/* ===== 努能创投官网样式 ===== */
:root {
  --navy: #14161f;
  --navy-2: #1c1f2b;
  --ink: #26272d;
  --gold: #c9a24b;
  --gold-2: #e3c078;
  --paper: #f7f5f0;
  --white: #ffffff;
  --muted: #6f7280;
  --line: #e8e4da;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, 92%); margin: 0 auto; }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(20, 22, 31, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 162, 75, .25);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand-text strong { display: block; color: var(--gold-2); font-size: 18px; letter-spacing: 2px; line-height: 1.2; }
.brand-text small { color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: 3px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: rgba(255,255,255,.85); font-size: 15px; transition: color .2s; }
.nav a:hover { color: var(--gold-2); }
.nav-cta {
  border: 1px solid var(--gold); color: var(--gold-2) !important;
  padding: 8px 20px; border-radius: 999px; transition: all .25s;
}
.nav-cta:hover { background: var(--gold); color: var(--navy) !important; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--gold-2); margin: 5px 0; }

/* ===== 首屏 ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: var(--navy); color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 75% 20%, rgba(201,162,75,.18), transparent 55%),
    radial-gradient(ellipse at 15% 85%, rgba(201,162,75,.10), transparent 50%),
    linear-gradient(160deg, #14161f 30%, #232636 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,162,75,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,162,75,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero-inner { position: relative; text-align: center; padding: 140px 0 100px; }
.hero-logo { width: 96px; margin: 0 auto 24px; filter: drop-shadow(0 4px 20px rgba(201,162,75,.4)); }
.hero-kicker { color: rgba(255,255,255,.6); letter-spacing: 2px; font-size: 15px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(34px, 6vw, 62px); font-weight: 700; letter-spacing: 6px; }
.hero h1 .dot { color: var(--gold); margin: 0 14px; }
.hero-sub { color: rgba(255,255,255,.75); font-size: 17px; margin-top: 20px; letter-spacing: 1px; }
.hero-actions { margin-top: 40px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 14px 36px; border-radius: 999px;
  font-size: 16px; letter-spacing: 2px; transition: all .25s; border: 1px solid transparent;
}
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: var(--navy); font-weight: 600; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(201,162,75,.4); }
.btn-ghost { border-color: rgba(255,255,255,.4); color: var(--white); }
.btn-ghost:hover { border-color: var(--gold-2); color: var(--gold-2); }
.btn-full { width: 100%; border: 0; cursor: pointer; }

.hero-stats {
  margin-top: 70px; display: flex; justify-content: center; gap: clamp(24px, 6vw, 80px); flex-wrap: wrap;
}
.stat strong { display: block; font-size: 40px; color: var(--gold-2); font-weight: 700; }
.stat span { color: rgba(255,255,255,.55); font-size: 14px; letter-spacing: 1px; }

/* ===== 通用板块 ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.eyebrow { color: var(--gold); font-size: 12px; letter-spacing: 4px; font-weight: 600; }
.section-head h2 { font-size: clamp(24px, 4.2vw, 40px); margin: 12px 0; letter-spacing: 3px; white-space: nowrap; }
@media (max-width: 960px) {
  .section-head h2 { white-space: normal; letter-spacing: 1.5px; font-size: clamp(20px, 4.6vw, 28px); }
}
.section-head p { color: var(--muted); }
.section-dark .section-head p { color: rgba(255,255,255,.6); }

/* ===== 关于我们 ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.about-story {
  background: var(--white); border: 1px solid var(--line); border-radius: 20px;
  padding: 44px; display: flex; gap: 32px;
  box-shadow: 0 12px 40px rgba(38,39,45,.06);
}
.story-mark { flex: 0 0 120px; }
.story-mark img { width: 120px; border-radius: 16px; padding: 18px; background: var(--navy); }
.story-text p { margin-bottom: 16px; font-size: 15.5px; }
.story-text em { font-style: normal; color: var(--gold); font-weight: 600; }
.story-note {
  border-left: 3px solid var(--gold); padding-left: 14px;
  color: var(--muted); font-size: 14.5px;
}
.about-cards { display: grid; gap: 18px; }
.value-card {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 28px; transition: all .25s;
}
.value-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(38,39,45,.08); border-color: var(--gold); }
.vc-icon { color: var(--gold); font-size: 18px; }
.value-card h3 { font-size: 18px; margin: 6px 0 4px; letter-spacing: 2px; }
.value-card p { color: var(--muted); font-size: 14.5px; }

.timeline { margin-top: 80px; }
.timeline-title { text-align: center; font-size: 20px; letter-spacing: 3px; margin-bottom: 36px; }
.timeline-track {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
  position: relative;
}
.timeline-track::before {
  content: ""; position: absolute; top: 8px; left: 4%; right: 4%; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--line));
}
.tl-item { position: relative; padding-top: 28px; }
.tl-item::before {
  content: ""; position: absolute; top: 0; left: 0; width: 18px; height: 18px;
  border-radius: 50%; background: var(--gold); border: 4px solid var(--paper);
}
.tl-year { font-weight: 700; color: var(--gold); font-size: 20px; }
.tl-item p { color: var(--muted); font-size: 13.5px; margin-top: 6px; }

/* ===== 核心业务 ===== */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.biz-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 18px;
  padding: 36px 28px; transition: all .3s; position: relative; overflow: hidden;
}
.biz-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(38,39,45,.1); }
.biz-card:hover::before { transform: scaleX(1); }
.biz-icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 22px;
  background: var(--navy); color: var(--gold-2);
  display: flex; align-items: center; justify-content: center;
}
.biz-icon svg { width: 28px; height: 28px; }
.biz-card h3 { font-size: 19px; letter-spacing: 2px; margin-bottom: 10px; }
.biz-card p { color: var(--muted); font-size: 14.5px; }

/* ===== 孵化流程 ===== */
.process-track {
  list-style: none; display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 16px; counter-reset: step;
}
.process-track li {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 18px; text-align: center; transition: all .25s; position: relative;
}
.process-track li:hover { background: var(--navy); color: var(--white); transform: translateY(-4px); }
.process-track li:hover p { color: rgba(255,255,255,.6); }
.p-num { display: block; font-size: 26px; font-weight: 700; color: var(--gold); margin-bottom: 10px; }
.process-track h3 { font-size: 16px; letter-spacing: 1px; margin-bottom: 6px; }
.process-track p { font-size: 12.5px; color: var(--muted); transition: color .25s; }

/* ===== 孵化基地 ===== */
.base-gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.base-item {
  position: relative; border-radius: 18px; overflow: hidden;
  height: 240px; margin: 0;
}
.base-item.base-wide { grid-column: span 2; }
.base-item img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease;
}
.base-item:hover img { transform: scale(1.06); }
.base-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 30px 18px 14px; color: var(--white); font-size: 14px; letter-spacing: 1px;
  background: linear-gradient(transparent, rgba(20,22,31,.78));
}
@media (max-width: 960px) {
  .base-gallery { grid-template-columns: 1fr 1fr; }
  .base-item { height: 190px; }
}
@media (max-width: 560px) {
  .base-gallery { grid-template-columns: 1fr; }
  .base-item.base-wide { grid-column: span 1; }
}

/* ===== 成功案例 ===== */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.case-card {
  border-radius: 18px; overflow: hidden; background: var(--white);
  border: 1px solid var(--line); transition: all .3s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(38,39,45,.12); }
.case-cover { height: 150px; position: relative; }
.case-cover svg { width: 100%; height: 100%; display: block; }
.case-year {
  position: absolute; top: 12px; left: 12px; background: rgba(20,22,31,.72);
  color: var(--gold-2); font-size: 12px; padding: 3px 10px; border-radius: 999px; letter-spacing: 1px;
}
.case-body { padding: 20px 22px 24px; }
.case-tag {
  display: inline-block; font-size: 11px; color: var(--gold);
  border: 1px solid var(--gold); border-radius: 999px; padding: 1px 8px; white-space: nowrap;
}
.case-body h3 { font-size: 17px; letter-spacing: .5px; margin-bottom: 6px; }
.case-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 10px; }
.case-status {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; letter-spacing: 0; padding: 2px 8px; border-radius: 999px; white-space: nowrap;
}
.case-status i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex: none; }
.st-scout { color: #b8860b; background: rgba(201,162,75,.14); border: 1px solid rgba(201,162,75,.4); }
.st-hatch { color: #1d6f42; background: rgba(29,111,66,.1); border: 1px solid rgba(29,111,66,.35); }
.st-coop { color: #2b5ea7; background: rgba(43,94,167,.1); border: 1px solid rgba(43,94,167,.35); }
.case-body p { color: var(--muted); font-size: 13.5px; }

/* ===== 投资领域 ===== */
.field-grid {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 18px;
}
.field-item {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 8px; text-align: center; font-size: 14.5px; letter-spacing: 1px;
  transition: all .25s;
}
.field-item span.field-icon {
  display: flex; width: 52px; height: 52px; margin: 0 auto 12px;
  border-radius: 14px; background: var(--navy); color: var(--gold-2);
  align-items: center; justify-content: center; transition: all .25s;
}
.field-item span.field-icon svg { width: 26px; height: 26px; }
.field-item:hover span.field-icon { background: var(--gold); color: var(--navy); transform: translateY(-2px); }
.field-item:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: 0 12px 28px rgba(38,39,45,.08); }

/* ===== 联系我们 ===== */
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.bp-form {
  background: var(--navy-2); border: 1px solid rgba(201,162,75,.3); border-radius: 20px;
  padding: 40px;
}
.bp-form h3, .contact-info h3 { font-size: 20px; letter-spacing: 2px; margin-bottom: 24px; color: var(--gold-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.bp-form label { display: block; font-size: 14px; color: rgba(255,255,255,.8); margin-bottom: 18px; }
.bp-form input, .bp-form select, .bp-form textarea {
  width: 100%; margin-top: 8px; padding: 12px 14px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; color: var(--white); font-size: 15px; font-family: inherit;
  transition: border-color .2s;
}
.bp-form input:focus, .bp-form select:focus, .bp-form textarea:focus {
  outline: none; border-color: var(--gold);
}
.bp-form select option { color: var(--ink); }
.form-tip { margin-top: 14px; text-align: center; color: rgba(255,255,255,.45); font-size: 13px; }
.contact-info ul { list-style: none; }
.contact-info li {
  padding: 14px 0; border-bottom: 1px dashed rgba(255,255,255,.15);
  font-size: 15px; color: rgba(255,255,255,.85);
}
.contact-info li span {
  display: inline-block; width: 48px; color: var(--gold-2); font-size: 13px; letter-spacing: 2px;
}
.parent-brand {
  margin-top: 28px; padding: 18px 22px; border-radius: 14px;
  background: rgba(201,162,75,.1); border: 1px solid rgba(201,162,75,.3);
  font-size: 14px; color: var(--gold-2); letter-spacing: 1px;
}

/* ===== 页脚 ===== */
.site-footer { background: #0e1017; color: rgba(255,255,255,.6); padding: 56px 0 28px; }
.footer-wrap { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer-brand { display: flex; gap: 16px; align-items: center; }
.footer-brand img { width: 52px; height: 52px; object-fit: contain; }
.footer-brand strong { color: var(--gold-2); font-size: 16px; letter-spacing: 2px; }
.footer-brand p { font-size: 13.5px; margin-top: 4px; }
.footer-nav { display: flex; gap: 26px; font-size: 14px; }
.footer-nav a:hover { color: var(--gold-2); }
.footer-meta {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px;
}
.footer-meta a:hover { color: var(--gold-2); }

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

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .process-track { grid-template-columns: 1fr 1fr 1fr; }
  .field-grid { grid-template-columns: repeat(4, 1fr); }
  .timeline-track { grid-template-columns: 1fr 1fr; }
  .timeline-track::before { display: none; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; background: var(--navy);
    flex-direction: column; padding: 24px 0; gap: 20px;
    transform: translateY(-140%); transition: transform .3s;
  }
  .nav.open { transform: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .biz-grid, .case-grid, .process-track, .field-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-story { flex-direction: column; padding: 28px; }
  .hero-stats { gap: 28px; }
  .stat strong { font-size: 30px; }
}

/* 静态预览模式 */
.static .reveal { opacity: 1; transform: none; }
.static .hero { min-height: 720px; }

/* ===== 青春金句横幅 ===== */
.quote-band {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(201,162,75,.14), transparent 55%),
    var(--navy);
  padding: 72px 0;
  position: relative; overflow: hidden;
}
.quote-band .container { position: relative; text-align: center; }
.quote-cn {
  color: var(--white); font-size: clamp(20px, 3vw, 30px);
  letter-spacing: 4px; font-weight: 600; line-height: 1.8;
}
.quote-deco {
  position: absolute; top: -46px; left: 50%; transform: translateX(-50%);
  font-size: 130px; color: rgba(201,162,75,.16); font-family: Georgia, serif;
  line-height: 1; pointer-events: none; user-select: none;
}
.quote-by {
  margin-top: 16px; color: var(--gold-2); font-size: 15px;
  letter-spacing: 3px;
}
.contact-info li a:hover { color: var(--gold-2); }
.biz-coop {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px dashed rgba(227,192,120,.35);
}
.biz-coop strong { display: block; font-size: 15px; letter-spacing: 3px; margin-bottom: 6px; }
.biz-coop p { margin: 2px 0; font-size: 13.5px; }
.parent-brand > p { font-size: 18px; font-weight: 600; letter-spacing: 2px; }
.biz-coop strong { font-size: 17px; }
.biz-coop p { font-size: 15.5px; margin: 4px 0; }
.coop-list { list-style: none; margin-top: 6px; }
.coop-list li {
  padding: 14px 0; border-bottom: 1px dashed rgba(255,255,255,.15);
  font-size: 15px; color: rgba(255,255,255,.85);
}
.coop-list li span {
  display: inline-block; width: 48px; color: var(--gold-2); font-size: 13px; letter-spacing: 2px;
}
.coop-list li a:hover { color: var(--gold-2); }
.coop-list li.coop-title {
  font-size: 20px; font-weight: 700; color: var(--gold-2);
  letter-spacing: 2px; padding-top: 26px; border-bottom: none;
}