/* =========================================================
   时间是钱 · 企业站样式
   主题：金色 + 深色高端商务
   自适应：移动优先，断点 768 / 1024
   ========================================================= */

:root {
  --gold: #d4af5a;
  --gold-light: #f0d896;
  --gold-deep: #b8923f;
  --bg: #0c0c11;
  --bg-2: #131319;
  --bg-3: #1b1b23;
  --line: rgba(212, 175, 90, 0.18);
  --text: #ece8e0;
  --text-dim: #a6a29a;
  --radius: 16px;
  --gold-grad: linear-gradient(135deg, #f0d896 0%, #d4af5a 45%, #b8923f 100%);
  --max: 1180px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* 文字渐变金色 */
.gold-text,
.brand-name,
.hero-title,
.stat-num,
.step-no {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; border-radius: 50px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-gold {
  background: var(--gold-grad); color: #1a1407;
  box-shadow: 0 10px 28px rgba(212, 175, 90, 0.28);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(212, 175, 90, 0.42); }
.btn-ghost { border-color: var(--line); color: var(--gold-light); }
.btn-ghost:hover { background: rgba(212, 175, 90, 0.08); transform: translateY(-2px); }
.btn-block { width: 100%; margin-top: 12px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding: 10px 0;
}
.site-header.scrolled {
  background: rgba(12, 12, 17, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 38px; height: 38px; object-fit: contain; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 1px; }

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 14px; font-size: 15px; color: var(--text-dim); border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--gold-light); }
.nav-cta {
  border: 1px solid var(--line); color: var(--gold-light); margin-left: 8px;
}
.nav-cta:hover { background: rgba(212, 175, 90, 0.1); }

/* 汉堡菜单 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--gold-light); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.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); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  background: radial-gradient(120% 100% at 80% 0%, #1a1a24 0%, var(--bg) 60%);
  overflow: hidden;
}
.hero-glow {
  position: absolute; width: 620px; height: 620px; right: -120px; top: -120px;
  background: radial-gradient(circle, rgba(212, 175, 90, 0.22) 0%, transparent 68%);
  filter: blur(10px); pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 40px;
  padding: 120px 20px 80px;
}
.hero-eyebrow { color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.hero-title { font-size: clamp(52px, 9vw, 104px); font-weight: 900; line-height: 1.02; letter-spacing: 2px; }
.hero-title .dot { color: var(--gold); -webkit-text-fill-color: var(--gold); }
.hero-slogan { font-size: clamp(18px, 2.4vw, 26px); font-weight: 600; margin: 18px 0 16px; color: var(--text); }
.hero-desc { color: var(--text-dim); max-width: 540px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual { display: flex; justify-content: center; }
.hero-coin {
  width: min(360px, 80%);
  filter: drop-shadow(0 24px 60px rgba(212, 175, 90, 0.35));
  animation: float 5.5s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--line); border-radius: 14px; display: flex; justify-content: center; }
.scroll-hint span { width: 4px; height: 8px; background: var(--gold); border-radius: 2px; margin-top: 7px; animation: scrolly 1.6s ease-in-out infinite; }
@keyframes scrolly { 0% { opacity: 0; transform: translateY(-4px); } 50% { opacity: 1; } 100% { opacity: 0; transform: translateY(10px); } }

/* ===== 数据指标 ===== */
.stats { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 48px 20px; text-align: center; }
.stat-num { font-size: clamp(34px, 5vw, 52px); font-weight: 900; }
.stat-label { color: var(--text-dim); font-size: 14px; margin-top: 4px; }

/* ===== 通用 section ===== */
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.kicker { color: var(--gold); font-size: 13px; letter-spacing: 3px; font-weight: 700; margin-bottom: 12px; }
.section-title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; line-height: 1.25; }

/* ===== 关于 ===== */
.about-inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.about-media { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.about-text .section-title { margin-bottom: 20px; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.about-points { margin-top: 22px; display: grid; gap: 12px; }
.about-points li { position: relative; padding-left: 28px; color: var(--text); }
.about-points li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 800; }

/* ===== 卡片 ===== */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-6px); border-color: rgba(212, 175, 90, 0.45); box-shadow: var(--shadow); }
.card-feature { background: linear-gradient(180deg, rgba(212,175,90,0.1), var(--bg-2)); border-color: rgba(212,175,90,0.4); }
.card-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; color: #1a1407; background: var(--gold-grad); margin-bottom: 20px;
}
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card > p { color: var(--text-dim); margin-bottom: 18px; }
.card ul { display: grid; gap: 8px; }
.card ul li { position: relative; padding-left: 18px; color: var(--text-dim); font-size: 14px; }
.card ul li::before { content: "•"; position: absolute; left: 0; color: var(--gold); }

/* ===== 流程步骤 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; position: relative; }
.step-no { font-size: 40px; font-weight: 900; margin-bottom: 10px; }
.step h4 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14px; }

/* ===== 优势 ===== */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-item { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; transition: border-color .3s ease, transform .3s ease; }
.adv-item:hover { border-color: rgba(212, 175, 90, 0.45); transform: translateY(-4px); }
.adv-item h3 { font-size: 19px; margin-bottom: 10px; color: var(--gold-light); }
.adv-item p { color: var(--text-dim); font-size: 14px; }

/* ===== 联系 ===== */
.contact { background: var(--bg-2); border-top: 1px solid var(--line); }
.contact-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.contact-text > p { color: var(--text-dim); margin-bottom: 22px; }
.contact-list { display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 14px; align-items: baseline; color: var(--text); }
.contact-list li span { color: var(--gold); min-width: 48px; font-size: 14px; font-weight: 600; }
.contact-card { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.contact-card h3 { font-size: 22px; margin-bottom: 8px; }
.contact-card > p { color: var(--text-dim); margin-bottom: 18px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 40px 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; }
.footer-brand strong { display: block; font-size: 18px; }
.footer-brand span { color: var(--text-dim); font-size: 13px; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { color: var(--text-dim); font-size: 14px; transition: color .2s ease; }
.footer-nav a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bottom span { color: var(--text-dim); font-size: 13px; }
.beian { color: var(--text-dim); font-size: 13px; transition: color .2s ease; }
.beian:hover { color: var(--gold-light); }

/* ===== 滚动入场动画 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* =========================================================
   响应式断点
   ========================================================= */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr; }
  .steps, .adv-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* 移动端导航：抽屉式 */
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 76%; max-width: 320px; height: 100vh; height: 100svh;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--bg-2); border-left: 1px solid var(--line);
    padding: 90px 22px 30px; transition: right .35s ease; box-shadow: -20px 0 50px rgba(0,0,0,.5);
  }
  .nav-menu.open { right: 0; }
  .nav-link { padding: 14px 12px; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .nav-cta { margin: 12px 0 0; text-align: center; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 110px 20px 70px; gap: 30px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-coin { width: 200px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; padding: 40px 20px; }

  .section { padding: 70px 0; }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-media { order: 2; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .steps, .adv-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; text-align: left; }
}

/* 降低动效偏好 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}