35);
}
.burger { display: none; background: none; border: 0; color: #fff; font-size: 24px; cursor: pointer; }

/* 移动端菜单遮罩 */
.menu-mask {
  display: none; position: fixed; inset: 0; z-index: 55;
  background: rgba(4, 4, 10, .62);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.menu-mask.on { display: block; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; padding: 112px 0 56px; text-align: center; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 1; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8, 8, 15, .62), rgba(8, 8, 15, .86) 55%, var(--bg));
}
.hero::before,
.hero::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; z-index: 0;
}
.hero::before { width: 620px; height: 620px; background: #7c3aed; top: -220px; left: -140px; animation: float 14s ease-in-out infinite; }
.hero::after { width: 560px; height: 560px; background: #06b6d4; bottom: -260px; right: -120px; animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(40px, 30px); } }
.hero .wrap { position: relative; z-index: 2; }

.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 3px; color: var(--txt-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 18px; margin-bottom: 26px;
  background: rgba(255, 255, 255, .03);
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 64px); line-height: 1.2; font-weight: 800; letter-spacing: 1px;
}
.hero h1 .g {
  background: linear-gradient(100deg, #7c3aed, #06b6d4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  max-width: 720px; margin: 26px auto 0; font-size: 17px; color: var(--txt-2);
}
.hero-btns { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 34px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .2s, box-shadow .2s;
}
.btn-p { background: var(--grad); color: #fff; box-shadow: 0 10px 30px rgba(124, 58, 237, .4); }
.btn-o { border: 1px solid var(--line); color: var(--txt); background: rgba(255, 255, 255, .04); }
.btn:hover { transform: translateY(-2px); }

.hero-stats {
  margin-top: 70px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.hero-stats div {
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 14px;
}
.hero-stats b { display: block; font-size: 26px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats .nw { font-style: normal; white-space: nowrap; }
.hero-stats span { font-size: 13px; color: var(--txt-2); }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.alt { background: linear-gradient(180deg, var(--bg), var(--bg-soft), var(--bg)); }
.head { text-align: center; margin-bottom: 56px; }
.head h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: .5px; }
.head h2 .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.head p { margin-top: 14px; color: var(--txt-2); font-size: 16px; max-width: 680px; margin-left: auto; margin-right: auto; }
.head-l p { margin-left: 0; margin-right: auto; }

/* ---------- 造型库 ---------- */
.shape-lib { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.shape-lib div {
  border: 1px solid var(--line); border-radius: 12px; padding: 22px 10px 18px;
  text-align: center; background: rgba(255, 255, 255, .03);
  font-size: 13px; color: var(--txt-3); transition: border-color .2s, transform .2s;
}
.shape-lib div:hover { border-color: rgba(124, 58, 237, .55); transform: translateY(-3px); }
.shape-lib svg { width: 76px; height: 76px; display: block; margin: 0 auto 12px; color: var(--p2); opacity: .9; transition: color .2s, transform .2s; }
.shape-lib div:hover svg { color: #fff; transform: translateY(-2px); }
.shape-lib b { display: block; color: var(--txt); font-size: 15px; margin-bottom: 2px; }
@media (max-width: 900px) { .shape-lib { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .shape-lib { grid-template-columns: repeat(2, 1fr); } }
.kicker { font-size: 13px; letter-spacing: 3px; color: var(--p2); margin-bottom: 12px; }

/* ---------- 产品卡片 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(124, 58, 237, .55); }
.card .thumb {
  height: auto; aspect-ratio: 1 / 1; position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 30% 20%, #2a1d5c, #0b1020 70%);
}
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card .thumb::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60px 60px at 25% 55%, rgba(245, 158, 11, .85), transparent 70%),
    radial-gradient(70px 70px at 55% 40%, rgba(6, 182, 212, .8), transparent 70%),
    radial-gradient(55px 55px at 80% 65%, rgba(124, 58, 237, .9), transparent 70%);
  filter: blur(6px);
}
.thumb.b { background: radial-gradient(120% 90% at 70% 30%, #06394a, #0b1020 70%); }
.thumb.c { background: radial-gradient(120% 90% at 40% 60%, #4a2350, #0b1020 70%); }
.thumb.d { background: radial-gradient(120% 90% at 60% 40%, #123a2e, #0b1020 70%); }
.card .body { padding: 22px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--txt-2); }
.tagrow { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12px; color: var(--txt-2); border: 1px solid var(--line);
  border-radius: 999px; padding: 3px 11px; background: rgba(255, 255, 255, .03);
}
.card .more { display: inline-block; margin-top: 16px; font-size: 14px; color: var(--p2); font-weight: 600; }

/* ---------- 优势列表 ---------- */
.adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adv .item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  transition: transform .25s, border-color .25s;
}
.adv .item:hover { transform: translateY(-5px); border-color: rgba(6, 182, 212, .5); }
.adv .num {
  display: block; width: 26px; height: 3px; border-radius: 2px;
  background: var(--p2); font-size: 0; line-height: 0; margin-bottom: 18px; opacity: .9;
}
.adv h3 { font-size: 19px; margin-bottom: 10px; }
.adv p { font-size: 14.5px; color: var(--txt-2); }
.adv .hl { color: var(--p3); font-weight: 600; }

/* ---------- 场景 ---------- */
.scene { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scene div {
  border-radius: var(--radius); overflow: hidden; text-align: center;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
}
.scene img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: contain; display: block; background: #0b0b14; padding: 14px; }
.scene .cap { padding: 14px 16px 18px; }
.scene b { display: block; font-size: 16px; margin-bottom: 6px; }
.scene span { font-size: 13px; color: var(--txt-2); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 680px; background: var(--card); }
th, td { padding: 14px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line); }
th { background: var(--card-2); color: var(--txt); font-weight: 700; }
td { color: var(--txt-2); }
tr:last-child td { border-bottom: 0; }

/* ---------- 介绍块 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.split .visual {
  height: 340px; border-radius: var(--radius); border: 1px solid var(--line); position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 40% 30%, #2a1d5c, #0b1020 70%);
}
.split .visual::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(90px 90px at 30% 45%, rgba(245, 158, 11, .8), transparent 70%),
    radial-gradient(110px 110px at 65% 55%, rgba(6, 182, 212, .75), transparent 70%),
    radial-gradient(80px 80px at 80% 25%, rgba(124, 58, 237, .85), transparent 70%);
  filter: blur(8px);
}
.split .visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.split .visual.has-img::after { display: none; }
.split h3 { font-size: 26px; margin-bottom: 16px; }
.split p { color: var(--txt-2); margin-bottom: 14px; }
.check li { padding-left: 26px; position: relative; color: var(--txt-2); font-size: 15px; margin-bottom: 8px; }
.check li::before {
  content: "✓"; position: absolute; left: 0; color: var(--p2); font-weight: 800;
}

/* ---------- 时间线 ---------- */
.timeline { border-left: 2px solid var(--line); padding-left: 28px; }
.timeline li { position: relative; margin-bottom: 26px; }
.timeline li::before {
  content: ""; position: absolute; left: -35px; top: 8px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 14px rgba(124, 58, 237, .8);
}
.timeline b { font-size: 15px; color: var(--p2); letter-spacing: 1px; }
.timeline p { color: var(--txt-2); font-size: 15px; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 16px; max-width: 620px; }
.form input, .form textarea, .form select {
  width: 100%; padding: 14px 16px; border-radius: 12px; font-size: 15px; font-family: inherit;
  background: var(--card); border: 1px solid var(--line); color: var(--txt); outline: none;
}
.form input:focus, .form textarea:focus, .form select:focus { border-color: var(--p1); }
.form textarea { min-height: 130px; resize: vertical; }
.form button { border: 0; cursor: pointer; font-family: inherit; }

.info-box {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.info-box h3 { font-size: 18px; margin-bottom: 16px; }
.info-box p { font-size: 15px; color: var(--txt-2); margin-bottom: 10px; }
.info-box b { color: var(--txt); }

/* ---------- CTA ---------- */
.cta-band {
  border: 1px solid var(--line); border-radius: 22px; padding: 56px 32px; text-align: center;
  background: linear-gradient(120deg, rgba(124, 58, 237, .18), rgba(6, 182, 212, .14), rgba(245, 158, 11, .12));
}
.cta-band h2 { font-size: clamp(24px, 3.2vw, 36px); margin-bottom: 14px; }
.cta-band p { color: var(--txt-2); margin-bottom: 28px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 60px 0 28px; margin-top: 40px; }
.f-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 34px; }
.f-grid h4 { font-size: 15px; margin-bottom: 16px; }
.f-grid li { font-size: 14px; color: var(--txt-2); margin-bottom: 9px; }
.f-grid li a { color: var(--p2); text-decoration: none; border-bottom: 1px dashed rgba(124, 58, 237, .45); }
.f-grid li a:hover { color: #fff; border-bottom-color: var(--p2); }
.f-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--txt-3); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .menu { display: none; }
  .menu.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: #0b0b14; padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--line);
  }
  .burger { display: block; }
  .grid-4, .adv { grid-template-columns: repeat(2, 1fr); }
  .scene { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .split, .grid-2 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .f-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-4, .adv { grid-template-columns: 1fr; }
  .scene { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 70px; }
}

/* ---------- 移动端头部 ---------- */
@media (max-width: 640px) {
  .notice { font-size: 11px; letter-spacing: 0; padding: 6px 10px; line-height: 1.5; }
  .hero { padding: 76px 0 42px; }
  .hero-stats { margin-top: 40px; gap: 12px; }
  .hero-stats div { padding: 18px 12px; }
  .hero-stats b { font-size: 19px; line-height: 1.3; }
  .hero-stats span { font-size: 12px; line-height: 1.6; }
  .nav { height: 58px; }
  .logo { font-size: 16px; gap: 8px; }
  .logo-mark { width: 46px; }
  .logo small { font-size: 9px; letter-spacing: 1px; }
  .burger { font-size: 22px; }
}

/* ---------- 联系区二维码 ---------- */
.qr-row {
  display: flex; justify-content: flex-start; align-items: flex-start;
  gap: 10px; margin-top: 32px; flex-wrap: wrap;
}
.qr-item {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 14px 14px 12px; text-align: center; transition: transform .2s, border-color .2s;
}
.qr-item:hover { transform: translateY(-3px); border-color: rgba(124, 58, 237, .5); }
.qr-item img {
  width: 112px; height: 112px; display: block; border-radius: 10px;
  background: #fff; object-fit: cover;
}
.qr-item span { display: block; margin-top: 10px; font-size: 14px; color: var(--txt-2); letter-spacing: .5px; }
@media (max-width: 560px) {
  .qr-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .qr-item { padding: 8px 8px 6px; border-radius: 12px; }
  .qr-item img { width: 100%; height: auto; aspect-ratio: 1 / 1; }
  .qr-item span { font-size: 11px; margin-top: 6px; letter-spacing: 0; }
  .contact-left .c-name { font-size: 20px; }
  .contact-left .c-en { font-size: 12px; }
  .contact-left .c-intro { font-size: 14px; line-height: 1.85; }
  .info-list li { padding: 13px 14px; gap: 12px; }
}

/* ---------- 联系区两栏 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.contact-left .c-name { font-size: 24px; font-weight: 800; letter-spacing: .5px; }
.contact-left .c-en { font-size: 14px; color: var(--txt-3); margin-top: 6px; letter-spacing: .3px; }
.contact-left .c-intro { margin-top: 18px; font-size: 15px; color: var(--txt-2); line-height: 1.95; max-width: 520px; }

.info-list { display: flex; flex-direction: column; gap: 8px; justify-content: flex-start; align-self: center; }
.info-list li {
  display: flex; gap: 18px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 18px; background: rgba(255, 255, 255, .025);
}
.info-list b { flex: 0 0 64px; color: var(--p2); font-size: 13px; letter-spacing: 1px; padding-top: 1px; font-weight: 600; }
.info-list span { font-size: 14px; color: var(--txt-2); line-height: 1.65; }
.info-list a { color: var(--p2); }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-left .c-intro { max-width: none; }
  .info-list b { flex-basis: 56px; font-size: 12px; }
}

/* ---------- 可定制卡片 ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.spec-grid > div {
  border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; background: rgba(255, 255, 255, .025);
  transition: border-color .2s, transform .2s;
}
.spec-grid > div:hover { border-color: rgba(124, 58, 237, .5); transform: translateY(-2px); }
.spec-grid b { display: block; color: var(--p2); font-size: 13px; letter-spacing: 2px; margin-bottom: 8px; font-weight: 600; }
.spec-grid p { font-size: 14px; color: var(--txt-2); line-height: 1.8; }
@media (max-width: 760px) { .spec-grid { grid-template-columns: 1fr; gap: 10px; } }