/* =========================================================
   长沙虹韵科技有限公司 — 企业站样式
   设计语言：深邃藏青 + 科技蓝渐变 + 香槟金点缀
   ========================================================= */

:root {
  --navy: #0a1a3c;
  --navy-2: #0d2350;
  --navy-3: #112a5e;
  --blue: #2563eb;
  --blue-light: #38bdf8;
  --gold: #d9b65f;
  --gold-light: #f0d693;
  --ink: #1a2236;
  --muted: #66718a;
  --line: #e6eaf2;
  --bg-soft: #f5f7fc;
  --white: #ffffff;
  --shadow-sm: 0 4px 18px rgba(15, 30, 70, .08);
  --shadow-md: 0 18px 50px rgba(15, 30, 70, .14);
  --grad-blue: linear-gradient(135deg, #2563eb 0%, #38bdf8 100%);
  --grad-navy: linear-gradient(135deg, #0a1a3c 0%, #142d63 60%, #1c3a7a 100%);
  --grad-gold: linear-gradient(135deg, #d9b65f 0%, #f0d693 100%);
  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1200px;
  --ease: cubic-bezier(.16, .84, .44, 1);
}

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

/* 双语首屏防闪：仅当判定为中文时，先隐藏内容，待 i18n 就地渲染后显示 */
html[data-lang-loading] body { visibility: hidden; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ===================== 通用区块标题 ===================== */
.section { padding: 110px 0; }
.section.alt { background: var(--bg-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--grad-gold);
  display: inline-block;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.25;
  color: var(--navy);
}
.section-title em { color: var(--blue); font-style: normal; }

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
}

/* ===================== 按钮 ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-blue);
  color: #fff;
  box-shadow: 0 12px 28px rgba(37, 99, 235, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(37, 99, 235, .45); }
.btn-gold {
  background: var(--grad-gold);
  color: #43350a;
  box-shadow: 0 12px 28px rgba(217, 182, 95, .35);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(217, 182, 95, .45); }
.btn-ghost {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .3);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); transform: translateY(-3px); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--blue);
}
.btn-outline:hover { background: var(--blue); color: #fff; transform: translateY(-3px); }

/* ===================== 导航 ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background .4s var(--ease), box-shadow .4s, padding .4s;
  padding: 22px 0;
}
.nav.scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  padding: 14px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  transition: color .4s;
}
.nav.scrolled .brand { color: var(--navy); }
.brand-mark {
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  flex: none;
}
.brand-text b {
  display: block;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
}
.brand-text span {
  font-size: 11px;
  letter-spacing: 3px;
  opacity: .7;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255, 255, 255, .88);
  font-size: 15px;
  font-weight: 600;
  position: relative;
  transition: color .3s;
}
.nav.scrolled .nav-links a { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--grad-gold);
  transition: width .3s var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--gold); }
.nav.scrolled .nav-links a.active { color: var(--blue); }

.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-cta .btn { padding: 11px 24px; font-size: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: #fff;
  transition: .3s;
}
.nav.scrolled .nav-toggle span { background: var(--navy); }

/* 语言切换 */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 50px;
  padding: 3px;
  transition: border-color .4s;
}
.nav.scrolled .lang-switch { border-color: var(--line); }
.lang-switch a {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, .82);
  padding: 5px 13px;
  border-radius: 50px;
  line-height: 1;
  transition: background .3s, color .3s;
}
.nav.scrolled .lang-switch a { color: var(--muted); }
.lang-switch a:hover { color: #fff; }
.nav.scrolled .lang-switch a:hover { color: var(--navy); }
.lang-switch a.active { background: var(--grad-blue); color: #fff; }
.nav.scrolled .lang-switch a.active { color: #fff; }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--grad-navy);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url("../images/hero-bg.jpg") center/cover;
  opacity: .22;
  mix-blend-mode: luminosity;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 30%, rgba(56, 189, 248, .25), transparent 55%),
              radial-gradient(circle at 10% 80%, rgba(217, 182, 95, .14), transparent 50%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  padding-top: 90px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 50px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue-light);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, .25);
}
.hero h1 {
  color: #fff;
  font-size: clamp(36px, 5.5vw, 62px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 .grad {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  color: rgba(255, 255, 255, .8);
  font-size: 18px;
  max-width: 540px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 48px;
  display: flex;
  gap: 38px;
  flex-wrap: wrap;
}
.hero-trust .item b {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-trust .item span { color: rgba(255, 255, 255, .65); font-size: 14px; }

/* Hero 视觉卡片 */
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .35);
}
.hero-card img {
  border-radius: var(--radius);
  width: 100%;
  height: 230px;
  object-fit: cover;
  margin-bottom: 22px;
}
.hero-card .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.hero-card .row:last-child { border-bottom: none; }
.hero-card .row .k { color: rgba(255, 255, 255, .7); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.hero-card .row .v { color: var(--gold-light); font-weight: 700; font-size: 14px; }
.hero-card .check { color: var(--blue-light); }

.float-tag {
  position: absolute;
  background: #fff;
  color: var(--navy);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floaty 4s ease-in-out infinite;
}
.float-tag.t1 { top: -22px; left: -26px; }
.float-tag.t2 { bottom: 30px; right: -30px; animation-delay: 1.5s; }
.float-tag i { color: var(--blue); font-style: normal; font-size: 18px; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.scroll-hint {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, .6);
  font-size: 12px;
  letter-spacing: 2px;
  text-align: center;
}
.scroll-hint .mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(255, 255, 255, .4);
  border-radius: 14px;
  margin: 0 auto 8px;
  position: relative;
}
.scroll-hint .mouse::after {
  content: "";
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 7px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrolldot 1.6s infinite;
}
@keyframes scrolldot {
  0% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ===================== 信任徽标条 ===================== */
.logos {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
.logos .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.logos .label { color: var(--muted); font-size: 14px; font-weight: 600; }
.logos .items { display: flex; gap: 44px; flex-wrap: wrap; align-items: center; }
.logos .items span {
  font-weight: 800;
  font-size: 19px;
  color: #9aa6bd;
  letter-spacing: .5px;
  transition: color .3s;
}
.logos .items span:hover { color: var(--navy); }

/* ===================== 特性 / 优势 ===================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 32px;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.feature:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature .ico {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  color: var(--blue);
  margin-bottom: 24px;
  transition: background .4s, color .4s;
}
.feature:hover .ico { background: var(--grad-blue); color: #fff; }
.feature h3 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.feature p { color: var(--muted); font-size: 15px; }

/* ===================== 产品 / 密钥卡片 ===================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-grid.two { grid-template-columns: repeat(2, 1fr); }
.pcard {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.pcard:hover { transform: translateY(-10px); box-shadow: var(--shadow-md); }
.pcard-media {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.pcard-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.pcard:hover .pcard-media img { transform: scale(1.08); }
.pcard-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 26, 60, .55), transparent 60%);
}
.pcard-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  background: var(--grad-gold);
  color: #43350a;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 50px;
  letter-spacing: .5px;
}
.pcard-tag.blue { background: var(--grad-blue); color: #fff; }
.pcard-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.pcard-cat { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; color: var(--blue); text-transform: uppercase; margin-bottom: 8px; }
.pcard h3 { font-size: 21px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.pcard p { color: var(--muted); font-size: 14.5px; flex: 1; }
.pcard ul { margin: 16px 0 22px; }
.pcard ul li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 26px;
  position: relative;
  margin-bottom: 8px;
}
.pcard ul li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--blue);
  font-weight: 800;
}
.pcard-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.pcard-price { font-size: 14px; color: var(--muted); }
.pcard-price b { font-size: 16px; color: var(--gold); font-weight: 800; }
.pcard-link {
  font-weight: 700;
  font-size: 14px;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .3s;
}
.pcard-link:hover { gap: 12px; }

/* ===================== 数据统计带 ===================== */
.stats {
  background: var(--grad-navy);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(56, 189, 248, .2), transparent 50%);
}
.stats .grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat b {
  display: block;
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat b .grad { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: rgba(255, 255, 255, .7); font-size: 15px; margin-top: 10px; display: block; }

/* ===================== 流程 ===================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 36px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step .num {
  counter-increment: step;
  font-size: 46px;
  font-weight: 800;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 18px;
}
.step .num::before { content: "0" counter(step); }
.step h3 { font-size: 18px; font-weight: 800; color: var(--navy); margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 14px; }

/* ===================== CTA 横幅 ===================== */
.cta-band {
  position: relative;
  background: var(--grad-blue);
  border-radius: var(--radius-lg);
  padding: 70px 60px;
  overflow: hidden;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: 0 30px 60px rgba(37, 99, 235, .35);
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 280px; height: 280px;
  background: rgba(255, 255, 255, .12);
  border-radius: 50%;
}
.cta-band h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; margin-bottom: 10px; position: relative; }
.cta-band p { opacity: .9; font-size: 16px; position: relative; max-width: 560px; }
.cta-band .btn { position: relative; }

/* ===================== 页脚 ===================== */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, .7);
  padding: 80px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer .brand { color: #fff; margin-bottom: 20px; }
.footer-about p { font-size: 14.5px; line-height: 1.9; max-width: 320px; }
.footer h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 22px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14.5px; transition: color .3s, padding .3s; }
.footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14.5px;
}
.footer-contact .ico { color: var(--blue-light); flex: none; margin-top: 3px; }
.footer-contact .pending { color: rgba(255,255,255,.4); font-style: italic; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom a:hover { color: #fff; }

/* ===================== 内页 Banner ===================== */
.page-hero {
  position: relative;
  background: var(--grad-navy);
  padding: 180px 0 90px;
  text-align: center;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .2; mix-blend-mode: luminosity;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(56,189,248,.22), transparent 60%);
}
.page-hero .inner { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 5vw, 52px); font-weight: 800; letter-spacing: 1px; }
.page-hero p { color: rgba(255, 255, 255, .8); margin-top: 16px; font-size: 17px; max-width: 640px; margin-left: auto; margin-right: auto; }
.breadcrumb { margin-top: 24px; color: rgba(255, 255, 255, .6); font-size: 14px; }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb span { margin: 0 8px; }

/* ===================== 关于页 ===================== */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; height: 480px; object-fit: cover; }
.about-media .badge {
  position: absolute;
  bottom: -28px; left: -28px;
  background: var(--grad-blue);
  color: #fff;
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow-md);
}
.about-media .badge b { font-size: 38px; font-weight: 800; display: block; line-height: 1; }
.about-media .badge span { font-size: 14px; opacity: .9; }
.about-text p { color: var(--muted); margin-bottom: 18px; font-size: 16px; }
.value-list { margin-top: 28px; display: grid; gap: 18px; }
.value-list .v { display: flex; gap: 16px; }
.value-list .v .ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--bg-soft);
  display: grid; place-items: center;
  color: var(--blue);
  flex: none;
}
.value-list .v h4 { color: var(--navy); font-size: 16px; margin-bottom: 2px; }
.value-list .v p { font-size: 14px; margin: 0; }

/* 时间线 */
.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--blue), var(--gold));
}
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
}
.tl-item .year { font-weight: 800; color: var(--blue); font-size: 18px; }
.tl-item h4 { color: var(--navy); margin: 4px 0 6px; font-size: 18px; }
.tl-item p { color: var(--muted); font-size: 15px; }

/* ===================== 联系页 ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: stretch;
}
.contact-info {
  background: var(--grad-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 50px 44px;
  position: relative;
  overflow: hidden;
}
.contact-info::after {
  content: ""; position: absolute; right: -50px; bottom: -50px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(56, 189, 248, .15);
}
.contact-info h3 { font-size: 26px; font-weight: 800; margin-bottom: 14px; position: relative; }
.contact-info > p { color: rgba(255, 255, 255, .75); margin-bottom: 36px; position: relative; }
.contact-info .ci-list { position: relative; display: grid; gap: 26px; }
.ci { display: flex; gap: 18px; }
.ci .ico {
  width: 48px; height: 48px; border-radius: 12px; flex: none;
  background: rgba(255, 255, 255, .1);
  display: grid; place-items: center; color: var(--gold-light);
}
.ci .label { font-size: 13px; color: rgba(255, 255, 255, .55); letter-spacing: 1px; }
.ci .val { font-size: 16px; font-weight: 600; }
.ci .val.pending { color: rgba(255, 255, 255, .45); font-style: italic; font-weight: 400; }

.contact-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 24px; color: var(--navy); font-weight: 800; margin-bottom: 8px; }
.contact-form > p { color: var(--muted); margin-bottom: 28px; font-size: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  transition: border-color .3s, box-shadow .3s;
  background: var(--bg-soft);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
  background: #fff;
}
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

.map-wrap {
  margin-top: 70px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  height: 380px;
  background: var(--bg-soft);
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item.open { box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 22px 26px;
  font-weight: 700;
  font-size: 17px;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q .pm {
  width: 28px; height: 28px; flex: none;
  border-radius: 50%;
  background: var(--bg-soft);
  display: grid; place-items: center;
  color: var(--blue);
  transition: transform .3s, background .3s;
  font-size: 18px;
}
.faq-item.open .pm { transform: rotate(45deg); background: var(--grad-blue); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
.faq-a p { padding: 0 26px 24px; color: var(--muted); font-size: 15px; }

/* ===================== 进场动画 ===================== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }

/* ===================== 响应式 ===================== */
@media (max-width: 980px) {
  .section { padding: 80px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { max-width: 460px; }
  .features-grid, .product-grid, .product-grid.two { grid-template-columns: 1fr 1fr; }
  .stats .grid { grid-template-columns: 1fr 1fr; gap: 40px 20px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .about-split, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-band { padding: 48px 36px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.show {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    padding: 20px 24px;
    gap: 18px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.show a { color: var(--ink); }
  .features-grid, .product-grid, .product-grid.two, .steps, .footer-grid { grid-template-columns: 1fr; }
  .stats .grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-trust { gap: 24px; }
  .contact-info, .contact-form { padding: 32px 24px; }
}