/* ============================================================
   欧足文化发展（广州）有限公司 FUTBAL CULTURES LIMITED
   品牌主色: 珊瑚红 #FF4B44 | 纯白 #FFFFFF | 深灰 #16161A
   ============================================================ */

:root {
  --red: #FF4B44;
  --red-dark: #E03A34;
  --red-light: #FFF1F0;
  --ink: #16161A;
  --ink-2: #2B2B33;
  --gray: #6E6E78;
  --line: #EDEDF0;
  --bg: #FFFFFF;
  --bg-soft: #F7F7F9;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(22, 22, 26, .08);
  --shadow-red: 0 12px 32px rgba(255, 75, 68, .25);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.06); }
.nav {
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  height: 44px; width: auto; display: block;
}
.brand-text { line-height: 1.25; }
.brand-text b { font-size: 15px; letter-spacing: .5px; display: block; }
.brand-text span { font-size: 11px; color: var(--gray); letter-spacing: 2px; }

.nav-links { display: flex; gap: 34px; align-items: center; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--ink-2);
  padding: 6px 2px; position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 3px; border-radius: 2px; background: var(--red);
  transition: width .25s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--red); font-weight: 600; }

.nav-cta {
  background: var(--red); color: #fff !important;
  padding: 9px 20px !important; border-radius: 999px;
  font-weight: 600;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--red-dark); }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 42px; height: 42px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; margin: 5px auto;
  background: var(--ink); transition: .3s;
}
.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); }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--red); font-weight: 700; font-size: 13px;
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--red); border-radius: 2px; }
.section-head.center .eyebrow::after { content: ""; width: 28px; height: 3px; background: var(--red); border-radius: 2px; }
.section-title { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.25; font-weight: 800; }
.section-desc { color: var(--gray); margin-top: 16px; font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--red); color: #fff; font-weight: 600;
  padding: 14px 30px; border-radius: 999px; border: 0; cursor: pointer;
  font-size: 15px; transition: .25s; box-shadow: var(--shadow-red);
}
.btn:hover { background: var(--red-dark); transform: translateY(-2px); }
.btn.ghost {
  background: transparent; color: var(--ink);
  border: 2px solid var(--ink); box-shadow: none;
}
.btn.ghost:hover { border-color: var(--red); color: var(--red); background: transparent; }
.btn.white { background: #fff; color: var(--red); }

/* ---------- 首页 Hero ---------- */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  position: relative; color: #fff; overflow: hidden;
  padding: 140px 0 80px;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; background: #0E0E12; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,10,14,.55) 8%, rgba(10,10,14,.30) 55%, rgba(255,75,68,.18) 100%);
}
.hero-inner { max-width: 760px; }
.hero-tag {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35); font-size: 13px; letter-spacing: 2px;
  margin-bottom: 26px; backdrop-filter: blur(4px);
}
.hero h1 { font-size: clamp(34px, 5.6vw, 62px); line-height: 1.2; font-weight: 900; }
.hero h1 em { color: var(--red); font-style: normal; text-shadow: 0 0 30px rgba(255,75,68,.6); }
.hero p.sub { margin: 22px 0 36px; font-size: clamp(15px, 1.6vw, 18px); color: rgba(255,255,255,.85); max-width: 600px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; max-width: 860px;
}
.hero-stats .stat b { font-size: clamp(24px, 3vw, 36px); font-weight: 900; color: #fff; }
.hero-stats .stat b i { color: var(--red); font-style: normal; }
.hero-stats .stat span { font-size: 13px; color: rgba(255,255,255,.7); display: block; margin-top: 2px; }

/* ---------- 业务卡片 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.biz-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: .3s; position: relative; overflow: hidden;
}
.biz-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--red), transparent);
  transform: scaleX(0); transform-origin: left; transition: .35s;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.biz-card:hover::before { transform: scaleX(1); }
.biz-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--red-light); color: var(--red);
  display: grid; place-items: center; margin-bottom: 20px;
}
.biz-icon svg { width: 28px; height: 28px; }
.biz-card h3 { font-size: 19px; margin-bottom: 4px; }
.biz-card .en { font-size: 12px; color: var(--red); letter-spacing: 1.5px; font-weight: 700; text-transform: uppercase; }
.biz-card p { color: var(--gray); font-size: 14.5px; margin-top: 12px; }

/* ---------- 关于预览（首页） ---------- */
.about-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-split .img-wrap { position: relative; }
.about-split .img-wrap img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-split .img-wrap::after {
  content: ""; position: absolute; right: -18px; bottom: -18px; z-index: -1;
  width: 60%; height: 60%; border-radius: var(--radius);
  background: repeating-linear-gradient(45deg, var(--red) 0 8px, transparent 8px 16px);
  opacity: .18;
}
.check-list li { display: flex; gap: 12px; margin-top: 16px; font-size: 15.5px; }
.check-list li b { color: var(--ink); }
.check-list .dot {
  flex: 0 0 24px; height: 24px; margin-top: 3px; border-radius: 50%;
  background: var(--red); color: #fff; display: grid; place-items: center;
  font-size: 13px; font-weight: 700;
}

/* ---------- 项目卡片 ---------- */
.proj-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: .3s; display: flex; flex-direction: column;
}
.proj-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.proj-card .thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.proj-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.proj-card:hover .thumb img { transform: scale(1.06); }
.proj-card .tag {
  position: absolute; left: 14px; top: 14px;
  background: var(--red); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 12px; border-radius: 999px; letter-spacing: 1px;
}
.proj-body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.proj-body h3 { font-size: 20px; }
.proj-body .en { font-size: 12px; color: var(--red); letter-spacing: 1.5px; font-weight: 700; text-transform: uppercase; margin: 2px 0 12px; }
.proj-body p { color: var(--gray); font-size: 14.5px; flex: 1; }
.proj-meta {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: 13px;
}
.proj-meta span { color: var(--gray); }
.proj-meta b { color: var(--ink); display: block; }

/* ---------- 品牌产品带 ---------- */
.brand-strip { background: var(--ink); color: #fff; }
.brand-strip .section-title { color: #fff; }
.brand-strip .section-desc { color: rgba(255,255,255,.65); }
.prod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.prod-card { border-radius: var(--radius); overflow: hidden; position: relative; }
.prod-card img { width: 100%; height: 100%; object-fit: cover; }
.prod-card .cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 24px 18px;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  font-weight: 700; font-size: 17px;
}
.prod-card .cap span { display: block; font-weight: 400; font-size: 12.5px; color: rgba(255,255,255,.75); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--red) 0%, #D93630 100%);
  color: #fff; border-radius: 20px; padding: 64px 8%;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 260px; height: 260px; border-radius: 50%;
  border: 40px solid rgba(255,255,255,.12);
}
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; }
.cta-band p { opacity: .9; margin-top: 8px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #101014; color: rgba(255,255,255,.72); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer a { display: block; padding: 5px 0; font-size: 14px; transition: .2s; }
.site-footer a:hover { color: var(--red); }
.footer-brand p { font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-contact li { padding: 5px 0; font-size: 14px; display: flex; gap: 10px; }
.footer-bottom {
  margin-top: 56px; border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* ---------- 内页页头 ---------- */
.page-hero {
  padding: 170px 0 90px; color: #fff; position: relative; overflow: hidden;
  background: var(--ink);
}
.page-hero img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(10,10,14,.85), rgba(255,75,68,.35));
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 48px); font-weight: 900; }
.page-hero .crumb { font-size: 14px; opacity: .8; margin-top: 12px; }
.page-hero .crumb b { color: var(--red); }

/* ---------- 关于我们页 ---------- */
.phil-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.phil-card {
  padding: 32px 24px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); text-align: center; transition: .3s;
}
.phil-card:hover { border-color: var(--red); transform: translateY(-4px); }
.phil-card .num { font-size: 40px; font-weight: 900; color: var(--red-light); -webkit-text-stroke: 1px var(--red); }
.phil-card h3 { margin: 10px 0 6px; font-size: 18px; }
.phil-card p { font-size: 13.5px; color: var(--gray); }

.team-card { text-align: center; padding: 30px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: .3s; }
.team-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.team-card .avatar {
  width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--red-light); color: var(--red);
  display: grid; place-items: center; font-size: 30px; font-weight: 900;
}
.team-card h3 { font-size: 17px; }
.team-card .role { color: var(--red); font-size: 13px; font-weight: 600; margin: 4px 0 10px; }
.team-card p { font-size: 13.5px; color: var(--gray); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; }
.contact-info .item {
  display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line);
}
.contact-info .item:first-child { padding-top: 0; }
.contact-info .ic {
  flex: 0 0 48px; height: 48px; border-radius: 12px;
  background: var(--red-light); color: var(--red); display: grid; place-items: center;
}
.contact-info b { display: block; font-size: 15.5px; }
.contact-info p { color: var(--gray); font-size: 14px; margin-top: 2px; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 40px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-group label i { color: var(--red); font-style: normal; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; font-size: 14.5px; background: var(--bg-soft); transition: .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--red); background: #fff;
  box-shadow: 0 0 0 4px rgba(255,75,68,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-msg { margin-top: 14px; font-size: 14px; color: var(--red); font-weight: 600; display: none; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .phil-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    gap: 0; padding: 8px 5%; border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px rgba(0,0,0,.08);
    transform: translateY(-130%); transition: transform .35s; z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 6px; border-bottom: 1px solid var(--line); }
  .nav-links a::after { display: none; }
  .nav-cta { text-align: center; margin: 12px 6px; }
  .grid-3, .grid-2, .prod-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .cta-band { flex-direction: column; text-align: center; padding: 48px 8%; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}