/* =========================================================
   虔进企赋 · 企业官网 设计系统
   风格：简约大气 · 深蓝 + 金色点缀 · 专业可信
   ========================================================= */

:root {
  /* 主色 */
  --navy-900: #0d2237;
  --navy-800: #14304a;
  --navy-700: #1f4870;
  --navy-600: #2c5d8f;
  /* 点缀金 */
  --gold-500: #c8a45c;
  --gold-400: #d9bd84;
  --gold-300: #ead4a6;
  /* 中性 */
  --ink: #1a1f26;
  --gray-700: #44505c;
  --gray-500: #6b7785;
  --gray-300: #cfd6dd;
  --gray-100: #eef1f4;
  --gray-50: #f7f9fb;
  --white: #ffffff;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 10px rgba(13, 34, 55, 0.06);
  --shadow-md: 0 10px 30px rgba(13, 34, 55, 0.10);
  --shadow-lg: 0 20px 50px rgba(13, 34, 55, 0.16);

  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy-900);
  letter-spacing: 0.02em;
}

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

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

/* ===================== 顶部导航 ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow 0.3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--navy-900);
  letter-spacing: 0.06em;
}
.brand .logo-mark {
  display: inline-block !important;
  width: 62px !important;
  height: 38px !important;
  line-height: 38px !important;
  text-align: center !important;
  border-radius: 9px !important;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600)) !important;
  color: var(--gold-300) !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  word-break: keep-all !important;
  flex-shrink: 0 !important;
  vertical-align: middle !important;
  box-shadow: var(--shadow-sm);
}
.brand small {
  display: block;
  font-family: "Noto Sans SC", sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.28em;
  color: var(--gray-500);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav-links a {
  position: relative;
  font-size: 16px;
  color: var(--gray-700);
  padding: 6px 0;
  transition: color 0.25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gold-500);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--navy-800); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--navy-800);
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: 999px;
  font-size: 15px !important;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav-cta:hover { background: var(--navy-700); transform: translateY(-1px); }
.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px;
  transition: 0.3s var(--ease);
}

/* ===================== Hero ===================== */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(44, 93, 143, 0.55), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 55%, var(--navy-700) 100%);
  color: var(--white);
  overflow: hidden;
  padding: 120px 0 110px;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(700px 400px at 70% 30%, #000, transparent 75%);
}
.hero .container { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 0.18em;
  color: var(--gold-300);
  border: 1px solid rgba(200,164,92,0.45);
  padding: 6px 16px; border-radius: 999px;
  margin-bottom: 26px;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  max-width: 760px;
  margin-bottom: 22px;
}
.hero h1 .accent { color: var(--gold-400); }
.hero p.lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.28s var(--ease);
}
.btn-primary {
  background: var(--gold-500);
  color: var(--navy-900);
}
.btn-primary:hover { background: var(--gold-400); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(200,164,92,0.35); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.16); }

.hero-stats {
  display: flex; gap: 48px; flex-wrap: wrap;
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stats .stat .num {
  font-family: "Noto Serif SC", serif;
  font-size: 36px; font-weight: 700; color: var(--gold-300);
}
.hero-stats .stat .label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* 品牌口号条 */
.slogan-band {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.slogan-band .slogan-text {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(20px, 2.8vw, 32px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-300);
}
.slogan-band .slogan-text::before { content: "「"; color: var(--gold-400); }
.slogan-band .slogan-text::after  { content: "」"; color: var(--gold-400); }

/* ===================== 通用区块 ===================== */
.section { padding: 96px 0; }
.section.alt { background: var(--gray-50); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow {
  color: var(--gold-500);
  font-size: 14px; letter-spacing: 0.22em; font-weight: 600;
  display: inline-block; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 16px; }
.section-head p { color: var(--gray-500); font-size: 16px; }

/* 业务概览卡片 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-300);
}
.feature-card .icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--gold-300);
  display: grid; place-items: center;
  font-size: 26px; margin-bottom: 22px;
}
.feature-card h3 { font-size: 20px; margin-bottom: 12px; }
.feature-card p { color: var(--gray-500); font-size: 15px; }

/* 服务分类入口 */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.svc-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.svc-item::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: var(--gold-500);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.3s var(--ease);
}
.svc-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.svc-item:hover::before { transform: scaleY(1); }
.svc-item .idx {
  font-family: "Noto Serif SC", serif;
  font-size: 15px; color: var(--gold-500); font-weight: 700; margin-bottom: 10px;
}
.svc-item h3 { font-size: 19px; margin-bottom: 12px; }
.svc-item ul.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.svc-item ul.tags li {
  font-size: 13px; color: var(--gray-700);
  background: var(--gray-100);
  padding: 5px 12px; border-radius: 999px;
}
.svc-item .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; color: var(--navy-700); font-size: 14px; font-weight: 600;
}
.svc-item .more:hover { color: var(--gold-500); }

/* 流程 / 优势 */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.step {
  text-align: center;
  padding: 34px 22px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
}
.step .circle {
  width: 54px; height: 54px; margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--navy-800); color: var(--gold-300);
  display: grid; place-items: center;
  font-family: "Noto Serif SC", serif; font-size: 22px; font-weight: 700;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--gray-500); }

/* 优势列表 */
.adv-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 48px;
}
.adv-item { display: flex; gap: 18px; }
.adv-item .tick {
  flex: 0 0 38px; height: 38px; border-radius: 10px;
  background: var(--gray-100); color: var(--navy-700);
  display: grid; place-items: center; font-size: 18px;
}
.adv-item h4 { font-size: 17px; margin-bottom: 6px; }
.adv-item p { font-size: 14px; color: var(--gray-500); }

/* CTA 横幅 */
.cta-band {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(200,164,92,0.18);
}
.cta-band h2 { color: var(--white); font-size: clamp(24px,3vw,34px); margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,0.8); margin-bottom: 30px; }

/* ===================== 关于我们 ===================== */
.about-hero {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color: var(--white); padding: 110px 0 80px;
}
.about-hero h1 { color: var(--white); font-size: clamp(30px,4vw,46px); margin-bottom: 18px; }
.about-hero p { color: rgba(255,255,255,0.82); max-width: 680px; font-size: 18px; }

.about-cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.about-cols h2 { font-size: 30px; margin-bottom: 18px; }
.about-cols p { color: var(--gray-700); margin-bottom: 16px; }
.about-visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  min-height: 360px;
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  color: var(--gold-300);
}
.about-visual .big-quote {
  font-family: "Noto Serif SC", serif;
  font-size: 30px; text-align: center; max-width: 320px; line-height: 1.6;
  padding: 0 30px;
}
.about-visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.values-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.value-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-md); padding: 30px 26px; text-align: center;
}
.value-card .v-icon { font-size: 30px; margin-bottom: 14px; }
.value-card h4 { font-size: 18px; margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--gray-500); }

/* ===================== 产品服务 ===================== */
.svc-block { padding: 64px 0; border-bottom: 1px solid var(--gray-100); }
.svc-block:last-child { border-bottom: none; }
.svc-block .svc-head { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; }
.svc-block .svc-head .no {
  font-family: "Noto Serif SC", serif; font-size: 30px; font-weight: 700;
  color: var(--gold-500); flex: 0 0 auto;
}
.svc-block .svc-head h2 { font-size: 26px; }
.svc-block .svc-head .sub { color: var(--gray-500); font-size: 14px; }
.svc-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.svc-pill {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 22px 22px;
  transition: all 0.25s var(--ease);
}
.svc-pill:hover { background: var(--white); box-shadow: var(--shadow-sm); border-color: var(--gold-300); }
.svc-pill h4 { font-size: 17px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.svc-pill h4 .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-500); }
.svc-pill p { font-size: 14px; color: var(--gray-500); }

/* ===================== 联系我们 ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-size: 30px; margin-bottom: 18px; }
.contact-info p.desc { color: var(--gray-500); margin-bottom: 30px; }
.info-row { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--gray-100); }
.info-row .ic { flex: 0 0 44px; height: 44px; border-radius: 12px;
  background: var(--navy-800); color: var(--gold-300); display: grid; place-items: center; font-size: 20px; }
.info-row .txt strong { display: block; font-size: 16px; color: var(--navy-900); margin-bottom: 2px; }
.info-row .txt span { color: var(--gray-500); font-size: 15px; }

.form-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 38px 34px; box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card .hint { color: var(--gray-500); font-size: 14px; margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--gray-700); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--ink);
  background: var(--gray-50);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--navy-600); background: var(--white);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--gray-500); margin-top: 10px; }
.form-ok {
  display: none; margin-top: 16px; padding: 12px 16px;
  background: #eaf6ee; color: #1d7a3c; border-radius: var(--radius-sm);
  font-size: 14px; border: 1px solid #bfe3cb;
}
.form-ok.show { display: block; }

.map-placeholder {
  margin-top: 48px;
  height: 280px; border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(20,48,74,0.78), rgba(20,48,74,0.82)),
    repeating-linear-gradient(45deg, #18324a 0 22px, #1c3a56 22px 44px);
  display: grid; place-items: center; color: var(--gold-300);
}
.map-placeholder .m-txt { text-align: center; }
.map-placeholder .m-txt .pin { font-size: 34px; margin-bottom: 8px; }

/* ===================== 页脚 ===================== */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand { color: var(--white); margin-bottom: 16px; }
.footer-brand .brand small { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 14px; max-width: 320px; color: rgba(255,255,255,0.6); }
.footer-col h4 { color: var(--white); font-size: 16px; margin-bottom: 18px; font-family: "Noto Sans SC"; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--gold-300); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; padding-top: 24px;
  font-size: 13px; color: rgba(255,255,255,0.5);
}

/* 返回顶部 */
.to-top {
  position: fixed; right: 26px; bottom: 26px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy-800); color: var(--gold-300);
  display: grid; place-items: center; font-size: 20px;
  box-shadow: var(--shadow-md); cursor: pointer;
  opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s;
  z-index: 90; border: none;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===================== 关注我们（页脚社交区） ===================== */
.footer-social {
  background: var(--navy-900);
  padding: 36px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-social h4 {
  color: var(--gold-300);
  font-size: 15px;
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
}
.social-list {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.social-item .qr-wrap {
  width: 120px; height: 120px;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  padding: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  transition: transform 0.3s var(--ease);
}
.social-item .qr-wrap:hover { transform: scale(1.06); }
.social-item .qr-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.social-item .social-label {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}
.social-item .social-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}
.social-item .social-link-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff; font-size: 14px; font-weight: 600;
  border-radius: 24px;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(200,164,92,0.35);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.social-item .social-link-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(200,164,92,0.5);
}

/* ===================== 二维码点击放大（灯箱） ===================== */
.qr-zoom { cursor: zoom-in; }
.qr-modal {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(10, 20, 32, 0.88);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}
.qr-modal.open { opacity: 1; visibility: visible; }
.qr-modal img {
  max-width: 90vw; max-height: 90vh;
  width: auto; height: auto;
  background: #fff; padding: 18px; border-radius: 14px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.55);
}
.qr-modal-close {
  position: absolute; top: 22px; right: 30px;
  color: #fff; font-size: 42px; line-height: 1;
  cursor: pointer; user-select: none;
  transition: transform 0.2s var(--ease);
}
.qr-modal-close:hover { transform: scale(1.18); }

/* ===================== 招商加盟 ===================== */
.join {
  background: linear-gradient(135deg, var(--navy-900), #0e2238);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.join::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 82% -10%, rgba(200,164,92,0.20), transparent 55%);
  pointer-events: none;
}
.join .container { position: relative; z-index: 1; }
.join-head { text-align: center; max-width: 780px; margin: 0 auto 46px; }
.join-head .eyebrow { color: var(--gold-300); }
.join-head h2 { color: #fff; }
.join-head .lead { color: rgba(255,255,255,0.78); font-size: 17px; margin-top: 14px; line-height: 1.8; }
.join-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.join-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.join-card:hover { transform: translateY(-6px); border-color: var(--gold-500); background: rgba(255,255,255,0.08); }
.join-ic {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff; display: grid; place-items: center;
  font-size: 22px; font-weight: 700; margin-bottom: 16px;
}
.join-card h3 { font-size: 19px; color: #fff; margin-bottom: 8px; }
.join-card p { font-size: 14.5px; color: rgba(255,255,255,0.72); line-height: 1.75; }
.join-who {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  margin: 38px 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
}
.join-who-col h4 { color: var(--gold-300); font-size: 17px; margin-bottom: 14px; }
.join-who-col ul { list-style: none; }
.join-who-col li {
  position: relative; padding-left: 24px; margin-bottom: 10px;
  color: rgba(255,255,255,0.82); font-size: 15px; line-height: 1.7;
}
.join-who-col li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-400); font-weight: 700; }
.join-flow { display: flex; align-items: stretch; justify-content: center; gap: 18px; margin: 6px 0 34px; flex-wrap: wrap; }
.flow-node { flex: 1 1 280px; max-width: 360px; border-radius: var(--radius-lg); padding: 24px; text-align: center; }
.flow-node.brand {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  color: var(--gold-300);
  border: 2px solid var(--gold-500);
  box-shadow: 0 8px 28px rgba(200,164,92,0.35);
}
.flow-node.brand strong {
  font-size: 24px;
  color: var(--gold-300);
  text-shadow: 0 2px 8px rgba(200,164,92,0.5);
  letter-spacing: 0.06em;
}
.flow-node.brand small {
  color: rgba(255,255,255,0.9);
  font-weight: 600;
}
.flow-node.store {
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(200,164,92,0.5);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.flow-node.store strong { color: var(--gold-300); }
.flow-node.store small { color: rgba(255,255,255,0.9); }
.flow-node strong { font-size: 22px; display: block; margin-bottom: 10px; }
.flow-node small {
  font-size: 15.5px;
  opacity: 0.95;
  line-height: 1.8;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.flow-node.brand small {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.flow-arrow { align-self: center; font-size: 34px; color: var(--gold-300); }
.join-cta { text-align: center; }
.btn-lg { padding: 16px 42px; font-size: 17px; }
.join-cta-note { display: block; margin-top: 14px; color: rgba(255,255,255,0.6); font-size: 14px; }
.nav-links a.active { color: var(--gold-600); font-weight: 600; }

/* ---- 招商核心卖点高亮（异地合作+分润） ---- */
.join-highlight {
  margin: 40px 0 10px;
  background: linear-gradient(135deg, rgba(200,164,92,0.18), rgba(200,164,92,0.08));
  border: 2px solid var(--gold-500);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  position: relative;
  overflow: hidden;
}
.join-highlight::before {
  content: "";
  position: absolute; top: -1px; left: -1px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(200,164,92,0.35), transparent 70%);
}
.join-highlight .jh-title {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(20px, 2.5vw, 26px);
  color: var(--gold-300);
  font-weight: 700;
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.join-highlight .jh-title::before {
  content: "💡"; font-size: 24px;
}
.join-highlight .jh-body {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  line-height: 2;
}
.join-highlight .jh-body strong {
  color: var(--gold-300);
  font-weight: 700;
  font-size: 17px;
}
.join-highlight .jh-body ul {
  list-style: none; margin-top: 14px;
}
.join-highlight .jh-body li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 15.5px;
  color: rgba(255,255,255,0.88);
  line-height: 1.85;
}
.join-highlight .jh-body li::before {
  content: "▸";
  position: absolute; left: 4px;
  color: var(--gold-400);
  font-weight: 700; font-size: 16px;
}

/* ===================== 招商页专属 ===================== */
.join-hero {
  background: linear-gradient(135deg, var(--navy-900), #0e2238);
  color: #fff; position: relative; overflow: hidden;
  padding: 92px 0 78px; text-align: center;
}
.join-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(200,164,92,0.22), transparent 55%);
}
.join-hero .container { position: relative; z-index: 1; max-width: 880px; }
.join-hero .eyebrow { color: var(--gold-300); }
.join-hero h1 { color: #fff; font-size: 40px; margin: 14px 0 18px; line-height: 1.25; }
.join-hero .lead { color: rgba(255,255,255,0.8); font-size: 18px; line-height: 1.85; }
.join-hero .hero-tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }
.join-hero .hero-tags span {
  padding: 8px 18px; border: 1px solid rgba(255,255,255,0.22); border-radius: 24px;
  font-size: 14px; color: rgba(255,255,255,0.85);
}
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 30px 26px; border-top: 3px solid var(--gold-500);
}
.pain-card .p-ic { font-size: 30px; margin-bottom: 12px; }
.pain-card h3 { font-size: 18px; margin-bottom: 8px; }
.pain-card p { color: var(--gray-600); font-size: 14.5px; line-height: 1.75; }
.join-quote {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #2a1d05; border-radius: var(--radius-lg);
  padding: 40px 36px; text-align: center; box-shadow: var(--shadow-md);
}
.join-quote p { font-size: 23px; font-weight: 700; line-height: 1.7; }
.join-quote .q-sub { display: block; margin-top: 14px; font-size: 16px; font-weight: 500; opacity: 0.82; }

/* ===================== 响应式 ===================== */
@media (max-width: 980px) {
  .feature-grid, .svc-grid, .svc-list { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .about-cols, .contact-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .social-list { gap: 32px; }
  .social-item .qr-wrap { width: 100px; height: 100px; }
  .join-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .join-highlight { padding: 28px 24px; }
  .join-highlight .jh-body li { font-size: 14.5px; }
}
@media (max-width: 720px) {
  .nav-links {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--white); padding: 12px 24px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform 0.35s var(--ease);
    border-bottom: 1px solid var(--gray-100);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--gray-100); }
  .nav-cta { width: 100%; text-align: center; margin-top: 14px; }
  .nav-toggle { display: flex; }
  .hero { padding: 90px 0 80px; }
  .hero-stats { gap: 28px; }
  .feature-grid, .svc-grid, .svc-list, .steps, .values-grid { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .social-list { flex-direction: column; align-items: center; gap: 28px; }
  .join-grid { grid-template-columns: 1fr; }
  .join-who { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .join-hero h1 { font-size: 30px; }
  .cta-band { padding: 44px 26px; }
  .svc-block .svc-list { grid-template-columns: 1fr; }
}